Clutch detection device

Abstract

The utility model discloses a clutch detection device, which comprises a fixed support, a leakage test assembly and a clamping assembly, and is characterized in that the fixed support is arranged on a first side surface of a clutch body; the leakage testing assembly is provided with a second air channel opposite to the second air port. The clamping assembly comprises a first clamping piece, a second clamping piece and a connecting piece, the connecting piece is installed on the fixing support, the first clamping piece and the second clamping piece are both installed on the connecting piece, in the first direction, the clutch is clamped between the first clamping piece and the second clamping piece, the first clamping piece is located on the first side face and at least partially abuts against the piston, and the second clamping piece is located on the second side face and at least partially abuts against the piston. The second clamping piece is located on the second side face. The clutch detection device is simple in structure, convenient to operate and high in detection efficiency, and air tightness between the clutch and the piston can be well detected.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field especially is involved in a clutch detection device. BACKGROUND

[0002] Different working modes in the reduction gearbox of the automobile often adopt different gear shifting systems to realize the combination between shaft systems to achieve different working modes, wherein the certain oil pressure pushes the piston to press the clutch plate to act as the commonly used combination structure. Therefore, it is crucial to confirm the sealing quality of the cooperation between the piston and the surrounding parts. In the production and maintenance process of the automobile transmission, the multi-in-one multi-gear electric drive or the hybrid transmission, the clutch piston air tightness detection is an important process. SUMMARY

[0003] The utility model discloses at least one of the technical problems in the prior art. Therefore, one purpose of the utility model is to provide a clutch detection device, which is simple in structure, easy to operate, can better detect the air tightness between the clutch and the piston, and has high detection efficiency.

[0004] According to the clutch detection device, the clutch includes a clutch body and a piston, the clutch body has two side surfaces in the first direction, which are a first side surface and a second side surface, the piston is installed in the installation groove of the first side surface, the clutch body has a first air channel, the first air channel has a first air port and a second air port, and the piston blocks the first air port. The clutch detection device comprises a fixed support, a leak detection assembly, and a clamping assembly. The fixed support is arranged on the first side surface of the clutch body. The leak detection assembly has a second air channel opposite the second air port. When the leak detection assembly and the clutch body abut, the second air channel can communicate with the first air channel. The clamping assembly comprises a first clamping piece, a second clamping piece, and a connecting piece. The connecting piece is installed on the fixed support. The first clamping piece and the second clamping piece are both installed on the connecting piece. In the first direction, the clutch is clamped between the first clamping piece and the second clamping piece. The first clamping piece is located on the first side surface and at least partially abuts on the piston. The second clamping piece is located on the second side surface.

[0005] According to the clutch detection device, the clutch can be clamped by the clamping assembly. The first air channel in the clutch can communicate with the second air channel of the leak detection assembly by the leak detection assembly. The external gas filling equipment can be assembled with the leak detection assembly. The gas of the gas filling equipment can enter the first air channel through the second air channel, so as to detect the air tightness of the piston. The structure is simple, the operation is convenient, the air tightness between the clutch and the piston can be better detected, and the detection efficiency is high.

[0006] In addition, the utility model still can have the following additional technical features:

[0007] In some embodiments of the utility model, the fixed support has a mounting hole, and the leak testing assembly comprises: a leak testing connector seat, the leak testing connector seat is arranged in the mounting hole, and the leak testing connector seat is provided with the second air channel; a leak testing connector, the leak testing connector is detachably installed at one end of the leak testing connector seat away from the clutch; a first adjusting member, the first adjusting member is connected between the leak testing connector seat and the fixed support, and is used for adjusting the position of the leak testing connector seat in a first direction.

[0008] In some embodiments of the utility model, the leak testing connector seat comprises: a seat body and a pipe body, the seat body is connected at one end of the pipe body towards the clutch and extends towards the radial outer side, the other end of the pipe body is arranged in the mounting hole and is detachably connected with the leak testing connector, and the leak testing assembly further comprises: a first positioning member, the first positioning member is arranged on the second side surface and is used for limiting the distance between the seat body and the fixed support.

[0009] In some embodiments of the utility model, the first positioning member comprises a positioning screw, and the positioning screw is screwed with the fixed support.

[0010] In some embodiments of the utility model, the leak testing assembly further comprises: a first buffer member, the first buffer member is arranged on the side surface of the leak testing connector seat towards the clutch.

[0011] In some embodiments of the utility model, the first direction is the up-down direction, the first adjusting member comprises an adjusting nut, the adjusting nut is arranged on the upper surface of the fixed support and is screwed with the leak testing connector seat.

[0012] In some embodiments of the utility model, the clutch detection device further comprises: at least one fixing member, the fixing member is fixedly connected between the clutch body and the fixed support, and the fixing member and the clamping assembly are spaced apart along a second direction, wherein the first direction and the second direction are perpendicular to each other.

[0013] In some embodiments of the utility model, the fixing member is provided with a plurality of fixing members, and the plurality of fixing members are arranged spaced apart along a third direction, wherein the first direction, the second direction and the third direction are perpendicular to each other.

[0014] In some embodiments of the utility model, the fixed support is provided with a first fixed hole penetrating through the fixed support along a first direction, the fixed part is arranged in the first fixed hole, and the clutch detection device further comprises: a second buffer part, the second buffer part is arranged on the side of the fixed support facing the clutch, and is arranged close to the first fixed hole.

[0015] In some embodiments of the utility model, the clutch detection device further comprises a third buffer part and a fourth buffer part, the third buffer part is arranged between the first clamping part and the piston, and the fourth buffer part is arranged between the second clamping part and the clutch body.

[0016] In some embodiments of the utility model, the fixed support is provided with a second fixed hole penetrating through the fixed support along a first direction, the connecting part comprises a connecting bolt, the connecting bolt is screwed in the second fixed hole, the connecting bolt has a first part extending towards one side of the clutch and a second part extending towards the side away from the clutch, the first clamping part and the second clamping part are connected to the first part, the clamping assembly further comprises a second adjusting part and a third adjusting part, the second adjusting part is screwed in the first part for adjusting the position of the first clamping part in the first direction, and the third adjusting part is screwed in the first part for adjusting the position of the second clamping part in the first direction.

[0017] In some embodiments of the utility model, the second adjusting part comprises a first adjusting nut and a second adjusting nut, and the first adjusting nut and the second adjusting nut are arranged on the two sides of the first clamping part respectively.

[0018] In some embodiments of the utility model, the first direction is the up-down direction, the first clamping part is located on the upper side of the second clamping part, the third adjusting part comprises a third adjusting nut, the second clamping part is provided with a through hole penetrating through the second clamping part along the first direction, the connecting bolt is arranged in the through hole, and the third adjusting nut is threadedly connected to the lower end of the connecting bolt.

[0019] In some embodiments of the utility model, the clutch detection device further comprises: a grabbing assembly, the grabbing assembly comprises: a driving part, the driving part is installed on the third fixed hole of the fixed support; a grabbing part, the grabbing part is in transmission connection with the driving part, and the driving part drives the grabbing part to move to grab the piston.

[0020] In some embodiments of the utility model, the grabbing assembly is provided with multiple, wherein, when the grabbing assembly is provided with two, two the grabbing assembly respectively grabs in the second direction of the piston two sides, when the number of grabbing assembly is greater than or equal to three, multiple the grabbing assembly is along the outer periphery of the piston along even interval arrangement.

[0021] In some embodiments of the utility model, the driving member includes a driving bolt, and the driving bolt is threadedly connected in the third fixing hole.

[0022] In some embodiments of the utility model, the first direction is up-down direction, the first clamping piece is located in the upside of the second clamping piece, the second clamping piece is provided with the through hole along the first direction and penetrating the second clamping piece, the connecting piece includes connecting bolt, the connecting bolt is arranged in the through hole, the third adjusting nut is threadedly connected in the lower end of the connecting bolt, the clutch detection device further includes support block, the lower end of the connecting bolt is suitable for top pressure on the upper surface of the support block, so that the fixed support is away from the clutch when the connecting bolt is relative to the fixed support rotation.

[0023] In some embodiments of the utility model, the clutch detection device further includes a second positioning member, a portion of the second positioning member is installed in the positioning hole of the fixed support, and another portion of the second positioning member is used for positioning cooperation with the clutch body.

[0024] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0025] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0026] Figure 1 It is a sectional view of the clutch detection device of an embodiment.

[0027] Figure 2 It is a structural schematic view of one angle of the clutch detection device and clutch (partial) cooperation of an embodiment.

[0028] Figure 3 It is another angle structural schematic view of the clutch detection device and clutch (partial) cooperation of an embodiment.

