JPS633452Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The present invention is a method for temporarily fixing a fastener made of a bolt or nut at a desired position of a part when attaching a part to a required plate member. The present invention relates to a temporary fixing device for fasteners.

[Conventional technology]

When attaching parts using fasteners such as bolts and nuts to the back side of a plate-like member constituting a certain device from the outside of the plate-like member, there is a possibility that the fasteners may come off from the mounting holes of the parts. , parts installation work is extremely difficult. Therefore, it is necessary to temporarily fasten the fastener to the component in advance.

For example, conventional temporary fixing of bolts to resin molded parts involves molding the bolt integrally with the resin molded part, or applying serration processing to a portion of the bolt and inserting it into the serration hole of the part. It was done by press fitting.

[Problem that the invention attempts to solve]

However, the former method has the disadvantage of increasing the cost of the parts, and the latter method makes it difficult to set the fitting dimensions between the bolt and the resin molded part, and if the fitting is too tight, In the period,
There were problems such as cracks occurring in resin molded parts and parts being damaged.

An object of the present invention is to provide a temporary fixing device for fasteners that solves these problems.

[Means for solving problems]

The device for temporarily fastening fasteners of the present invention temporarily fastens fasteners such as bolts and nuts, which have a washer with a wider width on the lower surface of the bolt head or nut, to the parts to be fastened. A temporary fixing device for a fastener, wherein a pair of side walls facing in the front-rear direction are erected on the substrate of the component, facing each other with an interval larger than the width of the washer, and on the inner surface of each side wall,
The distance between the inner surfaces is approximately the same as or larger than the distance between the heads of the bolts or the narrow parts of the nuts, and a side edge of the washer for insertion is provided between the lower surface and the top surface of the substrate. A slit is formed, and a pair of protrusions are provided parallel to the base plate, a mounting hole is formed in the base plate for inserting the threaded portion of the bolt, and a washer is inserted into the slit, and a pair of protrusions parallel to the base plate are provided. By slidably fitting the head of the bolt or nut between the inner surfaces, the vertical and horizontal movement of the bolt or nut is restrained with respect to the substrate, and the front and rear movement of the bolt or nut is restrained. The movement in the direction is controlled by an appropriate stopping means provided on the substrate or side wall at one end of the protrusion, and a base connected to the substrate or side wall at the other end of the protrusion, and a distal end portion connected to the washer. , the bolt or nut is restrained by an elastic tongue protruding into the locus of movement of the bolt or nut along the protrusion.

[Embodiments] Hereinafter, embodiments of the present invention will be described based on the accompanying drawings.

A window regulator 1 shown in FIG. 1 is a device for raising and lowering a window glass of an automobile door. An automobile door consists of an outer panel (not shown) and an inner panel 2 whose periphery is fixed to the outer panel.

The window regulator 1 includes a carrier plate 3 to which the base of a window glass is fixed, a guide rail 4 that guides the carrier plate 3 in the vertical direction, and a drive unit 6 and a motor 7 attached to a support frame 5. The guide rail 4 and support frame 5 are fixed to the inner surface of the inner panel 2, respectively.

Two wires 8 and 9 that run in opposite directions are extended from a rotating drum (not shown) in the drive unit 6, and one wire 8 passes through a guide roller 11 and has its end connected to the carrier plate 3. The other wire 9 is fixed at its end to the carrier plate 3 through a guide groove (not shown) formed in the support portion 4a of the guide rail 4. By driving the drive unit 6, the carrier plate 3 supporting the window glass is raised and lowered along the guide rail 4.

The front end of the motor 7 is fixed to the support frame 5, but in order to prevent the free end from vibrating due to the impact when the door is opened and closed, the center part of the motor 7 is attached to the inner wall as will be described later. It is held by a holding member 12 fixed to the panel 2.

As clearly shown in FIGS. 2 to 8, the holding member 12 is a component to be fastened to the inner panel 2, and includes a horizontally long box-shaped mounting portion 13 that opens upward, and one side thereof. Pipe section 14 arranged in the section
It is made of integrally molded synthetic resin. Inside the pipe portion 14, there are a plurality of protrusions 1 which are plastically deformed and engaged with the motor 7 when it is fitted therein.
5 is provided in the axial direction.

