CN221135381U - Grinding tool for precise coupling part of hydraulic valve - Google Patents
Grinding tool for precise coupling part of hydraulic valve Download PDFInfo
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- CN221135381U CN221135381U CN202323123779.XU CN202323123779U CN221135381U CN 221135381 U CN221135381 U CN 221135381U CN 202323123779 U CN202323123779 U CN 202323123779U CN 221135381 U CN221135381 U CN 221135381U
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- 230000008878 coupling Effects 0.000 title claims abstract description 19
- 238000010168 coupling process Methods 0.000 title claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 19
- 238000003754 machining Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of machining, and discloses an abrasive tool for a precise coupling of a hydraulic valve, which comprises: a rotating assembly; a self-centering shaft body; a locking member; wherein, from centering spindle body one end and rotating assembly detachable fixed connection, from centering spindle body upper cover is equipped with the stop collar, and stop collar and from centering spindle body detachable fixed connection, from centering spindle body keep away from rotating assembly's tip department and be equipped with the step axle of external screw thread structure, the epaxial cover of step is equipped with gasket and nut, and the external diameter of gasket is greater than the internal diameter of work piece, is less than the external diameter of work piece, the external diameter of nut is less than the internal diameter of work piece, evenly distributed has a plurality of spring jack posts on the circumference outer wall of centering spindle body. When the workpiece is sleeved, the inner wall of the workpiece can extrude the spring jack posts, and the balance state under the combined action of the spring jack posts is that the workpiece is collinear with the shaft of the self-centering shaft body.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a grinding tool for a precise coupling part of a hydraulic valve.
Background
When the hydraulic valve enters the final mating stage or the debugging stage, the problems of inflexible movement, large dead zone and the like caused by local burrs or local micro deformation are often caused, and the assembly is completed at the moment.
The utility model patent with publication number CN205968609U provides a technical scheme for solving the technical problems existing in the grinding process of the coupling accessories, and the technical scheme is as follows: the outer diameter of the lock nut is smaller than the inner diameter of the workpiece, the workpiece can penetrate into the positioning mandrel through the lock nut, and then the workpiece is clamped by matching the lock nut through the opening gasket, so that quick clamping is realized; the valve core moves in the valve sleeve in a relatively free state by utilizing the flexible characteristic of the neck of the flexible handle, so that the processing quality is good; workpieces with different diameters and different lengths can be clamped by replacing positioning mandrels with different inner diameters and different lengths.
The workpiece is sleeved on the positioning mandrel when being combined with the description of the text part, and then is fixed by the gasket and the lock nut, so that the workpiece and the axis of the positioning mandrel are not collinear easily, and the eccentric problem easily occurs when the workpiece is rotationally polished.
Based on this, it is necessary to design an abrasive tool for a hydraulic valve precision coupling.
Disclosure of utility model
In order to overcome the technical problems, the utility model provides a grinding tool for a precise coupling of a hydraulic valve, so as to realize the purpose of centering and clamping a workpiece.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an abrasive tool for a hydraulic valve precision coupling, comprising:
A rotating assembly;
A self-centering shaft body; and
A locking member;
the automatic centering shaft comprises a self-centering shaft body, a rotating assembly, a limiting sleeve, a step shaft, a gasket and a nut, wherein the self-centering shaft body is detachably and fixedly connected with the rotating assembly, the limiting sleeve is sleeved on the self-centering shaft body and detachably and fixedly connected with the self-centering shaft body, the step shaft is provided with an external thread structure at the end part of the self-centering shaft body far away from the rotating assembly, the gasket and the nut are sleeved on the step shaft, the outer diameter of the gasket is larger than the inner diameter of the workpiece and smaller than the outer diameter of the workpiece, and a plurality of spring jacking columns are uniformly distributed on the circumferential outer wall of the self-centering shaft body.
Preferably, the rotating assembly:
a rotating handle;
a holding cylinder; and
A connecting flange;
the holding cylinder is sleeved on the rotating handle and is rotationally connected with the rotating handle, and the connecting flange is positioned at one end of the rotating handle.
Preferably, one end of the self-centering shaft body is provided with a mounting flange, and the mounting flange is matched with the connecting flange through bolts.
Preferably, the limiting sleeve is provided with an internal threaded hole, an internal bolt is arranged in the internal threaded hole, and the internal bolt is matched with the self-centering shaft body.
Preferably, the end of the spring post extending from the circumferential outer wall of the centering shaft body is hemispherical.
Preferably, the outer diameter of the limiting sleeve is larger than the inner diameter of the workpiece and smaller than the outer diameter of the workpiece.
Preferably, the rotating handle and the holding cylinder are provided with anti-skid lines.
Compared with the prior art, the utility model has the beneficial effects that:
In the utility model, after the rotating assembly is connected with the self-centering shaft body, the rotating operation of the self-centering shaft body can be directly carried out through manual operation, so that the rotating assembly is simpler and more convenient. The limiting sleeve on the self-centering shaft body is matched with the locking piece and used for fixing workpieces with different lengths, and when the inner diameter of the workpiece is changed too much, the self-centering shaft body is replaced. In addition, the step shaft is convenient for the washer and the nut to realize locking effect, and meanwhile, the grinding operation of the workpiece is not affected. The spring jacking columns are of elastic telescopic structures, are in an elongation state in normal state, one end of each spring jacking column extends out of the circumferential outer wall of the self-centering shaft body, and after the workpiece is sleeved, the inner wall of the workpiece can extrude the spring jacking columns, and the balance state under the combined action of the plurality of spring jacking columns is that the workpiece is collinear with the shaft of the self-centering shaft body.
Drawings
FIG. 1 is a front view of an abrasive tool for a hydraulic valve precision coupling in accordance with one embodiment of the present utility model;
FIG. 2 is a side view of an abrasive tool for a hydraulic valve precision coupling according to one embodiment of the present utility model;
FIG. 3 is a view showing the internal structure of a self-centering shaft in an abrasive tool for a precision coupling of a hydraulic valve according to an embodiment of the present utility model;
Fig. 4 is a perspective view of an abrasive tool for a hydraulic valve precision coupling in accordance with one embodiment of the present utility model.
In the figure: 1. a rotating assembly; 11. a rotating handle; 12. a holding cylinder; 13. a connecting flange; 14. assembling a flange; 2. a self-centering shaft body; 3. a locking member; 4. a limit sleeve; 5. a step shaft; 6. a gasket; 7. a nut; 8. a spring jack; 9. an inner bolt.
Detailed Description
The present utility model will be described in detail below with reference to the drawings and examples.
In combination with the accompanying drawings, a grinding tool for a hydraulic valve precise matching part comprises a rotating assembly 1, a self-centering shaft body 2 and a locking part 3. Wherein, from centering spindle body 2 one end and rotating assembly 1 detachable fixed connection, from centering spindle body 2 upper cover is equipped with stop collar 4, and stop collar 4 and with from centering spindle body 2 detachable fixed connection, from centering spindle body 2 keep away from rotating assembly 1's tip department and be equipped with external screw thread structure's step axle 5, the cover is equipped with gasket 6 and nut 7 on the step axle 5, and the external diameter of gasket 6 is greater than the internal diameter of work piece, is less than the external diameter of work piece, the external diameter of nut 7 is less than the internal diameter of work piece, evenly distributed has a plurality of spring jack posts 8 on the circumference outer wall of centering spindle body 2.
Specifically, after the rotating assembly 1 is connected with the self-centering shaft body 2, the rotating operation of the self-centering shaft body 2 can be directly carried out through manual operation, so that the rotating assembly is simpler and more convenient. The limiting sleeve 4 on the self-centering shaft body 2 is matched with the locking piece 3 and used for fixing workpieces with different lengths, and when the inner diameter of the workpiece is changed too much, the self-centering shaft body 2 is replaced. In addition, the step shaft 5 is arranged so that the washer 6 and the nut 7 can realize locking effect and meanwhile the grinding operation of the workpiece is not affected. The spring jack posts 8 are elastic telescopic structures, are in an elongation state in normal state, one end of each spring jack post extends out of the circumferential outer wall of the self-centering shaft body 2, and after a workpiece is sleeved, the inner wall of the workpiece can squeeze the spring jack posts 8, and the balance state under the combined action of the plurality of spring jack posts 8 is that the workpiece is collinear with the shaft of the self-centering shaft body 2.
To facilitate the understanding of the technical solution of the application, a specific embodiment of the rotating assembly 1 is presented.
Rotating assembly 1: a stem 11, a grip barrel 12 and a connecting flange 13.
The holding cylinder 12 is sleeved on the rotating handle 11 and is rotationally connected with the rotating handle 11, and the connecting flange 13 is positioned at one end of the rotating handle 11.
The holding cylinder 12 is used for holding by hand, and the other hand rotates one end of the rotating handle 11, namely, the other end of the rotating handle 11 is driven to rotate. The connecting flange 13 is adapted for rotational connection with the self-centering shaft body 2.
