CN209417618U - The rotary operating device and household electrical appliance of household electrical appliance - Google Patents

Abstract

The rotary operating device (2, 3, 4) of the household appliance includes an operating part (11) for the user to contact and exert force, and an inwardly recessed bottom is formed on the bottom of the rotary operating device (2, 3, 4). The recess (30a), the inner wall (320) of the recess (30a) is provided with a plurality of card slots (300); the rotary operation device (2, 3, 4) also optionally includes a light-transmitting member ( 40), the light-transmitting member (40) is provided with a plurality of hooks (400) that cooperate with the slots (300) one by one, and the hooks (400) are used to cooperate with the slots (300) ) fit together. The technical solution of the present application can improve the versatility of the rotary operation device.

Description

Rotary operating device for household appliances and household appliances

【Technical field】

The present application relates to the field of household appliances, in particular to a rotary operating device of a household appliance and a household appliance including the rotary operating device, wherein the rotary operating device of the household appliance includes an operating part for the user to touch and exert force on .

【Background technique】

A household appliance such as a gas stove includes a knob, and the knob includes an operating portion. A user touches and applies force to the operating portion to turn the knob, thereby controlling the household appliance such as the gas stove. With the advancement of technology and the improvement of consumers' aesthetic requirements, in addition to non-luminous knobs, there is also a luminous knob that can be luminous when in use.

Regarding the manufacture of knobs, different molds are used for luminous knobs and non-luminous knobs, and the molds cannot be shared. Some knobs are a one-piece construction, while others are assembled from several component parts. At present, for the above-mentioned luminous knob and non-luminous knob, their components cannot be shared.

Unless supported by sufficient evidence, prior art described herein is not an admission that such prior art was known to those of ordinary skill in the art to which this application relates before the filing date of this application.

【Content of invention】

An object of the present application is to provide an improved rotary operating device for a household appliance and a household appliance including the rotary operating device for at least one of the above technical problems.

Another object of the present application is to provide a knob operating device for household appliances, which has common components and can be assembled into a non-illuminated rotary operating device or a luminous rotary operating device.

In order to achieve at least one of the above technical objectives, the present application proposes the following technical solution: a rotary operating device for household appliances, including an operating part for the user to contact and exert force, and a bottom of the rotary operating device is formed Inwardly recessed recess, the inner side wall of the recess is provided with a plurality of card slots; the rotary operation device also optionally includes a light-transmitting member, and the light-transmitting member is provided with the card slots one by one A plurality of hooks are matched, and the hooks are used to engage with the slots.

It can be seen that if the above-mentioned rotary operating device is not equipped with a light-transmitting member, a non-luminous rotating operating device will be formed; if the above-mentioned rotating operating device is equipped with a light-transmitting member, a luminous rotating operating device will be formed. In other words, except for the light-transmitting part, other parts of the rotary operating device of the present application are shared, and the same shared part can be manufactured by the same mold. Therefore, the technical solution of the present application can improve the versatility of the rotary operation device, and improve the versatility of the corresponding mold.

Moreover, when the light-transmitting member is not assembled to form a non-luminous rotary operating device, since a plurality of locking slots are provided on the inner side wall of the recess, the appearance of the rotary operating device in use does not change in any way. When the user takes off the rotary operating device, it is not easy to see the groove, and it is not easy to feel any changes in the rotary operating device. Because, with the bottom of the rotary operating device facing the user, the groove is not visible in the front view of the rotary operating device.

Wherein, the rotary operating device may be an integral structure, or may be assembled from several components.

It should be noted that, for the luminous rotary operating device, the light source can be arranged inside the panel of the household appliance, and the light emitted by the light source is irradiated to the light-transmitting member, and then shines through the light-transmitting member, thereby generating the luminous effect of the rotating operating device. Visual effects. Wherein, the light-transmitting member may be made of polycarbonate (abbreviated as PC). Adding a light diffusing agent to the PC material during manufacture can improve the uniformity of light display.

In a possible implementation manner of the present application, the rotary operation device includes a knob cover and a knob seat, the knob cover includes the operating part; the knob seat includes a bearing plate and a skirt intersecting the bearing plate part, the skirt part surrounds a circle along the edge of the bearing plate; when the knob cover is connected with the knob seat to form the rotary operation device, the bearing plate and the skirt part The bottom of the rotary operation device encloses the concave portion; wherein, the engaging groove is arranged on the inner side wall of the skirt portion and extends into the wall of the skirt portion.

The knob cover and the knob seat in the above technical solution are two common parts, which can be used to manufacture a non-luminous rotary operation device, and can also be used to manufacture a luminous rotary operation device. Directly connect and fix the knob cover and the knob seat to form a non-luminous rotary operation device; if you want to form a luminous rotary operation device, first connect and fix the knob cover and the knob seat, and then assemble the light-transmitting parts at the bottom. Can. It can be seen that the above solution of the present application can improve the versatility of the components of the rotary operation device, that is, the knob cover and the knob seat, and also improve the versatility of the molds corresponding to the knob cover and the knob seat. Wherein, the knob cover can be made of ABS plastic, and the knob seat can be made of nylon-66.

In a possible implementation manner of the present application, the card slot runs through the skirt portion. Therefore, it is convenient to pull out the mold during mold manufacture, and the mold can be separated from the skirt portion from the periphery of the skirt portion, which is more convenient for manufacture.

In a possible implementation manner of the present application, the skirt portion further has a guide surface, and the guide surface is an inclined surface formed by obliquely cutting off a part of the top of the inner side wall of the skirt portion. In this way, when the light-transmitting member is to be installed on the knob seat, each hook is easily deformed elastically and slides into the corresponding slot under the guidance of the guide surface. When the hook engages with the corresponding slot, , at least partially recovering the deformation. Wherein, the guide surface may be a whole circle of surrounding slopes, or may be a section of slopes formed in alignment with the positions of the card slots.

In a possible implementation manner of the present application, the rotary operation device further includes a hollow knob ring, the knob ring includes a connected ring body part and a flange part, and the flange part extends from the ring body part to The center of the ring body part is extended, the flange part is clamped between the knob cover and the knob seat, and the ring body part is sheathed on the outer surface of the bottom of the knob cover. Therefore, more possibilities are provided for the rotary operating device to have different color combinations. For example, the knob cover can be electroplated with Ag, and the knob ring can be made into red or electroplated with Ni, Cr, Cu to obtain a distinctive and unique appearance visual effect. Wherein, the ring body portion and the flange portion can be integrally formed by injection molding.

In a possible implementation manner of the present application, the surface layers of the knob ring and the knob cover are different plating layers. For example, the coating on the surface of the knob cover is Ag coating, and the coating on the surface of the knob ring is Ni coating or Cr coating.

In a possible implementation manner of the present application, the light-transmitting member is disc-shaped and includes two opposite disc surfaces, and the hook is disposed on one of the disc surfaces. There is a large space on the disk for the layout of the hooks, the structure design is simple, and the mold is easy to manufacture. The hook can be integrally formed on the disk surface.

In a possible implementation manner of the present application, the rotary operation device further includes a panel and a light source, the operating part and the light source are respectively located on both sides of the panel, and the light source is used to emit light from the transparent A disk surface of the light element enters and passes through the outer surface of the light-transmitting element. Therefore, light is emitted from the rotary operating device, and the rotary operating device is luminous in the view of the user, so it is called "light-emitting rotary operating device". The operation part is located on the outside of the panel, and the light source is located on the inside of the panel. "Located on the outside of the panel" can be understood as being located on the side of the panel facing the outside, which is usually visible to the user when the household appliance is in use. "Located on the inner side of the panel" can be understood as being located on the side of the panel facing the inside of the household appliance, which is usually not seen by the user when the household appliance is in use.

In a possible implementation manner of the present application, the knob seat includes a shaft receiving portion arranged on the bearing plate and extending perpendicular to the bearing plate. When the rotary operation device is in use, the shaft The rod accommodating portion is used to be sleeved on a shaft to drive the shaft to rotate; the light-transmitting member includes a perforation, and the shape of the perforation matches the outer contour of the shaft accommodating portion. Therefore, the light-transmitting member is passed through the accommodating part of the shaft and engaged with the slot on the knob seat. Wherein, the positioning of the light-transmitting part can also be realized by using the outer contour of the shaft receiving part, so that the positioning of the light-transmitting part can be realized automatically when the light-transmitting part is placed on the shaft receiving part, so that the hook and the slot on the knob seat are aligned one by one. alignment. In one embodiment, the outer contour of the shaft receiving portion is in the shape of a circular segment, and the shape of the perforation matches it.

