CN219691871U - Wear-resistant hydraulic cylinder - Google Patents
Wear-resistant hydraulic cylinder Download PDFInfo
- Publication number
- CN219691871U CN219691871U CN202222567052.XU CN202222567052U CN219691871U CN 219691871 U CN219691871 U CN 219691871U CN 202222567052 U CN202222567052 U CN 202222567052U CN 219691871 U CN219691871 U CN 219691871U
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- CN
- China
- Prior art keywords
- cylinder
- cover
- sealing
- dustproof
- piston rod
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- 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
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 230000001050 lubricating effect Effects 0.000 claims abstract description 25
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims abstract description 7
- 238000005461 lubrication Methods 0.000 claims description 25
- 239000003921 oil Substances 0.000 description 19
- 239000004519 grease Substances 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a wear-resistant hydraulic cylinder, which comprises a cylinder bottom at the bottom, wherein a cylinder body is integrally formed at the upper end of the cylinder bottom, a cylinder cover is fixed at the upper end of the cylinder body, a piston is also slidably arranged in the cylinder body, a piston rod is also fixed at the upper end of the piston, and a mounting ring is fixed at the upper end of the piston rod; the sealing cover is fixed at the upper end of the cylinder cover through a connecting bolt and is used for limiting the movement of the piston; the lubricating mechanism is arranged at the upper end of the cylinder cover and used for lubricating the piston rod; the dustproof mechanism is arranged on the lubricating mechanism and used for preventing dust from entering the cylinder body, and the dustproof mechanism is simple in structure, can effectively improve the wear resistance of the hydraulic cylinder and can bring convenience to the technical field of the hydraulic cylinder.
Description
Technical Field
The utility model relates to the technical field of oil cylinders, in particular to a wear-resistant hydraulic oil cylinder.
Background
The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). The device has simple structure and reliable operation. When it is used to realize reciprocating motion, it can eliminate speed reducer, and has no transmission clearance and smooth motion, so that it can be widely used in hydraulic systems of various machines. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference of two sides of the effective area of the piston. At present, the existing hydraulic cylinder has the defects of poor wear resistance and short service life, and in order to solve the problems, chinese patent (issued patent number: CN207080438U, issued date: 2018.03.09) discloses a wear-resistant hydraulic cylinder, wherein the surface of a piston rod of the wear-resistant hydraulic cylinder is subjected to nickel plating and chromium plating. The nickel plating layer can prevent rust, and the chromium plating layer can improve the hardness of the surface of the piston rod and increase the wear resistance. The device has the advantages that the structure is simple, the service life of the piston rod is prolonged, the abrasion resistance of the device is limited, meanwhile, the telescopic port of the oil cylinder cannot be effectively dustproof, the piston rod cannot be lubricated, and the use requirement cannot be well met.
Disclosure of Invention
The utility model aims to provide a wear-resistant hydraulic cylinder to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a wear resistant hydraulic ram comprising: the oil cylinder body comprises a cylinder bottom at the bottom, a cylinder body is integrally formed at the upper end of the cylinder bottom, a cylinder cover is fixed at the upper end of the cylinder body, a piston is slidably arranged in the cylinder body, a piston rod is also fixed at the upper end of the piston, and a mounting ring is fixed at the upper end of the piston rod;
the sealing cover is fixed at the upper end of the cylinder cover through a connecting bolt and is used for limiting the movement of the piston;
the lubricating mechanism is arranged at the upper end of the cylinder cover and used for lubricating the piston rod;
and the dustproof mechanism is arranged on the lubricating mechanism and is used for preventing dust from entering the cylinder body.
Preferably, the lubrication mechanism comprises a lubrication box, the lubrication box is screwed on the upper end of the cylinder cover through a connecting edge thread extending from the lower end, an oil inlet is formed in the upper end of the lubrication box, an oil inlet sealing cover is screwed on the position of the oil inlet, and a plurality of lubrication holes are formed in the inner side of the lubrication box and correspond to the position of the piston rod in a distributed mode. Through setting up lubrication mechanism, be convenient for lubricate the piston rod to reduce the wearing and tearing of piston rod.
Preferably, the dustproof mechanism comprises a dustproof groove formed in the middle of the upper end of the lubrication box, a dustproof cap is screwed in the dustproof groove, and a dustproof sealing ring is arranged in the dustproof cap. Through setting up dustproof mechanism, can effective dust get into the cylinder body, the wearing and tearing of accelerating device.
Preferably, a sinking groove is formed in the upper end of the sealing cover at a position corresponding to the connecting bolt.
Preferably, the cylinder tube is arranged in the middle of the cylinder body, and the wear-resistant layers are arranged on two sides of the inner side of the cylinder tube.
Preferably, the sealing mechanism comprises a sealing groove formed in the inner side of the sealing cover, and a sealing ring is fixed in the sealing groove. By providing the sealing mechanism, the sealability of the cylinder body can be further improved.
Compared with the prior art, the utility model has the beneficial effects that: by arranging the lubrication mechanism, the piston rod is convenient to lubricate; by arranging the dustproof mechanism, dust can be prevented from entering the cylinder body. The utility model has simple structure, can effectively improve the wear resistance of the hydraulic cylinder and bring convenience to the technical field of the hydraulic cylinder.
Drawings
FIG. 1 is a schematic perspective view of a wear resistant hydraulic cylinder;
FIG. 2 is a schematic diagram of a front cross-sectional structure of a wear-resistant hydraulic cylinder;
fig. 3 is an enlarged schematic view of the structure of the a part of the wear-resistant hydraulic cylinder.
In the figure: 1-oil cylinder body, 11-cylinder body, 111-oil cylinder pipe, 112-wear-resisting layer, 12-cylinder bottom, 13-cylinder cover, 131-sealing cover, 132-sinking groove, 133-connecting bolt, 14-piston rod, 15-mounting ring, 16-piston, 17-oil pipe, 2-lubricating mechanism, 21-lubricating box, 22-oil inlet, 23-oil inlet sealing cover, 24-lubricating hole, 25-connecting edge, 3-dustproof mechanism, 31-dustproof cap, 32-dustproof groove, 33-dustproof sealing ring, 4-sealing mechanism, 41-sealing groove, 42-sealing 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. 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.
Example 1: referring to fig. 1 to 3, a wear resistant hydraulic cylinder includes: the oil cylinder body 1 comprises a cylinder bottom 11 at the bottom, a cylinder body 12 is integrally formed at the upper end of the cylinder bottom 11, a cylinder cover 13 is fixed at the upper end of the cylinder body 12, a piston 16 is also slidably installed in the cylinder body 12, a piston rod 14 is also fixed at the upper end of the piston 16, and a mounting ring 15 is fixed at the upper end of the piston rod 14; a cover 131 fixed to an upper end of the cylinder head 13 by a connecting bolt 133 for restricting movement of the piston 16; the lubrication mechanism 2 is arranged at the upper end of the cylinder cover 13 and used for lubricating the piston rod 14; the dustproof mechanism 3 is arranged on the lubricating mechanism 2 and used for preventing dust from entering the cylinder body 11, the end of the cylinder bottom 11 is also provided with an oil delivery pipe 17, and the oil delivery pipe 17 is communicated with the cylinder body 12.
The lubrication mechanism 2 comprises a lubrication box 21, the lubrication box 21 is screwed on the upper end of the cylinder cover 13 through a connecting edge 25 extending from the lower end, an oil inlet 22 is formed in the upper end of the lubrication box 21, an oil inlet sealing cover 23 is screwed on the position of the oil inlet 22, and a plurality of lubrication holes 24 are formed in the inner side of the lubrication box 21 and correspond to the position of the piston rod 14 in a distributed mode. In use, the oil inlet cover 23 is opened, lubricating grease is added to the lubricating box 21, the lubricating grease overflows through the lubricating holes 24, and when the piston rod 14 moves, the lubricating effect can be realized through the lubricating grease, so that the abrasion of the piston rod 14 is reduced.
The dustproof mechanism 3 comprises a dustproof groove 32 formed in the middle of the upper end of the lubrication box 21, a dustproof cap 31 is screwed in the dustproof groove 32, and a dustproof sealing ring 33 is arranged in the dustproof cap 31. By the dustproof seal 33, dust can be effectively prevented from entering the cylinder 11.
Wherein, a sinking groove 132 is arranged at the upper end of the cover 131 corresponding to the position of the connecting bolt 133.
The cylinder tube 111 in the middle of the cylinder body 11, and wear-resistant layers 112 are disposed on two sides of the inner side of the cylinder tube. In this embodiment, the wear-resistant layer 112 may be Nie Duceng, which can effectively improve the wear resistance of the cylinder 11.
Example 2: referring to fig. 1 to 3, a wear-resistant hydraulic cylinder is different from embodiment 1 in that the wear-resistant hydraulic cylinder further comprises a sealing mechanism 4, wherein the sealing mechanism 4 comprises a sealing groove 41 formed on the inner side of a sealing cover 131, and a sealing ring 42 is fixed in the sealing groove 41. By providing the sealing mechanism 4, the sealing effect of the cylinder 11 can be effectively improved. In the mounting, the seal ring 42 is first mounted in the seal groove 41, then the cover 131 is inserted through the piston rod 14, and then the connecting bolt 133 is mounted in the sinking groove 132, so that the cover 131 is fixed to the cylinder head 13, and the sealing of the cylinder 11 is completed.
The working principle of the utility model is as follows: during installation, firstly, the sealing ring 42 is installed in the sealing groove 41, then the sealing cover 131 is penetrated on the piston rod 14, next, the connecting bolt 133 is installed in the sinking groove 132, the sealing cover 131 is fixed on the cylinder cover 13, sealing of the cylinder body 11 is completed, then the lubricating box 21 is sleeved on the piston rod 14, then the connecting edge 25 at the lower end of the lubricating box 21 is screwed on the cylinder cover 13, the lubricating box 21 is completed, then the oil inlet sealing cover 23 is opened, lubricating grease is added to the lubricating box 21, the lubricating grease overflows through the lubricating hole 24, when the piston rod 14 moves, the lubricating effect can be realized through the lubricating grease, so that abrasion of the piston rod 14 is reduced, finally, the dustproof sealing ring 33 is installed in the dustproof cap 31, the dustproof cap 31 is sleeved on the piston rod 14, and finally, the dustproof cap 31 is screwed in the dustproof groove 32, and the installation can be completed.
In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present utility model, and do not denote any one of the components or elements of the present utility model, and are not to be construed as limiting the present utility model.
Claims (2)
1. A wear resistant hydraulic ram comprising:
the oil cylinder body (1) comprises a cylinder bottom (11) at the bottom, a cylinder body (12) is integrally formed at the upper end of the cylinder bottom (11), a cylinder cover (13) is fixed at the upper end of the cylinder body (12), a piston (16) is further slidably installed in the cylinder body (12), a piston rod (14) is further fixed at the upper end of the piston (16), and a mounting ring (15) is fixed at the upper end of the piston rod (14);
the sealing cover (131) is fixed at the upper end of the cylinder cover (13) through a connecting bolt (133) and is used for limiting the movement of the piston (16);
the lubricating mechanism (2) is arranged at the upper end of the cylinder cover (13) and is used for lubricating the piston rod (14);
a dust-proof mechanism (3) mounted on the lubrication mechanism (2) for preventing dust from entering the cylinder (11);
the lubrication mechanism (2) comprises a lubrication box (21), the lubrication box (21) is screwed on the upper end of the cylinder cover (13) through a connecting edge (25) extending from the lower end, an oil inlet (22) is formed in the upper end of the lubrication box (21), an oil inlet sealing cover (23) is screwed on the oil inlet (22) in a threaded mode, and a plurality of lubrication holes (24) are formed in the inner side of the lubrication box (21) and correspond to the position of the piston rod (14);
the dustproof mechanism (3) comprises a dustproof groove (32) formed in the middle of the upper end of the lubrication box (21), a dustproof cap (31) is screwed in the dustproof groove (32), and a dustproof sealing ring (33) is arranged in the dustproof cap (31);
a sinking groove (132) is formed in the upper end of the sealing cover (131) corresponding to the connecting bolt (133);
the cylinder body (11) intermediate position's cylinder tube (111), both sides are provided with wearing layer (112) in cylinder tube (111) inside and outside.
2. A wear resistant hydraulic ram as set forth in claim 1, wherein: the sealing mechanism (4) comprises a sealing groove (41) formed in the inner side of the sealing cover (131), and a sealing ring (42) is fixed in the sealing groove (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222567052.XU CN219691871U (en) | 2022-09-27 | 2022-09-27 | Wear-resistant hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222567052.XU CN219691871U (en) | 2022-09-27 | 2022-09-27 | Wear-resistant hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219691871U true CN219691871U (en) | 2023-09-15 |
Family
ID=87970704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222567052.XU Active CN219691871U (en) | 2022-09-27 | 2022-09-27 | Wear-resistant hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219691871U (en) |
-
2022
- 2022-09-27 CN CN202222567052.XU patent/CN219691871U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |