Connecting structure and wet-type double-clutch device

Abstract

The utility model discloses a connecting structure and a wet-type double-clutch device, and relates to the technical field of automobile transmission, and the connecting structure comprises a main rotating hub, a release bearing seat and a pre-tightening force assembly. The main rotating hub and the release bearing seat can be matched in an inserted mode and are clamped and locked through at least one of a first clamping structure and a second clamping structure which have elastic deformation. And the pre-tightening force assembly ensures that the first clamping structure and the second clamping structure are kept in contact with each other by a certain acting force in the separation direction of the main rotating hub and the separation bearing seat, so that the stability is improved, and the assembly error is eliminated. According to the design, the mounting and dismounting processes of the main rotating hub and the release bearing seat are simplified, the maintenance cost is reduced, and meanwhile, the structural compactness and the dismounting efficiency are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of automobile transmission technology, in particular to a connecting structure and a wet-type double clutch device. BACKGROUND

[0002] In modern automobile transmission systems, wet-type double clutches are widely used due to their rapid and smooth shifting and high efficiency. A wet-type double clutch is mainly composed of two clutch assemblies, which are respectively connected to the output shaft of an engine and controlled by a hydraulic system to separate and combine. However, the traditional design of a wet-type double clutch has some structural limitations, especially in the installation and removal process of the main hub and the CSC (clutch separation bearing) base, which is relatively complex and requires higher technical requirements for operators. It takes more time and labor intensity to maintain, and the maintenance cost is high.

[0003] Therefore, there is an urgent need for a new connecting structure that is reliable and easy to disassemble, to simplify the installation and maintenance process, reduce the technical requirements for operators, and ensure that the performance of the wet-type double clutch is not affected. CONTENT OF THE INVENTION

[0004] Therefore, the purpose of the present application is to provide a connecting structure and a wet-type double clutch device that is reliable and easy to disassemble, to simplify the installation and maintenance process, reduce the technical requirements for operators, and ensure that the performance of the wet-type double clutch is not affected.

[0005] To achieve the above technical purpose, the present application provides a connecting structure, comprising a main hub, a separation bearing seat and a pre-tightening force assembly;

[0006] The main hub is provided with a first clamping structure;

[0007] The separation bearing seat can be inserted into the main hub and is provided with a second clamping structure;

[0008] The first clamping structure has elastic deformation and / or the second clamping structure has elastic deformation;

[0009] The first clamping structure and the second clamping structure are clamped to each other when the separation bearing seat can be inserted into the main hub, and can be in contact in the separation direction of the separation bearing seat and the main hub;

[0010] The pre-tightening force assembly is used to provide the pre-tightening force of the contact of the first clamping structure and the second clamping structure in the separation direction.

[0011] Further, the first clamping structure is an elastic clamping jaw structure, and the end away from the main hub is provided with a claw hook part;

[0012] The second clamping structure is a clamping groove structure or a step structure.

[0013] Further, the first clamping structure is at least two and is circumferentially spaced around the central axis of the main hub.

[0014] Further, the number of the first clamping structure is 4-12.

[0015] The distance between adjacent first clamping structures is 0.5-3mm.

[0016] Further, the claw hook portion is provided with a first abutting surface.

[0017] The second clamping structure is provided with a second abutting surface.

[0018] When the claw hook portion is clamped with the second clamping structure, the first abutting surface and the second abutting surface are oppositely arranged and can contact and abut in the separation direction of the separation bearing seat and the main hub.

[0019] Further, the claw hook portion is further provided with a first guide inclined surface away from the main hub at the position of the first abutting surface.

[0020] The first guide inclined surface can contact and relatively displace with the separation bearing seat when the main hub and the separation bearing seat are insertedly matched, so that the first clamping structure is deformed.

[0021] Further, the width of the first abutting surface is 0.4-1.2mm.

[0022] The main body structure length of the first clamping structure is 5-20mm.

[0023] The height of the first guide inclined surface is 2-5mm.

[0024] The inclination angle of the first guide inclined surface is 20-60°.

[0025] Further, the separation bearing seat is provided with a middle hole for inserting one end of the main hub.

[0026] The second clamping structure is arranged on the inner wall surface of the middle hole.

[0027] One end of the middle hole is provided with a second guide inclined surface for guiding the insertion of the main hub into the middle hole.

[0028] Further, the pre-tightening force assembly is a compression spring assembly.

[0029] The application also discloses a wet type double clutch device comprising a double clutch body and the connecting structure.

[0030] The double clutch body is assembled on the main hub of the connecting structure by interference fit;

[0031] The split bearing seat of the connecting structure is clamped with the main hub;

[0032] The pre-tightening force assembly of the connecting structure is installed between the double clutch body and the split bearing seat.

[0033] From the above technical solutions, the connecting structure designed in the application has the following beneficial effects:

[0034] 1. The split bearing seat and the main hub are designed by plug-in fit, and when the plug-in fit is in place, the clamping fit is realized by at least one of the first clamping structure and the second clamping structure with elastic deformation, and the split bearing seat and the main hub can be locked in contact in the separation direction. When disassembling, the clamping fit can be released by deforming the clamping structure with elastic deformation, and then the split bearing seat and the main hub are separated. This design can realize the quick installation and separation of the main hub and the split bearing seat, and reduce the installation and maintenance cost.

[0035] 2. The first clamping structure and the second clamping structure are always in contact in the separation direction by the pre-tightening force assembly, which improves the stability of the installation and eliminates the assembly error in the separation direction, so that the structure after assembly is more compact, thereby saving the installation space. At the same time, the force provided by the pre-tightening force assembly can accelerate the separation of the split bearing seat and the main hub when the first clamping structure and the second clamping structure are disengaged, thereby further improving the disassembly efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0037] Figure 1 It is a sectional view of a wet double clutch device provided in the application;

[0038] Figure 2 It is a front view of the main hub of a connecting structure provided in the application;

[0039] Figure 3 It is an enlarged schematic view of position A in Figure 1

[0040] ​In the figure: 1, main hub; 11, first clamping structure; 111, main body structure; 112, claw hook part; 1121, first abutting surface; 1122, first guide inclined surface; 2, split bearing seat; 21, second clamping structure; 211, second abutting surface; 22, middle hole; 221, second guide inclined surface; 23, thickening structure; 3, pre-tightening force assembly; 31, first compression spring; 32, second compression spring; 4, dual clutch body; 51, first operating element; 52, second operating element. DETAILED DESCRIPTION

[0041] The technical solutions of the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0042] In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the embodiments of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0043] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be replaceably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0044] The embodiments of the present application disclose a connecting structure.

[0045] Please refer to Figure 1 An embodiment of the connecting structure provided in the embodiments of the present application includes:

[0046] The main hub 1, the split bearing seat 2 (GSC base) and the pre-tightening force assembly 3.

[0047] The main hub 1 is provided with a first clamping structure 11; the split bearing seat 2 can be matched with the main hub 1 in a plug-in manner, and is provided with a second clamping structure 21.

[0048] The first clamping structure 11 has elastic deformation, and / or the second clamping structure 21 has elastic deformation.

[0049] The first clamping structure 11 and the second clamping structure 21 are clamped with each other when the split bearing seat 2 can be matched with the main hub 1 in a plug-in manner, and can be in contact with each other in a separation direction of the split bearing seat 2 and the main hub 1.

[0050] The pre-tightening force assembly 3 is used to provide a pre-tightening force of the first clamping structure 11 and the second clamping structure 21 in the separation direction.

[0051] The connecting structure designed in the application has the following beneficial effects:

[0052] 1. The split bearing seat 2 and the main hub 1 adopt a plug-in matching design concept, which not only enables the two components to be closely combined together, but also, after the plug-in matching is completely in place, the first clamping structure 11 and the second clamping structure 21 with elastic deformation are matched with each other, thereby realizing a firm clamping locking. The locking mode can effectively contact and resist each other in the separation direction of the split bearing seat 2 and the main hub 1, thereby ensuring the stability of the locking. When disassembly is required, only the clamping structure with elastic deformation needs to be deformed, and the clamping matching can be easily released, thereby smoothly completing the separation work of the split bearing seat 2 and the main hub 1. This design not only improves the installation and separation efficiency of the main hub 1 and the split bearing seat 2, but also significantly reduces the installation and maintenance cost.

[0053] 2. By using the pre-tightening force assembly 3, it is ensured that the first clamping structure 11 and the second clamping structure 21 always maintain contact and resistance in the separation direction with a certain pre-tightening force. The application of the pre-tightening force not only enhances the stability of the installation, but also effectively eliminates the assembly error in the separation direction, so that the overall structure after assembly is more compact, thereby saving valuable installation space. In addition, the force provided by the pre-tightening force assembly 3 can accelerate the separation of the split bearing seat 2 and the main hub 1 after the first clamping structure 11 and the second clamping structure 21 are released from the clamping matching, thereby significantly improving the disassembly efficiency and making the entire disassembly process more rapid and convenient.

[0054] The above is an embodiment one of a connecting structure provided by the application, and the following is an embodiment two of a connecting structure provided by the application, which will be specifically described with reference to Figures 1 to 3 .

[0055] Based on the scheme of the above embodiment one:

[0056] Further, as shown in Figure 2 the first clamping structure 11 is an elastic clamping jaw structure, and the end away from the main hub 1 is provided with a jaw hook part 112; the second clamping structure 21 is a clamping groove structure or a step structure, and is clamped and matched with the jaw hook part 112.

[0057] The second clamping structure 21 can also be an elastic clamping jaw structure, and the end away from the split bearing seat 2 is provided with a jaw hook part 112; the first clamping structure 11 is a clamping groove structure or a step structure. The first clamping structure 11 and the second clamping structure 21 can also be both elastic clamping jaw structures.

[0058] It is preferred that the first clamping structure 11 is an elastic clamping jaw structure, and the second clamping structure 21 is a clamping groove structure or a step structure; the matching mode of the clamping jaw structure and the clamping groove structure or the step structure not only has a simple structure and is easy to manufacture, but also has firm clamping and is not easy to fall off. The step structure is more convenient to disengage than the clamping groove structure, and it is preferred to adopt the step structure.

[0059] Further, as shown in Figure 2 the first clamping structure 11 is at least two, and is circumferentially spaced around the central axis of the main hub 1. This design can ensure that the connection between the main hub 1 and the split bearing seat 2 is more uniform and stable, and even when a large torque or vibration is borne, a good connection state can be maintained, and loosening or falling off is not easy to occur. The arrangement of multiple first clamping structures 11 can also disperse the stress during clamping and prolong the service life of the connection structure.

[0060] Further, as shown in Figure 2 the first clamping structure 11 is integrally formed with the main hub 1. This integrally formed design not only simplifies the assembly process, reduces production costs, but also improves the overall structural strength, so that the connection between the first clamping structure 11 and the main hub 1 is more firm and reliable. The integrally formed process also ensures the precision and consistency of the first clamping structure 11, thereby ensuring smooth clamping with the second clamping structure 21, and further improving the reliability and stability of the connection structure.

[0061] The number of first clamping structures 11 is 4-12; the spacing III between adjacent first clamping structures 11 is 0.5-3mm. This number of design and spacing setting not only ensures the connection strength, but also avoids the problems of difficult assembly caused by too dense clamping structures and unstable connection caused by too sparse clamping structures. Through reasonable number and spacing design, the connection structure not only has good assembly and economy while ensuring performance.

[0062] Further, as shown in Figure 3As shown, the claw hook part 112 is provided with a first abutting surface 1121; the second clamping structure 21 is provided with a second abutting surface 211; when the claw hook part 112 is clamped with the second clamping structure 21, the first abutting surface 1121 and the second abutting surface 211 are oppositely arranged and can abut in the separation direction of the separation bearing seat 2 and the main hub 1. The design of such abutting surfaces not only increases the contact area during clamping, improves the stability of clamping, but also provides more uniform stress in the separation direction, so that the clamping structure is more stable when stressed and is not easy to deform or damage.

[0063] Further, as shown, Figure 3 the claw hook part 112 is further provided with a first guide inclined surface 1122 at a position away from the main hub 1 of the first abutting surface 1121; the first guide inclined surface 1122 can contact and displace relative to the separation bearing seat 2 when the main hub 1 is inserted into the separation bearing seat 2, so that the first clamping structure 11 deforms.

[0064] The design of such first guide inclined surface 1122 greatly simplifies the installation process, making the insertion of the main hub 1 into the separation bearing seat 2 more smooth. When the main hub 1 is inserted into the separation bearing seat 2, the first guide inclined surface 1122 will contact the separation bearing seat 2 and displace relative to it as the insertion deepens. This displacement will cause the first clamping structure 11 to elastically deform until the claw hook part 112 smoothly slides into the position of the second clamping structure 21 and completes the clamping. This design not only improves the convenience of installation, but also reduces the risk of jamming or damage during installation.

[0065] Further, as shown, Figure 3 the width I of the first abutting surface 1121 is 0.4mm~1.2mm; as shown, Figure 2 the length II of the main body structure 111 of the first clamping structure 11 is 5mm~20mm; the height IV of the first guide inclined surface 1122 is 2mm~5mm; the inclination angle V of the first guide inclined surface 1122 is 20°~60°.

[0066] The setting of these parameters not only ensures the strength of the clamping structure, but also optimizes the form of the clamping structure, making the clamping process more smooth and the connection after clamping more stable.

[0067] The width of the first abutting surface 1121 is reasonably designed, which not only ensures sufficient contact area to withstand the axial force 12000N load, but also avoids assembly difficulty caused by excessive width.

[0068] The length of the main body structure 111 of the first clamping structure 11 is moderate, which can ensure the stability of the clamping structure, and will not increase unnecessary material cost due to too long length.

[0069] The height and inclination angle of the first guide slope 1122 are designed to balance the convenience of installation and the stability of the clamping structure, so that the entire installation process is both fast and reliable.

[0070] The cross-sectional profile of the claw hook part 112 parallel to the central axis of the main rotating shaft can be trapezoidal. In this design, the part outside the connection between the top surface and the main body structure 111 of the first clamping structure 11 can form the required first abutting surface 1121, and the outer inclined surface can form the required first guide slope 1122.

[0071] Further, as shown in Figure 1 and Figure 3 , the overall structure of the split bearing seat 2 is a structure that has been designed, which is provided with a middle hole 22 for the insertion of one end of the main rotating hub 1. Taking this as an example, the second clamping structure 21 is arranged on the inner wall surface of the middle hole 22. Taking the second clamping structure 21 as a stepped structure, a thickening structure 23 can be provided on the inner wall surface of the middle hole 22, one end of the thickening structure 23 extends to one end of the middle hole 22, and the other end can form a stepped structure with the inner wall surface of the middle hole 22 to serve as the second clamping structure 21. Moreover, the other end surface of the thickening structure 23 forms the second abutting surface 211.

[0072] As shown in Figure 1 , one end of the middle hole 22 is provided with a second guide slope 221 for guiding the insertion of the main rotating hub 1 into the middle hole 22. This design of the second guide slope 221 further improves the convenience of installation. When the main rotating hub 1 approaches the split bearing seat 2, the second guide slope 221 will first come into contact with the main rotating hub 1 and play a guiding role, so that the main rotating hub 1 can be smoothly inserted into the middle hole 22 along the predetermined trajectory. This design not only reduces the error during installation, but also improves the accuracy and efficiency of installation.

[0073] The pre-tightening force assembly 3 is a compression spring assembly. The application of the compression spring assembly not only has a simple structure and is easy to install, but also can provide stable and reliable pre-tightening force, thereby further enhancing the stability and reliability of the connection structure.

[0074] As shown in Figure 1 , the application also discloses a wet-type double clutch device, which comprises a double clutch body 4 and a connection structure.

[0075] The double clutch body 4 is assembled on the main rotating hub 1 of the connection structure by interference fit; the split bearing seat 2 of the connection structure is clamped with the main rotating hub 1; and the pre-tightening force assembly 3 of the connection structure is installed between the double clutch body 4 and the split bearing seat 2.

[0076] The pre-tightening assembly 3 can specifically include a first compression spring 31 and a second compression spring 32; the first compression spring 31 is pre-tightened between the first operating part connected between the double clutch body 4 and the separation bearing seat 2, and the second compression spring 32 is pre-tightened between the second operating part connected between the double clutch body 4 and the separation bearing seat 2, and details are not described herein.

[0077] The assembly process of the wet double clutch device designed in the application is as follows:

[0078] The double clutch body 4 is pressed down, so that the main hub 1 overcomes the elastic force provided by the pre-tightening assembly 3 (the first compression spring 31 / the second compression spring 32), the resistance of the first clamping structure 11 of the main hub 1 to deformation, so that the claw hook part 112 of the main hub 1 reaches the position of the second clamping structure 21 and realizes clamping cooperation with the second clamping structure 21, and then the pre-tightening force provided by the pre-tightening assembly 3 is used to axially clamp.

[0079] The disassembly process of the wet double clutch device designed in the application is as follows:

[0080] A sleeve is inserted into the middle hole 22 of the separation bearing seat 2 and clamped at the first guide slope 1122 of each claw hook part 112, then pressure is applied to the sleeve, the claw hook part 112 is extruded to be separated from the second clamping structure 21 through the sleeve, and since there is the pre-tightening assembly 3, the pre-tightening force provided by the pre-tightening assembly 3 can assist the separation movement of the main hub 1 and the separation bearing seat 2, so as to complete the disassembly of the double clutch body 4.

[0081] From the above assembly and disassembly process, it can be seen that the connection structure designed in the application can effectively improve the assembly and disassembly efficiency of the double clutch body 4, the operation is feasible, the economy is good, and has good application prospect.

[0082] The above describes in detail the connection structure and the wet double clutch device provided by the application. For those skilled in the art, according to the idea of the embodiment of the application, the specific implementation and application range will be changed, and the content of the specification should not be understood as a limitation of the application.

Claims

1. A connection structure characterized by comprising: The main hub (1), the split bearing seat (2) and the pre-tightening force assembly (3) are provided. The main hub (1) is provided with a first clamping structure (11). The split bearing seat (2) can be inserted into the main hub (1) and is provided with a second clamping structure (21). The first clamping structure (11) is elastically deformed and / or the second clamping structure (21) is elastically deformed. The first clamping structure (11) and the second clamping structure (21) are clamped to each other when the split bearing seat (2) is inserted into the main hub (1), and can be in contact in the direction of separation of the split bearing seat (2) and the main hub (1). The pre-tightening force assembly (3) is used to provide the pre-tightening force of the contact of the first clamping structure (11) and the second clamping structure (21) in the direction of separation.

2. The connection structure according to claim 1, characterized in that The first clamping structure (11) is an elastic clamping jaw structure, and one end away from the main hub (1) is provided with a jaw hook part (112). The second clamping structure (21) is a clamping groove structure or a stepped structure, and is clamped and matched with the jaw hook part (112).

3. The connection structure according to claim 2, characterized in that The first clamping structure (11) is at least two, and is circumferentially spaced around the central axis of the main hub (1).

4. The connection structure according to claim 3, characterized in that The number of the first clamping structure (11) is 4-12. The distance between adjacent first clamping structures (11) is 0.5-3 mm.

5. The connection structure according to claim 3, wherein The jaw hook part (112) is provided with a first abutting surface (1121). The second clamping structure (21) is provided with a second abutting surface (211). When the jaw hook part (112) and the second clamping structure (21) are clamped, the first abutting surface (1121) and the second abutting surface (211) are oppositely arranged and can be in contact in the direction of separation of the split bearing seat (2) and the main hub (1).

6. The connection structure according to claim 5, wherein The jaw hook part (112) is further provided with a first guide inclined surface (1122) away from the first abutting surface (1121) and the main hub (1). The first guide inclined surface (1122) can be in contact with the split bearing seat (2) and relatively displaced when the main hub (1) and the split bearing seat (2) are inserted into each other, so that the first clamping structure (11) is deformed.

7. The connection structure according to claim 6, wherein The width of the first abutting surface (1121) is 0.4-1.2 mm. The length of the main body structure (111) of the first clamping structure (11) is 5-20 mm. The height of the first guide inclined surface (1122) is 2-5 mm. The inclination angle of the first guide inclined surface (1122) is 20-60°.

8. The connection structure according to claim 1, wherein The split bearing seat (2) is provided with a middle hole (22) for inserting one end of the main hub (1). The second clamping structure (21) is arranged on the inner wall surface of the middle hole (22). One end of the middle hole (22) is provided with a second guide inclined surface (221) for guiding the insertion of the main hub (1) into the middle hole (22).

9. The connection structure according to claim 1, wherein The pre-tightening force assembly (3) is a compression spring assembly.

10. A wet-type double-clutch device characterized by comprising: The double clutch body (4) is assembled on the main hub (1) of the connecting structure by interference fit. The double clutch body (4) is assembled on the main hub (1) of the connecting structure by interference fit. The split bearing seat (2) of the connecting structure is clamped with the main hub (1). The pre-tightening force assembly (3) of the connecting structure is installed between the double clutch body (4) and the split bearing seat (2).

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