JPH04106062U - steering wheel - Google Patents

Abstract

(57) [Summary] [Purpose] In a steering wheel in which a pad body is removably attached to the steering wheel body, one mounting member 21 holds the pad body in a fixed position and prevents it from falling off. [Configuration] The mounting member 21 is fixed to the support plate 16 on the steering wheel body side with screws, and the locking portion of the mounting member 21 is fixed to the support plate 16 on the steering wheel body side.
25 and the engaging portion 26, the mounting plate 19 on the pad body side is fixedly held.

Description

[Detailed explanation of the idea]

0001 [Purpose of invention]

0002

[Industrial application field]

The present invention relates to a steering wheel for an automobile or the like.

0003

[Conventional technology]

Conventionally, in steering wheels for automobiles, etc., for example, As described in Publication No. 05866, on the top of the steering wheel body. In addition to providing a mounting plate, the bottom of the pad has multiple A clamp spring is provided, and the pad is stabilized by the multiple clamp springs. It is designed to be removably attached to the ring wheel body. In particular, this bulletin In a steering wheel, the clamp spring holds the upper and lower parts of the mounting plate. By providing a portion, the height of the pad can be fixed at a fixed position using only the clamp spring. This allows it to be maintained.

0004 However, in the event of a car collision, etc., the driver may touch the steering wheel itself. If a strong impact is applied to the pad, the clamp spring will come off the mounting plate. There is a risk that the pad may fall off and the driver may hit the exposed top end of the steering shaft. There is danger.

[0005] Therefore, the steering wheel described in Utility Model Application Publication No. 64-19570 In this case, attach the fixing bracket that is engaged to the pad side to the mounting plate of the steering wheel body. By screwing the pad side and the steering wheel body side together, to prevent the pad from falling off even if a shock is applied to the pad. are doing.

[0006]

[Problem that the idea aims to solve] As shown above, connect the pad side and the steering wheel body side with the fixing metal fittings. You can prevent the pad from falling off by fixing it in place, but the clamp Since special fixing metal fittings must be used in addition to the spring, the number of parts is reduced. This increases the cost, and the internal structure of the boss becomes more complex and larger. There's a problem.

[0007] The present invention was developed with these points in mind, and the pad is designed to protect against impact. The number of parts has been reduced in the steering wheel that prevents the body from falling off. The internal structure of the boss can be simplified and made smaller. This is the purpose.

[0008] [Structure of the idea]

[0009]

[Means to solve the problem]

The present invention includes a pad body 7 that is removably attached to the upper part of the steering wheel body 1. , the steering wheel is attached by the mounting member 21 via the mounting plate 19 on the pad body 7 side. The mounting member 21 has screws on the steering wheel body 1 side. A fixing part 31 is removably fixed at 33, and a fixing part 31 is provided on the mounting plate 19 on the side of the pad body 7. A locking part 25 that passes through the mounting hole 19a and locks to the upper part of the mounting plate 19, and an engaging part that elastically engages with the locking part 25 and firmly clamps the mounting plate 19 between the locking part 25 and the locking part 25; 26.

0010

[Effect]

In this invention, the mounting member 21 is screwed and fixed to the steering wheel body 1 side. The mounting plate 19 is fixedly held between the locking part 25 and the engaging part 26 of the While holding the steering wheel body 7 in a fixed position relative to the steering wheel body 1, To prevent a pad body 7 from falling off from a steering wheel body 1.

[0011]

【Example】 Hereinafter, the configuration of an embodiment of the present invention will be described with reference to FIGS. 1 to 4.

0012 In Figures 3 and 4, 1 is the steering wheel body; The running wheel body 1 includes an annular rim portion 2, a boss portion 3 located at the center thereof, and a boss portion 3 located at the center of the annular rim portion 2. It is composed of a plurality of spoke parts 4 which connect a rim part 2 and a boss part 3. . In this embodiment, a pad body 7 consisting of a shock absorber 5 and a pad 6 is used as a button. It is provided on the upper part of the space part 3.

[0013] The steering wheel body 1 is fitted onto a steering shaft (not shown). The metal boss 11 of the boss portion 3, the core metals 12a and 12b of each spoke portion 4, and the rim The core metals 13 of part 2 are welded together, and a lower cover 14 made of synthetic resin is attached to the lower part of the boss 11. are attached to the bottom and sides of the inner ends of the boss 11 and the core metals 12a and 12b of the spoke portions 4. In addition to covering the surface, each of the spokes exposed from this lower cover 14 and the pad 6 The outer ends of the core metals 12a and 12b of the rim portion 4 and the core metal 13 of the rim portion 2 are It is formed by covering it with a cover 15.

[0014] A support plate 16 is fixed to the top of the boss 11 by welding or the like. A support piece 17 is integrally formed on the edge of the plate 16 facing the central spoke part 4. A screw hole 18 is formed in the piece 17.

[0015] In addition, the pad body 7 has a shock absorber 5 integrated inside the pad 6 made of synthetic resin. It is installed properly. This shock absorber 5 is made by bending a metal plate into a box shape. Both ends are fixed to the mounting plate 19 by welding or the like.

[0016] Then, the pad body 7 is attached to and detached from the boss portion 3 of the steering wheel body 1. In order to make the installation possible, as shown in Figure 4, attach the One mounting member 21 is used, and two mounting members are installed at locations corresponding to the spoke parts 4 on both sides. Clamp spring 22 is used.

[0017] The mounting member 21 is formed of a thin metal plate, as shown in FIGS. 1 and 2. , an arcuate insertion portion 22 inserted into the mounting hole 19a formed in the mounting plate 19 and The insertion portion 22 is provided with a protruding portion 24 formed in a convex shape from the walls 23a and 23b on both sides. There is. Each of the walls 23a and 23b of this protrusion 24 has a central part on the upper side and a lower end on the outside. It is elastically cut up, inserted through the mounting hole 19a, and elastically engaged with the upper part of the mounting plate 19. A locking piece 25 is formed as a locking portion, and a locking piece 25 is formed on the lower side and is inclined outwardly in a stepped manner. It projects diagonally and engages the lower edge of the mounting hole 19a of the mounting plate 19, and is mounted between it and the locking piece 25. An engaging stepped portion 26 is formed as an engaging portion that holds the attached plate 19. Furthermore, one A contact piece 27 that comes into contact with the upper surface of the support plate 16 is formed at the center of the lower end of the wall 23a, and the other Contact pieces 28 that come into contact with the upper surface of the support plate 16 are formed on both sides of the lower end of the wall 23b. At the same time, a support hole 16a formed in the support plate 16 is inserted into the center of the lower end. An engaging piece portion 29 is formed to engage the lower surface of the edge of 16a.

[0018] Also, at the lower end of one wall 23a of the protrusion 24, there is a joint plate portion to be joined onto the support plate 16. 30 is formed, and the end of this joint plate part 30 extends long and is bent downward from the tip. A fixed piece portion 31 is formed as a fixed portion to be joined to the outer surface of the supporting piece 17 of the support plate 16. has been completed. This fixing piece part 31 has a through hole 32 formed therein, and a screw is screwed through this through hole 32. 33 can be screwed into the screw hole 18 of the support piece 17 and tightened and fixed.

[0019] Note that a screw 33 and a tool for screwing this screw 33 are inserted into the lower cover 14. An opening 14a is formed to allow passage.

[0020] Also, regarding the above-mentioned clamp spring 22, although it is not specifically shown, it is actually The structure is similar to that described in JP-A-62-105866, that is, the installation A mounting hole formed in the support plate 16 from a mounting piece that is fixedly attached to the plate 19 with screws, etc. A leg piece that is fitted into the support plate 16 is provided with a protruding leg piece that can be attached to and detached from the upper and lower surfaces of the edge of the mounting hole of the support plate 16. A portion is provided which engages with the support plate 16 to hold the support plate 16 therebetween.

[0021] Next, the operation of this embodiment will be explained.

[0022] Before the steering wheel is attached to the steering shaft, the steering wheel The pad body 7 is separated from the steering wheel body 1, and the pad body 7 is separated from the steering wheel body 1. The mounting member 21 is fixed to the support plate 16 of the pad body 1 with screws 33, and the pad body 7 is attached. A clamp spring 22 is fixed to the plate 19 with screws or the like.

[0023] In the automobile assembly process, the boss 11 of the steering wheel body 1 is After fitting it onto the upper end of the steering shaft and tightening the nut, attach the steering wheel. Attach the pad body 7 by pushing it into the boss part 3 of the ring wheel body 1 from above. .

[0024] When installing this pad body 7 by pushing it in, as shown in FIG. The upper end of the protrusion 24 of the mounting member 21 is first fitted into the mounting hole 19a of the mounting hole 19a. The fitting direction of the plate 19 is guided. This mounting plate 19 is attached at the edge of the mounting hole 19a. While elastically displacing the locking piece 25 inward, the locking piece 25 is moved downward and placed under the edge of the mounting hole 19a. The surface abuts on the engagement piece portion 26. Further, when the mounting plate 19 moves downward, the engagement piece 26 With the inclination of When the lower end of the locking piece 25 gets over the mounting plate 19, the lower end of the locking piece 25 becomes elastic. and protrudes above the mounting plate 19. At this point, when you release the pad body 7, The engagement piece 26 lifts the mounting plate 19 due to its elasticity to return outward, and the mounting plate The mounting plate 19 is fixedly held between the locking piece 25 and the engagement piece 26 that are attached to the upper surface of the mounting plate 19. Ru.

[0025] Additionally, the clamp spring 22 is fitted in the same manner as the mounting member 21 is fitted onto the mounting plate 19. At times, the support plate 16 is fitted into the attachment hole of the support plate 16, and the support plate 16 is removably held therebetween.

[0026] Note that the mounting member 21 should be fixed to the steering wheel body 1 side first. Therefore, the mounting member 21 is attached to the pad body 7 side and the steering wheel is removed during the automobile assembly process. Compared to fixing to the wheel body 1 side with screws 33, it is easier to use during the automobile assembly process. Assemblability can be facilitated.

[0027] The pad body 7 attached to the steering wheel body 1 is connected to the mounting member 21. The height relative to the steering wheel body 1 is increased by a pair of clamp springs 22. is held in place.

[0028] A steering wheel configured in this way can be used in the event of a car collision, etc. , even if the driver hits the steering wheel and a strong impact is applied to the pad 7, The attachment member 21 can prevent the pad body 7 from falling off.

[0029] Therefore, one mounting member 21 can hold the pad body 7 in place and prevent it from falling off. , compared to using separate parts for holding them in place and preventing them from falling off. , the number of parts can be reduced to reduce costs, and the internal structure of the boss part 3 has been simplified. , can be downsized.

[0030] In addition, when removing the pad body 7 for maintenance inspection etc., open the lower cover 14. Remove the screw 33 through the opening 14a and attach the mounting member 21 and the steering wheel body 1 side. Release the fixation from the steering wheel body 1, pull up the pad body 7 from the steering wheel body 1, and attach it. By removing the removable clamp spring 22 from the support plate 16, the pad body 7 can be removed.

[0031] In addition, when reinstalling this removed pad body 7, please use the mounting plate of the pad body 7. Remove the mounting member 21 from the steering wheel body 1 and attach the mounting member 21 to the steering wheel body 1. After fixing the pad body 7 to the holding plate 16 with the screws 33, as in the above-mentioned automobile assembly process, can be installed by pushing it into the boss part 3 of the steering wheel body 1 from above. can.

[0032] In addition, as shown in FIG. They may be formed on both sides of a and 23b.

[0033]

[Effect of the idea]

According to the present invention, the mounting member is screwed and fixed to the steering wheel body side. Since the mounting plate is fixedly held between the locking part and the engaging part of the It can hold the head body in place and prevent it from falling off. Compared to using separate parts, the number of parts can be reduced and costs can be reduced. Moreover, the internal structure of the boss portion can be simplified and downsized.

[Brief explanation of drawings]

FIG. 1 is a partial sectional view showing an embodiment of a steering wheel of the present invention.

FIG. 2 is a perspective view of the mounting member.

FIG. 3 is a sectional view taken along line AA in FIG. 4;

FIG. 4 is a plan view of the steering wheel.

FIG. 5 is a perspective view of a mounting member showing another embodiment of the present invention.

[Explanation of symbols]

1 Steering wheel body 7 Pad body 19 Mounting plate 19a Mounting hole 21 Mounting parts 25 Locking part 26 Engagement part 31 Fixed part 33 screw

Claims (1)

[Scope of utility model registration request] 1. A steering wheel in which a removable pad body is attached to an upper part of a steering wheel body by a mounting member via a mounting plate on the pad body side, the steering wheel comprising:
The mounting member includes a fixing part that is removably fixed to the steering wheel body side with a screw, and a locking part that is inserted through a mounting hole provided in the mounting plate on the pad body side and is locked to the upper part of the mounting plate. and an engaging portion that elastically engages with a lower portion of the mounting plate to securely clamp the mounting plate between the locking portion.