CN210484446U

CN210484446U - Self-lubricating type shaft sleeve for cross shaft universal joint

Info

Publication number: CN210484446U
Application number: CN201921430020.7U
Authority: CN
Inventors: 朱伟良; 蔡光兴
Original assignee: Hangzhou Carmi Auto Parts Co Ltd
Current assignee: Hangzhou Carmi Auto Parts Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-08
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses an independently lubricated formula axle sleeve for cross axle universal joint, including axis body, preceding axle sleeve, back axle sleeve and dustproof shaft cover, the quantity of preceding axle sleeve and back axle sleeve is four, axis body armshaft all around all with one side fixed connection of four preceding axle sleeves, the thread groove has all been seted up with inside top and the bottom of back axle sleeve to the inside top and the bottom of preceding axle sleeve, the inside threaded connection of thread groove has the screw rod, is equipped with the lubrication ring through the mounting groove card between the top of preceding axle sleeve and back axle sleeve inner chamber and the bottom, the utility model relates to a cross axle universal joint technical field. This an autonomic lubricated formula axle sleeve for cross axle universal joint, the axle sleeve can independently the counter shaft lubricate, has guaranteed holistic lubricated effect, has changed and has carried out lubricated mode through the axis body under the traditional mode, is applicable to different environment, has improved holistic lubricated quality, has increased life to a certain extent, and the practicality is strong, and the person of facilitating the use carries out the dismouting to the axle sleeve.

Description

Self-lubricating type shaft sleeve for cross shaft universal joint

Technical Field

The utility model relates to a universal joint technical field specifically is a self-lubricating formula axle sleeve for universal joint.

Background

The cross shaft is also called cross joint, i.e. universal joint, is a machine part for realizing variable-angle power transmission, is used for changing the position of the transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system. The cross shaft type rigid universal joint is an unequal-speed universal joint widely used on an automobile, a cross shaft is one of key parts of the cross shaft type rigid universal joint, the maintenance of the cross shaft is very important, the technical condition of the cross shaft bearing is required to be frequently checked for regular maintenance, a small boss of a semicircular hole of a fork-shaped flange is prevented from being clamped in a groove at the bottom of a bearing bowl during repair, the cross shaft is generally forged and formed after heat penetration, the heat penetration is used for heating the whole metal from outside to inside, and is heat treatment before metal forging and forming, the existing cross shaft universal joint is widely applied, generally, a shaft inside a shaft sleeve is lubricated through an oil injection hole on the surface of the shaft body, and due to the difference of use environments, the effect of a mode of lubricating the shaft sleeve is not very good, and the service life of the whole body is influenced.

Traditional cross axle universal joint, the axle sleeve can not independently the counter shaft lubricate, is difficult to guarantee holistic lubricated effect, is not suitable for different environment, has reduced holistic lubricated quality, has reduced life to a certain extent, and the practicality is not strong, and the person of not being convenient for carries out the dismouting to the axle sleeve, can not maintain lubricated circle.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an independently lubricated formula axle sleeve for cross axle universal joint has solved the not good problem of cross axle universal joint bulk lubrication effect.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an automatic lubrication type shaft sleeve for a cross axle universal joint comprises a shaft body, a front shaft sleeve, a rear shaft sleeve and a dustproof shaft cover, the number of the front shaft sleeves and the number of the rear shaft sleeves are four, the shaft arms around the shaft body are fixedly connected with one sides of the four front shaft sleeves, the top and the bottom of the inner part of the front shaft sleeve and the top and the bottom of the inner part of the rear shaft sleeve are both provided with thread grooves, and the screw rod is connected with the inner thread of the thread groove, a lubricating ring is clamped between the top and the bottom of the inner cavities of the front shaft sleeve and the rear shaft sleeve through the mounting groove, the surface of the lubricating ring is communicated with an oil filling pipe, two sides of the surface of the oil filling pipe are respectively and fixedly connected with one side of the front shaft sleeve opposite to one side of the rear shaft sleeve, and the surface of the oil injection pipe is provided with a sealing cover, the inner wall of the lubricating ring is provided with an oil injection round hole, and the surface of the rear shaft sleeve is in threaded connection with the inner wall of the dustproof shaft cover through a threaded block.

Preferably, a sealing plug is arranged between the centers of the shaft bodies on one side of the front shaft sleeve.

Preferably, a gasket is arranged between one side of the rear shaft sleeve and one side of the dustproof shaft cover.

Preferably, one side of the lubricating ring is provided with an oil seal.

Preferably, the top of the surface of the shaft body is communicated with a fixed pipe, and one end of the fixed pipe is in threaded connection with a pipe cover.

Preferably, one end of the screw rod, which is far away from the front shaft sleeve, is fixedly connected with a fixing block, and a cross hole is formed in the surface of one side of the fixing block.

Advantageous effects

The utility model provides an independently lubricated formula axle sleeve for cross axle universal joint. Compared with the prior art, the method has the following beneficial effects:

(1) the self-lubricating type shaft sleeve for the cross shaft universal joint is characterized in that thread grooves are formed in the top and the bottom of the inside of a front shaft sleeve and the top and the bottom of the inside of a rear shaft sleeve respectively, a screw rod is connected to the inner threads of the thread grooves, a lubricating ring is clamped between the top and the bottom of the inner cavity of the front shaft sleeve and the inner cavity of the rear shaft sleeve through a mounting groove, the surface of the lubricating ring is communicated with an oil injection pipe, the two sides of the surface of the oil injection pipe are fixedly connected with one side of the front shaft sleeve opposite to the rear shaft sleeve respectively, a sealing cover is arranged on the surface of the oil injection pipe, circular hole oil injection is formed in the inner wall of the lubricating ring, the surface of the rear shaft sleeve is in threaded connection with the inner wall of a dustproof shaft cover through a thread block, the shaft sleeve can lubricate a shaft independently, the whole lubricating effect is guaranteed, the mode, the service life is prolonged to a certain extent, and the practicability is strong.

(2) This a self-lubricating formula axle sleeve for universal joint, quantity through preceding axle sleeve and back axle sleeve is four, the axle body all around the armshaft all with one side fixed connection of four preceding axle sleeves, be provided with the sealing plug between the center of one side axle body of preceding axle sleeve, be provided with the gasket between one side of back axle sleeve and one side of dustproof shaft cover, the top intercommunication on axle body surface has fixed pipe, and the one end threaded connection of fixed pipe has the tube cap, the dismouting is carried out to the axle sleeve to the person of facilitating the use, can maintain the lubrication ring.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the dust-proof shaft cover structure of the present invention;

FIG. 3 is a cross-sectional view of the front and rear axle sleeve structure of the present invention;

FIG. 4 is a perspective view of the structure of the lubricating ring of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 3 according to the present invention.

In the figure: 1. a shaft body; 2. a front shaft sleeve; 3. a rear shaft sleeve; 4. a dust-proof shaft cover; 5. a thread groove; 6. a screw; 7. a lubricating ring; 8. an oil filling pipe; 9. sealing the cover; 10. injecting oil into a round hole; 11. a thread block; 12. a sealing plug; 13. a gasket; 14. oil sealing; 15. a fixed tube; 16. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-5, the present invention provides a technical solution: an automatic lubrication type shaft sleeve for a cross-shaped shaft universal joint comprises a shaft body 1, a front shaft sleeve 2, a rear shaft sleeve 3 and a dustproof shaft cover 4, wherein the number of the front shaft sleeve 2 and the rear shaft sleeve 3 is four, shaft arms around the shaft body 1 are fixedly connected with one sides of the four front shaft sleeves 2, a sealing plug 12 is arranged between the center of the shaft body 1 at one side of the front shaft sleeve 2, a gasket 13 is arranged between one side of the rear shaft sleeve 3 and one side of the dustproof shaft cover 4, thread grooves 5 are formed in the top and the bottom of the inner part of the front shaft sleeve 2 and the top and the bottom of the inner part of the rear shaft sleeve 3, when maintenance needs to be carried out on a lubricating ring 7, a user can aim at a cross groove on the surface at one side of a fixed block 16 through a cross rotating rod and then rotate a screw rod 6, when the screw rod 6 is completely rotated out, the user can separate the front shaft sleeve 2 from the rear shaft sleeve 3 and then take out the lubricating ring, further lubricating the rotating shaft, a screw 6 is connected with the inner thread of the thread groove 5, a lubricating ring 7 is clamped between the top and the bottom of the inner cavity of the front shaft sleeve 2 and the rear shaft sleeve 3 through a mounting groove, an oil seal 14 is arranged on one side of the lubricating ring 7, the oil seal 14 can prevent lubricating oil in the lubricating ring 7 from overflowing, the lubricating effect of the lubricating ring 7 is ensured, the top of the surface of the shaft body 1 is communicated with a fixed pipe 15, a pipe cover is connected with one end of the fixed pipe 15 through a thread, a fixed block 16 is fixedly connected with one end of the screw 6 far away from the front shaft sleeve 2, a cross hole is formed in the surface of one side of the fixed block 16, an oil injection pipe 8 is communicated with the surface of the lubricating ring 7, two sides of the surface of the oil injection pipe 8 are fixedly connected with one side of the front shaft sleeve 2 and the rear shaft sleeve 3 respectively, a sealing cover 9, ten are no less than to the quantity of oiling round hole 10, and the shape size is unanimous, the user can open closing cap 9, closing cap 9 can prevent that fluid from spilling over to the outside from oiling pipe 8, then let in lubricating oil to lubricated inside of circling 7 through oiling pipe 8, oiling round hole 10 just can lubricate like this, and oil blanket 14 can effectively prevent that fluid is excessive, the inner wall threaded connection of screw thread piece 11 and dustproof shaft lid 4 is passed through on the surface of back axle sleeve 3, dustproof shaft lid 4 can effectually prevent that the dust from entering into the inside of axle sleeve, the influence that causes lubricated effect after having avoided the dust to accumulate for a long time has been avoided.

During the use, the user can open closing cap 9, then let in lubricating oil to lubricated inside of enclosing 7 through oiling pipe 8, oiling round hole 10 just can lubricate like this, and oil blanket 14 can prevent effectively that fluid is excessive, when needs are maintained lubricated the enclosing 7, this is the cross recess that user's accessible cross bull stick aimed at 16 side surfaces of fixed block, then rotate screw rod 6, when screw rod 6 turns out completely, the user can part preceding axle sleeve 2 and back axle sleeve 3, and then take out lubricated enclosing 7 and maintain, and the user also can let in lubricating oil in to axis body 1 through fixed pipe 15, and then lubricate the countershaft.

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 an autonomic lubricated formula axle sleeve for cross axle universal joint, includes axis body (1), preceding axle sleeve (2), back axle sleeve (3) and dustproof shaft cover (4), the quantity of preceding axle sleeve (2) and back axle sleeve (3) is four, axis body (1) shaft arm all around all with one side fixed connection of four preceding axle sleeves (2), its characterized in that: thread groove (5) have all been seted up with the inside top and the bottom of back axle sleeve (3) to the inside threaded connection of thread groove (5) has screw rod (6), be equipped with lubrication ring (7) through the mounting groove card between the top of front axle sleeve (2) and back axle sleeve (3) inner chamber and the bottom to the surface intercommunication of lubrication ring (7) has oiling pipe (8), the both sides on oiling pipe (8) surface respectively with the relative one side fixed connection of front axle sleeve (2) and back axle sleeve (3) to the surface of oiling pipe (8) is provided with closing cap (9), oiling round hole (10) have been seted up to the inner wall of lubrication ring (7), the inner wall threaded connection of back axle sleeve (3) through thread block (11) and shield (4).

2. The self-lubricating bushing for a universal joint cross according to claim 1, wherein: a sealing plug (12) is arranged between the centers of the shaft bodies (1) on one side of the front shaft sleeve (2).

3. The self-lubricating bushing for a universal joint cross according to claim 1, wherein: and a gasket (13) is arranged between one side of the rear shaft sleeve (3) and one side of the dustproof shaft cover (4).

4. The self-lubricating bushing for a universal joint cross according to claim 1, wherein: and an oil seal (14) is arranged on one side of the lubricating ring (7).

5. The self-lubricating bushing for a universal joint cross according to claim 1, wherein: the top on the surface of the shaft body (1) is communicated with a fixed pipe (15), and one end of the fixed pipe (15) is in threaded connection with a pipe cover.

6. The self-lubricating bushing for a universal joint cross according to claim 1, wherein: one end of the screw rod (6) far away from the front shaft sleeve (2) is fixedly connected with a fixing block (16), and a cross hole is formed in the surface of one side of the fixing block (16).