JPH09158928A - Mounting fixture and mounting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure which can easily mount a mounted object in a mounting hole of a plate-shaped material by a single person and can make appearance beautiful. SOLUTION: A mounting fixture 1 is formed by having an annular part 2, leg part 3 extended from the annular part 2, fitting part 8 provided in a root part of the leg part 3, pawl part 4 provided in a tip end part of the leg part 3 and a mounted object contact part 9. When the mounting fixture 1 is inserted in a mounting hole 7 from an obverse side of a plate-shaped material 6, a peripheral edge part of its mounting hole 7 is fitted to the fitting part 8, and in this way, the mounting fixture 1 is mounted in the plate-shaped material 6. Next, till coming into contact with the mounted object contact part 9 of a mounting object 10, when it is inserted between the leg parts 3 of the mounting fixture 1 and in its annular part 2, the pawl part 4 is engaged with the mounted object 10, and it is mounted in the mounting fixture 1, in its turn, in the plate-shaped material 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting tool and a mounting structure for mounting an object to be mounted in a mounting hole formed in a plate member.

[0002]

2. Description of the Related Art The conventional mounting structure of this type is as follows.

(A) The object to be attached is inserted into the hole to be attached from the back side of the plate-shaped material, while the ring provided with the female screw is screwed into the male screw part provided on the object to be attached from the front side of the plate-shaped material. The peripheral edge of the mounting hole of the plate-shaped member is clamped between the ring and the object to be mounted.

(B) The mounting hole provided in the plate-shaped member is formed into a non-circular shape consisting of a circular portion and a pair of protruding portions that radially protrude at positions 180 degrees from each other, The mounted object is also provided with a pair of projecting portions corresponding to the projecting portions of the mounting holes, and the projecting portions of the mounting holes and the projecting portions of the mounting holes are matched to each other so that the mounting holes project into the mounting holes. After passing through, the mounting object is rotated so that the peripheral edge portion of the mounting hole of the plate member is sandwiched between the protruding portion of the mounting object and the other part of the mounting object.

(C) The mounting member is pressed from the front side of the plate-shaped material and the mounting target is pressed from the back side at the same time so that they are fitted to each other. The thing to be sandwiched between them.

[0006]

In the conventional mounting structure of the type (a), it is troublesome to screw the ring onto the object to be attached, and a female screw is provided on the ring side and a male screw is provided on the object side. Since it is necessary, there is a problem that the cost becomes high.

Further, in the above-mentioned conventional type (b) type mounting structure, the projecting portion is provided in the mounting hole, so that the processing cost of the mounting hole is high and the projecting portion of the mounting hole is not visible from the outside. If no measures were taken, there was a problem that the appearance would deteriorate.

Further, in the conventional mounting structure of the type (c), one operator can reach both the front side and the back side of the plate material at the same time when the plate material has a large size. If not, one operator needs to press the fixture from the front side and the other worker to push the attached object from the back side at the same time to fit the attached instrument and the attached object. However, there is a problem in that the mounting work is troublesome because it is necessary for the two workers to match the timings at which the two workers press the fixture and the object to be attached, respectively.

The present invention has been made in view of the above-mentioned conventional circumstances, and one object of the present invention is to cover a mounting hole of a plate-shaped member with a simple mounting operation by only one operator. An object of the present invention is to provide an attachment and an attachment structure to which an attachment can be attached.

Another object of the present invention is to provide an attachment and an attachment structure which can make the appearance of the attachment portion beautiful.

Still another object of the present invention is to provide a fixture and a mounting structure which are low in cost because it is not necessary to provide a screw portion on the fixture and the object to be attached and a protrusion portion is not required to be provided in the attachment hole. Especially.

Other objects of the invention will be apparent from the following description.

[0013]

According to the present invention, an attachment includes an annular portion, a plurality of legs extending from the annular portion in a direction substantially parallel to an axis of the annular portion, and a vicinity of a base portion of the leg portion. A ring-shaped recessed fitting portion on the axial side of the annular portion, an inwardly projecting claw portion provided at the distal end portion of the leg portion, and an attachment object contact portion. .

When this mounting tool is inserted into the mounting hole from the front side of the plate-shaped member while elastically deforming the leg portion inward, the mounting hole of the plate-shaped member is inserted into the fitting portion. Is fitted to the plate-shaped material in a state where the leg portions are projected to the back side of the plate-shaped material.

The object to be attached is adapted to be inserted from the back side of the plate-shaped member into the space between the legs and the annular portion while elastically deforming the legs outwardly. Is inserted until it comes into contact with the attached object contacting portion of the fixture, the leg portion elastically returns to the inside and the claw portion engages with a predetermined portion of the attached object, The object is in a state of being sandwiched by the object contacting portion of the fixture and the claw portion. As a result, the object to be attached is a fixture,
As a result, it is attached to the plate-shaped material.

According to this attachment and the attachment structure, only one operator can attach the object to be attached to the plate-shaped member by a simple attachment operation.

Further, since it is not necessary to provide a screw portion on the fixture and the object to be attached and it is not necessary to provide a projecting portion on the attachment hole, the cost can be reduced.

Further, since the mounting hole can be covered with the annular portion of the mounting tool, the appearance of the mounting portion can be made beautiful.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to embodiments.

[0020]

1 to 11 show an embodiment in which the present invention is applied to a fixture and a mounting structure for a lamp socket. Figures 1-6
Shows a fixture 1 in the present embodiment, which is made of a plastic molded product, and has an annular portion 2, a pair of legs 3, a claw portion 4 and four wall portions 5 integrated with each other. Have.

The annular portion 2 has a circular shape, and the inner diameter of the annular portion 2 is a circular mounting hole 7 formed in the plate member 6 (see FIG. 7).
The outer diameter is larger than the mounting hole 7, while the outer diameter is smaller than the diameter.

The pair of leg portions 3 extend from the annular portion 2 in a direction substantially parallel to the axis of the annular portion 2 at a position forming an angle of 180 degrees with each other, and are elastically deformed inward and outward by the elasticity of the material. (In this embodiment, not only each leg portion 3 itself is elastically deformed, but also the annular portion 2).
The leg portions 3 can also be elastically deformed inward and outward by being curved). As shown in FIG. 6, the outer surface 3a of each leg portion 3 forms an inclined surface that recedes inward toward the tip side when the leg portion 3 is not receiving an external force. As best shown in FIG.
A fitting portion 8 that is recessed toward the axis (center side) of the annular portion 2 is provided near the base of each leg 3. A socket contact portion (attached object contact portion in this embodiment) 9 forming a step is provided inside each leg 3.

The claw portion 4 is provided at the tip of each leg portion 3 so as to project inward. The claw portion 4 is formed with an inclined surface 4a at the tip end side of each leg portion 3, which is inclined toward the annular portion 2 toward the inside. Two of the wall portions 5 are provided side by side between the leg portions 3.
Respectively form low walls curved so as to form a part of a cylindrical surface coaxial with the annular portion 2, and extend from the inner circumference of the annular portion 2 in a direction parallel to the axis of the annular portion 2. The tip surfaces of these wall portions constitute socket contact portions 5a, which have the same height as the socket contact portions 9 with the annular portion 2 as a reference (these socket contact portions 5a are also formed. Further, it becomes the attached object contacting portion in this embodiment together with the socket contacting portion 9).

7 to 11 show that in this embodiment, the lamp socket 10 is provided in the mounting hole 7 of the plate member 6 using the mounting tool 1.
The process of attaching (the attached object in the present embodiment) is shown. Next, this will be described. First, as shown in FIGS. 7 and 8, the leg portion 3 of the fixture 1 is inserted into the mounting hole 7 of the plate-shaped member 6 from the front side of the plate-shaped member 6 with the tip of the leg 3 being the head. Go. Then, as shown in FIG. 9, the outer peripheral surface of the wall portion 5 fits into the mounting hole 7, the fitting portion 8 fits into the peripheral portion of the mounting hole 7 of the plate-shaped material 6, and the annular portion 2 The back surface of is in contact with the surface of the plate member 6. This allows
The fixture 1 is securely attached to the plate-shaped member 6.

In this embodiment, the outer surface 3 of each leg 3 is
Since a forms an inclined surface that recedes inward as it goes to the tip side, as described above, the leg portion 3 of the fixture 1 is attached to the attachment hole 7.
As the legs 3 are inserted from the tip side thereof, each leg 3 is naturally pushed by the peripheral edge of the mounting hole 7 and elastically deforms inward. Therefore, each leg 3 is very easily inserted into the mounting hole 7 and fitted. The peripheral portion of the mounting hole 7 can be fitted into the portion 8. However, in the present invention, the outer side surface 3a of each leg portion 3 does not necessarily have to form the slope as described above, and in that case, each leg portion 3 is elastically deformed inward by pushing with a finger or the like. It may be inserted into the mounting hole 7.

As shown in FIGS. 9 to 11, the lamp socket 10 has a cylindrical shape with a bottom, and a flange 11 is provided near the bottom. The portion of the lamp socket 10 other than the flange portion 11 has an outer diameter slightly smaller than the inner diameter of the annular portion 2. A lamp 12, which is an incandescent light bulb, is detachably attached to the lamp socket 10 so as to protrude from the tip of the lamp socket 10.

After the fixture 1 is attached to the plate-like member 6 as described above, the lamp socket 1 as shown in FIGS. 9 and 10.
0 is inserted from the back side of the plate-shaped member 6 into the annular portion 2 and between the leg portions 3 with its tip as the leading end. Then, FIG.
As described above, the edge portion 11a on the tip side of the flange portion 11 of the lamp socket 10 abuts on the slope 4a of the claw portion 4 of the fixture 1 and elastically deforms each leg portion 3 to open outward. Then, the tip end surface 11b of the flange portion 11 has the socket contact portion 9
When the lamp socket 10 is inserted into the annular portion 2 and between the leg portions 3 until it comes into contact with the hook portions 5 and 5a, the flange portions 11 pass through the claw portions 4 and the respective leg portions 3 return to the inner side by elasticity, and the claw portions 4 Engages with the edge portion 11c on the bottom side of the flange portion 11, and the lamp socket 10 engages with the socket contact portion 9 of the fixture 1.
It is in a state of being sandwiched between the and 5a and the claw portion 4. As a result, the lamp socket 10 is attached to the fixture 1, and thus to the plate member 6. In this mounting completed state, the tip end side of the lamp socket 10 is in a state of penetrating the annular portion.

As described above, according to the present fixture 1 and the attachment structure, the object to be attached (lamp socket 10) can be attached to the plate-like member 6 by a simple operation by only one operator. .

Further, since it is not necessary to provide a screw portion on the fixture 1 and the lamp socket (object 10 to be attached) and it is not necessary to provide a protruding portion on the attachment hole 7, the cost can be reduced.

Further, since the mounting hole 7 can be covered with the annular portion 2 of the mounting tool 1, the appearance of the mounting portion can be made beautiful.

In the figure, the lamp socket 10 is attached to the fixture 1 with the lamp 12 attached to the lamp socket 10, but the lamp socket 10 is attached to the fixture 1 without the lamp 12 attached. It goes without saying that the lamp 12 can be attached and then the lamp 12 can be attached to the lamp socket 10.

Further, in the above-described embodiment, the annular portion 2 and the mounting hole 7 of the mounting tool 1 are circular, but in the present invention, the annular portion and the mounting hole of the mounting tool are not necessarily circular. Good.

Further, although two legs 3 are provided in the above embodiment, the number of legs 3 may be two or more in the present invention.

Although the above-described embodiment is an example in which the present invention is applied to a fixture and a mounting structure of a lamp socket, the present invention is a fixture and a mount of a switch, a connector, and other mounted objects other than the lamp socket. It can also be applied to the structure.

Further, it goes without saying that the plate-shaped material in the present invention is not limited to a plate-shaped material, and may have a box shape, a curved surface shape or the like.

[0036]

As described above, according to the fixture and the attachment structure of the present invention, (a) only one operator can attach the object to be attached to the plate-like member by a simple attaching operation. (B) Since it is not necessary to provide a threaded portion on the fixture and the object to be attached and it is not necessary to provide a projecting portion on the attachment hole, the cost can be reduced. (C) The attachment hole is an annular portion of the attachment. Since it can be covered, an excellent effect such as a beautiful appearance can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a fixture according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the attachment of the embodiment as viewed from the side opposite to FIG.

FIG. 3 is a plan view showing the fixture of the embodiment.

FIG. 4 is a front view showing the attachment of the embodiment.

FIG. 5 is a bottom view showing the fixture of the embodiment.

FIG. 6 is a sectional view taken along line VI-VI in FIG.

FIG. 7 is a cross-sectional view showing a state before the attachment is attached to the plate-shaped member in the embodiment.

FIG. 8 is a cross-sectional view showing a state in which the attachment tool is being inserted into the attachment hole of the plate-shaped member in the above-described embodiment and has started to be inserted.

FIG. 9 is a cross-sectional view showing a state in which attachment of the fixture to the plate-shaped member is completed and a state before attachment of the lamp socket to the fixture in the embodiment.

FIG. 10 is a cross-sectional view showing a state in which the lamp socket is being inserted into the fixture attached to the plate-shaped material in the embodiment.

FIG. 11 is a cross-sectional view showing a state where all the mounting work is completed in the embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Mounting tool 2 Annular part 3 Leg part 3a Outer surface of leg part 4 Claw part 5a Socket contact part (mounting object contact part) 6 Plate-like material 7 Mounting hole 8 Fitting part 9 Socket contact part (mounting target) Object contact part) 10 Lamp socket (attached object) 11c Edge part on the bottom side of the flange part (predetermined part with which the claw part engages)

Claims (2)

[Claims] 1. A mounting tool for mounting an object to be mounted in a mounting hole provided in a plate-shaped member, comprising: an annular portion; a plurality of legs extending from the annular portion in a direction substantially parallel to an axis of the annular portion; A fitting portion that is formed near the base of the leg portion and that is recessed toward the axis of the annular portion, a claw portion that is provided at the tip of the leg portion, and that protrudes inward, and an attachment object contact portion. And, from the front side of the plate-shaped material into the mounting hole, while the leg portion is inserted while elastically deforming inward, the mounting hole of the plate-shaped material in the fitting portion. The peripheral portion of the plate member is fitted to the plate member so that the leg portion is attached to the plate member while protruding to the back side of the plate member. And the object to be attached is inserted into the annular portion while elastically deforming the leg portion outward. When the attached object is inserted between the leg portions and in the annular portion until the attached object abuts on the attached object abutting portion, the leg portions are elastically returned to the inside and the claw portions are An attachment tool that engages with a predetermined portion of an attachment, and the attachment object is in a state of being sandwiched between the attachment contact portion and the claw portion. 2. A plate-shaped member provided with a mounting hole, an annular portion, a plurality of legs extending from the annular portion in a direction substantially parallel to the axis of the annular portion, and formed near the base of the leg. A fitting portion that is recessed toward the axial side of the annular portion, a claw portion that is provided at the tip of the leg portion and that protrudes inward, and an attached object contact portion, and From the front side of the plate-shaped material, into the mounting hole, as it is inserted while elastically deforming the leg portion inward, the peripheral portion of the mounting hole of the plate-shaped material is fitted to the fitting portion, As a result, a fixture that is attached to the plate-shaped material in a state where the leg portion is projected to the back side of the plate-shaped material, and the fixture of the attachment that is attached to the plate-shaped material from the back side of the plate-shaped material. Between the legs and in the annular portion, there are attached objects to be inserted while elastically deforming the legs outward, When the attached object is inserted between the leg portions and in the annular portion until it comes into contact with the attached object contact portion, the leg portions return to the inside due to elasticity, and the claw portion predetermined for the attached object. A mounting structure that engages with a portion and that the mounted object is sandwiched between the mounted object contact portion and the claw portion.