JPH078887Y2 - Pipe clamp device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a pipe clamp device used for fixing a brake device and other pipes.

<Prior Art> As the piping in the brake device, for example, as shown in FIG. 13, a joint 3 attached to a back plate 2 of a wheel brake device 1 to two wheel cylinders (not shown) to a brake pipe 4, There are some pipes by 5.

In such a pipe, there is a possibility that the brake pipes 4, 5 may be moved or deformed, especially in the middle portion, due to the vibration of the vehicle, so that the middle portion is fixed to the dust cover 7 via the pipe clamp mechanism 6, for example. is doing.

Conventionally used pipe clamp mechanisms 6 are shown in FIGS. 9 to 12, which will be described in order.

The one shown in FIG. 9 has an L with an open fork-shaped portion 8a.
The bracket 8 is fixed to the dust cover 7 in the piping direction by the direction regulating projections 8b and the rivets 9 and the like, flanges 10a are formed on both sides and a circumferential groove 10b is formed in the middle, and the pipe is held in the center. A clamp rubber 10 having a hole 10c and a slit 10d formed from the hole 10c toward the periphery is prepared. After holding the pipes 4 and 5 in the pipe holding hole 10c through the slits 10d of the clamp rubber 10, a circumferential groove is formed.
The clamp rubber 10 is fixed by fitting the portion 10b into the fork-shaped portion 8a of the L-shaped bracket 8.
Figure 10 shows a plate-shaped foldable clip band.
A pipe material holding portion 11a is formed at the folded back portion of 11, the pipes 4 and 5 are placed on the pipe material holding portion 11a, and the vicinity of the end opposite to the pipe material holding portion 11a is fixed to the dust cover 7 by a bolt nut 12. Is.

In FIG. 11, the box-shaped clamp 13 having the slit 13a formed by welding and fixed to the dust cover 7 via the bracket 14, the pipe holding hole 15a in the center, and the slit 15b from the hole 15a toward the periphery are formed. Prepare the square shaped clamp rubber 15 for each, and attach the pipes 4 and 5 to the clamp rubber 15.
After holding it in the pipe holding hole 15a through the slit 15b of
The clamp rubber 15 is fitted and fixed in the box-shaped clamp 13.

FIG. 12 shows a clamp rubber 16 made of a relatively hard synthetic rubber or the like, which has a pipe holding hole 16a formed at the center thereof, and a slit 16b provided upwardly from this to form a stopper arm 16c and a bending arm 16d. In addition to being formed, a mounting portion 16e for attaching to the dust cover 7 is formed on the lower surface, and the pipes 4 and 5 are held in the pipe holding hole 16a through the slit 16b while opening the bending arm 16d.

<Problems to be Solved by the Invention> However, in the case of FIGS. 9 to 11 described above, not only the number of parts is large and the management is complicated, but also the assembling is troublesome.

Other than the above, in FIG. 9, the clamp rubber 10 is held by friction between the circumferential groove 10b of the clamp rubber 10 and the fork-shaped portion 8a of the L-shaped bracket 8.
It may come off from the character bracket 8. Further, in the case of FIG. 10, only the end portion of the clip band 11 on the opposite side of the pipe material holding portion 11a is fixed to the dust cover 7 by the bolt nut 12, so that the bolt nut 12 is prevented by the vibration of the pipes 4 and 5. It may loosen and eventually come off. Also, in the case of FIG. 11, it is necessary to weld the clamp rubber 15 to the bracket 14 and the bracket 14 to the dust cover 7, respectively, which requires a lot of labor.

In the case of FIG. 12, there is no problem of the above-mentioned management complexity and trouble of assembling, but the direction of the pipes 4 and 5 cannot be regulated, and since the clamp rubber 16 is made of synthetic rubber or the like, When an unexpected force is applied to the pipes 4 and 5 due to aging, the pipes 4 and 5 are bent by the bending arm 16.
There is a risk of opening d and pulling it out.

The present invention has been made to solve the above inconvenience,
It is an object of the present invention to provide a highly reliable pipe clamp device which has a small number of parts, does not require assembling and preparation thereof, and does not come off due to vibration of a vehicle.

<Means for Solving the Problems> The structure of the pipe clamp device of the present invention for achieving the above-mentioned object is to form a holding plate that is cut and raised from a mounting plate and has its tip bent and a groove into which the holding plate is fitted. In addition, the pipe material holding hole is penetrated so as to be parallel to the mounting plate and at a right angle to the holding plate, and cut to the peripheral surface, and a projection portion that fits into the cut-raised hole of the holding plate is formed on the lower surface. Made of clamp rubber.

<Operation> In the pipe clamp device of the present invention having the above-described configuration, first, the clamp rubber is opened to the left and right from the slit portion and hung on the middle portion of the pipe material, and the clamp rubber is further pushed down (or the pipe material is pulled in) to remove the pipe material. Fit into the pipe material holding hole.

The position of the clamp rubber is adjusted so that both ends of the pipe material to which the clamp rubber is attached as described above can be attached to the joint and the wheel cylinder described later, and here, the groove of the clamp rubber is fitted to the presser plate. On the other hand, if the protrusion is pushed under the tip and the protrusion is press-fitted into the cut-and-raised hole, the pipe member is fixed to the mounting plate via the clamp rubber.

As a result, the vibration of the pipe material is absorbed by the clamp rubber, and even when some force is applied to the pipe material and its position is about to move, the restraint plate, the cut-and-raised hole, and the protruding portion press-fitted into the hold-down plate. The movement is prevented.

<Embodiment> An embodiment of the present invention will be described in detail with reference to FIGS. The same reference numerals as those in FIG. 9 and subsequent figures indicate the same members, the same parts, or the same portions.

In the figure, 20 is a back plate according to the present invention,
As shown in the figure, a portion 20a extended and formed in the vicinity of the middle portion of the brake pipe 4 (similar to the brake pipe 5) is cut at a substantially right angle with the pipe 4 when the 20 is press-molded. A restraining plate 21 is formed, and its tip 21a is bent in parallel with the surface of the back plate 20.

22 is a clamp rubber made of weather-resistant synthetic rubber or the like, and has a chevron-shaped block as a whole, and a groove 22a into which the pressing plate 21 is fitted is formed on one of its side surfaces, and the back plate 20 and The pipe material holding hole 22b is penetrated so as to be parallel and at a right angle to the pressing plate 21, and cut from here to the lower surface as indicated by reference numeral 22c, and on the lower surface, the cut-and-raised holes 20b of the pressing plate 21 are relatively formed. A rectangular protrusion 22d that tightly fits is formed.

In addition, in the present embodiment, the cut portion 22c is formed from the pipe material holding hole 22b to the lower surface of the clamp rubber 22, but it is not limited to the lower surface, and the pipe material holding hole 22b is not limited thereto.
Can be formed between the holding hole 22b and the peripheral surface in the direction perpendicular to the holding hole 22b, for example, between the upper surface and the side surface. However, as the peripheral surface other than the lower surface, the peripheral surface surrounded by the restraining plate 21 is desirable from the certainty of holding the pipe 4. Further, reference numeral 22e in the drawing denotes a pipe introduction groove formed in the slit portion 22c of the protrusion 22d.

The pipe clamp device of the present invention configured as described above is
First, as shown in FIG. 7, the clamp rubber 22 is opened from the slit portion 22c to the left and right and hung on the middle portion of the pipe 4, for example, and the clamp rubber 22 is further pushed down (or the pipe 4 is pressed).
Then, the pipe 4 is fitted into the pipe material holding hole 22b.

The position of the clamp rubber 22 is adjusted so that both ends of the pipe 5 to which the clamp rubber 22 is attached as described above can be attached to the joint 3 and the wheel cylinder (not shown). While fitting 22a to the restraining plate 21, by pushing under the tip 21a of the restraining plate 21 and press-fitting the protruding portion 22d into the cut-and-raised hole 20b, the pipe 4 is clamped through the clamp rubber 22. Fixed to the back plate 20.

As a result, the vibration of the pipe 4 is absorbed by the clamp rubber 22, and even when some force is applied to the pipe 4 and its position is about to move, it is pressed into the restraining plate 21 and the cut and raised hole 20b and this. The protrusion 22d prevents the movement.

<Effects of the Invention> The pipe clamp device of the present invention comprises a restraint plate which is cut and raised from a mounting plate and whose tip is bent, and a groove into which the restraint plate fits, and which is parallel to the mounting plate. Since it is made of a clamp rubber that penetrates the pipe material holding hole so as to be perpendicular to and cuts to the peripheral surface and also has a protrusion formed on the lower surface to fit into the cut-and-raised hole of the pressing plate, the pressing plate is, for example, It can be formed at the same time when the mounting plate such as a back plate is press-molded, and substantially only the clamp rubber needs to be prepared, so the number of parts is small, and its directionality is uniquely determined. Since it is only necessary to fit or press fit into the restraining plate and the cut-and-raised hole with the clamp rubber fitted to the pipe material, the assembly and preparation for it can be done easily, and the pipe material can be attached to the pipe material due to vibration of the vehicle. Something Even if a force is applied, the movement is prevented by the restraint plate, the cut-and-raised hole and the protruding portion press-fitted into the cut-and-raised hole, and there is no fear that the pipe material will come off. There is an effect that can be provided.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view of the pipe clamp device of the present invention,
2 is the same plan view, FIG. 3 is the same perspective view, and FIG. 4 is a plan view of the clamp rubber in the pipe clamp device of the present invention.
FIG. 5 is a front view of the same, FIG. 6 is a bottom view of the same, and FIG. 7 is a perspective view showing a state where the clamp rubber is attached to the pipe material and a restraining plate.
FIG. 8 is a partial front view of a vehicle brake device equipped with the pipe clamp device of the present invention, FIGS. 9 to 12 show a conventional pipe clamp device, FIG. 9 (a) is a side view, and others are FIG. 13 is a front view, and FIG. 13 shows a vehicle brake device equipped with a conventional pipe clamp device. 1; Brake device, 3; Joints, 4, 5; Pipe, 20; Mounting plate (back plate, etc.) 21; Retaining plate, 22; Clamp rubber, 22a; Groove, 22b; Cut and raised hole, 22c; Cut portion, 22d; protrusion, 22e; pipe introduction groove.

Claims (1)

[Scope of utility model registration request] 1. A restraint plate which is cut and raised from a mounting plate and whose tip is bent,
A groove is formed on the side surface, and a pipe material holding hole is penetrated so as to be parallel to the mounting plate and at a right angle to the pressing plate, and cut to the peripheral surface, and the lower surface is cut and raised. A pipe clamp device consisting of a clamp rubber that has a protrusion that fits in a through hole.