JPS5922334Y2 - Bolt temporary fixing plate - Google Patents

Description

[Detailed description of the invention] This invention is a bolt temporary fixing plate used when tightening bolts in various machines, appliances, devices, etc., especially for automobile chassis, frames, engines, various drive devices, etc. It relates to a bolt temporary fixing plate used when tightening bolts directly or indirectly through an elastic body, such as accessory parts.

Generally, when attaching an engine, various drive devices, and other accessory parts to an automobile chassis frame by tightening bolts, bolt holes are first formed at predetermined positions in the chassis frame, and then bolt holes are formed at predetermined positions in the chassis frame. Various parts have been attached by passing bolts through the bolt holes.

However, when attaching various parts to the chassis frame in this way, when a nut is tightened on the bolt, during the tightening process, the bolt rotates in the same direction as the nut. When tightening the nut, the head of the bolt had to be supported with a wrench, spanner, etc. to prevent the bolt from rotating.

Furthermore, depending on the position of the chassis frame, it may not be possible to prevent the bolt from rotating as described above, and in particular, if the bolt is positioned with the tip facing upward, the bolt may not fit into the bolt hole. They tend to come off easily, making tightening work extremely difficult.

Also, after passing a bolt through the bolt hole of the chassis frame, the head of the bolt is welded to the chassis frame to prevent the bolt from rotating and from coming off from the bolt hole. Although it is possible, such welding operations complicate assembly operations, reduce efficiency on the production line, and risk reducing the strength of the chassis frame.

The purpose of this invention is to make it extremely easy to temporarily tighten bolts into bolt holes formed in the chassis frame of various machines, instruments, devices, etc., such as when attaching various parts to the chassis frame of an automobile. ,Moreover,
Preventing the bolt from coming off the bolt hole, and
The purpose of the tightening is to provide a bolt temporary fixing plate that prevents the bolt from rotating during work, improves the efficiency of assembly work, and further reduces production costs.

With these issues in mind, the bolt temporary fixing plate of this invention consists of a temporary fixing plate main body, a bolt hole formed at a predetermined position in the temporary fixing plate main body, and a bolt head that is passed through the bolt hole. A bolt support part formed on one end side of the temporary fixing plate body so as to be rotationally supported on the temporary fixing plate body, a bending slot, and a plurality of bending slits arranged at appropriate intervals in the length direction. and a bent portion in which either of the bending grooves is formed on the other end side of the temporary fixing plate main body.

Hereinafter, preferred specific examples of the bolt temporary fixing plate according to this invention will be described with reference to the drawings.

1 to 3 show a specific example 10 of the bolt temporary fixing plate of this invention used for tightening bolts in the chassis frame 16 of an automobile.

This bolt temporary fixing plate 10 includes a temporary fixing plate main body 11 and a hole 1 formed on one side of the temporary fixing plate main body 11.
2 and the head 2 of the bolt 26 passed through the bolt hole 12
The bolt support portion 13 is formed by bending one end of the temporary fixing plate body 11 so as to support the temporary fixing plate body 11 in a rotating manner.
On the other side of 1, it is constituted by a folded part 14 forming a folded slot 15.

The temporary fixing plate main body 11 is formed from a steel plate in a rectangular shape so as to be attached to the lower surface of the upper flange 17 of the chassis frame 16, and one side of the temporary fixing plate main body 11 has bolt holes 12. It is formed.

The bolt support portion 13 has a bolt 26 threaded through its bolt hole 12, as best seen in FIG.
In order to prevent rotation of the head 27 of the temporary fixing plate 11, one end of the temporary fixing plate main body 11 is bent.

Of course, the bolt support portion 13 is configured not only to prevent the bolt 26 from rotating relative to the temporary fixing plate body 11 but also to prevent the bolt 26 from coming off the bolt hole 12.

The bending portion 14 is provided on the other side of the temporary fixing plate main body 11 and forms a bending slot 15 extending in the length direction of the temporary fixing plate main body 11. This facilitates bending on the other side.

Next, use the above-mentioned bolt temporary fixing plate 10 to attach the chassis.
To explain how to temporarily fasten the bolt 26 to the bolt hole 18 formed in the upper flange 17 of the frame 16, first, pass the bolt 26 through the bolt hole 12 of the bolt temporary fastening plate 10, and then tighten the bolt 26. The bolt holes 18 of the upper flange 17 are penetrated from below.

Of course, attach the bolt temporary fixing plate 10 to the lower surface of the upper flange 17, and insert the bolt hole 12 of the bolt temporary fixing plate 10.
The bolt 26 may also be passed through the bolt hole 18 of the upper flange 17 from below.

Then, one side of the temporary fixing plate main body 11 is bent downward, and the bent edge is further folded back toward the head 27 of the bolt 26 to form the bolt support portion 13, and the bolt 26 is prevented from rotating. To support.

The other side of the temporary fixing plate main body 11 that supports the bolt 26 in such a manner, that is, the side on which the bending slot 15 is formed, protrudes outward beyond the side edge of the upper flange 17.

Next, in such a state, the temporary fixing plate main body 1
1, in other words, the temporary fixing plate main body 11 on the side where the bending slot 15 is formed is bent upward along the side edge of the upper flange 17, and the bent edge is further , fold back so as to wrap around the side edge of the upper flange 17.

Of course, when bending the temporary fixing plate main body 11 in order to temporarily fix the bolt 26 as described above, by bending it with your fingers or hitting it with a tool such as a hammer,
The temporary fixing plate main body 11 is bent.

Therefore, the bolt 26 is extremely easily temporarily secured in the bolt hole 18 formed in the upper flange 17 of the chassis frame 16 by the bolt temporary securing plate 10, and furthermore, the bolt 26 is temporarily secured by the bolt support portion 13.
6 is prevented from coming off, and furthermore, the bolt 26 is prevented from rotating.

Of course, if the bolt 26 is passed through the bolt hole 12 of the temporary bolt fixing plate 10 in advance and one side of the temporary fixing plate main body 11 is bent to form the bolt support part 13,
When temporarily fastening the bolt 26 to the chassis frame 16, the bolt 26 can be temporarily fastened by simply passing the bolt 26 through the bolt hole 18 of the chassis frame 16 and bending the bent portion 14 as described above. is made easier.

FIG. 4 shows another specific example 20 of the bolt temporary fixing plate of this invention.
It shows.

This bolt temporary fixing plate 20 includes a temporary fixing plate main body 21 and a bolt hole 22 formed on one side of the temporary fixing plate main body 21.
and the head 27 of the bolt 26 passed through the bolt hole 22.
so as to be supported by being rotated around the temporary fixing plate main body 21,
A bolt support portion 23 formed by bending one end of the temporary fixing plate main body 21 and the temporary fixing plate main body 21
On the other side thereof, a bent portion 24 has a plurality of bent slits 25 formed at appropriate intervals in the length direction.

In the bolt temporary fixing plate 20, the temporary fixing plate main body 21,
The bolt hole 22 and the bolt support portion 23 are constructed substantially the same as those in the tenth embodiment described above, so their explanation will be omitted.

The bent portion 24 is the other side of the temporary fixing plate main body 21,
That is, by forming a plurality of bending slits 25 on the side opposite to the side where the bolt holes 22 are formed and at appropriate intervals in the length direction of the temporary fixing plate main body 21, the temporary fixing plate body 21 can be temporarily fixed. This facilitates bending of the other side of the stop plate main body 21.

Of course, the bent portion 24 may have any structure as long as it facilitates bending on the other side of the temporary fixing plate main body 21, and may be formed as appropriate in the longitudinal direction of the temporary fixing plate main body 21. A plurality of bending grooves (not shown) may be formed at intervals of .

Since the bolt temporary fixing plate 20 is used in the same manner as in the case of the above-mentioned specific example 10, the explanation of how to use it will be omitted.

Further, in the above-mentioned specific examples 10 and 20, the bolt support portion 13.23 is attached to the temporary fixing plate body 11°21.
The head 27 of the bolt 26 passed through the bolt hole 12.22 is welded to the temporary fixing plate body 11, 21 in advance, and the bolt 26 is formed by bending one side of the bolt 26. It is also possible to configure the support to prevent rotation.

According to this invention, a temporary fixing plate body, a bolt hole formed at a predetermined position in the temporary fixing plate body, a bolt support portion formed at one end side of the temporary fixing plate body, and the The bolt support part supports the head of the bolt passing through the bolt hole, and the bent part supports the head of the bolt passing through the bolt hole. The other end of the temporary fixing plate body can be easily bent, and the other end of the temporary fixing plate body can be bent to wrap around various machines, instruments, devices, etc., such as the chassis frame of an automobile. Because the bolt is easily temporarily secured in the bolt hole formed in the chassis frame, the bolt support part prevents the bolt from coming off the bolt hole, and furthermore, the bolt This prevents the bolt from turning, making it possible to tighten the bolt without using a wrench or spanner to prevent the head from turning, improving assembly efficiency and lowering production costs. , becomes extremely practical.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing a specific example of the bolt temporary fixing plate of this invention used for tightening bolts in the chassis frame of an automobile and other specific examples, and Fig. 2 is a specific example of the bolt temporary fixing plate of this invention. FIG. 3 is a partial side view of the bolt temporary fixing plate showing the bolt support part that supports the bolt in rotation, and FIG. 4 is another specific example of the bolt temporary fixing plate of this invention. FIG. 10, 20... Bolt temporary fixing plate, 11.21.
... Temporary fixing plate body, 12.22 ... Bolt hole, 13.23 ... Bolt support part,
14.24...Bending part, 15...
Bending slot, 25...Bending slit.

Claims (1)

[Scope of claim for utility model registration] A temporary fixing plate body, a bolt hole formed at a predetermined position in the temporary fixing plate body, and a head of a bolt passed through the bolt hole around the temporary fixing plate body. A bolt support portion formed on one end side of the temporary fixing plate main body so as to support the temporary fixing plate, a bending slot, and a plurality of bending slits and bending grooves arranged at appropriate intervals in the length direction. and a bent portion formed on the other end side of the temporary bolt plate main body.