JPH08284911A - Mounting device tightened by screw - Google Patents

Abstract

PURPOSE: To prevent coming-off of a mounting screw surely by the minimum number of parts in a mounting device tightened by the screw. CONSTITUTION: A mounting device tightened by a screw is provided with a mounting screw 56 having a spiral piece section 56c which has a larger diameter than that of a shaft section 56b. In the main body 50 of the mounting device, a circular hole 54 in which the spiral piece section 56c is inserted and an oblong hole 53 which is communicated with the circular hole 54, is larger than an outside diameter of the shaft section 56b, and has a smaller width than an outside diameter of the spiral piece section 56c are formed. Furthermore, a guide oblong hole 59 having the same width as the oblong hole 53 is provided and a rubber plate 57 which is fixed to the main body 50 of the device is provided. After the spiral piece section 56c of the mounting screw 56 is inserted into the circular hole 54, the mounting screw 56 is moved along the oblong hole 53. Then, the guide oblong hole 59 is superposed on the oblong hole 53 to fix the rubber plate 57 on the main body 50 of the mounting device and block the circular hole 54 by a part of the rubber plate 57.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting device for small televisions, cameras and the like, and more particularly to a mounting device for fixing screws.

[0002]

2. Description of the Related Art A conventional mounting device of this type is shown in FIG.
The L-shaped mounting device 1 is provided with a guide hole 3 having a plurality of branch passages 3a in the mounting portion 2, and a circular screw having a hole diameter larger than the width of the guide hole 3 at one end of the guide hole 3. The insertion hole 4 is formed so as to communicate with the guide hole 3.

A rubber sheet 5 is laid on the placing portion 2. The rubber sheet 5 is provided with a guide hole 5a formed in the mounting portion 2 and a guide hole 5a conforming to the shape of the screw insertion hole 4. The guide hole 5a is used as the guide hole 3a.
Also, it is laid on the mounting portion 2 so as to be aligned with the screw insertion hole 4 and fixed by an adhesive material.

The mounting screw 6 has a screw portion 6b having a diameter larger than that of the shaft portion 6a, and a knob portion 6c. Further, the screw insertion hole 4 described above is formed larger than the outer diameter of the screw portion 6b of the mounting screw 6, and the width of the guide hole 3 is smaller than the outer diameter of the screw portion 6b. It is formed larger than the diameter.

The mounting screw 6 is inserted into the above-mentioned screw insertion hole 4 from the back side of the mounting portion 2. This mounting screw 6 has a screw portion 6b.
Insert the whole part until it protrudes above the mounting part 2, then
It is moved along the guide hole 3 and one of the branch paths 3a is selected and moved to the branch path 3a.

The mounting screw 6 is held by the mounting device 1 by engaging the screw portion 6b with the hole edge of the branch passage 3a, and the mounting screw 6 is located in the branch passage 3a of the guide hole 3. Because of this, the mounting screw 6 is prevented from falling off without returning to the screw insertion hole 4 and coming off.

The fixing device 1 is fixed by fixing the fixing portion 7 to the inner wall surface of an automobile with screws or the like. For this reason, a mounting hole 7a is formed in the fixed portion 7. A mounting object such as a small television is mounted on the mounting portion 2, the mounting screw 6 is moved in accordance with the screw hole on the mounting object side, and the mounting screw 6 is screwed into the screw hole for mounting. Fix the object. The attachment object is fixed in close contact with the attachment device 1 by a rubber sheet 5 laid on the mounting portion 2.

[0008]

The mounting device 1 described above
Is provided with a plurality of branch passages 3a in the guide hole 3 to prevent the mounting screw 6 from returning to the screw insertion hole 4 and prevent the mounting screw 6 from falling off. When the vehicle is installed in a vehicle as described above, when the mounting object is not fixed, the mounting screw 6 may move into the screw insertion hole 4 and come out due to the vibration of the vehicle. There is a problem such as loss of the product, and it cannot be said to be a reliable captive structure. On the other hand, there is one using a washer made of an elastic material in order to prevent such a mounting screw from coming off. That is, after the mounting screw is inserted from the long hole of the mounting portion, a washer made of an elastic material into which the screw portion of the mounting screw is inserted is provided, and the screw portion is engaged by the washer and is prevented from coming off. There is. However, with this configuration, washers must be prepared.

Therefore, an object of the present invention is to develop a mounting device of this type which has a simple structure and can reliably prevent the mounting screw from falling off.

[0010]

In order to achieve the above object, in the present invention, a mounting screw having a screw portion having a diameter larger than that of the shaft portion is provided at the tip of the shaft portion, and the mounting device main body is provided with the mounting screw. Forms a hole portion into which the screw portion is inserted, and a long hole which communicates with the hole portion and has a width larger than the outer diameter of the shaft portion and smaller than the outer diameter of the screw portion. An elastic plate with a guide slot having a width is provided, and the mounting screw is inserted into the hole so that the entire screw portion projects from the hole of the main body of the device, and then the mounting screw is moved along the slot. After that, the elastic plate is fixed to the attachment device main body so that the guide elongated hole is overlapped with the elongated hole, and the hole portion is partially or wholly closed by the elastic plate portion. We propose a characteristic fixing device for screw fixing.

[0011]

When the mounting screw is inserted into the hole so that the screw is passed through the hole formed in the main body of the apparatus and the entire screw is projected from the hole, the mounting screw has an outer diameter smaller than the width of the long hole. The long hole can be moved by the shaft portion of the.

When the mounting screw is moved along the elongated hole, the mounting screw is engaged with the main body of the apparatus by the screw portion having an outer diameter larger than the width of the elongated hole. After that, an elastic plate having a guide slot having the same width as the slot is fixed to the apparatus main body so that the guide slot overlaps the slot.

As a result, a part or the whole of the hole into which the screw portion is inserted is closed by the elastic plate portion, and the attachment screw is prevented from coming out of the main body of the apparatus.

This mounting device preliminarily fixes the device body to the inner wall of a car or the like. Then, the mounting object is placed on the main body of the apparatus, and the mounting screw is screwed into the screw hole provided in the mounting object to mount and fix the mounting object.

[0015]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is an exploded perspective view of a mounting device. In this figure, 50 is an L-shaped plate-shaped device main body, and this device main body 50 has a standing plate portion 51 as an external medium, for example, the interior of an automobile. It is designed to be attached to a wall surface,
The standing plate portion 51 is provided with its mounting hole 51a.

The horizontal plate portion 52 is a mounting portion for a mounting object such as a small television, and has a long hole 53 formed in the central portion, and a circular hole 54 communicating with the long hole 53 at one end of the long hole 53. Rubber plates 5 to be described later are provided on four sides of the horizontal plate portion 52.
A positioning projection 55 for fixing 7 is provided.

Reference numeral 56 is a mounting screw, and the mounting screw 56 is attached to the tip of a shaft portion 56b fixed to the knob 56a.
A screw portion 56c having a larger diameter than b is provided.

The circular hole 54 of the apparatus body 50 has an outer diameter of the screw portion 56c of the mounting screw 56 (a cross-sectional diameter orthogonal to the axis).
It is made larger, and this screw part 56c can be inserted,
The elongated hole 53 is formed such that its width is smaller than the outer diameter of the screw portion 56c and larger than the outer diameter of the shaft portion 56b (cross-sectional diameter orthogonal to the axis), and the shaft portion 56b moves in the elongated hole 53. I can do it.

Reference numeral 57 denotes a rubber plate, which has a positioning hole 58 formed in conformity with the positioning projection 55 of the apparatus main body 50,
Further, a guide slot 59 which is slightly wider than the slot 53 is formed in the central portion. When the rubber plate 57 is joined to the horizontal plate portion 52 such that the positioning hole 58 is aligned with the projection 55 of the horizontal plate portion 52, the guide elongated hole 59 is provided.
It is formed so as to overlap with the second long hole 53. In addition,
The guide elongated hole 59 of this embodiment is formed to be slightly longer in the longitudinal direction than the elongated hole 53.

In the mounting device described above, the screw portion 56c of the mounting screw 56 is inserted into the circular hole 54 from below the horizontal plate portion 52 of the apparatus main body 50, and the entire screw portion 56c is projected above the horizontal plate portion 52, Then, the mounting screw 56 is moved in the arrow direction in FIG. 1 so that the shaft portion 56b passes through the elongated hole 53.
When the mounting screw 56 is moved in this way, the screw portion 56c
Engages with the long hole edge of the horizontal plate portion 52, and the mounting screw 56 is held in a state of being suspended from the apparatus main body 50.

Then, a rubber plate 57 is fixed to the surface of the horizontal plate portion 52. FIG. 2 shows a state in which the rubber plate 57 is attached to the apparatus main body 50.
When 8 is aligned with the positioning projection 55 of the horizontal plate portion 52 and this rubber plate 57 is joined to the horizontal plate portion 52, the guide elongated hole 59 of the rubber plate 57 overlaps with the elongated hole 54 of the horizontal plate portion 52, and the mounting screw is attached. The screw portion 56c of 56 is located in the guide slot 59.

An adhesive material is applied to the back surface of the rubber plate 57, and the rubber plate 57 is fixed to the horizontal plate portion 52 by being joined to the horizontal plate portion 52.

FIG. 3 shows a state in which the rubber plate 57 is fixed to the horizontal plate portion 52. As shown in this figure, the circular hole 55 of the horizontal plate portion 52 is closed by a part of the rubber plate 57. Therefore, the mounting screw 56 does not move to the position of the circular hole 54 of the apparatus main body 50, which prevents the mounting screw 56 from coming off.

In this mounting device, a mounting object such as a television is placed on a horizontal plate portion 52 on which a rubber plate 57 is laid, and a screw portion 56c of the mounting screw 56 is screwed into a screw hole provided in the mounting object. Install the object. The attached object is prevented from slipping by the rubber plate 57 and is attached and fixed to the attaching device. Therefore, when this mounting device is used in a vehicle, the mounting object does not rattle due to the vibration of the vehicle, and rattling noise due to the rattling does not occur.

In the above embodiment, the horizontal plate portion 52 of the apparatus main body
Although the circular hole 54 formed in the above is partially covered with the rubber plate 57, the entire circular hole 54 may be covered with the rubber plate 57, and the rubber plate 57 is made of an elastic plate other than the rubber material. Can be replaced by

[0026]

As described above, in the mounting device according to the present invention, after the screw part of the mounting screw is inserted into the hole of the device body,
Since the hole is closed by the elastic plate and the mounting screw is locked by the long hole edge of the apparatus body, the mounting screw can be reliably prevented from falling off.

Further, since the mounting screw is prevented from slipping off by using the elastic plate provided for preventing the mounting object from slipping, a mounting device which does not require a separate part such as a washer becomes a very simple mounting device.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a mounting device showing an embodiment of the present invention.

FIG. 2 is a perspective view of the mounting device showing a mounting state of a rubber plate.

FIG. 3 is a partial plan view of the attachment device.

FIG. 4 is an exploded perspective view of a conventional mounting device.

[Explanation of symbols]

 50 Device Main Body 51 Standing Plate Part 52 Horizontal Flat Plate Part 53 Long Hole 54 Circular Hole 56 Mounting Screw 56b Shaft Part 56c Screw Part 57 Rubber Plate 59 Guide Long Hole

Claims (1)

[Claims] 1. A mounting screw, which is formed at a tip of a shaft portion and has a screw portion having a diameter larger than that of the shaft portion, and a hole portion into which the screw portion is inserted in the mounting device body, and a hole communicating with the hole portion. An elastic plate having a slot having a width larger than the outer diameter of the shaft portion and smaller than the outer diameter of the screw portion, and further provided with an elastic plate having a guide slot having the same width as the slot. After inserting the mounting screw into the hole so that the whole part projects from the hole of the device body, move the mounting screw along the long hole, and then overlap the guide long hole with the long hole. A mounting device for fixing a screw, wherein the elastic plate is fixed to a mounting device body, and the hole is partially or wholly closed by the elastic plate part.