Anti-rotation positioning clutch separation mechanism, gearbox and automobile

Abstract

The utility model relates to the technical field of vehicle clutch separation, and discloses an anti-rotation positioning clutch separation mechanism, a gearbox and an automobile. A separation shifting fork support unit in the mechanism comprises two separation shifting fork supports and a bottom frame; the two separation shifting fork supports are vertically fixed to the top of the bottom frame and are oppositely arranged. One end of the clutch release fork shaft is sleeved on one release fork bracket, and the other end of the clutch release fork shaft is sleeved on the other release fork bracket; a positioning structure is arranged between any release fork bracket and one side of the clutch release fork shaft corresponding to the release fork bracket, and is used for preventing the clutch release fork shaft from rotating between the two release fork brackets; according to the clutch separation mechanism, the positioning structure is arranged between any separation shifting fork support and one side, corresponding to the separation shifting fork support, of the clutch separation shifting fork shaft, so that the position of the clutch separation shifting fork shaft is fixed, and it is ensured that the separation shifting fork shaft does not rotate in the working process of the clutch separation mechanism.

Description

Technical Field

[0001] This utility model relates to the field of vehicle clutch separation technology, specifically to a clutch separation mechanism with anti-rotation positioning, a gearbox, and an automobile. Background Technology

[0002] Heavy-duty commercial vehicles, due to their heavy load capacity, place high demands on their engines and transmissions, specifically requiring high rated power and torque. To meet this demand, the clutches used in heavy-duty commercial vehicles need to have a correspondingly large disengagement force. To improve the efficiency of the lever mechanism and reduce the disengagement force in actual operation, thus ensuring ease and comfort in clutch operation, heavy-duty commercial vehicles often employ a pull-type disengagement method with a larger disengagement lever.

[0003] However, this pull-type release method faces a series of challenges in practical applications. First, the release mechanism is located in the enclosed space between the clutch housing and the engine flywheel housing. This unique working environment makes it prone to harsh conditions with high temperatures and high dust levels during operation. Under such conditions, traditional pull-type release structures often experience problems due to improper operation or untimely maintenance.

[0004] Specifically, the spherical plain bearing, as a key component in the pull-type clutch release mechanism, frequently experiences jamming. Simultaneously, the lubrication hoses of the spherical plain bearing are prone to bending, twisting, sintering, and even breakage. These faults not only affect the normal disengagement of the clutch but can also lead to more serious consequences, such as clutch burning and difficulty shifting gears in the transmission. These faults not only increase vehicle maintenance costs but also seriously affect the normal operation of the vehicle and driving safety.

[0005] Therefore, in order to address the aforementioned problems in the pull-type separation method for heavy-duty commercial vehicles, it is necessary to carry out technological innovation and improvement to enhance its reliability and durability and meet the high requirements of heavy-duty commercial vehicles in actual operation. Utility Model Content

[0006] In order to overcome the defects of the existing technology, the purpose of this utility model is to provide a clutch separation mechanism, gearbox and automobile with anti-rotation positioning, so as to solve the technical problem of how to reduce the bending, twisting and jamming of lubricating oil pipes in the prior art.

[0007] This utility model is achieved through the following technical solution:

[0008] In the first aspect, this utility model provides a clutch separation mechanism with anti-rotation positioning, including a clutch release fork, a release fork support unit, a clutch release fork shaft, and an oil pipe assembly;

[0009] The release fork support unit includes two release fork supports and a base frame; the two release fork supports are vertically fixed to the top of the base frame and are arranged opposite to each other, and the bottom of the base frame is close to the clutch booster pump;

[0010] One end of the clutch release fork shaft is sleeved on a release fork bracket, and the other end is sleeved on another release fork bracket; a positioning structure is provided between any one of the release fork brackets and one side of the clutch release fork shaft corresponding to that release fork bracket to prevent the clutch release fork shaft from rotating between the two release fork brackets.

[0011] The clutch release fork is sleeved on the clutch release fork shaft and located between two sets of release fork supports;

[0012] One end of the clutch release fork shaft is connected to a pipe connector, one end of the oil pipe assembly is connected to the pipe connector, and the other end is provided with a lubricating oil nozzle through the base frame for connecting the lubrication medium unit.

[0013] Preferably, a positioning pin hole is provided on any one of the release fork brackets, and a positioning hole is provided on one side of the clutch release fork shaft at the position corresponding to the positioning pin hole; the positioning structure is a positioning pin; the positioning pin is inserted into the positioning pin hole and the positioning hole respectively.

[0014] Furthermore, the positioning hole is perpendicular to the shaft of the clutch release fork.

[0015] Furthermore, the positioning holes and positioning pin holes are through holes, single-sided holes, or threaded holes.

