CN220600274U - Universal shaft for connection - Google Patents
Universal shaft for connection Download PDFInfo
- Publication number
- CN220600274U CN220600274U CN202322173622.1U CN202322173622U CN220600274U CN 220600274 U CN220600274 U CN 220600274U CN 202322173622 U CN202322173622 U CN 202322173622U CN 220600274 U CN220600274 U CN 220600274U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- movable rod
- oil inlet
- piece
- universal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 230000000670 limiting effect Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 51
- 239000010687 lubricating oil Substances 0.000 description 26
- 238000005461 lubrication Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a universal shaft for connection, which comprises a universal piece, wherein one end of the universal piece is fixedly connected with a sleeve, one end of the other universal piece is fixedly connected with a movable rod, the movable rod is slidably inserted into the sleeve, and the universal piece consists of a first U-shaped connecting piece, a second U-shaped connecting piece and a cross shaft.
Description
Technical Field
The utility model relates to the technical field of universal shafts, in particular to a universal shaft for connection.
Background
The cardan shaft is a coupling shaft between the transmission and the rolls, the angle of which can be varied within a defined range. The two shafts are not on the same axis, and the continuous rotation of the two shafts can be realized under the condition of an included angle of the axes, and the torque and the motion can be reliably transmitted.
The universal shaft mainly rotates at multiple angles through the U-shaped fork pieces at two ends of the cross shaft, the connecting positions between the cross shaft and the U-shaped fork pieces are subjected to great stress, so that the friction force applied to the cross shaft and the U-shaped fork pieces during mutual rotation can be greatly increased, the cross shaft is required to be lubricated in a long time, lubricating oil is added to the connecting positions of the cross shaft and the U-shaped fork pieces from the outside in the existing lubricating mode, the lubricating oil cannot penetrate deeper, and the lubricating effect is poor and not long.
Disclosure of Invention
The present utility model is directed to a joint cardan shaft for solving the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a universal shaft for connection, includes the universal piece, the one end fixedly connected with sleeve of universal piece, another the one end fixedly connected with movable rod of universal piece, the movable rod slides and inserts to establish in telescopic inside, set up on the telescopic outer wall and extend to the oil inlet of sleeve inner wall, the universal piece comprises U type connecting piece, U type connecting piece and cross axle No. two, the both ends of the mutual symmetry of cross axle rotate respectively and connect in seting up in two of U type connecting piece a spread groove, the other both ends of cross axle rotate respectively and connect in seting up in two of U type connecting piece No. two spread grooves, no. one spread groove with all be provided with lubrication assembly in the spread groove No. two.
As a further preferable mode of the technical scheme, a first oil inlet plug is inserted in the first oil inlet hole in a sliding mode.
As a further preferable mode of the technical scheme, the lubricating assembly is composed of an oil groove and a second oil inlet plug, the inner wall of the second connecting groove is provided with the oil groove with an annular structure, the outer wall of the second U-shaped connecting piece is provided with a second oil inlet hole communicated with the oil groove, and the second oil inlet hole is internally inserted with the second oil inlet plug in a sliding mode.
As a further preferable mode of the technical scheme, a plurality of guide blocks distributed along the axial direction are fixedly connected to the outer wall of the movable rod, and guide grooves which are in sliding fit with the guide blocks are formed in the inner wall of the sleeve.
As a further preferable aspect of the present utility model, the plurality of guide blocks are annularly distributed with the axis of the movable rod as the center.
As a further preferable mode of the technical scheme, the movable rod is internally provided with a hollow groove, a limiting block is slidably installed in the hollow groove, one end, close to the sleeve, of the limiting block is fixedly connected with a connecting rod, and the other end of the connecting rod penetrates through the shaft end of the movable rod and is fixedly connected to the bottom wall of the inner cavity of the sleeve.
As a further preferable mode of the technical scheme, two ends, far away from each other, of the second U-shaped connecting piece are respectively fixedly connected with a connecting plate, the connecting plate is of an annular structure, and a plurality of annular distributed through holes are formed in the connecting plate.
The utility model provides a universal shaft for connection, which has the following beneficial effects:
according to the utility model, lubricating oil is poured into the sleeve through the first oil inlet hole, and is driven into a gap between the movable rod and the sleeve along with the reciprocating sliding of the movable rod in the sleeve, so that the purpose of lubrication is achieved, when the joint between the cross shaft and the first U-shaped connecting piece and the joint between the cross shaft and the second U-shaped connecting piece are lubricated, the lubricating oil is poured into the second oil inlet hole, and enters the oil groove along the second oil inlet hole, and because the oil groove is an annular groove, when the lubricating oil submerges the oil groove, the lubricating oil surrounds the connecting end of the cross shaft, and along with the rotation of the second U-shaped connecting piece, the lubricating oil slowly seeps out from inside to outside, so that the gap between the cross shaft and the joint between the first U-shaped connecting piece and the second U-shaped connecting piece is filled, and the lubrication effect is greatly improved, and the lubrication duration is longer.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a portion of the overall structure of the present utility model;
FIG. 3 is a schematic view of a portion of the overall structure of the present utility model;
FIG. 4 is a schematic view of a gimbal according to the present utility model;
in the figure: 1. a universal member; 2. a sleeve; 3. a movable rod; 4. a first oil inlet hole; 5. a first oil inlet plug; 6. a hollow groove; 7. a limiting block; 8. a guide block; 9. a guide groove; 10. a U-shaped connector; 11. a second U-shaped connecting piece; 12. a cross shaft; 13. a second connecting groove; 14. an oil groove; 15. a second oil inlet hole; 16. a second oil inlet plug; 17. a first connecting groove; 18. and (5) connecting a plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides the technical scheme that: as shown in fig. 1 to 4, in this embodiment, a universal shaft for connection includes a universal member 1, one end fixedly connected with sleeve 2 of the universal member 1, one end fixedly connected with movable rod 3 of another universal member 1, the movable rod 3 is slidingly inserted in the sleeve 2, an oil inlet 4 extending to the inner wall of the sleeve 2 is provided on the outer wall of the sleeve 2, the universal member 1 is composed of a U-shaped connecting member 10, a U-shaped connecting member 11 and a cross shaft 12, two symmetrical ends of the cross shaft 12 are respectively rotationally connected in two first connecting grooves 17 provided in the U-shaped connecting member 10, the other two ends of the cross shaft 12 are respectively rotationally connected in two second connecting grooves 13 provided in the U-shaped connecting member 11, and lubrication components are respectively provided in the first connecting grooves 17 and the second connecting grooves 13.
Through the cross 12 that sets up, two U type connecting pieces 11 at cardan shaft both ends can the multi-angle rotate (this is conventional technology, do not describe more), through set up oil feed hole 4 No. one on sleeve 2, oil feed hole 4 and sleeve 2's inside intercommunication, before adding lubricating oil, can outwards draw movable rod 3, make movable rod 3 not block up oil feed hole 4, can pour lubricating oil through oil feed hole 4 No. one, make lubricating oil get into sleeve 2's inside, block up oil feed hole 4 later, with movable rod 3 take out reciprocating sliding in sleeve 2, will drive lubricating oil to the gap between movable rod 3 and the sleeve 2 in, thereby reach lubricated purpose.
Wherein, the first oil inlet hole 4 is internally inserted with a first oil inlet plug 5 in a sliding way.
The lubrication assembly consists of an oil groove 14 and a second oil inlet plug 16, the inner wall of the second connecting groove 13 is provided with the oil groove 14 with an annular structure, the outer wall of the second U-shaped connecting piece 11 is provided with a second oil inlet hole 15 communicated with the oil groove 14, and the second oil inlet plug 16 is inserted in the second oil inlet hole 15 in a sliding manner.
When lubricating the joint between the cross shaft 12 and the first U-shaped connecting piece 10 and the second U-shaped connecting piece 11, referring to fig. 4, the lubricating oil is poured into the second oil inlet hole 15, and the lubricating oil enters the oil groove 14 along the second oil inlet hole 15, and because the oil groove 14 is an annular groove, when the lubricating oil submerges the oil groove 14, the lubricating oil can encircle the connecting end of the cross shaft 12, and along with the rotation of the second U-shaped connecting piece 11, the lubricating oil can slowly seep out, so that the lubricating oil can fill in the gap between the cross shaft 17 and the joint between the first U-shaped connecting piece 10 and the second U-shaped connecting piece 11, and the lubricating purpose is achieved.
The outer wall of the movable rod 3 is fixedly connected with a plurality of guide blocks 8 which are distributed along the axial direction, the guide blocks 8 are distributed in a ring shape by taking the axial lead of the movable rod 3 as the center, and the inner wall of the sleeve 2 is provided with a guide groove 9 which is in sliding fit with the guide blocks 8.
Through the guide block 8 and the guide groove 9, the movable rod 3 can not rotate when stretching.
Wherein, the inside of movable rod 3 has seted up the empty slot 6, and sliding fit has stopper 7 in the empty slot 6, and stopper 7 is close to the one end fixedly connected with connecting rod of sleeve 2, and the other end of connecting rod runs through the axle head of movable rod 3 and fixed connection is on the inner chamber diapire of sleeve 2.
Through stopper 7 and the empty slot 6 that set up, can play the limiting effect between movable rod 3 and sleeve 2, avoid movable rod 3 to drop from sleeve 2, also can play the guide effect simultaneously.
Wherein, two U type connecting pieces 11 are kept away from each other one end fixedly connected with connecting plate 18 respectively, and connecting plate 18 is annular structure, has seted up a plurality of annular through-holes that distribute on the connecting plate 18.
When the universal shaft is used for connecting other components, through holes on the connecting ends of the other components are aligned with the through holes on the connecting plate 18, and the other components are fixed through fixing bolts and nuts.
The utility model provides a universal shaft for connection, which has the following specific working principle:
through set up oil inlet 4 on sleeve 2, oil inlet 4 and sleeve 2's inside intercommunication, before adding lubricating oil, can outwards draw movable rod 3, make movable rod 3 not block up oil inlet 4, can pour lubricating oil through oil inlet 4, make lubricating oil get into sleeve 2's inside, block up oil inlet 4 afterwards, along with movable rod 3 sliding reciprocally in sleeve 2, will drive lubricating oil to the gap between movable rod 3 and sleeve 2, thereby reach lubricated purpose, when lubricated junction between cross-shaft 12 and U type connecting piece 10 and U type connecting piece 11 No. two, can refer to fig. 4, pour lubricating oil into oil inlet 15 No. two, lubricating oil can be followed oil inlet 15 and is got into oil groove 14 in, because oil groove 14 is for, when lubricating oil submergence oil groove 14, lubricating oil can encircle the link of cross-shaft 12, along with the rotation of U type connecting piece 11 No. two, thereby lubricating oil can slowly, thereby fill in cross-shaft 17 and U type connecting piece 10 and U type connecting piece No. two, thereby reach lubricated purpose in the annular groove 11.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A joint cardan shaft comprising a cardan member (1), characterized in that: the novel universal joint comprises a universal piece (1), a sleeve (2) is fixedly connected to one end of the universal piece (1), a movable rod (3) is fixedly connected to one end of the universal piece (1), the movable rod (3) is inserted into the sleeve (2) in a sliding mode, an oil inlet (4) extending to the inner wall of the sleeve (2) is formed in the outer wall of the sleeve (2), the universal piece (1) is composed of a U-shaped connecting piece (10), a U-shaped connecting piece (11) and a cross shaft (12), two symmetrical ends of the cross shaft (12) are respectively connected in two first connecting grooves (17) formed in the U-shaped connecting piece (10) in a rotating mode, the other two ends of the cross shaft (12) are respectively connected in two second connecting grooves (13) formed in the U-shaped connecting piece (11) in a rotating mode, and lubricating assemblies are respectively arranged in the first connecting grooves (17) and the second connecting grooves (13).
2. A joint cardan shaft according to claim 1, wherein: a first oil inlet plug (5) is inserted in the first oil inlet hole (4) in a sliding mode.
3. A joint cardan shaft according to claim 1, wherein: the lubricating assembly consists of an oil groove (14) and a second oil inlet plug (16), the inner wall of the second connecting groove (13) is provided with the oil groove (14) with an annular structure, the outer wall of the second U-shaped connecting piece (11) is provided with a second oil inlet hole (15) communicated with the oil groove (14), and the second oil inlet plug (16) is inserted in the second oil inlet hole (15) in a sliding manner.
4. A joint cardan shaft according to claim 1, wherein: the outer wall of the movable rod (3) is fixedly connected with a plurality of guide blocks (8) which are distributed along the axial direction, and the inner wall of the sleeve (2) is provided with guide grooves (9) which are in sliding fit with the guide blocks (8).
5. The universal joint shaft according to claim 4, wherein: the guide blocks (8) are annularly distributed with the axial lead of the movable rod (3) as the center.
6. A joint cardan shaft according to claim 1, wherein: the movable rod is characterized in that an empty groove (6) is formed in the movable rod (3), a limiting block (7) is mounted in the empty groove (6) in a sliding mode, a connecting rod is fixedly connected to one end, close to the sleeve (2), of the limiting block (7), and the other end of the connecting rod penetrates through the shaft end of the movable rod (3) and is fixedly connected to the bottom wall of the inner cavity of the sleeve (2).
7. A joint cardan shaft according to claim 1, wherein: two the one end that U type connecting piece No. two (11) kept away from each other is fixedly connected with connecting plate (18) respectively, connecting plate (18) are annular structure, a plurality of annular through-holes of distribution have been seted up on connecting plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322173622.1U CN220600274U (en) | 2023-08-11 | 2023-08-11 | Universal shaft for connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322173622.1U CN220600274U (en) | 2023-08-11 | 2023-08-11 | Universal shaft for connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220600274U true CN220600274U (en) | 2024-03-15 |
Family
ID=90168576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322173622.1U Active CN220600274U (en) | 2023-08-11 | 2023-08-11 | Universal shaft for connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220600274U (en) |
-
2023
- 2023-08-11 CN CN202322173622.1U patent/CN220600274U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |