JP2004190714A - Shift lever mis-operation prevention device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To form a mis-operation preventing device with simple structural members. <P>SOLUTION: This shift lever mis-operation prevention device used for the gear-shift operation of a transmission comprises a gate plate 55 having a staggered gate 5 restricting the gear-shift positions of D, N, R, and P, a gear-shift lever 1 moving along the configuration of the staggered gate 5 in the staggered gate 5 of the gate plate 55, a slider 2 acting to partly restrict the operation of the gear-shift lever, a spring 3 developing a spring reaction so as to always press the slider 2 in a specified direction, a cam lever 4 operating to restrict the movement of the slider 2 in the direction of the spring 3 against the spring reaction, and a solenoid 6 controlling the operation of the cam lever 4. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a staggered gate type shift device in which shift positions such as P, R, N, D, and L in an automatic transmission are formed in a staggered manner. However, the present invention relates to a device for preventing an erroneous operation of an R position which is prevented from being unexpectedly shifted to a reverse position (R position).
[0002]
[Prior art]
The R position erroneous operation prevention device in the conventional staggered gate type shift device is disclosed in, for example, Japanese Utility Model Laid-Open No. 7-41132 or Japanese Utility Model Laid-Open No. 7-41133, in which the shift lever is set to a neutral position (N position) or a parking position. (P position), a shift lever is provided by directly driving these holding members by a solenoid mechanism or indirectly restricting the movement of the holding members by a solenoid mechanism. Is restricted from the N position to the R position or from the P position to the R position (shift operation). By operating such a holding member, an erroneous operation of the shift lever to the R position is prevented.
[0003]
[Problems to be solved by the invention]
By the way, in the above-mentioned conventional one, it is necessary to take a large operating range (stroke amount) of the solenoid, or in order to make the holding member make a complicated movement, the entire erroneous operation prevention device has to be a complicated mechanism. There is a problem that it cannot be obtained. As a result, there is a problem that the whole apparatus becomes complicated and the production cost is increased. In order to solve such a problem, the staggered gate type shift device having a simple mechanism in which the erroneous operation prevention device is made up of a slider, a cam, a solenoid, etc., which moves in a simple manner, and having a low manufacturing cost. It is an object (problem) of the present invention to provide a device for preventing erroneous operation in a device.
[0004]
[Means for Solving the Problems]
In order to solve the above problems, the present invention has taken the following measures. That is, according to the first aspect of the present invention, a staggered gate that controls a shift operation of a transmission and regulates each shift position with respect to an erroneous operation prevention device for shifting a shift lever to an R position in a staggered gate type shift device. A shift lever that moves in the shape of the staggered gate, a slider that operates to partially regulate the operation of the shift lever, and a spring reaction force that always presses the slider in a fixed direction. A spring, a cam lever that operates to regulate the movement of the slider in a direction against the spring reaction force of the spring, and a solenoid that controls the operation of the cam lever. And
[0005]
By adopting such a configuration, in the present invention, the slider is fixed by engaging the cam portion of the cam lever with the slider. As a result, the shift lever is restricted from moving from the N position to the R position or from the P position to the R position. As a result, the operator does not accidentally operate the shift lever to the R position. That is, erroneous operation of the shift lever to the R position is prevented.
[0006]
Next, the second aspect of the invention will be described. This is also basically the same as the first aspect. That is, according to the present invention, in the shift lever erroneous operation prevention device according to claim 1, the slider is configured such that the planar shape is a U-shape, and the two columns that form the U-shape are provided. A coil spring for applying a spring reaction force to the slider is provided at the shape of the slider, and the spring reaction force of the coil spring is applied in a direction perpendicular to the shift direction of the shift lever and the slider is moved to the shift lever side. It was decided to adopt a configuration to act to press against By adopting such a configuration, similarly to the first aspect of the present invention, it is possible to effectively prevent erroneous operation of the shift lever to the R position. Then, a device exhibiting such an erroneous operation prevention function can be formed by a slider, a cam lever, or the like in a simple form, and the manufacturing cost of the entire device can be reduced. .
