JPH096452A - Mount structure for shift lever knob - Google Patents

Abstract

PURPOSE: To easily and quickly attain mounting by eliminating the need for screws so as to eliminate the need for a tightening jig and a tightening work, to reduce the cost and to eliminate the need for other processing to take an external appearance into account. CONSTITUTION: To mount a knob 38 to a shift lever 16 for an automatic gear reducer, at first a cover member 42 is fitted to an outer circumference of the shift lever 16 from its upper part. Then an insert member 40 is fitted to the outer circumference from an upper part of the shift lever 16 together with the knob 38. Then a 1st projection 46 is engaged elastically with a 1st recessed part 48 in a direction at a right angle to a fitting direction. Then the cover member 42 is fitted to the outer circumference of the insert member 40 toward the upper end of the shift lever 16. Thus, a 2nd projection 54 is engaged elastically with a 2nd recessed part 56 in a direction at a right angle to the fitting direction and simultaneously an energizing projection 58 energizes a tongue piese 44 into the 2nd recessed part 48 of the 1st projection 46 in an engaging direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used, for example, in a shift lever device of an automatic transmission for a vehicle, and has a base end portion which is operably supported by a shift lever. The mounting structure of the knob.

[0002]

2. Description of the Related Art In a shift lever device for an automatic transmission for a vehicle, a shift lever is supported by a shift lever plate at a lower end portion thereof, and an upper end portion of the shift lever penetrates a guide groove of a housing and a shift lever is provided at an upper end portion thereof. The knob is attached. When the shift lever knob is operated, the shift lever moves along the guide groove, and the shift operation is performed.

The shift lever is provided with a detent pin which moves together with the shift lever. On the other hand, a detent plate is erected on the shift lever plate to form a detent slot in the detent plate, and the detent slot engages with the detent pin. Is provided with a plurality of engaging portions. According to the shift operation of the shift lever, the engaging portion with which the detent pin engages is changed from other engaging portions to shift range (for example,
(P, N, R, D range, etc.) is changed.

Here, if a convex is provided between the engaging portion corresponding to the P range and the engaging portion corresponding to another range and the detent pin does not exceed the convex, the P range is changed to another. Shifting to the range is prohibited. That is,
The detent pin is provided at the lower end of the rod that moves in the shift lever, and the shift lever knob is provided with a knob button. By pushing the knob button, the detent pin is pushed down via the rod, the detent pin can pass over the convex, and the shift change from the P range to another range is possible.

In such a shift lever device, in order to attach the shift lever knob to the shift lever, the shift lever is attached to the shift lever plate, and further, the upper end portion of the shift lever is penetrated into the guide groove of the housing, and then the shift lever is shifted. The shift lever knob is fitted from the upper end of the lever to the outer circumference of the shift lever, and the shift lever knob is screwed to the shift lever from the outside in a direction perpendicular to the fitting direction.

[0006]

By the way, in the above-described conventional structure for mounting the shift lever knob, since a screw is required, a screw tightening tool must be prepared,
Installation work is also troublesome. This causes a cost increase.

Particularly, it is more troublesome to attach the shift lever knob to the shift lever plate, and further to attach the shift lever knob after the upper end portion of the shift lever is passed through the guide groove of the housing.

Further, only by tightening the screw, the head of the screw is exposed on the outer surface of the shift lever knob. In order to hide the head of the screw in consideration of the appearance, it is necessary to take a separate measure for that, which further increases the cost.

In consideration of the above facts, the present invention eliminates the need for screws, and therefore the tightening tool and the tightening work therefor, so that the mounting work can be performed easily and quickly, the cost is reduced, and the appearance is taken into consideration. It is an object of the present invention to provide a structure for mounting a shift lever knob that does not require any additional treatment.

