CN220286104U - Single-piston rod type hydraulic cylinder - Google Patents
Single-piston rod type hydraulic cylinder Download PDFInfo
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- CN220286104U CN220286104U CN202321775477.8U CN202321775477U CN220286104U CN 220286104 U CN220286104 U CN 220286104U CN 202321775477 U CN202321775477 U CN 202321775477U CN 220286104 U CN220286104 U CN 220286104U
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- 238000007789 sealing Methods 0.000 claims description 41
- 230000007306 turnover Effects 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000012530 fluid Substances 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of hydraulic cylinders and discloses a single-piston rod type hydraulic cylinder which comprises a cylinder body, wherein a rear end cover is fixedly connected to the left side of the cylinder body, a front end cover is fixedly connected to the right side of the cylinder body, a piston column is arranged on the inner wall of the front end cover in a fitting mode, a piston block is fixedly connected to the left side of the piston column, the surface of the piston block is in contact with the inner wall of the cylinder body, a first oil inlet and outlet pipe is fixedly communicated with the upper surface of the rear end cover and the upper surface of the front end cover, and a transverse pipe is fixedly communicated with the top end of the first oil inlet and outlet pipe. According to the utility model, through the cooperation of the first oil inlet and outlet pipe, the transverse pipe, the connecting block, the second oil inlet and outlet pipe, the cylinder, the filter screen, the first round hole, the second round hole, the first threaded column and the first threaded cylinder, a user can disassemble and assemble the filter screen without disassembling the upper pipeline of the second oil inlet and outlet pipe, so that the user can disassemble and assemble the filter screen more conveniently.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a single-piston rod type hydraulic 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. At present, in order to prevent impurities in oil from entering a cylinder body of a hydraulic cylinder, a filter screen is usually arranged in an oil inlet and outlet pipe, impurities in the oil cannot enter the cylinder body through the oil inlet and outlet pipe through the filter screen, and the filter screen is cleaned regularly, for example, a single-piston rod type hydraulic cylinder disclosed in Chinese patent publication No. CN 216812348U. However, since the filter screen is positioned in the oil inlet and outlet pipe, when the filter screen is disassembled, the filter screen can be disassembled only after the pipeline connected to the oil inlet and outlet pipe is disassembled, so that the filter screen is troublesome in disassembly.
Disclosure of Invention
The utility model aims to solve the defects existing in the prior art, such as: at present, in order to prevent impurity in the fluid from getting into the cylinder body of pneumatic cylinder, can set up the filter screen in business turn over oil pipe generally, make impurity in the fluid unable entering cylinder body through business turn over oil pipe through the filter screen, but because the filter screen is located business turn over oil pipe to, when the dismouting filter screen, need dismantle the pipeline that is connected on the business turn over oil pipe after, just can dismouting to the filter screen, thereby lead to the filter screen comparatively troublesome when the dismouting, and a single piston rod-type pneumatic cylinder that proposes.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a single piston rod-type pneumatic cylinder, includes the cylinder body, the left side fixedly connected with rear end cap of cylinder body, the right side fixedly connected with front end housing of cylinder body, the inner wall laminating of front end housing is provided with the piston post, the left side fixedly connected with piston block of piston post, the surface and the inner wall contact of cylinder body of piston block, the first business turn over oil pipe of upper surface and front end housing of rear end cap all fixed connection, the top fixedly connected with of first business turn over oil pipe has the cross tube, the surface of cross tube, the upper surface of rear end cap and the upper surface of front end housing all fixedly connected with connecting block, the upper surface fixedly connected with second business turn over oil pipe of cross tube, the inner wall fixedly connected with sealing support of cross tube, the gas pocket has been seted up to the bottom of sealing support's left and right sides and cross tube, the bottom fixedly connected with of drum inner wall, first round hole has been seted up to the bottom of drum, the second round hole has been seted up to the upper surface of drum, the first screw thread connection of cross tube has the first screw thread of one side of keeping away from sealing support, the first screw thread connection of cross tube.
Preferably, the center of the first round hole and the center of the first oil inlet and outlet pipe are on the same vertical line, and the center of the second round hole and the second oil inlet and outlet pipe are on the same vertical line.
Preferably, the sealing support comprises a hollow block, the surface of the hollow block is fixedly connected with the inner wall of the transverse tube, sealing columns are respectively arranged on the left side and the right side of the hollow block and the side face of the cylinder in a fitting mode, the surface of the sealing columns is in contact with the inner wall of the transverse tube, a groove is formed in one side, close to the hollow block, of the sealing columns, and springs are fixedly connected to the inner wall of the groove and the inner wall of the hollow block.
