Transmission mechanism for gearbox and gearbox

Abstract

The utility model provides a transmission mechanism for a speed changing box and the speed changing box. The rotating piece is provided with a rotating shaft, the rotating shaft is rotationally arranged on the fixing base, and a driving part used for being connected with a gear shifting inhaul cable is arranged at the end, away from the gearbox, of the rotating piece; one end of the transmission assembly is hinged to the rotating part, and the other end of the transmission assembly is connected with the gear shifting position of the gearbox; according to the technical scheme, the transmission mechanism at least has the advantages that the transmission mechanism is installed on a gearbox shell through the fixing base, the gear shifting inhaul cable is connected with the driving part, the gear shifting inhaul cable enables the driving part to move, the driving part drives the rotating piece to rotate, and the rotating piece rotates around the rotating shaft. Therefore, speed changing operation of the novel gearbox is achieved, and the problem that the gearbox gear shifting control mechanism cannot be assembled on the gearbox is solved.

Description

Technical Field

[0001] This application relates to the technical field of gearboxes, and specifically relates to a transmission mechanism and a gearbox for a gearbox. Background Art

[0002] An automotive gearbox is one of the important components of a vehicle. Its main function is to change the rotational speed and torque from the engine to meet the power requirements of the vehicle under different driving conditions. A gearbox is a device for changing the speed ratio and the direction of motion. It is used in vehicles to change the torque, rotational speed, and direction of motion transmitted from the driving shaft to the driven shaft under different working conditions.

[0003] In order to adapt to the power and speed change requirements of new vehicles, the gearbox is now improved and enlarged to meet the usage needs. However, the axial dimension of the changed housing becomes smaller and the outer diameter becomes larger. The distance from the gearshift cable of the gearbox to the gearshift rocker arm is too far and the installation angle of the gearshift cable is insufficient, resulting in the gearshift cable being unable to be installed on the gearshift rocker arm. Consequently, the force and stroke of the gearshift cable cannot be transmitted to the gearshift rocker arm, causing the gearbox on the vehicle to be unable to shift gears. Utility Model Content

[0004] In view of the above-mentioned disadvantages of the prior art, the purpose of the present utility model is to provide a transmission mechanism and a gearbox for a gearbox, which are used to solve the problem in the prior art that the gearshift cable cannot be installed on the gearshift rocker arm, so that the force and stroke of the gearshift cable cannot be transmitted to the gearshift rocker arm, resulting in the gearbox on the vehicle being unable to shift gears.

[0005] To achieve the above object and other related objects, the present utility model provides a transmission mechanism for a gearbox, including:

[0006] A fixed seat;

[0007] A rotating member, on which a rotating shaft is provided. The rotating shaft is rotatably arranged on the fixed seat. A driving part for connecting with a gearshift cable is arranged at one end of the rotating member away from the gearbox;

[0008] A transmission component, one end of which is hinged to the rotating member, and the other end of which is connected to the gearshift part of the gearbox;

[0009] Wherein, the gearshift cable drives the rotating member to rotate around the rotating shaft.

[0010] Optionally, the fixed seat includes a connecting part and a fixing part. The fixing part is fixedly connected to the connecting part, and the connecting part is in a plate-like structure.

[0011] Optionally, the connecting part is bent, and the protruding part of the connecting part faces the gearbox.

[0012] Optionally, the fixing part is of a cylindrical structure, both ends of the fixing part are open, the fixing part is sleeved on the rotating shaft, and the rotating shaft penetrates through the fixing part. The side wall of the fixing part is fixedly connected to the first connection side surface of the connecting part.

[0013] Optionally, the connecting part is provided with a first connection hole and a second connection hole for fixing to the transmission. The first connection hole is perpendicular to the plane of the connecting part. The second connection hole is located on the second connection side surface of the connecting part. The first connection side surface and the second connection side surface are oppositely arranged, and both the first connection hole and the second connection hole are through holes.

[0014] Optionally, the first connection hole is an oval hole.

[0015] Optionally, one end of the rotating part close to the transmission is bent to form an avoidance part.

[0016] Optionally, an adjustment seat is arranged at one end of the rotating part far from the transmission, and the adjustment seat is located between the rotating part and the connecting part;

[0017] A counterweight is arranged at one end of the rotating part close to the transmission.

[0018] Optionally, the transmission assembly includes a U-shaped plate, a threaded rod and a transmission rod. The U-shaped plate is hinged to the rotating part. One end of the threaded rod is fixedly connected to the U-shaped plate, and the other end of the threaded rod is in threaded connection with the transmission rod. The transmission rod is axially provided with an adjustment hole, and an adjustment thread is arranged in the adjustment hole. The threaded rod is arranged in the adjustment hole.

[0019] This application also provides a transmission, including the transmission mechanism as described above, and the fixed seat is fixedly connected to the transmission.

[0020] As described above, the beneficial effects brought by the technical solutions in the present utility model at least include: the transmission mechanism is installed on the transmission housing through the fixed seat. The shift cable is connected to the driving part. The shift cable makes the driving part move. The driving part drives the rotating part to rotate, and the rotating part thus drives the transmission assembly to shift gears, realizing the speed change operation of the new transmission and solving the problem that the shift control mechanism of the transmission cannot be assembled to the transmission. Description of the Drawings

[0021] Figure 1 It shows a schematic diagram of the overall structure of an exemplary embodiment of the present utility model;

[0022] Figure 2 It shows a schematic diagram of the structure of the fixed seat of an exemplary embodiment of the present utility model;

[0023] Figure 3 Shown is a schematic structural diagram of a rotating member according to an exemplary embodiment of the present invention.

[0024] Description of part numbers

[0025] 1. Fixed seat; 101. Connecting part; 102. Fixing part; 103. First connecting hole; 104. Second connecting hole; 2. Rotating member; 3. Rotating shaft; 4. Driving part; 5. Transmission assembly; 501. U-shaped plate; 502. Threaded rod; 503. Transmission rod; 6. Driving hole; 7. Adjusting seat; 8. Counterweight. Specific embodiments

[0026] The following uses specific specific examples to illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

[0027] It should be noted that the drawings provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner. Therefore, only the components related to the present invention are shown in the drawings, rather than being drawn according to the number, shape, and size of the components in actual implementation. The type, quantity, and ratio of each component in actual implementation can be arbitrarily changed, and the component layout type may also be more complex.

[0028] Please refer to Figure 1 , Figure 2 and Figure 3 , the present invention provides a transmission mechanism for a gearbox, including: a fixed seat 1; a rotating member 2, a rotating shaft 3 is arranged on the rotating member 2, the rotating shaft 3 is rotatably arranged on the fixed seat 1, and a driving part 4 for connecting with a shift cable is arranged at one end of the rotating member 2 away from the gearbox; a transmission assembly 5, one end of the transmission assembly 5 is hinged to the rotating member 2, and the other end of the transmission assembly 5 is connected to the shifting position of the gearbox; wherein, the shift cable drives the rotating member 2 to rotate around the rotating shaft 3.

[0029] In an embodiment of the present application, specifically, the transmission mechanism includes a fixed seat 1, a rotating member 2, and a transmission component 5. The fixed seat 1 is installed on the gearbox. The fixed seat 1 provides installation positions for the rotating member 2 and the transmission component 5. The rotating member 2 is in a plate-shaped structure. A rotating shaft 3 is provided at the bottom of the rotating member 2. The rotating shaft 3 is rotatably connected to the fixed seat 1. A driving portion 4 is provided on the upper surface of the rotating member 2. The driving portion 4 is in a rod-shaped structure. A driving hole 6 is provided at the top end of the driving portion 4. The driving hole 6 is a through hole. The shift cable is fixedly connected to the driving portion 4. The clip of the shift cable passes through the driving hole 6 to limit the shift cable and prevent the shift cable from slipping out and falling off. Pulling the shift cable drives the rotating member 2 to rotate around the rotating shaft 3. One end of the transmission component 5 is hinged to the rotating member 2, and the other end of the transmission component 5 is connected to the shifting portion of the gearbox. When the rotating member 2 rotates, it drives the transmission component 5 to move, thereby driving the gearbox to shift gears, solving the problem that the new gearbox cannot shift gears and improving the performance of the gearbox.

[0030] Further, the rotating shaft 3 is located at one end close to the driving portion 4.

[0031] Please refer to Figure 1 and Figure 2 The fixed seat 1 includes a connecting portion 101 and a fixing portion 102. The fixing portion 102 is fixedly connected to the connecting portion 101. The connecting portion 101 is in a plate-shaped structure.

[0032] In an embodiment of the present application, specifically, the fixed seat 1 includes a connecting portion 101 and a fixing portion 102. The connecting portion 101 is used to connect to the gearbox, and the fixing portion 102 is used to connect to the rotating member 2. Among them, the connecting portion 101 is in an irregular plate-shaped structure. The connecting portion 101 is arranged vertically and is parallel to the side of the gearbox.

[0033] In an embodiment of the present application, specifically, the connecting portion 101 is bent. The protruding portion of the connecting portion 101 faces the gearbox. The bending radian can be determined according to the space size around the clutch housing of the gearbox. The bending setting can avoid the gearbox housing and save more installation space.

[0034] The fixing portion 102 is in a cylindrical structure. Both ends of the fixing portion 102 are open. The fixing portion 102 is sleeved on the rotating shaft 3, and the rotating shaft 3 passes through the fixing portion 102. The side wall of the fixing portion 102 is fixedly connected to the first connecting side surface of the connecting portion 101.

[0035] In an embodiment of the present application, specifically, the fixing part 102 is a cylinder, the fixing part 102 is arranged vertically, the side of the fixing part 102 is fixedly connected or integrally formed with the side of the connecting part 101, both the upper and lower ends of the fixing part 102 are in an open state, the rotating shaft 3 penetrates into the fixing part 102 from the top end and then penetrates out from the bottom of the fixing part 102, and the rotating shaft 3 rotates within the fixing part 102.

[0036] Further, a bushing is also arranged on the rotating shaft 3, the bushing is arranged within the fixing part 102, and gaskets are arranged at both the upper and lower ends of the bushing.

[0037] The connecting part 101 is provided with a first connection hole 103 and a second connection hole 104 for fixing to the gearbox. The first connection hole 103 is perpendicular to the plane of the connecting part 101. The second connection hole 104 is located on the second connection side surface of the connecting part 101, and the first connection side surface and the second connection side surface are arranged oppositely. Both the first connection hole 103 and the second connection hole 104 are through holes, and the first connection hole 103 is an oval hole.

[0038] In an embodiment of the present application, specifically, the connecting part 101 is provided with a first connection hole 103 and a second connection hole 104 for fixing to the gearbox. The first connection hole 103 is arranged on the surface of the connecting part 101 parallel to the side of the gearbox. The first connection hole 103 is a through hole, and the first connection hole 103 is an oval hole. The oval hole can adjust the installation position of the connecting part 101 to better adapt to the size of the gearbox and facilitate adjustment. An installation plane is arranged on the side of the connecting part 101 away from the fixing part 102, and the second connection hole 104 is arranged on the installation plane for connection with the gearbox.

[0039] Please refer to Figure 3 , in an embodiment of the present application, specifically, one end of the rotating part 2 close to the gearbox is bent to form an avoidance part. The rotating part 2 is arranged away from the driving part 4. The first bent part of the rotating part 2 is bent upward, and a fillet is provided at the corner of the first bent part. The second bent part is bent again along the length direction of the rotating part 2, and a fillet is provided at the corner of the second bent part.

[0040] In an embodiment of the present application, specifically, an adjusting seat 7 is arranged at one end of the rotating part 2 away from the gearbox. The adjusting seat 7 is located between the rotating part 2 and the connecting part 101, which can increase the height of the driving part and strengthen the strength of the driving part at the same time;

[0041] A counterweight 8 is arranged at one end of the rotating part 2 close to the gearbox.

[0042] In an embodiment of the present application, specifically, the transmission assembly 5 includes a U-shaped plate 501, a threaded rod 502, and a transmission rod 503. The U-shaped plate 501 is hinged to the rotating member 2. One end of the threaded rod 502 is fixedly connected to the U-shaped plate 501, and the other end of the threaded rod 502 is threadedly connected to the transmission rod 503. The transmission rod 503 is provided with an adjustment hole along its axial direction, and adjustment threads are provided in the adjustment hole. The threaded rod 502 is arranged in the adjustment hole.

[0043] Further, the transmission rod 503 is an L-shaped rod.

[0044] In an embodiment of the present application, specifically, one end of the rotating shaft 3 away from the rotating member 2 is provided with threads, and a limit nut is sleeved on one end of the rotating shaft 3 where it is connected to the rotating member 2.

[0045] The present application also provides a gearbox, which is characterized by including the transmission mechanism as described above, and the fixed seat 1 is fixedly connected to the gearbox.

[0046] The above embodiments are only illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A transmission mechanism for a gearbox, characterized in that: include: Fixed seat; A rotating member, wherein a rotating shaft is disposed on the rotating member, and the rotating shaft is rotatably disposed on the fixed seat, and a driving part for connecting with a shift cable is disposed at one end of the rotating member away from the gearbox; A transmission assembly, one end of which is hingedly arranged on the rotating member, and the other end of which is connected to a shifting position of a gearbox; Wherein, the shift cable drives the rotating member to rotate around the rotating shaft; The transmission assembly includes a U-shaped plate, a threaded rod and a transmission rod, the U-shaped plate is hinged to the rotating member, one end of the threaded rod is fixedly connected to the U-shaped plate, and the other end of the threaded rod is threadedly connected to the transmission rod, the transmission rod is axially provided with an adjustment hole, the adjustment hole is provided with an adjustment thread, and the threaded rod is arranged in the adjustment hole.

2. A transmission mechanism for a gearbox according to claim 1, characterized in that: The fixing seat comprises a connecting portion and a fixing portion, the fixing portion is fixedly connected to the connecting portion, and the connecting portion is a plate-shaped structure.

3. A transmission mechanism for a gearbox according to claim 2, characterized in that: The connecting portion is bent, and the protruding portion of the connecting portion faces the gearbox.

4. A transmission mechanism for a gearbox according to claim 2 or 3, characterized in that: The fixing part is a cylindrical structure, both ends of the fixing part are openings, the fixing part is sleeved on the rotating shaft, and the rotating shaft passes through the fixing part, and the side wall of the fixing part is fixedly connected to the first connecting side surface of the connecting part.

5. The transmission mechanism for a gearbox according to claim 2, characterized in that: The connecting portion is provided with a first connecting hole and a second connecting hole for fixing to the gearbox, the first connecting hole is perpendicular to the plane of the connecting portion, the second connecting hole is located on the second connecting side surface of the connecting portion, and the first connecting side surface is arranged opposite to the second connecting side surface, and the first connecting hole and the second connecting hole are both through holes.

6. A transmission mechanism for a gearbox according to claim 5, characterized in that: The first connecting hole is a waist-shaped hole.

7. The transmission mechanism for a gearbox according to claim 1, characterized in that: One end of the rotating member close to the gearbox is bent to form an escape portion.

8. The transmission mechanism for a gearbox according to claim 5, characterized in that: An adjustment seat is provided at one end of the rotating member away from the gearbox, and the adjustment seat is located between the rotating member and the connecting portion; A counterweight is arranged at one end of the rotating member close to the gearbox.

9. A gearbox, characterized in that: It comprises the transmission mechanism as described in any one of claims 1 to 8, wherein the fixing seat is fixedly connected to the gearbox.

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