Head 16 of bolt 16 used as a fastener
A washer 17 is provided on the lower surface side of a to prevent it from coming off. This washer 17 may be formed integrally with the head 16a.

A horizontally long mounting hole 19 facing the longitudinal direction of the mounting portion 13 is bored in the substrate 18 forming the bottom plate of the mounting portion 13 of the holding member 12, and the threaded portion 16b of the bolt 16 is inserted through this. This mounting hole 1
The shape and position of 9 will be described later.

On the upper surface of the peripheral edge of the board 18 in the mounting portion 13, there is a pair of left and right side walls 20a, 20b facing in the front-rear direction and parallel to each other, and a front side wall having an arcuate planar shape and connecting the front ends of the side walls 20a, 20b. wall 20
A frame-shaped upright wall 20 is erected, and includes a rear wall 20d that connects the rear end portions of both side walls 20a and 20b.

The distance between the inner surfaces of the side walls 20a and 20b is approximately equal to or slightly larger than the width of the washer 17 (see FIGS. 7 and 8).

A slit 21 for inserting the side edge of the washer 17 is formed between the lower surface 22a and the upper surface of the substrate 18 on the inner surface of the front end of the side walls 20a, 20b.
The distance between the inner surfaces 22b is determined by the head 16 of the bolt 16.
Almost the same as the spacing of the narrow part which is the parallel part of a,
A pair of protrusions 22 are provided parallel to the substrate 18.

Further, on the inner surface of the front wall 20c, both side walls 20a,
so as to connect the front ends of the protrusions 22 of 20b,
A protrusion 22 is provided.

Therefore, the protrusion 22 as a whole has a planar U-shape with a closed front end, and the inner surface 22
b forms an engaging portion 23 for inserting the head 16a of the bolt 16 that opens toward the rear.

A slit 21a having the same size and thickness as the slit 21 is bored at the lower end of the front wall 20c. This slit 21a is formed to allow a template (not shown) for forming the slit 21 to come out during resin molding of the holding member 12.

Thus, the washer 17 is attached to the slit 21, and the engaging portion 2 formed by the inner surface 22b of the protrusion 22 is inserted.
By slidably fitting the heads 16a of the bolts 16 into the base plate 18, the vertical and horizontal movements of the bolts 16 are restrained, and the narrow portions of the heads 16a of the bolts 16 are is held between both inner surfaces 22b of the protrusion 22 to prevent the bolt 16 from rotating.

In the first embodiment, the mounting hole 19 has two positions: one where the bolt 16 and the washer 17 are completely engaged with the inner end of the protrusion 22, as shown in phantom lines in FIG. As shown by the solid line, it is an elongated hole facing in the front-rear direction and having a length corresponding to the movement range of the threaded portion 16b of the bolt 16 when moving between the attaching and detaching position where it is completely separated from the protrusion 22.

On both sides of the intermediate portion of the mounting hole 19, the tip portions are inclined inward toward the temporary fixing position within the movement locus along the protrusion 15 from the attachment/detachment position of the threaded portion 16b of the bolt 16 to the temporary fixing position. The bases of a pair of elastic tongues 24 that protrude in this state are connected to each other.

The elastic tongue piece 24 allows the bolt 16 to move from the attachment/detachment position to the temporary fixing position, but prevents it from moving from the temporary fixation position to the attachment/detachment position.

Thus, once the bolt 16 and washer 17 are inserted into the temporary locking position, forward movement of the bolt 16 is prevented by the stop means formed by the front wall 20c and the ridge 22 on its inner surface, and the bolt 16 is prevented from moving forward. 16 is restrained from moving backwards by the elastic tongue piece 24.

The washer 1 is attached to the holding member 12 formed in this way.
After temporarily tightening the bolt 16 with 7, in order to fasten it to the inner panel 2, etc., first insert the threaded portion 16b of the bolt 16 into the mounting hole 1 at the attachment/detachment position.
9 and bring the lower surface of the washer 17 into close contact with the upper surface of the substrate 18.

Next, the head 16a of the bolt 16 is inserted into the engaging portion 23.
Then, the washer 17 is engaged with the slit 21, respectively, and the bolt 16 and washer 17 are inserted into the elastic tongue piece 2.
4, and move it forward to the temporary fixing position while expanding it to the left and right.

