JPH038500Y2 - - Google Patents

Description

[Detailed explanation of the idea] <Industrial application field> The present invention relates to change lever boots.

<Prior art> Utility Model Application No. 57-174239 and Utility Model Application No. 59-117532
When installing a transmission chain lever boot (hereinafter referred to as the boot) as shown in the above publication, a square hole may be provided in the vehicle body panel. However, when attaching a boot to a square hole, simply fitting it into the periphery of the hole does not equalize the pressure at the fitting portion, and therefore does not provide sufficient sealing performance.

Therefore, as shown in FIGS. 3 and 4, a presser metal fitting 2 is stacked on the outer periphery of the fixed part 1A at the lower end of the boot 1, and the metal fitting 2 is fixed to the vehicle body panel 3 with screws 4 to ensure sealing performance. was. 3A is a square hole for installing boots, and 5 is a change lever.

<Problems to be Solved by the Invention> However, in such a conventional structure, the work of attaching the presser fitting was troublesome and time-consuming, and the cost was high.

This idea was made in view of the above circumstances.
The purpose is to solve the conventional problems by providing a structure that can be installed with one touch and has good sealing performance.

<Means for solving the problem> For this reason, in the present invention, a circumferential groove is formed on the inner circumferential wall of the fixing part that is fixed to the boot mounting hole of the vehicle body panel,
A circumferential groove is formed at a position below the circumferential groove on the outer circumferential wall to fit into the periphery of the boot mounting hole, and the groove entrance part is narrower than the deep part of the groove. Further, a flange portion of the presser metal fitting having a flange portion is formed in the inner peripheral wall circumferential groove so that the outer circumferential edge of the flange portion has a larger diameter than the circumferential edge of the boot mounting hole, and the flange portion is fitted to line the inner circumferential wall. did.

<Function> As a result, the circumferential groove portion of the inner circumferential wall of the boot is pressed against the periphery of the mounting hole of the vehicle body panel due to the rigidity of the presser fitting, resulting in good sealing performance. Furthermore, the rigidity of the flange portion of the presser metal fitting improves the gripping force at the panel fixing portion of the boot, and the boot can be easily pushed in and installed with one touch. Furthermore, the adhesion between the periphery of the boot mounting hole and the circumferential groove on the outer periphery of the fixing portion is improved, and the holding performance against the panel is improved.

<Example> Hereinafter, an example of the present invention will be described based on the drawings.

In FIG. 1 showing an embodiment of the present invention, 11
1 is a change lever boot (hereinafter referred to as "boot") of this embodiment, which is made of rubber and has a through hole 12 at its upper end through which a change lever (not shown) passes.
A fixing part 13 is fixed to a square boot mounting hole 21 formed in the vehicle body panel 20 at the lower end thereof.
This is the same as before.

The feature of this boot 11 is that the fixing part 13
It is structured as follows.

The fixing portion 13 has a circumferential groove 14 on its inner circumferential wall, and the flange portion 15A of a presser metal fitting 15 having a flange portion 15A is fitted into the circumferential groove 14, and the presser metal fitting 15 is lined therewith. Further, a lip 16 is provided at the lower end of the fixing portion 13, and a circumferential groove 17 is formed on the outer circumferential wall of the proximal end of the lip 16 into which the circumferential edge of the boot attachment hole is fitted. As shown in FIG. 2, the circumferential groove 17 has a width at the groove entrance portion.
The groove entrance part is formed to be narrower than the deep part of the groove so that it is narrower than the panel thickness around the boot mounting hole 21 of the vehicle body panel 20. Furthermore, the lip 16
The outer peripheral wall of is formed into a tapered shape that tapers downward. Further, the outer peripheral edge of the flange portion 15A of the presser metal fitting 15 is formed to have a larger diameter than the peripheral edge of the boot attachment hole 21.

When attaching this boot 11 to the boot mounting hole 21 of the vehicle body panel 20, fit the presser metal fitting 15 into the inner peripheral wall of the fixed part 13 of the boot 11 in advance,
Thereafter, the fixing part 13 may be pushed into the boot mounting hole 21 from above until the peripheral edge of the mounting hole of the vehicle body panel 20 is fitted into the circumferential groove 17 on the outer periphery of the lip 16.

According to this configuration, the wall thickness from the inner circumferential surface of the fixing part 13 to the circumferential groove 17 of the lip 16
If the boot is made thicker than the distance between the boot 5 and the periphery of the mounting hole in the vehicle body panel, a tightening margin will be obtained, and since the boot will come into pressure contact with the periphery of the mounting hole after installation, good sealing performance will be obtained. Further, when pushing the boot 11 into the mounting hole, the rigidity of the flange portion 15A of the holding fitting 15 makes it easy to push the boot 11 into the mounting hole. Furthermore, since the outer circumferential wall of the lip 16 is tapered, it is easier to push it in, but it also has the advantage of being difficult to pull out. Furthermore, since the inlet of the circumferential groove 17 has good adhesion to the vehicle body panel 20, the holding force to the vehicle body panel 21 is strong, and the improved sealing performance improves the dust-proofing effect, improving the cleanliness of the vehicle interior. be enhanced.
In addition, since the flange portion 15A overlaps the circumference of the boot mounting hole 21, the gripping force of the fixing portion 13 is strong against the expansion and contraction action of the boot 11.
Boots 11 are difficult to remove.

<Effects of the invention> As described above, according to the invention, the inner periphery of the boot fixing part is lined with a metal fitting provided with a flange to provide rigidity, and the fitting part on the outer periphery of the fixing part is pressure-bonded to the vehicle body panel. This improves sealing performance. In addition, the rigidity of the flange portion makes it easy to push it into the mounting hole, and it can be done with just one touch, which improves the workability of the mounting process and reduces costs. Furthermore,
Since the entrance of the circumferential groove on the outer periphery of the fixing part is narrower than the deep part of the groove, the adhesion to the upper and lower surfaces of the vehicle body panel is improved, and combined with the pressure force of the holding fitting, the sealing performance is even better and the dustproof effect is excellent. ing. Also,
Since the flange portion overlaps with the vehicle body panel, the boot fixing portion is firmly fixed against the expansion and contraction action of the boot, making it difficult for the boot to come off and improving boot retention performance.

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is an enlarged sectional view of the lip of the above embodiment, FIG. 3 is a perspective view of the conventional example, and FIG. 4 is an installation state diagram of the conventional example. 11...Change lever boot, 13...Fixing part, 14...Peripheral groove, 15...Pressure metal fitting, 15A
...Flange part, 17 ... Circumferential groove, 20 ... Vehicle body panel, 21 ... Boot mounting hole.

Claims (1)

[Scope of utility model registration request] In a change lever boot that is mounted on a transmission change lever, a circumferential groove is formed in the inner circumferential wall of a fixing part that is fixed to a boot attachment hole in a vehicle body panel, and the boot is attached at a position below the circumferential groove in the outer circumferential wall. A circumferential groove is formed in which the groove entrance part is narrower than the inner part of the groove, and the outer circumferential edge of the flange part is closer to the circumferential edge of the boot mounting hole. A change lever boot characterized in that a flange portion is formed so as to have a large diameter, and the flange portion is fitted to line the inner circumferential wall.