A support structure for automotive motor gears

Abstract

This utility model relates to the field of automotive motor gear technology, specifically a support structure for automotive motor gears. It includes a structural frame, a mounting bracket and a bearing surface with a convenient lubrication mechanism, a dust-proof mechanism on the mounting bracket surface, and a positioning and assembly mechanism on the inner wall of the mounting bracket and the bearing surface. This utility model not only allows the bearing to be positioned and assembled inside the mounting bracket during use, resulting in better support for the gear body, but also facilitates lubrication of the bearing, reducing wear on the gear shaft during rotation and extending its service life. It also reduces noise for both the gear body and the gear shaft. Furthermore, it minimizes dust ingress into the bearing, reducing the risk of jamming and enhancing the overall practicality of the support structure.

Description

Technical Field

[0001] This utility model relates to the field of automotive motor gear technology, specifically a support structure for automotive motor gears. Background Technology

[0002] The automotive transmission gear system is a key component that transmits engine power to the drive wheels. Its core principle is to achieve power transmission, speed change, torque change, and direction change through gear meshing. When using automotive gears, an automotive gear support structure is required. Existing automotive gear support structures have some shortcomings in use. In order to meet market needs, a support structure for automotive motor gears is required.

[0003] Existing support structures lack sufficient stability when supporting automotive gears. They also cannot properly position and assemble bearings, preventing the bearings from being securely mounted within the mounting bracket and reducing the support's effectiveness on the gear body. Furthermore, existing support structures are inconvenient for lubrication, leading to increased wear on the gear shaft as it rotates within the bearing, shortening its lifespan and failing to reduce noise for the gear body and shaft. In addition, existing support structures typically lack dustproof features, allowing dust to easily enter the bearing and cause jamming, further reducing the support structure's practicality. Utility Model Content

[0004] The purpose of this utility model is to provide a support structure for automotive motor gears, so as to solve the problems mentioned in the background art that the support structure cannot be used to position and assemble bearings, is inconvenient to lubricate, and usually does not have the function of preventing dust and dirt.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a support structure for automotive motor gears, comprising a structural frame, a support plate mounted on the surface of the structural frame, a mounting bracket provided on the surface at the top of the structural frame, the mounting bracket being connected to the surface of the structural frame by fastening screws, a gear body provided on one side of the structural frame, a gear shaft mounted on the surface at the center of the gear body, a bearing provided inside the mounting bracket, a convenient oiling mechanism provided on the surfaces of the mounting bracket and the bearing, a dustproof mechanism provided on the surface of the mounting bracket, and a positioning assembly mechanism provided on the inner wall of the mounting bracket and the surface of the bearing.

[0006] Preferably, the support plate and the two sides of the structural frame are threadedly connected with mounting studs. The bottom ends of the mounting studs pass through the structural frame and the support plate and extend to the bottom of the structural frame and the support plate. One end of the gear shaft passes through the bearing and extends to the outside of the bearing. The inner wall of the bearing has multiple sets of grooves arranged in an array. Balls are arranged inside the grooves. The balls rotate and engage with the surfaces of the grooves. The surfaces of the balls are in contact with the surfaces of the gear shaft. An automotive motor body is arranged on one side of the structural frame. The output end of the automotive motor body is mounted with a rotating shaft through a coupling. One end of the rotating shaft is fixed to the surface of one end of the gear shaft. A connecting end is mounted on the surface of the other end of the gear shaft. An assembly rod is arranged inside the connecting end. One end of the assembly rod extends to the outside of the connecting end. The connecting end and the assembly rod are connected by bolts.

[0007] Preferably, the convenient oil injection mechanism consists of a sealing plug, a handle, a rubber ring, and an oil injection port. Both the mounting bracket and the bearing have oil injection ports on their surfaces for oil inlet. The mounting bracket has a sealing plug on its surface for sealing the oil injection port, and the sealing plug extends into the interior of the oil injection port.

[0008] Preferably, the surface of the sealing plug is covered with a rubber ring for sealing between the sealing plug and the oil inlet, the rubber ring is in close contact with the inner wall of the oil inlet, and a handle is installed on the surface of the top of the sealing plug.

