JPH0571414U - Plate material mounting structure - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention relates to a mounting structure for a plate member such as a partition plate or a shielding plate that is mounted on a member to be mounted such as a device sheet metal, and taps the plate member when fixing the plate member to the member to be mounted with screws It is an object of the present invention to provide a plate material mounting structure that does not require a space for standing up or for standing up a tap. [Structure] In a plate material mounting structure in which a plate material is screwed substantially vertically to a mounted member, a projecting piece and the plate material are fixed to the mounted member on the fixed side of the plate material to the mounted member. Notches with the same cross-sectional shape of the shaft part of the screw
The member to be mounted is provided with an engagement hole with which the projection piece is engaged.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a mounting structure of a plate material such as a partition plate or a shielding plate which is mounted between components mounted on a sheet metal of a device.

[0002]

[Prior Art]

 Conventionally, as shown in FIG. 10, in order to fix a plate member such as a metallic partition plate 7 or a shielding plate between the component 3 and the component 5 mounted on the apparatus sheet metal 1, as shown in FIG. A prepared hole 9 is provided to stand up the tap, and a tapping space S is secured for vertically fixing the partition plate 7 to the apparatus sheet metal 1. The partition plate 7 is bent at a right angle to the fixed side 7a side. By processing, the prepared hole 9 is tapped.

Then, a back hole 13 for passing the round screw 11 is formed in the apparatus sheet metal 1 by press working, and after these steps, the round screw 11 is tapped from the back hole 13 to prepare a prepared hole 9 The partition plate 7 is screwed to the device sheet metal 1 by screwing it into.

The width of the tapping space S of the partition plate 7 for erecting the tap is changed according to the thickness of the round screw 11.

[0005]

[Problems to be solved by the device]

 However, in the conventional partition plate 7 mounting structure as described above, it is troublesome to make a tap on the partition plate 7, and since the partition plate 7 rotates together with the round screw 11, the two partition plates 7 rotate together. The workability was poor because fixing with the round screw 11 was necessary.

Furthermore, with the recent miniaturization of electronic devices, the space between components mounted inside the device is narrow, and it is difficult to secure a sufficient tap space S in the partition plate 7. Therefore, there has been a demand for a plate mounting structure capable of fixing the partition plate 7 and the shielding plate in a small space sandwiched between parts.

The present invention has been devised in view of such circumstances, and when fixing a plate material such as a partition plate to a mounted member such as a device sheet metal with a screw, a tapping operation or a tapping operation is performed on the plate material. It is an object of the present invention to provide a plate material mounting structure that does not require a space.

[0008]

[Means for Solving the Problems]

 In order to achieve such an object, the present invention provides a plate member mounting structure in which a plate member is screwed substantially perpendicularly to a member to be mounted, and a projecting piece is provided on the fixed side of the plate member to the member to be mounted. A notch having the same sectional shape as the shaft portion of the screw for fixing the plate member to the member to be mounted is provided, and the member to be mounted is provided with an engaging hole with which the projecting piece engages.

[0009]

[Action]

 According to the present invention, after the projecting piece provided on the fixed side of the plate member is engaged with the engaging hole of the member to be mounted, the member to be mounted is penetrated and the screw is screwed into the notch of the plate member, Will be screwed on the member to be attached substantially vertically.

Then, the projecting piece engaged with the engaging hole prevents co-rotation of the plate material due to tightening of the screw.

[0011]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The same parts as those in the above conventional example are indicated by the same reference numerals.

In FIG. 1, reference numeral 15 is a device sheet metal, 17 is a partition plate that is fixed between the components 3 and 5 mounted on the device sheet metal 15, and the fixed side 17 a side of the partition plate 17 is as shown in FIG. A notch 19 having the same sectional shape as that of the shaft portion 11a of the round screw 11 is formed by pressing. Further, two projecting pieces 21 and 23 are formed on the fixed side 17a of the partition plate 17 with the notch 19 in between.

On the other hand, as shown in FIG. 3, the device sheet metal 15 has rectangular engaging holes 25 and 27 in which the projecting pieces 21 and 23 are engaged, in addition to the foolish hole 13 similar to the conventional one. It is formed on the same line so as to communicate with the hole 13, and the stupid hole 13 and the engaging holes 25 and 27 are formed by press working.

Then, as shown in FIG. 1, after the projecting pieces 21 and 23 are engaged with the engaging holes 25 and 27, the round screw 11 is screwed into the notch 19 from the back hole 13, As shown in FIGS. 4 and 5, the partition plate 17 is vertically screwed to the apparatus metal plate 15. 6 is an end view taken along the line VI-VI of FIG.

Since the present embodiment is configured in this way, the protruding pieces 21 and 23 provided on the fixed side 17a of the partition plate 17 as described above are respectively inserted into the engaging holes 25 and 27 of the apparatus sheet metal 15. After the engagement, the round screw 11 is screwed into the notch 19 from the back hole 13, so that the partition plate 17 is screwed vertically to the device sheet metal 15, as shown in FIG. Then, the respective projecting pieces 21, 23 engaged with the engaging holes 25, 27 prevent the partition plate 17 from co-rotating due to the tightening of the round screw 11.

As described above, according to this embodiment, it is not necessary to set a tap on the partition plate 17 when mounting the partition plate 17, and the space m between the components 3 and 5 is reduced as shown in FIG. Even if the space is smaller than the space n in FIG. 10, the present embodiment does not require a bending space for tapping the partition plate 17, so that the partition plate 17 can be attached to a small space between the components 3 and 5. Became.

Of course, when the round screw 11 is tightened, the projecting pieces 21 and 23 that engage with the engaging holes 25 and 27 prevent the partition plate 17 from co-rotating. No stopping work is required.

In addition, as described above, in the conventional example shown in FIG. 10 and below, the prepared hole 9 for raising the tap is provided in the partition plate 7, and the fixed side 7a side of the partition plate 7 is bent at a right angle. 4 steps are required, such as making a tap on the prepared hole 9 and punching a stupid hole 13 for passing the round screw 11 on the device sheet metal 1 by press working. The engaging holes 25 and 27 may be simultaneously punched, and the notch 19 and the protrusions 21 and 23 may be simultaneously pressed on the fixed side 17a side of the partition plate 17, which is two steps. Also, both steps may be performed by pressing, and as described above, since it is not necessary to make a tap on the partition plate 17 when mounting the partition plate 17, the workability and the mounting workability of the partition plate 17 are higher than those of conventional ones. It has been dramatically improved.

Further, as shown in FIG. 7, when a countersunk screw 29 is used instead of the round screw 11, a back hole 31 having a shape similar to the shape of the head 29 a of the countersunk screw 29 is formed on the apparatus sheet metal 15. do it.

With this structure, the intended purpose can be achieved as in the first embodiment. 8 and 9 show a third embodiment of the present invention. This embodiment shows a partition plate mounting structure in which the mounting strength of the partition plate fixed to the device sheet metal is improved. In the drawings, 33 is the device sheet metal. Reference numerals 35 denote partition plates that are fixed to the device sheet metal 33. The device sheet metal 33 is provided with a burring hole 37 for inserting the round screw 11, and the cylindrical bent portion 39 has a bent portion 39. Projecting on the mounting surface. Further, in the apparatus sheet metal 33, engagement holes 41 and 43 are formed on the same line by press working, with the stagger hole 37 interposed therebetween.

On the other hand, on the fixed side 35a side of the partition plate 35, a notch 45 with which the bent portion 39 is engaged and a notch 47 communicating with this are provided by press working. The shaft portion 11a of the round screw 11 can be screwed into the notch 47. Further, on the side of the fixed side 35a, two projecting pieces 49, 51 are formed with the notch 45 interposed therebetween, and the projecting pieces 49, 51 are engaged with the engaging holes 41, 43, respectively. It is supposed to do.

Since the present embodiment is configured in this way, the projecting pieces 49, 51 provided on the fixed side 35a of the partition plate 35 are engaged with the engaging holes 41, 43 of the device sheet metal 33, respectively. Then, after engaging the bent portion 39 with the notch 45 and screwing the round screw 11 into the notch 47 from the back hole 37, the partition plate 35 is attached to the device sheet metal 33 as shown in FIG. It will be screwed vertically. Then, the respective projecting pieces 49, 51 engaged with the engaging holes 41, 43 prevent the partition plate 35 from co-rotating due to the tightening of the round screw 11.

As described above, according to the present embodiment as well, it is not necessary to make a tap on the partition plate 35 when mounting the partition plate 35, and the space between the components 3 and 5 mounted on the apparatus sheet metal 33 is smaller than that of the conventional one. Even if the partition plate 35 is narrow, the partition plate 35 does not need a bending space for tapping, so that the partition plate 35 can be mounted in a small space between the components 3 and 5.

Further, in the present embodiment, the device sheet metal 33 is burred with the burrow hole 37, and the device sheet metal 33 is provided with the engaging holes 41 and 43 by press working to cut the partition plate 35 on the fixed side 35 a side. The notches 45 and 47 and the protruding pieces 49 and 51 may be simultaneously formed by press working. Further, as described above, when the partition plate 35 is attached, it is not necessary to tap the partition plate 35, so that it is more conventional than the conventional one. The workability and mounting workability of the partition plate 35 have been dramatically improved.

Furthermore, in this embodiment, when the partition plate 35 is attached to the device plate 33, the cylindrical bent portion 39 provided on the device plate 33 by burring is engaged with the notch 45 of the partition plate 35. Since they are combined, there is an advantage over the first and second embodiments that the partition plate 35 fixed to the apparatus plate 33 can be prevented from rattling and its mounting strength can be improved.

In each of the above embodiments, the case where the partition plates 17 and 35 are vertically fixed to the device sheet metals 15 and 33 has been described, but the engaging holes 25, 27 and 41 provided in the device sheet metals 15 and 33 are described. If the holes 43, 43 are drilled at any angle, the partition plates 17, 35 can be fixed to the mounting metal plates 15, 33 according to the angle.

Further, in each of the above-described embodiments, the case where the partition plates 17 and 35 are fixed to the apparatus metal plates 15 and 33 has been described. However, it can be widely used as a mounting structure for other plate materials as well as being used as a mounting structure for a shielding plate. It is available.

[0028]

[Effect of the device]

 As described above, even when the plate material mounting space is small, the plate material mounting structure according to the present invention eliminates the need for a tap bending space in the plate material, so that the plate material can be mounted in a narrow space. It is possible.

When the plate material is screwed to the mounted member, it is not necessary to make a tap on the plate material, and when the screws are tightened, the protrusions that engage with the engaging holes move around the plate material together. Since it is unnecessary to perform screwing work at two places as in the conventional case, the workability of the plate material and the workability of its mounting are dramatically improved as compared with the conventional case.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a plate material mounting structure according to a first embodiment of the present invention.

FIG. 2 is a front view of a main part of a partition plate.

FIG. 3 is a plan view of a main part of a device sheet metal.

FIG. 4 is a cross-sectional view showing a state in which a partition plate is fixed to the apparatus sheet metal.

FIG. 5 is a side view showing a state where a partition plate is fixed to the apparatus sheet metal.

6 is an end view taken along line VI-VI of FIG.

FIG. 7 is a sectional view of a plate material mounting structure according to a second embodiment of the present invention.

FIG. 8 is a sectional view of a plate material mounting structure according to a third embodiment of the present invention.

FIG. 9 is a cross-sectional view showing a state in which a partition plate is fixed to the apparatus sheet metal.

FIG. 10 is a side view of a conventional partition plate mounting structure.

FIG. 11 is an exploded perspective view of a conventional partition plate mounting structure.

[Explanation of symbols]

 11 Round screw 11a Shaft part 15,33 Device sheet metal 17,35 Partition plate 17a, 35a Fixed side 19,45,47 Notch 21,23,49,51 Projection piece 25,27,41,43 Engagement hole 29 Flat head screw

Claims (1)

[Scope of utility model registration request] 1. A mounting structure of a plate material, wherein a plate material is screwed substantially vertically to a member to be mounted, the projecting piece and the plate member being mounted on the fixed side of the plate material to the member to be mounted. A plate member mounting structure characterized in that notches having the same cross-sectional shape as the shaft portion of the screw to be fixed to are provided respectively and engaging holes for engaging the projecting pieces are provided in the member to be attached.