JP2002120580A - Base body for shift lever device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a base body for a shift lever device capable of preventing the deposition of a liquid on electric parts when the liquid deposited on the upper part of the shift lever device enters into a case and of normally functioning the electric parts. SOLUTION: The base body B of the case 12 has a liquid preventing wall 12c formed at the lower part of an opening portion Ia of a design member I. A through-hole 40 is provided in the liquid preventing wall 12c and a solenoid 41 is fixed to the lower face of the liquid preventing wall 12c with a screw 42. A liquid preventing wall 12d is extended downward from three sides except an X side of the outer periphery of the liquid preventing wall 12c. The solenoid 41 actuates a crank mechanism 45 (shift lock mechanism) to restrict the movement of a rod 26. When the liquid spills on the design member I, liquid drops from the opening portion Ia of the design member I and the counter X-side end of a guide hole cover C onto the liquid preventing wall 12c. However, the deposition f the liquid on the solenoid 41 covered with the liquid preventing walls 12c, 12d is prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shift lever device, and more particularly, to a base of a shift lever device.

[0002]

2. Description of the Related Art Conventionally, a vehicle equipped with an automatic transmission is provided with a shift lever device, and a shift position of the automatic transmission is designated by operating a shift lever of the shift lever device. I have.

[0003] As such a shift lever device, one disclosed in Japanese Patent Application Laid-Open No. 8-334167 is known. This shift lever device includes a case, a shift lever, a crank mechanism, and an electric solenoid.

A shift lever is supported on the case,
The shift lever is reciprocally swingable in a shift direction and a select direction with respect to the case. A zigzag guide hole is provided in the upper wall of the case, and a shift lever is inserted through the guide hole. Then, as the shift lever moves within the guide hole, the shift lever
Position, R position, N position, D position, D3 position, D2 position,
It is selectively located at any one of the L positions.

A solenoid mounting wall is provided below the front side wall of the case, and a solenoid is mounted and fixed above the solenoid mounting wall. The solenoid has a plunger that can move forward and backward, and a crank mechanism supported in a case is connected to the plunger. When the plunger advances or retracts due to the demagnetization of the solenoid,
The blocking member connected to the crank mechanism is selectively moved to an interference position or a non-interference position. When the blocking member is located at the interference position, the shift lever is moved away from the P position to the P position,
When the shift lever is located at the non-interfering position, the shift lever is allowed to move from the P position to the P release position and from the N position to the R position.

[0006] Excitation and demagnetization of the solenoid are performed under predetermined conditions, and the movement of the shift lever is regulated by the excitation and demagnetization of the solenoid.

[0007]

However, in the shift lever device, the solenoid is fixed above the solenoid mounting wall. As a result, when a liquid such as a drink is spilled onto the shift lever device, it is not preferable that the liquid travels inside the case of the shift lever device and adheres to the solenoid, causing the solenoid to malfunction electrically.

[0008] Accordingly, the present invention has been made in view of the above-described circumstances, and has as its object that when liquid adhering above the shift lever device enters the inside of the case, the liquid is applied to the electric parts. An object of the present invention is to provide a base body of a shift lever device that can prevent adhesion and can allow electric components to function normally.

[0009]

In order to achieve the above object, an invention according to claim 1 is a base body of a shift lever device mounted on a vehicle side, wherein the base body includes an electric component. The gist is that at least an upper part is covered and a part to which an electric component can be attached is integrally formed.

According to a second aspect of the present invention, in the first aspect, a housing body is formed integrally with the base body of the shift lever device, and the shift lever is guided to the housing body at a position corresponding to a shift position. The gist is that a guide hole is provided.

According to a third aspect of the present invention, in the first or second aspect, the electric component is arranged such that a lower surface thereof is flush with or above a lower surface of the base body. I do. (Operation) Therefore, according to the first aspect of the present invention, even if the liquid adhering to the outside of the shift lever device enters the inside of the shift lever device, the electric device attached to the lower surface side of the base body of the shift lever device. Since at least the upper part of the component is covered with the base of the shift lever device, the liquid does not adhere to the electric component.

According to the second aspect of the present invention, in addition to the operation of the first aspect, the housing body and the base body of the shift lever device are integrally formed, so that each is separately formed. In comparison with the above, the die manufacturing cost and the manufacturing cost are reduced.

According to a third aspect of the present invention, in addition to the function of the first or second aspect, the lower surface of the electric component is arranged so as not to protrude from the lower surface of the base of the shift lever device. Therefore, it is not necessary to provide the space on the side where the electric component accommodating space is installed, as compared with the case where the electric component is arranged protruding.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention applied to an automatic gate type shift lever device used in an automobile or the like will be described below with reference to FIGS.

In this embodiment, the downward direction in FIG. 6 is called the X direction, and the right direction is called the Y direction, and the X direction and the Y direction are orthogonal to each other. As shown in FIGS. 1 to 3, a case 12 of the shift lever device 11 is
Is mounted and fixed. The case 12 includes a base body B and a housing body H integrally formed on the upper half of the base body B substantially on the X side. The base body B corresponds to a base body of the shift lever device. The housing body H is formed so that the width in the Y and anti-Y directions is smaller than that of the base body B.
It is formed in the shape of an arc curved surface so as to have a vertex at the center in the anti-X direction. The base body B is mounted and fixed on the floor of the vehicle.

In the housing body H of the case 12, the lower ends of the side walls 12a and 12b on the side opposite to the Y direction are located below the base body B, and the through holes 13,
14 are formed respectively. A support shaft 15 is rotatably attached to both through holes 13 and 14.

As shown in FIG. 7, a through hole 16 is formed in the middle of the support shaft 15 in the longitudinal direction, and a bifurcated shape is formed at the base end of the shift lever 17 in the middle of the support shaft 15 in the longitudinal direction. Is externally fitted. A through hole 17b is formed in each of the grip portions 17a, and the through hole 17b of the grip portion 17a is formed.
A pin 18 is inserted into the through hole 16 of the support shaft 15 and the support shaft 15. A C-ring 19 is fitted to the tip of the pin 18 to prevent the pin 18 from coming off the support shaft 15. Then, with the pivotable support shaft 15 and the pin 18,
The shift lever 17 is in the X and anti-X directions with respect to the case 12,
And swing back and forth in the Y and anti-Y directions.

As shown in FIGS. 1 and 2, a rod 26 is fixed to the tip of the shift lever 17.
Project upward through guide holes 25a and 25b described later. A knob 27 is detachably fixed to an upper portion of the rod 26. A design member I is fixed to an upper portion of the housing body H of the case 12.

As shown in FIGS. 3 and 4, zigzag guide holes 25a and 25b are formed in the upper side wall of the housing H of the case 12 and the design member I so as to penetrate therethrough.
a and the guide hole 25b have the same shape. Since the upper surface of the housing body H is formed into an arcuate curved surface, the upper end of the guide hole 25a is located at a position higher than the opposite X-side end of the upper surface of the housing body H. I have.

As shown in FIG. 6, in the design member I,
At the plurality of bent portions of the guide hole 25b, the P position, the R position,
N position, D position, 3 position, 2 position, 1 position are each X
It is provided in order toward the direction. The end of the design member I opposite to the X side is further extended in the direction opposite to the X direction than the end of the housing body H opposite to the X side, and an opening Ia is formed at the end.

Then, when the shift lever 17 is X / anti-X
The rod 26 can be selectively moved to the P position, the R position, the N position, the D position, the 3 position, the 2 position, and the 1 position of the guide hole 25b by being swingable in the Y direction and the Y / anti-Y direction. It is possible to move. In FIG. 6, a broken line S1, a two-dot chain line S2, and a two-dot chain line S3 indicate when the shift lever 17 and the rod 26 are located at the P position, the R position, and the N position, respectively. Also, two-dot chain lines S4, S5, S6, S7
Shows a case where the rod 26 is located at the D position, the third position, the second position, and the first position, respectively. The shift lever 17
The position is determined at each of the positions by a detent mechanism (not shown).

As shown in FIGS. 1 and 4, between the upper wall of the housing H of the case 12 and the design member I, a guide hole cover C for preventing foreign matter from entering the case 12 from the guide hole 25a is provided. Intervened. The guide hole cover C is provided with a through hole Ca, and a rod 26 is provided in the through hole Ca.
Is inserted.

The through-hole Ca of the guide hole cover C is formed so as not to interfere with the movement of the shift lever 17 even if the shift lever 17 swings in the Y and anti-Y directions. Further, the guide hole cover C slides between the upper side wall of the housing body H and the design member I following the swing of the shift lever 17 in the X and anti-X directions.

As shown in FIG. 1, the end of the guide hole cover C opposite to the X side is positioned within the opening Ia of the design member I when the rod 26 is located at the P position S1. ing. Further, the end of the guide hole cover C opposite the X side is shown in FIG.
As shown in the figure, the rod 26 is in the N position S3, the D position S4,
When it is located at the position S5, it is located above a liquid barrier 12c to be described later (see FIG. 8, and FIG.
Shows a state in which the rod 26 is located at the N position S3. ).

Further, when the rod 26 is located at the second position S6 and the first position S7, the opposite end of the guide hole cover C is farther than the position of the opposite end of the guide hole 25a. It is located on the X side. In FIG. 3, the two-dot chain line Cb indicates the position of the end of the guide hole cover C opposite to the X side when the rod 26 is located at the first position S7.

As shown in FIGS. 1, 3, and 5, the solenoid housing is located on the upper surface of the base body B of the case 12 at a position near the side opposite to the X side of the housing body H and below the opening Ia of the design member I. The part S is provided in a protruding manner. The solenoid housing portion S corresponds to a portion to which an electric component can be attached.
The solenoid accommodating portion S extends downward from three sides of the liquid-proof wall 12c, which is substantially horizontal and has a rectangular shape, excluding the X side of the outer periphery thereof, and is integrally connected to the base body B. And a liquid-proof wall 12d. The X-side end of the liquid-proof wall 12c in the solenoid storage section S is located on the X-side from the non-X-side end of the upper surface of the housing body H.

The end of the liquid barrier 12c and each liquid barrier 12d
Are formed integrally, and the ends of the adjacent liquid-proof walls 12d are also integrally formed. A through hole 40 is provided in the liquid-proof wall 12c, and an electric solenoid 41 is fixed to the lower surface of the liquid-proof wall 12c by screwing a screw 42 through the through-hole 40. The solenoid 41 corresponds to an electric component.

The through hole 40 is closed by a screw 42 without any gap. The solenoid 41 is covered by a solenoid housing S, and the lower surface of the solenoid 41 is
Is arranged so as to be flush with the lower surface of the base body B.

The plunger 41a of the solenoid 41 moves in the anti-X direction and in the X direction so as to be able to move forward and backward when the magnet is demagnetized.
A ring-shaped hook 41b is provided at the tip of the plunger 41a.
Is formed, and a flange 41c is formed to project from the intermediate portion. From the base end of the plunger 41a to the flange 4
A spring 43 is wound between 1c.

As shown in FIGS. 1 and 2, a crank mechanism 45 as a shift lock mechanism is provided on the inner surface of the side wall 12a of the case 12. The crank mechanism 45 includes a first link 45a, a second link 45b, and a third link 45c.
It has.

A pipe 46 is provided at the lower end of the first link 45a. Both side walls 1 in the pipe section 46
The first link 45a is rotatable around the pin 47 by inserting the pin 47 supported between 2a and 12b. A projection 49 is formed at the center of the first link 45a, and the projection 49 is disposed in the hook 41b of the plunger 41a. A first interference part 50 is formed at the upper end of the first link 45a.

On the other hand, a second link 45b is provided on the X direction side of the first link 45a. The second link 45b is inserted through the center of the side wall 12a and is rotatably supported by a stop pin 51 fixed to the side wall 12a. The second link 45b
A second interference portion 52 is formed at the upper end of the second member.

Both ends of a third link 45c are operatively connected to a central portion of the first link 45a and a lower end of the second link 45b. Then, as shown in FIGS. 6 and 8, when the solenoid 41 is excited, the plunger 41a
Is retracted into the solenoid 41 body against the bias of the spring 43, and the first interference portion 50 and the second
The second interference part 52 of the link 45b is located at the first non-interference position Fa and the second non-interference position Sa, respectively. On the other hand, when the solenoid 41 is demagnetized, the plunger 41a advances from the main body of the solenoid 41 by the bias of the spring 43, and moves the first interference part 50 and the second interference part 52 to the first interference position Fb and the second interference part 52, respectively. 2 Positioned at the interference position Sb.

As shown in FIG. 6, the first link 45a
When the first interference unit 50 is located at the first interference position Fb,
When the shift lever 17 is to be moved from the P position S1 to the R position S2, the shift lever 17 comes into contact with the first interference portion 50, and the first interference portion 50 comes into contact with the side wall 12a. Therefore, the shift lever 17 cannot move to the R position S2.
When the second interference portion 52 of the second link 45b is located at the second interference position Sb, the shift lever 17 is moved to the N position S.
When the shift lever 17 is to be moved from the position 3 to the R position S2, the shift lever 17 contacts the second interference portion 52, and the second interference portion 52 contacts the side wall 12b. Therefore, the shift lever 17 cannot move to the R position S2.

The first interference part 50 is located at the first interference position F.
b, the shift lever 17 is moved from the R position S2 to the P position S1.
Presses the first interference unit 50 in the anti-X direction. Then, the plunger 41 of the solenoid 41 via the crank mechanism 45
a is retracted from the position where it is advanced against the bias of the spring 43, the first interference portion 50 is moved to the first non-interference position Fa.
And the shift lever 17 is moved to the P position S1.

The second interference portion 52 is located at the second interference position S.
b, the shift lever 17 is moved from the R position S2 to the N position S3.
Presses the second interference part 52 in the X direction. Then, the plunger 41a of the solenoid 41 via the crank mechanism 45
Retreats from the position where it has advanced against the bias of the spring 43, the second interference portion 52 is moved to the second non-interference position Sa, and the shift lever 17 is moved to the N position S3.

Next, the characteristic operation of the base body B of the shift lever device 11 configured as in this embodiment will be described. The upper part of the solenoid 41 is covered by a liquid-proof wall 12c of a base body B of the case 12, and the side surface of the solenoid 41 other than the X side is covered by a liquid-proof wall 12d of the case 12. As a result, for example, when a drink (hereinafter, referred to as a liquid) spills on the design member I, the liquid penetrates the surface of the design member I and penetrates into the opening Ia. And
Even if the liquid drips downward from the opening Ia, only the upper surface of the liquid-proof wall 12c gets wet,
No liquid adheres to the solenoid 41 because it is covered by the second liquid barriers 12c and 12d.

Further, when a liquid is spilled into the guide hole 25b of the design member I, the following occurs depending on the position of the rod 26. When the rod 26 is located at the P position S1,
As shown in FIG. 1, the liquid penetrates into the end of the guide hole cover C opposite the X side via the guide hole 25 b and the upper surface of the guide hole cover C. Then, the liquid flows into the opening Ia of the design member I.
And drops on the upper surface of the liquid-proof wall 12c through the opening Ia, and has the same operation as the above-described operation.

On the other hand, when the rod 26 is in the N position S3 and the D position S
When located at the fourth or third position S5, as shown in FIG.
The liquid penetrates into the non-X side end of the guide hole cover C via the guide hole 25b and the upper surface of the guide hole cover C. Then, the liquid drips on the upper surface of the liquid-proof wall 12c, and has the same operation as the above operation. In addition, in FIG.
Only the case where 6 is located at the N position S3 is shown. Further, when the liquid spills into the guide hole 25b of the design member I when the rod 26 is located at the R position S2, the same operation as when the rod 26 is located at the P position S1 or the D position S4. To play.

When the rod 26 is located at the first position S7, the end of the guide hole cover C opposite to the X side is connected to the guide hole 25.
The position a is located further on the anti-X side than the position on the anti-X side end (see the two-dot chain line Cb in FIG. 3).

For this reason, when the liquid penetrates into the opposite end of the guide hole cover C through the guide hole 25b and the upper surface of the guide hole cover C, the liquid flows from the opposite end of the guide hole cover C to the upper surface of the housing body H. Drops near the two-dot chain line Cb (see FIG. 3). The upper surface of the housing body H is an arc-shaped curved surface, and the liquid dripping on the upper surface of the housing body H passes through the lower end of the upper surface of the housing body H on the opposite side to the X side, and the upper surface of the liquidproof wall 12c. And has the same effect as the above.

In addition, when the liquid is spilled into the guide hole 25b of the design member I when the rod 26 is located at the second position S6, the same operation as when the rod 26 is located at the first position S7 is performed. Play.

Therefore, the shift lever device 1 of the present embodiment
According to the first base body B, the following effects can be obtained. (1) In the present embodiment, the upper side of the solenoid 41 is covered by the liquid-proof wall 12c of the base body B of the case 12, and the side other than the X-side of the solenoid 41 is the liquid-proof wall 12d of the base body B.
Covered in. Therefore, the liquid spilled on the surface of the design member I penetrates into the shift lever device 11 through the opposite end of the design member I and the guide hole 25b, and the solenoid 4
Even if the liquid drops above 1, the liquid does not adhere to the solenoid 41, and the solenoid 41 can function normally.

(2) In this embodiment, the case 12 is formed by integrally molding the housing body H and the base body B.
Therefore, compared with the case where the housing body H and the base body B are separately formed, the die manufacturing cost and the manufacturing cost can be suppressed.

(3) In the present embodiment, the lower surface of the solenoid 41 is arranged so as not to protrude from the lower surface of the base body B. Therefore, as compared with the case where the lower surface of the solenoid 41 is arranged so as to protrude from the lower surface of the base body B, other members provided on the floor side when the base body B is mounted and fixed on the floor of the vehicle (not shown) There is no interference with. (Other Embodiments) Each of the above embodiments may be modified and embodied in the following other embodiments.

In the above embodiment, the lower surface of the solenoid 41 is arranged so as to be flush with the lower surface of the base body B of the case 12. However, the present invention is not limited to this, and the lower surface of the solenoid 41 may be disposed above the lower surface of the base body B of the case 12. Further, the lower surface of the solenoid 41 may be disposed so as to protrude from the lower surface of the base body B of the case 12. In this case, a space for accommodating the solenoid 41 is provided on the floor side.

In the above-described embodiment, the liquid-proof wall 12d is provided on the outer periphery of the liquid-proof wall 12c from three sides except the side on the X side downward. However, three liquid barriers 12d
May be omitted. In this case, the solenoid storage section S is configured by the liquid barrier 12c. Alternatively, the solenoid storage section S is configured by at least one of the three liquid barriers 12d and the liquid barrier 12c.

The liquid barriers 12c and 12d of the above embodiment
Has been provided on the assumption that the liquid drips from the opening Ia of the design member I and the end of the guide hole cover C opposite the X side. However, the present invention is not limited thereto, and the liquid-proof walls 12c and 12d may be provided on the assumption that the liquid drip from other gaps of the design member I and the opposite end of the upper side wall of the housing body H on the X side.

In the above-described embodiment, the liquid-proof walls 12c and 12d for protecting the solenoid 41 from the intruding liquid are embodied in the automatic gate-type shift device. However, the present invention is not limited thereto, and the liquid barriers 12c and 12d may be embodied in an automatic shift device having a linear guide hole and a manual shift device.

In the above embodiment, the solenoid 41 is used as an electric actuator. However, another electrically operated actuator such as an electric motor may be used. -In the said embodiment, the solenoid 41 was employ | adopted as an electric component. However, the present invention is not limited to this, and an electric motor, a unit in which a solenoid and a control circuit are unitized, a unit in which an electric motor and a control circuit are united, and the like may be adopted as electric components.

In the above embodiment, the housing body H and the base body B are formed integrally, but they may be formed separately.

[0052]

According to the first to third aspects of the present invention, at least the upper part of the electric component is covered with the base of the shift lever device. Therefore, when the liquid adhering to the outside of the shift lever device enters the inside of the shift lever device, the liquid can be prevented from adhering to the electric components, and the electric components can function normally.

According to the second aspect of the present invention, since the base body and the housing body of the shift lever device are integrally formed, the cost for manufacturing the mold and the cost for manufacturing the mold are different from the case where they are separately formed. Can be suppressed.

According to the third aspect of the present invention, since the lower surface of the electric component does not protrude from the lower surface of the base of the shift lever device, there is no need to provide a storage space for the electric component on the vehicle side. The base body of the shift lever device can be easily attached to the vehicle.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional front view of a shift lever device according to an embodiment.

FIG. 2 is a partial cross-sectional side view of the shift lever device according to the embodiment.

FIG. 3 is a perspective view of a case according to the embodiment.

FIG. 4 is a perspective view of a design member and a guide hole cover according to the embodiment.

FIG. 5 is a sectional view taken along line AA in FIG. 3;

FIG. 6 is a plan view of a case according to the embodiment.

FIG. 7 is a perspective view of a shift lever, a rod, and the like in the embodiment.

FIG. 8 is a partial cross-sectional front view showing the operation of the crank mechanism.

[Explanation of symbols]

25a: Guide hole, 41: Solenoid as an electric component, B: Base body as a base body of a shift lever device, H: Housing body, S: Solenoid housing part as a part to which electric parts can be attached.

Claims (3)

[Claims] 1. A base body of a shift lever device mounted on a vehicle, wherein the base body covers at least an upper part of an electric component and is integrally formed with a part to which the electric component can be mounted. The base body of the shift lever device. 2. The base body of the shift lever device,
The base body of the shift lever device according to claim 1, wherein the housing body is integrally formed, and the housing body is provided with a guide hole for guiding the shift lever to a position corresponding to the shift position. 3. The base of the shift lever device according to claim 1, wherein the lower surface of the electric component is disposed so as to be flush with or above the lower surface of the base body. body.