CN221591610U - Multi-stage hydraulic buffer - Google Patents
Multi-stage hydraulic buffer Download PDFInfo
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- CN221591610U CN221591610U CN202323105218.7U CN202323105218U CN221591610U CN 221591610 U CN221591610 U CN 221591610U CN 202323105218 U CN202323105218 U CN 202323105218U CN 221591610 U CN221591610 U CN 221591610U
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Abstract
The utility model relates to the technical field of hydraulic buffers, in particular to a multistage hydraulic buffer which comprises a primary cylinder body, wherein a base is arranged at the bottom of the primary cylinder body, and hydraulic oil unidirectional circulation structures are arranged on the base and the outer wall of the primary cylinder body; the hydraulic oil unidirectional circulation structure comprises a mounting seat fixedly connected to the outer walls of the base and the primary cylinder body, a mounting shell is mounted on the mounting seat, a circular unidirectional valve seat is sleeved in the mounting shell, a valve cover is mounted at one end of the unidirectional valve seat, a spring is arranged in the other end of the unidirectional valve seat, a valve ball is arranged between the spring and the valve cover, and oil inlet and outlet passages which can be aligned with the interior of the unidirectional valve seat are formed in the upper portion and the lower portion of the mounting seat; the inside of base is provided with the first hydraulic oil import and export that can align with business turn over oil passageway. The utility model can drive the one-way valve to rotate, change the one-way circulation direction, and save the number of the one-way valves and the design of additional channels and pipelines.
Description
Technical Field
The utility model relates to the technical field of hydraulic buffers, in particular to a multistage hydraulic buffer.
Background
The hydraulic buffer is a safety buffer device which is used for buffering and decelerating an object acted on the hydraulic buffer until the hydraulic buffer stops and is used for preventing a mechanism from being damaged due to hard collision in the working process.
The hydraulic oil is a medium for pushing the plunger to move, and the hydraulic oil cylinder is provided with an inlet and an outlet of the hydraulic oil, especially corresponding to two sides of the plunger, which are described conveniently, wherein in order to prevent the backflow of the hydraulic oil, a first hydraulic oil inlet, a first hydraulic oil outlet, a second hydraulic oil inlet and a second hydraulic oil outlet are respectively arranged on the right side of the plunger, the first hydraulic oil inlet and the first hydraulic oil outlet are corresponding to the right side of the plunger, the second hydraulic oil inlet and the second hydraulic oil outlet are corresponding to the left side, when the first hydraulic oil enters from the first hydraulic oil inlet and pushes the plunger to move left, the second hydraulic oil outlet is discharged from the second hydraulic oil outlet, and when the second hydraulic oil enters from the second hydraulic oil inlet and pushes the plunger to move right, the first hydraulic oil outlet is discharged from the first hydraulic oil outlet, so as to complete the left and right moving processes of the plunger.
Disclosure of utility model
The utility model aims to provide a multistage hydraulic buffer which can drive a one-way valve to rotate, change the direction of one-way circulation and save the number of the one-way valves and the design of additional channels and pipelines.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the multistage hydraulic buffer comprises a primary cylinder body, a base is arranged at the bottom of the primary cylinder body, and hydraulic oil unidirectional circulation structures are arranged on the base and the outer wall of the primary cylinder body;
The hydraulic oil unidirectional circulation structure comprises a mounting seat fixedly connected to the outer walls of the base and the primary cylinder body, a mounting shell is mounted on the mounting seat, a circular unidirectional valve seat is sleeved in the mounting shell, a valve cover is mounted at one end of the unidirectional valve seat, a spring is arranged in the other end of the unidirectional valve seat, a valve ball is arranged between the spring and the valve cover, and oil inlet and outlet passages which can be aligned with the interior of the unidirectional valve seat are formed in the upper portion and the lower portion of the mounting seat;
The novel hydraulic oil pump is characterized in that a first hydraulic oil inlet and outlet which can be aligned with the oil inlet and outlet channel is arranged in the base, the first hydraulic oil inlet and outlet is communicated with the bottom of the primary cylinder body, a second hydraulic oil inlet and outlet which can be aligned with the oil inlet and outlet channel is arranged on the outer wall of the primary cylinder body, the second hydraulic oil inlet and outlet is communicated with the inner side wall of the primary cylinder body, a double-shaft motor is mounted on the outer wall of the primary cylinder body, the output end of the double-shaft motor is connected with a rotating shaft through a coupling, and the rotating shaft penetrates into the mounting shell and is fixedly connected with a one-way valve seat.
Optionally, the mounting shell comprises two half shells, and the two half shells are connected together through bolts.
Optionally, the inside sliding contact of one-level cylinder body has one-level piston, the internally mounted of one-level piston has the second grade cylinder body, one-level cylinder cap is installed to one end that one-level cylinder body kept away from the base, one-level cylinder cap's inner wall and second grade cylinder body sliding contact.
Optionally, a secondary piston is in sliding contact with the inside of the secondary cylinder, a tertiary cylinder is installed in the secondary piston, a secondary cylinder cover is installed at one end, far away from the base, of the secondary cylinder, and the inner wall of the secondary cylinder cover is in sliding contact with the tertiary cylinder;
The inner wall of the secondary cylinder body is provided with a primary oil seepage channel, and two ends of the primary oil seepage channel are respectively communicated with the interiors of the primary cylinder body and the secondary cylinder body.
Optionally, a three-stage piston is in sliding contact with the inside of the three-stage cylinder body, a three-stage plunger is installed in the three-stage piston, a three-stage cylinder cover is installed at one end, far away from the base, of the three-stage cylinder body, and the inner wall of the three-stage cylinder cover is in sliding contact with the three-stage plunger;
the inner wall of the three-stage cylinder body is provided with a secondary oil seepage channel, and two ends of the secondary oil seepage channel are respectively communicated with the interiors of the secondary cylinder body and the three-stage cylinder body.
Optionally, the push plate is installed to the outside one end of tertiary plunger extension tertiary cylinder body, the fixed surface of push plate is connected with the blotter.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the first hydraulic oil and the second hydraulic oil can be respectively introduced and discharged through the two one-way valves capable of changing the flowing direction, the number of the one-way valves and the additional channel and pipeline design are omitted, the cost is reduced, and the hydraulic oil can be conveniently and rapidly introduced and discharged.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic cross-sectional structural view of the mounting shell of the present utility model;
FIG. 3 is a schematic side view of a half shell of the present utility model;
FIG. 4 is a schematic side view in cross-section of a check valve seat of the present utility model;
Fig. 5 is a schematic view of another cross-section of the present utility model.
In the figure: 1. a primary cylinder; 2. a base; 3. a mounting base; 4. a mounting shell; 401. a half shell; 402. a bolt; 5. a one-way valve seat; 6. a valve cover; 7. a spring; 8. a valve ball; 9. an oil inlet and outlet passage; 10. a first hydraulic oil inlet and outlet; 11. a second hydraulic oil inlet and outlet; 12. a biaxial motor; 13. a rotating shaft; 14. a primary piston; 15. a secondary cylinder; 16. a first-stage cylinder cover; 17. a secondary piston; 18. a three-stage cylinder; 19. a second-stage cylinder cover; 20. a primary oil seepage channel; 21. a secondary oil seepage channel; 22. a three-stage piston; 23. a three-stage plunger; 24. a three-stage cylinder cover; 25. a push plate; 26. and a cushion pad.
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.
Referring to fig. 1 to 5, the embodiment of the utility model provides a multi-stage hydraulic buffer, which comprises a primary cylinder 1, wherein a base 2 is installed at the bottom of the primary cylinder 1, and hydraulic oil unidirectional circulation structures are arranged on the base 2 and the outer wall of the primary cylinder 1;
The hydraulic oil unidirectional flow structure comprises a mounting seat 3 fixedly connected to the outer walls of a base 2 and a primary cylinder body 1, a mounting shell 4 is mounted on the mounting seat 3, a circular unidirectional valve seat 5 is sleeved in the mounting shell 4, the unidirectional valve seat 5 is circular in appearance and can rotate in the mounting shell 4, a valve cover 6 is mounted at one end of the unidirectional valve seat 5, a spring 7 is arranged in the other end of the unidirectional valve seat, a valve ball 8 is arranged between the spring 7 and the valve cover 6, oil inlet and outlet passages 9 which can be aligned with the interior of the unidirectional valve seat 5 are formed in the upper portion and the lower portion of the mounting seat 3, the valve ball 8 is abutted against the valve cover 6 under normal conditions due to the elasticity of the spring 7, at the moment, the valve ball 8 is in a cut-off state when hydraulic oil enters, the pressure is used for forcing the valve ball 8 to approach the direction of the spring 7, the spring 7 is compressed and separated from the valve cover 6, at the moment, and therefore, hydraulic oil can only flow in the direction of the valve cover 6 and cannot flow reversely, and the problem of unstable pressure caused by the backflow of hydraulic oil can be avoided.
The installation shell 4 comprises two half shells 401, and the two half shells 401 are connected together through bolts 402, so that the one-way valve seat 5 inside the installation shell is convenient to disassemble and assemble.
The inside of the base 2 is provided with a first hydraulic oil inlet and outlet 10 which can be aligned with the oil inlet and outlet channel 9, the first hydraulic oil inlet and outlet 10 is communicated with the bottom of the primary cylinder body 1, and the first hydraulic oil inlet and outlet 10 is used for the inlet and outlet of first hydraulic oil;
the outer wall of the primary cylinder body 1 is provided with a second hydraulic oil inlet and outlet 11 which can be aligned with the oil inlet and outlet channel 9, the second hydraulic oil inlet and outlet 11 is communicated with the inner wall of the primary cylinder body 1, and the second hydraulic oil inlet and outlet 11 is used for the inlet and outlet of second hydraulic oil;
The outer wall of the primary cylinder body 1 is provided with a double-shaft motor 12, the output end of the double-shaft motor 12 is connected with a rotating shaft 13 through a coupling, the rotating shaft 13 penetrates into the installation shell 4 and is fixedly connected with the one-way valve seat 5, and the double-shaft motor 12 drives the one-way valve seat 5 to rotate so as to adjust the one-way circulation direction of the one-way valve.
The inside of the primary cylinder body 1 is in sliding contact with a primary piston 14, a secondary cylinder body 15 is arranged in the primary piston 14, a primary cylinder cover 16 is arranged at one end of the primary cylinder body 1 far away from the base 2, and the inner wall of the primary cylinder cover 16 is in sliding contact with the secondary cylinder body 15, so that the primary cylinder body is a primary component part of the hydraulic buffer;
the inside of the secondary cylinder body 15 is in sliding contact with a secondary piston 17, a tertiary cylinder body 18 is arranged in the secondary piston 17, a secondary cylinder cover 19 is arranged at one end of the secondary cylinder body 15 far away from the base 2, and the inner wall of the secondary cylinder cover 19 is in sliding contact with the tertiary cylinder body 18;
A primary oil seepage channel 20 is arranged in the inner wall of the secondary cylinder 15, and two ends of the primary oil seepage channel 20 are respectively communicated with the interiors of the primary cylinder 1 and the secondary cylinder 15, which are secondary components of the hydraulic buffer;
The inside of the three-stage cylinder body 18 is in sliding contact with a three-stage piston 22, a three-stage plunger 23 is arranged in the three-stage piston 22, a three-stage cylinder cover 24 is arranged at one end of the three-stage cylinder body 18 far away from the base 2, and the inner wall of the three-stage cylinder cover 24 is in sliding contact with the three-stage plunger 23;
the inner wall of the three-stage cylinder body 18 is provided with a two-stage oil seepage channel 21, and two ends of the two-stage oil seepage channel 21 are respectively communicated with the interiors of the two-stage cylinder body 15 and the three-stage cylinder body 18, which is a three-stage component part of the hydraulic buffer;
The number of the cylinders can be designed according to actual demands, for example, four stages, five stages, even multiple stages and the like can be provided, and only three stages are listed in the embodiment;
The end of the tertiary plunger 23 extending out of the tertiary cylinder 18 is provided with a push plate 25, and the surface of the push plate 25 is fixedly connected with a cushion 26.
The principle of use of this embodiment: when the multi-stage hydraulic buffer stretches out, the hydraulic oil unidirectional flow structure on the base 2 is adjusted to be only in and out, namely the valve cover 6 is upward, the hydraulic oil unidirectional flow structure on the first-stage cylinder 1 is adjusted to be only out and not in, namely the valve cover 6 is downward, the first hydraulic oil enters the first-stage cylinder 1 from the first hydraulic oil inlet and outlet 10, the second-stage cylinder 15, the third-stage cylinder 18 and the third-stage plunger 23 from the bottoms, and pushes the first-stage piston 14, the second-stage piston 17 and the third-stage piston 22 to stretch out, meanwhile, the second hydraulic oil can be converged into the first-stage cylinder 1 from the second-stage oil seepage channel 21 and the first-stage oil seepage channel 20, and finally discharged from the second-stage hydraulic oil inlet and outlet 11, when the multi-stage hydraulic buffer is retracted, the hydraulic oil unidirectional flow structure on the first-stage cylinder 1 is adjusted to be only in and not out, and the second hydraulic oil unidirectional flow structure on the base 2 is adjusted to be only out and not in, and the first hydraulic oil is discharged from the first inlet and outlet 10.
It is to be understood that the above description is intended to be illustrative, and that the embodiments of the present application are not limited thereto.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Multistage hydraulic buffer, including one-level cylinder body (1), its characterized in that: a base (2) is arranged at the bottom of the primary cylinder body (1), and hydraulic oil unidirectional circulation structures are arranged on the base (2) and the outer wall of the primary cylinder body (1);
The hydraulic oil unidirectional circulation structure comprises a mounting seat (3) fixedly connected to the outer walls of a base (2) and a primary cylinder body (1), a mounting shell (4) is mounted on the mounting seat (3), a circular unidirectional valve seat (5) is sleeved in the mounting shell (4), a valve cover (6) is mounted at one end of the unidirectional valve seat (5), a spring (7) is arranged in the other end of the unidirectional valve seat, a valve ball (8) is arranged between the spring (7) and the valve cover (6), and oil inlet and outlet channels (9) which can be aligned with the unidirectional valve seat (5) are formed in the upper portion and the lower portion of the mounting seat (3);
The novel hydraulic oil pump is characterized in that a first hydraulic oil inlet and outlet (10) which can be aligned with an oil inlet and outlet channel (9) is arranged in the base (2), the first hydraulic oil inlet and outlet (10) is communicated with the bottom of the primary cylinder body (1), a second hydraulic oil inlet and outlet (11) which can be aligned with the oil inlet and outlet channel (9) is arranged on the outer wall of the primary cylinder body (1), the second hydraulic oil inlet and outlet (11) is communicated with the inner side wall of the primary cylinder body (1), a double-shaft motor (12) is arranged on the outer wall of the primary cylinder body (1), a rotating shaft (13) is connected to the output end of the double-shaft motor (12) through a coupler, and the rotating shaft (13) penetrates into the mounting shell (4) and is fixedly connected with the one-way valve seat (5).
2. The multi-stage hydraulic buffer of claim 1, wherein: the mounting shell (4) comprises two half shells (401), and the two half shells (401) are connected together through bolts (402).
3. The multi-stage hydraulic buffer of claim 1, wherein: the inside sliding contact of one-level cylinder body (1) has one-level piston (14), the internally mounted of one-level piston (14) has second grade cylinder body (15), one-level cylinder cap (16) are installed to one end that base (2) were kept away from to one-level cylinder body (1), the inner wall and the second grade cylinder body (15) sliding contact of one-level cylinder cap (16).
4. A multi-stage hydraulic buffer according to claim 3, wherein: the inside sliding contact of the secondary cylinder body (15) is provided with a secondary piston (17), the inside of the secondary piston (17) is provided with a tertiary cylinder body (18), one end of the secondary cylinder body (15) far away from the base (2) is provided with a secondary cylinder cover (19), and the inner wall of the secondary cylinder cover (19) is in sliding contact with the tertiary cylinder body (18);
The inner wall of the secondary cylinder body (15) is provided with a primary oil seepage channel (20), and two ends of the primary oil seepage channel (20) are respectively communicated with the interiors of the primary cylinder body (1) and the secondary cylinder body (15).
5. The multi-stage hydraulic buffer of claim 4, wherein: the three-stage cylinder body (18) is internally provided with a three-stage piston (22) in sliding contact, the three-stage piston (22) is internally provided with a three-stage plunger (23), one end of the three-stage cylinder body (18) far away from the base (2) is provided with a three-stage cylinder cover (24), and the inner wall of the three-stage cylinder cover (24) is in sliding contact with the three-stage plunger (23);
The inner wall of the three-stage cylinder body (18) is provided with a second-stage oil seepage channel (21), and two ends of the second-stage oil seepage channel (21) are respectively communicated with the interiors of the second-stage cylinder body (15) and the three-stage cylinder body (18).
6. The multi-stage hydraulic buffer of claim 5, wherein: one end of the tertiary plunger (23) extending out of the tertiary cylinder body (18) is provided with a push plate (25), and the surface of the push plate (25) is fixedly connected with a buffer cushion (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323105218.7U CN221591610U (en) | 2023-11-17 | 2023-11-17 | Multi-stage hydraulic buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323105218.7U CN221591610U (en) | 2023-11-17 | 2023-11-17 | Multi-stage hydraulic buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221591610U true CN221591610U (en) | 2024-08-23 |
Family
ID=92413423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323105218.7U Active CN221591610U (en) | 2023-11-17 | 2023-11-17 | Multi-stage hydraulic buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221591610U (en) |
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2023
- 2023-11-17 CN CN202323105218.7U patent/CN221591610U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Multi stage hydraulic buffer Granted publication date: 20240823 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Shanghai Yangtze River Delta Integration Demonstration Zone Branch Pledgor: Shanghai Yingsi Sensing Technology Co.,Ltd. Registration number: Y2024310001186 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20240823 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Shanghai Yangtze River Delta Integration Demonstration Zone Branch Pledgor: Shanghai Yingsi Sensing Technology Co.,Ltd. Registration number: Y2024310001186 |