Further, the self-centering shaft body 2 has a fitting flange 14 at one end, and the fitting flange 14 is screw-fitted with the connecting flange 13. The self-centering shaft body 2 can be fixed with the rotating handle 11, and the bolts can be detached, so that the self-centering shaft body 2 and the rotating handle 11 are detached, and different self-centering shaft bodies 2 can be assembled conveniently.
The limiting sleeve 4 is provided with an internal threaded hole, an internal bolt 9 is arranged in the internal threaded hole, and the internal bolt 9 is matched with the self-centering shaft body 2. When the inner bolt 9 is loosened, the limit sleeve 4 can slide on the self-centering shaft body 2, and when the inner bolt 9 is screwed down, the position of the limit sleeve 4 on the self-centering shaft body 2 is fixed.
In addition, the end of the spring post 8 that protrudes from the circumferential outer wall of the centering shaft body 2 is hemispherical. When the workpiece is contacted, the workpiece can be sleeved on the self-centering shaft body 2 with small acting force, and the spring jack post 8 is pressed down to realize self-centering.
The outer diameter of the limit sleeve 4 is larger than the inner diameter of the workpiece and smaller than the outer diameter of the workpiece. And when limiting is carried out, the interference to the grinding of the workpiece caused by the overlarge outer diameter of the limiting sleeve 4 is avoided.
The rotating handle 11 and the holding cylinder 12 are provided with anti-skid lines. The anti-slip lines are convenient for the hands to hold, and the anti-slip lines are not easy to slip and convenient for force application operation.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a number of simple variants of the technical solution of the utility model are possible, including combinations of individual specific technical features in any suitable way. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.
Claims (7)
1. An abrasive tool for a hydraulic valve precision coupling, comprising:
A rotating assembly (1);
A self-centering shaft body (2); and
A locking member (3);
The automatic centering shaft comprises a self-centering shaft body (2) and is characterized in that one end of the self-centering shaft body (2) is detachably and fixedly connected with a rotating assembly (1), a limiting sleeve (4) is sleeved on the self-centering shaft body (2), the limiting sleeve (4) is detachably and fixedly connected with the self-centering shaft body (2), a step shaft (5) with an external thread structure is arranged at the end part of the self-centering shaft body (2) far away from the rotating assembly (1), a gasket (6) and a nut (7) are sleeved on the step shaft (5), the outer diameter of the gasket (6) is larger than the inner diameter of a workpiece and smaller than the outer diameter of the workpiece, and a plurality of spring jacking columns (8) are uniformly distributed on the circumferential outer wall of the self-centering shaft body (2).
2. The abrasive tool for a precision coupling of a hydraulic valve of claim 1, wherein:
the rotating assembly (1):
A stem (11);
A grip barrel (12); and
A connecting flange (13);
The holding cylinder (12) is sleeved on the rotating handle (11) and is rotationally connected with the rotating handle (11), and the connecting flange (13) is positioned at one end of the rotating handle (11).
3. An abrasive tool for a precision coupling of a hydraulic valve according to claim 2, wherein:
One end of the self-centering shaft body (2) is provided with an assembling flange (14), and the assembling flange (14) is matched with the connecting flange (13) through bolts.
4. The abrasive tool for a precision coupling of a hydraulic valve of claim 1, wherein:
The limiting sleeve (4) is provided with an internal threaded hole, an internal bolt (9) is arranged in the internal threaded hole, and the internal bolt (9) is matched with the self-centering shaft body (2).
5. The abrasive tool for a precision coupling of a hydraulic valve of claim 1, wherein:
The end part of the spring jacking column (8) extending out of the circumferential outer wall of the centering shaft body (2) is hemispherical.
6. The abrasive tool for a precision coupling of a hydraulic valve of claim 1, wherein:
The outer diameter of the limiting sleeve (4) is larger than the inner diameter of the workpiece and smaller than the outer diameter of the workpiece.
7. An abrasive tool for a precision coupling of a hydraulic valve according to claim 2, wherein:
The rotating handle (11) and the holding cylinder (12) are provided with anti-skid lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323123779.XU CN221135381U (en) | 2023-11-20 | 2023-11-20 | Grinding tool for precise coupling part of hydraulic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323123779.XU CN221135381U (en) | 2023-11-20 | 2023-11-20 | Grinding tool for precise coupling part of hydraulic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221135381U true CN221135381U (en) | 2024-06-14 |
Family
ID=91389364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323123779.XU Active CN221135381U (en) | 2023-11-20 | 2023-11-20 | Grinding tool for precise coupling part of hydraulic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221135381U (en) |
-
2023
- 2023-11-20 CN CN202323123779.XU patent/CN221135381U/en active Active
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