JPH027739Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention is a steering column cover for an automobile such as a convertible car, in which at least two column cover members are joined. For example, the manipulated
This invention relates to a mounting structure for a sealing member that seals the periphery of a lever such as a tilt lever, washer lever, turn signal lever, etc. for waterproofing and dustproofing.

(Prior Art) Conventionally, the installation of this type of seal member as shown in FIGS. 5 and 6 has been proposed.

The structure shown in FIG. 5 is a seal in which holes 3a and 4a are bored at predetermined positions on the periphery of the rear side of the sliding part of the operating lever 5 such as a tilt lever in the column cover members 1 and 2, respectively. The members 3 and 4 are disposed, and the protrusions 1a and 2a protruding from the back surfaces of the column cover members 1 and 2 are inserted into the holes 3a and 4a of the seal members 3 and 4, and then the protrusions 1a that protrude are inserted. , 2a were crushed and the seal members 3 and 4 were attached to the column cover members 1 and 2. Note that the column cover members 1 and 2 to which the seal members 3 and 4 are attached are brought into contact with corresponding bosses protruding from the back sides of the column cover members 1 and 2, which are not separately shown, and A column cover is formed by screwing a screw between the bosses to join them together.

Moreover, the structure shown in FIG. 6 has a sliding quality 10a of the operating lever 15 in the column cover 10.
An annular seal member 13 was fitted onto the periphery.

(Problem to be Solved by the Invention) However, in the structure shown in FIG. 5, when the seal members 3 and 4 are attached to the column cover members 1 and 2, the There was a problem in that it was necessary to crush the protrusions 1a and 2a of the protruding column cover members 1 and 2 one by one, which required time and effort to attach.

Further, in the structure shown in FIG. 6, the seal member 13 is attached to the operating lever 15
When the operating lever 15 comes into contact with the operating lever 15 when the operating lever 15 slides after installation, the seal member 13 is fitted with the frictional force of the operating lever 15.
There was a risk that the column cover 10 would come off.

This idea solves the problems mentioned above,
To provide a structure for mounting a seal member in a column cover, which allows the seal member to be easily mounted and can be mounted without coming off even if an operating lever comes into sliding contact after mounting.

(Means for Solving the Problems) The mounting structure of the seal member in the column cover according to this invention is such that the periphery of the lever that is operated across the joint surface of the column cover formed by joining at least two column cover members is fixed. The mounting structure for the seal member for sealing includes forming a guide part on the back side of the periphery of the operation lever sliding part in each column cover member, into which the seal member can be fitted from the joint surface side, and attaching the column cover member in the guide part. A notch is formed in the vicinity of the joint surface, and the sealing member, which has a sliding groove for the operation lever, has an ear that fits into the guide part of the column cover member on its periphery, and also has an ear part that fits in the guide part of the column cover member. forming a hook portion that engages with the notch portion of the column cover member, fitting the ear portion into the guide portion and engaging the hook portion with the notch portion, and disposing a seal member on each of the column cover members; The above-mentioned object is achieved by joining the seal members and attaching the end faces of the seal members in contact with each other.

(Operations and effects of the invention) The mounting structure of the seal member in the column cover according to this invention is such that each column cover member has a guide portion on the back side of the periphery of the operation lever sliding part, into which the seal member can be fitted from the joint surface side. is formed, the guide part has a cutout near the joint surface of the column cover member, and the seal member with the sliding groove of the operation lever has an ear part on the periphery that fits into the guide part of the column cover member. and a hook portion that engages with the notch portion of the guide portion, the ear portion is engaged with the guide portion, the hook portion is engaged with the notch portion, and a sealing member is disposed on each column cover member. The seal member can be installed in a predetermined position by joining the cover members together and bringing the end faces of each seal member into contact with each other. Once the ear portion is fitted into the guide portion, the seal member can be fixed in a predetermined position by joining the column cover members together in the same manner as in the prior art, which simplifies the installation work of the seal member.

Furthermore, even if the operating lever slides into contact with the seal member after it is fixed, the hook portion of the seal member engages with the notch of the guide portion of the column cover member in the sliding direction. Therefore, it can be prevented from coming off from the column cover member without shifting.

(Example) As shown in FIG. 4, the column cover 20 of the example is formed by joining two upper and lower box-shaped column cover members 21 and 22 made of a synthetic resin material such as ABS. . The joint surfaces of the column cover members 21 and 22 are used for operating the tilt lever 25, washer lever 26, turn signal lever 27, etc. when the column cover members 21 and 22 are joined to the automobile and the column cover 20 is attached. It is formed across the sliding part of the sliding part of the operating lever so that it does not interfere with the sliding part of the operating lever. Note that 28 is a lower cover of the steering wheel that is disposed diagonally above the column cover 20.

Column cover portions 21 and 22 are provided at the sliding portions of the respective operating levers of the column cover 20.
Seal members 23, 24, 3 respectively arranged in
3, 34, etc. are placed in contact with each other, and the lever sliding portion has waterproof and dustproof functions.

Here, in the sliding portion of the tilt lever 25, the attachment modes of the seal members 23 and 24 are set in the first to
This will be explained based on Figure 3.

Column cover members 21 and 22 forming the column cover 20 are provided with seal members 23 and 24 on the back side of the periphery of the sliding members 21b and 22b on which the tilt lever 25 slides, respectively.
Guide parts 210 and 220 that can be fitted from the joint surfaces 21a and 22a of 22 are formed.

The guide portion 210 has an inverted L cross section that is substantially parallel to the sliding portion 21b and substantially perpendicularly opposed to the joint surface 21a.
A letter-shaped fitting part 211 (a, b) and a fitting part 211
a, 211b Protrusion 2 formed at a predetermined position behind
12a and the protrusion 21
2a, and a notch 214 is formed at the end of the fitting part 211 on the column cover member joint surface 21a side. Note that the guide portion 21 of the embodiment
0, the upper part near the notch 214 of one fitting part 211a is not closed (see FIGS. 1 and 2).

Seal member 2 disposed on this guide portion 210
3 is formed into a substantially rectangular plate shape made of an elastomer such as EPDM, CR, PVC, etc., and has a sliding groove 23a formed thinly in the center so as to be able to seal the periphery when the tilt lever 25 slides. , tapered ear portions 23b and 23c that become thinner toward the rear are provided on both sides and can be fitted into the fitting portion 211 of the guide portion 210 of the column cover member 21. Furthermore, the notch portions 2 of the column cover member guide portion 210 are provided at the tips of the ear portions 23b and 23c.
14 are formed, and furthermore, a handle 23f used when disposing the seal member 23 to the column cover member guide part 210 is integrally formed behind the sliding groove part 23a as desired. It is formed as follows. In addition, the seal member 2 of the example
In No. 3, the upper surface of the hook portion 23d near the tip of one ear portion 23b is shaved.

Further, the guide portion 220 is connected to the column cover member 2.
Similar fitting parts 221 (a, b) and regulating parts 222, 2 that are symmetrical to the guide part 210 formed in 1.
23, a notch 224, and a sealing member 24 disposed on this guide portion 220.
A similar sliding groove 2 that is symmetrical to the sealing member 23
4a, ear parts 24b, 24c, hook parts 24d, 24
e, it is equipped with a handle 24f.

Therefore, when the seal members 23 and 24 are disposed on the column cover members 21 and 22, the ears 23 of the respective seal members 23 and 24
b, 23c, 24b, 24c as the guide part 210,
220 into the fitting parts 211, 221, and the rear end surface is fitted into the regulating parts 212, 213, 222, 2.
23, and the hook portions 23e, 23
d, 24e, and 24d are engaged with and disposed in the notches 214 and 224. In addition, in the embodiment, one fitting portion 21 of the column cover members 21 and 22
1a, 222a near the notches 214, 224 and above are not closed, so the seal member 2 in this area
In order to prevent the parts 3 and 24 from floating, the clip 30
is fitted into this part.

Then, the bosses 21c, 22c protruding from the back surfaces of the column cover members 21, 22 at predetermined positions are brought into contact with each other, and the screws 31 are screwed into the joint surfaces 21a, 2.
If the column cover members 21 and 22 are joined together at 2a, the end surfaces of the seal members 23 and 24 can be brought into contact with each other, and the seal members 23 and 24 can be fixed in a predetermined position. Easy to install.

Furthermore, even if the tilt lever 25 slides after the seal members 23 and 24 are attached, the seal member 2
3 and 24, the hook portions 23d, 23e, 24d, and 24e are engaged with the notches 214 and 224 in the column cover member guide portions 210 and 220, respectively, in the sliding direction of the tilt lever 25, so that the seal member 23 , 24 do not shift from their predetermined positions and can be prevented from coming off from the column cover members 21, 22.

In the embodiment, the manner in which the seal members 23 and 24 are attached to the sliding portion of the tilt lever 25 has been described, but it goes without saying that the washer lever 2
6. The seal members 33, 34, etc. that seal the sliding portion of the turn signal lever 27 may also be attached with a similar structure.

In addition, the guide parts 210 and 22 described in the embodiment
0 shows that the upper part of the notch 214, 224 of one of the fitting parts 211a, 221a is not closed, but if it is closed like the other fitting part 211b, 221b, the clip can of course be closed. 30 may not be used.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing an embodiment of this invention.
FIG. 2 is a plan view showing a state in which the seal member is attached in the same embodiment, FIG. 3 is a cross-sectional view taken from FIG. 2, FIG. 4 is a perspective view showing the column cover of the same embodiment, and FIG. FIG. 6 is a diagram showing how a conventional seal member is attached. 1, 2, 21, 22... Column cover member,
3, 4, 13, 23, 24, 33, 34... Seal member, 5, 15, 25, 26, 27... Operation lever, 10, 20... Column cover, 21a, 2
2a...Joint surface, 21b, 22b...Sliding part,
23a, 24a...Sliding groove portion, 23b, 23c,
24b, 24c... ears, 23d, 23e, 24
d, 24e... hook portion, 210, 220... guide portion, 214, 224... notch portion.

Claims (1)

[Scope of utility model registration request] A mounting structure for a sealing member that seals the periphery of a lever that is operated by straddling a joint surface in a column cover formed by joining at least two column cover members, wherein each of the column cover members has a sliding portion of the operating lever. A guide portion into which the seal member can be fitted from the joint surface side is formed on the back side of the periphery, and a notch is formed in the guide portion near the joint surface of the column cover member, so that the sliding portion of the operating lever can be inserted into the guide portion. The sealing member including the moving groove has an ear portion formed on its periphery that fits into the guide portion of the column cover member, and a hook portion that engages with the guide portion notch of the column cover member, The ear portions are fitted into the guide portions and the hook portions are engaged with the notch portions to respectively dispose the seal members on the column cover members, and further the column cover members are joined to each other. A mounting structure for a seal member in a column cover, characterized in that the seal member is mounted with end surfaces of the seal member in contact with each other.