[0016] Preferably, an oil passage is provided inside the clutch release fork shaft along the shaft direction, the pipe joint is inserted into the oil passage, and an oil hole communicating with the oil passage is opened on the side wall of the clutch release fork shaft; the clutch release fork communicates with the oil hole.

[0017] Preferably, the clutch release fork is provided with a mounting hole, in which a radial spherical bearing is installed, and on both sides of the radial spherical bearing are respectively installed a retaining ring for the hole and a dust cover; the shaft of the clutch release fork is sleeved in the radial spherical bearing.

[0018] Furthermore, fork bushings are provided between the two sides of the radial joint bearing and the two release fork supports respectively; the fork bushings are sleeved on the clutch release fork shaft.

[0019] Preferably, the other end of the clutch release fork is a release fork ball socket, which is positioned toward the clutch booster pump.

[0020] Secondly, this utility model also provides a gearbox, including a clutch disengagement mechanism with anti-rotation positioning as described above.

[0021] Thirdly, this utility model also provides an automobile, including a gearbox as described above.

[0022] Compared with the prior art, the present invention has the following beneficial technical effects:

[0023] This utility model provides a clutch disengagement mechanism with anti-rotation positioning. By providing a positioning structure between any one of the disengagement fork brackets and one side of the clutch disengagement fork shaft corresponding to the disengagement fork bracket, the clutch disengagement fork shaft is fixed in the position of the two disengagement fork brackets, and ensures that the disengagement fork shaft does not rotate during the operation of the clutch disengagement mechanism. This avoids the failure of the oil pipe assembly to bend, twist and jam during operation, and ensures that the disengagement mechanism works normally.

[0024] Furthermore, the insertion of the locating pin ensures that the relative position between the clutch release fork shaft and the release fork bracket is fixed, effectively preventing the clutch release fork shaft from rotating during operation. This anti-rotation positioning mechanism ensures that the release fork shaft does not rotate during the operation of the clutch disengagement mechanism, avoiding the oil pipe assembly from becoming entangled between the clutch release fork shaft and the clutch release fork when the clutch release fork shaft rotates, causing bending, twisting, and jamming malfunctions.

[0025] Furthermore, the design of the positioning hole being perpendicular to the shaft ensures that the positioning pin can be accurately and securely inserted into the positioning pin hole and the positioning hole, thereby achieving precise positioning between the clutch release fork shaft and the release fork bracket.

[0026] Furthermore, the design of the oil passages and holes allows the lubricating medium to be delivered directly and efficiently to the critical friction points of the clutch release fork shaft. Through continuous and effective lubrication, the service life of the clutch release fork shaft and its related components is significantly extended.

[0027] Furthermore, the radial spherical plain bearing possesses excellent rotational flexibility and load-bearing capacity, ensuring smooth and stable rotation of the clutch release fork on the clutch release fork shaft. This helps improve the clutch's operational performance and response speed, allowing the driver to more easily control clutch engagement and disengagement. The use of a flexible retaining ring in the mounting hole effectively prevents axial movement of the radial spherical plain bearing within the mounting hole, thereby enhancing the overall structural stability of the clutch disengagement mechanism. The dust cover effectively prevents dust, moisture, and other impurities from entering the radial spherical plain bearing, thus maintaining the bearing's cleanliness and lubrication. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the clutch separation mechanism in an embodiment of the present invention;

[0029] Figure 2 for Figure 1 A sectional view of section AA;

[0030] Figure 3 for Figure 2 Enlarged diagram of section B;

[0031] Figure 4 This is a schematic diagram of the clutch release fork bracket structure in an embodiment of this utility model;

[0032] Figure 5 This is a schematic diagram of the clutch release fork shaft in an embodiment of the present invention;

[0033] Figure 6 This is a schematic diagram of the positioning pin in an embodiment of the present utility model;

[0034] In the diagram: 1. Clutch release fork; 2. Fork bushing; 3. Release fork support unit; 4. Clutch release fork shaft; 5. Release fork ball socket; 6. Locating pin; 7. Hole retaining ring; 8. Dust cover; 9. Oil pipe assembly; 10. Radial spherical bearing; 11. Pipe connector; 12. Lubricating nozzle; 31. Release fork support; 32. Locating pin hole; 33. Base frame; 41. Locating hole; 42. Oil hole; 43. Oil passage. Detailed Implementation

[0035] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0036] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the utility model described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, system, product, or device that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, products, or devices.

[0037] The purpose of this invention is to provide a clutch disengagement mechanism, a gearbox, and an automobile with anti-rotation positioning, so as to solve the technical problem of how to reduce the bending, twisting and jamming of lubricating oil pipes in the prior art.

[0038] The present invention will now be described in further detail with reference to the accompanying drawings:

[0039] Example 1

[0040] See Figure 1 and Figure 2 In one embodiment of this utility model, a clutch disengagement mechanism with anti-rotation positioning is provided, including a clutch disengagement fork 1, a disengagement fork support unit 3, a clutch disengagement fork shaft 4, and an oil pipe assembly 9; the disengagement fork support unit 3 includes two disengagement fork supports 31 and a base frame 33; the two disengagement fork supports 31 are respectively vertically fixed on the top of the base frame 33 and arranged opposite to each other, and the bottom of the base frame 33 is close to the clutch booster pump; one end of the clutch disengagement fork shaft 4 is sleeved on one disengagement fork support 31, and the other end is sleeved on the other disengagement fork support 31. Above; a positioning structure is provided between any one of the release fork brackets 31 and one side of the clutch release fork shaft 4 corresponding to the release fork bracket 31 to prevent the clutch release fork shaft 4 from rotating between the two release fork brackets 31; the clutch release fork 1 is sleeved on the clutch release fork shaft 4 and is located between the two sets of release fork brackets 31; one end of the clutch release fork shaft 4 is connected to a pipe joint 11, one end of the oil pipe assembly 9 is connected to the pipe joint 11, and the other end is provided with a lubricating oil nozzle 12 through the base frame 33 for connecting the lubrication medium unit.

[0041] Specifically, according to Figure 4 , Figure 5 and Figure 6 As shown, a positioning pin hole 32 is provided on any one of the release fork brackets 31, and a positioning hole 41 is provided on one side of the clutch release fork shaft 4 at the position corresponding to the positioning pin hole 32; the positioning structure is a positioning pin 6; the positioning pin 6 is inserted into the positioning pin hole 32 and the positioning hole 41 respectively.

[0042] The positioning hole 41 is perpendicular to the shaft of the clutch release fork shaft 4.

[0043] The positioning hole 41 and the positioning pin hole 32 are through holes, single-sided holes or threaded holes.

[0044] In this embodiment, the form of the locating pin matches the form of the locating hole 41 and the locating pin hole 32, and the structure includes an elastic pin, a solid pin, or a locating bolt.

[0045] Specifically, an oil passage 43 is provided inside the clutch release fork shaft 4 along the shaft direction, the pipe joint 11 is inserted into the oil passage 43, and an oil hole 42 communicating with the oil passage 43 is opened on the side wall of the clutch release fork shaft 4; the clutch release fork 1 is connected to the oil hole 42.

[0046] Specifically, according to Figure 3 As shown, the clutch release fork 1 is provided with a mounting hole, in which a radial spherical bearing 10 is installed, and on both sides of the radial spherical bearing 10, a hole elastic retaining ring 7 and a dust cover 8 are respectively installed; the shaft of the clutch release fork shaft 4 is sleeved in the radial spherical bearing 10.

[0047] Among them, the radial joint bearing 10 is provided with a fork bushing 2 between its two sides and the two release fork brackets 31 respectively; the fork bushing 2 is sleeved on the clutch release fork shaft 4.

[0048] In this embodiment, the clutch release fork shaft 4 is inserted into one side hole of the release fork bracket 31, and passes through the fork shaft sleeve 2, the joint radial bearing 10, the fork shaft sleeve 2 and the other side hole of the release fork bracket 31 in sequence. The position is adjusted so that the positioning hole 41 on the clutch release fork shaft 4 is aligned with the positioning pin hole 32 on the release fork bracket 31. The positioning pin 6 is inserted to achieve the positioning of the clutch release fork shaft 4.

[0049] Specifically, the other end of the clutch release fork 1 is a release fork ball socket 5, which is positioned toward the clutch booster pump.

[0050] In this embodiment, when the commercial vehicle driver depresses the clutch pedal, the clutch booster pump push rod pushes against the release fork ball socket 5 and moves back and forth. The clutch release fork 1 rotates around the center of the clutch release fork shaft 4, thereby causing the top fork foot of the fork to reciprocate, and then causing the release bearing to move back and forth, thus realizing the disengagement and engagement of the clutch.

[0051] The clutch disengagement mechanism with anti-rotation positioning provided in this embodiment adds a positioning pin 6 and a positioning hole on the clutch disengagement fork bracket 3 and the clutch disengagement fork shaft 4. During the installation of the clutch disengagement fork mechanism assembly, the positioning holes of the two parts are aligned and the matching positioning pin 6 is inserted into the positioning hole to achieve the purpose of circumferential and axial positioning of the clutch disengagement fork shaft 4. This avoids the oil pipe assembly from getting tangled between the clutch disengagement fork shaft and the clutch disengagement fork when the clutch disengagement fork shaft rotates, causing bending, twisting and jamming.

[0052] Example 2

[0053] This embodiment provides a gearbox, including a clutch release mechanism with anti-rotation positioning as described above. The clutch release mechanism with anti-rotation positioning is connected and fixed to the heavy-duty gearbox clutch housing through the release fork bracket unit 3. At the same time, a clutch booster pump is installed on the outer mounting surface of the release fork ball socket 5. The top fork foot of the clutch release fork 1 is connected to the gearbox clutch release bearing. The release bearing is connected to the clutch diaphragm spring release finger through a special retaining ring.

[0054] Example 3

[0055] This embodiment provides a vehicle including a transmission as described above.

[0056] In summary, the clutch disengagement mechanism with anti-rotation positioning provided in this embodiment has a positioning structure between any one of the disengagement fork brackets and one side of the clutch disengagement fork shaft corresponding to that disengagement fork bracket. This fixes the clutch disengagement fork shaft in the positions of the two disengagement fork brackets and ensures that the disengagement fork shaft does not rotate during the operation of the clutch disengagement mechanism. This avoids the failure of the oil pipe assembly to bend, twist, or jam during operation and ensures that the disengagement mechanism works normally.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the specific implementation of this utility model. Any modifications or equivalent substitutions that do not depart from the spirit and scope of this utility model should be covered within the protection scope of the claims of this utility model.

Claims

1. An anti-rotation positioning clutching and decoupling mechanism, characterized in that, The clutch release fork (1), the release fork support unit (3), the clutch release fork shaft (4) and the oil pipe assembly (9) are included. The release fork support unit (3) includes two release fork supports (31) and a bottom frame (33). The two release fork supports (31) are respectively vertically fixed on the top of the bottom frame (33) and oppositely arranged. The bottom of the bottom frame (33) is close to the clutch booster pump. One end of the clutch release fork shaft (4) is sleeved on one release fork support (31), and the other end is sleeved on the other release fork support (31). A positioning structure is arranged between any one release fork support (31) and the side of the clutch release fork shaft (4) corresponding to the release fork support (31), so as to prevent the clutch release fork shaft (4) from rotating between the two release fork supports (31). The clutch release fork (1) is sleeved on the clutch release fork shaft (4) and located between the two release fork supports (31). One end of the clutch release fork shaft (4) is connected with a pipe joint (11). One end of the oil pipe assembly (9) is connected with the pipe joint (11), and the other end is provided with a lubricating oil nozzle (12) through the bottom frame (33) to connect with a lubricating medium unit.

2. A rotation-preventing positioning clutch-release mechanism according to claim 1, characterized in that A positioning pin hole (32) is arranged on any one release fork support (31). A positioning hole (41) is arranged on the side of the clutch release fork shaft (4) corresponding to the positioning pin hole (32). The positioning structure is a positioning pin (6). The positioning pin (6) is correspondingly inserted into the positioning pin hole (32) and the positioning hole (41).

3. A rotation-preventing positioning clutch-release mechanism according to claim 2, characterized in that The hole of the positioning hole (41) is perpendicular to the shaft body of the clutch release fork shaft (4).

4. A rotation-preventing positioning clutch-release mechanism according to claim 2, characterized in that The positioning hole (41) and the positioning pin hole (32) are through holes, one-side holes or threaded holes.

5. A rotation-preventing positioning clutch-release mechanism according to claim 1, characterized in that An oil channel (43) is arranged in the clutch release fork shaft (4) along the shaft body direction. The pipe joint (11) is inserted into the oil channel (43). An oil hole (42) is arranged on the side wall of the clutch release fork shaft (4) and communicates with the oil channel (43). The clutch release fork (1) communicates with the oil hole (42).

6. A rotation-preventing positioning clutch-release mechanism according to claim 1, characterized in that A mounting hole is arranged on the clutch release fork (1). A radial joint bearing (10) is arranged in the mounting hole. A hole elastic retainer (7) and a dust cover (8) are respectively arranged on the two sides of the radial joint bearing (10). The shaft body of the clutch release fork shaft (4) is sleeved in the radial joint bearing (10).

7. A rotation-preventing positioning clutch-release mechanism according to claim 6, characterized in that A release fork shaft sleeve (2) is arranged between the two release fork supports (31) on the two sides of the radial joint bearing (10). The release fork shaft sleeve (2) is sleeved on the clutch release fork shaft (4).

8. A rotation-preventing positioning clutch-release mechanism according to claim 1, characterized in that The other end of the clutch release fork (1) is a release fork ball socket (5). The release fork ball socket (5) is arranged towards the clutch booster pump.

9. A gearbox characterized in that, The anti-rotation positioning clutch release mechanism includes the anti-rotation positioning clutch release mechanism according to any one of claims 1-8.

10. An automobile characterized by comprising: The gearbox includes the gearbox according to claim 9.

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