TWI804324B - Nozzle - Google Patents

Abstract

A spray head, the spray head includes a body, the first and second ends of the body have an inlet, A water outlet, the water inlet has a receiving body inside; a bearing inside the receiving body; a shaft, the shaft includes an abutting body that penetrates from the second end of the body and abuts against the water outlet , a protruding rod part connected to one end of the abutting body and passing through the bearing, and a fixing piece for fixing the protruding rod part; A base above the abutting body, an upper seat opposite to the base and against which the fixing member abuts, and a pressure spring sleeved outside the protruding rod part and fixed between the base and the upper seat; through the bearing The abrasion between the shaft rod and the main body due to the impact pressure of the liquid can be reduced, thereby improving the service life of the spray head.

Description

Nozzle

The invention provides a spray head, especially a spray head with increased service life.

Please refer to FIG. 1 and FIG. 2 for the existing spray head 1 , especially the spray head 1 used under the impact pressure of the liquid. The spray head 1 includes a body 11 , a shaft 12 , and an elastic component 13 . A locking protrusion 111 protrudes from the top of the body 11. The locking protrusion 111 has a water inlet 112 connected to the pipeline. Inside the locking protrusion 111 is provided a shaft sleeve 113 with a shaft hole 114. The shaft At least one liquid passage 115 connected to the water inlet 112 is disposed between the sleeve 113 and the water inlet 112 . A receiving space 116 is recessed below the body 11 and has a water outlet 117 connected to the liquid passage 115 . The shaft 12 is inserted into the shaft hole 114 of the shaft sleeve 113, the shaft 12 includes a top joint body 121 at one end of the shaft shaft 12, an end connected to the top joint body 121 extends and passes through the shaft The protruding rod part 122 in the shaft hole 114 of the sleeve 113, and a nut 123 fixed to the protruding rod part 122 facing one end opposite to the abutting body 121, wherein the abutting body 121 is narrow at the top and wide at the bottom , so that the abutting body 121 is placed into the accommodating space 116 and abuts against the water outlet 117 to form a tight fit. The proximal end of the protruding rod portion 122 is provided with an external thread 1221 , and the external thread 1221 is provided with a hole 1222 The nut 123 has an internal thread 1231 which is screwed with the external thread 1221 of the protruding rod portion 122, and a fixing hole 1232 corresponding to the hole 1222 is provided on the nut 123 for a fixing clip 1233 to pass through. Enter the fixing hole 1232 and the hole 1222 for fixing. The elastic component 13 includes a lower convex seat 131 and an upper convex seat 132 that are looped around the shaft 12 and are opposite to each other, and a pressure spring 133 that is arranged between the lower convex seat 131 and the upper convex seat 13 . The lower convex seat 131 includes a concave surface 1311 below the lower convex seat 131 and a first convex body above the lower convex seat 131 1312 , and a first sleeve hole 1313 inside the lower convex seat 131 for the protruding rod portion 122 to pass through. The upper protrusion 132 includes a second protrusion 1321 below the upper protrusion 132 , and a second sleeve hole 1322 inside the upper protrusion 132 for the protrusion 122 to pass through. One end 1331 of the compression spring 133 is sleeved on the first protrusion 1312 of the lower protrusion 131 , and the other end 1332 is sleeved on the second protrusion 1321 of the upper protrusion 132 .

However, the existing nozzle 1 is found to have the following deficiencies after actual use by the user:

1. Since the protruding rod portion 122 of the shaft rod 12 penetrates into the shaft hole 114 of the body 11, the outer peripheral edge of the protruding rod portion 122 is often affected by the impact pressure of the liquid (as shown by the dashed arrow in FIG. 3 ) Wear between the shaft hole 114 of the main body 11, when the outer peripheral edge of the protruding rod portion 122 and the shaft hole 114 of the main body 11 and the inner peripheral edge of the water outlet 117 are found to be damaged or worn, it is easy to make the The tightness between the water outlet 117 and the top contact body 121 is not good, causing the shaft 12 to move eccentrically in the shaft hole 114, and even the outer peripheral edge of the protruding rod part 122 is broken due to abrasion, reducing the The service life of the nozzle 1 must be replaced with a completely new nozzle 1, resulting in a high cost of replacing the nozzle 1 as a whole.

2. Since the liquid (shown by the dotted arrow in Fig. 3) often impacts the protruding rod part 122 and moves downward, the outer peripheral edge of the protruding rod part 122 is in contact with the shaft hole 114 of the body 11 and the inner peripheral edge of the water outlet 117 (As shown in Figure 4), often being impacted by liquids is prone to wear and tear, causing the gap 118 generated between the water outlet 117 and the top contact body 121 to be larger, and it is easy for the liquid to seep out. Very practical.

The main purpose of the present invention is to solve the problem of overcoming the friction between the shaft hole of the main body and the water outlet of the main body under the pressure of the liquid impact on the outer peripheral edge of the protruding rod portion of the existing spray head, and to reduce the friction of the spray head. The lack of service life provides a nozzle with increased service life, and enables users to increase the practicability of the service life of the nozzle.

In order to achieve the aforementioned object of the invention, the technical means used in the present invention is to provide a spray head, which includes a body, a bearing, a shaft and an elastic component; wherein the body has a first end connected to the pipeline, and a The second end at one end of the first end, the first end has a water inlet, the outer periphery of the first end has an external thread section, the second end has a water outlet, and the first end has a water outlet inside the first end. A protruding body connected at two ends, between the protruding body and the water inlet is provided with at least one liquid flow passage connected with the water inlet and the water outlet, and the inside of the second end is a liquid flow passage communicated with the liquid flow passage There is a chamber, and a taper is provided at the water outlet at the second end; the bearing is arranged inside the protrusion, and the bearing is used for the axial movement of the shaft; the shaft includes a second shaft from the body. The chamber at the end penetrates and abuts against the taper body of the taper of the water outlet, a protruding rod part connecting one end of the top body and extending through the inside of the bearing, and one facing opposite to the top body The fixing part fixed by the protruding rod part at one end; and the elastic component includes a base that is sleeved outside the protruding rod part and abuts on the protruding body, and an upper seat opposite to the base and for the fixing part to abut against , and a pressure spring sleeved on the outside of the protruding rod part and ringed between the base and the upper seat.

Furthermore, the inside of the protruding body has a sleeve hole for the bearing to be placed in and a through hole at the bottom of the sleeve hole for the protruding rod to pass through.

Furthermore, the top connecting body is a tapered body with a narrow top and a wide bottom. A rod body extending from one end of the rod part, the end of the protruding rod part opposite to the abutting body is a threaded part and a first pin hole is provided at the near end of the threaded part; wherein, the fixing part has an internal thread and the The threaded portion of the protruding rod is screwed together, and the fixing member is provided with a second pin hole corresponding to the first pin hole, and a hairpin fixing pin penetrates the second pin hole and the first pin hole to fix .

Furthermore, the base includes a fitting body with a concave portion, a first convex ring body opposite to one end of the fitting body and having a first concave ring segment, and a first seat through which the convex rod portion passes. hole, the concave part of the fitting body is provided above the abutting body and the bearing, and the inner peripheral edge of the fitting body abuts against The outer peripheral edge above the abutting body; wherein, the upper seat includes a second protruding ring body with a second concave ring segment, and a second seat hole for the protruding rod part to pass through, and the upper seat faces opposite to the One end of the second protruding ring body is used by the fixing member; wherein, one end of the pressure spring is sleeved on the first concave ring section of the first protruding ring body, and the other end is sleeved on the second protruding ring body. The second concave ring segment.

Furthermore, the inner diameter of the tapered portion is larger than the inner diameter of the chamber.

Through the foregoing disclosure of the present invention, compared with the existing ones, it has the following characteristics:

1. The body and the shaft of the nozzle of the present invention are made of heat-resistant and wear-resistant special metal material. The shaft penetrates into the shaft hole of the bearing, and passes through the axial balls inside the bearing and the outer circumference of the shaft The shaft is in direct contact with the edge, and the shaft can move axially in the shaft hole, so that the shaft will not be eccentric due to wear and tear due to axial movement, and it can also reduce the impact of the liquid on the outer periphery of the convex part of the shaft The wear between the body and the body under pressure can increase the service life of the nozzle, save costs and meet economic benefits.

2. In the present invention, when the outer periphery of the protruding rod is pushed down by the liquid, the impact of the liquid on the outer peripheral edge of the protruding rod, the inside of the protrusion of the body and the inner periphery of the water outlet can be reduced by the bearing. Abrasion occurs so as to prevent the water outlet from reaching close contact with the top connector, so that the liquid can be sprayed out effectively, thus having the practical effect of effective spraying operation.

(existing)

1: Nozzle

11: Ontology

111: locking protrusion

112: water inlet

113: shaft sleeve

114: shaft hole

115: liquid channel

116:Accommodating space

117: water outlet

118: Gap

12: shaft

121: top connector

122: Convex part

1221: external thread

1222: hole

123: Nut

1231: internal thread

1232: Fixing hole

1233: fixed clip

13:Elastic components

131: Lower convex seat

1311: concave surface

1312: The first convex body

1313: the first set

132: Upper convex seat

1321: second convex body

1322: Second set of holes

133: pressure spring

1331: one end

1332: the other end

(this invention)

2: Nozzle

3: Ontology

31: first end

310: external thread segment

311: water inlet

32: second end

321: water outlet

322: Containment room

323: Taper

33: Protrusion

331: set hole

332: perforation

333: liquid channel

4: Bearing

41: shaft hole

42: axial ball

5: shaft

51: top connector

511: rod body

52: Convex part

521: threaded part

522: The first pin hole

53:Fixer

531: internal thread

532: Second pin hole

54: Hairpin fixing pin

6: Elastic components

61: base

611: Composite body

612: Concave

613: The first convex ring body

614: The first concave ring segment

615: The first seat hole

62: Upper seat

621: Second convex ring body

622: The second concave ring segment

623:Second seat hole

63: Pressure spring

631: one end

632: the other end

Figure 1: It is a three-dimensional exploded view of the existing nozzle.

Figure 2: It is a combined sectional view of the nozzle in Figure 1.

Figure 3: It is a schematic diagram of the shaft of the nozzle in Figure 1 being impacted by the liquid.

Figure 4: It is the front view of the shaft of the nozzle in Figure 1 after being worn by the impact pressure of the liquid.

Fig. 5: is a three-dimensional exploded view of the nozzle of the present invention.

Fig. 6: It is a three-dimensional exploded view of another angle of the nozzle of the present invention.

Fig. 7: is a perspective view of the nozzle combination of the present invention.

Figure 8: It is a combined sectional view of the nozzle in Figure 7.

Figure 9: It is a schematic diagram of the shaft of the nozzle in Figure 8 being impacted by the liquid.

The technical content, features and functions of the present invention will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings.

Please refer to FIG. 5 to FIG. 7 , the present invention is a spray head. The spray head 2 includes a body 3 , a bearing 4 , a shaft 5 , and an elastic component 6 .

Referring back to Figures 5 to 7 and matching Figure 8, the body 3 is made of general metal and has a first end 31 that is screwed to the pipeline, and the first end 31 has a water inlet 311 , and a second end 32 opposite to the first end 31 , the second end 32 has a water outlet 321 . Wherein the outer periphery of the first end 31 has an external thread section 310 which is threadedly engaged with the pipeline, and the inside of the first end 31 has a protrusion 33 connected with the second end 32, and the inside of the protrusion 33 has A set of holes 331 and a perforation 332 at the bottom of the set of holes 331, between the protrusion 33 and the water inlet 311 is provided with at least one liquid flow channel 333 connected with the water inlet 311 and the water outlet 321, the Inside the second end 32 is a chamber 322 communicating with the liquid channel 333 , and the water outlet 321 of the second end 32 is provided with a tapered portion 323 with an inner diameter larger than that of the chamber 322 .

The bearing 4 is set in the sleeve hole 331 of the protruding body 33. The bearing 4 has a shaft hole 41 inside, and a plurality of rows of axial balls 42 are arranged on the inner periphery of the shaft hole 41 for the outer circumference of the shaft rod 5. The edge is in direct contact with the axial balls 42, and enables the shaft 5 to move axially in the shaft hole 41, so that the shaft 5 will not be eccentric due to wear due to axial movement. More specifically, the bearing 4 is a linear bearing.

The shaft 5 includes an abutment body 51 that penetrates through the chamber 322 of the second end 32 of the body 3 and abuts against the taper portion 323 of the water outlet 321 , and extends from one end connected to the abutment body 51 And pass through the protruding rod portion 52 of the shaft hole 41 of the bearing 4 , and a fixing member 53 fixed to the protruding rod portion 52 opposite to the end of the abutting body 51 . Wherein the top connecting body 51 is a conical body with a narrow top and a wide bottom. The abutting body 51 is provided with a rod body 511 extending opposite to one end of the protruding rod portion 52 . An end of the protruding rod portion 52 opposite to the abutting body 51 is a threaded portion 521 and a first pin hole 522 is defined at a proximal end of the threaded portion 521 . The fixing member 53 is a nut, and has an internal thread 531 that is screwed and engaged with the threaded portion 521 of the protruding rod portion 52 , and the fixing member 53 is provided with a second pin hole 532 corresponding to the first pin hole 522 , using a hairpin fixing pin 54 to pass through the second pin hole 532 and the first pin hole 522 for fixing.

The elastic component 6 includes a base 61 sleeved outside the protruding rod portion 52 and abutted above the protruding body 33, and an upper seat 62 opposite to the base 61 for the fixing member 53 to abut against, and a sleeve sleeve A compression spring 63 is disposed outside the protruding rod portion 52 and disposed between the base 61 and the upper seat 62 . Wherein the base 61 comprises a fitting body 611 having a concave portion 612, a first protruding ring body 613 having a first concave ring segment 614 towards one end opposite to the fitting body 611, and a first protruding ring body 613 for the protruding rod portion 52 to pass through. The first seat hole 615 extending, the recess 612 of the fitting body 611 is provided above the abutting body 33 and the bearing 4, and the inner peripheral edge of the fitting body 611 abuts against the outer peripheral edge above the abutting body 33 . The upper seat 62 includes a second protruding ring body 621 having a second concave ring section 622, and a second seat hole 623 through which the protruding rod portion 52 passes. The upper seat 62 faces opposite to the second protruding ring body. One end of 621 is for the fixing member 53 to lean against. One end 631 of the pressure spring 63 is sleeved on the first concave ring section 614 of the first convex ring body 613 , and the other end 632 is sleeved on the second concave ring section 622 of the second convex ring body 621 .

On the bearing, the body 3 and the shaft 5 of the spray head 2 are made of heat-resistant and wear-resistant special metal material, the shaft 5 penetrates into the shaft hole 41 of the bearing 4, and passes through the axial The ball 42 directly contacts the outer periphery of the protruding rod portion 52 of the shaft rod 5, and enables the shaft rod 5 to move axially in the shaft hole 41, so that the shaft rod 5 The shaft rod 5 will not be eccentric due to wear and tear due to axial movement, and the wear between the shaft rod 5 and the body 3 under the impact pressure of the liquid (as shown by the dotted arrow in Figure 9) can be reduced, thereby improving service life, in order to save costs, but also in line with economic benefits.

Please refer to the embodiment shown in Fig. 8 and Fig. 9, when the present invention is used, after the body 3 of the spray head 2 is assembled to the pipeline through the external thread section 310 of the first end 31, when When the liquid (as shown by the dotted line in Fig. 9) enters the liquid flow path 333 through the water inlet 311 of the body 3 of the nozzle 2, the liquid can flow from the liquid flow path 333 to the chamber 322, making the liquid flow into the chamber 322. The liquid inside the chamber 322 becomes larger and pushes down the top connector 51. When the top connector 51 is pushed away by the impact of the liquid, a gap 34 is formed between the top connector 51 and the taper 323, and The liquid enters the chamber 322 through the water outlet 321 and then flows out through the gap 34 .

As far as the structural design of the present invention is concerned, the spray head 2 uses the bearing 4 for the shaft 5 to pass through the body 3, and the axial balls 42 inside the bearing 4 are used for the shaft 5 to extend. The outer peripheral edge of the protruding rod portion 52 is in direct contact, and the shaft rod 5 can move axially in the shaft hole 41, so that the shaft rod 5 will not be eccentric due to wear and tear due to axial movement, and the shaft rod 5 can be reduced. The wear between the liquid (as shown by the dashed arrow in Figure 9) and the body 3 under the impact pressure can improve the service life of the nozzle 2, which is different from the existing structure design of the nozzle 1, and can completely solve the problem at the same time. The protruding rod portion 122 of the existing shaft rod 12 penetrates into the shaft hole 114 of the body 11, and the protruding rod portion 122 is often rubbed against the shaft hole 114 of the body 11 under the impact pressure of the liquid, so that When the outer peripheral edge of the protruding rod portion 122 and the shaft hole 114 of the body 11 and the inner peripheral edge of the water outlet 117 are found to be damaged or worn, the existing nozzle 1 cannot be repaired, and the nozzle 1 must be replaced frequently. problems, and thus obtain better practical value.

To sum up, the present invention has indeed achieved breakthrough structural design, has improved invention content, and can achieve industrial applicability and advancement at the same time.

Only the above is only a preferred embodiment of the present invention, and should not limit the scope of the present invention; that is, all equivalent changes and modifications made according to the patent scope of the present invention should still belong to the present invention covered by the patent.

2: Nozzle

3: Ontology

31: first end

310: external thread segment

311: water inlet

32: second end

33: Protrusion

331: set hole

333: liquid channel

4: Bearing

41: shaft hole

42: axial ball

5: shaft

51: top connector

511: rod body

52: Convex part

521: threaded part

522: The first pin hole

53:Fixer

531: internal thread

532: Second pin hole

54: Hairpin fixing pin

6: Elastic components

61: base

611: Composite body

613: The first convex ring body

614: The first concave ring segment

615: The first seat hole

62: Upper seat

621: Second convex ring body

622: The second concave ring segment

623:Second seat hole

63: Pressure spring

631: one end

632: the other end

Claims (5)

A spray head, comprising a body, a bearing, a shaft and an elastic component; wherein the body has a first end engaged with the pipeline, and a second end opposite to the first end, the first end has A water inlet, the outer periphery of the first end has an external thread section, the second end has a water outlet, the inside of the first end has a protrusion connected to the second end, the protrusion is connected to the inlet There is at least one liquid flow passage connected with the water inlet and the water outlet between the water outlets, the inside of the second end is a chamber connected with the liquid flow passage, and a cone is arranged at the water outlet at the second end part; the bearing is arranged inside the protruding body, and the bearing is used for the axial movement of the shaft; the shaft includes a shaft that penetrates from the chamber at the second end of the body and abuts against the water outlet The top connecting body of the cone part, one end connected to the top connecting body extending and passing through the protruding rod part inside the bearing, and a fixing part fixed towards the protruding rod part opposite to the one end of the abutting body; and the elastic component It includes a base that is sleeved on the outside of the protruding rod and abutted on the protruding body, an upper seat that is opposite to the base and for the fixing piece to abut against, and is sleeved on the outside of the protruding rod and is arranged around the A pressure spring between the base and the upper seat. The spray head according to claim 1, wherein, the protruding body has a bushing hole for the bearing to be placed inside, and a through hole at the bottom of the bushing hole for the protruding rod to pass through. The spray head according to claim 1, wherein the abutting body is a conical body with a narrow top and a wide bottom, the abutting body is placed in the chamber and abuts and seals with the taper of the water outlet, the abutting body The connecting body is provided with a rod body extending opposite to one end of the protruding rod part, and the end of the protruding rod part opposite to the top connecting body is a threaded part and a first pin hole is provided at the near end of the threaded part; wherein, the fixing The piece has an internal thread which is connected with the thread of the male shank The fixing part is provided with a second pin hole corresponding to the first pin hole, and a hairpin fixing pin penetrates the second pin hole and the first pin hole to fix. The spray head according to claim 1, wherein the base comprises a fitting body with a concave portion, a first protruding ring body facing opposite to one end of the fitting body and having a first concave ring segment, and a The first seat hole through which the rod part extends, the concave part of the fitting body is provided above the top connecting body and the bearing, and the inner peripheral edge of the fitting body abuts against the outer peripheral edge above the top fitting body; wherein, the The upper seat includes a second protruding ring body with a second concave ring segment, and a second seat hole through which the protruding rod part passes. Rely; wherein, one end of the pressure spring is sleeved on the first concave ring segment of the first convex ring body, and the other end is sleeved on the second concave ring segment of the second convex ring body. The shower head as claimed in claim 1, wherein the inner diameter of the tapered portion is larger than the inner diameter of the chamber.

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