WO2021033450A1

WO2021033450A1 - Shift knob

Info

Publication number: WO2021033450A1
Application number: PCT/JP2020/026782
Authority: WO
Inventors: 雅人矢口
Original assignee: 株式会社カーメイト
Priority date: 2019-08-22
Filing date: 2020-07-09
Publication date: 2021-02-25
Also published as: JP7340389B2; JP2021030828A

Abstract

[Problem] To provide a shift knob having a structure that enables a smooth pressing operation. [Solution] This shift knob (10) is provided with a detent rod (62) that protrudes from a lever shaft (60) for shift change and enables the lever shaft (60) to be operated by being pushed into the lever shaft (60), the shift knob being characterized by comprising: an operation unit (12) that has a tilt surface (18) that causes the detent rod (62) to be pushed into by receiving the push from a direction crossing the axial direction of the detent rod (62), and a coil spring (24) that is disposed on the reverse side from the detent rod (62) via the tilt surface (18) toward the pushing direction and pushes the tilt surface (18) against the detent rod (62); and a knob body (28) that has a slide region including the operation unit (12) in a slidable manner, a lever shaft attachment part (32), and a through-hole (32a) which is positioned on the extension line of the lever attachment part and through which the detent rod (62) is inserted into the slide region.

Description

Shift knob

The present invention relates to a shift knob, and more particularly to a shift knob for a shift lever that is operated when switching the shift range of a transmission in an automobile or the like.

In a shift operation unit where a shift lever is normally regulated, such as an AT vehicle, the shift range can be switched by operating a regulation release means provided on a shift knob or the like. Many such techniques have been proposed in the past, but their structures are often complicated. Under such circumstances, a shift knob having a relatively small number of parts and having a simple structure, as disclosed in Patent Document 1 and Patent Document 2, for example, has been proposed.

The shift knob disclosed in Patent Document 1 and Patent Document 2 includes an operation unit provided with an inclined surface for pushing a detent rod protruding from the lever shaft in order to enable operation of the lever shaft for shift change. It has a basic configuration of having an urging means for generating an urging force that constantly presses the inclined surface of the operating portion against the tip of the detent rod.

In the case of a shift knob with such components, a part of the operation part should protrude from the knob body. By doing so, the detent rod can be pushed in by pressing a part of the operating portion protruding from the knob body so as to be pushed into the knob body, and the lever shaft can be moved. More specifically, one hand (for example, the left hand) grips the upper part of the knob body so as to wrap it, and a part of the operation part protruding toward the thumb side is pressed so as to be pushed into the knob body. The movement operation of is performed.

Japanese Patent No. 5475567 JP-A-2017-109510

All of the shift knobs having a configuration as disclosed in the above patent documents press the inclined surface constituting the operating portion, more specifically, the contact point with the detent rod, and the inclined surface against the operating portion against the detent rod. It is in a position where it does not intersect with the axis in the pressing direction by the urging means that gives the urging force. Therefore, in the no-load state, a force in the twisting direction that tilts the protruding portion acts on the operating portion. Therefore, when the driver presses the protruding portion of the operation portion, he / she may feel a slight catch or discomfort.

Therefore, an object of the present invention is to provide a shift knob having a structure that enables smoother pressing operation.

The shift knob according to the present invention for achieving the above object is for a shift lever provided with a detent rod that enables the operation of the lever shaft by protruding from the lever shaft for shift change and pushing into the lever shaft. A knob having an inclined surface that pushes the detent rod by receiving pressure from a direction intersecting the axial direction of the detent rod, and a side opposite to the detent rod via the inclined surface in the pressing direction. To the operating portion having the urging means for generating the urging force for pressing the inclined surface against the detent rod, the sliding region slidably including the operating portion, and the lever shaft. The knob body is provided with a mounting portion of the rod, a through hole located on an extension line of the mounting portion and through which the detent rod is inserted into the sliding region, and a knob body.

Further, in the shift knob having the above-mentioned characteristics, the operation portion may be provided with a side wall and a bottom plate so as to surround the inclined surface in a U shape. By having such a feature, it is possible to give sufficient strength to the inclined surface of the operating portion.

Further, in the shift knob having the above-mentioned characteristics, the operating portion is provided with an overhanging portion that projects outward from the side wall, and the overhanging portion is made to intervene in a groove provided on the assembly side. good. With such a feature, there is no possibility that the operating portion is lifted by the reaction force of the detent rod. Therefore, the horizontal position is maintained as the pressing direction of the operation unit, and smooth operation can be maintained.

Further, in the shift knob having the above-mentioned characteristics, an operation unit holder is interposed between the knob body and the operation unit, and the operation unit holder is assembled to the knob body after assembling the operation unit. It is desirable to configure it so that it can be done. With such a feature, it is possible to apply makeup to the knob body at the same time as assembling the operation unit to the operation unit holder. Therefore, the production efficiency can be improved.

By having the above-mentioned features, it is possible to realize a shift knob having a structure that enables a smooth pressing operation on the operation buttons.

It is an exploded perspective view which shows the structure of the shift knob which concerns on 1st Embodiment. It is a perspective view for demonstrating the structure of the operation part. It is sectional drawing which shows the non-operation state of the shift knob which concerns on 1st Embodiment. It is sectional drawing which shows the operation state of the shift knob which concerns on 1st Embodiment. It is an exploded perspective view which shows the structure of the shift knob which concerns on 2nd Embodiment. It is sectional drawing which shows the non-operation state of the shift knob which concerns on 2nd Embodiment.

Hereinafter, embodiments of the shift knob of the present invention will be described in detail with reference to the drawings. It should be noted that the embodiments shown below are a part of the embodiments suitable for carrying out the present invention, and as long as the effect is exhibited, even if a part of the configuration is changed, one of the present inventions. It can be regarded as a department.

[First Embodiment]
First, the shift knob 10 according to the first embodiment will be described with reference to FIGS. 1 to 4. The shift knob 10 according to the present embodiment is attached to the lever shaft 60 for shift change, and pushes the detent rod 62 protruding from the lever shaft 60 toward the lever shaft 60. Basically, the operation unit 12 and the knob body 28 are used. It is configured as.

The operation unit 12 is an element for pushing the detent rod 62 by a pressing operation. A specific form of the configuration is as follows. That is, it is based on a pair of side walls 14, a bottom plate 16 hung on the lower side of the pair of side walls 14, and an inclined surface 18 composed of a plate hung on one side of the pair of side walls 14. ..

The side wall 14 has a retaining means 14a that slides on the inner wall (sliding region) of the knob body 28, which will be described in detail later, and prevents the knob body 28 from coming off. By providing the retaining means 14a on the side wall 14, it is possible to regulate the sliding range of the operating portion 12. The bottom plate 16 constitutes an overhanging portion wider than the arrangement width of the side wall 14, and serves as a slide guide 20. By having the wide slide guide 20, the operation unit 12 can be stabilized. Further, when assembled to the knob body 28, the slide guide 20 fits into the slide groove 34 and can play a role of receiving a reaction force when pushing the detent rod 62, thereby preventing the operation unit 12 from being lifted. be able to. Further, the operation unit 12 according to the embodiment is provided with a thick portion at the end of the slide guide 20 so as to reduce the contact surface during sliding.

The inclined surface 18 is an element for pushing the detent rod 62, and the pressing force on the operating portion 12 acting in the horizontal direction in the used state is the force in the direction of pushing the detent rod 62 (the direction intersecting the acting direction of the pressing force). : For example, it plays the role of converting to the vertical direction). Therefore, the inclined surface 18 is arranged so that the outer surface faces the bottom plate 16 side. This is because by tilting the inclined surface 18 in this way, the inclined surface 18 comes into contact with the detent rod 62 from the horizontal direction, and a force in the vertical downward direction acts on the detent rod 62.

As described above, the operation unit 12 according to the present embodiment is formed in a gutter shape (U shape) by the side wall 14 and the bottom plate 16, and one end thereof is closed by the inclined surface 18. In this way, by supporting the three sides to which the force acting on the inclined surface 18 is transmitted by the side wall 14 and the bottom plate 16, sufficient strength is obtained in a state where a space is formed between the pair of side walls 14. be able to. In the present embodiment, a guide rod 22 extending into the space formed between the side walls 14 is erected on the inclined surface 18. The guide rod 22 is an element that plays a role of supporting the coil spring 24 as an urging means, and is erected along a direction that coincides with the sliding direction of the operating portion 12.

Further, the operation unit 12 according to the embodiment is provided with the engaging means 14b on the end side of the side wall 14 opposite to the side on which the inclined surface 18 is arranged. The engaging means 14b is an element for engaging the operation button 26, which is a plate piece for applying a pressing force to the operating portion 12. The operation button 26 is assembled after the operation unit 12 is assembled to the knob main body 28.

The knob body 28 is an element that can be assembled to the lever shaft 60 and the operation unit 12 can be assembled. The knob main body 28 is provided with an operation portion assembling portion 30 and a lever shaft mounting portion 32. The operation unit assembly unit 30 is a through hole horizontally provided in the grip portion of the knob main body 28, and serves as a sliding region. The through hole as the operation unit assembling unit 30 has a side wall 14 forming the operation unit 12, a side wall following the shape of the bottom plate 16, and a floor surface, and also has a ceiling surface connecting the upper surfaces of the side walls. Further, the side wall is provided with a slide groove 34 corresponding to the slide guide 20 provided in the operation portion and a control groove 36 corresponding to the retaining means 14a, and the operation portion is provided according to the length of the control groove 36. Twelve sliding ranges can be defined. The ceiling surface is provided with a reaction force receiver 38 that receives the urging force of the coil spring 24 as an urging means. The reaction force receiver 38 is a plate member projecting from the ceiling surface on the one end side of the operation unit assembly portion 30 toward the floor surface side. A through hole 38a through which a guide rod 22 standing in the operation portion can be inserted is formed in the plate member constituting the reaction force receiver 38.

The lever shaft mounting portion 32 is a tubular portion provided at the lower end of the grip portion of the knob body 28, and a through hole 32a is provided on an extension line of the lever shaft mounting portion 32. The lever shaft 60 can be inserted into the lever shaft mounting portion 32, and the detent rod 62 can be inserted into the through hole 32a. The through hole 32a penetrates from the lever shaft mounting portion 32 to the floor surface of the operating portion assembling portion 30. With such a configuration, the knob body 28 can be assembled to the lever shaft 60, the detent rod 62 can be projected from the floor surface of the operation unit assembly portion 30, and the inclined surface 18 constituting the operation unit 12 can be used. It becomes possible to press.

The operation unit 12 is assembled to the operation unit assembly unit 30 by inserting the reaction force receiver 38 from the side opposite to the arrangement side end. The insertion direction of the operation unit 12 is such that the guide rod 22 on which the coil spring 24 is arranged faces the reaction force receiver 38. The operation unit 12 is assembled by pushing the inclined surface 18 until it exceeds the formation position of the through hole 32a. After assembling the operation unit 12, the operation button 26 is assembled to the engaging means 14b provided on the side wall 14 constituting the operation unit 12.

After the operation unit 12 and the operation button 26 are assembled to the knob body 28, in the shift knob 10 according to the embodiment, the

decorative plates

40 and 42 are attached to the open ends of the operation unit assembly portion 30, respectively. The

decorative plates

40 and 42 play a role of improving the appearance texture and preventing dust from entering the internal space of the operation unit assembly unit 30.

[Action]
As shown in FIG. 3, the shift knob 10 having such a configuration is usually in a state in which the operation unit 12 is pushed out from the knob body 28 due to the protruding output of the detent rod 62, that is, the operation button 26 is in a protruding state. ing. At this time, the inclined surface 18 constituting the operating portion 12 is in a state of being pressed against the detent rod 62 by the urging force of the coil spring 24 sandwiched between the reaction force receiving 38 and the inclined surface 18. Therefore, the operation button 26 does not have any play such as rattling.

Next, when the driver or the like grasps the shift knob 10 and pushes in the operation button 26, the detent rod 62 that has been in contact with the inclined surface 18 is pushed toward the lever shaft 60 side as shown in FIG.

[effect]
In the shift knob 10 having such a configuration, the contact point with the detent rod on the inclined surface and the arrangement position of the coil spring as the urging means are located on substantially opposite sides of the inclined surface. Therefore, as compared with the conventional shift knob, the action of the urging force on the detent rod becomes direct, and the force in the twisting direction is less likely to act on the operating portion. Therefore, a smoother pressing operation is possible as compared with the conventional shift knob.

[Second Embodiment]
Next, the shift knob 10A according to the second embodiment will be described with reference to FIGS. 5 and 6. Most of the shift knob 10A according to the present embodiment has the same configuration as the shift knob 10 according to the first embodiment. Therefore, the parts having the same function are designated by the same reference numerals in the drawings, and detailed description thereof will be omitted.

The difference between the shift knob 10A according to the present embodiment and the shift knob 10 according to the first embodiment is that the operation unit holder 50 is interposed between the knob body 28 and the operation unit 12. The operation unit holder 50 is an intermediate member that allows the operation unit 12 to be assembled and fitted into the through hole 28a formed in the knob body 28.

The operation unit holder 50 is provided with a side wall 52 and a floor surface 54 on which the side wall 14 and the bottom plate 16 of the operation unit 12 slide, and is provided with a ceiling surface 56 hung on the side wall 52 to form a tubular body. doing.

The side wall 52 of the operation unit holder 50 is provided with a retaining means 1 provided on the side wall 14 of the operation unit 12.
A control hole 52a for engaging the 4a is provided. Further, the ceiling surface 56 is provided with a reaction force receiver 38. With such a configuration, the operation unit 12 can be assembled by using the operation unit holder 50 as the operation unit assembly unit 30 in the first embodiment.

The knob body 28 is formed with a stepped through hole 28a in the horizontal direction. The stepped portion 28a1 of the through hole 28a is a positioning portion when the operation portion holder 50 is assembled, and the engaging portion 52b provided in the operation portion holder 50 is provided on the side of the through hole 28a where the opening area is small. An engaging portion 28a2 for engaging is provided. The operating portion holder 50 is fixed to the knob main body 28 by engaging the engaging portion 52b of the operating portion holder 50 with the engaging portion 28a2 of the through hole 28a while being positioned by the step portion 28a1.

[effect]
Even with the shift knob 10A according to the present embodiment, the action of the urging force on the detent rod 62 becomes direct as compared with the conventional shift knob, and the force in the twisting direction is less likely to act on the operation unit 12. Therefore, a smoother pressing operation is possible as compared with the conventional shift knob.

Further, according to the shift knob 10A having the configuration according to the present embodiment, after the operation unit 12 and the operation button 26 are assembled to the operation unit holder 50 to form a subassy, the operation unit holder 50 is attached to the knob body 28. It is possible to take an assembly form of assembling. In the case of a luxury car or the like, it is customary to apply makeup such as leather to the exterior of the knob body 28. As in the present embodiment, by sub-assessing the assembly by the operation unit holder 50, the operation unit and the like are assembled to the operation unit holder 50 at the same time as the work of applying makeup to the knob body 28. Is possible. Therefore, the assembly efficiency can be improved.

10, 10A ……… Shift knob, 12 ……… Operation unit, 14 ……… Side wall, 14a ……… Retaining means, 14b ……… Engaging means, 16 ……… Bottom plate, 18 ……… Inclined surface, 20 ……… Slide guide, 22 ……… Guide rod, 24 ……… Coil spring, 26 ……… Operation button, 28 ……… Knob body, 28a ……… Through hole, 28a1 ……… Step part, 28a2 ……… Engagement part, 30 ……… Operation part assembly part, 32 ……… Lever shaft mounting part, 32a ……… Through hole, 34 ……… Slide groove, 36 ……… Control groove, 38 …… ... reaction force receiver, 40 ......... decorative board, 42 ......... decorative board, 50 ......... operation part holder, 52 ......... side wall, 52a ......... control hole, 52b ......... engaging part, 54 ... …… Floor surface, 56 ………… Ceiling surface, 60 ………… Lever shaft, 62 ………… Detent rod.

Claims

A knob for a shift lever provided with a detent rod that enables the operation of the lever shaft by protruding from the lever shaft for shift change and pushing into the lever shaft.
An inclined surface that pushes the detent rod by receiving a pressure from a direction intersecting the axial direction of the detent rod, and a side opposite to the detent rod via the inclined surface are arranged in the pressing direction. An operation unit having an urging means for generating an urging force for pressing the inclined surface against the detent rod, and
A sliding region that slidably includes the operating portion, a mounting portion to the lever shaft, and a through hole located on an extension line of the mounting portion and allowing the detent rod to pass through the sliding region. A shift knob characterized by having a knob body to be provided.
The shift knob according to claim 1, wherein the operation unit is provided with a side wall and a bottom plate so as to surround the inclined surface in a U shape.
The shift knob according to claim 2, wherein the operating portion is provided with an overhanging portion that projects outward from the side wall, and the overhanging portion is intervened in a groove provided on the assembly side.
An operation unit holder is interposed between the knob body and the operation unit.
The shift knob according to any one of claims 1 to 3, wherein the operation unit holder is configured so that the operation unit holder can be assembled to the knob body after the operation unit is assembled.