CN219733799U - Hydraulic cylinder piston rod tail end fixing device - Google Patents
Hydraulic cylinder piston rod tail end fixing device Download PDFInfo
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- CN219733799U CN219733799U CN202321024579.6U CN202321024579U CN219733799U CN 219733799 U CN219733799 U CN 219733799U CN 202321024579 U CN202321024579 U CN 202321024579U CN 219733799 U CN219733799 U CN 219733799U
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- hexagonal
- piston rod
- tail end
- holes
- hole
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of hydraulic piston rods, and discloses a hydraulic cylinder piston rod tail end fixing device which comprises a piston rod, a movable column and a bolt; the movable groove is formed in the tail end of the piston rod, the tail end of the piston rod is located at the front side and the rear side of the movable groove, a rotating hole is formed in the front side and the rear side of the movable groove in a penetrating mode, a hexagonal hole is formed in one side of the rotating hole, the rotating hole and the hexagonal hole are mutually communicated with the movable groove, and hexagonal blocks are integrally formed in the outer walls of the front side and the rear side of the movable column. According to the technical scheme, the fixing piece A and the fixing piece B can be flexibly switched according to the fixing structure type of the actual mechanism, the hexagonal block is only required to be moved to the rotating hole to rotate the movable column during switching, and the hexagonal column can be clamped into the hexagonal hole and fixed through the bolt after adjustment, so that the operation is convenient, stable and reliable.
Description
Technical Field
The utility model relates to the technical field of hydraulic piston rods, in particular to a hydraulic cylinder piston rod tail end fixing device.
Background
The piston rod is a connecting part for supporting the piston to do work, most of the piston rod is applied to an oil cylinder and air cylinder movement executing part, is a moving part with frequent movement and high technical requirements, takes a hydraulic oil cylinder as an example, and comprises the following components: the piston rod is generally provided with a piston at the head end and a fixing device at the tail end for driving connection of the piston rod and the mechanical structure.
However, the inventor finds that at least the following problems are not solved in the existing hydraulic cylinder piston rod tail end fixing device: most of the prior hydraulic cylinder piston rod tail end fixing devices are fixedly welded on the piston rod, the suitability of the piston rod and a mechanical mechanism is often poor, when the fixing piece is not matched with the mechanical connection position, the connecting piece is generally required to be arranged for completing connection, the connection is not flexible enough, the connecting pieces with different structures can not be flexibly switched according to actual conditions for use, and improvement is needed urgently, so that the hydraulic cylinder piston rod tail end fixing device is provided.
Disclosure of Invention
The utility model aims to provide a device for fixing the tail end of a piston rod of a hydraulic cylinder, which solves the problems in the background art.
The embodiment of the utility model provides a hydraulic cylinder piston rod tail end fixing device which comprises a piston rod, a movable column and a bolt;
the movable groove is formed in the tail end of the piston rod, rotating holes are formed in the tail end of the piston rod and located on the front side and the rear side of the movable groove in a penetrating mode, hexagonal holes are formed in one side of each rotating hole, the rotating holes and the hexagonal holes are communicated with each other, the rotating holes and the hexagonal holes are communicated with the movable groove, hexagonal blocks are integrally formed in the outer walls of the front side and the rear side of the movable column, the hexagonal blocks are arranged in the hexagonal holes, and the movable column is installed in the movable groove through the hexagonal blocks;
screw holes are symmetrically formed in the upper side and the lower side of the hexagonal block, through holes are longitudinally formed in the two sides of the top of the tail end of the piston rod, the through holes are communicated with the hexagonal holes, and the bolts are longitudinally inserted into the through holes;
the movable column is characterized in that a fixing piece A is integrally formed on one side of the movable column, and a fixing piece B is integrally formed on the other side of the movable column.
Through adopting above-mentioned technical scheme, can select suitable mounting to use according to actual mechanism's fixed knot structure type, its mounting A and mounting B can nimble switch the use, only need during the switch with hexagonal piece remove the rotatory movable column in the swivel hole can, adjust after the completion hexagonal column can block into the hexagonal downthehole and through the bolt fastening, therefore the simple operation, reliable and stable.
Optionally, a mounting hole is formed in the fixing piece A, and a fixing bolt is arranged at the other end of the fixing piece B.
By adopting the technical scheme, the connecting piece A or the connecting piece B can be conveniently fixedly connected with the mechanical structure.
Optionally, the piston rod other end detachably installs the piston.
By adopting the technical scheme, the piston rod can be conveniently positioned in the oil cylinder to stretch out and draw back.
Optionally, the hexagonal block is slidably mounted in the hexagonal hole.
By adopting the technical scheme, the hexagonal block can conveniently move into the rotating hole to rotate.
Optionally, the bottom of the bolt is rotatably installed in the screw hole.
By adopting the technical scheme, the fixing and limiting work of the hexagonal block in the hexagonal hole can be facilitated.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
according to the technical scheme, the movable column can be rotated by rotating the hexagonal block in the rotating hole, so that the fixing part A or the fixing part B is adjusted to be used fixedly, the type of a fixing mechanism can be switched according to actual conditions, the applicability of tail end fixing and mounting is greatly improved, the adjusting mode is simple and convenient, the hexagonal block can be directly clamped into the hexagonal hole after being adjusted and fixed through the bolt, the movable column cannot be rotated, the stability and the integral strength are reliable, and the fixing part A or the fixing part B can be used for manufacturing different types of connecting structures according to requirements.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the whole structure of a hydraulic cylinder piston rod tail end fixing device according to the present utility model;
FIG. 2 is a schematic top view of a hydraulic cylinder piston rod tail end fixing device according to the present utility model;
fig. 3 is a schematic top view of a movable column and a hexagonal block of a hydraulic cylinder piston rod tail end fixing device according to the present utility model.
In the figure: 1. a piston rod; 11. a turning hole; 12. hexagonal holes; 13. a piston; 14. a movable groove; 15. perforating; 2. a movable column; 21. hexagonal blocks; 22. a fixing member A; 23. a mounting hole; 24. a fixing member B; 25. a fixing bolt; 26. a screw hole; 3. and (5) a bolt.
Detailed Description
Referring to fig. 1-3, the present utility model provides a technical solution: a hydraulic cylinder piston rod tail end fixing device comprises a piston rod 1, a movable column 2 and a bolt 3;
the inner part of the tail end of the piston rod 1 is provided with a movable groove 14, the tail end of the piston rod 1 is positioned at the front side and the rear side of the movable groove 14, a rotating hole 11 is penetrated and arranged at one side of the rotating hole 11, a hexagonal hole 12 is formed in a penetrating way, the rotating hole 11 and the hexagonal hole 12 are mutually penetrated and communicated with the movable groove 14, the outer walls of the front side and the rear side of the movable column 2 are integrally formed with hexagonal blocks 21, the hexagonal blocks 21 are arranged in the hexagonal hole 12, and the movable column 2 is arranged in the movable groove 14 through the hexagonal blocks 21;
in this technical scheme, the hexagonal block 21 is located in the hexagonal hole 12 and cannot rotate, and the hexagonal block 21 can be moved into the rotating hole 11 by moving the hexagonal block 21 leftwards, and when the hexagonal block 21 moves into the rotating hole 11, the hexagonal block can rotate, and at the moment, the movable column 2 can be located in the movable groove 14 to rotate;
screw holes 26 are symmetrically formed in the upper side and the lower side of the hexagonal block 21, through holes 15 are longitudinally formed in the two sides of the top of the tail end of the piston rod 1, the through holes 15 are communicated with the hexagonal holes 12, and the bolts 3 are longitudinally inserted into the through holes 15;
in the technical scheme, the bolt 3 is inserted into the through hole 15 and then can be positioned in the screw hole 26 to rotate, and at the moment, the fixing work of the hexagonal block 21 in the hexagonal hole 12 can be realized;
a fixing piece A22 is integrally formed on one side of the movable column 2, and a fixing piece B24 is integrally formed on the other side of the movable column 2;
in this technical scheme, fixing pieces with different structures can be arranged on the fixing piece A22 and the fixing piece B24, so that the fixing device is applicable to fixing work with different connection modes.
In some technical solutions, as shown in fig. 2, a mounting hole 23 is formed in a fixing member a22, and a fixing bolt 25 is disposed at the other end of a fixing member B24; in use, the fixing element a22 can be fixedly connected to the device via the mounting hole 33, while the fixing element B24 can be fixedly connected to the device in another connection manner via the fixing bolt 25.
In some technical schemes, as shown in fig. 1, the other end of the piston rod 1 is detachably provided with a piston 13; when in use, the piston 13 can be positioned in the oil cylinder to move to realize the expansion and contraction.
In some embodiments, as shown in fig. 1, the hexagonal block 21 is slidably mounted in the hexagonal hole 12; when in use, the hexagonal block 21 is positioned in the hexagonal hole 12 to slide left and right so as to realize the switching of the fixed or rotating modes of the hexagonal block 21.
In some technical solutions, as shown in fig. 1 and 3, the bottom of the bolt 3 is rotatably installed in the screw hole 26; when in use, the fixing and limiting work of the hexagonal block 12 can be completed through the rotation and fixation of the bottom of the bolt 3 in the screw hole 26.
When the fixing device is used, the movable column 2 can be driven to rotate in the movable groove 14 by rotating the hexagonal block 21 in the rotary hole 11, at the moment, the fixing piece A22 or the fixing piece B24 can be adjusted to face outwards, a corresponding proper fixing piece can be selected according to the type of a mechanism actually needed to be connected, the fixing piece A22 can be rotated to face outwards after being selected, then the movable column 2 is pulled to move outwards, at the moment, the hexagonal block 21 can be clamped into the hexagonal hole 12, then the bolt 3 is inserted from the through hole 15 and the tail end of the bolt 3 is positioned in the screw hole 26 for rotation fixing, at the moment, the fixing limiting work of the hexagonal block 21 in the hexagonal hole 12 can be completed, the mounting hole 23 is formed in the fixing piece A22 and used for being connected with a mechanical mechanism, the fixing bolt 25 is arranged on the fixing piece B24 and the connecting mechanisms on the fixing piece A22 and the fixing piece B24 can be produced according to the actual use condition.
Claims (5)
1. The utility model provides a hydraulic cylinder piston rod tail end fixing device which characterized in that: comprises a piston rod (1), a movable column (2) and a bolt (3);
the movable groove (14) is formed in the tail end of the piston rod (1), rotating holes (11) are formed in the tail end of the piston rod (1) and located on the front side and the rear side of the movable groove (14) in a penetrating mode, hexagonal holes (12) are formed in one side of each rotating hole (11), the rotating holes (11) are mutually communicated with the hexagonal holes (12), the rotating holes (11) and the hexagonal holes (12) are mutually communicated with the movable groove (14), hexagonal blocks (21) are integrally formed in the outer walls of the front side and the rear side of the movable column (2), the hexagonal blocks (21) are arranged in the hexagonal holes (12), and the movable column (2) is installed in the movable groove (14) through the hexagonal blocks (21);
screw holes (26) are symmetrically formed in the upper side and the lower side of the hexagonal block (21), through holes (15) are longitudinally formed in the two sides of the top of the tail end of the piston rod (1), the through holes (15) are communicated with the hexagonal holes (12), and the bolts (3) are longitudinally inserted into the through holes (15);
one side of the movable column (2) is integrally formed with a fixing piece A (22), and the other side of the movable column (2) is integrally formed with a fixing piece B (24).
2. The device for fixing the tail end of the piston rod of the hydraulic cylinder according to claim 1, wherein a mounting hole (23) is formed in the fixing piece A (22), and a fixing bolt (25) is arranged at the other end of the fixing piece B (24).
3. A hydraulic cylinder piston rod tail end fixing device according to claim 1, characterized in that the piston rod (1) is detachably provided with a piston (13) at the other end.
4. A hydraulic cylinder piston rod tail end fixing device according to claim 1, characterized in that the hexagonal block (21) is slidably mounted in the hexagonal hole (12).
5. The hydraulic cylinder piston rod tail end fixing device according to claim 1, wherein the bottom of the bolt (3) is rotatably arranged in the screw hole (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024579.6U CN219733799U (en) | 2023-05-04 | 2023-05-04 | Hydraulic cylinder piston rod tail end fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024579.6U CN219733799U (en) | 2023-05-04 | 2023-05-04 | Hydraulic cylinder piston rod tail end fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733799U true CN219733799U (en) | 2023-09-22 |
Family
ID=88032183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321024579.6U Active CN219733799U (en) | 2023-05-04 | 2023-05-04 | Hydraulic cylinder piston rod tail end fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733799U (en) |
-
2023
- 2023-05-04 CN CN202321024579.6U patent/CN219733799U/en active Active
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