Speed reducer, driving assembly and vehicle

Abstract

The speed reducer is used for the driving assembly and comprises a first box body, a second box body and an oil baffle plate, the first box body comprises a first oil receiving rib, the second box body is in butt joint with the first box body, the second box body comprises a second oil receiving rib, and a gap is formed between the second oil receiving rib and the first oil receiving rib. The oil baffle plate is arranged in the gap and used for preventing lubricating oil in the second box body from flowing into the first box body through the gap, the oil baffle plate, the first oil receiving rib and the second oil receiving rib define an oil collecting groove, and therefore the problem that the lubricating oil flows back through the gap is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a reducer, a drive assembly and a vehicle. Background Art

[0002] The reducer is an important part of the vehicle. The lubricating oil inside the reducer can lubricate and cool the reducer. The use condition of the lubricating oil has an important impact on the service life and safety of the vehicle.

[0003] In order to lubricate the bearings, oil collecting ribs are usually provided on the front box and the rear box respectively. After splicing, the oil collecting ribs of the front box and the oil collecting ribs of the rear box are spliced ​​to form an oil collecting groove to collect the splashed lubricating oil and guide it to the bearings.

[0004] In the prior art, in order to ensure the strength of the front box or the rear box, the oil collecting ribs may not be aligned, resulting in a gap between the front box body oil collecting ribs and the rear box body oil collecting ribs, causing part of the lubricating oil to fall back into the box body from the gap, affecting the oil collection effect. Utility Model Content

[0005] The utility model aims to provide a speed reducer, a driving assembly and a vehicle, which can solve the problem of lubricating oil flowing back through the gap.

[0006] In order to achieve the purpose of the utility model, the utility model provides the following technical solutions:

[0007] In the first aspect, the utility model provides a reducer, comprising: a first housing, comprising a first oil receiving rib; a second housing, docked with the first housing, the second housing comprising a second oil receiving rib, a gap being provided between the second oil receiving rib and the first oil receiving rib; an oil baffle, arranged in the gap and used to prevent the lubricating oil in the second housing from flowing into the first housing through the gap, the oil baffle, the first oil receiving rib and the second oil receiving rib forming an oil collecting tank.

[0008] In one embodiment, the oil baffle plate includes a main body plate and a clamping plate connected to each other, the main body plate is arranged in the gap, and the clamping plate has a main clamping groove, and the main clamping groove is clamped with the second oil receiving rib.

[0009] In one embodiment, the main body plate includes a first surface and a second surface opposite to each other, and a side surface connecting the first surface and the second surface, the card plate includes a first plate, a second plate and a connecting plate, the first plate is connected to the side surface of the main body plate and protrudes from the first surface, the connecting plate is connected to the surface of the first plate facing away from the main body plate, the connecting plate includes a third surface and a fourth surface opposite to each other, the third surface is oriented in the same direction as the first surface, the fourth surface is oriented in the same direction as the second surface, the second plate is connected to the third surface and has a spacing distance from the first plate, and the main card slot is formed between the first plate and the second plate.

[0010] In one embodiment, the first plate is a bent plate, the first plate includes a first sub-plate, a second sub-plate and a third sub-plate connected in sequence, the second plate is a bent plate, the second plate includes a fourth sub-plate and a fifth sub-plate connected, the first sub-plate is parallel to the fourth sub-plate, and the second sub-plate is parallel to the fifth sub-plate.

[0011] In one implementation, the first sub-plate, the third sub-plate, and the fourth sub-plate are flat plates, and the second sub-plate and the fifth sub-plate are arc-shaped plates.

[0012] In one embodiment, the oil baffle plate also includes a mating plate, which is connected to the third surface and has a spacing distance with the first plate to form a secondary slot, the secondary slot is connected to the main slot and is clamped with the second oil receiving rib, and the mating plate has a spacing distance with the second plate.

[0013] In one embodiment, the clamping plate and the main body plate are an integrated structure.

[0014] In one embodiment, the reducer has a bearing chamber, and the first oil receiving ribs, the second oil receiving ribs and the oil baffle plate are all arranged alternately with the bearing chamber.

[0015] In a second aspect, the utility model further provides a drive assembly, comprising the reducer as described in the first aspect.

[0016] In a third aspect, the utility model further provides a vehicle, comprising the drive assembly as described in the second aspect.

[0017] By setting a first box body, a second box body and an oil baffle plate, the first box body includes a first oil receiving rib, the second box body is docked with the first box body, the second box body includes a second oil receiving rib, there is a gap between the second oil receiving rib and the first oil receiving rib, the oil baffle plate is arranged in the gap and is used to prevent the lubricating oil in the second box body from flowing into the first box body through the gap, and the oil baffle plate, the first oil receiving rib and the second oil receiving rib form an oil collecting tank. There is a gap between the second oil receiving rib and the first oil receiving rib, and since the oil baffle plate is arranged in the gap, the oil baffle plate prevents the lubricating oil in the second box body from flowing into the first box body through the gap, thereby solving the problem of lubricating oil reflux through the gap. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 is a schematic structural diagram of an oil baffle plate of an embodiment;

[0020] Figure 2 is a left side view of an oil baffle plate of an embodiment;

[0021] Figure 3 is a right side view of an oil baffle plate of an embodiment;

[0022] Figure 4 is a first structural schematic diagram of a reducer according to an embodiment;

[0023] Figure 5 is a second structural schematic diagram of a reducer according to an embodiment;

[0024] Figure 6 is a first cross-sectional view of a reducer of an embodiment;

[0025] Figure 7 is a second cross-sectional view of a reducer of an embodiment;

[0026] Figure 8 is a third cross-sectional view of a reducer of an embodiment;

[0027] Fig. 9 This is a fourth cross-sectional view of a reducer according to an embodiment of the present invention.

[0028] Description of reference numerals:

[0029] 10-oil baffle, 11-main plate, 111-first surface, 112-second surface, 12-clip plate, 121-main slot, 122-second slot, 123-first plate, 1231-first sub-plate, 1232-second sub-plate, 1233-third sub-plate, 124-second plate, 1241-fourth sub-plate, 1242-fifth sub-plate, 125-third plate, 126-connecting plate, 127-third surface, 128-third Four surfaces, 129-matching plate, 1291-secondary slot, 20-first box, 201-first shell, 202-first guide plate, 203-first baffle, 204-first groove, 21-second box, 211-second oil receiving rib, 212-second shell, 213-second guide plate, 214-second baffle, 215-third baffle, 216-second groove, 30-reducer, 31-bearing oil guide groove, 32-first oil receiving rib. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0032] Unless otherwise defined, all technical and scientific terms used in this utility model have the same meaning as those commonly understood by technicians in the technical field of this utility model. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this utility model includes any and all combinations of one or more related listed items.

[0033] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0034] The utility model embodiment provides a reducer 30, see Figure 1 , Figure 2 , Figure 3 and Figure 4, including a first box body 20, a first oil receiving rib 32, a second box body 21, a second oil receiving rib 211, an oil baffle plate 10, a main body plate 11 and a clamping plate 12.

[0035] The first box body 20 includes a first oil receiving rib 32 .

[0036] The second box body 21 is connected to the first box body 20 . The second box body 21 includes a second oil receiving rib 211 . There is a gap between the second oil receiving rib 211 and the first oil receiving rib 32 .

[0037] The oil baffle plate 10 is disposed in the gap and is used to prevent the lubricating oil in the second box body 21 from flowing into the first box body 20 through the gap. The oil baffle plate 10, the first oil receiving rib 32 and the second oil receiving rib 211 form an oil collecting groove.

[0038] Optionally, the material of the oil baffle plate 10 may be a rubber material. The material of the oil baffle plate 10 may specifically be but is not limited to natural rubber, silicone rubber, nitrile rubber, chloroprene rubber, fluororubber, EPDM rubber, polyurethane rubber, epichlorohydrin rubber and acrylic rubber, etc. The oil baffle plate 10 made of rubber material has a simple structure and is easy to process.

[0039] By setting the first box body 20, the second box body 21 and the oil baffle plate 10, the first box body 20 includes a first oil receiving rib 32, the second box body 21 is connected to the first box body 20, the second box body 21 includes a second oil receiving rib 211, the second oil receiving rib 211 is opposite to the first oil receiving rib 32 and has a gap, the oil baffle plate 10 is set in the gap and is used to prevent the lubricating oil in the second box body 21 from flowing into the first box body 20 through the gap, and the oil baffle plate 10, the first oil receiving rib 32 and the second oil receiving rib 211 form an oil collecting tank. There is a gap between the second oil receiving rib 211 and the first oil receiving rib 32. Since the oil baffle plate 10 is set in the gap, the oil baffle plate 10 prevents the lubricating oil in the second box body 21 from flowing into the first box body 20 through the gap, thereby solving the problem of lubricating oil reflux through the gap.

[0040] In one embodiment, see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The oil baffle plate 10 includes a main body plate 11 and a clamping plate 12 connected to each other. The main body plate 11 is arranged in the gap. The clamping plate 12 has a main clamping groove 121, and the main clamping groove 121 is clamped with the second oil receiving rib 211.

[0041] The shape of the main body plate 11 is a polygon. Optionally, the shape of the main body plate 11 may be, but is not limited to, a pentagon, a hexagon, an octagon, or the like.

[0042] Specifically, the clamping plate 12 is connected to the side surface of the main plate 11 , and the main clamping slot 121 and the first surface 111 are oriented in the same direction.

[0043] Specifically, the orientation of the first surface 111 refers to the normal direction of the first surface 111 .

[0044] Optionally, the first surface 111 and the second surface 112 are polished, and the polishing method may be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, etc.

[0045] Optionally, the third surface 127 and the fourth surface 128 are polished, and the polishing method may be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, etc.

[0046] Specifically, the arrangement of the clamping plate 12 and the main clamping groove 121 improves the stability of the connection between the oil baffle plate 10 and the second oil receiving rib 211 .

[0047] In one embodiment, see Figure 1 , Figure 2 and Figure 3 The main body plate 11 includes a first surface 111 and a second surface 112 facing each other, and a side surface connecting the first surface 111 and the second surface 112. The card plate 12 includes a first plate 123, a second plate 124 and a connecting plate 126. The first plate 123 is connected to the side surface of the main body plate 11 and protrudes from the first surface 111. The connecting plate 126 connects the surface of the first plate 123 facing away from the main body plate 11. The connecting plate 126 includes a third surface 127 and a fourth surface 128 facing each other. The third surface 127 is oriented in the same direction as the first surface 111, and the fourth surface 128 is oriented in the same direction as the second surface 112. The second plate 124 is connected to the third surface 127 and has a spacing distance from the first plate 123. A main card slot 121 is formed between the first plate 123 and the second plate 124.

[0048] Specifically, the first plate 123 protrudes from the second surface 112 .

[0049] Optionally, the clamping plate further includes a third plate 125 , which is connected to the fourth surface 128 and is spaced apart from the first plate 123 to form a second clamping groove 122 .

[0050] Optionally, the third plate 125 can strengthen the structural strength of the oil baffle plate 10 , and the second slot 122 can be configured to be engaged with a part of the reducer 30 when necessary.

[0051] Optionally, the first plate 123 is connected to the side of the main plate 11 by a key connection.

[0052] Optionally, the first plate 123 protrudes from the first surface 111 and the second surface 112 by a distance of 5 mm to 15 mm.

[0053] Optionally, the distance that the first plate 123 protrudes from the first surface 111 and the second surface 112 may be, but is not limited to, 5 mm, 6 mm, 8 mm, 10 mm, 15 mm, etc.

[0054] Optionally, the second plate 124 is connected to the third surface 127 and has a spacing distance of 5 mm to 50 mm from the first plate 123 .

[0055] Optionally, the second plate 124 is connected to the third surface 127 and the distance from the first plate 123 may be, but is not limited to, 5 mm, 10 mm, 15 mm, 20 mm, 25 mm and 50 mm.

[0056] Optionally, the third plate 125 is connected to the fourth surface 128 and has a spacing distance of 5 mm to 50 mm from the first plate 123 .

[0057] Optionally, the third plate 125 is connected to the fourth surface 128 and the distance from the first plate 123 may be, but is not limited to, 5 mm, 10 mm, 15 mm, 20 mm, 25 mm and 50 mm.

[0058] Specifically, the above-mentioned arrangement of the clamping plate 12 and the connecting plate 126 improves the stability of the connection between the oil baffle plate 10 and the second oil receiving rib 211 .

[0059] In one embodiment, see Figure 1 , Figure 2 and Figure 3 The first plate 123 is a bent plate, and the first plate 123 includes a first sub-plate 1231, a second sub-plate 1232 and a third sub-plate 1233 connected in sequence. The second plate 124 is a bent plate, and the second plate 124 includes a fourth sub-plate 1241 and a fifth sub-plate 1242 connected to each other. The first sub-plate 1231 and the fourth sub-plate 1241 are parallel, and the second sub-plate 1232 and the fifth sub-plate 1242 are parallel.

[0060] Optionally, the first sub-board 1231 , the second sub-board 1232 and the third sub-board 1233 are connected to each other by key connection.

[0061] Optionally, the fourth sub-board 1241 and the fifth sub-board 1242 are connected to each other by key connection.

[0062] Specifically, the above-mentioned arrangement of the first sub-plate 1231 , the second sub-plate 1232 , the third sub-plate 1233 , the fourth sub-plate 1241 and the fifth sub-plate 1242 improves the stability of the connection between the oil baffle plate 10 and the second oil receiving rib 211 .

[0063] In one embodiment, the first sub-plate 1231 , the third sub-plate 1233 , and the fourth sub-plate 1241 are flat plates, and the second sub-plate 1232 and the fifth sub-plate 1242 are arc-shaped plates.

[0064] Optionally, the material of the first sub-board 1231 , the third sub-board 1233 , the fourth sub-board 1241 , the second sub-board 1232 and the fifth sub-board 1242 is elastic rubber.

[0065] Optionally, the materials of the first sub-board 1231, the third sub-board 1233, the fourth sub-board 1241, the second sub-board 1232 and the fifth sub-board 1242 can be but are not limited to natural rubber, silicone rubber, nitrile rubber, chloroprene rubber, fluororubber, EPDM rubber, polyurethane rubber, epichlorohydrin rubber and acrylic rubber.

[0066] Specifically, the above-mentioned arrangement of the first sub-plate 1231 , the second sub-plate 1232 , the third sub-plate 1233 , the fourth sub-plate 1241 and the fifth sub-plate 1242 improves the fit between the oil baffle plate 10 and the second oil receiving rib 211 .

[0067] Optional, see Figure 1 , Figure 2 , Figure 3 and Figure 7 The third board 125 is arranged parallel to and opposite to the first sub-board 1231 .

[0068] In one embodiment, see Figure 1 , Figure 2 and Figure 3 The oil baffle plate 10 also includes a matching plate 129, which is connected to the third surface 127 and has a spacing distance with the first plate 123 to form a secondary slot 1291, the secondary slot 1291 is connected to the main slot 121 and is clamped with the second oil receiving rib 211, and the matching plate 129 has a spacing distance with the second plate 124.

[0069] Optionally, the matching plate 129 is connected to the third surface 127 and has a spacing distance of 5 mm to 50 mm from the first plate 123 .

[0070] Optionally, the distance between the mating plate 129 connected to the third surface 127 and the first plate 123 may be, but is not limited to, 5 mm, 10 mm, 15 mm, 20 mm, 25 mm, and 50 mm.

[0071] Optionally, the matching plate 129 and the second plate 124 have a spacing distance of 5 mm to 50 mm.

[0072] Optionally, the distance between the matching plate 129 and the second plate 124 may be, but is not limited to, 5 mm, 10 mm, 15 mm, 20 mm, 25 mm and 50 mm.

[0073] Specifically, the auxiliary slot 1291 and the second oil receiving rib 211 are engaged with each other, and the above-mentioned arrangement of the matching plate 129 and the auxiliary slot 1291 improves the stability of the connection between the oil baffle plate 10 and the second oil receiving rib 211.

[0074] In one embodiment, the clamping plate 12 and the main plate 11 are an integrated structure.

[0075] Specifically, the clamping plate 12 and the main body plate 11 may be integrally stamped or cast. The integral structure of the clamping plate 12 and the main body plate 11 improves the strength of the oil baffle plate 10 .

[0076] In one embodiment, the reducer 30 has a bearing chamber, and the first oil receiving ribs 32, the second oil receiving ribs 211 and the oil baffle plate 10 are all arranged alternately with the bearing chamber.

[0077] Specifically, the above arrangement avoids collision between the first oil receiving rib 32, the second oil receiving rib 211, the oil baffle plate 10 and the bearing chamber components.

[0078] In one embodiment, optionally, the first box body 20 also includes a first shell 201, which is connected to the first oil receiving rib 32 and encloses the first groove 204, and the second box body 21 also includes a second shell 212, which is connected to the second oil receiving rib 211 and encloses the second groove 216, and the first groove 204 is connected to the second groove 216.

[0079] Optionally, the first box body 20 and the second box body 21 may be connected by bolts and nuts, riveted connection, welding connection, etc.

[0080] Optionally, the second box body 21 and the second oil receiving rib 211 may be connected by key connection, riveting connection, welding connection, etc.

[0081] Optional, see Figure 1 , Figure 2 , Figure 3 and Figure 4The first oil receiving rib 32 includes a first guide plate 202 and a first baffle 203, which are both connected to the first shell 201 and enclose the first groove 204. The second oil receiving rib 211 includes a second guide plate 213, a second baffle 214 and a third baffle 215, which are both connected to the second shell 212 and enclose the second groove 216. The first groove 204 is communicated with the second groove 216, and the lubricating oil in the reducer 30 can flow from the first groove 204 to the second groove 216. The first guide plate 202 and the second guide plate 213 are connected, and the oil baffle plate 10 is clamped and fixed to the second guide plate 213, the second baffle plate 214 and the third baffle plate 215. The oil baffle plate 10 is arranged in the gap between the first baffle 203 and the second baffle 214 and the third baffle 215.

[0082] Specifically, the second guide plate 213 is closely attached to the first sub-plate 1231, the second baffle plate 214 is closely attached to the second sub-plate 1232, and the third baffle plate 215 is closely attached to the third sub-plate 1233. Specifically, the main card slot 121 is connected to the second guide plate 213 and the second baffle plate 214, and the third baffle plate 215 is connected to the auxiliary card slot 1291.

[0083] Specifically, after the reducer 30 starts to operate, the lubricating oil is stirred up by the differential gear, which is a helical gear. The lubricating oil moves with the differential gear and hits the first baffle 203 , and the lubricating oil flows to the first groove 204 under the action of gravity.

[0084] Optionally, the lubricating oil in the reducer 30 is used to flow from the first groove 204 to the second groove 216, and then from the second groove 216 to the bearing oil guide groove 31. The lubricating oil flows to the input shaft bearing cavity and the output shaft bearing cavity at the bottom of the bearing oil guide groove 31, respectively, to lubricate and cool the bearings and oil seals of the input shaft and the output shaft.

[0085] Optionally, the first guide plate 202 is connected to the first shell 201 by key connection, riveting connection, welding connection, etc. Optionally, the first baffle plate 203 is connected to the first shell 201 by key connection, riveting connection, welding connection, etc. Optionally, the second guide plate 213 is connected to the second shell 212 by key connection, riveting connection, welding connection, etc. Optionally, the second baffle plate 214 is connected to the second shell 212 by key connection, riveting connection, welding connection, etc. Optionally, the third baffle plate 215 is connected to the second shell 212 by key connection, riveting connection, welding connection, etc. Optionally, the materials of the first shell 201, the first guide plate 202, the first baffle plate 203, the second shell 212, the second guide plate 213, the second baffle plate 214 and the third baffle plate 215 are metal materials and alloy materials.

[0086] Optionally, the first guide plate 202 and the first shell 201 are both made of metal materials, and the first guide plate 202 and the first shell 201 are connected by brazing, and a metal material with a lower melting point than the first guide plate 202 and the first shell 201 is used as a brazing material, and the first guide plate 202, the first shell 201 and the brazing material are heated to a temperature higher than the melting point of the brazing material and lower than the melting points of the first guide plate 202 and the first shell 201, and the first guide plate 202 and the first shell 201 are wetted with liquid brazing material, the interface gap is filled, and mutual diffusion of atoms with the first guide plate 202 and the first shell 201 is achieved, thereby achieving welding, and the welding connection method is simple to operate and the connection is stable. The utility model is illustrated by taking brazing as an example of the connection method, which should not be understood as a limitation of the utility model.

[0087] Optionally, the first baffle 203 and the first shell 201 are both made of metal materials, and the first baffle 203 and the first shell 201 are connected by brazing, using a metal material with a lower melting point than the first baffle 203 and the first shell 201 as the brazing material.

[0088] Optionally, the second guide plate 213 and the second shell 212 are both made of metal materials, and the second guide plate 213 and the second shell 212 are connected by brazing, using a metal material with a lower melting point than the second guide plate 213 and the second shell 212 as the brazing material.

[0089] Optionally, the second baffle 214 and the second shell 212 are both made of metal materials, and the second baffle 214 and the second shell 212 are connected by brazing, using a metal material with a lower melting point than the second baffle 214 and the second shell 212 as the brazing material.

[0090] Optionally, the third baffle 215 and the second shell 212 are both made of metal materials, and the third baffle 215 and the second shell 212 are connected by brazing, using a metal material with a lower melting point than the third baffle 215 and the second shell 212 as the brazing material.

[0091] The embodiment of the utility model further provides a driving assembly, including the aforementioned reducer 30 .

[0092] The utility model also provides a vehicle, see Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 , including the aforementioned drive assembly.

[0093] Optionally, the vehicle can be divided into a micro car, a light car, a mid-size car and a high-end car according to the displacement of the engine, and the vehicle has a drive assembly including the above-mentioned embodiment.

[0094] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship of terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientation or positional relationship of the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0095] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the present invention still fall within the scope covered by the present invention.

Claims

1. A reducer, characterized in that: include: The first box body includes a first oil receiving rib; a second box body, docked with the first box body, the second box body comprising a second oil receiving rib, and a gap is provided between the second oil receiving rib and the first oil receiving rib; An oil baffle is arranged in the gap and is used to prevent the lubricating oil in the second box from flowing into the first box through the gap. The oil baffle, the first oil receiving rib and the second oil receiving rib form an oil collecting tank.

2. The reducer according to claim 1, characterized in that: The oil baffle plate comprises a main body plate and a clamping plate connected to each other. The main body plate is arranged in the gap. The clamping plate has a main clamping groove, and the main clamping groove is clamped with the second oil receiving rib.

3. The reducer according to claim 2, characterized in that: The main body plate includes a first surface and a second surface opposite to each other, and a side surface connecting the first surface and the second surface. The card plate includes a first plate, a second plate and a connecting plate. The first plate is connected to the side surface of the main body plate and protrudes from the first surface. The connecting plate connects the surface of the first plate facing away from the main body plate. The connecting plate includes a third surface and a fourth surface opposite to each other. The third surface is oriented in the same direction as the first surface, and the fourth surface is oriented in the same direction as the second surface. The second plate is connected to the third surface and has a spacing distance from the first plate. The main card slot is formed between the first plate and the second plate.

4. The reducer according to claim 3, characterized in that: The first plate is a bent plate, the first plate includes a first sub-plate, a second sub-plate and a third sub-plate connected in sequence, the second plate is a bent plate, the second plate includes a fourth sub-plate and a fifth sub-plate connected, the first sub-plate is parallel to the fourth sub-plate, and the second sub-plate is parallel to the fifth sub-plate.

5. The reducer according to claim 4, characterized in that: The first sub-board, the third sub-board and the fourth sub-board are flat boards, and the second sub-board and the fifth sub-board are arc-shaped boards.

6. The reducer according to claim 3, characterized in that: The oil baffle plate also includes a matching plate, which is connected to the third surface and has a spacing distance with the first plate to form a secondary slot, the secondary slot is connected to the main slot and is clamped with the second oil receiving rib, and the matching plate has a spacing distance with the second plate.

7. The reducer according to claim 2, characterized in that: The clamping plate and the main body plate are an integrated structure.

8. The reducer according to claim 1, characterized in that: The reducer has a bearing chamber, and the first oil receiving ribs, the second oil receiving ribs and the oil baffle plate are all arranged alternately with the bearing chamber.

9. A drive assembly, characterized in that: Comprising the reducer as claimed in any one of claims 1 to 8.

10. A vehicle, characterized in that: Comprising the drive assembly as claimed in claim 9.

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