CN220134460U - Shaft and sleeve connection positioning structure - Google Patents
Shaft and sleeve connection positioning structure Download PDFInfo
- Publication number
- CN220134460U CN220134460U CN202320396286.4U CN202320396286U CN220134460U CN 220134460 U CN220134460 U CN 220134460U CN 202320396286 U CN202320396286 U CN 202320396286U CN 220134460 U CN220134460 U CN 220134460U
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- China
- Prior art keywords
- shaft
- positioning
- sleeve
- groove
- nut
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Links
- 210000001503 joint Anatomy 0.000 abstract description 4
- 210000002445 nipple Anatomy 0.000 description 7
- 238000012856 packing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a shaft and sleeve connection positioning structure which comprises a sleeve and a shaft rod, wherein limiting pieces for radially positioning the shaft rod are arranged on two sides of the inside of the sleeve, and positioning pieces for axially positioning the shaft rod are arranged on one side of the sleeve, wherein the shaft rod is inserted into the sleeve, and the shaft rod is radially positioned and axially positioned through the limiting pieces and the positioning pieces. The utility model can radially and axially position the shaft rod in the butt joint sleeve, and can detach the connecting sleeve after the connecting sleeve is connected with the shaft rod, thereby solving the problems that the key slot connection cannot be axially positioned and the connecting sleeve is detached after interference connection, improving the convenience in use of the connecting sleeve and the shaft rod, and having certain practicability.
Description
Technical Field
The utility model relates to a shaft and sleeve connection positioning structure.
Background
Currently, the shaft is coupled to the sleeve by a keyway or interference fit. When the shaft and the sleeve are assembled in an interference mode, the diameter of the shaft is slightly larger than that of the hole, the sleeve or the hole is heated during assembly, the shaft is placed in the sleeve or the hole after the diameter of the sleeve or the hole is enlarged, and the sleeve or the hole is cooled and restored to enable the sleeve or the hole to be firmly tightly matched with the shaft. Or the positions of the shaft and the sleeve are fixed by adopting a connecting key or a fastening screw.
Under the current service condition, with the key groove or interference fit assembly back between axle and the cover, the key groove hookup axial can't be fixed a position, can't dismantle after the interference fit to influence the follow-up use problem of axle and cover, therefore propose a axle and cover and connect location structure.
Disclosure of Invention
The utility model aims to provide a shaft and sleeve connecting and positioning structure, which solves the problems that after the shaft and the sleeve are assembled through a key groove or interference fit, the key groove is connected with the shaft and cannot be positioned axially, and the shaft and the sleeve cannot be disassembled after interference fit, so that the subsequent use of the shaft and the sleeve is affected.
In order to solve the technical problems, the utility model provides the following technical scheme: the shaft and sleeve connection positioning structure comprises a sleeve and a shaft lever, wherein two sides of the interior of the sleeve are provided with limiting pieces for radially positioning the shaft lever, one side of the sleeve is provided with a positioning piece for axially positioning the shaft lever,
the shaft rod is inserted into the connecting sleeve, and is radially positioned and axially positioned through the limiting piece and the positioning piece respectively.
Preferably, the limiting piece comprises a lining plate, the lining plate is connected to the inner periphery of the connecting sleeve through a plurality of groups of first cylindrical screws, and the shape of the lining plate is rectangular, so that the lining plate is matched with planes on two sides of the shaft rod.
Preferably, the positioning piece comprises a positioning shaft, the cross section of the positioning shaft is semi-circular, a through groove is formed on one side of the positioning shaft, a positioning pin is arranged in the through groove, a positioning hole is formed in the middle of the positioning pin,
a nail hole is formed on one end face of the positioning shaft, which is closer to the through groove, a first screw is arranged in the nail hole,
the first screw connects the locating pin inside the locating shaft through the locating hole.
Preferably, one end of the positioning shaft far away from the nail hole is connected to one side of the connecting sleeve through a nut, a second screw is arranged on one end face, close to the nut, of the positioning shaft, and the nut is fixed through the second screw connected with a second washer.
Preferably, a first washer is arranged on one side of the nut so as to tightly connect the nut and the positioning shaft.
Preferably, a slot for inserting the positioning shaft is formed in one side of the connecting sleeve, an elastic groove is formed in one side of the slot, and a spring is arranged in the elastic groove, so that the position of the positioning shaft is transversely fixed by the elastic force of the spring through the positioning pin.
Preferably, a nipple is arranged on one side of the connecting sleeve, and the nipple is connected with the inside of the connecting sleeve through an oil guide passage.
Preferably, an arc groove is formed in the periphery of the shaft rod, and the arc groove is matched with the cambered surface of the positioning shaft.
Compared with the prior art, the utility model has the beneficial effects that:
according to the positioning piece and the limiting piece, the shaft rod in the butt joint sleeve can be radially and axially positioned, meanwhile, the butt joint sleeve and the shaft rod can be detached after being connected, the problem that the key slot connection cannot be axially positioned and the key slot connection cannot be detached after interference connection is solved, the use convenience of the butt joint sleeve and the shaft rod is improved, and the positioning piece and the limiting piece have certain practicability.
Drawings
FIG. 1 is a schematic view of a longitudinal cross-section of an embodiment of the present utility model;
fig. 2 is a schematic view of a transverse cross-section structure of an embodiment of the present utility model.
In the figure: 1. a sleeve is connected; 101. a slot; 102. an elastic groove; 2. positioning a shaft; 201. a nail hole; 202. a through groove; 3. a first screw; 4. a positioning pin; 401. positioning holes; 5. a nipple; 501. an oil guide passage; 6. a spring; 7. a first gasket; 8. a nut; 9. a second gasket; 10. a second screw; 11. a first cylindrical screw; 12. a lining plate; 13. and a shaft lever.
Detailed Description
In order to solve the problems that the existing shaft and the sleeve are assembled through a key groove or interference fit, the key groove is connected with the shaft and cannot be positioned axially, and the shaft and the sleeve cannot be disassembled after interference fit, so that the subsequent use of the shaft and the sleeve is affected, the embodiment of the utility model provides a shaft and sleeve connecting and positioning structure. The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the utility model provides a shaft-sleeve connection positioning structure, which comprises a sleeve 1 and a shaft lever 13, wherein one side of the sleeve 1 is provided with a slot 101 for inserting a positioning shaft 2, one side of the slot 101 is provided with an elastic groove 102, and the inside of the elastic groove 102 is provided with a spring 6, so that the elastic force of the spring 6 transversely fixes the position of the positioning shaft 2 through a positioning pin 4; one side of the joint sleeve 1 is provided with a nipple 5, and the nipple 5 is connected with the inside of the joint sleeve 1 through an oil guide channel 501; the inside both sides of nipple 1 are provided with the locating part that carries out radial positioning to axostylus axostyle 13, and one side of nipple 1 is provided with the locating part that is used for carrying out axial positioning to axostylus axostyle 13, and the arc groove has been seted up to axostylus axostyle 13's periphery, and the arc groove mutually supports with the cambered surface of location axle 2
The shaft rod 13 is inserted into the sleeve 1, and the shaft rod 13 is radially positioned and axially positioned through a limiting piece and a positioning piece respectively;
the limiting piece comprises a lining plate 12, the lining plate 12 is connected to the inner periphery of the joint sleeve 1 through a plurality of groups of first cylindrical screws 11, and the shape of the lining plate 12 is rectangular, so that the lining plate 12 is matched with planes on two sides of the shaft rod 13;
the positioning piece comprises a positioning shaft 2, the cross section of the positioning shaft 2 is semi-circular, a through groove 202 is formed in one side of the positioning shaft 2, a positioning pin 4 is arranged in the through groove 202, a positioning hole 401 is formed in the middle of the positioning pin 4, a nail hole 201 is formed in one end face, close to the through groove 202, of the positioning shaft 2, a first screw 3 is arranged in the nail hole 201, and the positioning pin 4 is connected in the positioning shaft 2 through the positioning hole 401 by the first screw 3; one end of the positioning shaft 2, which is far away from the nail hole 201, is connected to one side of the joint sleeve 1 through a nut 8, a second screw 10 is arranged on the end surface of the positioning shaft 2, which is nearer to the nut 8, and the nut 8 is fixed by connecting the second screw 10 with a second washer 9; a first washer 7 is provided at one side of the nut 8 to tightly connect the nut 8 with the positioning shaft 2.
The utility model provides a working principle of a shaft and sleeve connection positioning structure, which comprises the following steps: when the radial positioning device is used, the shaft lever is inserted into the connecting sleeve, so that the plane of the shaft lever is attached to the lining plate, and the radial positioning of the shaft lever is realized through the lining plate;
then pass through the slot with the locating shaft, 180 rotatory locating shaft makes locating shaft excircle card go into the circular arc inslot of axle in order to realize axial positioning, later passes through logical groove with the locating pin, through first screw grafting to among the locating hole, accomplishes the fixed of locating pin, later connects the other end of locating shaft with the nut through first packing ring for the nut passes through the extrusion spring, fixes the position of locating shaft, and then passes through second screw connection second packing ring and fixes the nut.
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 (8)
1. A shaft and sleeve connection positioning structure is characterized in that: comprises a joint sleeve (1) and a shaft lever (13), wherein two sides of the interior of the joint sleeve (1) are provided with limiting parts for radially positioning the shaft lever (13), one side of the joint sleeve (1) is provided with positioning parts for axially positioning the shaft lever (13),
the shaft rod (13) is inserted into the connecting sleeve (1), and the shaft rod (13) is radially positioned and axially positioned through the limiting piece and the positioning piece respectively.
2. A shaft-to-sleeve joint positioning structure as defined in claim 1, wherein: the limiting piece comprises a lining plate (12), the lining plate (12) is connected to the inner periphery of the connecting sleeve (1) through a plurality of groups of first cylindrical screws (11), and the shape of the lining plate (12) is rectangular, so that the lining plate (12) is matched with planes on two sides of the shaft rod (13).
3. A shaft-to-sleeve joint positioning structure as defined in claim 2, wherein: the positioning piece comprises a positioning shaft (2), the cross section of the positioning shaft (2) is semi-circular, a through groove (202) is formed in one side of the positioning shaft (2), a positioning pin (4) is arranged in the through groove (202), a positioning hole (401) is formed in the middle of the positioning pin (4),
a nail hole (201) is formed in one end face, close to the through groove (202), of the positioning shaft (2), a first screw (3) is arranged in the nail hole (201),
the first screw (3) connects the locating pin (4) inside the locating shaft (2) through the locating hole (401).
4. A shaft-to-sleeve joint positioning structure as defined in claim 3, wherein: one end of the positioning shaft (2) far away from the nail hole (201) is connected to one side of the connecting sleeve (1) through a nut (8), a second screw (10) is arranged on one end face, close to the nut (8), of the positioning shaft (2), and the nut (8) is fixed by connecting the second screw (10) with a second washer (9).
5. The shaft-to-sleeve joint positioning structure of claim 4, wherein: one side of the nut (8) is provided with a first washer (7) so as to tightly connect the nut (8) with the positioning shaft (2).
6. The shaft-to-sleeve joint positioning structure of claim 5, wherein: one side of the connecting sleeve (1) is provided with a slot (101) for inserting the positioning shaft (2), one side of the slot (101) is provided with an elastic groove (102), and a spring (6) is arranged in the elastic groove (102) so that the elastic force of the spring (6) transversely fixes the position of the positioning shaft (2) through the positioning pin (4).
7. The shaft-to-sleeve joint positioning structure of claim 6, wherein: one side of the connecting sleeve (1) is provided with a glib (5), and the glib (5) is connected with the inside of the connecting sleeve (1) through an oil guide duct (501).
8. The shaft-to-sleeve joint positioning structure of claim 7, wherein: an arc groove is formed in the periphery of the shaft rod (13), and the arc groove is matched with the cambered surface of the positioning shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320396286.4U CN220134460U (en) | 2023-03-06 | 2023-03-06 | Shaft and sleeve connection positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320396286.4U CN220134460U (en) | 2023-03-06 | 2023-03-06 | Shaft and sleeve connection positioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134460U true CN220134460U (en) | 2023-12-05 |
Family
ID=88949381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320396286.4U Active CN220134460U (en) | 2023-03-06 | 2023-03-06 | Shaft and sleeve connection positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134460U (en) |
-
2023
- 2023-03-06 CN CN202320396286.4U patent/CN220134460U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |