CN220415879U - Hydraulic cylinder convenient for disassembling and assembling piston rod - Google Patents
Hydraulic cylinder convenient for disassembling and assembling piston rod Download PDFInfo
- Publication number
- CN220415879U CN220415879U CN202321788166.5U CN202321788166U CN220415879U CN 220415879 U CN220415879 U CN 220415879U CN 202321788166 U CN202321788166 U CN 202321788166U CN 220415879 U CN220415879 U CN 220415879U
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- hollow
- cylinder
- fixedly connected
- piston rod
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- 238000010030 laminating Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 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 relates to the technical field of hydraulic cylinders and discloses a hydraulic cylinder convenient for disassembling and assembling a piston rod, which comprises a rear end cover, wherein the inner wall of the rear end cover is fixedly connected with a cylinder body, the right side of the cylinder body is provided with a front end cover in a fitting manner, the inner wall of the front end cover is provided with a columnar piston rod in a fitting manner, the left side of the columnar piston rod is fixedly connected with a piston block, the surface of the piston block is in contact with the inner wall of the cylinder body, the upper surface of the front end cover and the upper surface of the rear end cover are fixedly communicated with oil inlet and outlet pipes, the left side of the front end cover is provided with a first groove, and the inner wall of the first groove is fixedly connected with a connecting rod. According to the utility model, the dismounting of the plurality of connecting rods can be controlled through dismounting bolts, and meanwhile, the number of bolts and screw barrels on the hydraulic cylinder is one, so that the front end cover and the cylinder body are convenient to dismount, and maintenance personnel can conveniently dismount the upper columnar piston rod of the hydraulic cylinder.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder with a piston rod convenient to disassemble and assemble.
Background
The pneumatic cylinder mainly comprises parts such as piston rod, front end housing, cylinder body, piston piece and rear end cap, for example chinese patent publication No. CN216812348U discloses a single piston rod type pneumatic cylinder, wherein, the rear end housing is fixed through welded mode with the cylinder body, fix through the cooperation of threaded connecting rod and thread groove between front end housing and the cylinder body, but because the quantity of connecting rod is more to, when the dismouting front end housing, every connecting rod all needs to rotate, and then leads to the front end housing comparatively convenient when the dismouting to inconvenient user carries out the dismouting to the piston rod in the pneumatic cylinder.
Disclosure of Invention
The utility model aims to solve the defects existing in the prior art, such as: at present, because the quantity of the connecting rods for fixing the front end cover is more, and when the front end cover is dismounted, each connecting rod needs to rotate, so that the front end cover is more convenient to dismounted when being dismounted, thereby being inconvenient for a user to dismount a piston rod in the hydraulic cylinder, and the hydraulic cylinder is convenient for dismounting the piston rod.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the hydraulic cylinder convenient for disassembling and assembling the piston rod comprises a rear end cover, wherein the inner wall of the rear end cover is fixedly connected with a cylinder body, the right side of the cylinder body is provided with a front end cover in a laminating way, the inner wall of the front end cover is provided with a columnar piston rod in a laminating way, the left side of the columnar piston rod is fixedly connected with a piston block, the surface of the piston block is contacted with the inner wall of the cylinder body, the upper surface of the front end cover and the upper surface of the rear end cover are fixedly communicated with an oil inlet and outlet pipe, the left side of the front end cover is provided with a first groove, the inner wall of the first groove is fixedly connected with a connecting rod, the right side of the rear end cover is provided with a second groove, the inner wall of the second groove is contacted with the surface of the connecting rod, an annular groove is formed in the surface of the connecting rod, the inner wall of the annular groove is provided with a fixing ring in a laminating way, the inner wall of solid fixed ring has seted up the arc wall, gu fixed ring's surface mounting has first hollow board, the left side of first hollow board and the right side contact of rear end cap, the arc hole has been seted up to the inside of first hollow board, the inner wall laminating of arc hole is provided with the cylinder, the fixed surface mounting of cylinder has the spacing ring, the left side of spacing ring and the right side contact of first hollow board, the equal fixedly connected with second hollow board of the surface of the left side of cylinder and rear end cap, the positive fixedly connected with first hollow piece of first hollow board, the inner wall laminating of first hollow piece is provided with the bolt, the surface threaded connection of bolt has a screw section of thick bamboo, the positive equal fixedly connected with second hollow piece of surface of screw section of thick bamboo and second hollow board.
Preferably, the right side of cylinder body and the inner wall of front end housing all laminate and are provided with the sealing ring.
Preferably, the inside of bolt has seted up first through-hole, the left side fixedly connected with drum of first hollow block, the second through-hole has all been seted up to the upper and lower both sides of drum, the inner wall of first through-hole and the inner wall of second through-hole all laminate and are provided with the lock post.
Preferably, the locking column comprises a hollow column, the inner wall of the first through hole and the inner wall of the second through hole are both in contact with the surface of the hollow column, and the inner wall of the hollow column is fixedly connected with a memory metal column.
Preferably, the diameter of the arc-shaped groove is equal to the diameter of the connecting rod, and the depth of the arc-shaped groove is equal to the depth of the annular groove.
Preferably, the surface of the connecting rod is fixedly connected with a reinforcing ring, and the inner wall of the reinforcing ring is in contact with the surface of the cylinder body.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the connecting rod, the second groove, the annular groove, the fixing ring, the arc groove, the first hollow plate, the arc hole, the cylinder, the limiting ring, the second hollow plate, the first hollow block, the stud, the threaded cylinder and the second hollow block are arranged, wherein after the stud is screwed in the threaded cylinder, the first hollow plate is fixed through the cooperation of the stud and the threaded cylinder, the connecting rod is fixed in the second groove through the cooperation of the fixing ring and the annular groove, after the bolt is separated from the threaded cylinder, the connecting rod can be separated from the second groove through aligning the arc groove with the connecting rod, and meanwhile, the number of the bolt and the threaded cylinder is one, so that a maintainer can control the disassembly and assembly of the connecting rods through disassembling one bolt, the disassembly and assembly between the front end cover and the cylinder body are convenient, and the maintainer can conveniently disassemble and assemble the upper columnar piston rod of the hydraulic cylinder.
(2) According to the utility model, the first through hole, the cylinder, the second through hole and the locking column are arranged, wherein after the hollow column on the locking column is inserted into the first through hole and the second through hole, the hollow column is clamped in the first through hole and the second through hole through the bent memory metal column, and the bolt is locked through the cooperation of the hollow column, the first through hole and the second through hole, so that the hydraulic cylinder cannot loosen between the bolt and the first hollow block due to vibration when being subjected to vibration.
Drawings
FIG. 1 is a schematic illustration of the structure of the present utility model;
FIG. 2 is a front view of the structure of the present utility model;
FIG. 3 is a right side view of the rear end cap of the present utility model;
FIG. 4 is a left side view of the front end cap of the present utility model;
FIG. 5 is a front view of the inventive connecting rod;
FIG. 6 is a left side view of the first hollow slab of the present utility model;
FIG. 7 is a top view of the bolt of the present utility model;
FIG. 8 is a top view of the cylinder of the present utility model;
fig. 9 is a left side view of the locking post of the present utility model.
In the figure: 1. a rear end cover; 2. a cylinder; 3. a front end cover; 4. a columnar piston rod; 5. a piston block; 6. oil inlet and outlet pipes; 7. a first groove; 8. a connecting rod; 9. a second groove; 10. an annular groove; 11. a fixing ring; 12. an arc-shaped groove; 13. a first hollow slab; 14. an arc-shaped hole; 15. a cylinder; 16. a limiting ring; 17. a second hollow slab; 18. a first hollow block; 19. a bolt; 20. a thread cylinder; 21. a second hollow block; 22. a seal ring; 23. a first through hole; 24. a cylinder; 25. a second through hole; 26. locking the column; 261. a hollow column; 262. a memory metal column; 27. and a reinforcing ring.