When the bolt 16 and washer 17 reach the temporary fixing position, the elastic tongue 24 returns to its original position due to its elasticity, and the bolt 16 and washer 17 are prevented from moving up and down, left and right, and back and forth, as described above. It is also stopped from rotating.

In this state, after fitting the tube part 14 of the holding member 12 to the motor 7, the threaded part 16b of the bolt 16 temporarily fastened to the holding member 12 is tightened as shown in FIGS.
As shown in the figure, the mounting hole 2 of the inner panel 2
a, then tighten the nut 25 that is screwed into the threaded portion 16b.
The holding member 12 can be easily attached to the back side of the holder.

In the above-described first embodiment, the distance between both inner surfaces 22b of the protrusion 22 is set to the head 16a of the bolt 16.
The bolt 16 is prevented from rotating by inserting the head 16a of the bolt 16 between the narrow parts of the narrow part 22.
The distance between the bolts 16a and 16b may be made larger than the distance between the narrow portions of the heads 16a of the bolts 16, so that the bolts 16 are not prevented from rotating.

In the above embodiment, a case has been described in which the bolt 16 is used as a fastener that is temporarily fastened to the component consisting of the holding member 12, but it is also possible to temporarily fasten the bolt 16 as a fastener, which will be described later. A device for temporarily fixing a nut to a holding member will be explained with reference to FIG. 9 and subsequent figures. Components having the same functions as those in the above embodiment are designated by the same reference numerals, and the explanation thereof will be omitted.

FIG. 9 shows a nut 27 with a washer, in which a washer 26 is integrally formed on the lower surface side.

In FIGS. 10 and 11, the holding member 2
At the end of the attachment part 29 of 8, the attachment part 13
A protrusion 22 and slits 21, 21a similar to the above are formed. The engaging portion 23 formed by the inner surface 22b of the protrusion 22 has the nut 27
The narrow part on the side surface of the connector is designed to fit loosely. The front end of the board 31 of the mounting part 29,
A circular mounting hole 32 is located at a position corresponding to the screw hole of the nut 27 when the nut 27 and the washer 26 are located at the temporary fixing position where they engage with the rear end of the protrusion 22.
is drilled.

Both side walls 20a, 2 behind the mounting hole 32
On the inner surface of 0b, the bases of a pair of elastic tongues 33 whose tips face forward and incline mutually inward are connected.

At the tip of the elastic tongue piece 33, a nut 27 is positioned near the circumferential surface of the washer 26 when the nut 27 is in the temporary fixing position.

In order to temporarily fasten the nut 27 to the holding member 28 formed in this way, the nut 27 is brought into contact with the base plate 31 at the attachment/detachment position on the right side of the elastic tongue piece 33, and in this state, the nut 27 is The washer 26 is moved forward so that it engages with the slit 21.

During the forward movement of the nut 27, the circumferential surface of the washer 26 presses and bends the tongue piece 33, and then rides over the tip of the tongue piece 33.

When the nut 27 reaches the temporary fixing position, its screw hole is located above the mounting hole 32, and the nut 27
Similar to the bolt 16 of the first embodiment, its movement in the front and back, left and right, and up and down directions is all prevented and rotation is prevented.

A holding member 28 to which a nut 27 is temporarily fixed in advance
is brought into contact with the inner surface of the inner panel 2 at a predetermined position, as shown in FIGS. 12 and 13, and then
By inserting the bolt 35 from the front side of the inner panel 2 and screwing the threaded portion 36 into the nut 27, the holding member 28 can be easily attached to the inner panel 2.

Note that the elastic tongue pieces 2 of the holding members 12 and 28
4 and 33 are formed in pairs, but the elastic tongue pieces 24 and 3 can be used as long as they have a shape that can restrain the bolt 16 and nut 27 at the mounting position.
Only one number 3 may be provided.

[Effect of idea]

As described above, according to the present invention, when attaching parts such as holding members using fasteners such as bolts and nuts with washers, a slit for holding the washers is provided at the mounting hole position of the part. The fastener can be temporarily fixed to a component such as a holding member by a simple mechanism in which a free end of an elastic tongue is provided near the fastener to prevent the fastener from coming off. Therefore, it is possible to easily attach components to the back side of the plate-shaped member, and it is possible to efficiently arrange components inside the device, which is difficult for an operator to do manually.

[Brief explanation of drawings]

FIG. 1 is a front view of an automobile wind regulator to which the present invention is applied, and FIG. 2 is a part of a part consisting of a holding member equipped with a temporary fixing device for fasteners, showing an embodiment of the present invention. The perspective view shown in FIG. 3 is
Similarly, the plan view, FIG. 4, is A-A in FIG. 3.
The line cross-sectional arrow view, FIG. 5, is taken from B-B in FIG.
6 is a cross-sectional view taken along the line C--C in FIG. 3 of the holding member after temporarily tightening the bolt, and FIG.
The cross-sectional view taken along line D-D in FIG. 6 and FIG. 8 are as follows:
6 is a view in the direction of arrow E, FIG. 9 is a side view of the nut with washer, FIG.
Figure 1 is a view taken along the line E-E in Figure 10, and Figure 12.
10 is a cross-sectional view taken along the line FF in FIG. 10, FIG. 13 is a cross-sectional view taken along the line G-G in FIG. 12, and FIG. 14 is a cross-sectional view taken along the line GG in FIG.
2 is a view taken along arrow H in FIG. 2. FIG. 2... Inner panel (plate-like member), 12...
Holding member (component), 13... Mounting part, 16...
Bolt (fastener), 16a... head, 16b...
Threaded portion, 17... Washer, 18... Board, 19...
Mounting hole, 20a, 20b...Side wall, 21...Slit, 22...Protrusion, 24...Elastic tongue piece, 26
...Washer, 27...Nut (fastener), 28...
Holding member (component), 29... Mounting part, 31...
Board, 32...Mounting hole, 33...Elastic tongue piece.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A fastener such as a bolt or nut that has a washer with a wider width on the head of the bolt or the lower surface of the nut is temporarily secured to the part to be fastened. A temporary fastening device for a fastener, wherein a pair of side walls facing in the front-rear direction are erected on the substrate of the component, and face each other with an interval larger than the width of the washer, and an inner surface is provided on the inner surface of each side wall. The spacing between the bolt heads or the narrow width portion of the nut is approximately the same as or larger than the spacing between the heads of the bolt or the narrow part of the nut, and a slit for inserting the side edge of the washer is provided between the bottom surface and the top surface of the substrate. At the same time, a pair of protrusions parallel to the base plate are provided, and a mounting hole for inserting the threaded part of the bolt is formed in the base plate, a washer is inserted into the slit, and a pair of protrusions are provided on the inner surfaces of the protrusions. By slidably fitting the bolt head or nut between them, the vertical and horizontal movement of the bolt or nut is restrained with respect to the substrate, and the longitudinal movement of the bolt or nut is restrained. Movement is controlled by an appropriate stopping means provided on the substrate or side wall at one end of the protrusion, and a base connected to the substrate or side wall at the other end of the protrusion, and a distal end connected to the washer or bolt. Alternatively, a temporary fixing device for a fastener, characterized in that the nut is restrained by an elastic tongue that enters into the locus of movement of the nut along the protrusion. (2) The distance between the inner surfaces of both protrusions is approximately the same as the distance between the head of the bolt or the narrow part of the nut, and the head of the bolt or the narrow part of the nut is connected to the inner surface of the bolt. 2. A temporary fixing device for a fastener according to claim (1), which prevents the bolt or nut from rotating with respect to a substrate by sandwiching the bolt or nut. (3) In a case where the bolt is temporarily fastened to the board, the mounting hole is such that the bolt and washer are
Utility model registration Claim No. Temporary fixing device for fasteners described in paragraph 1) or paragraph (2). (4) In a device in which the nut is temporarily fixed to the board, the mounting hole is inserted into the nut and the washer.
Utility model registration claims Paragraph (1) or (2) is a circular hole drilled at a position corresponding to the screw hole of the nut when the nut is positioned at a predetermined temporary fixing position that engages with the protrusion. Temporary fixing device for fasteners described in item ).