CN211693030U - Leak-proof check oil cylinder - Google Patents
Leak-proof check oil cylinder Download PDFInfo
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- CN211693030U CN211693030U CN201921990534.8U CN201921990534U CN211693030U CN 211693030 U CN211693030 U CN 211693030U CN 201921990534 U CN201921990534 U CN 201921990534U CN 211693030 U CN211693030 U CN 211693030U
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Abstract
The utility model discloses a leak protection non-return oil cylinder, including cylinder, cylinder end and check valve, the outside upper end of cylinder is provided with the fixed block, and the outside lower extreme of cylinder is fixed with down the fixed block, the upper end of fixed block is fixed with the pillar down, and the upper and lower both ends of pillar are fixed with the gim peg, the lower extreme of cylinder is fixed with the cylinder end, and the lower extreme outside of cylinder is provided with first business turn over hydraulic fluid port, the inboard of first business turn over hydraulic fluid port is fixed with the check valve, the upper end outside of cylinder is provided with second business turn over hydraulic fluid port, and the cylinder inboard is provided with the piston rod. This leak protection check cylinder is provided with the check valve, and the check valve outside laminating is inboard in first business turn over hydraulic fluid port, and the fastness of connecting between the two can be guaranteed to the check valve of laminating each other and first business turn over hydraulic fluid port, can not appear becoming flexible the condition that leads to the oil leak, and the check valve can effectively prevent that the inside hydraulic oil of hydro-cylinder from leaking outward simultaneously, the in-service use effect of this hydro-cylinder of greatly increased.
Description
Technical Field
The utility model relates to a hydro-cylinder device technical field specifically is a leak protection non-return oil cylinder.
Background
The oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion or swinging motion. It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems.
The oil cylinder on the market does not have the condition that the structure of non-return oil leakage leads to long-time use of the inside hydraulic oil of oil cylinder to have outer leakage, is not convenient for clear up, and long-time attached to the outer wall still can cause the influence to the actual service life who has the oil cylinder, and the dustproof effect of oil cylinder is relatively poor simultaneously, leads to the inside dust that gets into easily of oil cylinder, influences work efficiency's problem, for this reason, we provide a leak protection non-return oil cylinder
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydro-cylinder is only stopped in leak protection to the hydro-cylinder that proposes does not have the structure of ending the oil leak among the solution above-mentioned background art and leads to long-time the inside hydraulic oil of use hydro-cylinder to have the condition of leaking outward, and the clearance of being not convenient for is attached to for a long time the outer wall and still can cause the influence to the actual life who has the hydro-cylinder, and the dustproof effect of hydro-cylinder is relatively poor simultaneously, leads to the inside dust that gets into easily of hydro-cylinder, influences work efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: a leakproof check oil cylinder comprises a cylinder barrel, a cylinder bottom and a check valve, wherein an upper fixing block is arranged at the upper end of the outer side of the cylinder barrel, a lower fixing block is fixed at the lower end of the outer side of the cylinder barrel, a pillar is fixed at the upper end of the lower fixing block, fixing bolts are fixed at the upper end and the lower end of the pillar, the cylinder bottom is fixed at the lower end of the cylinder barrel, a first oil inlet and outlet is formed in the outer side of the lower end of the cylinder barrel, the check valve is fixed at the inner side of the first oil inlet and outlet, a second oil inlet and outlet is formed in the outer side of the upper end of the cylinder barrel, a piston rod is arranged on the inner side of the cylinder barrel, a buffer plunger is arranged at the bottom of the piston rod, a spring retainer ring is arranged at the upper end of the buffer plunger, a retainer ring is arranged at the upper end of the spring retainer ring, the lower extreme of piston is fixed with the bolt, the upper end outside of piston rod is provided with the uide bushing, and the upper end outside of uide bushing is provided with the second sealing washer, the upper end of cylinder is fixed with the end cover, and the inboard of end cover is provided with first dust ring, the upper end outside of end cover is fixed with the fixed column.