In a possible implementation manner of the present application, on the surface of the light-transmitting member facing the carrier plate, a light guide surface is formed on the edge of the perforation, and the light guide surface is along the periphery of the perforation. A slope formed by shaving off a portion toward the slope. Therefore, the light emitted by the light source is incident on the light-transmitting member from the disk surface of the light-transmitting member facing away from the carrier plate, and part of the light entering the light-transmitting member reaches the light-guiding surface, and is absorbed by the light-guiding member. After being reflected by the surface, it emits from the outer surface of the light-transmitting member. Therefore, the above technical solution can improve the transmission of light, allowing more light to be emitted from the target position, so as to improve the luminous brightness of the rotary operation device.

In a possible implementation manner of the present application, the operation part is formed by the housing of the knob cover protruding toward the middle, and a concave cavity is formed inside the knob cover corresponding to the operation part; The protruding part is inserted into the concave cavity and cooperates with the concave cavity to transmit torque when the rotary operation device is in use. Certainly, in other implementation manners, the operating part may be a cylinder.

In a possible implementation of the present application, the knob cover is provided with a plastic cylinder, and the knob seat is provided with a through hole corresponding to the cylinder, and the cylinder is used to pass through the corresponding through hole. Welding is performed to fix the knob cover and the knob seat together.

The present application also provides a rotary operating device for a household appliance, the bottom of which is formed with an inwardly recessed recess, wherein the rotary operating device further includes a light-transmitting member, and the recess contains glue, which is used for The light-transmitting member is bonded to the bottom of the rotary operating device. Before the rotary operation device of this technical solution is assembled with the light-transmitting parts, other parts can be shared with the non-luminous rotary operation device, that is, the concave part of the rotary operation device can be directly used as a non-luminous rotary operation before filling with glue device used. Therefore, the above-mentioned technical solution can improve the versatility of the rotary operation device, and improve the versatility of the corresponding mould.

In the rotary operating device of the present application, an inwardly recessed recess is formed at the bottom, and no matter whether the inner wall of the recess is provided with a card slot or the recess is used to accommodate glue, the provision of the recess is for fixing the light-transmitting member. When the light-transmitting member is not assembled, it is used as a non-luminous rotating operation device, and when the light-transmitting member is assembled, it becomes a luminous rotating operating device. Moreover, when the light-transmitting member is not assembled, compared with the existing rotary operating device, the rotary operating device of the present application has no change in its appearance in use. Even if the rotary operating device is removed, the user will not or It is difficult to find any abnormality in the structure of the rotary operating device.

In a possible implementation manner of the present application, the rotary operation device includes a knob cover and a knob seat, and the knob cover includes an operation part for the user to contact and exert force; the knob seat includes a bearing plate and the a skirt portion intersected by the bearing plate, the skirt portion surrounds the edge of the bearing plate in a circumferential direction, and the bearing plate and the skirt portion enclose the recess at the bottom of the rotary operating device .

Finally, the present application provides a household appliance, which includes the rotary operation device described in any one of the above implementation manners. The household appliance may be a cooker, and in one embodiment of the present application, the household appliance is a gas cooker, an electromagnetic cooker, or a combination cooker of electromagnetic and gas. The household appliance can also be a microwave oven, an oven, a coffee machine or a washing machine.

【Description of drawings】

FIG. 1 is an exploded perspective view of a rotary operating device according to the first embodiment of the present application;

FIG. 2 is an assembled perspective view of the rotary operation device according to the first embodiment of the present application;

FIG. 3 is a perspective view of the rotary operating device of the first embodiment of the present application at another viewing angle;

Fig. 4 is an exploded perspective view of a rotary operating device according to a second embodiment of the present application;

Fig. 5 is a perspective view of the assembled rotary operation device according to the second embodiment of the present application;

FIG. 6 is a perspective view of the rotary operating device according to the second embodiment of the present application at another viewing angle;

Fig. 7 is a top view of the rotary operation device according to the second embodiment of the present application;

Fig. 8 is a cross-sectional view of the rotary operating device shown in Fig. 7 along line A-A;

Fig. 9 is a schematic diagram of a household appliance according to an embodiment of the present application;

FIG. 10 is a perspective view of a light-transmitting member according to an embodiment of the present application;

Fig. 11 is a cross-sectional view of the light-transmitting member shown in Fig. 10;

Fig. 12 is an exploded perspective view of a rotary operating device according to a third embodiment of the present application;

FIG. 13 is a cross-sectional view of a rotary operating device according to a fourth embodiment of the present application.

Reference signs:

1-household appliances; 2, 3, 4, 5-rotary operating device; 8-gas valve; 10-knob cover; 11-operating part; 20-knob ring; 21-ring body; 22-flange; 30 -knob seat; 31-loading plate; 32-skirt; 33-shaft accommodation; 34-protrusion; Panel; 61-waterproof structure; 62-light channel; 70-light source; 80-valve stem; 90-glue; 101-cylinder; 110-indicating mark; 111-round hole; 321-guiding surface; 330-accommodating hole; 341-extension; 342-cylinder; 400-hook; 450-light guiding surface;

【Detailed ways】

In order to further understand the purpose, structure, features, and functions of the present application, the following detailed descriptions are provided in conjunction with the embodiments.

First, please refer to Figures 1 to 3, Figure 1 is an exploded perspective view of the rotary operating device of the first embodiment of the present application; Figure 2 is an assembled perspective view of the rotary operating device of the first embodiment of the present application; A perspective view of the rotary operating device of the first embodiment at another viewing angle.

The rotary operating device 2 of a household appliance shown in the first embodiment includes a knob cover 10 , a knob ring 20 and a knob seat 30 . Wherein the knob cover 10 and the knob ring 20 are made of ABS material respectively, and the knob seat 30 is made of nylon-66 material.

The knob cover 10 includes an operating part 11 for the user to contact and apply force. The operating part 11 is formed by the shell of the knob cover 10 protruding toward the middle, and a concave cavity 12 is formed inside the knob cover 10 corresponding to the operating part 11 (shown in Fig. 8). The coating on the surface of the knob cover 10 in this embodiment is Ag. In addition, an indicator mark 110 is formed on the top of the operation part 11 , and the pattern aligned with the indicator mark 110 indicates the current gear or parameter of the household appliance during the rotation of the rotary operating device. In the present embodiment, the indicator marks are formed as follows: during the electroplating process of the knob cover 10, the plating resist solution is coated at the corresponding position on the top of the knob cover 10, and after the surface electroplating of the knob cover 10 is completed, the position of the coating resist solution is Correspondingly, an indicator mark 110 is formed.

The knob ring 20 includes a connected ring body portion 21 and a flange portion 22 . The flange portion 22 is formed by extending from the circumference of the ring body portion 21 toward the center of the ring body portion 21 . After the rotary operation device 2 is assembled, the flange portion 22 is clamped between the knob cover 10 and the knob base 30 . The ring body portion 21 is sleeved on the outer surface of the bottom of the knob cover 10 . The coating on the surface of the knob ring 20 is different from that of the knob cover 10 . In this embodiment, the coating on the surface of the knob ring 20 is Cr.

The knob base 30 includes a bearing plate 31 and a skirt portion 32 intersecting with the bearing plate 31 . The skirt portion 32 circles around the edge of the bearing plate 31 in a circumferential direction.

When the knob cover 10 , the knob ring 20 and the knob seat 30 are connected to form the rotary operation device 2 , the bearing plate 31 and the skirt portion 32 form a recess 30 a at the bottom of the rotary operation device 2 . The inner wall 320 of the skirt portion 32 is provided with a plurality of locking slots 300 , the locking slots 300 extend from the inner side wall 320 into the wall of the skirt portion 20 , and the locking slots 300 pass through the skirt portion 32 .

