Long life inner hub

Abstract

The utility model belongs to clutch inner hub technical field especially relates to a long -life inner hub, the spline groove is set up in the shaft sleeve, the connecting shaft is inserted into the shaft sleeve in use, the spline groove is limited to the connecting shaft, the axial rotation angle of connecting axle is limited, the one side fixed connection of shaft sleeve has the connecting ring, the one end away from the shaft sleeve of connecting ring is provided with the connecting assembly, the connecting assembly is used for connecting the friction piece subassembly, the other side of shaft sleeve is provided with the protection structure, the protection structure includes the protection ring and the installation component, the installation component is fixedly connected with the protection ring on the shaft sleeve, the protection ring can reduce the wear and tear of shaft sleeve, prolong the service life of shaft sleeve, and produce elastic deformation when being loaded, absorb impact energy.

Description

Technical Field

[0001] This utility model belongs to the field of clutch inner hub technology, and in particular relates to a long-life inner hub. Background Technology

[0002] The clutch is located inside the flywheel housing between the engine and the transmission. The clutch assembly is fixed to the rear surface of the flywheel with screws. The output shaft of the clutch is the input shaft of the transmission. During vehicle operation, the driver can press or release the clutch pedal as needed to temporarily separate and gradually engage the engine and transmission, thereby cutting off or transmitting the power input from the engine to the transmission. The existing protective structure of the clutch inner hub mostly adopts a single rigid design, which cannot effectively absorb impacts, is prone to wear, and affects service life. Utility Model Content

[0003] The purpose of this invention is to provide a long-life inner hub to address the aforementioned technical problems, thereby solving the issues raised in the background section.

[0004] In view of this, the present invention provides a long-life inner hub, wherein a spline groove is provided inside the bushing; The connecting ring is fixedly connected to one side of the bushing; A protective structure is provided on one side of the bushing. A connecting component is located at the end of the connecting ring furthest from the bushing. The protective structure includes: The protective ring is fixedly connected to the end of the bushing away from the connecting ring; The mounting assembly is used to securely connect the protective ring to the bushing.

[0005] In the above technical solution, the protective ring further includes an integrally formed mounting part and an elastic part. The mounting part has a plurality of first opening grooves evenly opened on its circumference. The elastic part is an upwardly convex arc-shaped ring, and the elastic part has a plurality of second opening grooves evenly opened on its circumference, which are staggered with the first opening grooves.

[0006] In the above technical solution, the installation components further include: Mounting holes: Several mounting holes are evenly spaced around the mounting part and extend inward to the bushing. Bolts are used to connect to the mounting holes.

[0007] In the above technical solution, each second opening groove is further provided with a protrusion that is fixedly connected to the bushing.

[0008] In the above technical solution, the connecting component further includes a connecting part and a buffer part; The connecting part includes: Connecting blocks, several connecting blocks are evenly fixed around the circumference of the connecting ring on the side away from the bushing; The snap-fit ​​block is fixedly connected to the end of the connecting block; The buffer section includes: The connecting plate is fixedly connected to the side of the connecting ring away from the bushing; Buffer protrusions, several buffer protrusions are circumferentially fixed on the connecting plate; Through slots: Each buffer protrusion has a through slot.

[0009] In the above technical solution, the connecting blocks are evenly distributed around the connecting disc.

[0010] Furthermore, in the above technical solution, a toothed ring is provided on the outer wall of the connecting ring.

[0011] In the above technical solution, a bevel is further provided on one side of the snap-fit ​​block.

[0012] The beneficial effects of this utility model are as follows: 1. The protective structure includes a protective ring and a mounting assembly. The mounting assembly securely connects the protective ring to the bushing. The protective ring can reduce bushing wear, extend bushing service life, and generate elastic deformation under load to absorb impact energy.

[0013] 2. Several second opening grooves are evenly provided on the circumference of the elastic part. The second opening grooves are staggered with the first opening grooves to enhance the elastic deformation capability.

[0014] 3. One side of the snap-fit ​​block is designed with a bevel for easy installation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is an exploded view of this utility model; Figure 3 This is a schematic diagram of the structure of this utility model from another perspective; The markings in the diagram are as follows: 1-shaft sleeve, 2-spline groove, 3-connecting ring, 4-protective ring, 5-mounting part, 6-elastic part, 7-first opening groove, 8-second opening groove, 9-mounting hole, 10-bolt, 11-connecting part, 12-buffer part, 13-connecting block, 14-clamping block, 15-connecting disc, 16-buffering protrusion, 17-through groove, 18-gear ring, 19-protrusion. Detailed Implementation

[0016] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0017] Example 1: This embodiment provides a long-life inner hub, including: Bushing 1, with a spline groove 2 inside bushing 1; Connecting ring 3 is fixedly connected to one side of bushing 1; The protective structure is located on the other side of the bushing 1; A connecting component is located at the end of the connecting ring 3 away from the bushing 1; The protective structure includes: Protective ring 4 is fixedly connected to the end of bushing 1 away from connecting ring 3; The mounting component is used to securely connect the protective ring 4 to the bushing 1.

[0018] As can be seen in this embodiment, a spline groove 2 is provided inside the bushing 1. When in use, the connecting shaft is inserted into the bushing 1, and the spline groove 2 limits the axial rotation angle of the connecting shaft. A connecting ring 3 is fixedly connected to one side of the bushing 1. A connecting component is provided at the end of the connecting ring 3 away from the bushing 1. The connecting component is used to connect the friction plate assembly. A protective structure is provided on the other side of the bushing 1. The protective structure includes a protective ring 4 and a mounting component. The mounting component fixes the protective ring 3 to the bushing 1. The protective ring 4 can reduce the wear of the bushing 1, extend the service life of the bushing 1, and generate elastic deformation under load to absorb impact energy.

[0019] Example 2: This embodiment provides a long-life inner hub, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0020] The protective ring 4 includes an integrally formed mounting part 5 and an elastic part 6. The mounting part 5 has a plurality of first opening grooves 7 evenly formed around its circumference. The elastic part 6 is an upwardly convex arc-shaped ring. The elastic part 6 has a plurality of second opening grooves 8 evenly formed around its circumference, which are interspersed with the first opening grooves 7.

[0021] As can be seen from this embodiment, the protective ring 4 includes an integrally formed mounting part 5 and an elastic part 6. The protective ring 4 is made of metal. The mounting part 5 has a plurality of first opening grooves 7 evenly opened around its circumference. The elastic part 6 is an upwardly convex arc-shaped ring. The elastic part 6 has a plurality of second opening grooves 8 evenly opened around its circumference. The second opening grooves 8 and the first opening grooves 7 are staggered to enhance the elastic deformation capability.

[0022] Example 3: This embodiment provides a long-life inner hub, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0023] The installation components include: Mounting holes 9 are evenly distributed around the mounting part 5, and the mounting holes 9 extend inward to the bushing 1. Bolt 10 is connected to mounting hole 9.

[0024] As can be seen from this embodiment, a number of mounting holes 9 are evenly provided around the circumference of the mounting part 5, and the mounting holes 9 extend inward to the bushing 1. The screw 10 is connected to the mounting holes 9 to realize the fixed connection between the protective ring 4 and the bushing 1, which makes installation and disassembly simple.

[0025] Example 4: This embodiment provides a long-life inner hub, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0026] Each second opening slot 8 is provided with a protrusion 19 that is fixedly connected to the bushing 1.

[0027] As can be seen from this embodiment, each second opening groove 8 is provided with a protrusion 19 that is fixedly connected to the bushing 1 to limit the excessive deformation of the elastic part 6.

[0028] Example 5: This embodiment provides a long-life inner hub, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0029] The connecting component includes a connecting part 11 and a buffer part 12; The connecting part 11 includes: Connecting blocks 13, a plurality of connecting blocks 13 are evenly fixedly arranged on the side of the connecting ring 3 away from the bushing 1; The snap-fit ​​block 14 is fixedly connected to the end of the connecting block 13; The buffer section 12 includes: Connecting disc 15 is fixedly connected to the side of connecting ring 3 away from bushing 1; A number of buffer protrusions 16 are circumferentially fixed on the connecting disk 15. Through groove 17, each buffer protrusion 16 has a through groove 17.

[0030] As can be seen from this embodiment, the connecting assembly includes a connecting part 11 for mounting the friction plate assembly and a buffer part 12 for shock absorption and noise reduction. The connecting part 11 includes a connecting block 13 and a snap-fit ​​block 14. Several connecting blocks 13 are circumferentially and uniformly fixed on the side of the connecting ring 3 away from the bushing 1. The snap-fit ​​block 14 is fixedly connected to the end of the connecting block 13. The connecting block 13 is elastic and can realize the detachable snap-fit ​​of the friction plate assembly. The buffer part 12 is made of elastic material such as rubber. The connecting disc 15 is fixedly connected to the side of the connecting ring 3 away from the bushing 1. Several buffer protrusions 16 are circumferentially fixed on the connecting disc 15. Each buffer protrusion 16 has a through groove 17. The through groove 17 provides sufficient compression space inside the buffer protrusion 16, which can better reduce shock and noise.

[0031] Example 6: This embodiment provides a long-life inner hub, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0032] The connecting blocks 13 are evenly distributed around the circumference of the connecting plate 15.

[0033] As can be seen from this embodiment, the connecting block 13 is evenly distributed around the connecting disk 15, forming an integrated structure of the connecting part 11 and the buffer part 12.

[0034] Example 7: This embodiment provides a long-life inner hub, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0035] A toothed ring 18 is provided on the outer wall of the connecting ring 3.

[0036] As can be seen from this embodiment, a toothed ring 18 is provided on the outer wall of the connecting ring 3 for meshing with an external transmission component.

[0037] Example 8: This embodiment provides a long-life inner hub, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0038] One side of the snap-fit ​​block 14 has a bevel.

[0039] As can be seen from this embodiment, one side of the snap-fit ​​block 14 is set as an inclined surface, which facilitates installation.

[0040] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A long-life inner hub, characterized in that, include: A bushing (1) has a spline groove (2) inside. Connecting ring (3), the connecting ring (3) is fixedly connected to one side of bushing (1); A protective structure is provided on the other side of the bushing (1); A connecting component is disposed at the end of the connecting ring (3) away from the bushing (1); The protective structure includes: A protective ring (4) is fixedly connected to the end of the bushing (1) away from the connecting ring (3); The mounting assembly is used to fix the protective ring (4) to the bushing (1).

2. The long-life inner hub according to claim 1, characterized in that, The protective ring (4) includes an integrally formed mounting part (5) and an elastic part (6). The mounting part (5) has a number of first opening grooves (7) evenly opened on its circumference. The elastic part (6) is an upwardly convex arc-shaped ring. The elastic part (6) has a number of second opening grooves (8) evenly opened on its circumference, which are interleaved with the first opening grooves (7).

3. The long-life inner hub according to claim 2, characterized in that, The installation components include: Mounting holes (9) are evenly spaced around the mounting portion (5), and the mounting holes (9) extend inward to the bushing (1); Bolt (10) is connected to mounting hole (9).

4. A long-life inner hub according to claim 2, characterized in that, Each of the second opening slots (8) is provided with a protrusion (19) that is fixedly connected to the bushing (1).

5. A long-life inner hub according to claim 1, characterized in that, The connecting component includes a connecting part (11) and a buffer part (12); The connecting part (11) includes: Connecting blocks (13), a plurality of the connecting blocks (13) are evenly fixed around the circumference of the connecting ring (3) on the side away from the bushing (1); A snap-fit ​​block (14) is fixedly connected to the end of the connecting block (13); The buffer section (12) includes: Connecting disc (15), the connecting disc (15) is fixedly connected to the side of the connecting ring (3) away from the bushing (1); Buffer protrusions (16), a plurality of such buffer protrusions (16) are circumferentially fixed on the connecting disk (15); Through slot (17), each of the buffer protrusions (16) is provided with a through slot (17).

6. A long-life inner hub according to claim 5, characterized in that, The connecting block (13) is evenly distributed around the circumference of the connecting plate (15).

7. A long-life inner hub according to claim 1, characterized in that, The outer wall of the connecting ring (3) is provided with a toothed ring (18).

8. A long-life inner hub according to claim 5, characterized in that, The snap-fit ​​block (14) has a sloping surface on one side.

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