A car clutch cable anti-loosening structure

Abstract

This utility model relates to the field of cable technology and discloses an anti-loosening structure for an automotive clutch cable, including an adjusting threaded rod. A cable core wire is provided at the end of the adjusting threaded rod, and an elastic rubber pad is provided at the end of the cable core wire. A cover plate is fixedly connected to the outer wall of the adjusting threaded rod. When a set insert is inserted into the rubber bushing, it positions the bushing to prevent deformation and displacement when the rubber bushing is under uneven pressure. This prevents the rubber bushing from touching the adjusting nut and tightening nut and becoming loose during displacement. When the insert is inserted into the rubber bushing, the rubber bushing squeezes the elastic telescopic plate, causing the elastic telescopic plate to contract. This causes the moving plate and the pressing inclined block to move, ultimately causing the pressing inclined block to press and lift the pressure inclined block, allowing the pressing rod to penetrate through the insert and further position and press the rubber bushing, ensuring that the rubber bushing is stably limited.

Description

Technical Field

[0001] This utility model relates to the field of cable technology, specifically to an anti-loosening structure for automotive clutch cables. Background Technology

[0002] In microcar clutch control systems, the clutch spring clamping force is relatively small. Considering the overall layout and sealing performance, and to avoid vibration caused by motion interference between the elastically supported powertrain and the rigidly supported clutch pedal mechanism, a flexible shaft-operated shift fork hook-type clutch control structure is generally adopted.

[0003] According to a public notice of an anti-loosening structure for an automotive clutch cable (Announcement No.: CN201665160U), in order to prevent the preload from decreasing due to deformation of the rubber bushing, a tightening nut is added to the rear end of the clutch cable adjusting nut. In this way, after the clutch cable is adjusted to the appropriate position, the tightening nut increases the force that restricts the rotation and axial movement of the rubber bushing, preventing the adjusting nut from loosening under repeated clutch operation force, which would lead to difficulty in clutch disengagement.

[0004] However, in actual use, although the above-mentioned equipment can prevent the rubber bushing from deforming and reduce the preload by setting the adjusting nut, it is prone to deformation and local displacement when the rubber bushing is subjected to uneven pressure, which in turn causes uneven pressure and movement. In view of this, we propose an anti-loosening structure for automotive clutch cables. Utility Model Content

[0005] The purpose of this utility model is to provide an anti-loosening structure for automotive clutch cables to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an anti-loosening structure for an automotive clutch cable, comprising an adjusting threaded rod, a cable core wire at the end of the adjusting threaded rod, an elastic rubber pad at the end of the cable core wire, a cover plate fixedly connected to the outer wall of the adjusting threaded rod, a rubber bushing fitted on the outer wall of the cover plate, an adjusting nut threadedly connected to the outer wall of the adjusting threaded rod, a tightening nut threadedly connected to the outer wall of the adjusting threaded rod, a transmission front housing on the outer wall of the rubber bushing, an anti-displacement positioning component on the outer wall of the cover plate, the anti-displacement positioning component comprising a cylinder, the cylinder fixedly connected to the outer wall of the cover plate, an elastic telescopic plate fixedly connected to the inner wall of the cylinder, a movable plate fixedly connected to the end of the elastic telescopic plate, and a pressing wedge fixedly connected to the outer wall of the movable plate;

[0007] A guide rod is fixedly connected to the inner wall of the insert. A lifting plate is slidably connected to the outer wall of the guide rod. A pressure-bearing inclined block is fixedly connected to the outer wall of the lifting plate. A pressing rod is fixedly connected to the outer wall of the pressure-bearing inclined block. An insertion hole is provided on the outer wall of the rubber bushing.

[0008] Preferably, the number of the sockets is several, and the several sockets are arranged in a circumferential array on the outer wall of the rubber bushing.

[0009] Preferably, the outer wall of the extrusion block is adapted to the outer wall of the pressure-receiving inclined block, so that the extrusion block can smoothly extrude the pressure-receiving inclined block after displacement.

[0010] Preferably, the centerline of the guide rod and the centerline of the lifting plate are both in the same plane, so that the lifting plate can move smoothly.

[0011] Preferably, the inner wall of the socket is provided with a reinforcing component, the reinforcing component includes a slot, the slot is formed on the inner wall of the socket, and an arc-shaped rubber ring is fixedly connected to the outer wall of the plug tube.

[0012] Preferably, the number of arc-shaped rubber rings is several, and the several arc-shaped rubber rings are arranged in a linear array on the outer wall of the insert.

[0013] Preferably, the outer wall of the arc-shaped rubber ring is adapted to the inner wall of the slot, so that the arc-shaped rubber ring can be smoothly inserted into the slot.

[0014] Compared with the prior art, this utility model provides an anti-loosening structure for automotive clutch cables, which has the following beneficial effects:

[0015] 1. The anti-loosening structure of this automotive clutch cable uses a sleeve that positions itself when inserted into the rubber bushing to prevent deformation and displacement of the rubber bushing when subjected to uneven pressure. This prevents the rubber bushing from touching the adjusting nut and tightening nut and loosening when it is displaced. When the sleeve is inserted into the rubber bushing, the rubber bushing squeezes the elastic telescopic plate, causing the elastic telescopic plate to contract. This causes the moving plate and the pressing wedge to move, ultimately causing the pressing wedge to press and lift the pressure-bearing inclined block. This allows the pressure rod to penetrate through the sleeve and further position and press the rubber bushing, ensuring that the rubber bushing is stably limited.

[0016] 2. In this automotive clutch cable anti-loosening structure, when the insert is inserted into the rubber bushing, the arc-shaped rubber ring will move synchronously, so that the arc-shaped rubber ring can be locked into the groove in the rubber bushing after the displacement, thereby making the connection between the insert and the rubber bushing tighter, ensuring that the rubber bushing can be further optimized and stabilized, and at the same time improving the overall practicality. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the front housing structure of the transmission of this utility model;

[0019] Figure 3 This is a schematic diagram of the cable core and elastic rubber pad structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the shield structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the card slot and socket structure of this utility model;

[0022] Figure 6 This is a schematic diagram of the insert and arc-shaped rubber ring structure of this utility model;

[0023] Figure 7 This is a schematic diagram of the extrusion inclined block and the pressure inclined block of this utility model.

[0024] In the diagram: 1. Adjusting threaded rod; 2. Cable core wire; 3. Elastic rubber pad; 4. Cover plate; 5. Rubber bushing; 6. Adjusting nut; 7. Tightening nut; 8. Reinforcing component; 801. Slot; 802. Arc-shaped rubber ring; 9. Anti-slip positioning component; 901. Insert sleeve; 902. Elastic telescopic plate; 903. Moving plate; 904. Extrusion wedge; 905. Guide rod; 906. Lifting plate; 907. Pressure-bearing inclined block; 908. Contact rod; 909. Insertion hole; 10. Transmission front housing. Detailed Implementation

[0025] like Figures 1-7 As shown, this utility model provides a technical solution: an anti-loosening structure for an automotive clutch cable, including an adjusting threaded rod 1, a cable core wire 2 at the end of the adjusting threaded rod 1, an elastic rubber pad 3 at the end of the cable core wire 2, a cover plate 4 fixedly connected to the outer wall of the adjusting threaded rod 1, a rubber bushing 5 sleeved on the outer wall of the cover plate 4, an adjusting nut 6 threadedly connected to the outer wall of the adjusting threaded rod 1, a tightening nut 7 threadedly connected to the outer wall of the adjusting threaded rod 1, a transmission front housing 10 on the outer wall of the rubber bushing 5, and an anti-displacement positioning component 9 on the outer wall of the cover plate 4. The anti-displacement positioning component 9 includes a cylinder 901, which is fixedly connected to the outer wall of the cover plate 4. An elastic telescopic plate 902 is fixedly connected to the inner wall of the cylinder 901, a movable plate 903 is fixedly connected to the end of the elastic telescopic plate 902, and a pressing inclined block 904 is fixedly connected to the outer wall of the movable plate 903.

[0026] Furthermore, the guide rod 905 is fixedly connected to the inner wall of the insert 901, the outer wall of the guide rod 905 is slidably connected to the lifting plate 906, the outer wall of the lifting plate 906 is fixedly connected to the pressure inclined block 907, the outer wall of the pressure inclined block 907 is fixedly connected to the pressing rod 908, and the outer wall of the rubber bushing 5 is provided with an insertion hole 909.

[0027] In the embodiments of this utility model, the number of insertion holes 909 is several, and the several insertion holes 909 are arranged in a circumferential array on the outer wall of the rubber bushing 5. The outer wall of the extrusion inclined block 904 is adapted to the outer wall of the pressure inclined block 907, so that the extrusion inclined block 904 can smoothly extrude the pressure inclined block 907 after displacement. The center line of the guide rod 905 and the center line of the lifting plate 906 are in the same plane, so that the lifting plate 906 can be smoothly displaced.

[0028] Furthermore, a reinforcing component 8 is provided on the inner wall of the socket 909. The reinforcing component 8 includes a slot 801, which is formed on the inner wall of the socket 909. An arc-shaped rubber ring 802 is fixedly connected to the outer wall of the plug tube 901. The number of arc-shaped rubber rings 802 is several, and the arc-shaped rubber rings 802 are arranged in a linear array on the outer wall of the plug tube 901. The outer wall of the arc-shaped rubber ring 802 is adapted to the inner wall of the slot 801, so that the arc-shaped rubber ring 802 can be smoothly inserted into the slot 801.

[0029] In this invention, the adjusting screw, clutch cable core wire 2, and rubber bushing 5 are first inserted into the through hole of the front housing 10 of the transmission, and the stop surface of the rubber bushing 5 is made to fit against the end face of the front housing of the transmission. The front end of the clutch cable (i.e., the elastic rubber pad 3) is inserted into the clutch fork hole. The adjusting nut 6 is rotated to tighten the rubber bushing 5, adjusting the clutch fork to a position close to the requirements of the free travel and effective travel, maintaining the correct relative positioning relationship between the adjusting nut 6 and the rubber bushing 5. Since the rubber bushing 5 has undergone elastic deformation, a certain preload is generated on the adjusting nut 6. At this time, the tightening nut 7 is rotated to adjust the clutch fork to a position that fully meets the requirements of the free travel and effective travel. When the insert 901 is inserted into the rubber bushing 5, it will be positioned to prevent the rubber bushing 5 from deforming and shifting when subjected to uneven pressure. This will prevent the rubber bushing 5 from touching the adjusting nut 6 and tightening nut 7 and becoming loose when it is displaced. When the insert 901 is inserted into the rubber bushing 5, the rubber bushing 5 will squeeze the elastic telescopic plate 902, causing the elastic telescopic plate 902 to contract. This will drive the moving plate 903 and the pressing inclined block 904 to move. Finally, the pressing inclined block 904 will press and lift the pressure inclined block 907, allowing the pressing rod 908 to penetrate through the insert 901 and further position and press the rubber bushing 5, ensuring that the rubber bushing 5 can be stably limited.

[0030] When the insert 901 is inserted into the rubber bushing 5, the arc-shaped rubber ring 802 will move synchronously, so that the arc-shaped rubber ring 802 can be inserted into the slot 801 in the rubber bushing 5 after the displacement, thereby making the connection between the insert 901 and the rubber bushing 5 tighter, ensuring that the rubber bushing 5 can be further optimized and stabilized, and at the same time improving the overall practicality.

[0031] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A mechanism for preventing loosening of a car clutch cable, comprising an adjusting threaded rod (1), wherein a cable core wire (2) is provided at the end of the adjusting threaded rod (1), and an elastic rubber pad (3) is provided at the end of the cable core wire (2); a cover plate (4) is fixedly connected to the outer wall of the adjusting threaded rod (1); a rubber bushing (5) is sleeved on the outer wall of the cover plate (4); an adjusting nut (6) is threadedly connected to the outer wall of the adjusting threaded rod (1); a tightening nut (7) is threadedly connected to the outer wall of the adjusting threaded rod (1); and a transmission front housing (10) is provided on the outer wall of the rubber bushing (5), characterized in that: The outer wall of the shield (4) is provided with an anti-displacement positioning component (9), the anti-displacement positioning component (9) includes: Insert (901), the insert (901) is fixedly connected to the outer wall of the cover plate (4), the inner wall of the insert (901) is fixedly connected to an elastic telescopic plate (902), the end of the elastic telescopic plate (902) is fixedly connected to a movable plate (903), and the outer wall of the movable plate (903) is fixedly connected to an extrusion inclined block (904). A guide rod (905) is fixedly connected to the inner wall of the insert (901). A lifting plate (906) is slidably connected to the outer wall of the guide rod (905). A pressure-bearing inclined block (907) is fixedly connected to the outer wall of the lifting plate (906). A pressing rod (908) is fixedly connected to the outer wall of the pressure-bearing inclined block (907). An insertion hole (909) is provided on the outer wall of the rubber bushing (5).

2. The anti-loosening structure for an automotive clutch cable according to claim 1, characterized in that: The number of the sockets (909) is several, and the several sockets (909) are arranged in a circumferential array on the outer wall of the rubber bushing (5).

3. The anti-loosening structure for an automotive clutch cable according to claim 1, characterized in that: The outer wall of the extrusion inclined block (904) is adapted to the outer wall of the pressure inclined block (907).

4. The anti-loosening structure for an automotive clutch cable according to claim 1, characterized in that: The centerline of the guide rod (905) and the centerline of the lifting plate (906) are both in the same plane.

5. The anti-loosening structure for an automotive clutch cable according to claim 1, characterized in that: The inner wall of the socket (909) is provided with a reinforcing component (8), the reinforcing component (8) includes a slot (801), the slot (801) is opened on the inner wall of the socket (909), and an arc-shaped rubber ring (802) is fixedly connected to the outer wall of the plug (901).

6. The anti-loosening structure for an automotive clutch cable according to claim 5, characterized in that: The number of the arc-shaped rubber rings (802) is several, and the several arc-shaped rubber rings (802) are arranged in a linear array on the outer wall of the insert (901).

7. The anti-loosening structure for an automotive clutch cable according to claim 5, characterized in that: The outer wall of the arc-shaped rubber ring (802) is adapted to the inner wall of the slot (801).

Images