[0029] Figure 4 It is Figure 3 The sectional view along A-A line in Fig.

[0030] Figure 5 It isFigure 4 Enlarged view of the middle D region.

[0031] Figure 6 is Figure 3 Cross-sectional view along the line B-B in the middle.

[0032] Figure 7 is Figure 3 Cross-sectional view along the line C-C in the middle.

[0033] Reference signs:

[0034] 100, clutch detection device;

[0035] 1, fixed support; 11, first fixed hole;

[0036] 2, leak testing assembly; 21, second air passage; 22, leak testing joint seat; 23, leak testing joint; 24, first adjusting member; 25, first positioning member; 26, first buffering member;

[0037] 3, clamping assembly; 31, first clamping member; 32, second clamping member; 33, connecting member; 34, second adjusting member; 35, third adjusting member;

[0038] 4, fixed member;

[0039] 51, second positioning member; 52, second buffering member; 53, third buffering member; 54, fourth buffering member;

[0040] 6, grabbing assembly; 61, driving member; 62, grabbing member;

[0041] 200, clutch; 7, clutch body; 71, first air passage; 8, piston; DETAILED DESCRIPTION

[0042] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as a limitation of the present application.

[0043] In the description of the utility model, it is necessary to understand that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0044] In the description of the utility model, it should be explained that, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or 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 between two elements or the interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0045] Different working modes in the reduction gearbox of the automobile often adopt different gear shifting systems to realize the combination between shaft systems to achieve different working modes, wherein the piston is pushed by a certain oil pressure to press the clutch plate, which acts as a commonly used combination structure. Therefore, it is crucial to confirm the sealing quality of the piston and the surrounding parts. In the production and maintenance process of the automobile transmission, the multi-in-one multi-gear electric drive or hybrid transmission, the clutch piston air tightness detection is an important process.

[0046] Based on this, the application provides a clutch detection device 100, which is simple in structure, convenient to operate, can better detect the air tightness between the clutch 200 and the piston 8, and is high in detection efficiency.

[0047] The following refers to Figure 1-7 The clutch detection device 100 according to the utility model embodiment is described.

[0048] The application takes the clutch 200 as an example for description, and it should be noted that the structural logic or design logic of the application can also be used to detect other structures or devices that need to be detected for air tightness, and the application does not limit this.

[0049] As Figure 2 and Figure 3As shown, the clutch 200 comprises a clutch body 7 and a piston 8, the clutch body 7 has a first side and a second side on two sides in a first direction, the piston 8 is installed in a mounting groove on the first side, the clutch body 7 has a first air passage 71, the first air passage 71 has a first air port and a second air port, and the piston 8 blocks the first air port.

[0050] In combination Figure 1 And Figure 4 As shown, the clutch detection device 100 comprises a fixed support 1, a leak detection assembly 2 and a clamping assembly 3, the fixed support 1 is arranged on the first side of the clutch body 7 in the first direction; the leak detection assembly 2 has a second air passage 21 opposite the second air port, so that the second air passage 21 can communicate with the first air passage 71 when the leak detection assembly 2 abuts against the clutch body 7; the clamping assembly 3 comprises a first clamping piece 31, a second clamping piece 32 and a connecting piece 33, the connecting piece 33 is installed on the fixed support 1, and the first clamping piece 31 and the second clamping piece 32 are both installed on the connecting piece 33, the clutch 200 is clamped between the first clamping piece 31 and the second clamping piece 32 in the first direction, wherein the first clamping piece 31 is located on the first side and at least partially abuts against the piston 8, and the second clamping piece 32 is located on the second side.

[0051] Exemplarily, as Figure 1 shown, the first direction can refer to the up-down direction. The second direction in the following can refer to the left-right direction, and the third direction can refer to the front-rear direction, which will not be described in detail in the following description of the present application. The above-mentioned directions are only for the convenience of describing the present application, and are not a limitation on the present application.

[0052] Exemplarily, the fixed support 1 can be Figure 2 plate-shaped as shown, the plate-shaped fixed support 1 has a part extending along the second direction and a part extending along the third direction, thereby forming a T-shaped support plate. It should be noted that the fixed support 1 of the present application can also have other forms, which are not limited in the present application.