The knob seat 30 further includes a shaft receiving portion 33 disposed on the bearing plate 31 and extending perpendicular to the bearing plate 31 . A receiving hole 330 is defined on the shaft receiving portion 33 . When the rotary operating device 2 is in use, the shaft receiving portion 33 is sleeved on a shaft through the receiving hole 330 to drive the shaft to rotate.

Two protruding parts 34 are also provided on the supporting plate 31 , and when the knob cover 10 , the knob ring 20 and the knob seat 30 are connected to form the rotary operation device 2 , the protruding parts 34 are inserted into the cavity 12 . When the rotary operating device 2 is in use, the protruding portion 34 cooperates with the cavity 12 to transmit torque.

The knob cover 10 is provided with a plastic cylinder 101 , and the knob base 30 is provided with a through hole 311 corresponding to the cylinder 101 (shown in FIG. 12 ). The cylinder 101 is used to pass through the corresponding through hole after passing through the knob ring 20 After 311, welding is carried out, and then the knob cover 10, the knob ring 20 and the knob seat 30 are fixed together. After the assembled rotary operating device 2 is in use, the user can only see the structure from the appearance of the knob cover 10 and the knob ring 20, and the knob seat 30 is hidden inside. as seen by the user.

The rotary operating device 2 of this embodiment does not include a light-transmitting member, and the rotary operating device does not emit light when in use.

Next, please see the rotary operating device 3 of the second embodiment of the present application. In this embodiment, the same structure as the first embodiment adopts the same symbols, and its functions are the same. Some will not be described in detail. Please refer to the related describe. As shown in Figures 4 to 8, Figure 4 is an exploded perspective view of the rotary operating device of the second embodiment of the present application; Figure 5 is an assembled perspective view of the rotary operating device of the second embodiment of the present application; Figure 6 is an exploded perspective view of the rotary operating device of the second embodiment of the present application; A perspective view of the rotary operating device of the second embodiment at another viewing angle; FIG. 7 is a top view of the rotary operating device of the second embodiment of the present application; FIG. 8 is a cross-sectional view of the rotary operating device shown in FIG. 7 along line A-A.

The rotary operation device 3 of this embodiment includes a knob cover 10 , a knob ring 20 , a knob seat 30 and a light-transmitting member 40 .

The light-transmitting member 40 is made of PC material and is a transparent structural member. The light-transmitting member 40 is provided with a plurality of hooks 400 that cooperate with the slots 300 one by one, and the hooks 400 are used to engage with the slots 300 .

The light-transmitting member 40 in this embodiment is disc-shaped. The light-transmitting member 40 includes two opposite disk surfaces and an outer surface 43 connecting the two disk surfaces. The reference numerals of the two disk surfaces are 41 and 42 respectively. Four hooks 400 are disposed on the disk surface 41 , and in order to engage with the slot 300 , the hook portions of the hooks 400 are disposed outward.

The light-transmitting member 40 includes a perforation 45 (see FIG. 10 ), the shape of the perforation 45 matches the outer contour of the shaft receiving portion 33 . The outer contour of the shaft receiving portion 33 is in the shape of a circular segment, and the shape of the through hole 45 is also in the shape of a circular segment. This shape also plays a positioning role. Once the light-transmitting member 40 is sleeved outside the shaft receiving portion 33, the position of the light-transmitting member is also determined accordingly, so that each hook 400 is aligned with the corresponding slot 300 one by one, as long as Forcefully push the light-transmitting member 40 toward the knob seat 30 , the hook 400 is deformed under the force, and slides into the corresponding slot 30 to engage with it.

In order to facilitate the installation of the light-transmitting member 40 and make it easier for the hook 400 to engage with the slot 300, the skirt portion 32 of the knob seat 30 also has a guide surface 321. Please refer to FIG. The top of the inner side wall 320 is obliquely cut off a portion to form a slope.

The manufacturing process of the rotary operation device 3 of this embodiment is as follows: first provide the above-mentioned knob cover 10, knob ring 20 and knob seat 30; then assemble the knob cover 10, knob ring 20 and knob seat 30 together, the specific process As follows, the plurality of cylinders 101 arranged on the knob cover 10 pass through the knob ring 20, and then pass through the corresponding through holes 311 provided on the knob seat 30 for fusion welding, and then the knob cover 10, the knob ring 20 and the The knob seats 30 are fixed together. This is exactly the same as the manufacturing process of the rotary operating device 2 of the first embodiment. Therefore, the rotary operating device 2 of the present embodiment and the first embodiment have common components, namely the knob cover 10 , the knob ring 20 and the knob seat 30 . Therefore, during manufacture, molds are used to manufacture these three common parts (knob cover 10, knob ring 20 and knob seat 30), which can be used to manufacture the rotary operating device 2 of the first embodiment or the first embodiment. The rotary operation device 3 of the second embodiment. The rotary operation device 2 of the first embodiment can be obtained without the light-transmitting member 40 , and the rotary operation device 3 of the second embodiment can be obtained by assembling the light-transmitting member 40 .

After the knob cover 10, the knob ring 20 and the knob seat 30 are assembled, the light-transmitting member 40 is inserted outside the shaft accommodation portion 33, and force is applied to the light-transmitting member 40 to push it toward the rotating seat 30, so that the card The hook 400 is engaged with the corresponding slot 300 to obtain the rotary operating device 3 of the second embodiment.

Next, let's take a look at the situation of the rotary operating device 3 in the second embodiment in use, as shown in FIG. 9 , which is a schematic diagram of a household appliance according to an embodiment of the present application. The household appliance 1 of this embodiment is a gas stove. Wherein, the sectional view of the rotary operation device 3 shown in FIG. 9 is different from that in FIG. 8 , and it is cut along the line B-B in FIG. 7 . The structures in Fig. 9 that are the same as those in Fig. 4 to Fig. 8 use the same symbols, and their functions are the same, so they will not be repeated here.

The household appliance 1 includes a rotary operating device 3 and a gas valve 8 . The gas valve 8 has a valve stem 80. As mentioned above, the knob seat 30 of the rotary operation device 3 includes a shaft receiving portion 33, and the shaft receiving portion 33 passes through the hole on the panel 60 and is sleeved on the valve stem 80 by means of the receiving hole 330. to drive the valve stem 80 to rotate.

The rotary operation device 3 The rotary operation device further includes a panel 60 and a light source 70 , and the operation part 11 and the light source 70 are respectively located on two sides of the panel 60 . The light emitted by the light source 70 enters from a disk surface 42 of the light-transmitting member 40 and passes through the outer surface 43 of the light-transmitting member 40, as shown in FIG. Pieces glow.

Wherein, the light source 70 is only a schematic, not an actual structure, and the light source 70 may be an LED, which is installed on the valve body of the gas valve 8 . In order to prevent the liquid from penetrating into the gas stove during cooking, the household appliance 1 also includes a hollow columnar waterproof structure 61, which is made of black soft rubber, which not only prevents the liquid that is spilled or dripped on the panel 60 from entering the panel Inside, it also forms a light channel 62 , through which the light emitted by the light source 70 smoothly reaches the disk surface 42 of the light-transmitting member 40 .

As shown in FIGS. 10 and 11 , FIG. 10 is a perspective view of a light-transmitting member according to an embodiment of the present application; FIG. 11 is a cross-sectional view of the light-transmitting member shown in FIG. 10 . In order to improve light transmission and increase the brightness of the light-transmitting member 40 under the same conditions, in one embodiment of the present application, on the surface of the light-transmitting member 40 facing the carrier plate 31, a light-guiding surface is formed on the edge of the perforation 45 450 , that is, the edge of the through hole 45 forms a light guide surface 450 on the disk surface 41 provided with the hook, and the light guide surface 450 is an inclined surface formed by cutting off a part along the edge of the perforation 45 .

The dotted line with arrows in FIG. 11 indicates the light path. The light emitted by the light source enters the light-transmitting member 40 from the disk surface 41 , and a part of the light reaches the light-guiding surface 450 and is reflected by the light-guiding surface 450 , and exits from the outer surface 43 of the light-transmitting member 40 .

Next, please refer to FIG. 12 to see the rotary operating device 4 of the third embodiment of the present application, wherein FIG. 12 is an exploded perspective view of the rotary operating device of the third embodiment of the present application. The structures in this embodiment that are the same as those in the second embodiment use the same symbols, and their functions are the same, which will not be repeated here. Different from the second embodiment, the indicator mark of this embodiment is formed as follows: a round hole 111 is formed on the top of the knob cover 10, and two protrusions 34 are arranged on the bearing plate of the knob seat 30, one of which protrudes The portion 34 has an extension 341 on which a column 342 is disposed. Since the coating on the surface of the knob cover 10 is Ag, and the knob base 30 is made of black nylon-66, when the rotary operation device 4 is assembled, the black cylinder 342 is exposed from the round hole 111 to form an indicator mark.

The above are the three embodiments of the rotary operation device of the present application. Under the inventive concept of the present application, through modification and combination, more embodiments can be derived in the present application. For example, in one embodiment of the present application, the rotary operation device only includes the knob cover 10 and the knob seat 30, the bottom of the knob seat 30 is formed with an inwardly recessed recess 30a, and the inner side wall 320 of the recess 30a is provided with a plurality of cards. Slot 300; the rotary operation device also optionally includes a light-transmitting member 40, on which a plurality of hooks 400 that cooperate with the slots 300 are arranged, and the hooks 400 are used to engage with the slots 300 .

In another embodiment of the present application, the rotary operation device is an integrally formed structure, the bottom of the knob seat 30 is formed with an inwardly recessed recess 30a, and the inner side wall 320 of the recess 30a is provided with a plurality of card slots 300; The operating device also optionally includes a light-transmitting member 40 , on which a plurality of hooks 400 that cooperate with the slots 300 are arranged, and the hooks 400 are used to engage with the slots 300 .

Finally, please refer to FIG. 13 to see the rotary operating device 5 according to the fourth embodiment of the present application, wherein FIG. 13 is a cross-sectional view of the rotary operating device according to the fourth embodiment of the present application. The structures in this embodiment that are the same as those in the preceding embodiments use the same symbols, and their functions are the same, which will not be repeated here. Different from the previous embodiments, the recess 30 a at the bottom of the knob base 30 contains glue 90 , and the glue 90 is used to bond the light-transmitting member 40 to the bottom of the rotary operating device 5 . The glue 90 can be a two-component epoxy glue.

Finally, the present application also provides a household appliance 1, which includes the rotary operation device described in any one of the above embodiments.

The various embodiments of the individual components described in connection with FIGS. 1 to 13 can be combined with each other in any given way to achieve the advantages of the present application.

The present application has been described by the above-mentioned related embodiments, but the above-mentioned embodiments are only examples for implementing the present application. It must be pointed out that the disclosed embodiments do not limit the scope of this application. On the contrary, changes and modifications made without departing from the spirit and scope of the present application all belong to the patent protection scope of the present application.

Claims (15)

1. a kind of rotary operating device of household electrical appliance (1) includes the operation portion (11) for contacting and exerting a force for user, described The bottom of rotary operating device is formed with the recess portion being recessed inwardly (30a), which is characterized in that

Multiple card slots (300) are provided on the inner sidewall (320) of the recess portion (30a)；

The rotary operating device it is also selective include transmission element (40), be provided with and the card on the transmission element (40) Slot (300) multiple grabs (400) matched one by one, the grab (400) with the card slot (300) for fastening.

2. the rotary operating device of household electrical appliance (1) as described in claim 1, which is characterized in that including knob lid (10) and Knob base (30),

The knob lid (10) includes the operation portion (11)；The knob base (30) include loading plate (31) and with the carrying The skirt portion (32) of plate (31) intersection setting, the skirt portion (32) is along the edge of the loading plate (31) circumferentially around one Week；

When the knob lid (10) connect to form the rotary operating device with the knob base (30), the loading plate (31) The recess portion (30a) is surrounded in the bottom of the rotary operating device with the skirt portion (32)；Card slot (300) setting exists Extend in wall body on the inner sidewall (320) of the skirt portion (32) and toward the skirt portion (32).