[0007]
Next, a third aspect of the present invention will be described. This is also basically the same as the first or second aspect. That is, in the present invention, in the shift lever erroneous operation prevention device according to claim 1 or 2, the cam lever is caused to swing in a plane perpendicular to a plane including the moving direction of the slider. In addition, a configuration is adopted in which the cam portion of the cam lever is engaged between the two columnar portions forming the slider, thereby restricting the movement of the slider. By adopting such a configuration, in the device of the present invention, the erroneous operation prevention device can be installed in a compact state around the shift lever. That is, according to the present invention, a slider that slides in the same plane and in a direction perpendicular to the so-called shift direction in which the shift lever moves to D, N, R, and P is provided. A cam lever that swings in a plane perpendicular to a plane including the movement direction of the slider is provided, and the swing movement of the cam lever is controlled by a solenoid. By installing a slider, a cam lever, and the like around it, the erroneous operation prevention device can be provided in a compact manner, and the space of the entire device can be saved.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to FIGS. The staggered gate, which relates to the present embodiment, is responsible for a shift operation of a transmission as shown in FIGS. 1 and 2, and regulates each shift position such as D, N, R, and P. 5, a shift lever 1 that moves within the staggered gate 5 of the gate plate 55 according to the form of the staggered gate 5, and a part of the operation of the shift lever 1 is restricted. , A spring 3 that exerts a spring reaction force so as to always press the slider 2 in a fixed direction, and restricts the movement of the slider 2 in a direction against the spring reaction force of the spring 3. It basically comprises a cam lever 4 that operates as described above, and a solenoid 6 that controls the operation of the cam lever 4.
[0009]
In such a configuration, the gate plate 55 is provided with a gate groove (staggered gate) 5 in which the shift lever 1 moves in a shift direction such as D, N, R, P or the like. Is what it is. The gate groove (staggered gate) 5 is formed so as to be bent at a right angle so as to regulate each shift position such as D, N, R, and P. Further, the shift lever 1 moves in such a staggered gate 5.
[0010]
As shown in FIG. 1, the shift lever 1 that moves within the staggered gate 5 is responsible for the shifting operation of the transmission, and swings in the shift direction with the O1 point, which is one of the attachment points, as a fulcrum. In addition to the oscillating motion, the oscillating motion is performed in the select direction with the other mounting point O2 as a fulcrum.
[0011]
A slider 2 having a U-shape is provided at the lower surface of the gate plate 55 in which a part of the shift lever 1 is inserted and operated. The slider 2 is in a state where one side of the shift lever 1 is always in contact with the slide lever 1 and has a slide portion 21 having a linear shape, and is provided in a direction perpendicular to the slide portion 21. And two support columns 22 provided in parallel with each other. The slide portion 21 and the two columnar portions 22 form a U-shape in plan view. Then, the slide portion 21 of the slider 2 having such a U-shape is installed in a state parallel to the shift direction of the shift lever 1 and, while maintaining such a state, The slider 2 is provided so as to be able to move in its entirety in a select direction which is a direction perpendicular to the shift direction (see FIG. 4).
[0012]
As shown in FIGS. 1 and 2, a coil spring 3 is mounted on the two pillar-shaped portions 22 forming the slider 2. One end of the coil spring 3 contacts one side surface of the slide portion 21 of the slider 2, and the other end accommodates the gate plate 55 or the slider 2. This is designed to engage with a part of the housing 9. By providing such a coil spring 3, the slider 2 is pressed so that the slide portion 21 thereof always contacts one side surface of the shift lever 1 (see FIG. 2).
[0013]
As shown in FIGS. 2 and 3, a cam lever 4 that operates in response to the operation of the solenoid 6 is provided on a side of the slide portion 21 forming the slider 2 opposite to the side that comes into contact with the shift lever 1. Is provided. The cam lever 4 swings in a plane perpendicular to the plane formed by the gate plate 55, and the swing movement is controlled by the reciprocating linear movement of the solenoid 6. It is something that has become. When the tip of the cam lever 4 is lifted upward by the operation of the solenoid 6, the side surface of the cam 41 formed at the tip of the cam lever 4 is attached to the slide 21 of the slider 2. It is designed to engage (see FIG. 2). Accordingly, in this state, the backward movement of the slide portion 21 forming the slider 2 is regulated, and the slide portion 21 is fixed. Accordingly, the movement of the shift lever 1 from the N position to the R position and the movement from the P position to the R position are restricted (see FIG. 4). As a result, an erroneous operation preventing function for the R position is exhibited.
[0014]
Next, an operation mode and the like of the present embodiment having such a configuration will be described. First, in a normal state, for example, when the engine is running and the vehicle is in a runnable state, or when the vehicle is in a parking state, as shown in a solid line in FIG. 2 or FIG. The cam portion 41 is lifted upward, and the side surface portion of the cam portion 41 engages with the slide portion 21 of the slider 2 to hold the slider 2 in a fixed state. In such a state, the shift lever 1 cannot move to the R position in the staggered gate 5. That is, it is fixed at the P position or can only move between D and N. Therefore, during traveling at the D position, it is possible to prevent the shift to the R position by mistake. In addition, it is possible to prevent a sudden shift from the stop state to the R position.
