CN219623105U - Ball cage type universal coupling - Google Patents
Ball cage type universal coupling Download PDFInfo
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- CN219623105U CN219623105U CN202320787173.7U CN202320787173U CN219623105U CN 219623105 U CN219623105 U CN 219623105U CN 202320787173 U CN202320787173 U CN 202320787173U CN 219623105 U CN219623105 U CN 219623105U
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- connecting plate
- end cover
- bearing ball
- universal coupling
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Abstract
The utility model relates to the technical field of steering parts, in particular to a ball cage type universal coupling, which solves the problems that in the prior art, when the outside of the coupling is subjected to axial force, the bearing ball and a connecting plate are in direct contact, so that the bearing ball and the connecting plate are worn greatly, and the whole coupling needs to be replaced when the coupling is replaced. The utility model provides a ball cage type universal coupling, includes the connecting plate, the right side welding of connecting plate has the adapter sleeve, and the bottom of adapter sleeve is equipped with steel ball and holding ring, and the holding ring setting is on the right side of steel ball, the right side of adapter sleeve is equipped with the end cover. The center of the bearing ball is moved to the center of the concave spherical surface of the connecting shaft, the center of the bearing ball is concentric with the spherical surface of the end head of the connecting shaft, the ball seat is additionally arranged, the center of the bearing ball is concentric with the center of the spherical surface of the end head of the ball seat, and when the bearing ball swings, the abrasion of the bearing ball can be effectively reduced, and the working stability of the bearing ball is improved.
Description
Technical Field
The utility model relates to the technical field of steering parts, in particular to a ball cage type universal coupling.
Background
At present, the ball cage universal coupling used in the oil and gas field comprises a connecting rod, a ball head, a connecting plate, a connecting sleeve, a ball seat and a bearing ball. The ball head is connected with the connecting sleeve through a steel ball, the ball head is used for processing a ball socket, the ball seat is embedded in the connecting plate, and the ball seat is subjected to impact and extrusion through the wear-resistant ball. Because of the special working environment of the oil field and the special working state of the product, the abrasion of the connecting plate and the middle ball is very serious, the service life of the coupler is lower, and the production efficiency and the economic benefit are greatly influenced by frequent replacement of the product.
The patent with publication number CN209687947U discloses an oil and gas field screw pump ball cage type universal coupling, which is contacted with an end cover through a second steel ball, when external axial force is applied, the abrasion of the connecting shaft and the end cover caused by the axial force can be reduced through the second steel ball, the noise is reduced, the service life is prolonged, and the maintenance cost is reduced.
Disclosure of Invention
The utility model aims to provide a ball cage type universal coupling, which solves the problems that in the prior art, when the outside of the coupling is subjected to axial force, the bearing ball and the connecting plate are in direct contact, so that the bearing ball and the connecting plate are worn greatly, and the whole coupling needs to be replaced when the coupling is replaced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a ball cage universal joint, includes the connecting plate, the right side welding of connecting plate has the adapter sleeve, and the bottom of adapter sleeve is equipped with steel ball and holding ring, and the holding ring sets up on the right side of steel ball, the right side of adapter sleeve is equipped with the end cover, the inside processing of connecting plate is formed with the draw-in groove, and inlays there is the ball seat in the draw-in groove, the ball seat is made by high strength wear-resistant material, the tip processing of ball seat is formed with the ball socket, has put the ball bearing in the ball socket, the right side of end cover is equipped with sealed flexible cover, the top and the bottom of sealed flexible cover are equipped with clamp and connecting axle respectively, sealed flexible cover is fixed in on end cover and the connecting axle through the clamp, the end of connecting axle is provided with the spill sphere, the central point of ball bearing keeps concentricity with the spill sphere of connecting axle end.
Preferably, the number of the steel balls is not less than 8, the steel balls are distributed around the connecting shaft in a round shape, and the steel balls are medium-high alloy steel wear-resistant casting balls.
Preferably, semicircular ball grooves are uniformly formed between the connecting plate and the connecting sleeve, and the steel balls are freely placed between the two corresponding semicircular ball grooves.
Preferably, a sealing ring is arranged at the joint of the connecting sleeve and the end cover, and the sealing ring is a PU polyurethane rubber sealing ring.
Preferably, a screw is arranged on the outer wall of the right side of the end cover, a spring pad is arranged on the right side of the screw, and the end cover is connected with the connecting sleeve through the screw.
The utility model has at least the following beneficial effects:
the center of the bearing ball is moved to the center of the concave spherical surface of the connecting shaft, the center of the bearing ball is concentric with the spherical surface of the end head of the connecting shaft, meanwhile, the ball seat is added, the center of the bearing ball is concentric with the spherical center of the end head of the ball seat, and when the bearing ball swings, the abrasion of the bearing ball can be effectively reduced, and the working stability of the bearing ball is improved.
The utility model also has the following beneficial effects:
when the ball seat and the bearing ball are damaged seriously to influence normal operation, the device can conveniently replace the ball seat and the bearing ball, so that the maintenance time can be saved, and the cost can be reduced, as the whole shaft coupling is not required to be replaced.
The utility model also has the following beneficial effects:
the structure is relatively sealed, the loss and the loss of lubricating grease are small, the steel ball and the sealing seat can be ensured to be always in a lubricating state, and the service life of the product is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the utility model at A.
In the figure: 1. a connecting plate; 2. connecting sleeves; 3. a steel ball; 4. a positioning ring; 5. a seal ring; 6. sealing the telescopic sleeve; 7. a clamp; 8. a connecting shaft; 9. a screw; 10. a spring pad; 11. an end cap; 12. a force bearing ball; 13. ball seat.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-2, a ball cage type universal coupling comprises a connecting plate 1, a connecting sleeve 2 is welded on the right side of the connecting plate 1, a steel ball 3 and a positioning ring 4 are arranged at the bottom end of the connecting sleeve 2, the positioning ring 4 is arranged on the right side of the steel ball 3, an end cover 11 is arranged on the right side of the connecting sleeve 2, a clamping groove is formed in the inner processing of the connecting plate 1, a ball seat 13 is inlaid in the clamping groove, the ball seat 13 is made of high-strength wear-resistant materials, a ball seat is formed in the end processing of the ball seat 13, a bearing ball 12 is placed in the ball seat, a sealing telescopic sleeve 6 is arranged on the right side of the end cover 11, a clamp 7 and a connecting shaft 8 are respectively arranged at the top end and the bottom end of the sealing telescopic sleeve 6, the sealing telescopic sleeve 6 is fixed on the end cover 11 and the connecting shaft 8 through the clamp 7, the end of the connecting shaft 8 is provided with a concave spherical surface, the central position of the bearing ball 12 is kept concentric with the concave spherical surface of the end of the connecting shaft 8, the function of the ball seat 13 reduces wear and impact of the bearing ball 12 and the connecting plate 1, and the whole product is not required to be replaced when the ball seat 13 is worn, and the connecting sleeve 2 and the connecting shaft 8 are subjected to strict heat treatment.
Further, the number of the steel balls 3 is not less than 8, the steel balls are distributed around the connecting shaft 8 in a round shape, and the steel balls 3 are medium-high alloy steel wear-resistant casting balls.
Furthermore, semicircular ball grooves are uniformly formed between the connecting plate 1 and the connecting sleeve 2, the steel balls 3 are freely placed between the two corresponding semicircular ball grooves and can freely move forward and backward, and when the driven end receives torque transmitted by the driving end, the steel balls 3 freely rotate, so that the driven end is driven to complete a required action.
Further, a sealing ring 5 is arranged at the joint of the connecting sleeve 2 and the end cover 11, and the sealing ring 5 is a PU polyurethane rubber sealing ring 5.
Further, a screw 9 is arranged on the outer wall of the right side of the end cover 11, a spring pad 10 is arranged on the right side of the screw 9, and the end cover 11 is connected with the connecting sleeve 2 through the screw 9.
In sum, the center position of the bearing ball 12 is moved to the center of the concave spherical surface of the connecting shaft 8 and is concentric with the spherical surface of the end head of the connecting shaft 8, meanwhile, the ball seat 13 is added, the center of the bearing ball 12 and the spherical center of the end head of the ball seat 13 are concentric, when the bearing ball 12 swings, the abrasion of the bearing ball 12 can be effectively reduced, the working stability of the bearing ball 12 is increased, the abrasion of the ball seat 13 and the bearing ball 12 seriously affects the normal working, the ball seat 13 and the bearing ball 12 can be conveniently replaced by the device, the maintenance time can be saved, the cost can be reduced, the whole shaft coupling is not required to be replaced, the structure is relatively sealed, the loss and the loss of lubricating grease are small, the condition that the steel ball 3 and the sealing seat always process lubrication can be guaranteed, and the service life of a product is prolonged.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a ball cage universal joint, its characterized in that, including connecting plate (1), the right side welding of connecting plate (1) has adapter sleeve (2), and the bottom of adapter sleeve (2) is equipped with steel ball (3) and holding ring (4), and holding ring (4) set up on the right side of steel ball (3), the right side of adapter sleeve (2) is equipped with end cover (11), the inside processing of connecting plate (1) is formed with the draw-in groove, and inlays in the draw-in groove has ball seat (13), ball seat (13) are made by high strength wear-resistant material, the tip processing of ball seat (13) is formed with the ball socket, has put bearing ball (12) in the ball socket, the right side of end cover (11) is equipped with sealed flexible cover (6), the top and the bottom of sealed flexible cover (6) are equipped with clamp (7) and connecting axle (8) respectively, sealed flexible cover (6) are fixed in on end cover (11) and connecting axle (8) through clamp (7), the end of connecting axle (8) is provided with concave sphere, the end of bearing ball (12) is kept with concave spherical surface (8) concentric with the spherical surface of concave connection end.
2. The ball cage type universal coupling according to claim 1, wherein the number of the steel balls (3) is not less than 8, the steel balls are distributed around the connecting shaft (8) in a round shape, and the steel balls (3) are medium-high alloy steel wear-resistant casting balls.
3. The ball cage universal coupling according to claim 2, wherein semicircular ball grooves are uniformly formed between the connecting plate (1) and the connecting sleeve (2), and the steel balls (3) are freely placed between two corresponding semicircular ball grooves.
4. The ball cage universal coupling according to claim 1, wherein a sealing ring (5) is arranged at the joint of the connecting sleeve (2) and the end cover (11), and the sealing ring (5) is a PU polyurethane rubber sealing ring.
5. The ball and socket universal coupling according to claim 4, wherein the outer wall of the right side of the end cover (11) is provided with a screw (9), and the right side of the screw (9) is provided with a spring pad (10), and the end cover (11) is connected with the connecting sleeve (2) through the screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320787173.7U CN219623105U (en) | 2023-04-11 | 2023-04-11 | Ball cage type universal coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320787173.7U CN219623105U (en) | 2023-04-11 | 2023-04-11 | Ball cage type universal coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219623105U true CN219623105U (en) | 2023-09-01 |
Family
ID=87794798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320787173.7U Active CN219623105U (en) | 2023-04-11 | 2023-04-11 | Ball cage type universal coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219623105U (en) |
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2023
- 2023-04-11 CN CN202320787173.7U patent/CN219623105U/en active Active
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