Detailed Description
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.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Embodiment one:
referring to fig. 1-6, a hydraulic cylinder convenient for disassembling and assembling a piston rod comprises a rear end cover 1, a cylinder body 2 is fixedly connected to the inner wall of the rear end cover 1, a front end cover 3 is arranged on the right side of the cylinder body 2 in a fitting way, a columnar piston rod 4 is arranged on the inner wall of the front end cover 3 in a fitting way, a piston block 5 is fixedly connected to the left side of the columnar piston rod 4, the surface of the piston block 5 is in contact with the inner wall of the cylinder body 2, oil inlet and outlet pipes 6 are fixedly communicated with the upper surface of the front end cover 3 and the upper surface of the rear end cover 1, a first groove 7 is formed in the left side of the front end cover 3, a connecting rod 8 is fixedly connected to the inner wall of the first groove 7, a reinforcing ring 27 is fixedly connected to the surface of the connecting rod 8, the inner wall of the reinforcing ring 27 is in contact with the surface of the cylinder body 2, a second groove 9 is formed in the right side of the rear end cover 1, the inner wall of the second groove 9 is in contact with the surface of the connecting rod 8, and the connecting rods 8 are connected together through the reinforcing ring 27, the distance between the adjacent connecting rods 8 can not be changed, further, the connecting rods 8 can not be normally inserted into the second grooves 9 due to bending of the connecting rods 8 is prevented, annular grooves 10 are formed in the surfaces of the connecting rods 8, the inner walls of the annular grooves 10 are provided with fixing rings 11 in a fitting mode, arc grooves 12 are formed in the inner walls of the fixing rings 11, the diameters of the arc grooves 12 are equal to those of the connecting rods 8, the depths of the arc grooves 12 are equal to those of the annular grooves 10, when the arc grooves 12 are staggered with the connecting rods 8, the connecting rods 8 are fixed in the second grooves 9 through the cooperation of the fixing rings 11 and the annular grooves 10, when the arc grooves 12 are aligned with the connecting rods 8, the connecting rods 8 can be directly taken out from the second grooves 9, first hollow plates 13 are fixedly connected to the surfaces of the fixing rings 11, the left sides of the first hollow plates 13 are in contact with the right sides of the rear end covers 1, the inside of first hollow plate 13 has offered arc hole 14, the laminating of the inner wall in arc hole 14 is provided with cylinder 15, the fixed surface of cylinder 15 is connected with spacing ring 16, the left side of spacing ring 16 and the right side contact of first hollow plate 13, the left side of cylinder 15 and the surface of rear end cap 1 all fixedly connected with second hollow plate 17, through the cooperation of arc hole 14, cylinder 15 and spacing ring 16, make the distance between first hollow plate 13 and the second hollow plate 17 unable change, and make first hollow plate 13 can rotate certain angle with cylinder body 2 as the center, the positive fixedly connected with first hollow block 18 of first hollow plate 13, the laminating of the inner wall of first hollow block 18 is provided with bolt 19, the surface threaded connection of bolt 19 has a screw thread section of thick bamboo 20, the surface of screw thread section of thick bamboo 20 and the positive fixedly connected with second hollow block 21 of second hollow plate 17, after the double-screw bolt is twisted in screw thread section of thick bamboo 20, through the cooperation of double-screw bolt and screw thread section of thick bamboo 20, make first hollow plate 13 unable rotation, when unscrewing from the screw bolt section of thick bamboo 20, first hollow plate 13 can rotate for certain angle behind the end cap 1.
Embodiment two:
referring to fig. 1, a seal ring 22 is provided on the right side of the cylinder 2 and on the inner wall of the front cover 3, and the contact surface between the front cover 3 and the cylinder 2 is sealed by the seal ring 22.
Embodiment III:
referring to fig. 1 to 9, a first through hole 23 is formed in the bolt 19, a cylinder 24 is fixedly connected to the left side of the first hollow block 18, second through holes 25 are formed in the upper side and the lower side of the cylinder 24, and locking posts 26 are respectively and fixedly arranged on the inner wall of the first through hole 23 and the inner wall of the second through hole 25.
The dead post 26 includes hollow post 261, the inner wall of first through-hole 23 and the inner wall of second through-hole 25 all contact with the surface of hollow post 261, the inner wall fixedly connected with memory metal post 262 of hollow post 261, through setting up first through-hole 23, drum 24, second through-hole 25 and dead post 26, wherein, after the hollow post 261 on the dead post 26 inserts in first through-hole 23 and the second through-hole 25, through the memory metal post 262 of bending, make hollow post 261 block in first through-hole 23 and second through-hole 25, and through the cooperation of hollow post 261, first through-hole 23 and second through-hole 25, lock bolt 19, and then make this pneumatic cylinder when receiving the vibration, can not lead to taking place not to become flexible between bolt 19 and the first hollow piece 18 because of the vibration, simultaneously, when memory metal post 262 straightens under the effect of external force, hollow post 261 can directly follow in first through-hole 23 and the second through-hole 25.
In the utility model, when a user dismounts a piston rod in the hydraulic cylinder, firstly unscrewing a bolt 19 from a threaded cylinder 20, then aligning an arc-shaped groove 12 with a connecting rod 8 by rotating a first hollow plate 13, when the connecting rod 8 is aligned with the arc shape, the connecting rod 8 can be directly taken out from a second groove 9, and a front end cover 3 is separated from a cylinder body 2, at the moment, the columnar piston rod 4 can be dismounted from the hydraulic cylinder, when the user installs the piston rod in the hydraulic cylinder, firstly rotating the first hollow plate 13 to align the arc-shaped groove 12 with the second groove 9, then sleeving the front end cover 3 with the columnar piston rod 4 on the cylinder body 2, inserting the connecting rod 8 into the second groove 9, then staggering the arc-shaped groove 12 with the connecting rod 8 by rotating the first hollow plate 13, bringing a fixed ring 11 into contact with the annular groove 10, then inserting the bolt 19 into the first hollow block 18, screwing the bolt 19 into the threaded cylinder 20, and fixing the first hollow block 18 into the annular groove 9, and fixing the connecting rod 8 in the annular groove 8 in the cylinder body 2 by matching the fixed ring 11 with the fixed ring 8 in the first hollow block 8 with the annular groove 3.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (6)
1. The utility model provides a pneumatic cylinder convenient to dismouting piston rod, includes rear end cap (1), a serial communication port, the inner wall fixedly connected with cylinder body (2) of rear end cap (1), the right side laminating of cylinder body (2) is provided with front end housing (3), the inner wall laminating of front end housing (3) is provided with column piston rod (4), the left side fixedly connected with piston block (5) of column piston rod (4), the surface of piston block (5) and the inner wall contact of cylinder body (2), the upper surface of front end housing (3) and the upper surface of rear end cap (1) all are fixed intercommunication have business turn over oil pipe (6), first recess (7) have been seted up on the left side of front end cap (3), the inner wall fixedly connected with connecting rod (8) of first recess (7), second recess (9) have been seted up on the right side of rear end cap (1), the inner wall and connecting rod (8) surface contact, connecting rod (8) surface has been seted up (10), the inner wall laminating of piston block (5) is provided with the inner wall contact of solid fixed ring (11), the right side of solid fixed ring (11) is seted up with hollow center groove (13) and hollow center plate (13), the novel hollow plate comprises a first hollow plate (13), wherein an arc hole (14) is formed in the first hollow plate (13), a cylinder (15) is arranged on the inner wall of the arc hole (14) in a fit mode, a limiting ring (16) is fixedly connected to the surface of the cylinder (15), the left side of the limiting ring (16) is in contact with the right side of the first hollow plate (13), a second hollow plate (17) is fixedly connected to the left side of the cylinder (15) and the surface of a rear end cover (1), a first hollow block (18) is fixedly connected to the front side of the first hollow plate (13), a bolt (19) is arranged on the inner wall of the first hollow block (18) in a fit mode, a threaded cylinder (20) is connected to the surface of the bolt (19), and a second hollow block (21) is fixedly connected to the surface of the threaded cylinder (20) and the front side of the second hollow plate (17).
2. The hydraulic cylinder with the piston rod convenient to disassemble and assemble according to claim 1, wherein a sealing ring (22) is arranged on the right side of the cylinder body (2) and the inner wall of the front end cover (3) in a fitting manner.
3. The hydraulic cylinder convenient for disassembling and assembling a piston rod according to claim 1, wherein a first through hole (23) is formed in the bolt (19), a cylinder (24) is fixedly connected to the left side of the first hollow block (18), second through holes (25) are formed in the upper side and the lower side of the cylinder (24), and locking columns (26) are respectively and fixedly arranged on the inner wall of the first through hole (23) and the inner wall of the second through hole (25).
4. A hydraulic cylinder with a piston rod convenient to disassemble and assemble according to claim 3, characterized in that the locking column (26) comprises a hollow column (261), the inner wall of the first through hole (23) and the inner wall of the second through hole (25) are both in contact with the surface of the hollow column (261), and the inner wall of the hollow column (261) is fixedly connected with a memory metal column (262).
5. A hydraulic cylinder with easy dismounting of piston rod according to claim 1, characterized in that the diameter of the arc-shaped groove (12) is equal to the diameter of the connecting rod (8), and the depth of the arc-shaped groove (12) is equal to the depth of the annular groove (10).
6. The hydraulic cylinder convenient for disassembling and assembling a piston rod according to claim 1, wherein a reinforcing ring (27) is fixedly connected to the surface of the connecting rod (8), and the inner wall of the reinforcing ring (27) is in contact with the surface of the cylinder body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321788166.5U CN220415879U (en) | 2023-07-06 | 2023-07-06 | Hydraulic cylinder convenient for disassembling and assembling piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321788166.5U CN220415879U (en) | 2023-07-06 | 2023-07-06 | Hydraulic cylinder convenient for disassembling and assembling piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220415879U true CN220415879U (en) | 2024-01-30 |
Family
ID=89651671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321788166.5U Active CN220415879U (en) | 2023-07-06 | 2023-07-06 | Hydraulic cylinder convenient for disassembling and assembling piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220415879U (en) |
-
2023
- 2023-07-06 CN CN202321788166.5U patent/CN220415879U/en active Active
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