Preferably, the pillars are vertically distributed between the upper fixing block and the lower fixing block, and a frame structure is formed among the pillars, the upper fixing block and the lower fixing block.
Preferably, the outer side of the check valve is attached to the inner side of the first oil inlet/outlet, and a check and leakage-proof structure is formed between the check valve and the first oil inlet/outlet.
Preferably, the bolts penetrate through the bottom of the piston, and five bolts are arranged.
Preferably, the guide sleeve and the piston rod are concentrically distributed, and the guide sleeve and the piston rod are in sliding connection.
Preferably, the first dust ring and the end cover are distributed horizontally, and the first dust ring and the end cover form an embedded structure.
Preferably, the outer side of the upper end of the piston rod is provided with threads, the outer side of the threads is connected with an ear ring sleeve, the upper end of the ear ring sleeve is connected with an ear ring, and the inner side of the ear ring is provided with a second dust ring.
Preferably, the threads are uniformly distributed on the outer side of the upper end of the piston rod, and a detachable structure is formed between the piston rod and the earring sleeve.
Compared with the prior art, the beneficial effects of the utility model are that: the leakproof non-return oil cylinder is provided with fixing columns, the fixing columns are vertically distributed between the upper fixing block and the lower fixing block, the fixing columns vertically distributed between the upper fixing block and the lower fixing block can protect the safety of the oil cylinder in the working process, the potential safety hazard problem caused by deformation due to impact of foreign objects is avoided, meanwhile, the firmness of connection between the frame type structures is greatly improved, and the actual service life of the oil cylinder is prolonged;
the outer side of the check valve is attached to the inner side of the first oil inlet and outlet, the check valve and the first oil inlet and outlet which are attached to each other can ensure the firmness of connection between the check valve and the first oil inlet and outlet, the oil leakage caused by looseness cannot occur, meanwhile, the check valve can effectively prevent hydraulic oil in the oil cylinder from leaking outwards, and the actual using effect of the oil cylinder is greatly improved;
the bolts penetrate through the bottom of the piston, the firmness of connection between the piston and the piston rod can be guaranteed through the bolts penetrating through the bottom of the piston, the situation that working efficiency is affected due to looseness during working is avoided, meanwhile, the five bolts not only achieve the effect of effective fixation, but also provide convenience for later-stage disassembly, and the interior of the oil cylinder can be cleaned, and the piston and internal parts can be replaced;
the guide sleeve and the piston rod are concentrically distributed, the guide sleeve and the piston rod which are concentrically distributed can ensure the position accuracy of the piston rod when the piston rod is pushed, the condition that the work is influenced by shaking is avoided, meanwhile, the sliding connection between the guide sleeve and the piston rod reduces the friction force between the guide sleeve and the piston rod, and the working efficiency of the oil cylinder is greatly improved;
the first dust ring and the end cover are distributed horizontally, the first dust ring and the end cover which are distributed horizontally can ensure the firmness and tightness of the connection of the first dust ring, prevent dust from entering the cylinder body during the working process and influencing the use efficiency and the service life of the cylinder body, and meanwhile, the embedded structure greatly prolongs the actual service life of the oil cylinder;
the screw thread evenly distributed is in the piston rod upper end outside, and the screw thread that sets up in the piston rod upper end outside makes and reaches the detachable structure between piston rod and the earring cover, can follow the not earring of equidimension with changing according to the in service behavior of reality like this to reach best in-service use effect, make the application range greatly increased of this hydro-cylinder.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
fig. 3 is a schematic view of the bottom structure of the piston of the present invention.
In the figure: 1. a cylinder barrel; 2. an upper fixed block; 3. a lower fixed block; 4. a pillar; 5. a fixing bolt; 6. a cylinder bottom; 7. a first oil inlet and outlet; 8. a non-return valve; 9. a second oil inlet and outlet; 10. a piston rod; 11. a buffer plunger; 12. a spring collar; 13. a baffle ring; 14. a snap ring; 15. a piston; 16. a first seal ring; 17. a supporting ring; 18. a bolt; 19. a guide sleeve; 20. a second seal ring; 21. a first dust ring; 22. an end cap; 23. fixing a column; 24. a thread; 25. ear ring sleeves; 26. an ear ring; 27. and a second dust ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a leakage-proof check oil cylinder comprises a cylinder barrel 1, an upper fixing block 2, a lower fixing block 3, a strut 4, a fixing bolt 5, a cylinder bottom 6, a first oil inlet and outlet 7, a check valve 8, a second oil inlet and outlet 9, a piston rod 10, a buffering plunger 11, a spring retainer ring 12, a baffle ring 13, a retainer ring 14, a piston 15, a first sealing ring 16, a supporting ring 17, a bolt 18, a guide sleeve 19, a second sealing ring 20, a first dust ring 21, an end cover 22, a fixing column 23, threads 24, an ear ring sleeve 25, an ear ring 26 and a second dust ring 27, wherein the upper end of the outer side of the cylinder barrel 1 is provided with the upper fixing block 2, the lower end of the outer side of the cylinder barrel 1 is fixed with the lower fixing block 3, the strut 4 is fixed at the upper end of the lower fixing block 3, the fixing bolts 5 are fixed at the upper end and the lower end of the strut 4, the strut 4 is vertically distributed between the upper fixing block 2 and, the supporting columns 4 vertically distributed between the upper fixing block 2 and the lower fixing block 3 can protect the safety of the oil cylinder in the working process, the potential safety hazard problem caused by deformation due to impact of foreign objects is avoided, meanwhile, the firmness of connection between the supporting columns is greatly improved due to the frame type structure, and the actual service life of the oil cylinder is prolonged;
the cylinder bottom 6 is fixed at the lower end of the cylinder barrel 1, the first oil inlet and outlet 7 is arranged on the outer side of the lower end of the cylinder barrel 1, the check valve 8 is fixed on the inner side of the first oil inlet and outlet 7, the outer side of the check valve 8 is attached to the inner side of the first oil inlet and outlet 7, a check leakage-proof structure is formed between the check valve 8 and the first oil inlet and outlet 7, the check valve 8 and the first oil inlet and outlet 7 which are attached to each other can ensure the firmness of connection between the check valve 8 and the first oil inlet and outlet 7, the situation of oil leakage caused by looseness can not occur, meanwhile, the check valve 8 can effectively prevent hydraulic oil inside the oil cylinder from leaking;
the second oil inlet and outlet 9 is arranged on the outer side of the upper end of the cylinder barrel 1, the piston rod 10 is arranged on the inner side of the cylinder barrel 1, the buffer plunger 11 is arranged at the bottom of the piston rod 10, the spring retainer ring 12 is arranged at the upper end of the buffer plunger 11, the retainer ring 13 is arranged at the upper end of the spring retainer ring 12, the retainer ring 14 is arranged at the upper end of the retainer ring 13, the piston 15 is arranged above the retainer ring 14, the first sealing ring 16 is fixed at the lower end of the outer side of the piston 15, the support ring 17 is fixed at the upper end of the outer side of the piston 15, the bolt 18 is fixed at the lower end of the piston 15, the bolt 18 penetrates through the bottom of the piston 15, the bolts 18 penetrating through the bottom of the piston 15 can ensure the firmness of connection between the piston 15 and the piston rod 10, the condition that the working efficiency is influenced due, the piston 15 and internal parts can be cleaned and replaced in the oil cylinder;
the outer side of the upper end of the piston rod 10 is provided with a guide sleeve 19, the outer side of the upper end of the guide sleeve 19 is provided with a second sealing ring 20, the guide sleeve 19 and the piston rod 10 are concentrically distributed, the guide sleeve 19 and the piston rod 10 are in sliding connection, the guide sleeve 19 and the piston rod 10 which are concentrically distributed can ensure the accuracy of the position of the piston rod 10 during pushing, the situation that the work is influenced by shaking is avoided, meanwhile, the sliding connection between the guide sleeve 19 and the piston rod 10 reduces the friction force between the guide sleeve 19 and the piston rod 10, and the working efficiency of the oil cylinder is greatly improved;
an end cover 22 is fixed at the upper end of the cylinder barrel 1, a first dust ring 21 is arranged on the inner side of the end cover 22, a fixing column 23 is fixed on the outer side of the upper end of the end cover 22, the first dust ring 21 and the end cover 22 are distributed horizontally, the first dust ring 21 and the end cover 22 form an embedded structure, the first dust ring 21 and the end cover 22 which are distributed horizontally can ensure the firmness and tightness of connection of the first dust ring 21, the condition that dust enters the interior of the cylinder body to influence the use efficiency and the service life of the cylinder body in the working process is prevented, and meanwhile, the actual service life of the oil cylinder is greatly prolonged by the embedded structure;
the upper end outside of piston rod 10 is provided with screw thread 24, and the outside of screw thread 24 is connected with earring cover 25, the upper end of earring cover 25 is connected with earring 26, and the inboard of earring 26 is provided with second dust ring 27, screw thread 24 evenly distributed is in the piston rod 10 upper end outside, and constitute detachable construction between piston rod 10 and the earring cover 25, the screw thread 24 that sets up in the piston rod 10 upper end outside makes and reaches detachable construction between piston rod 10 and the earring cover 25, can follow the earring 26 of not equidimension according to actual in service behavior like this, in order to reach best in-service effect, make the application range greatly increased of this hydro-cylinder.
The working principle is as follows: for the leakproof check oil cylinder, the check valve 8 and the first oil inlet and outlet 7 which are firstly attached to each other can ensure the firmness of the connection between the check valve 8 and the first oil inlet and outlet 7, the situation of oil leakage caused by looseness can not occur, meanwhile, the check valve 8 can effectively prevent hydraulic oil in the oil cylinder from leaking outwards, the actual use effect of the oil cylinder is greatly improved, the first dust ring 21 and the end cover 22 which are horizontally distributed can ensure the firmness and the tightness of the connection of the first dust ring 21, the situation that dust enters the cylinder body to influence the use efficiency and the service life of the cylinder body in the working process can be prevented, meanwhile, the actual service life of the oil cylinder is greatly prolonged by the embedded structure, the firmness of the connection between the piston 15 and the piston rod 10 can be ensured by the bolts 18 penetrating through the bottom of the piston 15, the situation that the work efficiency is influenced by looseness in work can not occur, and meanwhile, also it is convenient for the dismantlement in later stage to provide, can clear up and trade piston 15 and internals with the hydro-cylinder is inside, the piston rod 10 accuracy of position when promoting can be guaranteed with piston rod 10 to the uide bushing 19 that the concentric circles distributes, the condition of the influence work can not appear rocking, sliding connection between uide bushing 19 and the piston rod 10 reduces frictional force between the two simultaneously, promote the work efficiency of this hydro-cylinder greatly, accomplish the use of whole leak protection non-return hydro-cylinder just so.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a leak protection check cylinder, includes cylinder (1), cylinder bottom (6) and check valve (8), its characterized in that: an upper fixing block (2) is arranged at the upper end of the outer side of the cylinder barrel (1), a lower fixing block (3) is fixed at the lower end of the outer side of the cylinder barrel (1), a strut (4) is fixed at the upper end of the lower fixing block (3), fixing bolts (5) are fixed at the upper end and the lower end of the strut (4), a cylinder bottom (6) is fixed at the lower end of the cylinder barrel (1), a first oil inlet and outlet (7) is arranged at the outer side of the lower end of the cylinder barrel (1), a check valve (8) is fixed at the inner side of the first oil inlet and outlet (7), a second oil inlet and outlet (9) is arranged at the outer side of the upper end of the cylinder barrel (1), a piston rod (10) is arranged at the inner side of the cylinder barrel (1), a buffer plunger (11) is arranged at the bottom of the piston rod (10), a spring retainer ring (12), and the upper end of keeping off ring (13) is provided with snap ring (14), the top of snap ring (14) is provided with piston (15), the outside lower extreme of piston (15) is fixed with first sealing washer (16), and the outside upper end of piston (15) is fixed with supporting ring (17), the lower extreme of piston (15) is fixed with bolt (18), the upper end outside of piston rod (10) is provided with uide bushing (19), and the upper end outside of uide bushing (19) is provided with second sealing washer (20), the upper end of cylinder (1) is fixed with end cover (22), and the inboard of end cover (22) is provided with first dust ring (21), the upper end outside of end cover (22) is fixed with fixed column (23).
2. The leak-proof check cylinder according to claim 1, characterized in that: the supporting columns (4) are vertically distributed between the upper fixing block (2) and the lower fixing block (3), and a frame structure is formed among the supporting columns (4), the upper fixing block (2) and the lower fixing block (3).
3. The leak-proof check cylinder according to claim 1, characterized in that: the outer side of the check valve (8) is attached to the inner side of the first oil inlet/outlet (7), and a check and leakage-proof structure is formed between the check valve (8) and the first oil inlet/outlet (7).
4. The leak-proof check cylinder according to claim 1, characterized in that: the bolts (18) penetrate through the bottom of the piston (15), and five bolts (18) are arranged.
5. The leak-proof check cylinder according to claim 1, characterized in that: the guide sleeve (19) and the piston rod (10) are concentrically distributed, and the guide sleeve (19) is in sliding connection with the piston rod (10).
6. The leak-proof check cylinder according to claim 1, characterized in that: the first dust ring (21) and the end cover (22) are distributed horizontally, and the first dust ring (21) and the end cover (22) form an embedded structure.
7. The leak-proof check cylinder according to claim 1, characterized in that: the upper end outside of piston rod (10) is provided with screw thread (24), and the outside of screw thread (24) is connected with ear ring cover (25), the upper end of ear ring cover (25) is connected with earrings (26), and the inboard of earrings (26) is provided with second dust ring (27).
8. The leak-proof check cylinder according to claim 7, characterized in that: the threads (24) are uniformly distributed on the outer side of the upper end of the piston rod (10), and a detachable structure is formed between the piston rod (10) and the earring sleeve (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990534.8U CN211693030U (en) | 2019-11-18 | 2019-11-18 | Leak-proof check oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990534.8U CN211693030U (en) | 2019-11-18 | 2019-11-18 | Leak-proof check oil cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN211693030U true CN211693030U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921990534.8U Active CN211693030U (en) | 2019-11-18 | 2019-11-18 | Leak-proof check oil cylinder |
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| Country | Link |
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| CN (1) | CN211693030U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017419A (en) * | 2021-11-24 | 2022-02-08 | 张家口市宣化正远钻采机械有限公司 | Novel connecting structure for piston rod end of oil cylinder |
| CN114017415A (en) * | 2021-11-02 | 2022-02-08 | 陈金祥 | Hydraulic oil cylinder |
-
2019
- 2019-11-18 CN CN201921990534.8U patent/CN211693030U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017415A (en) * | 2021-11-02 | 2022-02-08 | 陈金祥 | Hydraulic oil cylinder |
| CN114017419A (en) * | 2021-11-24 | 2022-02-08 | 张家口市宣化正远钻采机械有限公司 | Novel connecting structure for piston rod end of oil cylinder |
| CN114017419B (en) * | 2021-11-24 | 2024-09-20 | 张家口市宣化正远钻采机械有限公司 | Novel oil cylinder piston rod end connection structure |
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