CN217381359U

CN217381359U - Sealed stand wear and tear universal joint subassembly with oil storage is effectual

Info

Publication number: CN217381359U
Application number: CN202221304037.XU
Authority: CN
Inventors: 孙吾源; 华建刚; 杨斌
Original assignee: Hangzhou Jingtong Auto Parts Co ltd
Current assignee: Hangzhou Jingtong Auto Parts Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-09-06
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a sealed stand wear and tear universal joint subassembly with oil storage is effectual, including the mounting disc, the top and the equal fixedly connected with backup pad in bottom of mounting disc one side, two rotate between the backup pad and be connected with the cross, be provided with seal assembly between cross and the backup pad, the oil storage chamber has been seted up to the inside of cross, has seted up the oil filler point between the surface of oil storage chamber and cross, is provided with the non return subassembly in the oil filler point, has seted up the cloth oilhole between the surface of cross and the oil storage chamber, the utility model relates to an auto-parts technical field. This kind of sealed stand wear and tear universal joint subassembly with oil storage is effectual, through the setting of non return mechanism, not only make things convenient for the injection of lubricating oil, after the oiling, the fixed cylinder contacts with the spacing section of thick bamboo of second automatic re-setting under the effect of first spring, seals the oil storage chamber, avoids lubricating oil to reveal from the oil filler point, the lubricated effect of universal joint.

Description

Sealed stand wear and tear universal joint subassembly with oil storage is effectual

Technical Field

The utility model relates to an auto-parts technical field specifically is a sealed stand wear and tear universal joint subassembly with oil storage is effectual.

Background

The universal joint is combined with a transmission shaft, called universal joint transmission device, on the vehicle driven by front engine and rear wheel, the universal joint transmission device is mounted between output shaft of speed changer and input shaft of main speed reducer of drive axle, and on the vehicle driven by front engine and front wheel the transmission shaft is omitted, and the universal joint is mounted between front axle semi-axle and wheel which are responsible for driving and steering

In order to guarantee effective lubrication between a cross shaft and a universal joint fork in the universal joint, lubricating oil needs to be injected between the cross shaft and the universal joint fork, the cross shaft in the existing universal joint is not only inconvenient to inject the lubricating oil, but also the sealing effect of an oil filling hole is poor after the oil is filled, the lubricating oil is easily leaked from the oil filling hole, and the lubricating effect of the universal joint is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a sealed stand wear and tear universal joint subassembly with oil storage is effectual has solved the pouring into of the not only inconvenient lubricating oil of universal joint in the current universal joint, and the sealed effect of oil filler point is poor after the oiling moreover, and lubricating oil is revealed from the oil filler point easily, influences the problem of the lubricated effect of universal joint.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a sealed wear-resistant cross shaft universal joint component with a good oil storage effect comprises an installation disc, wherein the top and the bottom of one side of the installation disc are fixedly connected with supporting plates, a cross shaft is rotatably connected between the two supporting plates, a sealing component is arranged between the cross shaft and the supporting plates, an oil storage cavity is formed in the cross shaft, an oil filling hole is formed between the oil storage cavity and the surface of the cross shaft, a non-return component is arranged in the oil filling hole, an oil distribution hole is formed between the surface of the cross shaft and the oil storage cavity, the non-return component comprises an installation cylinder, the installation cylinder is fixedly connected with the oil filling hole, one side of the inner wall of the installation cylinder is fixedly connected with a first limiting cylinder, the inner wall of the first limiting cylinder is slidably connected with a fixed cylinder, the inner wall of the installation cylinder is fixedly connected with a second limiting cylinder on one side of the fixed cylinder, and the inner wall of the first limiting cylinder is fixedly connected with a limiting ring on the other side of the fixed cylinder, the inner wall fixedly connected with first spring of solid fixed cylinder, the one end and the spacing ring fixed connection of solid fixed cylinder are kept away from to first spring.

Preferably, a communicating cavity is formed between the first limiting cylinder and the second limiting cylinder on the inner wall of the mounting cylinder, and a communicating hole is formed in the surface of the fixing cylinder in a penetrating mode.

Preferably, the cross shaft penetrates through the support plate and is rotatably connected with the support plate through a bearing.

Preferably, a sealing cover is arranged on the surface of the mounting disc, and the sealing cover is in threaded connection with the mounting disc.

Preferably, the sealing assembly comprises a positioning cylinder, the positioning cylinder is fixedly connected with the surface of the cross shaft, the inner wall of the positioning cylinder is connected with an installation ring in a sliding mode, the inner ring of the installation ring is connected with the surface of the cross shaft in a sliding mode, and one side of the installation ring is connected with a sealing ring in a rotating mode.

Preferably, the other side of the mounting ring is fixedly connected with a second spring, and one end, far away from the mounting ring, of the second spring is fixedly connected with the inner wall of the positioning cylinder.

Advantageous effects

The utility model provides a sealed stand wear and tear universal joint subassembly with oil storage is effectual. Compared with the prior art, the method has the following beneficial effects:

(1) the sealing wear-resistant cross shaft universal joint component with good oil storage effect is characterized in that supporting plates are fixedly connected to the top and the bottom of one side of an installation disc, a cross shaft is rotatably connected between the two supporting plates, a sealing component is arranged between the cross shaft and the supporting plates, an oil storage cavity is formed in the cross shaft, an oil filling hole is formed between the oil storage cavity and the surface of the cross shaft, a non-return component is arranged in the oil filling hole, an oil distribution hole is formed between the surface of the cross shaft and the oil storage cavity, the non-return component comprises an installation cylinder, the installation cylinder is fixedly connected with the oil filling hole, a first limiting cylinder is fixedly connected to one side of the inner wall of the installation cylinder, a fixed cylinder is slidably connected to the inner wall of the first limiting cylinder, a second limiting cylinder is fixedly connected to the inner wall of the installation cylinder and located on one side of the fixed cylinder, and a limiting ring is fixedly connected to the inner wall of the first limiting cylinder and located on the other side of the fixed cylinder, the inner wall fixedly connected with first spring of solid fixed cylinder, solid fixed cylinder's one end and spacing ring fixed connection are kept away from to first spring, through the setting of non return mechanism, not only make things convenient for the injection of lubricating oil, and after the oiling, solid fixed cylinder automatic re-setting and the spacing section of thick bamboo contact of second under the effect of first spring seal the oil storage chamber, avoid lubricating oil to reveal from the oil filler point, the lubricated effect of universal joint.

(2) This sealed stand wear and tear universal joint subassembly with oil storage is effectual, surface through the mounting disc is provided with sealed lid, sealed lid and mounting disc threaded connection, seal assembly includes a location section of thick bamboo, the fixed surface of a location section of thick bamboo and cross is connected, the inner wall sliding connection of a location section of thick bamboo has the collar, the inner circle of collar and the sliding surface connection of cross, one side of collar rotates and is connected with the sealing ring, the opposite side fixedly connected with second spring of collar, the one end of collar and the inner wall fixed connection of a location section of thick bamboo are kept away from to the second spring, through the setting of sealed lid and seal assembly, the connection position that had both avoided dust or grit to get into cross and backup pad causes the friction damage to connecting portion, lubricating oil's revealing has effectively been reduced again, lubrication effect has been improved, the device's durability has been strengthened.

Drawings

FIG. 1 is a main sectional view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the cross of the present invention;

FIG. 3 is a cross-sectional view of the check assembly of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the bearing comprises a mounting disc 1, a support plate 2, a cross shaft 3, a sealing assembly 4, a positioning barrel 41, a mounting ring 42, a sealing ring 43, a second spring 44, an oil storage cavity 5, a check assembly 6, a mounting barrel 61, a first limiting barrel 62, a fixed barrel 63, a second limiting barrel 64, a limiting ring 65, a first spring 66, a communicating cavity 67, a communicating hole 68, an oil filling hole 7, an oil distributing hole 8, a bearing 9 and a sealing cover 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a sealed wear-resistant cross shaft universal joint component with good oil storage effect comprises a mounting disc 1, wherein the top and the bottom of one side of the mounting disc 1 are fixedly connected with supporting plates 2, the other side of the mounting disc 1 is fixedly connected with a transmission shaft, a cross shaft 3 is rotatably connected between the two supporting plates 2, the cross shaft 3 penetrates through the supporting plates 2 and is rotatably connected with the supporting plates 2 through a bearing 9, a sealing cover 10 is arranged on the surface of the mounting disc 1, the sealing cover 10 is in threaded connection with the mounting disc 1, a sealing component 4 is arranged between the cross shaft 3 and the supporting plates 2, the sealing component 4 comprises a positioning cylinder 41, the positioning cylinder 41 is fixedly connected with the surface of the cross shaft 3, the inner wall of the positioning cylinder 41 is slidably connected with a mounting ring 42, the inner ring of the mounting ring 42 is slidably connected with the surface of the cross shaft 3, a sealing ring 43 is rotatably connected with one side of the mounting ring 42, and a second spring 44 is fixedly connected with the other side of the mounting ring 42, the second spring 44 is in a compressed state, one end of the second spring 44, which is far away from the mounting ring 42, is fixedly connected with the inner wall of the positioning cylinder 41, an oil storage cavity 5 is formed inside the cross shaft 3, an oil filling hole 7 is formed between the oil storage cavity 5 and the surface of the cross shaft 3, a check assembly 6 is arranged in the oil filling hole 7, an oil distribution hole 8 is formed between the surface of the cross shaft 3 and the oil storage cavity 5, the check assembly 6 comprises a mounting cylinder 61, the mounting cylinder 61 is fixedly connected with the oil filling hole, one side of the inner wall of the mounting cylinder 61 is fixedly connected with a first limit cylinder 62, the inner wall of the first limit cylinder 62 is slidably connected with a fixed cylinder 63, the inner wall of the mounting cylinder 61, which is positioned at one side of the fixed cylinder 63, is fixedly connected with a second limit cylinder 64, a communication cavity 67 is formed between the first limit cylinder 62 and the second limit cylinder 64 and the inner wall of the mounting cylinder 61, a communication hole 68 is formed through the surface of the fixed cylinder 63, a limit ring 65 is fixedly connected with the inner wall of the first limit cylinder 62, which is positioned at the other side of the fixed cylinder 63, the inner wall of the fixed cylinder 63 is fixedly connected with a first spring 66 in a compressed state, and one end of the first spring 66 far away from the fixed cylinder 63 is fixedly connected with the limiting ring 65.

When lubricating oil needs to be injected into the oil storage cavity 5 in the cross shaft 3, the gun head of the oil gun is abutted against the inlet of the mounting cylinder 61, and when oil is injected, the fixed cylinder 63 slides leftwards along the inner wall of the first limiting cylinder 62 under the action of oil pressure to compress the first spring 66, meanwhile, the lubricating oil is communicated with the oil storage cavity 5 through the second limiting cylinder 64, the communicating cavity 67, the communicating hole 68 and the fixed cylinder 63, the lubricating oil is injected into the oil storage cavity 5, after the oiling is finished, the fixed cylinder 63 is contacted with the second limiting cylinder 64 under the action of the first spring 66, when the oil storage cavity 5 is sealed, in use, along with the rotation of the cross shaft 3, the centrifugal force generated by the cross shaft 3 conveys lubricating oil to each oil distribution hole 8, the lubricating oil enters the joint of the support plate 2 and the cross shaft 3 through the oil distribution holes 8 to provide lubricating oil lubrication, and the sealing ring 43 forms dynamic sealing between the cross shaft 3 and the support plate 2 under the action of the second spring 44.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed stand wear and tear universal joint subassembly with oil storage is effectual, includes mounting disc (1), its characterized in that: the mounting disc is characterized in that supporting plates (2) are fixedly connected to the top and the bottom of one side of the mounting disc (1), a cross shaft (3) is rotatably connected between the two supporting plates (2), a sealing assembly (4) is arranged between the cross shaft (3) and the supporting plates (2), an oil storage cavity (5) is formed in the cross shaft (3), an oil filling hole (7) is formed between the oil storage cavity (5) and the surface of the cross shaft (3), a non-return assembly (6) is arranged in the oil filling hole (7), and an oil distribution hole (8) is formed between the surface of the cross shaft (3) and the oil storage cavity (5);

non return subassembly (6) are including installation section of thick bamboo (61), installation section of thick bamboo (61) and oil filler point fixed connection, the first spacing section of thick bamboo (62) of one side fixedly connected with of installation section of thick bamboo (61) inner wall, the inner wall sliding connection of first spacing section of thick bamboo (62) has solid fixed cylinder (63), the inner wall of installation section of thick bamboo (61) just is located the spacing section of thick bamboo (64) of one side fixedly connected with second of solid fixed cylinder (63), the inner wall of first spacing section of thick bamboo (62) just is located opposite side fixedly connected with spacing ring (65) of solid fixed cylinder (63), the first spring (66) of inner wall fixedly connected with of solid fixed cylinder (63), the one end and spacing ring (65) fixed connection of solid fixed cylinder (63) are kept away from in first spring (66).

2. The sealed wear-resistant cross shaft universal joint assembly with the good oil storage effect as claimed in claim 1, wherein: the inner wall of the mounting cylinder (61) is positioned between the first limiting cylinder (62) and the second limiting cylinder (64) to form a communicating cavity (67), and the surface of the fixing cylinder (63) is provided with a communicating hole (68) in a penetrating mode.

3. The sealed wear-resistant cross-pin joint assembly with good oil storage effect of claim 1, wherein: the cross shaft (3) penetrates through the support plate (2) and is rotatably connected with the support plate (2) through a bearing (9).

4. The sealed wear-resistant cross-pin joint assembly with good oil storage effect of claim 1, wherein: the surface of the mounting disc (1) is provided with a sealing cover (10), and the sealing cover (10) is in threaded connection with the mounting disc (1).

5. The sealed wear-resistant cross-pin joint assembly with good oil storage effect of claim 1, wherein: the sealing assembly (4) comprises a positioning cylinder (41), the positioning cylinder (41) is fixedly connected with the surface of the cross shaft (3), the inner wall of the positioning cylinder (41) is connected with an installation ring (42) in a sliding mode, the inner ring of the installation ring (42) is connected with the surface of the cross shaft (3) in a sliding mode, and a sealing ring (43) is rotatably connected to one side of the installation ring (42).

6. The sealed wear-resistant cross-pin joint assembly with good oil storage effect of claim 5, wherein: the other side of the mounting ring (42) is fixedly connected with a second spring (44), and one end, far away from the mounting ring (42), of the second spring (44) is fixedly connected with the inner wall of the positioning barrel (41).