[0053] Exemplarily, the first clamping piece 31 can be plate-shaped and have a downwardly open groove, and a third buffer 53, such as a piston 8 protective pad, can be arranged in the groove. The third buffer 53 is made of a non-metal material, generally a plastic with large elastic-plasticity, and can have a ring structure, thereby reducing damage to the piston 8 when the first clamping piece 31 is pressed on the piston 8.

[0054] Exemplarily, the second clamping piece 32 can be block-shaped, and the second clamping piece 32 can be clamped on the lower side of the clutch body 7.

[0055] Exemplarily, the first clamping piece 31 and the second clamping piece 32 clamp the upper and lower sides of the clutch 200 respectively, at this time, the second air channel 21 of the leak testing assembly 2 can be in communication with the first air channel 71, the gas filling equipment can be assembled with the leak testing assembly 2, the gas of the gas filling equipment can enter into the first air channel 71 through the second air channel 21, thereby detecting the air tightness at the piston 8, the structure is simple, the operation is convenient, the air tightness between the clutch 200 and the piston 8 can be detected well, and the detection efficiency is high.

[0056] According to the clutch detection device 100 provided in the embodiment of the utility model, the clutch 200 can be clamped well through the clamping assembly 3, the first air channel 71 in the clutch 200 can be in communication with the second air channel 21 of the leak testing assembly 2 through the leak testing assembly 2, the external gas filling equipment can be assembled with the leak testing assembly 2, the gas of the gas filling equipment can enter into the first air channel 71 through the second air channel 21, thereby detecting the air tightness at the piston 8, the structure is simple, the operation is convenient, the air tightness between the clutch 200 and the piston 8 can be detected well, and the detection efficiency is high.

[0057] In some embodiments of the utility model, as shown in Figure 1 The leak testing assembly 2 comprises a leak testing connector seat 22, a leak testing connector 23 and a first adjusting piece 24, the leak testing connector seat 22 is arranged in the mounting hole, the leak testing connector seat 22 is provided with the second air channel 21, the leak testing connector 23 is detachably arranged at one end of the leak testing connector seat 22 away from the clutch 200, and the first adjusting piece 24 is connected between the leak testing connector seat 22 and the fixed support 1 and is used for adjusting the position of the leak testing connector seat 22 in the first direction.

[0058] That is to say, after the clamping assembly 3 clamps the clutch 200, the position of the leak testing connector seat 22 is adjusted through the first adjusting piece 24, so that the first air channel 71 is in communication with the second air channel 21, or when the clamping assembly 3 clamps the clutch 200, the leak testing connector seat 22 does not contact the clutch 200, so that the risk of mutual collision and damage of the leak testing connector seat 22 and the clutch 200 during the clamping action of the clamping assembly 3 can be reduced.

[0059] Optionally, as shown in Figure 1 The leak testing connector seat 22 comprises a seat body and a pipe body, the seat body is connected at one end of the pipe body facing the clutch 200 and extends towards the radial outer side, the other end of the pipe body is arranged in the mounting hole and is detachably connected with the leak testing connector 23, and the leak testing assembly 2 further comprises a first positioning piece 25 arranged on the second side and used for limiting the distance between the seat body and the fixed support 1.

[0060] That is, when the clutch detection device 100 is not positioned in contact with the clutch 200, the first positioning member 25 and the first adjusting member 24 can limit the position of the leak testing connector seat 22 in the first direction, and the shake of the leak testing connector seat 22 during the carrying or installation of the clutch detection device 100 can be avoided, so that the risk of damage to the leak testing connector seat 22 can be reduced, and meanwhile, the reliable position of the leak testing connector seat 22 can make the second air channel 21 better communicate with the first air channel 71 during the air tightness detection of the clutch detection device 100, and finally, the first positioning member 25 limits the distance between the seat body and the fixed support 1, so that the risk of damage caused by the mutual collision between the seat body and the fixed support 1 due to excessive adjustment of the first adjusting member 24 can be reduced.

[0061] In some embodiments of the utility model, the first positioning member 25 includes a positioning screw, and the positioning screw is screwed with the fixed support 1. The positioning screw has simple structure, convenient assembly and low cost.

[0062] In some embodiments of the utility model, as shown in Figure 1 The leak testing assembly 2 further includes a first buffer member 26, and the first buffer member 26 is arranged on the side of the leak testing connector seat 22 facing the clutch 200. Thus, the risk of damage caused by the mutual collision between the leak testing connector seat 22 and the clutch body 7 when they are in contact can be reduced through the first buffer member 26.

[0063] In some embodiments of the utility model, the first direction is the up-down direction, the first adjusting member 24 includes an adjusting nut, the adjusting nut is placed on the upper surface of the fixed support 1, and the adjusting nut is screwed with the leak testing connector seat 22.

[0064] That is, the leak testing connector seat 22 can be installed on the fixed support 1 only through the adjusting nut, and when the position of the leak testing connector seat 22 is adjusted by the adjusting nut, only the adjusting nut needs to be screwed, so that the operation is simple and convenient.

[0065] In some embodiments of the utility model, as shown in Figure 1 , Figure 3 and Figure 6 The clutch detection device 100 further includes at least one fixing member 4, the fixing member 4 is fixedly connected between the clutch body 7 and the fixed support 1, the fixing member 4 and the clamping assembly 3 are spaced apart along a second direction, and the first direction and the second direction are perpendicular to each other.

[0066] That is, the connection reliability of the clutch body 7 and the fixed support 1 can be improved through the fixing member 4, so that the first clamping member 31 can effectively extrude the piston 8 when the clamping assembly 3 clamps the clutch 200, and the risk of defects during the test can be reduced.

[0067] In some embodiments of the utility model, as shown inFigure 1 、 Figure 3 and Figure 6 As shown in

[0068] Exemplarily, the fixing member 4 is provided with two, and the two fixing members 4 are spaced apart along the third direction.

[0069] Exemplarily, the fixing member 4 comprises a fixing bolt.

[0070] In some embodiments of the utility model, as shown in Figure 1 、 Figure 3 and Figure 6 The fixing support 1 is provided with a first fixing hole 11 penetrating through the fixing support 1 along the first direction, and the fixing member 4 penetrates the first fixing hole 11, and the clutch detection device 100 further comprises a second buffer 52, which is arranged on the side of the fixing support 1 facing the clutch 200 and is arranged near the first fixing hole 11.

[0071] That is to say, when the fixing support 1 and the clutch 200 are fixedly connected through the fixing member 4, the second buffer 52 can reduce the risk of damage caused by the mutual contact of the fixing support 1 and the clutch 200.

[0072] In some embodiments of the utility model, as shown in Figure 1 The clutch detection device 100 further comprises a third buffer 53 and a fourth buffer 54, the third buffer 53 is arranged between the first clamping member 31 and the piston 8, and the fourth buffer 54 is arranged between the second clamping member 32 and the clutch body 7.

[0073] That is to say, the third buffer 53 and the fourth buffer 54 can protect the two sides of the clutch 200 respectively, and avoid damage to the clutch body 7 and the piston 8.

[0074] In some embodiments of the utility model, as shown in Figure 1 The fixing support 1 is provided with a second fixing hole penetrating through the fixing support 1 along the first direction, the connecting member 33 comprises a connecting bolt, the connecting bolt is screwed in the second fixing hole, the connecting bolt has a first part extending towards one side of the clutch 200, and a second part extending towards one side away from the clutch 200, the first clamping member 31 and the second clamping member 32 are connected to the first part, the clamping assembly 3 further comprises a second adjusting member 34 and a third adjusting member 35, the second adjusting member 34 is screwed in the first part, and is used for adjusting the position of the first clamping member 31 in the first direction, and the third adjusting member 35 is screwed in the first part, and is used for adjusting the position of the second clamping member 32 in the first direction.

[0075] That is, the connecting bolt can pass through the fixing support 1, the first clamping piece 31 and the second clamping piece 32 in sequence from top to bottom, and the second adjusting piece 34 and the third adjusting piece 35 can adjust the positions of the first clamping piece 31 and the second clamping piece 32 according to actual needs, so that the clutch 200 of different thicknesses can be matched, and the practicability of the clutch detection device 100 can be improved.

[0076] In some embodiments of the utility model, as shown in Figure 1 The second adjusting piece 34 includes a first adjusting nut and a second adjusting nut, and the first adjusting nut and the second adjusting nut are arranged on the two sides of the first clamping piece 31 respectively. The first adjusting nut and the second adjusting nut are simple in structure, convenient to adjust, and low in cost.

[0077] In some embodiments of the utility model, as shown in Figure 1 The first direction is the up-down direction, the first clamping piece 31 is located on the upper side of the second clamping piece 32, the third adjusting piece 35 includes a third adjusting nut, the second clamping piece 32 is provided with a through hole penetrating the second clamping piece 32 along the first direction, the connecting bolt is arranged in the through hole, and the third adjusting nut is threadedly connected to the lower end of the connecting bolt.

[0078] That is, the connecting bolt can pass through the second clamping piece 32 from top to bottom, so that the position of the second clamping piece 32 can be adjusted only by the third adjusting nut, and the structure is simple, the adjustment operation is convenient, and the cost is low.

[0079] In some embodiments of the utility model, as shown in Figure 1 , Figure 4 and Figure 5 The clutch detection device 100 further includes a grabbing assembly 6, the grabbing assembly 6 includes a driving piece 61 and a grabbing piece 62, the driving piece 61 is installed on the third fixing hole of the fixing support 1, the grabbing piece 62 is in transmission connection with the driving piece 61, and the driving piece 61 drives the grabbing piece 62 to move to grab the piston 8.

[0080] Exemplarily, the driving piece 61 can drive the grabbing piece 62 to adjust the position of the grabbing piece 62, when the air tightness detection of the piston 8 is in a poor condition, the driving piece 61 can adjust the position of the grabbing piece 62, so as to hold the piston 8. In some examples, the fixing support 1 can be driven by other driving structures, so that the piston 8 is taken out of the clutch 200; in some examples, the driving piece 61 can be directly driven to drive the grabbing piece 62, so that the piston 8 is directly taken out of the clutch 200 completely or partially, and the structure is simple and the operation is convenient.

[0081] In some embodiments of the utility model, as shown in Figure 1-4As shown, the plurality of gripping assemblies 6 are arranged along the outer periphery of the piston 8 at uniform intervals.

[0082] In the above example, by arranging the plurality of gripping assemblies 6, the force acting on the piston 8 can be balanced, and the damage of the piston 8 caused by unbalanced force during the removal process can be reduced.

[0083] In some embodiments of the present application, the driving member 61 comprises a driving bolt which is threadedly connected in the third fixing hole. The driving bolt has simple structure, is convenient to operate, and has low production cost.

[0084] Exemplarily, the gripping member 62 can be a pawl which is made of metal and has an L-shaped structure, and the pawl can be threadedly connected with the driving bolt.

[0085] In some embodiments of the present application, as shown, Figure 1 The first direction is the up-down direction, the first clamping member 31 is located at the upper side of the second clamping member 32, the second clamping member 32 is provided with a through hole penetrating through the second clamping member 32 along the first direction, the connecting member 33 comprises a connecting bolt, the connecting bolt is arranged in the through hole, a third adjusting nut is threadedly connected at the lower end of the connecting bolt, and the clutch detection device 100 further comprises a support block, the lower end of the connecting bolt is adapted to be pressed against the upper surface of the support block, so that the fixed support 1 moves away from the clutch 200 when the connecting bolt rotates relative to the fixed support 1.

[0086] That is, when the piston 8 needs to be removed from the clutch 200, the connecting bolt can be screwed, at this time, the position of the fixed support 1 can be limited so that the fixed support 1 does not rotate when the connecting bolt is screwed, at this time, the position of the connecting bolt in the up-down direction does not change when the connecting bolt rotates downward because the lower end is pressed against the support block, so that the connecting bolt is equivalent to the lead screw of the lead screw structure, and the fixed support 1 is equivalent to the nut in the lead screw structure, thereby the fixed support 1 moves upward, the upward movement of the fixed support 1 drives the gripping assembly 6 to move upward, and the gripping assembly 6 moves upward with the piston 8 because it holds the piston 8, so that the piston 8 is separated from the clutch body 7, thereby achieving the effect of separating the piston 8 from the clutch body 7.

[0087] Exemplarily, the clutch detection device 100 is further fixedly connected with the clutch body 7 through the fixing member 4, and the fixing member 4 can be removed first when the piston 8 is separated from the clutch body 7.

[0088] In some embodiments of the present application, as shown, Figure 1 and Figure 7As shown, the clutch detection device 100 further comprises a second positioning member 51, part of the second positioning member 51 is mounted in the positioning hole of the fixed support 1, and the other part of the second positioning member 51 is used for positioning cooperation with the clutch body 7. That is, before the fixed support 1 and the clutch 200 are fixedly connected, the positioning can be performed in advance through the second positioning member 51, and the efficiency of the fixed connection between the fixed support 1 and the clutch 200 can be improved.

[0089] The clutch detection device 100 provided by the utility model is commonly applied to the air tightness detection of the clutch 200 piston 8 after assembly in the transmission or the electric drive system of the automobile, and the sealing quality between the piston 8 and the matched tooling can be checked and confirmed. In the case of unqualified, the tooling can complete the disassembly of the unqualified piston 8. The compressed air is filled through the leak detection joint 23, and the air tightness instrument device is used to judge whether the piston 8 assembly of the clutch 200 exists leakage. If there is leakage, the clutch 200 pawl (namely the grabbing piece 62) can be used to tighten the piston 8. The device has the advantages of simple structure, low cost and convenient operation.

[0090] Exemplarily, the fixed support 1 is metal, the clutch 200 pawl is metal, and the screws of the utility model are metal.

[0091] Exemplarily, the first clamping piece 31 comprises a pressing disc, is metal, adopts medium carbon alloy steel heat treatment, and is subjected to disc weight reduction treatment and has a threaded structure matched with the threaded connection bolt.

[0092] Exemplarily, the first buffer 26, the second buffer 52, the third buffer 53 and the fourth buffer 54 are non-metal materials, and generally adopt plastic with large elastic-plasticity.

[0093] Exemplarily, the second clamping piece 32 is metal, adopts medium carbon alloy steel heat treatment, and has a threaded structure in the middle of the cylinder matched with the threaded connection bolt.

[0094] Exemplarily, the leak detection joint seat 22 is metal, adopts medium carbon alloy steel heat treatment, and is a hollow outer thread entity.

[0095] Exemplarily, the second positioning member 51 can be a positioning pin, and the positioning pin is in interference fit with the positioning hole.

[0096] Other constitutions and operations of the clutch detection device 100 according to the utility model embodiment are known to those skilled in the art, and will not be described in detail here.

[0097] In the description of the specification, the description of the terms "some embodiments", "optionally", "further", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the present application. In the description of the specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0098] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A clutch detection device (100), characterized by, The clutch (200) comprises a clutch body (7) and a piston (8), the clutch body (7) has a first side and a second side on two sides in a first direction, the piston (8) is installed in a mounting groove of the first side, the clutch body (7) has a first air channel (71) with a first air port and a second air port, and the piston (8) blocks the first air port; The clutch detection device (100) comprises: A fixed support (1) arranged on the first side of the clutch body (7); A leak detection assembly (2) having a second air channel (21) opposite to the second air port, so that the second air channel (21) can communicate with the first air channel (71) when the leak detection assembly (2) abuts against the clutch body (7); A clamping assembly (3) comprising a first clamping piece (31), a second clamping piece (32) and a connecting piece (33), the connecting piece (33) is installed on the fixed support (1), the first clamping piece (31) and the second clamping piece (32) are both installed on the connecting piece (33), and the clutch (200) is clamped between the first clamping piece (31) and the second clamping piece (32) in a first direction, wherein the first clamping piece (31) is located on the first side and at least partially abuts against the piston (8), and the second clamping piece (32) is located on the second side.

2. The clutch detection device (100) according to claim 1, characterized in that The fixed support (1) has a mounting hole, and the leak detection assembly (2) comprises: A leak detection connector seat (22) penetrating the mounting hole, the leak detection connector seat (22) has the second air channel (21) therein; A leak detection connector (23) detachably installed on one end of the leak detection connector seat (22) away from the clutch (200); A first adjusting piece (24) connected between the leak detection connector seat (22) and the fixed support (1) for adjusting the position of the leak detection connector seat (22) in the first direction; A first buffer piece (26) arranged on the side of the leak detection connector seat (22) facing the clutch (200).

3. The clutch detection device (100) according to claim 2, characterized in that The leak detection connector seat (22) comprises a seat body and a pipe body, the seat body is connected to one end of the pipe body facing the clutch (200) and extends towards the radial outer side, the other end of the pipe body penetrates the mounting hole and is detachably connected with the leak detection connector (23), and the leak detection assembly (2) further comprises: A first positioning piece (25) arranged on the second side for limiting the distance between the seat body and the fixed support (1).

4. The clutch detection device (100) according to claim 2, characterized in that The first direction is the up-down direction, the first adjusting piece (24) comprises an adjusting nut, the adjusting nut is placed on the upper surface of the fixed support (1) and is threadedly connected with the leak detection connector seat (22).

5. The clutch detection device (100) according to claim 1, characterized in that The clutch detection device (100) further comprises at least one fixing member (4) fixedly connected between the clutch body (7) and the fixed support (1), the fixing member (4) and the clamping assembly (3) are spaced apart in a second direction, wherein the first direction and the second direction are perpendicular to each other, and the fixing member (4) is provided in plurality, and the plurality of fixing members (4) are arranged spaced apart in a third direction, wherein the first direction, the second direction and the third direction are perpendicular to each other in pairs.

6. The clutch detection device (100) according to claim 5, characterized in that The fixed support (1) is provided with a first fixing hole (11) penetrating the fixed support (1) in the first direction, the fixing member (4) penetrates the first fixing hole (11), and the clutch detection device (100) further comprises a second buffer member (52), which is arranged on the side of the fixed support (1) facing the clutch (200) and is arranged adjacent to the first fixing hole (11).

7. The clutch detection device (100) according to claim 1, characterized in that Further comprising a third buffer member (53) and a fourth buffer member (54), the third buffer member (53) is arranged between the first clamping member (31) and the piston (8), and the fourth buffer member (54) is arranged between the second clamping member (32) and the clutch body (7).

8. The clutch detection device (100) according to claim 1, characterized in that The fixed support (1) is provided with a second fixing hole penetrating the fixed support (1) in the first direction, the connecting member (33) comprises a connecting bolt, the connecting bolt is screwed in the second fixing hole, the connecting bolt has a first part extending towards the side of the clutch (200), and a second part extending towards the side away from the clutch (200), the first clamping member (31) and the second clamping member (32) are connected to the first part, the clamping assembly (3) further comprises a second adjusting member (34) and a third adjusting member (35), the second adjusting member (34) is screwed in the first part for adjusting the position of the first clamping member (31) in the first direction, and the third adjusting member (35) is screwed in the first part for adjusting the position of the second clamping member (32) in the first direction.

9. The clutch detection device (100) according to claim 8, characterized in that The second adjusting member (34) comprises a first adjusting nut and a second adjusting nut, and the first adjusting nut and the second adjusting nut are arranged on the two sides of the first clamping member (31) respectively.

10. The clutch detection device (100) according to claim 8, characterized in that The first direction is the up-down direction, the first clamping member (31) is located on the upper side of the second clamping member (32), the third adjusting member (35) comprises a third adjusting nut, the second clamping member (32) is provided with a through hole penetrating the second clamping member (32) in the first direction, the connecting bolt penetrates the through hole, and the third adjusting nut is threadedly connected to the lower end of the connecting bolt.

11. The clutch detection device (100) according to claim 1, characterized in that Further comprising: a grabbing assembly (6), the grabbing assembly (6) comprises: a driving member (61) mounted on the third fixing hole of the fixed support (1); A grabbing member (62) is in driving connection with the driving member (61), and the driving member (61) drives the grabbing member (62) to move to grab the piston (8). The grabbing assembly (6) is provided with a plurality of grabbing assemblies (6), When the grabbing assembly (6) is provided with two grabbing assemblies (6), the two grabbing assemblies (6) are arranged on two sides of the piston (8) in the second direction, respectively. When the number of the grabbing assembly (6) is greater than or equal to three, a plurality of grabbing assemblies (6) are arranged along the outer periphery of the piston (8) at uniform intervals.

12. The clutch detection device (100) according to claim 11, characterized in that The first direction is the up-down direction, the first clamping member (31) is located on the upper side of the second clamping member (32), the second clamping member (32) is provided with a through hole penetrating through the second clamping member (32) in the first direction, the connecting member (33) comprises a connecting bolt, the connecting bolt is arranged in the through hole, a third adjusting nut is threadedly connected to the lower end of the connecting bolt, The clutch detection device (100) further comprises a support block, and the lower end of the connecting bolt is adapted to be pressed against the upper surface of the support block, so that the fixed support (1) is away from the clutch (200) when the connecting bolt rotates relative to the fixed support (1).

13. The clutch detection device (100) according to claim 1, characterized in that Further comprising: A second positioning member (51) is partially mounted in the positioning hole of the fixed support (1), and the other part of the second positioning member (51) is used for positioning cooperation with the clutch body (7).

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