CN220668187U - Cross axle universal joint assembly with high sealing structure - Google Patents
Cross axle universal joint assembly with high sealing structure Download PDFInfo
- Publication number
- CN220668187U CN220668187U CN202321815003.1U CN202321815003U CN220668187U CN 220668187 U CN220668187 U CN 220668187U CN 202321815003 U CN202321815003 U CN 202321815003U CN 220668187 U CN220668187 U CN 220668187U
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- Prior art keywords
- universal joint
- cross
- main body
- fixing
- oil
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- 238000007789 sealing Methods 0.000 title claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 29
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model provides a cross shaft universal joint assembly with a high-tightness structure, which comprises a left universal joint fork, a right universal joint fork, a fixing sleeve and a cross shaft main body, wherein an oil cup is arranged at the front side of the cross shaft main body, a cross oil transmission hole is formed in the cross shaft main body, four fixing shafts are integrally arranged at the upper side, the lower side and the left side of the cross shaft main body, four fixing sleeves are arranged at the four fixing shafts, four double-lip oil seal rings are arranged at the outer sides of the inner parts of the four fixing sleeves, the sealing effect of the traditional device is poor, the contact area between a sealing device and the cross shaft is greatly reduced, the problem that the service life of the cross shaft is shortened due to the fact that the sealing device is easily worn with the cross shaft is solved.
Description
Technical Field
The utility model relates to a cross shaft universal joint assembly with a high-tightness structure, and belongs to the technical field of universal joints.
Background
The universal joint assembly, also called a cross joint, is a universal joint, and is used for connecting a transmission output shaft and a main speed reducer input shaft which are not on the same straight line, and ensuring that power can be reliably transmitted under the condition that the included angle and the distance between the two shafts are changed frequently.
Chinese patent No.: CN214578429U, mentions a cross-shaft universal joint assembly with a high sealing structure, the circular baffle and the retainer ring are driven by the rotating threaded rod to extrude the shells of the second universal joint fork and the second connecting shaft, the retainer ring is close to the inner wall of the first universal joint fork or the second universal joint fork and drives the second sealing ring to approach the first sealing ring, so that the shell of the outer ring of one side of the second sealing ring close to the first sealing ring penetrates into the inner ring of the clamping groove, and thus the sealing is completed.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the cross-shaft universal joint assembly with a high-tightness structure, so as to solve the problems in the prior art.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a high leakproofness structure's cross universal joint assembly, includes left universal joint fork, right universal joint fork, fixed cover and cross axle main part, the oil cup is installed to cross axle main part front side, the oil plug is installed on the oil cup right side, the cross oil delivery hole has been seted up to the inside cross axle main part, cross axle main part upper and lower both sides and left and right sides integral type are provided with four fixed axle, four the fixed cover is installed to the fixed axle four fixed cover has placed sealing washer with four fixed axle relative inboard, four fixed cover inner wall is installed a plurality of roller bearings, four fixed cover inside outside is installed four double-lip oil seal ring, four double-lip oil seal ring inside is installed the iron shell skeleton, four the inside integral type of double-lip oil seal ring is provided with four seal lips, four the seal lip inboard integral type is provided with four the seal lip outside is placed four springs, four the seal lip inboard is close to cross axle main part direction integral type, four the fixed cover is installed through the left and right sides universal joint fork, the left and right sides universal joint is installed through the fixed axle sleeve is installed to the left and right sides universal joint main part.
Further, two left fixing holes are formed in the left universal joint fork in a penetrating mode.
Further, two right fixing holes are formed in the right universal joint fork in an up-and-down penetrating mode.
Further, a plurality of oil grooves are formed in the front side surface of the sealing gasket.
Further, four spring grooves are formed in the outer sides of the four sealing lips.
The utility model has the beneficial effects that: according to the cross shaft universal joint assembly with the high-tightness structure, the left universal joint fork, the right universal joint fork, the fixing sleeve, the cross shaft main body, the rolling shaft, the spring, the double-lip oil seal ring, the dustproof lip, the fixing shaft and the oil groove are added, and through design improvement and actual use, the cross shaft universal joint assembly is good in practicability, oil seal is carried out by adopting the double-lip sealing ring, the contact area between the sealing ring and the cross shaft is small, the cross shaft universal joint is not easy to wear, and the dustproof lip is arranged to prevent external dust from entering the shaft to damage the cross shaft universal joint, so that the service life of the cross shaft universal joint is prolonged.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic perspective view of the overall structure of a cross-shaft universal joint assembly of the high-tightness structure of the present utility model;
FIG. 2 is a cross-sectional schematic view of a cross-joint assembly of the high seal configuration of the present utility model;
FIG. 3 is a cross-shaft perspective view of a cross-shaft universal joint assembly of the high seal configuration of the present utility model;
FIG. 4 is a schematic perspective view of a seal gasket of a cross-shaft universal joint assembly of the high tightness construction of the present utility model;
in the figure: 1-left connecting shaft, 2-right connecting shaft, 3-left universal joint fork, 4-right universal joint fork, 5-fixed sleeve, 6-cross shaft main body, 7-oil cup, 8-roller, 9-cross oil delivery hole, 10-iron shell skeleton, 11-spring, 12-double-lip oil seal ring, 13-dustproof lip, 14-sealing gasket, 15-spring groove, 16-oil plug, 17-fixed shaft, 18-oil groove, 19-sealing section and 20-sealing lip.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a high leakproofness structural cross universal joint assembly, including left universal joint fork 3, right universal joint fork 4, fixed cover 5 and cross main part 6, oil cup 7 is installed to cross main part 6 front side, oil plug 16 is installed to oil cup 7 right side, cross main part 6 internally mounted has offered cross oil feed hole 9, cross main part 6 upper and lower both sides and left and right sides integral type are provided with four fixed axles 17, four fixed cover 5 are installed to four fixed axles 17, sealing washer 14 has been placed to four fixed covers 5 and four fixed axle 17 relative inboard, a plurality of rollers 8 are installed to four fixed cover 5 inner walls, four double-lip oil seal ring 12 are installed to four fixed cover 5 inside outsides, four double-lip oil seal ring 12 internally mounted has iron shell skeleton 10, four sealing lip 20 inboard integral type is provided with four sealing section 19, four springs 11 have been placed in four sealing lip 20 outsides, four sealing lip 20 inboard are close to cross main part 6 direction cross main part body and are provided with cross lip 13, the left and right sides cross main part is provided with cross main part 5, the left and right sides is connected with two universal joint main part 3 through the left and right sides universal joint device, the left and right sides universal joint device has reduced the wear and tear has been realized, the universal joint device is easy to the left and right sides is installed to the universal joint device, the universal joint device has reduced the universal joint device is passed through the left and is installed to the left and is connected with two universal joint shaft 3 to the universal joint device to the left and is passed through the universal joint device to the left and is easy to the universal joint device to the left and has reduced the service life.
As a first embodiment of the present utility model: two left fixed holes are formed in the left and right through holes of the left universal joint fork 3, two fixed sleeves 5 mounted on the left side and the right side of the cross shaft main body 6 can be embedded into the two left fixed holes through the two left fixed holes formed in the left and right through holes of the left universal joint fork 3, two right fixed holes are formed in the upper and lower through holes of the right universal joint fork 4, two fixed sleeves 5 mounted on the upper and lower sides of the cross shaft main body 6 can be embedded into the two right fixed holes through the two right fixed holes formed in the upper and lower through holes of the right universal joint fork 4, a plurality of oil grooves 18 are formed in the front side surface of the sealing gasket 14, the sealing gasket 14 can be prevented from being blocked by lubricating oil in the cross oil hole 9 through the plurality of oil grooves 18 formed in the front side surface of the sealing gasket 14, the lubricating oil can be guided to flow into the fixed sleeves 5, four spring grooves 15 are formed in the outer sides of the four sealing lips 20, the springs 11 can be placed in the spring grooves 15, and the lower sealing surface 19 can be assisted by placing the springs 11.
As a second embodiment of the present utility model: when the cross universal joint assembly is needed to be used, the four fixing sleeves 5 are fully coated with lubricating oil, the two fixing shafts 17 on the left side and the right side of the cross main body 6 are placed in the two left fixing holes formed in the left side and the right side of the left universal joint fork 3 in a penetrating mode, the two fixing sleeves 5 are embedded in the two left fixing holes, meanwhile, the two fixing sleeves 5 are installed on the outer sides of the two fixing shafts 17 on the left side and the right side of the cross main body 6, then the two fixing shafts 17 on the upper side and the lower side of the cross main body 6 are placed in the two left fixing holes formed in the upper side and the lower side of the right universal joint fork 4 in a penetrating mode, the two fixing sleeves 5 are embedded in the two right fixing holes, meanwhile, the two fixing sleeves 5 are installed on the outer sides of the two fixing shafts 17 on the upper side and the lower side of the cross main body 6 in a penetrating mode, finally, the oil plug 16 is opened to enable the lubricating oil to be injected into the cross oil conveying holes 9 formed in the inner side of the cross main body 6 through the oil cups 7, and the lubricating oil is guided into the four fixing sleeves 5 through the cross oil conveying holes 9, and abrasion of the cross universal joint is prevented from being reduced due to the lack of lubricating oil.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a cross axle universal joint assembly of high leakproofness structure, includes left universal joint fork (3), right universal joint fork (4), fixed cover (5) and cross axle main part (6), its characterized in that: an oil cup (7) is arranged on the front side of the cross shaft main body (6), an oil plug (16) is arranged on the right side of the oil cup (7), a cross oil conveying hole (9) is formed in the cross shaft main body (6), four fixing shafts (17) are integrally arranged on the upper side, the lower side, the left side and the right side of the cross shaft main body (6), and four fixing sleeves (5) are arranged on the four fixing shafts (17);
the four fixing sleeves (5) and four fixing shafts (17) are oppositely arranged on the inner sides of the fixing sleeves (5), a plurality of rolling shafts (8) are arranged on the inner walls of the fixing sleeves (5), four double-lip oil seal rings (12) are arranged on the inner outer sides of the fixing sleeves (5), an iron shell framework (10) is arranged in the four double-lip oil seal rings (12), four sealing lips (20) are integrally arranged on the inner sides of the four double-lip oil seal rings (12), four sealing sections (19) are integrally arranged on the inner sides of the four sealing lips (20), four springs (11) are arranged on the outer sides of the four sealing lips (20), and a dustproof lip (13) is integrally arranged on the inner sides of the sealing lips (20) close to the direction of a cross shaft main body (6);
the left connecting shaft (1) is installed on the left side of the left universal joint fork (3), the right side of the left universal joint fork (3) is installed on the left side and the right side of the cross shaft main body (6) through two fixing sleeves (5), the right connecting shaft (2) is installed on the right side of the right universal joint fork (4), and the left side of the right universal joint fork (4) is installed on the upper side and the lower side of the cross shaft main body (6) through two fixing sleeves (5).
2. The high seal performance structural cross-shaft universal joint assembly according to claim 1, wherein: two left fixing holes are formed in the left universal joint fork (3) in a penetrating mode.
3. The high seal performance structural cross-shaft universal joint assembly according to claim 1, wherein: two right fixing holes are formed in the right universal joint fork (4) in an up-and-down penetrating mode.
4. The high seal performance structural cross-shaft universal joint assembly according to claim 1, wherein: a plurality of oil grooves (18) are formed in the front side surface of the sealing gasket (14).
5. The high seal performance structural cross-shaft universal joint assembly according to claim 1, wherein: four spring grooves (15) are formed in the outer sides of the four sealing lips (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815003.1U CN220668187U (en) | 2023-07-11 | 2023-07-11 | Cross axle universal joint assembly with high sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815003.1U CN220668187U (en) | 2023-07-11 | 2023-07-11 | Cross axle universal joint assembly with high sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668187U true CN220668187U (en) | 2024-03-26 |
Family
ID=90344646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321815003.1U Active CN220668187U (en) | 2023-07-11 | 2023-07-11 | Cross axle universal joint assembly with high sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668187U (en) |
-
2023
- 2023-07-11 CN CN202321815003.1U patent/CN220668187U/en active Active
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