JPH0645157U - Auto change lever for automobile - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide an auto change lever for an automobile, which prevents the lock bracket from being deformed due to an erroneous operation during shift lock. [Structure] The push rod that transmits the pushing force of the push button to the guide pin is formed of an elastic member that elastically deforms under a predetermined load, and when the push button is forcibly pressed in the shift lock state, the push rod is elastically deformed. It is characterized by absorbing an excessive load.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an automatic change lever for an automobile, and more particularly to a change lever for preventing deformation of a lock bracket due to erroneous operation.

[0002]

[Prior art]

 In recent automobiles, various automatic transmissions have been adopted in order to reduce the driving operation while driving. For example, the operation of a change lever controls the supply of hydraulic pressure to automatically change the transmission gears. What you have done is known. In such an automatic transmission, the push button of the knob is pushed in, the guide pin is slid downward through the push rod, the guide pin is released from the lock of the guide plate, and the change lever can be swung. A change lever structure that can be operated is adopted, but in such a structure, when switching from the parking range P to the driving range, for example, the drive range D, if the accelerator pedal is mistakenly depressed with the brake pedal, runaway will occur. Is concerned. Therefore, the conventional automobile auto change lever is provided with a lock plate below the guide pin to limit downward sliding of the lock pin at the parking position, and when the brake pedal is depressed, the lock plate is swung to guide the guide pin. There is one that allows a lower slide and can switch to the driving range.

[0003]

[Problems to be solved by the device]

 However, with the conventional auto change lever for automobiles described above, if the push button of the knob is accidentally pushed hard in the shift lock state where the lower slide of the guide pin is restricted, the guide pin will hit the lock plate and hit the lock plate. There is a problem that a large load acts and the lock plate deforms. In particular, if the driver is not accustomed to the operation, it is judged that the pushing force of the push button is insufficient to unlock the change lever, and the push button tends to be pushed forcibly, which causes the above-mentioned problem. I was worried. Therefore, in order to prevent the lock plate from being deformed due to an erroneous operation, it was necessary to manufacture the lock plate from a thick iron plate. In view of such problems, it is an object of the present invention to provide an automobile automatic change lever that prevents deformation of the lock plate due to erroneous operation.

[0004]

[Means for Solving the Problems]

 In view of this, the automobile auto change lever according to the present invention is configured such that "the push pin is pushed to slide the guide pin downward to release the lock with the guide plate, while swinging the lower slide of the guide pin at the parking position. In an auto change lever for automobiles, which is restricted by a lock plate that can be used, a push rod that transmits the pushing force of the push button to the guide pin is installed inside the change lever, and the push rod is elastically deformed under a predetermined load. The push rod is elastically deformed while the downward sliding of the guide pin is prevented by a pushing load of a predetermined value or more of the push button in the shift lock state. To do. The push rod has only to be elastically deformable under a predetermined load, and can be formed of, for example, a leaf spring or a synthetic resin rod.

[0005]

[Action]

 When the push button is pushed in while the shift lock is released, the push rod slides downward and pushes the guide pin downward. On the other hand, in the shift lock state, if the push button is pressed hard by mistake, the guide pin is restricted from sliding downward by the lock plate. The lock plate is elastically deformed, and as a result, an excessive load is absorbed, so that the excessive load does not act on the lock plate.

[0006]

【Example】

 Hereinafter, the present invention will be described in detail based on specific examples shown in the drawings. 1 to 3 show an automobile automatic change lever according to an embodiment of the present invention. In the automatic change lever 1 for an automobile, the change lever 2 is formed by using a pipe, and a mounting shaft 20 is provided at the lower end of the change lever 2 so that the change lever 2 is attached to the device body B so as to be swingable in the longitudinal direction. Has been. A knob 22 is provided at the upper end of the change lever 2, and a push button 3 is attached to the knob 22 so as to be retractable. Further, a slide groove 21 is formed in the lower part of the change lever 2 in the axial direction, and a guide pin 4 is slidably inserted into the slide groove 21 with its tip protruding so that the guide pin 4 is provided below the guide pin 4. The spring member 8 for urging the guide pin 4 upward is compressed. On the other hand, a guide plate 5 is fixed to the side of the change lever 2 on the device body B by bolts and nuts. The guide plate 50 guides and locks the guide pin 4 when the change lever 2 is operated. Are formed. A lock plate 6 is rotatably attached to the attachment shaft 20 of the change lever 2, and the lock plate 6 is located below the guide pin 4 in the parking position to restrict downward slide of the guide pin 4 ( As shown in FIG. 1 (b)), when the brake pedal is depressed, the guide pin 4 is rocked forward to unlock the guide pin 4 (see arrow A in FIG. 1 (b)). Further, a push rod 7 is internally provided in the change lever 2, and a cam portion 70 that cooperates with the operation portion 30 of the push button 3 is formed at an upper end portion of the push rod 7. As shown in FIG. 2, the push rod 7 is formed by using a leaf spring that is elastically deformed by a predetermined load, and the plate surface is arranged so as to be perpendicular to the guide pin 4. The lower end is fixed to the mounting portion 40 of the guide pin 4.

Next, the function and effect will be described. When the gear shift range is changed from the parking P to the traveling range, for example, to the drive D, when the brake pedal is depressed, the lock plate 6 is swung forward and the shift lock is released. In this state, when the push button 3 is pushed in, the operating portion 30 of the push button 3 is laterally displaced, transmitted to the push rod 7 via the cam portion 70, and the push rod 7 slides downward. At that time, since the lock of the guide pin 4 by the lock plate 6 is released, the push rod 7 slides downward as it is, and the guide pin 4 also slides downward against the spring force of the spring member 8. The lock with the guide plate 5 is released, and the change lever 2 can be operated. On the other hand, when the push button 3 is erroneously pushed hard in the shift lock state, the guide pin 4 is restricted from sliding downward by the lock plate 4, so that a load larger than a predetermined amount acts on the push rod 7, and the push rod 7 is pushed. As shown in FIG. 3, the rod 7 is elastically deformed in an arc shape toward the rear end side of the guide pin 4 while displacing the rear end side of the guide pin 4 downward. The pushing load is absorbed, and a large pushing load does not act on the guide pin 4. As a result, the lock plate 6 is prevented from being deformed and its durability can be secured, and since a large load does not act on the lock plate 6, it becomes possible to manufacture an inexpensive lock plate 6 from a thin iron plate or synthetic resin. . In order to achieve the above-mentioned effects, it is necessary to set conditions such as elasticity of the push rod 7 in advance through experiments or the like.

[0008]

[Effect of device]

 As described above, according to the automobile auto change lever of the present invention, when the push button is forcibly pushed in during the shift lock, the push rod is elastically deformed to absorb an excessive load. It is possible to reliably prevent the lock plate from being deformed due to, thus ensuring the durability, increasing the degree of freedom in material selection, and manufacturing the lock plate at low cost.

[Brief description of drawings]

FIG. 1 is a diagram showing a relationship between an auto change lever for a vehicle and a lock plate and a guide pin according to an embodiment of the present invention.

FIG. 2 is a view showing a main part of the automobile automatic change lever.

FIG. 3 is a diagram for explaining the operation of the automobile auto change lever during shift lock.

[Explanation of symbols]

 1 Auto change lever for automobile 2 Change lever 3 Push button 4 Guide pin 6 Lock plate 7 Push rod

Claims (2)

[Scope of utility model registration request] 1. A push-button is pushed to slide the guide pin downward to release the lock with the guide plate, and the downward slide of the guide pin at the parking position is restricted by a swingable lock plate. In the auto change lever for automobiles, a push rod for transmitting the pushing force of the push button to the guide pin is provided inside the change lever, and the push rod is formed of an elastic member that elastically deforms under a predetermined load. An automatic change lever for an automobile, wherein the push rod is elastically deformed while the downward sliding of the guide pin is prevented by a pushing load of a predetermined value or more of the push button in a shift lock state. 2. The automobile automatic change lever according to claim 1, wherein the push rod is formed of a leaf spring or a synthetic resin rod.