CN219510041U - Wear-resistant cross axle type universal coupling - Google Patents
Wear-resistant cross axle type universal coupling Download PDFInfo
- Publication number
- CN219510041U CN219510041U CN202223544684.0U CN202223544684U CN219510041U CN 219510041 U CN219510041 U CN 219510041U CN 202223544684 U CN202223544684 U CN 202223544684U CN 219510041 U CN219510041 U CN 219510041U
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- shaft
- wear
- sleeve
- universal joint
- cross
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a wear-resistant cross-shaft type universal coupling which comprises a connecting flange plate, a cross-shaft universal joint, a connecting shaft, a shaft sleeve and a limiting shaft pin, wherein a sleeve frame is arranged above the connecting flange plate, the cross-shaft universal joint is arranged in the sleeve frame, the limiting shaft pin penetrates through the left sides of the shaft sleeve and the connecting shaft, and a positioning nut is arranged on the right side of the limiting shaft pin. According to the utility model, through the arrangement of the first wear-resistant layer and the second wear-resistant layer, as the sliding block is arranged on the outer wall of the connecting shaft, and the sliding groove is formed at the contact position of the sliding block and the shaft sleeve, the connecting shaft is in sliding connection with the shaft sleeve, so that when the length of the connecting shaft and the shaft sleeve is adjusted, the friction range between the connecting shaft and the shaft sleeve can be reduced, the abrasion caused by friction is reduced, and meanwhile, the wear-resistant layers are coated on the outer wall of the connecting shaft and the inner wall of the shaft sleeve, so that the wear resistance of the connecting shaft and the shaft sleeve can be improved, the abrasion in the use process is reduced, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of cross shaft type universal couplings, in particular to a wear-resistant cross shaft type universal coupling.
Background
The universal joint is the most commonly used coupling, and the universal joint is also called as a universal joint, and the structural characteristics of the universal joint can be utilized to enable two shafts which are not in the same axis or have larger angle of refraction or larger axial movement to continuously rotate at equal angular speed, and reliably transmit torque and motion. Currently, it has been widely used to transmit torque in mechanical shafting.
The length of the conventional cross-shaft type universal coupling is inconvenient to adjust in use, for example, the shock-absorbing quick-release cross-shaft type universal coupling disclosed in the application number of CN2020224370. X is fixed in length, the length of the conventional coupling is limited and cannot be adjusted in a telescopic manner, so that the conventional cross-shaft type universal coupling is only suitable for one length, the coupling is limited in use, and meanwhile, when the length of the coupling is adjusted, the phenomenon of abrasion damage caused by continuous contact friction between a connecting shaft and the inner wall of a sleeve shaft is avoided, so that the service life of the coupling is shortened.
Therefore, it is necessary to invent a wear-resistant cross-shaft universal joint to solve the above problems.
Disclosure of Invention
The utility model aims to provide a wear-resistant cross-shaft type universal coupling, which solves the problem that the length of the coupling is inconvenient to adjust in use in the technology, the existing coupling is fixed in length, the length of the coupling is limited, and the telescopic adjustment cannot be carried out, so that the coupling is only suitable for one length, the use of the coupling has certain limitation, and meanwhile, when the length of the coupling is adjusted, the connecting shaft is in continuous contact friction with the inner wall of the sleeve shaft, so that the abrasion damage phenomenon is caused, and the service life of the coupling is reduced.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a stand wear-resisting cross shaft type universal joint, includes flange dish, cross universal joint, connecting axle, axle sleeve and spacing pivot, the top of flange dish is provided with the cover frame, the inside of cover frame is provided with the cross universal joint, the outer wall of connecting axle is provided with first wearing layer, the top of connecting axle is provided with the axle sleeve, the inner wall of axle sleeve is provided with the second wearing layer, the axle sleeve runs through with the left side of connecting axle and is provided with spacing pivot, the right side of spacing pivot is provided with positioning nut.
Preferably, the sleeve frame is hinged with the cross universal joint, and a connecting shaft is arranged above the cross universal joint.
Preferably, the first wear-resistant layer is coated on the outer wall of the connecting shaft, and the material of the first wear-resistant layer is ceramic wear-resistant paint.
Preferably, the connecting shaft is in sliding connection with the shaft sleeve, and the central line of the connecting shaft is mutually overlapped with the central line of the shaft sleeve.
Preferably, the outer wall of the connecting shaft is provided with 4 sliding blocks, and the sliding blocks are mutually symmetrical with respect to the connecting shaft in a central mode.