[0010]

In order to solve the above-mentioned problems, the structure for mounting a shift lever knob according to the first aspect of the present invention is such that the base end portion is attached to the tip end portion of a shift lever supported for shift operation. A shift lever knob mounting structure for mounting a shift lever knob, comprising: an insert member provided on the shift lever knob, the insert member fitted together with the shift lever knob from a tip of the shift lever to an outer periphery of the shift lever; and the shift lever and the insert member. A first member which is provided between the first and second members and which elastically engages and disengages in a direction perpendicular to the fitting direction when the insert member is fitted to the outer periphery of the shift lever.
Before fitting the uneven portion and the insert member to the outer periphery of the shift lever, while fitting from the tip of the shift lever to the outer periphery of the shift lever, after fitting the insert member to the outer periphery of the shift lever, A cover member that is fitted on the outer periphery toward the tip of the shift lever, and is provided between the cover member and the insert member, and in a direction perpendicular to the fitting direction when the cover member is fitted on the outer periphery of the insert member. The second concave-convex portion elastically engaged with each other is provided between the first concave-convex portion and the cover member, and the first concave-convex portion is engaged with the first concave-convex portion and the second concave-convex portion in both engaged states. And a biasing convex portion that biases in the mating direction.

According to a second aspect of the present invention, there is provided a shift lever knob mounting structure according to the first aspect, which is mounted on a shift lever for an automatic transmission.

In an automatic transmission, for example, a rod that needs to be moved to allow a shift operation is provided in the shift lever, and a knob button that is pushed in to move the rod is provided to the shift lever knob. Further, the tip end portion of the shift lever penetrates the guide groove, the shift lever knob is attached to the penetrating tip end portion, and the shift lever moves along the guide groove to perform a shift operation.

According to a third aspect of the present invention, there is provided a shift lever knob mounting structure according to the first or second aspect, wherein the structure is provided between the shift lever and the insert member, and the insert member is press-fitted to the outer periphery of the shift lever. It is characterized in that it is provided with a protrusion that causes it.

[0014]

According to the above construction, the shift lever knob attached to the tip of the shift lever is operated to shift the shift lever. To attach the shift lever knob to the shift lever, the procedure is as follows.

First, the cover member is fitted to the outer periphery of the shift lever from the tip of the shift lever.

Next, the insert member is fitted to the outer periphery of the shift lever from the tip of the shift lever together with the shift lever knob. Along with this, the first concave-convex portion elastically concave-convexly engages between the shift lever and the insert member in a direction perpendicular to the fitting direction. As a result, the mounting position of the shift lever knob is held.

Next, the cover member is fitted to the outer periphery of the insert member toward the tip of the shift lever. Along with this, the second concave-convex portion elastically concave-convexly engages between the cover member and the insert member in the direction perpendicular to the fitting direction. When the second uneven portion is engaged, the biasing convex portion biases the first uneven portion in the engaging direction between the first uneven portion and the cover member. As a result, the shift lever knob cannot be removed.

As a result, the conventional screw is not required for mounting the shift lever knob, and therefore, the tightening tool and the tightening work therefor are not necessary, and the mounting work is easy and quick, and the cost is reduced.
There is no need for a separate treatment considering the appearance.

Particularly, in the automatic transmission according to the second aspect, for example, the shift lever is supported so as to be shift-operable, and the tip end portion of the shift lever is passed through the guide groove. Since the shift lever knob is attached to the penetrating tip, it is effective that the shift lever knob is easily attached.

Further, as described in claim 3, by press-fitting the insert member onto the outer periphery of the shift lever, the occurrence of backlash can be effectively suppressed.

If the convex portion of the concave and convex portions of the first concave and convex portion and the biasing convex portion are formed so as to project in an arc shape when viewed along the fitting direction of the insert member and the cover member, respectively. When removing the shift lever knob from the shift lever, the removal can be facilitated.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A shift lever knob mounting structure according to an embodiment of the present invention will be described with reference to FIGS. In addition,
The front side of the vehicle is indicated by an arrow FR, the vehicle width direction is indicated by an arrow W, and the upper side of the vehicle is indicated by an arrow UP.

As shown in FIG. 3, in a shift lever device for an automatic transmission for a vehicle, a shift lever plate 12 is fixed to a floor of the vehicle, and fixing bolts are provided at four corners of the shift lever plate 12 for the fixation. Through holes 14 are formed.

A shift lever 16 is pivotally supported at the lower end portion (base end portion) of the shift lever plate 12 by a support shaft bolt 18 whose axial direction is the vehicle width direction. The upper end portion (tip end portion) of the shift lever 16 penetrates through the guide groove 22 of the housing 20 fixed to the shift lever plate 12, and the shift lever knob 38 is attached to the penetrating upper end portion. When the shift lever knob 38 is operated, the shift lever 16 rotates around the axis of the support shaft bolt 18 and moves in the vehicle front-rear direction along the guide groove 22, enabling the shift operation.

The shift lever 16 has a cylindrical shape, and a rod 24 is provided inside the cylinder. A detent pin 26 is provided at the lower end of the rod 24 so as to project in the vehicle width direction. The shift lever plate 12 corresponds to the detent pin 26.
A detent plate 28 is erected on the detent plate 28, and a detent groove hole 30 is formed in the detent plate 28. The detent groove hole 30 has a plurality of engaging portions that engage with the detent pin 26 at the upper edge of the hole. . With the shift operation of the shift lever 16, the detent pin 26 moves to the shift lever 1
By changing the engaging portion of the detent slot 30 with which the detent pin 26 engages with another engaging portion, the shift range (for example, P range, N range, R range,
D range, etc.) is changed. The operating lever 32 projects further downward through the support shaft bolt 18 of the shift lever 16, and although not shown, the operating lever 32 is connected to the automatic transmission via a wire or the like. The operation lever 32 works in conjunction with the shift lever 16 to enable a shift corresponding to the shift range.

In the detent slot 30, a convex portion 34 is formed between the engaging portion corresponding to the P range and the engaging portion corresponding to another range, so that the P range can be changed to another range. Is designed so that the detent pin 26 needs to go over the convex portion 34 thereof. The rod 24 moves in the axial direction of the rod 24 in the shift lever 16 (shift lever 1
6), and the shift lever knob 38 is provided with a knob button 36 corresponding to the upper end of the rod 24. By pushing the knob button 36, the detent pin is pushed through the rod 24. 26 is pushed down so that the detent pin 26 can cross the projection 34. In other words, the shift operation from the P range to another range is prohibited unless the knob button 36 is pressed.

The mounting structure for mounting the shift lever knob 38 on the upper end of the shift lever 16 will be described below.

As shown in FIGS. 1 and 2, an insert member 40 is provided at the lower end of the shift lever knob 38 so as to enter the shift lever knob 38. The insert member 40 is formed in a tubular shape and is fitted together with the shift lever knob 38 from the upper end of the shift lever 16 to the outer periphery of the shift lever 16. The insert member 40 includes a tongue piece 44 formed at the lower end portion with slits on both sides in the circumferential direction.
A pair of tongue pieces 44 are provided so as to face each other in the radial direction of the insert member 40, and can elastically bend in a cantilevered manner in the radial direction. A hemispherical first protrusion 46 is projected on the inner surface of each tongue piece 44, and a first recess 48 is formed as a pair of circular holes on the outer periphery of the shift lever 16 corresponding to each first protrusion 46. ing. As the insert member 40 is fitted to the outer periphery of the shift lever 16, the first protrusion 46 is pushed by the outer periphery of the shift lever 16 and the tongue piece 44 bends in the radial direction, and the first protrusion 46 becomes the first recess 48. The tongue piece 44 returns and bends at a predetermined fitting position facing the first concave portion 4 in the direction perpendicular to the fitting direction.
8 into engagement. As a result, the mounting position of the shift lever knob 38 is held. The first protrusion 46 and the first recess 48 form a first uneven portion.

On the other hand, a cylindrical cover member 42 is fitted to the outer periphery of the shift lever 16 from the upper end of the shift lever 16. This fitting is performed prior to fitting the insert member 40. The insert member 40 is the shift lever 16
The cover member 42 is shifted after the insert member 40 is fitted to the outer periphery of the shift lever 16 and the first protrusion 46 is engaged in the first recess 48 until the insert member 40 is fitted to the outer periphery of the shift lever 16. By moving toward the upper end of the lever 16, the cover member 42 fits on the outer periphery of the insert member 40.

A groove 50 is formed on the inner circumference of the cover member 42. The grooves 50 extend vertically except the upper and lower edges of the cover member 42, and a pair of grooves 50 are provided so as to face each other in the radial direction of the cover member 42. Protrusions 52 are provided on the outer periphery of the insert member 40 along the circumferential direction, and the protrusions 52 are arranged in a pair so as to face each other in the radial direction of the insert member 40. Each protruding piece 52 is formed above the tongue piece 44 so as to protrude slightly below the lower end surface of the shift lever knob 38. Cover member 42
In the upper edge of the inner circumference, a second protrusion 54 is provided at a portion corresponding to the groove 50, and the insert member 40 is provided with a second recess 56 between the lower end surface of the shift lever knob 38 and the protrusion 52. Therefore, the second convex portion 54 and the second concave portion 56 form a second uneven portion. When the second protrusion 54 reaches the second recess 56 as the cover member 42 fits on the outer periphery of the insert member 40, the second protrusion 54 passes over the projecting piece 52 and is elastically deformed. Engages in the second recess 56 in a direction perpendicular to the fitting direction of. As a result, the position of the cover member 42 with respect to the insert member 40 is maintained.

Energizing projections 58 are formed in the grooves 50 of the cover member 42 so as to project therefrom. Insert member 40
The first protrusion 46 of the tongue piece 44 of the
8 and the second projection 54 of the cover member 42 is engaged in the second recess 56 of the insert member 40, the biasing projection 58 corresponds to the portion of the first projection 46. Position to,
The tongue piece 44 is pushed to urge the first projection 46 in the engaging direction into the first recess 48. As a result, the shift lever knob 38 cannot be removed. The biasing convex portion 58 covers the cover member 42.
It has a semi-circular plate shape when viewed along the fitting direction.

With the above arrangement, the shift lever knob 38 attached to the upper end of the shift lever 16 is operated to shift the shift lever 16. The shift lever knob 38 is attached to the shift lever 16 in the following manner.

First, the cover member 42 is attached to the shift lever 1
The upper end of 6 is fitted to the outer periphery of the shift lever 16.

Next, the insert member 40 is fitted to the outer periphery of the shift lever 16 from the upper end of the shift lever 16 together with the shift lever knob 38. Accordingly, the first protrusion 46 elastically engages with the first recess 48 between the shift lever and the insert member in the direction perpendicular to the fitting direction. As a result, the mounting position of the shift lever knob 38 is held.

Next, the cover member 42 is attached to the shift lever 1
6 is fitted to the outer periphery of the insert member 40 toward the upper end. Along with this, the second protrusion 54 elastically engages with the second recess 56 between the cover member 42 and the insert member 40 in the direction perpendicular to the fitting direction. When the second projection 54 is engaged in the second recess 56, the biasing projection 58 is located between the tongue piece 44 and the cover member in the direction of engagement of the first projection 46 into the second recess 48. Energize piece 44. As a result, the shift lever knob 38 cannot be removed.

As a result, the conventional screw is not required for mounting the shift lever knob 38, and therefore, the tightening tool and the tightening work therefor are unnecessary, the mounting work is easy and quick, the cost is reduced, and the external appearance is achieved. There is no need for a separate treatment in consideration of the above.

Particularly, for an automatic transmission, the shift lever 16 is supported so as to be shiftable, and the tip end of the shift lever 16 is passed through the guide groove 22, and then the shift lever knob is attached to the penetrating tip end. Since the mounting of the shift lever knob 38 is performed, it is effective that the mounting of the shift lever knob 38 is facilitated.

As shown in FIG. 1, if a rib (projection) is provided on the inner periphery of the insert member 40, the insert member 40 is press-fitted onto the outer periphery of the shift lever,
The occurrence of backlash can be effectively suppressed.

It should be noted that the projections 46 among the projections and depressions of the first projection and depression portion,
If the biasing protrusion 58 is formed so as to project in an arc shape when viewed along the fitting direction of the insert member 40 and the cover member 42, the cover member 42 is lowered downward and the biasing protrusion 58 is formed. It is possible to shift the
When the shift lever knob 138 is detached from the shift lever 16, the tongue piece 46 of the uneven portion can be elastically deformed, so that the detachment can be facilitated.

In the above embodiment, the concave 48 is formed on the shift lever 16 side and the convex 46 is formed on the insert member 40 side in the first uneven portion, and the concave 56 is the insert member 40 in the second uneven portion. Is formed on the side of the cover member 42, and the projections are formed on the 42 cover members.
Are formed on the cover member 42 side, but the present invention is not limited to this, and the concaves and convexes of the first concave-convex portion and the second concave-convex portion may be formed in reverse, and the biasing convex portion is the insert member. It may be formed on the side.

The number and shape of the first uneven portion, the second uneven portion, and the biasing convex portion are not limited to those in the above embodiment.

[0042]

According to the mounting structure of the shift lever knob of the present invention, the screw is not necessary, therefore, the tightening tool and the tightening work therefor are unnecessary, and the mounting work can be performed easily and quickly, and the cost can be reduced. Therefore, it is not necessary to take a separate treatment in consideration of appearance.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a shift lever knob mounting structure of the present invention.

FIG. 2 is a cross-sectional view of the mounting structure of the shift lever knob according to the present embodiment as seen along the extending direction of the shift lever.

FIG. 3 is a schematic exploded perspective view showing a shift lever device of an automatic transmission for a vehicle to which a shift lever knob mounting structure of the present embodiment is applied.

[Explanation of symbols]

 16 shift lever 38 shift lever knob 40 insert member 42 cover member 46 first convex (first uneven portion) 48 first concave (first uneven portion) 54 second convex (second uneven portion) 56 second concave (second) Concavo-convex part 58 Energizing convex part 60 Rib (projection)

Claims (3)

[Claims] 1. A structure for mounting a shift lever knob, wherein a base end portion is supported for shift operation so that a shift lever knob is attached to a distal end portion of the shift lever. An insert member fitted from the tip to the outer periphery of the shift lever, and provided between the shift lever and the insert member,
A first concavo-convex portion that elastically engages and disengages in a direction perpendicular to the fitting direction when the insert member is fitted to the outer circumference of the shift lever; and the shift lever before fitting the insert member to the outer circumference of the shift lever. A cover member that fits from the tip of the shift lever to the outer periphery of the shift lever, and that fits the insert member to the outer periphery of the shift lever and then fits to the outer periphery of the insert member toward the tip of the shift lever; A second concavo-convex portion provided between the insert member and elastically concavo-convexly engaged in a direction perpendicular to the fitting direction when the cover member is fitted to the outer periphery of the insert member; And a biasing convex portion that is provided between the member and biases the first concave-convex portion in the engaging direction in both engagement states of the first concave-convex portion and the second concave-convex portion. Shift lever knob Attachment structure. 2. The mounting structure for a shift lever knob according to claim 1, which is mounted on a shift lever for an automatic transmission. 3. The mounting structure for a shift lever knob according to claim 1, further comprising a protrusion that is provided between the shift lever and the insert member and press-fits the insert member into an outer periphery of the shift lever.