[0015]
Next, in such a state, for example, when the driver performs an operation such as stepping on the brake petal, as shown in FIG. 3, the solenoid 6 operates so as to pull down the tip of the cam lever 4 downward. As a result, the cam portion 41 provided at the tip of the cam lever 4 descends downward. This allows the slider 2 to freely move, that is, move the shift lever 1 in the select direction (see the broken line in FIG. 4). In such a state, the shift lever 1 can be moved in the select direction while resisting the spring reaction force of the coil spring 3 acting via the slide portion 21 of the slider 2, so that the shift lever 1 can be operated. The driver (driver) can move the shift lever 1 from the N position to the R position in the staggered gate 5 or from the P position to the R position. That is, the shift operation to the R position can be freely performed based on one's own will.
[0016]
The erroneous operation prevention mechanism according to the present embodiment that operates as described above and has the above-described configuration is formed based on simple components such as the slider 2, the spring 3, and the cam lever 4. The manufacturing cost can be kept low. In addition, the slider 2, the spring 3, the cam lever 4, the solenoid 6, and the like are installed around the shift lever 1 and the gate plate 55 in a compact state, thereby saving space around the shift lever 1. Will be able to do it.
[0017]
【The invention's effect】
According to the present invention, the staggered gate type shift device relates to a device for preventing a shift lever from being erroneously operated to the R position, which is responsible for a shift operation of a transmission, and the staggered gate for regulating each shift position is provided within the staggered gate. A shift lever that moves according to the form of a guard gate, a slider that operates to partially regulate the operation of the shift lever, and a spring that exerts a spring reaction force so as to always press the slider in a fixed direction. A cam lever that operates to restrict the movement of the slider in a direction that opposes the spring reaction force of the spring, and a solenoid that controls the operation of the cam lever, are employed. The slider is fixed by the cam portion of the cam lever being engaged with the slider. Becomes, thereby, the shift lever became moved from N position to the R position, or from the P position to move to the R position is restricted. As a result, the operator does not accidentally operate the shift lever to the R position, and the erroneous operation of the shift lever to the R position is prevented.
[0018]
Further, in the present invention, the slider is configured so that the planar shape is a U-shape, and a spring reaction force is applied to the slider at two pillar-shaped portions forming the U-shape. A configuration is adopted in which a coil spring to be applied is provided, and the spring reaction force of the coil spring acts in a direction perpendicular to the shift direction of the shift lever to press the slider toward the shift lever. Therefore, it is possible to form a device exhibiting an erroneous operation prevention function with a simple form of a slider, a cam lever, or the like, and to reduce the manufacturing cost of the entire device. .
[0019]
Further, in the present invention, the cam lever is caused to swing in a plane perpendicular to a plane including the moving direction of the slider, and a cam portion of the cam lever forms the slider. Since the configuration is adopted in which the movement of the slider can be restricted by engaging between the columns of the book, the erroneous operation prevention device is installed in a compact state around the shift lever. Is now available. As a result, space saving of the entire apparatus can be achieved.
[Brief description of the drawings]
FIG. 1 is a developed perspective view showing the overall configuration of the present invention.
FIG. 2 is a perspective view showing a locked (fixed) state of a slider according to the present invention.
FIG. 3 is a perspective view showing an unlocked state of a slider according to the present invention.
FIG. 4 is a plan view showing a locked state and an unlocked state of a slider according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Shift lever 2 Slider 21 Slide part 22 Prop part 3 Spring (coil spring)
4 Cam lever 41 Cam part 5 Staggered gate (gate groove)
55 Gate plate 6 Solenoid 9 Housing

Claims (3)

A shift lever that is responsible for a shift operation of the transmission and moves within a staggered gate that regulates each shift position in accordance with the form of the staggered gate, and partially regulates the operation of the shift lever. A slider that operates, a spring that exerts a spring reaction force so as to always press the slider in a fixed direction, and a cam lever that operates to regulate movement of the slider in a direction against the spring reaction force of the spring. And a solenoid that controls the operation of the cam lever. The shift lever erroneous operation prevention device according to claim 1, wherein the slider has a U-shaped planar shape, and the slider is provided at two pillar-shaped portions forming the U-shaped shape. A coil spring that applies a spring reaction force to the shift lever in a direction perpendicular to the shift direction of the shift lever and presses the slider toward the shift lever. A shift lever erroneous operation prevention device characterized in that: 3. The shift lever erroneous operation prevention device according to claim 1, wherein the cam lever is caused to swing in a plane perpendicular to a plane including a moving direction of the slider, and the cam lever is moved. A shift lever erroneous operation prevention device, characterized in that a cam portion is configured to be engaged between two pillar-shaped portions forming the slider so as to restrict the movement of the slider.

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