Torsional shock absorber transition disc of innovative structure and mounting structure of torsional shock absorber transition disc

Abstract

The invention relates to a torsional shock absorber transition disc with an innovative structure and a mounting structure thereof, the torsional shock absorber transition disc comprises a disc body, an inner hole is formed in the center of the disc body, a plurality of special-shaped holes are formed in the periphery of the inner hole, and a protruding compression spring mounting seat is arranged on one side of the special-shaped holes in the circumferential direction; the other sides of the special-shaped holes in the circumferential direction are communicated with the positioning limiting holes, and bolt holes are formed between the adjacent special-shaped holes. The device is high in structural universality and low in machining cost, and meanwhile, mistake proofing of assembling and mixing can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of torsion damper transition plates, and in particular to a torsion damper transition plate with an innovative structure and a mounting structure thereof. Background Art

[0002] The torsional vibration damper plays a key role between the engine and the transmission. It can effectively reduce the torsional stiffness of the crankshaft and transmission joint, thereby reducing the natural frequency of the transmission torsional vibration. This device also enhances the torsional damping effect of the transmission, effectively suppressing the amplitude associated with torsional resonance and attenuating transient torsional vibrations caused by impacts.

[0003] As a core component of the automobile transmission system, the torsion damper is mainly composed of elastic elements and damper elements. The structure of the transition plate in the torsion damper is also crucial; it is a key component for installing the spline hub and the shock-absorbing compression spring.

[0004] Conventional transition plates need to be equipped with many friction parts and damping parts, which have high manufacturing costs, complex structures and low production efficiency. Summary of the invention

[0005] In view of the above problems, the present invention provides a torsional damper transition plate with an innovative structure and its installation structure, which not only has strong structural versatility and low processing cost, but also can realize error-proofing of assembly mixing.

[0006] In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the present invention is as follows: A torsional damper transition plate with an innovative structure comprises a plate body, an inner hole is provided at the center of the plate body, a plurality of special-shaped holes are provided around the inner hole, a raised compression spring mounting seat is provided on one side of the special-shaped hole in the circumferential direction, the other side of the special-shaped hole in the circumferential direction is connected to a positioning limit hole, and bolt holes are provided between adjacent special-shaped holes.

[0007] Preferably, the tray body is integrally cast.

[0008] Preferably, the disc body is circular in shape, and the thickness of the disc body is 30-50 mm.

[0009] Preferably, a plurality of protruding fixing teeth are provided on the inner circumference of the inner hole.

[0010] Preferably, the upper end surface of the special-shaped hole is an arc surface, and the side of the special-shaped hole close to the inner hole is a straight edge.

[0011] Preferably, the fixing teeth are evenly distributed on the inner circumference of the inner hole, and a plurality of protection teeth are also provided on the inner circumference of the inner hole. The protection teeth are located between two fixing teeth, and the protruding size of the protection teeth is smaller than that of the fixing teeth.

[0012] Preferably, the compression spring mounting seat is connected to the end surface of the disc body in an axially offset manner.

[0013] In order to achieve the above-mentioned purpose and other related purposes, the present invention also provides an installation structure of a torsional damper transition plate with an innovative structure, including a plate body and a spline hub, the two plate bodies are axially staggered and overlapped, and the inner holes of the two plate bodies are overlapped and installed on the spline hub.

[0014] Preferably, the interior of the spline hub is provided with spline teeth, and the outer periphery of the spline hub is provided with a plurality of protrusions, and the protrusions are embedded in two adjacent fixed teeth.

[0015] Preferably, the bumps are radially distributed on the outer periphery of the spline hub.

[0016] The present invention has the following positive effects: 1. The present invention adopts a positive and negative stacking method to install the disk body, an inner hole is provided at the center of the disk body, a plurality of special-shaped holes are provided on the side of the inner hole, a compression spring mounting seat is provided on one side of the radial direction of the special-shaped hole, and a positioning limit hole is provided on the other side of the radial direction of the special-shaped hole. Not only is the structure versatile and the processing cost low, but also error-proofing of assembly mixing can be achieved at the same time.

[0017] 2. The disk body of the present invention is integrally cast and has a simple structure and is easy to process, thereby further improving the production efficiency of the product. At the same time, the two disk bodies are axially offset and overlapped, and the inner holes of the two disk bodies are overlapped and installed on the spline hub, which can better effectively suppress the amplitude related to torsional resonance and attenuate transient torsional vibration caused by impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention (I); Figure 2 It is a structural schematic diagram of the present invention (II); Figure 3 It is a schematic diagram of the three-dimensional structure of the present invention (I); Figure 4 It is a schematic diagram of the three-dimensional structure of the present invention (II); Figure 5 It is a schematic diagram of the three-dimensional structure of the present invention (III); Figure 6 It is a schematic diagram of the installation structure of the present invention.

[0019] Explanation of the numbers in the figure: 1-disc body, 2-inner hole, 201-fixed tooth, 202-protective tooth, 3-special-shaped hole, 4-compression spring mounting seat, 5-positioning limit hole, 6-bolt hole, 7-spline hub, 71-spline tooth, 72-bump; 8-diaphragm spring, 9-friction surface plate, 10-compression spring, 11-torsion damper cover plate. DETAILED DESCRIPTION

[0020] The following is a description of exemplary embodiments of the present disclosure in conjunction with the accompanying drawings, including various details of the embodiments of the present disclosure to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present disclosure. Similarly, for the sake of clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.

[0021] Example: Figure 1 or Figure 2 or Figure 3 or Figure 4 or Figure 5 As shown, a torsional damper transition plate with an innovative structure includes a plate body 1, which is installed in a positive and negative stacking manner, an inner hole 2 is provided at the center of the plate body 1, and a plurality of special-shaped holes 3 are provided around the inner hole 2, a compression spring mounting seat 4 is provided on one side of the special-shaped hole 3 in the circumferential direction, a positioning limit hole 5 is provided on the other side of the special-shaped hole 3 in the circumferential direction, and bolt holes 6 are provided between adjacent special-shaped holes 3.

[0022] In this embodiment, the disc body 1 is integrally cast.

[0023] In this embodiment, the shape of the disk body 1 is circular, and the thickness of the disk body 1 is 30-50 mm.

[0024] In this embodiment, a plurality of protruding fixing teeth 201 are provided on the inner circumference of the inner hole 2 .

[0025] In this embodiment, the upper end surface of the special-shaped hole 3 is an arc surface, and the side of the special-shaped hole 3 close to the inner hole 2 is a straight edge.

[0026] In this embodiment, the upper end surface of the special-shaped hole 3 is an arc surface, and the lower end surface of the special-shaped hole 3 is a straight edge surface.

[0027] In this embodiment, the fixing teeth 201 are evenly distributed on the inner circumference of the inner hole 2 . A plurality of protective teeth 202 are also provided on the inner circumference of the inner hole 2 . The protective teeth 202 are located between two fixing teeth 201 . The protruding size of the protective teeth 202 is smaller than that of the fixing teeth 201 .

[0028] In this embodiment, the compression spring mounting seat 4 is connected to the end surface of the disc body 1 in an axially offset manner.

[0029] In this embodiment, the present invention provides an innovative mounting structure of a torsional damper transition plate, including a plate body 1 and a spline hub 7, wherein the two plate bodies 1 are axially staggered and overlapped, and the inner holes 2 of the two plate bodies 1 are overlapped and mounted on the spline hub 7.

[0030] In this embodiment, the spline hub 7 is provided with a spline tooth 71 inside, and the outer periphery of the spline hub 7 is provided with a plurality of protrusions 72, and the protrusions 72 are embedded in two adjacent fixed teeth 201. The two protrusions 72 limit the fixed teeth 201 to play a role in torque transmission, and the protective teeth 202 play a role in limiting the transitional torsion of the protrusions 72.

[0031] In this embodiment, the protrusions 72 are radially distributed on the outer circumference of the spline hub 7 .

[0032] The working principle of the present invention is as follows: Figure 6 As shown, the torque is transmitted from the inertia flywheel to the friction surface of the torsion damper. The friction surface 9 is pressed against the torsion damper cover 11 by the diaphragm disc spring 8 (reducing the axial impact and noise reduction effect). The torsion damper cover 11 is connected in parallel with the torsion damper transition plate stack. Finally, the torque is output to the spline hub 7 through the torsion damper transition plate. At the same time, the torsion damper transition plate is connected with a shock-absorbing compression spring 10 to reduce the torsional vibration impact of the input end (reduce the impact on the spline and the output end) and output torque. The spline hub 7 is installed in the inner hole 2, which is the power output position. The two torsion damper transition plates receive and transmit torque. The compression springs 10 installed in the multiple special-shaped holes 3 are used to relieve the instantaneous impact force received.

[0033] The innovative design of the torsion damper transition plate is that the inner hole is designed into a plum petal shape that fits with the spline hub 7 at multiple locations, and the disc surface is designed with multiple special-shaped holes 3 for installing the compression spring 10. A compression spring mounting seat 4 is provided on one side of the special-shaped hole 3 in the circumferential direction, and the compression spring 10 is installed by stacking two torsion damper transition plates in positive and negative directions to achieve circumferential positive and negative installation. The compression spring seat 4 is also designed with a convex part. After the two torsion damper transition plates are stacked in positive and negative directions, the compression spring 10 is installed in the positive and negative directions. The torsional vibration damper is horizontal, and the inner hole 2 on the torsional vibration damper transition plate has a phase relationship with the special-shaped hole 3. When the two torsional vibration damper transition plates are superimposed on each other, the spline hub 7 is just stuck, and the straight edges of the multiple special-shaped holes 3 are aligned, and the spline hub 7 does not fall off. The design and boundaries meet the assembly requirements. The raised part on the disk surface of the torsional vibration damper transition plays a role of limiting rotation. The disk surface of the torsional vibration damper transition plate is also provided with a positioning limit hole 5, which is also a complete hole structure composed of two torsional vibration damper transition plates superimposed.

[0034] In summary, the present invention not only has strong structural versatility and low processing cost, but also can realize error prevention of assembly mixing.

[0035] The above specific implementations do not constitute a limitation on the protection scope of the present disclosure. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A torsional vibration damper transition plate with an innovative structure, comprising a plate body (1), characterized in that: An inner hole (2) is provided at the center of the disk body (1), and a plurality of special-shaped holes (3) are provided around the inner hole (2). A protruding compression spring mounting seat (4) is provided on one side of the special-shaped hole (3) in the circumferential direction, and the other side of the special-shaped hole (3) in the circumferential direction is connected to a positioning limit hole (5), and bolt holes (6) are provided between adjacent special-shaped holes (3).

2. The torsional vibration damper transition plate of the innovative structure according to claim 1 is characterized by: The disc body (1) is integrally cast.

3. The torsional vibration damper transition plate of the innovative structure according to claim 1 is characterized by: The disc body (1) is circular in shape, and the thickness of the disc body (1) is 30-50 mm.

4. The torsional vibration damper transition plate of the innovative structure according to claim 1 is characterized by: A plurality of protruding fixing teeth (201) are provided in the inner circumference of the inner hole (2).

5. The torsional vibration damper transition plate of the innovative structure according to claim 1 is characterized by: The upper end surface of the special-shaped hole (3) is an arc surface, and the side of the special-shaped hole (3) close to the inner hole (2) is a straight edge.

6. The torsional vibration damper transition plate of the innovative structure according to claim 4 is characterized by: A plurality of protective teeth (202) are also provided in the inner circumferential direction of the inner hole (2); the protective teeth (202) are located between the two fixed teeth (201); and the protruding size of the protective teeth (202) is smaller than the size of the fixed teeth (201).

7. The torsional vibration damper transition plate of the innovative structure according to claim 1 is characterized by: The compression spring mounting seat (4) is connected to the end surface of the disc body (1) in an axially offset manner.

8. An innovative structure for mounting a transition plate of a torsional vibration damper, comprising a plate body (1) and a spline hub (7), characterized in that: The two disc bodies (1) are axially offset and overlapped, and the inner holes (2) of the two disc bodies (1) are overlapped and mounted on the spline hub (7).

9. The installation structure of the torsion damper transition plate according to claim 8, characterized in that: The interior of the spline hub (7) is provided with spline teeth (71), and the outer periphery of the spline hub (7) is provided with a plurality of protrusions (72), wherein the protrusions (72) are embedded in two adjacent fixed teeth.

10. The installation structure of the torsion damper transition plate according to claim 9, characterized in that: The protrusions (72) are distributed radially on the outer circumference of the spline hub (7).

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