[0009] Preferably, the dustproof mechanism includes a dust cover, a positioning block, a mounting block, a nail body, and a rubber sealing gasket. The surface of the mounting frame is provided with a dust cover for dustproofing the inside of the mounting frame and the bearing. The inner side of the dust cover extends into the interior of the mounting frame. The dust cover is sleeved on the surface of the gear shaft. The inner wall of the dust cover is provided with a rubber sealing gasket for sealing between the mounting frame and the dust cover. The surface of the rubber sealing gasket is in contact with the inner wall of the mounting frame.

[0010] Preferably, the inner wall of the dust cover is equipped with a positioning block, which engages with the surface of the mounting bracket. Mounting blocks are symmetrically mounted on the surface of the dust cover, and the mounting blocks are connected to the mounting bracket by nails.

[0011] Preferably, the positioning and assembly mechanism consists of a positioning groove, a positioning block, an assembly slot, an assembly block, assembly screws, and a fixing block. The bearing surface is fitted with a positioning block, and the inner wall of the mounting bracket is provided with a positioning groove for sliding cooperation with the positioning block.

[0012] Preferably, the surface of the positioning block is equipped with an assembly clip, the inner wall of the mounting frame is provided with an assembly slot for engaging with the positioning groove, and the inner wall of the mounting frame is equipped with a fixing block, which is connected to the bearing by an assembly screw.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the support structure for automotive motor gears not only enables the bearing to be positioned and assembled inside the mounting bracket during use, resulting in better support of the gear body, but also makes it easier for users to lubricate the bearing, reducing wear when the gear shaft rotates inside the bearing and extending its service life. Furthermore, it reduces noise for both the gear body and the gear shaft, and minimizes dust entering the bearing and causing jamming, thus enhancing the practicality of the support structure.

[0014] 1. With the positioning and assembly mechanism, the user aligns the positioning block with the positioning groove, and then pushes the bearing, causing the bearing to move the positioning block inside the positioning groove. With the cooperation of the positioning groove and the positioning block, the bearing is guided. When the bearing moves to the required position, the assembly clip on the surface of the positioning block will automatically engage with the inside of the assembly clip groove. The engagement of the assembly clip groove and the assembly clip will initially fix the position of the bearing. The user then tightens the assembly screws on the surface of the fixing block, and the bearing is installed inside the mounting bracket under the action of the assembly screws. This realizes the function of positioning and assembling the bearing in the support structure, so that the bearing can be positioned and assembled inside the mounting bracket when the support structure is in use, making the support structure support the gear body better.

[0015] 2. With a convenient lubrication mechanism, the user can pull the handle upwards to move the sealing plug. The sealing plug moves the rubber ring away from the inner wall of the lubrication port, allowing lubricating oil to be injected into the bearing through the lubrication port, lubricating the bearing and gear shaft. After lubrication, the user can reset the sealing plug and push it downwards to move the rubber ring until it contacts the inner wall of the lubrication port. The sealing plug and the rubber ring work together to seal the surface of the lubrication port, realizing the function of convenient lubrication of the support structure. This allows the user to easily lubricate the bearing during use, reducing wear on the gear shaft when it rotates inside the bearing, extending the service life of the gear shaft, and also reducing noise for the gear body and gear shaft.

[0016] 3. By incorporating a dustproof and shielding mechanism, the user places the dust cover onto the surface of the gear shaft, ensuring contact between the dust cover and the mounting bracket. The dust cover then engages with the positioning clip, locking it onto the corresponding mounting bracket surface. The rubber sealing gasket on the inner wall of the dust cover moves to contact the inner wall of the mounting bracket. The user then tightens the screws on the mounting block, securing the dust cover to the mounting bracket surface. The combined action of the dust cover and the rubber sealing gasket effectively shields the surfaces of the mounting bracket and bearing, preventing dust from entering the bearing and affecting the ball rotation. This achieves the dustproof and dust-proof function of the support structure, reducing the likelihood of dust entering the bearing and causing jamming during use, thus enhancing the practicality of the support structure. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the front cross-sectional structure of this utility model;

[0019] Figure 3 For the present utility model Figure 2 A magnified schematic diagram of the convenient oil injection mechanism;

[0020] Figure 4 For the present utility model Figure 2 Enlarged structural diagram of the middle shielding dustproof mechanism;

[0021] Figure 5 For the present utility model Figure 2 Enlarged structural diagram of the positioning assembly mechanism.

[0022] In the diagram: 1. Structural frame; 101. Support plate; 102. Mounting bracket; 103. Gear body; 104. Connecting end; 105. Automotive motor body; 106. Mounting stud; 107. Assembly rod; 108. Gear shaft; 109. Bolt; 110. Bearing; 111. Shaft; 112. Fastening screw; 113. Groove; 114. Ball bearing; 2. Convenient oil filling mechanism; 21. Sealing plug; 22. Handle; 23. Rubber ring; 24. Oil filling port; 3. Dustproof and shielding mechanism; 31. Dust cover; 32. Positioning block; 33. Mounting block; 34. Screw body; 35. Rubber sealing gasket; 4. Positioning and assembly mechanism; 41. Positioning groove; 42. Positioning block; 43. Assembly slot; 44. Assembly block; 45. Assembly screw; 46. Fixing block. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. In addition, the terms "first", "second", "third", "upper", "lower", "left", "right", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance. At the same time, in the description of the present utility model, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0024] The present invention provides a support structure for automotive motor gears, as shown in the following figure. Figure 1 and Figure 2 As shown, the structure includes a frame 1, with a support plate 101 mounted on its surface. Mounting studs 106 are threadedly connected to the support plate 101 and the surfaces on both sides of the frame 1. The bottom ends of the mounting studs 106 penetrate the frame 1 and the support plate 101 respectively, extending below them. A mounting bracket 102 is provided at the top of the frame 1, connected to the surface of the frame 1 by fastening pins 112. A gear body 103 is provided on one side of the frame 1, with a gear shaft 108 mounted on its center. A bearing 110 is located inside the mounting bracket 102, with one end of the gear shaft 108 penetrating the bearing 110 and extending to its outer edge. On the side, the inner wall of the bearing 110 is arrayed with multiple sets of roller grooves 113. Roller balls 114 are arranged inside the roller grooves 113. The roller balls 114 and the surface of the roller grooves 113 rotate and engage with each other. The surface of the roller balls 114 contacts the surface of the gear shaft 108. An automotive motor body 105 is arranged on one side of the structural frame 1. The output end of the automotive motor body 105 is mounted with a rotating shaft 111 through a coupling. One end of the rotating shaft 111 is fixed to the surface of one end of the gear shaft 108. A connecting end 104 is mounted on the surface of the other end of the gear shaft 108. An assembly rod 107 is arranged inside the connecting end 104. One end of the assembly rod 107 extends to the outside of the connecting end 104. The connecting end 104 and the assembly rod 107 are connected by bolts 109.

[0025] Furthermore, such as Figure 2 and Figure 3As shown, the mounting bracket 102 and the bearing 110 are provided with a convenient oiling mechanism 2. The convenient oiling mechanism 2 consists of a sealing plug 21, a handle 22, a rubber ring 23 and an oil inlet 24. Both the mounting bracket 102 and the bearing 110 are provided with oil inlets 24. The mounting bracket 102 is provided with a sealing plug 21 for sealing the surface of the oil inlet 24. The sealing plug 21 extends into the interior of the oil inlet 24. The surface of the sealing plug 21 is covered with a rubber ring 23 for sealing between the sealing plug 21 and the oil inlet 24. The rubber ring 23 is in close contact with the inner wall of the oil inlet 24. A handle 22 is installed on the surface of the top of the sealing plug 21.

[0026] In practice, the user pulls the handle 22 upwards, causing the handle 22 to move the sealing plug 21. The sealing plug 21 moves the rubber ring 23 away from the inner wall of the oil inlet 24, allowing lubricating oil to be injected into the bearing 110 through the oil inlet 24 to lubricate the bearing 110 and the gear shaft 108. After the oil is injected, the user resets the sealing plug 21 and pushes it downwards, causing the sealing plug 21 to move the rubber ring 23 to contact the inner wall of the oil inlet 24. Under the combined action of the sealing plug 21 and the rubber ring 23, the surface of the oil inlet 24 is sealed, thus realizing the function of convenient oil injection of the support structure.

[0027] Furthermore, such as Figure 2 and Figure 4 As shown, the surface of the mounting bracket 102 is provided with a dustproof mechanism 3. The dustproof mechanism 3 includes a dust cover 31, a positioning block 32, a mounting block 33, a nail body 34, and a rubber sealing gasket 35. The surface of the mounting bracket 102 is provided with a dust cover 31 for dustproofing the inside of the mounting bracket 102 and the bearing 110. The inner side of the dust cover 31 extends into the interior of the mounting bracket 102. The dust cover 31 is sleeved on the surface of the gear shaft 108. The inner wall of the dust cover 31 is provided with a rubber sealing gasket 35 for sealing between the mounting bracket 102 and the dust cover 31. The surface of the rubber sealing gasket 35 is in contact with the inner wall of the mounting bracket 102. The inner wall of the dust cover 31 is provided with a positioning block 32. The positioning block 32 is engaged with the surface of the mounting bracket 102. The surface of the dust cover 31 is symmetrically provided with mounting blocks 33. The mounting blocks 33 are connected to the mounting bracket 102 through the nail body 34.

[0028] During implementation, the user places the dust cover 31 onto the surface of the gear shaft 108, so that the surface of the dust cover 31 contacts the surface of the mounting bracket 102. At this time, the dust cover 31 drives the positioning block 32 to lock onto the corresponding surface of the mounting bracket 102. The rubber sealing gasket 35 on the inner wall of the dust cover 31 moves to contact the inner wall of the mounting bracket 102. The user tightens the nails 34 on the surface of the mounting block 33. Under the action of the nails 34, the dust cover 31 is installed on the surface of the mounting bracket 102. Under the combined action of the dust cover 31 and the rubber sealing gasket 35, the surfaces of the mounting bracket 102 and the bearing 110 are covered, preventing dust from entering the interior of the bearing 110 through the mounting bracket 102 and affecting the rotation of the ball 114, so as to realize the function of dust prevention and dust blocking of the support structure.

[0029] Furthermore, such as Figure 2 and Figure 5 As shown, the inner wall of the mounting bracket 102 and the surface of the bearing 110 are provided with a positioning assembly mechanism 4. The positioning assembly mechanism 4 consists of a positioning groove 41, a positioning block 42, an assembly slot 43, an assembly block 44, an assembly screw 45, and a fixing block 46. The positioning block 42 is installed on the surface of the bearing 110. The inner wall of the mounting bracket 102 is provided with a positioning groove 41 for sliding cooperation with the positioning block 42. The surface of the positioning block 42 is provided with an assembly block 44. The inner wall of the mounting bracket 102 is provided with an assembly slot 43 for interlocking with the positioning groove 41. The fixing block 46 is installed on the inner wall of the mounting bracket 102. The fixing block 46 is connected to the bearing 110 by an assembly screw 45.

[0030] During implementation, the user aligns the positioning block 42 with the positioning groove 41, and then pushes the bearing 110, causing the bearing 110 to drive the positioning block 42 to slide inside the positioning groove 41. With the joint cooperation of the positioning groove 41 and the positioning block 42, the bearing 110 is guided. When the bearing 110 moves to the required position, the mounting clip 44 on the surface of the positioning block 42 will automatically engage with the inside of the mounting slot 43. Under the engaging action of the mounting slot 43 and the mounting clip 44, the position of the bearing 110 can be initially fixed. Subsequently, the user tightens the mounting screws 45 on the surface of the fixing block 46. Under the action of the mounting screws 45, the bearing 110 is installed inside the mounting bracket 102, so as to realize the function of positioning and assembling the bearing 110 in the support structure.

[0031] Working principle: In use, first place the structural frame 1 in the designated position, then tighten the mounting studs 106 on the surface of the structural frame 1 and the support plate 101, and install the structural frame 1 and the support plate 101 in the designated position on the car. Before assembling the gear body 103, gear shaft 108 and mounting bracket 102, the user needs to assemble the bearing 110 inside the mounting bracket 102. The user aligns the positioning block 42 with the positioning groove 41, and then pushes the bearing 110, causing the bearing 110 to drive the positioning block 42 to slide inside the positioning groove 41. The positioning groove 41 and the positioning block 42 work together to guide the bearing 110. Under the action of the mounting block 42, when the bearing 110 moves to the required position, the mounting block 44 on the surface of the positioning block 42 will automatically engage with the inside of the mounting slot 43. Under the engaging action of the mounting slot 43 and the mounting block 44, the position of the bearing 110 can be initially fixed. Then, the user tightens the mounting screws 45 on the surface of the fixing block 46. Under the action of the mounting screws 45, the bearing 110 is installed inside the mounting bracket 102 to realize the function of positioning and assembling the bearing 110 in the support structure. This allows the support structure to position and assemble the bearing 110 inside the mounting bracket 102 when in use, so that the support structure can better support the gear body 103.

[0032] Subsequently, the user passes one end of the gear shaft 108 on the surface of the gear body 103 through the bearing 110, and then installs the surface of one end of the gear shaft 108 onto the surface of the rotating shaft 111. When the car motor body 105 is working, the car motor body 105 drives the rotating shaft 111 to rotate, thereby driving the gear shaft 108 to rotate inside the bearing 110. When the gear shaft 108 rotates, the gear shaft 108 drives the gear body 103 to rotate. The user then installs the assembly rod 107 onto the surface of the connecting end 104 by tightening the bolt 109. When the gear body 103 rotates, the gear body 103 can drive the connecting end 104 and the assembly rod 107 to rotate, assembling the gear body 103 and the gear shaft 108 onto the surface of the mounting bracket 102. When the gear shaft 108 rotates, the gear shaft 108 drives the ball 114 to rotate on the inner wall of the groove 113. Under the combined action of the ball 114 and the groove 113, the gear shaft 108 becomes more stable when rotating.

[0033] Subsequently, if the user needs to inject lubricating oil into the bearing 110, the user pulls the handle 22 upwards, causing the handle 22 to move the sealing plug 21. The sealing plug 21 moves the rubber ring 23 away from the inner wall of the oil inlet 24, allowing lubricating oil to be injected into the bearing 110 through the oil inlet 24, lubricating the bearing 110 and the gear shaft 108. After the oil is injected, the user resets the sealing plug 21 and pushes it downwards, causing the sealing plug 21 to move the rubber ring 23 to contact the inner wall of the oil inlet 24. Under the combined action of the sealing plug 21 and the rubber ring 23, the surface of the oil inlet 24 is sealed, thus realizing the function of convenient oil injection in the support structure. This allows the user to easily inject oil into the bearing 110 during use, reducing wear on the gear shaft 108 when it rotates inside the bearing 110, extending the service life of the gear shaft 108, and also reducing noise for the gear body 103 and the gear shaft 108.

[0034] Subsequently, the user places the dust cover 31 onto the surface of the gear shaft 108, so that the surface of the dust cover 31 contacts the surface of the mounting bracket 102. At this time, the dust cover 31 drives the positioning block 32 to lock onto the corresponding surface of the mounting bracket 102. The rubber sealing gasket 35 on the inner wall of the dust cover 31 moves to contact the inner wall of the mounting bracket 102. The user tightens the nails 34 on the surface of the mounting block 33. Under the action of the nails 34, the dust cover 31 is installed on the surface of the mounting bracket 102. Under the combined action of the dust cover 31 and the rubber sealing gasket 35, the surfaces of the mounting bracket 102 and the bearing 110 are covered, preventing dust from entering the interior of the bearing 110 through the mounting bracket 102 and affecting the rotation of the ball 114. This achieves the function of dust prevention and dust blocking of the support structure, thereby reducing the amount of dust entering the interior of the bearing 110 and causing the bearing 110 to jam during use. This makes the support structure more practical, and finally completes the use of the support structure.

[0035] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A support structure for the gears of an electric motor for a vehicle, comprising a structural frame (1), characterized in that: A support plate (101) is installed on the surface of the structural frame (1). A mounting bracket (102) is provided on the surface of the top position of the structural frame (1). The mounting bracket (102) is connected to the surface of the structural frame (1) by fastening nails (112). A gear body (103) is provided on one side of the structural frame (1). A gear shaft (108) is installed on the surface of the center position of the gear body (103). A bearing (110) is provided inside the mounting bracket (102). A convenient oiling mechanism (2) is provided on the surface of the mounting bracket (102) and the bearing (110). A dustproof mechanism (3) is provided on the surface of the mounting bracket (102). A positioning assembly mechanism (4) is provided on the inner wall of the mounting bracket (102) and the surface of the bearing (110).

2. The support structure for automotive motor gears according to claim 1, characterized in that: The support plate (101) is threadedly connected to the surfaces of both sides of the structural frame (1) by mounting studs (106). The bottom ends of the mounting studs (106) penetrate the structural frame (1) and the support plate (101) respectively and extend to the bottom of the structural frame (1) and the support plate (101). One end of the gear shaft (108) penetrates the bearing (110) and extends to the outside of the bearing (110). The inner wall of the bearing (110) has multiple sets of roller grooves (113). The inside of the roller grooves (113) is provided with balls (114). The balls (114) rotate and engage with the surfaces of the roller grooves (113). The surface of the gear shaft (108) is in contact with the surface of the gear shaft (108). A car motor body (105) is provided on one side of the structural frame (1). A rotating shaft (111) is installed at the output end of the car motor body (105) through a coupling. One end of the rotating shaft (111) is fixed to the surface of one end of the gear shaft (108). A connecting end (104) is installed on the surface of the other end of the gear shaft (108). An assembly rod (107) is provided inside the connecting end (104). One end of the assembly rod (107) extends to the outside of the connecting end (104). The connecting end (104) and the assembly rod (107) are connected by bolts (109).

3. The support structure for automotive motor gears according to claim 1, characterized in that: The convenient oil filling mechanism (2) consists of a sealing plug (21), a handle (22), a rubber ring (23) and an oil filling port (24). The mounting bracket (102) and the bearing (110) are both provided with oil filling ports (24) for oil inlet. The mounting bracket (102) is provided with a sealing plug (21) for sealing the surface of the oil filling port (24). The sealing plug (21) extends into the interior of the oil filling port (24).

4. A support structure for automotive motor gears according to claim 3, characterized in that: The surface of the sealing plug (21) is covered with a rubber ring (23) for sealing between the sealing plug (21) and the oil inlet (24). The rubber ring (23) is in close contact with the inner wall of the oil inlet (24). A handle (22) is installed on the surface of the top of the sealing plug (21).

5. A support structure for automotive motor gears according to claim 1, characterized in that: The dustproof mechanism (3) includes a dust cover (31), a positioning block (32), a mounting block (33), a nail body (34), and a rubber sealing gasket (35). The surface of the mounting frame (102) is provided with a dust cover (31) for dustproofing the inside of the mounting frame (102) and the bearing (110). The inner side of the dust cover (31) extends into the interior of the mounting frame (102). The dust cover (31) is fitted onto the surface of the gear shaft (108). The inner wall of the dust cover (31) is provided with a rubber sealing gasket (35) for sealing between the mounting frame (102) and the dust cover (31). The surface of the rubber sealing gasket (35) is in contact with the inner wall of the mounting frame (102).

6. A support structure for automotive motor gears according to claim 5, characterized in that: The inner wall of the dust cover (31) is equipped with a positioning block (32), which engages with the surface of the mounting bracket (102). Mounting blocks (33) are symmetrically mounted on the surface of the dust cover (31), and the mounting blocks (33) are connected to the mounting bracket (102) by nails (34).

7. A support structure for automotive motor gears according to claim 1, characterized in that: The positioning and assembly mechanism (4) consists of a positioning groove (41), a positioning block (42), an assembly slot (43), an assembly block (44), an assembly screw (45), and a fixing block (46). The bearing (110) is mounted with a positioning block (42), and the inner wall of the mounting bracket (102) is provided with a positioning groove (41) for sliding cooperation with the positioning block (42).

8. A support structure for automotive motor gears according to claim 7, characterized in that: The surface of the positioning block (42) is equipped with an assembly clip (44), and the inner wall of the mounting bracket (102) is provided with an assembly clip groove (43) for engaging with the positioning groove (41). The inner wall of the mounting bracket (102) is equipped with a fixing block (46), and the fixing block (46) is connected to the bearing (110) by an assembly screw (45).

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