JPH11123949A - Automatic transmission shift lever device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To downsize a member for imparting a shock absorbing function for an automatic transmission(AT) shift lever device, to facilitate fitting work therefor, and to reduce part items therefor. SOLUTION: This AT shift lever device for a vehicle is provided with a shift lever 1 attached to a base plate 10 freely to oscillate, a groove 10a for regulating an oscillation locus of the shift lever 1 formed in the base plate 10, a housing upper 3 provided with a designed face and having a groove 3a of a shape substantially same to the groove 10a, and a cover slide 4 arranged in a lower side of the groove 3a of the housing upper 3. An abutting part 4C abutting to an edge face of the groove 10a formed in the base plate 10 is provided in the cover slide 4. Alternatively, a rib is formed in the shift lever 1 instead of the abutting part 4C provided in the cover slide 4 to attach a shock absorbing member to the rib.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic transmission (hereinafter referred to as "AT") for a vehicular automatic transmission.
In particular, it relates to the buffer structure.

[0002]

2. Description of the Related Art FIGS. 7 and 8 show a conventional vehicle AT shift lever device. In the conventional device, as shown in FIG.
Are mounted to be swingable in two directions. A zigzag-shaped groove 10 a for regulating the swing trajectory of the shift lever 1 is provided on the upper surface of the base plate 10. The shift lever 1 is provided above the groove 10a.
A shock absorbing member 2 for reducing a hitting sound or a sliding sound hitting the edge surface of a is attached. The buffer member 2 is made of an elastic resin such as a thermoplastic elastomer, and is formed in a plate shape. As shown in FIG. 8, the buffer member 2 is provided with a hole 2 a having a shape substantially matching the shape of the above-described groove 10 a, and a plurality of pins 10 b provided on the upper surface of the base plate 10 are provided near the hole 2 a. A plurality of holes 2b are provided. The buffer member 2 is arranged so that the hole 2b of the buffer member 2 is inserted into the pin 10b, and is fixed to the upper surface of the base plate 10 by fixing a push nut (not shown) to the tip of the pin 10b. A housing upper 3 serving as a design surface of the AT shift lever device is attached to an upper portion of the base plate 10, and a groove 3a having the same shape as the groove 10a is formed. A groove 3 of the housing upper 3 is provided between the housing upper 3 and the base plate 10 and the cushioning member 2.
A cover slide 4 is provided to cover the inside of the shift lever device from a. Cover slide 4
Is composed of a member extending in the vehicle front-rear direction and a member extending in the vehicle left-right direction (only the member extending in the vehicle front-rear direction may be used), and is adapted to move with the swing of the shift lever 1. The lower part of 3a is always covered and concealed.

[0003]

However, the above conventional apparatus has the following problems. First, the buffer member 2 is formed so as to cover the periphery of the upper portion of the groove 10a, so that it is large, and the cost is high. In addition, the buffer member 2 is provided with a base plate 1 without rattling so as to reduce striking noise and sliding noise.
Since the pin 10b and the hole 2b, which are the engaging portions of the two, need to be strictly accurate, a large number of them are required, and the assembling work is difficult. In addition, it is necessary to assemble push nuts according to the number of pins 10b, which increases the number of assembling steps. An object of the present invention is to reduce the size of a member that performs a cushioning function, does not require many pins for mounting,
An object of the present invention is to provide a vehicle AT shift lever device capable of reducing the number of parts.

[0004]

The present invention for solving the above problems is as follows. (1) A shift lever that is swingably attached to the base plate, a groove formed in the base plate and through which a shift lever that regulates a swing trajectory of the shift lever is penetrated, and a design surface is provided, and substantially coincides with the groove of the base plate. A housing upper in which a groove having a shape is formed, and a cover slide which is arranged below the groove formed in the housing upper and moves with the swing of the shift lever, which prevents the inside of the shift lever device from being seen from the groove. An AT shift lever device for a vehicle, comprising: a cover slide provided with an abutting portion that abuts on an edge surface of a groove formed in a base plate. (2) a shift lever that is swingably attached to the base plate, a groove formed in the base plate and through which a shift lever that regulates a swing trajectory of the shift lever penetrates, and a design surface, wherein the groove of the base plate is provided; A housing upper in which a groove having a substantially matching shape is formed,
An AT shift lever device for a vehicle, wherein the shift lever is provided with a buffer member that abuts on an edge surface of a groove formed in the base plate.

In the vehicle AT shift lever device of the present invention, a contact portion is provided on the cover slide, and the conventional buffer member is omitted, and the buffer member is replaced with the color slide contact portion. Since the contact portion is smaller than the buffer member, the member that performs the buffer function can be made smaller. Further, the pin for stopping the cushioning member is not required, and the number of parts is reduced by eliminating the cushioning member and the pin. Also, the number of assembly steps of the push nut can be reduced, and the number of parts can be reduced by eliminating the push nut.

[0006]

1 and 2 show a vehicle AT shift lever device according to a first embodiment of the present invention. FIGS. 3 to 6 show a vehicle AT shift lever device according to a second embodiment of the present invention. 4 shows a lever device. Portions common to the first and second embodiments of the present invention are denoted by the same reference numerals throughout the first and second embodiments of the present invention. First, portions common to the first and second embodiments of the present invention will be described with reference to FIGS. 1, 2, and 3 to 6. FIG. In the vehicle AT shift lever device of the present invention, for example, as shown in FIG.
Are attached to the lower part of the base plate 10 so as to be swingable in two directions. FIG. 4 shows a more detailed structure, and shows that the shift lever 1 is attached to the base plate 10 by a shaft S and a pin P so as to be swingable in the vehicle front-rear direction and the left-right direction.
In addition, a zigzag (for example, as shown in FIGS. 5 and 6, a straight shape) groove 10 a for regulating the swing locus of the shift lever 1 is provided on the upper surface of the base plate 10.

As shown in FIG. 1, a housing upper 3 serving as a design surface of an AT shift lever device is attached to an upper portion of a base plate 10, and a groove 3a having a shape substantially corresponding to the groove 10a is formed. I have. That is,
When the groove 10a has a zigzag shape, the groove 3a also has a zigzag shape, and when the groove 10a has a straight shape, the groove 3a also has a straight shape. A cover slide 4 is provided between the housing upper 3 and the base plate 1 so as to cover the inside of the shift lever device from the groove 3a of the housing upper 3. The cover slide 4 is made of a resin material, and is preferably made of an elastic resin such as a thermoplastic elastomer.

The cover slide 4 is moved in the front-rear direction of the vehicle (FIG. 1).
(A vertical direction in FIG. 1) and a member 4B extending in the vehicle left-right direction (left-right direction in FIG. 1) (only the member 4A extending in the vehicle front-rear direction may be used). The cover slide 4 is configured to move with the swing of the shift lever 1. The cover slide 4 always covers and hides the lower part of the groove 3a. More specifically, a long hole L extending in the left-right direction is provided at the center of the member 4A, and a substantially circular hole C (not necessarily circular) is provided at the center of the member 4B. The shift lever 1 is inserted through the elongated hole L of the member 4A and the round hole C of the member 4B.

Next, a description will be given of a structural part unique to each embodiment of the present invention and its operation. In the first embodiment of the present invention, as shown in FIGS. 1 and 2, the member 4B communicates with the round hole C and allows the shift lever 1 to penetrate. Alternatively, a pair of plate members separated from each other through which the shift lever 1 passes may be provided.) The contact portion 4C is provided integrally. Since the member 4B and the contact portion 4C are formed integrally with the member 4B, they are made of the same material.

When both the member 4A and the member 4B are provided, as shown in FIG.
a member 4A of the cover slide 4 is disposed below
The member 4B is disposed below the member 4B. The contact portion 4C is a member 4B
And extends downward from the base plate 10 so as to enter the groove 10a formed on the upper surface of the base plate 10 so as to be able to contact the edge of the groove 10a in the horizontal direction.

The operation of the first embodiment of the present invention will be described. 1 and 2, when the shift lever 1 is swung, the members 4A and 4B of the cover slide 4 move together with the shift lever 1. Then, the cylindrical contact portion 4C provided integrally with the member 4B contacts and slides on the edge of the groove 10a formed on the upper surface of the base plate 10. Since the cover slide 4 moves together with the shift lever 1 and slides on the housing upper 3 and the base plate 10, the cover slide 4 is made of a thermoplastic elastomer having excellent elasticity and lubricity compared to the related art. For this reason, when the contact part 4 </ b> C comes into contact with and slides on the edge of the groove 10 a, generation of noise can be prevented.

Since the contact portion 4C plays the role of the conventional buffer member 2, the present invention eliminates the need to provide the conventional buffer member 2, and a plurality of pins 1 for stopping the buffer member 2.
It is not necessary to provide 0b. For this reason, the number of parts is reduced as compared with the conventional case, so that the cost is reduced and the assembling work is facilitated. The contact portion 4C does not need to be provided on the entire peripheral edge of the groove 10a as in the conventional cushioning member 2, and only needs to be a predetermined length around the shift lever, so that the size of the member performing the cushioning function is reduced. be able to. In addition, it is not necessary to perform a difficult operation of attaching the buffer member 2 so that the pin 10b enters the hole of the buffer member 2, and the assembling operation is facilitated accordingly.

FIGS. 1 and 2 show the case of a gate-type shift lever device in which the grooves 10a and 3a are mainly zigzag, but the present invention is directed to a straight type in which the grooves 10a and 3a extend straight in the vehicle longitudinal direction. It can also be applied to a type shift lever device. In the case of a straight-type shift lever device, a straight long hole in which the shift lever swings is formed in the housing upper, and one cover slide is provided to hide the inside from the long hole. By providing the above-mentioned contact portion (contact portion extending downward from the cover slide) to the cover slide, the shift lever can be moved to the P range and the L range (the front end and the rear end of each shift range provided in the vehicle longitudinal direction). Range), the front end of the edge of the linear groove provided on the upper surface of the base plate,
By making the contact portion abut on the rear end, it is possible to reduce the hitting sound of the shift lever. The shape of the contact portion may be formed by a pair of plate members extending substantially vertically from the cover slide, instead of the cylindrical shape as described above. That is, the contact portion may be disposed only at the portion that contacts the groove end of the base plate.

FIGS. 3 to 6 show a second embodiment of the present invention. In the second embodiment of the present invention, as shown in FIG. 3, the shift lever 1 is provided with a groove 3a provided in the housing upper 3.
, P, R, linearly arranged in the vehicle front-rear direction
It is possible to swing to the M range arranged on the lateral side of the vehicle in the N, D, 2, L range and D range. M
The range is a range for arbitrarily switching the gear of the automatic transmission by pressing a separately provided up-down switch (near the steering wheel). A cover slide 4A movable in the vehicle front-rear direction together with the shift lever 1 and a cover slide 4B movable in the vehicle left-right direction are provided below the groove 3a.

FIG. 4 shows a state in which the shift lever 1 is arranged in the D range. A portion of the shift lever 1 located in the groove 10a of the base plate 10 includes a shift lever 1
The rib 6 has a pair of walls 6a which are spaced apart from each other in a direction connecting the D range and the M range and are opposed to each other. The buffer members 5 are respectively attached to the pair of walls 6a (therefore, there are a pair of buffer members 5). One buffer member 5 hits the edge of the groove 10a of the base plate 10 when the shift lever 1 is shifted from the M range to the D range, and the other buffer member 5 is used when the shift lever 1 is shifted from the D range to the M range. It hits the edge of the groove 10 a of the base plate 10. Shift lever 1 into groove 1 in base plate 10
When moving from P range to L range along 0a,
The pair of buffer members 5 slide on both side surfaces of the groove 10a except for the M range. The pair of cushioning members 5 are formed of a thermoplastic elastomer and have elasticity and lubricity. An engaging portion 5a is formed in the buffer member 5, and the buffer member 5 is fixed to the wall 6a of the rib 6 by press-fitting or engaging the engaging portion 5a into a hole in the wall 6a.

The operation of the second embodiment of the present invention will be described. As shown in FIG. 6, the shift lever 1 is
The sliding operation is performed in the front-rear direction of the vehicle with the buffer member 5 slidably in contact with the zero groove 10a. Since the cushioning member 5 has lubricity and elasticity, a smooth shift operation (swing operation) can be performed without rattling in the vehicle left-right direction. When the shift lever 1 is switched between the D range and the M range, the buffer member 5 comes into contact with the groove 10 a of the base plate 10.
At this time, since the cushioning member 5 has elasticity, the hitting sound due to the contact, the shock and the vibration transmitted to the operator's hand are reduced.

Since the cushioning member 5 plays the role of the conventional cushioning member 2, the present invention eliminates the need to provide the conventional cushioning member 2, and provides a plurality (many) for stopping the cushioning member 2.
It is not necessary to provide the pin 10b. For this reason, the number of parts is reduced as compared with the conventional case, so that the cost is reduced and the assembling work is facilitated. The buffer member 5 does not need to be provided on the entire periphery of the groove 10a as in the conventional buffer member 2, and only one pair of ribs 6 provided on the shift lever 1 is required. Can be. Further, it is not necessary to perform a difficult work of attaching the buffer member 2 so that the pin 10b enters the hole of the conventional buffer member 2, and the assembling operation is facilitated accordingly.

[0018]

According to the vehicle AT shift lever device of the first aspect, since the contact portion is provided on the cover slide, the conventional buffer member can be omitted, and the contact portion is compared with the buffer member. Since it is small, the member that performs the buffer function can be made small. Further, the pin for stopping the conventional buffer member is not required, and the number of parts can be reduced by eliminating the buffer member and the pin. In addition, since it is not necessary to insert the hole of the buffer member into the pin as in the related art, the assembling operation can be simplified. Also, reduction of the man-hour for assembling the push nut,
The number of parts can be reduced by eliminating the push nut. According to the vehicle AT shift lever device of the second aspect, since the buffer member is provided on the shift lever, it is possible to omit the large buffer member provided on the entire circumference of the groove of the base plate as in the related art, and the buffer function is provided. Can be reduced. Further, a large number of pins for stopping the conventional buffer member are not required, and the number of parts can be reduced by eliminating the pins. In addition, since it is not necessary to insert the hole of the buffer member into the pin as in the related art, the assembling operation can be simplified. Also, the number of assembly steps of the push nut can be reduced, and the number of parts can be reduced by eliminating the push nut.

[Brief description of the drawings]

FIG. 1 is a plan view of a vehicle AT shift lever device according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a plan view of a vehicle AT shift lever device according to a second embodiment of the present invention.

FIG. 4 is a sectional view of FIG. 3;

FIG. 5 is a sectional view taken along line BB of FIG. 4;

FIG. 6 is a sectional view showing movement of a shift lever of FIG. 5;

FIG. 7 is a sectional view of a conventional AT shift lever device for a vehicle.

FIG. 8 is a plan view of a conventional AT shift lever device for a vehicle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shift lever 3 Housing upper 3a groove 4 Cover slide 4A, 4B member 4C Contact part 5 Buffer member 5a Engaging part 6 Rib 6a Rib wall 10 Base plate 10a Groove

Claims (2)

[Claims] A shift lever that is swingably attached to the base plate; a groove formed in the base plate, through which a shift lever that regulates a swing trajectory of the shift lever penetrates; a design surface; A housing upper in which a groove having a shape substantially coinciding with the groove is formed, and a shift lever that is disposed below the groove formed in the housing upper and prevents the inside of the shift lever device from being seen from the groove. An automatic transmission shift lever device for a vehicle, comprising: a moving cover slide, wherein the cover slide is provided with an abutting portion that abuts an edge surface of a groove formed in the base plate. A shift lever that is swingably attached to the base plate; a groove formed in the base plate through which a shift lever that regulates a swing trajectory of the shift lever penetrates; a design surface; A housing upper formed with a groove having a shape substantially coinciding with the groove, wherein the shift lever is provided with a buffer member that abuts against an edge surface of the groove formed in the base plate. Automatic transmission shift lever device for vehicles.