3. the rotary operating device of household electrical appliance (1) as claimed in claim 2, which is characterized in that the card slot (300) is run through The skirt portion (32).

4. the rotary operating device of household electrical appliance (1) as claimed in claim 2, which is characterized in that the skirt portion (32) is also With guide surface (321), the guide surface (321) is cut to be inclined by the top of the inner sidewall (320) by the skirt portion (32) The inclined-plane for going a part and being formed.

5. the rotary operating device of the household electrical appliance (1) as described in any one of claim 2-4, which is characterized in that further include Hollow knob ring (20), the knob ring (20) include connected ring body portion (21) and flange part (22), the flange part (22) extended by the center that the ring body portion (21) week yearns for the ring body portion (21), the flange part (22) is clamped in institute It states between knob lid (10) and the knob base (30), the ring body portion (21) is set in the outer of the bottom of the knob lid (10) On surface.

6. the rotary operating device of household electrical appliance (1) as claimed in claim 5, which is characterized in that the knob ring (20) with The surface layer of the knob lid (10) is different coating.

7. the rotary operating device of household electrical appliance (1) as described in claim 1, which is characterized in that the transmission element (40) is in Discoid and including two opposite disks (41,42), the grab (400) is set on the disk (41,42).

8. the rotary operating device of household electrical appliance (1) as claimed in claim 7, which is characterized in that further include panel (60) and Light source (70), the operation portion (11) are located at the two sides of the panel (60), the light source (70) with the light source (70) Light for sending enters from a disk (41,42) of the transmission element (40) and the lateral surface from the transmission element (40) (43) it appears.

9. the rotary operating device of the household electrical appliance (1) as described in any one of claim 2-4, which is characterized in that the rotation Button seat (30) includes being set on the loading plate (31) and perpendicular to the shaft receiving portion (33) that the loading plate (31) extend, Under the use state of the rotary operating device, the shaft receiving portion (33) is for being set on a shaft to drive State shaft rotation；The transmission element (40) includes a perforation (45), the shape and the shaft receiving portion of the perforation (45) (33) outer profile matches.

10. the rotary operating device of household electrical appliance (1) as claimed in claim 9, which is characterized in that in the transmission element (40) On face towards the loading plate (31), the edge of the perforation (45) is formed with light guiding surface (450), the light guiding surface (450) The inclined-plane formed to prune a part along the edge peripheral, oblique of the perforation (45).

11. the rotary operating device of household electrical appliance (1) as claimed in claim 2, which is characterized in that the operation portion (11) by The shell of the knob lid (10) is formed to median rise, and the corresponding operation portion (11) is formed inside the knob lid (10) One cavity (12)；The loading plate (31) is equipped with protruding portion (34), under the use state of the rotary operating device, institute It states protruding portion (34) to be inserted into the cavity (12) and match with the cavity (12), to transmit torsion.

12. the rotary operating device of household electrical appliance (1) as claimed in claim 2, which is characterized in that on the knob lid (10) It is provided with the cylinder (101) of plastics, the corresponding cylinder (101) of the knob base (30) offers through-hole (311), the cylinder (101) for carrying out melting welding afterwards passing through corresponding through-hole (311), and then by the knob lid (10) and the knob base (30) It is fixed together.

13. a kind of rotary operating device of household electrical appliance (1), a recess portion (30a) being recessed inwardly is formed on bottom, and feature exists In,

The rotary operating device further includes having transmission element (40), and the recess portion (30a) accommodates viscose (90), the viscose (90) for the bottom of the rotary operating device will to be bonded on the transmission element (40).

14. the rotary operating device of household electrical appliance (1) as claimed in claim 13, which is characterized in that including knob lid (10) With knob base (30), the knob lid (10) includes the operation portion (11) for contacting and exerting a force for user；The knob base (30) include loading plate (31) and intersect the skirt portion (32) of setting with the loading plate (31), the skirt portion (32) is along institute The edge of loading plate (31) is stated circumferentially around one week, the loading plate (31) and the skirt portion (32) fill in the rotation process The bottom set surrounds the recess portion (30a).

15. a kind of household electrical appliance (1), which is characterized in that including the rotation process dress as described in any one of claim 1-14 It sets.