Hub reduction gear with reinforcing structure

Abstract

The utility model discloses a hub reduction gear with a reinforcing structure, which belongs to the technical field of hub reduction gears and is characterized by comprising a shell, a spindle arranged on the shell, a connecting frame fixedly connected to the bottom of the shell, a spring washer arranged at the bottom of the connecting frame, and a shell arranged at the bottom of the spring washer. An oil nozzle is arranged at the bottom of the shell, a reinforcing mechanism is arranged on the surface of the shell, a sealing mechanism is arranged at the top of the shell, and eight bolts are arranged in the connector, the spring gasket and the shell; the reinforcing mechanism comprises a fixing frame, a sealing sleeve, a first sealing gasket and a fixing plate, the top of the fixing frame extends to the surface of the shell and is in threaded connection with the surface of the shell, and the problems that an existing hub reduction gear is installed near a wheel and is prone to being affected and damaged by external environments such as dust and muddy water, and consequently a sealing piece and a lubricating nipple are possibly damaged are solved. And therefore, lubricating oil leakage is caused.

Description

Technical Field

[0001] This utility model relates to the field of wheel-side speed reducer technology, and in particular to a wheel-side speed reducer with a reinforced structure. Background Technology

[0002] A wheel-side speed reducer is a speed reduction device installed near the drive wheels of a vehicle.

[0003] During use, the driven tooth connected by the planetary gear is prone to wobbling, which leads to severe wear of the meshing grooves between the planetary gear and the driven tooth, resulting in a significant reduction in service life.

[0004] An existing patent (publication number: CN219866088U) discloses a wheel-side reducer, including a rotating shaft, an inner housing, and an outer housing. The rotating shaft and the inner housing are rotatably connected via bearings, and one end of the rotating shaft extends into the interior of the inner housing and is fixedly connected to a central gear. A shaft disc is fixedly connected to the inner side wall of the inner housing, and a planetary shaft is fixedly connected to the end of the shaft disc. A planetary gear is fixedly connected to the outer side of the planetary shaft, and the planetary gear meshes with the central gear. A planetary carrier is fitted into the inner side of the inner housing via an arc-shaped block, and the planetary carrier has shaft holes corresponding to the planetary shafts. This utility model, by setting the shaft disc, planetary carrier, and arc-shaped block structure, can stabilize the position of the planetary shaft, thereby stabilizing the planetary gears. This structure is compact, has tight transmission, and the wear between the planetary gears, the central gear, and the gear ring is relatively low, which can significantly increase the service life of the gears.

[0005] To address the aforementioned issues, existing patents offer solutions. However, these solutions have certain limitations in practice. Since the wheel-side reducer is installed near the wheel, it is easily affected and damaged by external environmental factors such as dust and mud, which may lead to damage to the seals and filler nozzles, resulting in lubricating oil leakage.

[0006] Therefore, a wheel-side reducer with a reinforced structure is proposed. Utility Model Content

[0007] The purpose of this utility model is to provide a wheel-side reducer with a reinforced structure, which can solve the problem that existing wheel-side reducers are easily affected and damaged by external environments such as dust and mud because they are installed near the wheel. This may lead to damage to the seals and oil filler, resulting in lubricating oil leakage.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a wheel-side reducer with a reinforced structure, comprising a housing, a main shaft disposed on the housing, a connecting frame fixedly connected to the bottom of the housing, a spring washer disposed at the bottom of the connecting frame, an outer shell disposed at the bottom of the spring washer, an oil nozzle disposed at the bottom of the outer shell, a reinforcing mechanism disposed on the surface of the outer shell, a sealing mechanism disposed at the top of the outer shell, and eight bolts disposed inside the connecting frame, the spring washer, and the outer shell.

[0009] The reinforcement mechanism includes a fixing frame, a sealing sleeve, a first sealing gasket, and a fixing plate. The top of the fixing frame extends to the surface of the outer shell and is threadedly connected to the surface of the outer shell. The surface of the sealing sleeve is threadedly connected to the inside of the fixing frame. The top of the sealing sleeve contacts the bottom of the outer shell. The bottom of the first sealing gasket is fixedly connected to the inside of the sealing sleeve. The top of the fixing plate is fixedly connected to the bottom of the sealing sleeve. The top of the fixing plate is in close contact with the bottom of the fixing frame.

[0010] Preferably, a limiting plate is provided on the top of the outer shell, and a sealing plug is fixedly connected to the bottom of the limiting plate, the surface of the sealing plug being in contact with the interior of the outer shell.

[0011] Preferably, the limiting plate has three limiting posts slidably connected inside, and the top of the limiting posts is fixedly connected to a limiting block.

[0012] Preferably, the surface of the limiting post is provided with a limiting spring, and the top and bottom of the limiting spring are respectively fixedly connected to the side opposite to the limiting block and the fixing plate.

[0013] Preferably, the surface of the nozzle is provided with a sealing ring, the surface of the sealing ring is in close contact with the inside of the housing, and the top of the first sealing gasket is in contact with the bottom of the nozzle.

[0014] Preferably, the bottom of the limiting post is fixedly connected to a connecting post, the bottom of the connecting post extending into the interior of the housing and threadedly connected to the interior of the housing.

[0015] Preferably, a second sealing gasket is fixedly connected inside the spring washer, and the top and bottom of the second sealing gasket are in close contact with the opposite sides of the connecting frame and the outer casing, respectively.

[0016] Preferably, the spring washer is internally fixedly connected to two limiting pins, the top and bottom of which contact the opposite side of the connecting frame and the outer shell, respectively.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This application enables the fixing frame to move the sealing sleeve to the surface of the housing for fixing, and the sealing sleeve is limited by the fixing plate, so that the fixing frame reinforces and protects the housing and the oil nozzle through the sealing sleeve;

[0019] 2. This application uses a tool to move to the inside of the housing and contact the bottom of the sealing plug, thereby moving the sealing plug away from the inside of the housing. This allows the sealing plug to move on the surface of the limiting post through the limiting plate, so that the limiting block limits the limiting spring, thereby canceling the sealing of the inside of the housing by the sealing plug. Attached Figure Description

[0020] Figure 1 This is an overall structural diagram of the wheel-side reducer with a reinforced structure according to this utility model;

[0021] Figure 2 This is a three-dimensional connection diagram of the connecting frame and the spring washer in this utility model;

[0022] Figure 3 This is a three-dimensional connection diagram of the outer shell and the oil nozzle in this utility model;

[0023] Figure 4 This is a three-dimensional connection diagram of the reinforcing mechanism in this utility model;

[0024] Figure 5 This is a three-dimensional connection diagram of the sealing mechanism in this utility model.

[0025] In the diagram, 1. Housing; 2. Connecting frame; 3. Reinforcing mechanism; 301. Fixing frame; 302. Sealing sleeve; 303. First sealing gasket; 304. Fixing plate; 4. Main shaft; 5. Connecting column; 6. Outer shell; 7. Spring washer; 8. Sealing mechanism; 801. Limiting plate; 802. Limiting block; 803. Limiting spring; 804. Sealing plug; 805. Limiting column; 9. Second sealing gasket; 10. Bolt; 11. Limiting pin; 12. Oil nozzle; 13. Sealing ring. Detailed Implementation

[0026] 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, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-5 The present invention provides the following technical solution:

[0028] A wheel-side reducer with a reinforced structure includes a housing 1, a main shaft 4 disposed on the housing 1, a connecting frame 2 fixedly connected to the bottom of the housing 1, a spring washer 7 disposed at the bottom of the connecting frame 2, an outer shell 6 disposed at the bottom of the spring washer 7, an oil nozzle 12 disposed at the bottom of the outer shell 6, a reinforcing mechanism 3 disposed on the surface of the outer shell 6, a sealing mechanism 8 disposed on the top of the outer shell 6, and eight bolts 10 disposed inside the connecting frame 6, the spring washer 7, and the outer shell 6.

[0029] The reinforcement mechanism 3 includes a fixing frame 301, a sealing sleeve 302, a first sealing gasket 303, and a fixing plate 304. The top of the fixing frame 301 extends to the surface of the housing 6 and is threadedly connected to the surface of the housing 6. The surface of the sealing sleeve 302 is threadedly connected to the inside of the fixing frame 301. The top of the sealing sleeve 302 contacts the bottom of the housing 6. The bottom of the first sealing gasket 303 is fixedly connected to the inside of the sealing sleeve 302. The top of the fixing plate 304 is fixedly connected to the bottom of the sealing sleeve 302. The top of the fixing plate 304 is in close contact with the bottom of the fixing frame 301.

[0030] In this embodiment: by placing the spring washer 7 on the opposite side of the connecting frame 2 and the outer shell 6 and fixing it with bolts 10, the spring washer 7 seals and buffers the opposite side of the connecting frame 2 and the outer shell 6, and the surface of the sealing sleeve 302 is connected to the internal thread of the fixing frame 301. Under the limitation of the fixing plate 304, the fixing frame 301 drives the sealing sleeve 302 to move to the surface of the outer shell 6 for fixing. Thus, the fixing frame 301 reinforces and protects the outer shell 6 and the oil nozzle 12 through the sealing sleeve 302, and the bottom of the first sealing gasket 303 is fixedly connected to the inside of the sealing sleeve 302, so that the sealing sleeve 302 can seal and protect the surface of the oil nozzle 12 through the first sealing gasket 303.

[0031] Specifically, such as Figure 3 , Figure 5 As shown, a limiting plate 801 is provided on the top of the outer casing 6, and a sealing plug 804 is fixedly connected to the bottom of the limiting plate 801. The surface of the sealing plug 804 is in contact with the inside of the outer casing 6.

[0032] Specifically, such as Figure 5 As shown, three limiting posts 805 are slidably connected inside the limiting plate 801, and a limiting block 802 is fixedly connected to the top of the limiting post 805.

[0033] Specifically, such as Figure 5 As shown, a limiting spring 803 is provided on the surface of the limiting post 805. The top and bottom of the limiting spring 803 are fixedly connected to the side opposite to the limiting block 802 and the fixing plate 304, respectively.

[0034] In this embodiment, by fixing the top and bottom of the limiting spring 803 to the opposite side of the limiting block 802 and the fixing plate 304 respectively, the fixing plate 304 can be conveniently limited by the limiting spring 803 to the sealing plug 804, thereby achieving the effect of auxiliary sealing of the inside of the outer shell 6.

[0035] Specifically, such as Figure 3 , Figure 4 As shown, a sealing ring 13 is provided on the surface of the oil nozzle 12. The surface of the sealing ring 13 is in close contact with the inside of the housing 6, and the top of the first sealing gasket 303 is in contact with the bottom of the oil nozzle 12.

[0036] Specifically, such as Figure 3 , Figure 5 As shown, the bottom of the limiting post 805 is fixedly connected to the connecting post 5, and the bottom of the connecting post 5 extends into the interior of the housing 6 and is threadedly connected to the interior of the housing 6.

[0037] In this embodiment, by connecting the surface of the connecting post 5 with the internal thread of the outer shell 6, the connecting post 5 can fix the limiting post 805, thus achieving the effect of fixing the limiting post 805.

[0038] Specifically, such as Figure 3 As shown, a second sealing gasket 9 is fixedly connected inside the spring washer 7, and the top and bottom of the second sealing gasket 9 are in close contact with the opposite sides of the connecting frame 2 and the outer casing 6, respectively.

[0039] Specifically, such as Figure 3 As shown, the spring washer 7 has two fixed pins 11 inside, and the top and bottom of the fixed pins 11 are in contact with the opposite side of the connecting frame 2 and the outer shell 6, respectively.

[0040] In this embodiment, by fixing the surface of the limiting pin 11 to the inside of the spring washer 7, the limiting pin 11 can be conveniently used to limit the spring washer 7, thus achieving the effect of limiting the spring washer 7.

[0041] Working principle: When reinforcing the surface of the outer casing 6, the spring washer 7 is placed on the opposite side of the connecting frame 2 and the outer casing 6 by the limiting pin 11 and fixed by the bolt 10. This allows the spring washer 7 to seal and buffer the opposite side of the connecting frame 2 and the outer casing 6, causing the fixing frame 301 to move the sealing sleeve 302 to the surface of the outer casing 6 for fixing. The sealing sleeve 302 is limited by the fixing plate 304, thus allowing the fixing frame 301 to reinforce and protect the outer casing 6 and the oil nozzle 12 through the sealing sleeve 302. The bottom of the first sealing gasket 303 is fixedly connected to the inside of the sealing sleeve 302, facilitating the sealing sleeve 302 to seal and protect the surface of the oil nozzle 12 through the sealing ring 13. When changing the engine oil, the fixing plate 304... The sealing sleeve 302 moves inside the housing 6, thereby causing the sealing sleeve 302 to move the first sealing gasket 303 to release the seal on the oil nozzle 12. Then, the oil nozzle 12 is removed and moved inside the housing 6 with a tool to contact the bottom of the sealing plug 804, thereby moving the sealing plug 804 away from the inside of the housing 6. The sealing plug 804 moves on the surface of the limiting post 805 through the limiting plate 801, so that the limiting block 802 limits the limiting spring 803, thereby releasing the seal of the sealing plug 804 on the inside of the housing 6. This makes it easier to change the engine oil and solves the problem that the existing wheel-side reducer is installed near the wheel and is easily affected and damaged by the external environment such as dust and mud, which may damage the seals and the oil nozzle 12 and cause lubricating oil leakage.

[0042] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wheel-side reducer with a reinforced structure, comprising a housing (1), wherein a main shaft (4) is disposed on the housing (1), characterized in that: The bottom of the housing (1) is fixedly connected to a connecting frame (2), the bottom of the connecting frame (2) is provided with a spring washer (7), the bottom of the spring washer (7) is provided with a shell (6), the bottom of the shell (6) is provided with an oil nozzle (12), the surface of the shell (6) is provided with a reinforcing mechanism (3), the top of the shell (6) is provided with a sealing mechanism (8), and the interior of the connecting frame, the spring washer (7) and the shell (6) are all provided with eight bolts (10); The reinforcement mechanism (3) includes a fixing frame (301), a sealing sleeve (302), a first sealing gasket (303), and a fixing plate (304). The top of the fixing frame (301) extends to the surface of the outer shell (6) and is threadedly connected to the surface of the outer shell (6). The surface of the sealing sleeve (302) is threadedly connected to the inside of the fixing frame (301). The top of the sealing sleeve (302) contacts the bottom of the outer shell (6). The bottom of the first sealing gasket (303) is fixedly connected to the inside of the sealing sleeve (302). The top of the fixing plate (304) is fixedly connected to the bottom of the sealing sleeve (302). The top of the fixing plate (304) is in close contact with the bottom of the fixing frame (301).

2. The wheel-side reducer with a reinforced structure according to claim 1, characterized in that: The top of the outer shell (6) is provided with a limiting plate (801), and the bottom of the limiting plate (801) is fixedly connected with a sealing plug (804). The surface of the sealing plug (804) is in contact with the inside of the outer shell (6).

3. A wheel-side reducer with a reinforced structure according to claim 2, characterized in that: The limiting plate (801) has three limiting posts (805) slidably connected inside, and the top of the limiting posts (805) is fixedly connected to a limiting block (802).

4. A wheel-side reducer with a reinforced structure according to claim 3, characterized in that: The surface of the limiting post (805) is provided with a limiting spring (803), and the top and bottom of the limiting spring (803) are fixedly connected to the opposite side of the limiting block (802) and the fixing plate (304), respectively.

5. A wheel-side reducer with a reinforced structure according to claim 1, characterized in that: The surface of the nozzle (12) is provided with a sealing ring (13), the surface of the sealing ring (13) is in close contact with the inside of the outer shell (6), and the top of the first sealing gasket (303) is in contact with the bottom of the nozzle (12).

6. A wheel-side reducer with a reinforced structure according to claim 3, characterized in that: The bottom of the limiting post (805) is fixedly connected to a connecting post (5), the bottom of the connecting post (5) extends into the interior of the outer shell (6) and is threadedly connected to the interior of the outer shell (6).

7. A wheel-side reducer with a reinforced structure according to claim 1, characterized in that: The spring washer (7) is fixedly connected to a second sealing gasket (9), the top and bottom of which are in close contact with the opposite sides of the connecting frame (2) and the outer shell (6), respectively.

8. A wheel-side reducer with a reinforced structure according to claim 1, characterized in that: The spring washer (7) is internally fixedly connected to two limiting pins (11), the top and bottom of which are in contact with the opposite side of the connecting frame (2) and the outer shell (6), respectively.

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