CN106321811A - Gear selecting and shifting inhaul cable structure - Google Patents

Abstract

The invention discloses a gear selecting and shifting inhaul cable structure which comprises a gear selecting and shifting inhaul cable and a steering mechanism. The gear selecting and shifting inhaul cable is connected with a transmission rocker arm through the steering mechanism so that the movement direction of the gear selecting and shifting inhaul cable and the movement direction of the transmission rocker arm can be the same. The steering mechanism comprises a mounting support, a first adapter arm and a second adapter arm, and the first adapter arm and the second adapter arm are rotationally arranged on the mounting support. The first adapter arm is provided with a first hinge hole and a second hinge hole, the second adapter arm is provided with a third hinge hole and a fourth hinge hole, and the four holes are located in the same plane and form a quadrangle structure. The gear selecting and shifting inhaul cable is hinged to the first adapter arm which is hinged to a first connecting rod, the first connecting rod is hinged to the second adapter arm, and a second connecting rod is hinged to the transmission rocker arm. By adoption of the design, the movement direction of the gear selecting and shifting inhaul cable and the movement direction of the transmission rocker arm are the same, the space of a transmission is reasonably utilized, and the effects of improving control reliability, safety and comfort are achieved. The gear selecting and shifting inhaul cable structure is simple in structure, firm and reliable in connection, easy to assemble and low in cost.

Description

Select shift cable structure

technical field

The invention belongs to the technical field of auto parts, and in particular relates to a cable structure for selecting and shifting gears.

Background technique

Automobile shift cable is an indispensable part of automobile gearbox, and it is also one of the objects frequently operated by the vehicle. Therefore, the structure of the select and shift cable and its working stability have a great impact on the safety and comfort of the vehicle. also play an important role.

The traditional gear selection cable generally adopts a direct connection method, one end is connected to the shift mechanism, and the other end is connected to the gearbox rocker arm, without any transition device, so that the direction of movement of the gear selection cable and the gearbox rocker arm is opposite, thereby It is easy to cause problems such as poor curvature of the shift cable, excessive control force, and interference with surrounding components, resulting in insufficient structure and working stability of the shift cable, which affects the comfort and safety of the vehicle. . It is urgent to solve the above problems.

Contents of the invention

In order to solve the above technical problems, the present invention provides a gear selection and shift cable structure, the gear selection and shift cable moves in the same direction as the rocker arm of the gearbox, and has good operating comfort and high safety.

To achieve the above object, the technical scheme of the present invention is as follows:

A gear selection cable structure, the main points of which are: it includes a gear selection cable and a reversing mechanism, and the gear selection cable is connected to the rocker arm of a gearbox through the reversing mechanism, so that the gear selection cable and the gear shifting The direction of movement of the box rocker arms is the same; the reversing mechanism includes a mounting bracket installed on the gearbox housing and a first transfer arm and a second transfer arm rotatably on the mounting bracket. An adapter arm is provided with a first hinge hole and a second hinge hole, a third hinge hole and a fourth hinge hole are provided on the second adapter arm, the first hinge hole, the second hinge hole, The third hinge hole and the fourth hinge hole are located on the same plane and have a quadrilateral structure; the selector shift cable is hinged to the first transfer arm through the first hinge hole, and the first transfer arm and the second transfer arm are hinged to each other. A first connecting rod is hinged between the connecting arms, one end of the first connecting rod is hinged with the first connecting arm through the second hinge hole, and the other end is hinged with the second connecting arm through the third hinge hole , a second connecting rod is hinged between the second connecting arm and the rocker arm of the gearbox, one end of the second connecting rod is hinged with the second connecting arm through the fourth hinge hole, and the other end is connected with the transmission Box rocker hinged.

Using the above structure, using the limited reserved space of the gearbox, a set of reversing mechanism is set up, which subtly changes the force direction of the selector and shift cable, so that the direction of movement of the selector and shift cable is the same as that of the rocker arm of the gearbox , not only makes reasonable use of the space of the gearbox, but also improves the operation reliability, safety and comfort, and has a simple structure, firm and reliable connection, simple assembly, low cost, and extremely high practicability.

As preferably: the selector shift cable and the first transfer arm, the first transfer arm and the first connecting rod, the first connecting rod and the second transfer arm, the second transfer arm and the second connecting rod, Both the second connecting rod and the rocker arm of the gearbox are hinged by pins, and a pin hole is provided at the end of each pin away from its head, and a cotter pin is inserted in each pin hole, and the shifting cable and the first transfer arm, the first transfer arm and the first connecting rod, the first connecting rod and the second transfer arm, the second transfer arm and the second connecting rod, the second connecting rod and the transmission rocker arm A group is rotatably sleeved on a pin and limited by a corresponding cotter pin. With the above structure, the head of the pin protrudes outward in the radial direction, and cooperates with the cotter pin to select the shift cable and the first transfer arm, the first transfer arm and the first connecting rod, the first connecting rod and the second connecting rod. The transfer arm, the second transfer arm and the second connecting rod, the second connecting rod and the rocker arm of the gearbox are limited and can rotate along the pin.

Preferably, both the first adapter arm and the second adapter arm are rotatably mounted on the mounting bracket through first bolts. The above structure is simple, reliable, easy to realize and low in cost.

Preferably, the first connecting arm has a first connection hole, wherein one of the first bolts passes through the first connection hole and is connected to the installation bracket. The above structure is adopted, and the design is reasonable.

Preferably, the first hinge hole, the second hinge hole and the first connecting hole are distributed on the first connecting arm in a triangular shape. With the above structure, the shifting cable can drive the first transfer arm to rotate, and then the first transfer arm drives the first connecting rod to move, and the push-pull movement of the shifting cable is converted into the rotation of the first transfer arm sports.

Preferably, the second adapter arm has a second connection hole, wherein one of the first bolts passes through the second connection hole and is connected to the installation bracket. The above structure is adopted, and the design is reasonable.

Preferably, the third hinge hole, the fourth hinge hole and the second connection hole are distributed on the second connecting arm in a triangular shape. With the above structure, the first connecting rod can drive the second connecting arm to rotate, and then the second connecting arm drives the second connecting rod to perform a push-pull movement, and finally controls the movement of the rocker arm of the gearbox.

As a preference: the mounting bracket is fixedly connected to the gearbox housing through second bolts. Adopting the above structure, the structure is simple and reliable.

As a preference: an arc-shaped bent portion is provided in the middle of the second connecting rod. By adopting the above structure, it is possible to give way to other adjacent parts and avoid mutual interference.

As a preference: both ends of the first connecting rod and the second connecting rod are provided with annular joints adapted to the pins. With the above structure, the first connecting rod is reliably connected to the first transfer arm and the second transfer arm through the pin, and the second connecting rod is reliably connected to the second transfer arm and the gearbox rocker through the pin.

Compared with prior art, the beneficial effect of the present invention is:

The shift cable structure provided by the present invention is novel in structure and easy to realize. It cleverly changes the force direction of the shift cable and makes the movement direction of the shift cable and the rocker arm of the gearbox the same, which is reasonable. The space of the gearbox is utilized, and the operation reliability, safety and comfort are improved, and the structure is simple, the connection is firm and reliable, the assembly is simple, the cost is low, and it has extremely high practicability.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structural schematic diagram of the first adapter arm;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is the structural representation of the second transfer arm;

Fig. 5 is the left view of Fig. 4;

Fig. 6 is a schematic structural view of the first connecting rod;

Fig. 7 is a structural schematic diagram of the second connecting rod.

detailed description

The present invention will be further described below in conjunction with embodiment and accompanying drawing.

As shown in Fig. 1, a kind of structure of selecting and shifting cable includes selecting and shifting cable 1 and reversing mechanism 2, and described selecting and shifting cable 1 is connected with gearbox rocker arm 3 through reversing mechanism 2, so that The movement direction of the gear selection cable 1 is the same as that of the transmission rocker arm 3, that is, when the gear selection cable 1 is pulled to the right, the transmission rocker arm 3 swings to the right, and when the gear selection cable 1 is pushed to the left , the gearbox rocker arm 3 swings to the left.

Referring to FIG. 1, the reversing mechanism 2 includes a mounting bracket 21, which is fixedly connected to the gearbox housing 4 through a second bolt 29, and a first adapter arm is arranged on the mounting bracket 21. 22 and a second adapter arm 23 , both of the first adapter arm 22 and the second adapter arm 23 are rotatably mounted on the mounting bracket 21 through first bolts 28 .

Please refer to FIGS. 1-5 , the first connecting arm 22 is approximately triangular in shape, and may be in other shapes as long as it does not interfere with the work of adjacent components. The first connecting arm 22 is provided with a first hinge hole 221 , a second hinge hole 222 and a first connection hole 223 in a triangular distribution. The second adapter arm 23 is also approximately triangular in shape, and can also be in other shapes as long as it does not interfere with the work of adjacent parts. A third hinge hole 231 , a fourth hinge hole 232 and a second connection hole 233 are provided on the second connecting arm 23 in a triangular distribution. Each of the first adapter arm 22 and the second adapter arm 23 is rotatably mounted on the mounting bracket 21 through a first bolt 28, that is, one of the first bolts 28 passes through the first connecting hole 223 and connects with the The installation bracket 21 is connected, and another first bolt 28 is also connected with the installation bracket 21 through the second connection hole 233 .

Please refer to FIG. 1 , the shift select cable 1 is hinged to the first transfer arm 22 through the first hinge hole 221 , and the first transfer arm 22 and the second transfer arm 23 are hinged with the first transfer arm 23 . A connecting rod 24, one end of the first connecting rod 24 is hinged with the first transfer arm 22 through the second hinge hole 222, and the other end is hinged with the second transfer arm 23 through the third hinge hole 231, so A second connecting rod 25 is hinged between the second connecting arm 23 and the gearbox rocker arm 3, one end of the second connecting rod 25 is hinged with the second connecting arm 23 through the fourth hinge hole 232, and the other end It is hinged with the rocker arm 3 of the gearbox. Moreover, the first hinge hole 221, the second hinge hole 222, the third hinge hole 231 and the fourth hinge hole 232 are located on the same plane and have a quadrilateral structure. After the reversing mechanism 2 is given, the direction of movement of the reversing mechanism 2 driving the rocker arm 3 of the gearbox is the same as the direction of movement of the shift cable 1, which improves the operation reliability, safety and comfort.

6 and 7, ring joints 5 are provided at both ends of the first connecting rod 24 and the second connecting rod 25, wherein the middle part of the second connecting rod 25 is provided with an arc-shaped bent portion 251, so that It can avoid other adjacent parts to make concessions and avoid mutual interference.

Please refer to Fig. 1, Fig. 3 and Fig. 5, the said selector shift cable 1 and the first transfer arm 22, the first transfer arm 22 and the first connecting rod 24, the first connecting rod 24 and the second transfer The arm 23, the second transfer arm 23 and the second connecting rod 25, the second connecting rod 25 and the rocker arm 3 of the gearbox are all hinged by pins 26, and the heads of each of the pins 26 protrude radially outwards , and each pin 26 is provided with a pin hole 261 at one end away from its head, after each pin 26 passes through, a cotter pin 27 is inserted on the pin hole 261 of each pin 26, so that the selected shift Cable 1 and the first transfer arm 22, the first transfer arm 22 and the first connecting rod 24, the first connecting rod 24 and the second transfer arm 23, the second transfer arm 23 and the second connecting rod 25, Each of the second connecting rod 25 and the rocker arm 3 of the gearbox is rotatably sleeved on a pin 26 as a group, and is limited by the cotter pin 27 and the protruding head of the pin 26 at the same time. The above connection methods are simple in structure, firm and reliable in connection, simple in assembly and low in cost.

Working process of the present invention is as follows:

Please refer to Fig. 1, Fig. 2 and Fig. 4, when the shifting cable 1 is pulled to the right, the shifting cable 1 will drive the first adapter arm 22 to rotate counterclockwise with the first connecting hole 223 as the center, so that the first connecting hole 223 An adapter arm 22 pushes the first connecting rod 24 to drive the second adapter arm 23 to rotate counterclockwise with the second connecting hole 233 as the center, so that the second adapter arm 23 pushes the second connecting rod 25 to move to the right, and finally makes the The second connecting rod 25 promotes the rocking arm 3 of the gearbox to swing to the right.

Please refer to Fig. 1, Fig. 2 and Fig. 4, when the shifting cable 1 is pushed to the left, the shifting cable 1 will drive the first adapter arm 22 to rotate clockwise with the first connecting hole 223 as the center, so that the first An adapter arm 22 pulls the first connecting rod 24 to drive the second adapter arm 23 to rotate clockwise with the second connecting hole 233 as the center, so that the second adapter arm 23 pulls the second connecting rod 25 to move to the left, and finally makes the The second connecting rod 25 pulls the rocking arm 3 of the gearbox to swing to the left.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those of ordinary skill in the art can make a variety of similar implementations under the inspiration of the present invention without violating the purpose and claims of the present invention. It means that such transformations all fall within the protection scope of the present invention.

Claims (10)

1. A gear selection cable structure, characterized in that: comprising a gear selection cable (1) and a reversing mechanism (2), the gear selection cable (1) passes through the reversing mechanism (2) and The gearbox rocker arm (3) is connected so that the shifting cable (1) and the gearbox rocker arm (3) move in the same direction; The reversing mechanism (2) includes a mounting bracket (21) mounted on the gearbox housing (4) and a first transfer arm (22) and a second transfer arm (22) rotatably on the mounting bracket (21). An arm (23), a first hinge hole (221) and a second hinge hole (222) are provided on the first adapter arm (22), and a second hinge hole (222) is provided on the second adapter arm (23). The third hinge hole (231) and the fourth hinge hole (232), the first hinge hole (221), the second hinge hole (222), the third hinge hole (231) and the fourth hinge hole (232) are located at On the same plane and in a quadrilateral structure; The shifting cable (1) is hinged to the first transfer arm (22) through the first hinge hole (221), and the first transfer arm (22) and the second transfer arm (23) A first connecting rod (24) is hinged therebetween, one end of the first connecting rod (24) is hinged with the first connecting arm (22) through the second hinge hole (222), and the other end is hinged through the third hinge hole (231) is hinged with the second transfer arm (23), and a second link (25) is hinged between the second transfer arm (23) and the gearbox rocker arm (3), and the second link One end of the rod (25) is hinged to the second transfer arm (23) through the fourth hinge hole (232), and the other end is hinged to the gearbox rocker arm (3). 2. The gear selection cable structure according to claim 1, characterized in that: the gear selection cable (1) and the first transfer arm (22), the first transfer arm (22) and the second transfer arm (22) A connecting rod (24), the first connecting rod (24) and the second transfer arm (23), the second transfer arm (23) and the second connecting rod (25), the second connecting rod (25) and the transmission The box rocker arms (3) are hinged by pins (26), each pin (26) is provided with a pin hole (261) at the end away from its head, and each pin hole (261) is respectively inserted with an opening pin (27), the selected shift cable (1) and the first transfer arm (22), the first transfer arm (22) and the first connecting rod (24), the first connecting rod (24) and The second transfer arm (23), the second transfer arm (23) and the second connecting rod (25), the second connecting rod (25) and the gearbox rocker arm (3) are each rotatably sleeved as a group On a pin (26), and limited by a corresponding cotter pin (27). 3. The shifting cable structure according to claim 1 or 2, characterized in that: both the first transfer arm (22) and the second transfer arm (23) can be connected through the first bolt (28). It is rotatably mounted on the mounting bracket (21). 4. The shift cable structure according to claim 3, characterized in that: the first transfer arm (22) has a first connection hole (223), wherein one of the first bolts (28) passes through After passing through the first connection hole (223), it is connected with the installation bracket (21). 5. The shift cable structure according to claim 4, characterized in that: the first hinged hole (221), the second hinged hole (222) and the first connecting hole (223) are distributed in a triangle above the first adapter arm (22). 6. The shifting cable structure according to claim 3, characterized in that: the second transfer arm (23) has a second connection hole (233), wherein one of the first bolts (28) passes through After passing through the second connection hole (233), it is connected with the installation bracket (21). 7. The shift cable structure according to claim 6, characterized in that: the third hinged hole (231), the fourth hinged hole (232) and the second connecting hole (233) are distributed in a triangular shape. on the second adapter arm (23). 8. The cable structure for selecting and shifting according to claim 1, characterized in that: the mounting bracket (21) is fixedly connected to the gearbox case (4) through a second bolt (29). 9. The shift cable structure according to claim 1, characterized in that: an arc-shaped bent portion (251) is provided in the middle of the second connecting rod (25). 10. The shifting cable structure according to claim 2, characterized in that: both ends of the first connecting rod (24) and the second connecting rod (25) are provided with pins (26) ) suitable ring joint (5).