Preferably, a first annular groove is formed in the surface of the sealing column, and a first sealing ring is arranged on the inner wall of the first annular groove and the inner wall of the transverse tube in a fitting mode.
Preferably, a second annular groove is formed in the surface of the cylinder, and a second sealing ring is arranged on the inner wall of the second annular groove and the inner wall of the transverse tube in a fitting mode.
Preferably, the front fixedly connected with second screw thread post of cylinder body, the surface threaded connection of second screw thread post has a second screw thread section of thick bamboo, the front fixedly connected with transparent plate of second screw thread section of thick bamboo, the laminating of the back of transparent plate, the front of second screw thread post is provided with the marking paper.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, through the matching of the first oil inlet and outlet pipe, the transverse pipe, the connecting block, the second oil inlet and outlet pipe, the cylinder, the filter screen, the first round hole, the second round hole, the first threaded column and the first threaded cylinder, a user can disassemble and assemble the filter screen under the condition that the upper pipeline of the second oil inlet and outlet pipe is not disassembled, so that the user can more conveniently disassemble and assemble the filter screen, meanwhile, after the cylinder is moved out of the transverse pipe, the sealing column is moved between the first oil inlet and outlet pipe and the second oil inlet and outlet pipe through the thrust of the spring, and the sealing column seals the first oil inlet and outlet pipe and the second oil inlet and outlet pipe, so that oil in the first oil inlet and outlet pipe and the second oil inlet and outlet pipe can not leak when the cylinder is taken out of the transverse pipe by the user.
(2) According to the utility model, the second threaded column, the second threaded cylinder, the transparent plate and the marking paper are arranged, wherein after a user cleans and re-fixes the filter screen, the date can be written on the marking paper, and the marking paper is fixed on the cylinder body through the cooperation of the second threaded column, the second threaded cylinder and the transparent plate, at the moment, the cleaning time of the filter screen is marked through the date written on the marking paper, so that the user can conveniently judge whether the filter screen needs cleaning or not.
Drawings
FIG. 1 is a schematic illustration of the structure of the present utility model;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
FIG. 3 is a front view of the structure of the present utility model;
FIG. 4 is a front view of the cylinder of the present utility model;
FIG. 5 is a bottom view of the cross tube of the present utility model;
FIG. 6 is a front view of the seal holder of the present utility model;
FIG. 7 is a cross-sectional view taken at B-B of FIG. 6 in accordance with the present utility model;
FIG. 8 is a top view of the cylinder of the present utility model;
fig. 9 is a side view of the cylinder of the present utility model.
In the figure: 1. a cylinder; 2. a rear end cover; 3. a front end cover; 4. a piston column; 5. a piston block; 6. a first oil inlet and outlet pipe; 7. a transverse tube; 8. a connecting block; 9. a second oil inlet and outlet pipe; 10. a sealing support; 101. a hollow block; 102. a sealing column; 103. a groove; 104. a spring; 11. air holes; 12. a cylinder; 13. a filter screen; 14. a first round hole; 15. a second round hole; 16. a first threaded post; 17. a first thread cylinder; 18. a first annular groove; 19. a first seal ring; 20. a second annular groove; 21. a second seal ring; 22. a second threaded post; 23. a second thread cylinder; 24. a transparent plate; 25. marking paper.
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. 1-9, a single piston rod type hydraulic cylinder comprises a cylinder body 1, a rear end cover 2 is fixedly connected to the left side of the cylinder body 1, a front end cover 3 is fixedly connected to the right side of the cylinder body 1, a piston column 4 is arranged on the inner wall of the front end cover 3 in a fitting manner, a piston block 5 is fixedly connected to the left side of the piston column 4, the surface of the piston block 5 is in contact with the inner wall of the cylinder body 1, a first oil inlet and outlet pipe 6 is fixedly communicated with the upper surface of the rear end cover 2 and the upper surface of the front end cover 3, a transverse pipe 7 is fixedly communicated with the top end of the first oil inlet and outlet pipe 6, openings are respectively formed in the left end and the right end of the transverse pipe 7, connecting blocks 8 are fixedly connected to the surface of the transverse pipe 7, a second oil inlet and outlet pipe 9 is fixedly communicated with the upper surface of the rear end cover 2 and the upper surface of the front end cover 3, a sealing support 10 is fixedly connected to the inner wall of the transverse pipe 7, an air hole 11 is formed in the bottom of the transverse pipe 7, the left side and the right side of the sealing support 10 and the inner wall of the transverse tube 7 are respectively and fixedly connected with a filter screen 13 at the bottom of the inner wall of the cylinder 12, a first round hole 14 is formed at the bottom of the cylinder 12, a second round hole 15 is formed on the upper surface of the cylinder 12, the center of the first round hole 14 is on the same vertical line with the center of the first oil inlet and outlet tube 6, the center of the second round hole 15 is on the same vertical line with the second oil inlet and outlet tube 9, when oil in the second oil inlet and outlet tube 9 enters the cylinder 1, impurities in the oil are filtered and blocked through the filter screen 13, so that the impurities in the oil can not enter the cylinder 1, a second annular groove 20 is formed on the surface of the cylinder 12, a second sealing ring 21 is respectively and fixedly connected with the inner wall of the second annular groove 20 and the inner wall of the transverse tube 7, the contact surface between the cylinder 12 and the transverse tube 7 is sealed through the second sealing ring 21, the cylinder 12 is fixedly connected with a first threaded column 16 on one side far away from the sealing support 10, a first threaded cylinder 17 is connected to the surface of the first threaded column 16 in a threaded manner, the inner wall of the first threaded cylinder 17 is fixedly connected with the surface of the transverse tube 7, and the cylinder 12 can be fixed in the transverse tube 7 through the cooperation of the first threaded column 16 and the first threaded cylinder 17.
The sealing support 10 comprises a hollow block 101, the surface of the hollow block 101 is fixedly connected with the inner wall of the transverse tube 7, sealing columns 102 are respectively and fixedly arranged on the left side and the right side of the hollow block 101 and the side face of the cylinder 12, the surface of the sealing columns 102 is contacted with the inner wall of the transverse tube 7, first annular grooves 18 are formed in the surfaces of the sealing columns 102, first sealing rings 19 are respectively and fixedly arranged on the inner walls of the first annular grooves 18 and the inner wall of the transverse tube 7, the contact surface between the sealing columns 102 and the transverse tube 7 is sealed through the first sealing rings 19, grooves 103 are formed in one side, close to the hollow block 101, of the sealing columns 102, springs 104 are respectively and fixedly connected with the inner walls of the grooves 103 and the inner wall of the hollow block 101, when the cylinder 12 is moved out of the transverse tube 7, the sealing column 102 is moved between the first oil inlet and outlet pipe 6 and the second oil inlet and outlet pipe 9 by the thrust of the spring 104 to the sealing column 102, and the first oil inlet and outlet pipe 6 and the second oil inlet and outlet pipe 9 are sealed by the sealing column 102, so that oil in the first oil inlet and outlet pipe 6 and the second oil inlet and outlet pipe 9 cannot leak when a user takes the cylinder 12 out of the transverse tube 7, meanwhile, the air hole 11 is positioned below the hollow block 101, the length of the air hole 11 is larger than that of the hollow block 101, and when the sealing column 102 horizontally moves, air inside and outside the transverse tube 7 can circulate through the air hole 11.
Embodiment two:
referring to fig. 3 to 4, the front surface of the cylinder 1 is fixedly connected with a second screw thread column 22, the surface of the second screw thread column 22 is in threaded connection with a second screw thread cylinder 23, the front surface of the second screw thread cylinder 23 is fixedly connected with a transparent plate 24, the back surface of the transparent plate 24 and the front surface of the second screw thread column 22 are respectively provided with a marking paper 25 in an attached mode, and after the filter screen 13 is cleaned and re-fixed by a user, a date can be written on the marking paper 25, and the marking paper 25 is fixed on the cylinder 1 through the cooperation of the second screw thread column 22, the second screw thread cylinder 23 and the transparent plate 24, at this time, the cleaning time of the filter screen 13 is marked through the date written on the marking paper 25, so that the user can conveniently judge whether the filter screen 13 needs cleaning or not.
In the utility model, when a user uses the hydraulic cylinder, an oil liquid pipeline is fixed on a second oil inlet and outlet pipe 9, then the piston block 5 is controlled to move left and right through circulated oil liquid, the oil liquid entering the cylinder body 1 is filtered through the filter screen 13 in the cylinder 12, when the user needs to clean the filter screen 13, the first threaded column 16 is screwed out of the first threaded column 17 through the first threaded column 16, the cylinder 12 is taken out of the transverse tube 7, the sealing column 102 is moved between the first oil inlet and outlet pipe 6 and the second oil inlet and outlet pipe 9 through the thrust of the spring 104, at the moment, the first oil inlet and outlet pipe 6 and the second oil inlet and outlet pipe 9 are sealed through the sealing column 102, then the user cleans the disassembled filter screen 13, after the filter screen 13 is cleaned, the cylinder 12 is inserted into the transverse tube 7, the filter screen 13 is fixed in the transverse tube 7 through screwing the first threaded column 16 into the first threaded column 17, and meanwhile, the first oil inlet and outlet pipe 6 and the cylinder 12 are communicated with the second oil inlet and outlet pipe 9 through the first round hole 15 and the second round hole 15 through the first oil inlet and outlet pipe 6 and the second oil inlet and the second round hole 9.
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 single piston rod-type pneumatic cylinder, includes cylinder body (1), its characterized in that, the left side fixedly connected with rear end cap (2) of cylinder body (1), the right side fixedly connected with front end cap (3) of cylinder body (1), the inner wall laminating of front end cap (3) is provided with piston column (4), the left side fixedly connected with piston block (5) of piston column (4), the surface of piston block (5) and the inner wall contact of cylinder body (1), the upper surface of rear end cap (2) and the upper surface of front end cap (3) all fixedly communicate first business turn over oil pipe (6), the top fixedly connected with cross tube (7) of first business turn over oil pipe (6), the surface of cross tube (7), the upper surface of rear end cap (2) and the upper surface of front end cap (3) all fixedly connected with connecting block (8), the upper surface fixedly connected with second business turn over oil pipe (9) of cross tube (7), the inner wall fixedly connected with seal support (10) of cross tube (7), the bottom (11) of cross tube (7) and the bottom (12) of cylinder (12) are seted up to be connected with air vent (12) on both sides, the bottom of drum (12) has seted up first round hole (14), second round hole (15) have been seted up to the upper surface of drum (12), one side fixedly connected with first screw thread post (16) of sealing support (10) are kept away from to drum (12), the surface threaded connection of first screw thread post (16) has first screw thread section of thick bamboo (17), the inner wall of first screw thread section of thick bamboo (17) is connected with the surface fastening of violently managing (7).
2. A single piston rod-type hydraulic cylinder according to claim 1, characterized in that the centre of the first circular hole (14) is on the same vertical line as the centre of the first oil inlet and outlet pipe (6), and the centre of the second circular hole (15) is on the same vertical line as the second oil inlet and outlet pipe (9).
3. The single-piston rod-type hydraulic cylinder according to claim 1, wherein the sealing support (10) comprises a hollow block (101), the surface of the hollow block (101) is fixedly connected with the inner wall of the transverse tube (7), sealing columns (102) are respectively arranged on the left side and the right side of the hollow block (101) and the side face of the cylinder (12) in a fitting mode, the surface of the sealing columns (102) is in contact with the inner wall of the transverse tube (7), a groove (103) is formed in one side, close to the hollow block (101), of the sealing columns (102), and springs (104) are fixedly connected to the inner wall of the groove (103) and the inner wall of the hollow block (101).
4. A single piston rod-type hydraulic cylinder according to claim 3, characterized in that the surface of the sealing post (102) is provided with a first annular groove (18), and the inner wall of the first annular groove (18) and the inner wall of the transverse tube (7) are both provided with a first sealing ring (19) in a fitting manner.
5. A single piston rod type hydraulic cylinder according to claim 1, characterized in that the surface of the cylinder (12) is provided with a second annular groove (20), and the inner wall of the second annular groove (20) and the inner wall of the transverse tube (7) are both provided with a second sealing ring (21) in a fitting manner.
6. The single-piston rod-type hydraulic cylinder according to claim 1, wherein the front surface of the cylinder body (1) is fixedly connected with a second threaded column (22), the surface of the second threaded column (22) is in threaded connection with a second threaded cylinder (23), the front surface of the second threaded cylinder (23) is fixedly connected with a transparent plate (24), and marking paper (25) is attached to the back surface of the transparent plate (24) and the front surface of the second threaded column (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321775477.8U CN220286104U (en) | 2023-07-06 | 2023-07-06 | Single-piston rod type hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321775477.8U CN220286104U (en) | 2023-07-06 | 2023-07-06 | Single-piston rod type hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286104U true CN220286104U (en) | 2024-01-02 |
Family
ID=89343209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321775477.8U Active CN220286104U (en) | 2023-07-06 | 2023-07-06 | Single-piston rod type hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220286104U (en) |
-
2023
- 2023-07-06 CN CN202321775477.8U patent/CN220286104U/en active Active
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