Preferably, a sliding groove is formed in the contact position of the sliding block and the inner wall of the shaft sleeve, and the sliding block is in sliding connection with the sliding groove.
Preferably, the second wear-resistant layer is coated on the inner wall of the connecting shaft, and the material of the second wear-resistant layer is ceramic wear-resistant paint.
Preferably, the limiting shaft pin is in threaded connection with the positioning nut, and a jack is formed in the contact position of the limiting shaft pin and the connecting shaft.
In the technical scheme, the utility model has the technical effects and advantages that:
1. through the arrangement of the first wear-resistant layer and the second wear-resistant layer, as the outer wall of the connecting shaft is provided with the sliding block, and the contact position of the sliding block and the shaft sleeve is provided with the sliding groove, the connecting shaft is in sliding connection with the shaft sleeve, so that when the length of the connecting shaft and the length of the shaft sleeve are adjusted, the friction range between the connecting shaft and the shaft sleeve can be reduced, the abrasion caused by friction can be reduced, and meanwhile, the wear-resistant layers are coated on the outer wall of the connecting shaft and the inner wall of the shaft sleeve, so that the wear resistance of the connecting shaft and the shaft sleeve can be improved, the abrasion in the use process can be reduced, and the service life can be prolonged;
2. through the setting of spacing pivot and positioning nut, when connecting axle and axle sleeve adjust to required length, insert at the jack inner wall through spacing pivot to carry out threaded connection location through spacing pivot and positioning nut, solved current cross axle type universal joint limited in length, can not carry out flexible regulation, the restricted problem of application range.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic perspective view of a connecting shaft and a shaft sleeve according to the present utility model;
FIG. 3 is a schematic view of a cross-sectional perspective structure of a bushing according to the present utility model;
fig. 4 is a schematic view of a three-dimensional structure of a limiting shaft pin and a positioning nut according to the present utility model;
fig. 5 is an enlarged perspective view of fig. 4 a according to the present utility model.
Reference numerals illustrate:
1. a connecting flange plate; 2. a sleeve frame; 3. a cross universal joint; 4. a connecting shaft; 5. a first wear layer; 6. a shaft sleeve; 7. a sliding block; 8. a sliding groove; 9. a second wear layer; 10. limiting shaft pin; 11. a jack; 12. and positioning a nut.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides a wear-resistant cross-shaft type universal coupling as shown in figures 1-5, which comprises a connecting flange plate 1, a cross-shaft universal joint 3, a connecting shaft 4, a shaft sleeve 6 and a limiting shaft pin 10, wherein a sleeve frame 2 is arranged above the connecting flange plate 1, the cross-shaft universal joint 3 is arranged inside the sleeve frame 2, a first wear-resistant layer 5 is arranged on the outer wall of the connecting shaft 4, the shaft sleeve 6 is arranged above the connecting shaft 4, a second wear-resistant layer 9 is arranged on the inner wall of the shaft sleeve 6, the limiting shaft pin 10 is arranged through the left sides of the shaft sleeve 6 and the connecting shaft 4, and a positioning nut 12 is arranged on the right side of the limiting shaft pin 10.
The sleeve frame 2 is hinged with the cross universal joint 3, the connecting shaft 4 is arranged above the cross universal joint 3, the first wear-resistant layer 5 is coated on the outer wall of the connecting shaft 4, the first wear-resistant layer 5 is made of ceramic wear-resistant coating, the connecting shaft 4 is in sliding connection with the shaft sleeve 6, the center line of the connecting shaft 4 is mutually overlapped with the center line of the shaft sleeve 6, sliding blocks 7 are arranged on the outer wall of the connecting shaft 4, the sliding blocks 7 are 4, and the sliding blocks 7 are mutually center-symmetrical relative to the connecting shaft 4.
The sliding block 7 is connected with the sliding groove 8 in a sliding way at the contact position of the sliding block 7 and the inner wall of the shaft sleeve 6, the second wear-resistant layer 9 is coated on the inner wall of the connecting shaft 4, the second wear-resistant layer 9 is made of ceramic wear-resistant coating, the limiting shaft pin 10 is connected with the positioning nut 12 in a threaded way, and the jack 11 is formed at the contact position of the limiting shaft pin 10 and the connecting shaft 4.
The working principle of the utility model is as follows:
referring to fig. 1-5 of the specification, when the device is used, firstly, when the cross-shaft type universal coupling is needed to be used, the connecting shafts 5 at two ends are manually adjusted to be of proper length, firstly, the positioning nuts 12 are unscrewed by using external wrenches to be separated from the limiting shaft pins 10, then the limiting shaft pins 10 are pulled out from the inserting holes 11, then the connecting shafts 4 are slidably adjusted in the shaft sleeve 6 through the sliding blocks 7, so that any inserting holes 11 are aligned to the inserting holes 11 on the shaft sleeve 6, the limiting shaft pins 10 are inserted into the inserting holes 11 on the shaft sleeve 6 and the inserting holes 11 on the connecting shafts 4, and finally, limiting fixation is carried out through the positioning nuts 12;
referring to the accompanying drawings 1-5 of the specification, when the device is used, when the length of the connecting shaft 4 and the length of the shaft sleeve 6 are adjusted, the sliding block 7 are arranged on the outer wall of the connecting shaft 4, the sliding groove 8 is formed in the contact position of the sliding block 7 and the shaft sleeve 6, so that the connecting shaft 4 and the shaft sleeve 6 are in sliding connection, when the length of the connecting shaft 4 and the length of the shaft sleeve 6 are adjusted, the friction range between the connecting shaft 4 and the shaft sleeve 6 can be reduced, the abrasion caused by friction can be reduced, and meanwhile, the first abrasion-resistant layer 5 and the second abrasion-resistant layer 9 are coated on the outer wall of the connecting shaft 4 and the inner wall of the shaft sleeve 6, so that the abrasion resistance of the connecting shaft 4 and the shaft sleeve 6 can be improved, the abrasion in the using process can be reduced, and the service life can be prolonged.
Claims (8)
1. The utility model provides a stand wear and tear cross shaft type universal joint, includes flange (1), cross universal joint (3), connecting axle (4), axle sleeve (6) and spacing pivot (10), its characterized in that: the top of flange (1) is provided with cover frame (2), the inside of cover frame (2) is provided with cross universal joint (3), the outer wall of connecting axle (4) is provided with first wearing layer (5), the top of connecting axle (4) is provided with axle sleeve (6), the inner wall of axle sleeve (6) is provided with second wearing layer (9), the left side of axle sleeve (6) and connecting axle (4) is run through and is provided with spacing pivot (10), the right side of spacing pivot (10) is provided with positioning nut (12).
2. A wear-resistant cross-shaft universal joint as claimed in claim 1, wherein: the sleeve frame (2) is hinged with the cross universal joint (3), and a connecting shaft (4) is arranged above the cross universal joint (3).
3. A wear-resistant cross-shaft universal joint as claimed in claim 1, wherein: the first wear-resistant layer (5) is coated on the outer wall of the connecting shaft (4), and the first wear-resistant layer (5) is made of ceramic wear-resistant paint.
4. A wear-resistant cross-shaft universal joint as claimed in claim 3, wherein: the connecting shaft (4) is in sliding connection with the shaft sleeve (6), and the center line of the connecting shaft (4) is mutually overlapped with the center line of the shaft sleeve (6).
5. A wear-resistant cross-shaft universal joint as claimed in claim 4, wherein: the outer wall of the connecting shaft (4) is provided with sliding blocks (7), the number of the sliding blocks (7) is 4, and the sliding blocks (7) are mutually symmetrical with respect to the connecting shaft (4).
6. A wear-resistant cross-shaft universal joint as claimed in claim 5, wherein: the sliding block (7) is connected with the inner wall of the shaft sleeve (6) in a sliding way, and the sliding block (7) is connected with the sliding groove (8) in a sliding way.
7. A wear-resistant cross-shaft universal joint as claimed in claim 1, wherein: the second wear-resistant layer (9) is coated on the inner wall of the connecting shaft (4), and the material of the second wear-resistant layer (9) is ceramic wear-resistant paint.
8. A wear-resistant cross-shaft universal joint as claimed in claim 1, wherein: the limiting shaft pin (10) is in threaded connection with the positioning nut (12), and a jack (11) is formed in the contact position of the limiting shaft pin (10) and the connecting shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223544684.0U CN219510041U (en) | 2022-12-29 | 2022-12-29 | Wear-resistant cross axle type universal coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223544684.0U CN219510041U (en) | 2022-12-29 | 2022-12-29 | Wear-resistant cross axle type universal coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219510041U true CN219510041U (en) | 2023-08-11 |
Family
ID=87525439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223544684.0U Active CN219510041U (en) | 2022-12-29 | 2022-12-29 | Wear-resistant cross axle type universal coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219510041U (en) |
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2022
- 2022-12-29 CN CN202223544684.0U patent/CN219510041U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |