Combined sealing leakproof axle bearing oil seal structure

Abstract

The utility model provides a combined sealing leakproof axle bearing oil seal structure, which belongs to the technical field of axles and comprises a driving box, a protective plate is mounted on the outer side of the driving box, an input shaft is mounted in the protective plate, a driving gear is fixedly mounted on the outer side of the input shaft, a connecting gear is connected to the outer side of the driving gear in a meshed manner, and the connecting gear is connected to the outer side of the driving gear in a meshed manner. A linkage shaft is installed in the connecting gear, and a first gear is fixedly installed at one end of the linkage shaft. Through the arrangement of the sealing assembly, the barb-shaped hook teeth and the sealing cover are connected with the clamping groove in a clamped mode, the outer portion of the bearing is connected in a sealed mode, the connecting position of the bearing can be sealed and closed through the structure, and the situation that internal lubricating oil leaks is effectively prevented; by rotating the oil cover, the limiting block is rotated to the position of the limiting groove, the oil cover can be rapidly opened through the clamping type design, and a user can conveniently fill lubricating oil.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle axles, and in particular relates to a combined sealing and leak-proof vehicle axle bearing oil seal structure. Background Art

[0002] Axle bearings refer to bearings installed on automobile axles. Their main function is to support the wheels and reduce the friction between the wheels and the axle caused by rotation. Axle bearings can be divided into multiple types based on their structure and performance. Each type has its own specific application scenarios and performance characteristics.

[0003] At present, the traditional oil seal structure cannot seal the bearings at the joints well, which may easily lead to oil leakage and affect the operation of the device. In addition, it is inconvenient for users to add lubricating oil to the gear drive box during use, which may easily lead to the problem of internal meshing not being lubricated. Utility Model Content

[0004] The purpose of the utility model is to provide a combined sealing and leak-proof axle bearing oil seal structure, aiming to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A combined sealing and leak-proof axle bearing oil seal structure includes a drive box, a protective plate is installed on the outside of the drive box, an input shaft is installed inside the protective plate, a drive gear is fixedly installed on the outside of the input shaft, a connecting gear is meshed and connected on the outside of the drive gear, a linkage shaft is installed inside the connecting gear, and a first gear is fixedly installed on one end of the linkage shaft.

[0007] As a preferred solution of the present invention, the side surface of the first gear is meshedly connected with the second gear, an output shaft is installed inside the second gear, and a truss is provided on the outside of the output shaft.

[0008] As a preferred solution of the present invention, a sealing assembly is provided on the outside of the truss, and the sealing assembly includes a connecting plate, a small bearing, a sealing cover, hook teeth and a slot. The connecting plate is fixedly installed on the outside of the truss, and the small bearing is installed inside the connecting plate.

[0009] As a preferred solution of the present invention, the sealing cover is arranged on the outer side of the connecting plate, and the hook teeth are fixedly installed on the inner side of the sealing cover. The sealing cover and the hook teeth are both made of rubber. The card slot is opened inside the connecting plate and is adapted to the hook teeth. By using the hook teeth in the shape of an inverted hook and the sealing cover to engage with the card slot, the outside of the bearing is sealed. This structure can seal and close the connection of the bearing, effectively preventing leakage of internal lubricating oil.

[0010] As a preferred solution of the present invention, an oil filling assembly is provided on the top of the drive box, and the oil filling assembly includes a retaining ring, a ring groove, a limit groove, an oil cover, a retaining column and a limit block. The retaining ring is fixedly installed on the top of the drive box, and the ring groove is arranged inside the retaining ring.

[0011] As a preferred solution of the present invention, the limiting groove is provided on the surface of the snap ring, and the oil cover is installed on the outside of the snap ring.

[0012] As a preferred solution of the present invention, the clamping column is fixedly installed at the bottom of the oil cover, and the limit block is fixedly installed on the outside of the clamping column. By rotating the oil cover, the limit block is rotated to the position of the limit groove. Such a snap-fit ​​design allows the oil cover to be opened quickly and is also convenient for users to add lubricating oil.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] Through the setting of the sealing component, by using the hook-shaped hook teeth and the sealing cover to engage with the slot, the outside of the bearing is sealed. This structure can seal the connection of the bearing and effectively prevent the leakage of internal lubricating oil. Through the setting of the oil filling component, by rotating the oil cap, the limit block is rotated to the limit slot position. This locking design allows the oil cap to be opened quickly and is also convenient for users to add lubricating oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the sealing assembly of the present utility model;

[0019] Figure 4 This is a schematic diagram of the oil injection assembly of the utility model;

[0020] In the figure: 1. Drive box; 2. Protective plate; 3. Input shaft; 4. Drive gear; 5. Connecting gear; 6. Linkage shaft; 7. First gear; 8. Second gear; 9. Output shaft; 10. Truss; 11. Sealing assembly; 1101. Connecting plate; 1102. Small bearing; 1103. Sealing cover; 1104. Hook tooth; 1105. Slot; 12. Oil filling assembly; 1201. Snap ring; 1202. Ring groove; 1203. Limit groove; 1204. Oil cover; 1205. Column; 1206. Limit block. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0024] Example

[0025] Reference Figure 1-4 , which is the first embodiment of the utility model, provides a combined sealing and leak-proof axle bearing oil seal structure, including a drive box 1, a protective plate 2 is installed on the outside of the drive box 1, an input shaft 3 is installed inside the protective plate 2, a drive gear 4 is fixedly installed on the outside of the input shaft 3, a connecting gear 5 is meshed and connected on the outside of the drive gear 4, a linkage shaft 6 is installed inside the connecting gear 5, and a first gear 7 is fixedly installed on one end of the linkage shaft 6.

[0026] Specifically, the side surface of the first gear 7 is meshedly connected with the second gear 8 , an output shaft 9 is installed inside the second gear 8 , and a truss 10 is provided on the outside of the output shaft 9 .

[0027] Furthermore, the input shaft 3 drives the driving gear 4 and the connecting gear 5 to rotate, thereby causing the linkage shaft 6 to drive the first gear 7 and the second gear 8 to rotate, causing the output shaft 9 to operate.

[0028] Specifically, a sealing assembly 11 is provided on the outside of the truss 10. The sealing assembly 11 includes a connecting plate 1101, a small bearing 1102, a sealing cover 1103, a hook 1104 and a slot 1105. The connecting plate 1101 is fixedly installed on the outside of the truss 10, and the small bearing 1102 is installed inside the connecting plate 1101.

[0029] Furthermore, the output shaft 9 can be supported to rotate by the small bearing 1102 .

[0030] Specifically, the sealing cover 1103 is arranged on the outside of the connecting plate 1101, and the hook teeth 1104 are fixedly installed on the inside of the sealing cover 1103. The sealing cover 1103 and the hook teeth 1104 are both made of rubber, and the card slot 1105 is opened inside the connecting plate 1101 and adapted to the hook teeth 1104.

[0031] Furthermore, by using the hook-shaped hook teeth 1104 and the sealing cover 1103 to engage with the slot 1105, the outside of the bearing is sealed and connected. This structure can seal and close the connection of the bearing.

[0032] Specifically, an oil filling assembly 12 is provided on the top of the drive box 1. The oil filling assembly 12 includes a retaining ring 1201, an annular groove 1202, a limiting groove 1203, an oil cover 1204, a retaining column 1205 and a limiting block 1206. The retaining ring 1201 is fixedly installed on the top of the drive box 1, and the annular groove 1202 is arranged inside the retaining ring 1201.

[0033] Furthermore, the annular groove 1202 can support the clamping column 1205 to form a sealing mechanism.

[0034] Specifically, the limiting groove 1203 is provided on the surface of the snap ring 1201 , and the oil cover 1204 is installed on the outside of the snap ring 1201 .

[0035] Furthermore, by rotating the oil cover 1204 , the limiting block 1206 is rotated to the position of the limiting groove 1203 , so that the clamping column 1205 is separated from the annular groove 1202 .

[0036] Specifically, the clamping column 1205 is fixedly installed on the bottom of the oil cover 1204 , and the limiting block 1206 is fixedly installed on the outer side of the clamping column 1205 .

[0037] Furthermore, by rotating the limit block 1206 to the inside of the snap ring 1201, a fixing effect can be achieved.

[0038] When in use, first assemble the drive device with the input shaft 3, and the input shaft 3 drives the driving gear 4 and the connecting gear 5 to rotate, so that the linkage shaft 6 drives the first gear 7 and the second gear 8 to rotate, and the output shaft 9 is put into operation. By using the hook-shaped hook teeth 1104 and the sealing cover 1103 to engage with the card slot 1105, the outside of the bearing is sealed. This structure can seal and close the connection of the bearing, effectively preventing the leakage of internal lubricating oil. By rotating the oil cover 1204, the limit block 1206 is rotated to the position of the limit slot 1203, so that the card column 1205 is separated from the annular groove 1202. This locking design can enable the oil cover 1204 to be opened quickly, and it is also convenient for users to add lubricating oil.

[0039] To sum up: through the setting of the sealing component 11, by using the hook-shaped hook teeth 1104 and the sealing cover 1103 to engage with the slot 1105, the outside of the bearing is sealed. This structure can seal the connection of the bearing and effectively prevent the leakage of internal lubricating oil. Through the setting of the oil filling component 12, by rotating the oil cover 1204, the limit block 1206 is rotated to the position of the limit slot 1203. Such an engaging design can enable the oil cover 1204 to be opened quickly, and it is also convenient for users to add lubricating oil.

[0040] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without departing substantially from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0041] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0042] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.

[0043] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. Combined sealing and leakproof axle bearing oil seal structure, characterized by: The invention comprises a drive box (1), a protective plate (2) is installed on the outer side of the drive box (1), an input shaft (3) is installed inside the protective plate (2), a drive gear (4) is fixedly installed on the outer side of the input shaft (3), a connecting gear (5) is meshedly connected on the outer side of the drive gear (4), a linkage shaft (6) is installed inside the connecting gear (5), and a first gear (7) is fixedly installed on one end of the linkage shaft (6).

2. The combined sealing and leakproof axle bearing oil seal structure according to claim 1, characterized in that: The side surface of the first gear (7) is meshedly connected with a second gear (8), an output shaft (9) is installed inside the second gear (8), and a truss (10) is arranged on the outside of the output shaft (9).

3. The combined sealing and leakproof axle bearing oil seal structure according to claim 2, characterized in that: A sealing assembly (11) is arranged on the outer side of the truss (10), and the sealing assembly (11) comprises a connecting plate (1101), a small bearing (1102), a sealing cover (1103), hook teeth (1104) and a slot (1105); the connecting plate (1101) is fixedly mounted on the outer side of the truss (10), and the small bearing (1102) is mounted inside the connecting plate (1101).

4. The combined sealing and leakproof axle bearing oil seal structure according to claim 3 is characterized in that: The sealing cover (1103) is arranged on the outer side of the connecting plate (1101), and the hook teeth (1104) are fixedly installed on the inner side of the sealing cover (1103). The sealing cover (1103) and the hook teeth (1104) are both made of rubber. The card slot (1105) is opened inside the connecting plate (1101) and is adapted to the hook teeth (1104).

5. The combined sealing and leakproof axle bearing oil seal structure according to claim 1, characterized in that: An oil injection assembly (12) is arranged on the top of the drive box (1), and the oil injection assembly (12) comprises a snap ring (1201), an annular groove (1202), a limiting groove (1203), an oil cover (1204), a clamping column (1205) and a limiting block (1206); the snap ring (1201) is fixedly mounted on the top of the drive box (1), and the annular groove (1202) is arranged inside the snap ring (1201).

6. The combined sealing and leakproof axle bearing oil seal structure according to claim 5, characterized in that: The limiting groove (1203) is provided on the surface of the retaining ring (1201), and the oil cover (1204) is installed on the outside of the retaining ring (1201).

7. The combined sealing and leakproof axle bearing oil seal structure according to claim 5, characterized in that: The clamping column (1205) is fixedly mounted on the bottom of the oil cover (1204), and the limiting block (1206) is fixedly mounted on the outside of the clamping column (1205).

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