CN210484449U - Take multiple sliding structure's cross universal joint axle sleeve - Google Patents
Take multiple sliding structure's cross universal joint axle sleeve Download PDFInfo
- Publication number
- CN210484449U CN210484449U CN201921495152.8U CN201921495152U CN210484449U CN 210484449 U CN210484449 U CN 210484449U CN 201921495152 U CN201921495152 U CN 201921495152U CN 210484449 U CN210484449 U CN 210484449U
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- Prior art keywords
- shaft
- universal joint
- cross
- needle roller
- oil
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Abstract
The utility model discloses a take multiple sliding construction's cross universal joint axle sleeve, including the cross, the cross is provided with the axle head to the axle head is provided with four, four the surface of axle head all is provided with the axle sleeve, the inboard of axle sleeve is provided with needle roller holder to needle roller holder's inboard is provided with the kingpin, the surface of kingpin contacts with the surface of axle head to needle roller holder's both sides all with the both sides swing joint of axle sleeve inner wall, the utility model relates to a universal joint axle sleeve technical field. This take multiple sliding construction's universal joint axle sleeve is provided with the bearing cage through the inboard of axle sleeve, and the inboard of bearing cage is provided with the kingpin, and the surface of kingpin contacts with the surface of axle head, sets up multiple sliding mechanism, still can realize effective supporting when sliding mechanism appears wearing and tearing when one, avoids whole scrapping, increase of service life, and multiple sliding mechanism improves the rotation supporting flexibility of axle sleeve greatly.
Description
Technical Field
The utility model relates to a universal joint axle sleeve technical field specifically is a take multiple sliding construction's cross axle universal joint axle sleeve.
Background
The cross shaft is also called cross joint, i.e. universal joint, is a machine part for realizing variable angle power transmission, and is used for changing the position of transmission axis direction, it is a "joint" component of universal transmission device of automobile driving system, the cross shaft type rigid universal joint is non-constant velocity universal joint extensively used on the automobile, the maximum angle of intersection of two adjacent shafts is allowed to be 15-20 deg., the cross shaft is generally formed from a cross shaft, two universal joint forks and four needle bearings, etc., the holes on two universal joint forks are respectively cover-mounted on two pairs of shaft necks of the cross shaft, so that when the driving shaft is rotated, the driven shaft can be rotated with it, and can be swung in any direction around the center of the cross shaft, between the shaft necks of the cross shaft and universal joint forks holes a needle bearing is mounted, and the outer ring of the needle bearing is axially positioned by means of snap.
In the prior art, the universal joint cross shaft sleeve in the market is basically provided with a roller pin structure on the inner side of the sleeve to realize rotary support, the sleeve with the structure is scrapped even after the roller pins are worn in the using process, and the rotary effect is easy to be deteriorated due to sharp reduction of flexibility when the lubricating effect is poor, so that the universal joint cross shaft sleeve with the multiple sliding structure is provided to enhance the flexibility and the service life of the sleeve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a take multiple sliding construction's cross universal joint axle sleeve has solved the cross universal joint axle sleeve and has easily leaded to the flexibility to sharply subtract because of lubricated not good, problem that life is short.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the universal joint pin sleeve with the multiple sliding structures comprises a cross pin, wherein the cross pin is provided with four shaft ends, the surface of each shaft end is provided with a pin sleeve, a needle roller retainer is arranged on the inner side of the pin sleeve, needle rollers are arranged on the inner side of the needle roller retainer, the surfaces of the needle rollers are in contact with the surfaces of the shaft ends, the two sides of the needle roller retainer are movably connected with the two sides of the inner wall of the pin sleeve, mounting grooves are formed in the two sides of the inner wall of the pin sleeve, ball retainers are arranged in the two mounting grooves, balls are arranged in the two ball retainers, and the surfaces of the balls are in contact with one sides of the needle roller retainers.
Preferably, one side of the shaft sleeve, which is close to the cross shaft, is provided with a sealing groove, an oil seal is arranged in the sealing groove, and a lip of the oil seal is in contact with the surface of the shaft end.
Preferably, an oil filling port is formed in the middle of the cross shaft, and an oil nozzle is arranged inside the oil filling port.
Preferably, the cross shaft is internally provided with a main oil duct, the main oil duct is communicated with the oil injection port, the shaft end is internally provided with a branch oil duct, one end of the branch oil duct is communicated with the main oil duct, and the other end of the branch oil duct penetrates through the surface of the shaft end.
Preferably, an oil storage cavity is arranged inside the shaft sleeve and outside the needle roller retainer, and an oil passing hole is formed inside the needle roller retainer.
Preferably, the periphery of the cross shaft and the roots located at the four shaft ends are provided with limiting parts, and one side of each limiting part is abutted to one side of each oil seal.
Advantageous effects
The utility model provides a take multiple sliding construction's cross universal joint axle sleeve. Compared with the prior art, the method has the following beneficial effects:
(1) this take multiple sliding construction's cross universal joint axle sleeve, inboard through the axle sleeve is provided with the bearing cage, and the inboard of bearing cage is provided with the kingpin, the surface of kingpin contacts with the surface of axle head, and the both sides of bearing cage all with the both sides swing joint of axle sleeve inner wall, the mounting groove has all been seted up to the both sides of axle sleeve inner wall, and the inside of two mounting grooves all is provided with the ball cage, the inside of two ball cages all is provided with the ball, and the surface of ball contacts with one side of bearing cage, set up multiple sliding mechanism with the axle sleeve, still can realize effective support after wearing and tearing appear when a sliding mechanism, avoid whole to scrap, and increase of service life, and multiple sliding mechanism improves the rotation supporting flexibility of axle sleeve greatly.
(2) The universal joint shaft sleeve with the multiple sliding structures is characterized in that a sealing groove is arranged on one side, close to a universal shaft, of the shaft sleeve, an oil seal is arranged inside the sealing groove, a lip of the oil seal is in contact with the surface of a shaft end, an oil filling port is formed in the middle of the universal shaft, an oil nozzle is arranged inside the oil filling port, a main oil duct is formed inside the universal shaft, the main oil duct is communicated with the oil filling port, a branch oil duct is formed inside the shaft end, one end of the branch oil duct is communicated with the main oil duct, the other end of the branch oil duct penetrates through the surface of the shaft end, an oil storage cavity is formed inside the shaft sleeve and located outside a needle roller retainer, oil passing holes are formed inside the needle roller retainer, limiting parts are arranged at the four sides of the universal shaft, one side of each limiting part is abutted against one side of the oil seal, the oil storage chamber provides a larger oil storage amount, and the lubrication holding time is delayed.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic view of the inner structure of the shaft sleeve of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: 1-cross shaft, 2-shaft end, 3-shaft sleeve, 4-needle roller retainer, 5-needle roller, 6-mounting groove, 7-ball retainer, 8-ball, 9-sealing groove, 10-oil seal, 11-oil injection port, 12-oil nozzle, 13-main oil duct, 14-branch oil duct, 15-oil storage cavity, 16-oil passing hole and 17-limiting part.
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. 1-3, the present invention provides a technical solution: a universal joint shaft sleeve with a multi-sliding structure comprises a universal joint shaft 1, wherein the universal joint shaft 1 is provided with shaft ends 2, the shaft ends 2 are four, the surfaces of the four shaft ends 2 are respectively provided with a shaft sleeve 3, one side of the shaft sleeve 3, which is close to the universal joint shaft 1, is provided with a sealing groove 9, an oil seal 10 is arranged inside the sealing groove 9, a lip of the oil seal 10 is contacted with the surface of the shaft end 2, the middle part of the universal joint shaft 1 is provided with an oil filling port 11, an oil nozzle 12 is arranged inside the oil filling port 11, a main oil duct 13 is arranged inside the universal joint shaft 1, the main oil duct 13 is communicated with the oil filling port 11, a branch oil duct 14 is arranged inside the shaft end 2, the branch oil duct 14 is distributed around the main oil duct 13 as a center, one end of the branch oil duct 14 is communicated with the main oil duct 13, the other end of the branch oil duct 14 is communicated with the surface, the inside of the needle roller retainer 4 is provided with an oil passing hole 16, the root parts of the four shaft ends 2 around the cross shaft 1 are respectively provided with a limiting part 17, one side of the limiting part 17 is abutted against one side of the oil seal 10, the inside of the shaft sleeve 3 is provided with the needle roller retainer 4, the inside of the needle roller retainer 4 is provided with the needle roller 5, the surface of the needle roller 5 is contacted with the surface of the shaft end 2, a first heavy sliding mechanism is formed between the needle roller 5 and the shaft end 2, the two sides of the needle roller retainer 4 are movably connected with the two sides of the inner wall of the shaft sleeve 3, the two sides of the inner wall of the shaft sleeve 3 are respectively provided with a mounting groove 6, the inside of the two mounting grooves 6 is provided with a ball retainer 7, the inside of the two ball retainers 7 is provided with balls 8, a second heavy sliding mechanism is formed, and the surface of the ball 8 is in contact with one side of the needle roller cage 4, while those not described in detail in this specification are well known in the art.
During the use, produce rolling friction between axle head 2 and the kingpin 5 surface, keep rolling friction between kingpin holder 4 and the axle sleeve 3 simultaneously, produce rolling friction between ball 8 and the 6 inner walls of mounting groove, form three friction sliding mechanism, another sliding mechanism still can provide rotatory support when wearing and tearing appear in kingpin 5 or one of ball 8, the life of extension axle sleeve 3, and multiple sliding mechanism has undoubtedly improved the flexibility of axle sleeve 3, compare traditional structure still and have better flexibility when even lubricated not smooth, the dead condition of card is difficult for appearing.
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 (6)
1. The utility model provides a take multiple sliding construction's cross universal joint axle sleeve, includes cross (1), cross (1) is provided with axle head (2) to axle head (2) are provided with four, four the surface of axle head (2) all is provided with axle sleeve (3), its characterized in that: the inner side of the shaft sleeve (3) is provided with a needle roller retainer (4), the inner side of the needle roller retainer (4) is provided with a needle roller (5), the surface of the needle roller (5) is in contact with the surface of the shaft end (2), the two sides of the needle roller retainer (4) are movably connected with the two sides of the inner wall of the shaft sleeve (3), mounting grooves (6) are formed in the two sides of the inner wall of the shaft sleeve (3), ball retainers (7) are arranged in the two mounting grooves (6), balls (8) are arranged in the two ball retainers (7), and the surface of each ball (8) is in contact with one side of the needle roller retainer (4).
2. The universal joint pin bushing with the multiple sliding structures as claimed in claim 1, wherein: one side that axle sleeve (3) are close to cross axle (1) is provided with seal groove (9) to the inside of seal groove (9) is provided with oil blanket (10), the lip of oil blanket (10) contacts with the surface of axle head (2).
3. The universal joint pin bushing with the multiple sliding structures as claimed in claim 1, wherein: an oil filling port (11) is formed in the middle of the cross shaft (1), and an oil nozzle (12) is arranged inside the oil filling port (11).
4. The universal joint pin bushing with the multiple sliding structures as claimed in claim 3, wherein: the oil filling cross shaft is characterized in that a main oil duct (13) is formed in the cross shaft (1), the main oil duct (13) is communicated with the oil filling port (11), a branch oil duct (14) is formed in the shaft end (2), one end of the branch oil duct (14) is communicated with the main oil duct (13), and the other end of the branch oil duct (14) penetrates through the surface of the shaft end (2).
5. The universal joint pin bushing with the multiple sliding structures as claimed in claim 1, wherein: an oil storage cavity (15) is formed in the shaft sleeve (3) and located on the outer side of the needle roller retainer (4), and an oil passing hole (16) is formed in the needle roller retainer (4).
6. The universal joint pin bushing with the multiple sliding structures as claimed in claim 2, wherein: the four-shaft-end four-shaft universal joint is characterized in that the peripheries of the cross shafts (1) and the roots of the four shaft ends (2) are provided with limiting portions (17), and one side of each limiting portion (17) is abutted to one side of each oil seal (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495152.8U CN210484449U (en) | 2019-09-10 | 2019-09-10 | Take multiple sliding structure's cross universal joint axle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495152.8U CN210484449U (en) | 2019-09-10 | 2019-09-10 | Take multiple sliding structure's cross universal joint axle sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210484449U true CN210484449U (en) | 2020-05-08 |
Family
ID=70541342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921495152.8U Expired - Fee Related CN210484449U (en) | 2019-09-10 | 2019-09-10 | Take multiple sliding structure's cross universal joint axle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210484449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360890A (en) * | 2020-11-05 | 2021-02-12 | 杭州正强传动股份有限公司 | Cross axle universal joint convenient to lubricate and maintain |
-
2019
- 2019-09-10 CN CN201921495152.8U patent/CN210484449U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360890A (en) * | 2020-11-05 | 2021-02-12 | 杭州正强传动股份有限公司 | Cross axle universal joint convenient to lubricate and maintain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 Termination date: 20200910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |