CN212803828U

CN212803828U - Novel prevent leaking hydraulic cylinder

Info

Publication number: CN212803828U
Application number: CN202021625052.5U
Authority: CN
Inventors: 杨亚明
Original assignee: Linyi Yongli Hydraulic Machinery Manufacturing Co ltd
Current assignee: Linyi Yongli Hydraulic Machinery Manufacturing Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-03-26
Anticipated expiration: 2030-08-07

Abstract

The utility model relates to a hydraulic cylinder technical field specifically discloses a novel prevent leaking hydraulic cylinder, which comprises a housin, the right side fixedly connected with leak protection case of casing, the inner chamber fixedly connected with piston rod bushing of leak protection case, the inner chamber swing joint of piston rod bushing have a piston rod, the left side fixedly connected with buffering ring of leak protection incasement chamber, the inner chamber of leak protection case and the first O type sealing washer of right side fixedly connected with that is located the buffering ring. The utility model discloses a casing, leak-proof box, piston rod bushing, the piston rod, the buffer ring, first O type sealing washer, first dustproof oil blanket, a piston, first wear-resisting ring, second O type sealing washer, first anti-pollution oil blanket, the buffer block, a groove, go out oil pipe, the activity stopper, the wear-resisting ring of second, the anti-pollution oil blanket of second, the dustproof oil blanket of second and the cooperation of advancing oil pipe are used, can effectual improvement hydraulic cylinder's leakproofness, hydraulic cylinder's leak-proof performance has been improved, it is not fragile to make hydraulic cylinder.

Description

Novel prevent leaking hydraulic cylinder

Technical Field

The utility model relates to a hydraulic cylinder technical field specifically is a novel prevent leaking hydraulic cylinder.

Background

The hydraulic oil cylinder is an actuating element in a hydraulic transmission system, converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion), has simple structure and reliable work, can avoid a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to various mechanical hydraulic systems, but the existing hydraulic oil cylinder often has the condition of hydraulic oil leakage caused by poor sealing property, so that the hydraulic oil cylinder can not work normally, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a novel prevent leaking hydraulic cylinder possesses and prevents leaking advantages such as effectual, has solved current hydraulic cylinder and has often appeared because of the not good condition that leads to hydraulic oil to leak of its leakproofness, makes hydraulic cylinder normally work, has reduced work efficiency's problem.

The utility model discloses a novel anti-leakage hydraulic oil cylinder, which comprises a shell, wherein the right side of the shell is fixedly connected with an anti-leakage box, the inner cavity of the anti-leakage box is fixedly connected with a piston rod lining cylinder, the inner cavity of the piston rod lining cylinder is movably connected with a piston rod, the left side of the inner cavity of the anti-leakage box is fixedly connected with a buffer ring, the inner cavity of the anti-leakage box is fixedly connected with a first O-shaped sealing ring positioned on the right side of the buffer ring, the inner cavity of the anti-leakage box is fixedly connected with a first dustproof oil seal positioned on the right side of the first O-shaped sealing ring, the left end of the piston rod penetrates through the inner cavity of the shell and is fixedly connected with a piston, the left side of the surface of the piston is fixedly connected with a first wear-resisting ring, the surface of the piston is fixedly connected with a second O-shaped sealing ring positioned on the right, the left side fixedly connected with buffer block of casing inner chamber, the inner chamber of buffer block is seted up flutedly, the bottom intercommunication of recess has an oil pipe, the surface of piston pipe just is located the inner chamber fixedly connected with activity stopper of piston rod bushing, the wear-resisting ring of left side fixedly connected with second on activity stopper surface, the surface of activity stopper just is located the anti-pollution oil blanket of right side fixedly connected with second wear-resisting ring, the dustproof oil blanket of right side fixedly connected with second of piston rod bushing inner chamber, the right side intercommunication at casing top has into oil pipe.

The utility model discloses a novel prevent leaking hydraulic cylinder, wherein the first mounting hole of the left end fixedly connected with of casing, the first dust ring of inner chamber fixedly connected with of mounting hole through setting up first mounting hole and first dust ring, can conveniently install hydraulic cylinder.

The utility model discloses a novel prevent leaking hydraulic cylinder, wherein the right-hand member fixedly connected with second mounting hole of piston rod, the inner chamber fixedly connected with second dust ring of second mounting hole through setting up second mounting hole and second dust ring, can conveniently be connected hydraulic cylinder and other mechanisms.

The utility model discloses a novel prevent leaking hydraulic cylinder, wherein the oil outlet has all been seted up to the top and the bottom of activity stopper, the inner chamber packing of piston rod bushing has lubricating oil, through setting up the oil outlet, can reduce the resistance when the activity stopper moves.

The utility model discloses a novel prevent leaking hydraulic cylinder, wherein the through-hole has been seted up on the right side of leak-proof case, and the inner chamber fixedly connected with lining section of thick bamboo sealing washer of through-hole through setting up lining section of thick bamboo sealing washer, can prevent the junction oil leak of hydraulic cylinder and piston rod lining section of thick bamboo.

The utility model discloses a novel prevent leaking hydraulic cylinder, wherein the shape of casing is the cylinder, the shape of piston rod bushing is the cylinder.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a casing, the leak protection case, the piston rod bushing, the piston rod, the buffer ring, first O type sealing washer, first dustproof oil blanket, a piston, first wear-resisting ring, second O type sealing washer, first anti-pollution oil blanket, the buffer block, a groove, go out oil pipe, the activity stopper, the wear-resisting ring of second, the anti-pollution oil blanket of second, the dustproof oil blanket of second and the cooperation of advancing oil pipe are used, can effectually improve hydraulic cylinder's leakproofness, hydraulic cylinder's leak protection performance has been improved, make hydraulic cylinder not fragile, the condition that current hydraulic cylinder often appears leading to hydraulic oil to leak because of its leakproofness is not good has been solved, make hydraulic cylinder normally work, the problem of work efficiency has been reduced.

2. The utility model discloses a set up first mounting hole and first dust ring, can conveniently install hydraulic cylinder, through setting up second mounting hole and second dust ring, can conveniently be connected hydraulic cylinder and other mechanisms, through setting up the oil outlet, can reduce the resistance when the activity stopper moves, through setting up the lining section of thick bamboo sealing washer, can prevent the junction oil leak of hydraulic cylinder and piston rod lining section of thick bamboo.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a leakage-proof box; 3. a piston rod bushing; 4. a piston rod; 5. a buffer ring; 6. a first O-ring seal; 7. a first dust-proof oil seal; 8. a piston; 9. a first wear ring; 10. a second O-ring seal; 11. a first anti-contamination oil seal; 12. a buffer block; 13. a groove; 14. an oil outlet pipe; 15. a movable plug; 16. a second wear ring; 17. a second anti-contamination oil seal; 18. a second dust-proof oil seal; 19. an oil inlet pipe; 20. a first mounting hole; 21. a first dust ring; 22. a second mounting hole; 23. a second dust ring; 24. an oil outlet hole; 25. the lining cylinder sealing ring.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to a novel anti-leakage hydraulic cylinder, which comprises a housing 1, a first mounting hole 20 is fixedly connected to the left end of the housing 1, a first dust ring 21 is fixedly connected to the inner cavity of the mounting hole, the hydraulic cylinder can be conveniently mounted by arranging the first mounting hole 20 and the first dust ring 21, the housing 1 is cylindrical, a piston rod liner 3 is cylindrical, a leakage-proof box 2 is fixedly connected to the right side of the housing 1, a through hole is arranged on the right side of the leakage-proof box 2, a liner sealing ring 25 is fixedly connected to the inner cavity of the through hole, the oil leakage at the joint of the hydraulic cylinder and the piston rod liner 3 can be prevented by arranging the liner sealing ring 25, a piston rod liner 3 is fixedly connected to the inner cavity of the leakage-proof box 2, a piston rod 4 is movably connected to the inner cavity of the piston rod liner 3, a second mounting hole 22 is fixedly connected, the inner cavity of the second mounting hole 22 is fixedly connected with a second dust ring 23, the hydraulic oil cylinder can be conveniently connected with other mechanisms by arranging the second mounting hole 22 and the second dust ring 23, the left side of the inner cavity of the leakage-proof box 2 is fixedly connected with a buffer ring 5, the inner cavity of the leakage-proof box 2 is fixedly connected with a first O-shaped seal ring 6 positioned at the right side of the buffer ring 5, the inner cavity of the leakage-proof box 2 is fixedly connected with a first dust-proof oil seal 7 positioned at the right side of the first O-shaped seal ring 6, the left end of the piston rod 4 penetrates through the inner cavity of the shell 1 and is fixedly connected with a piston 8, the left side of the surface of the piston 8 is fixedly connected with a first wear-resisting ring 9, the surface of the piston 8 is fixedly connected with a second O-shaped seal ring 10 positioned at the right side of the first wear-resisting seal ring 9, the surface of the piston 8 is fixedly connected with a first anti-pollution oil seal, recess 13 has been seted up to the inner chamber of buffer block 12, the bottom intercommunication of recess 13 has an oil pipe 14, the surface of 8 pipes on the piston just is located the inner chamber fixedly connected with activity stopper 15 of piston rod bushing 3, oil outlet 24 has all been seted up with the bottom at the top of activity stopper 15, the inner chamber packing of piston rod bushing 3 has lubricating oil, through setting up oil outlet 24, resistance when can reducing the motion of activity stopper 15, the wear-resisting ring 16 of left side fixedly connected with second on activity stopper 15 surface, the surface of activity stopper 15 just is located the anti-pollution oil blanket 17 of the right side fixedly connected with second of wear-resisting ring 16, the dustproof oil blanket 18 of the right side fixedly connected with second of piston rod bushing 3 inner chamber, the right side intercommunication at casing 1 top has into oil pipe 19.

When using the utility model discloses the time: the user installs hydraulic cylinder on the operating structure through first mounting hole 20 and second mounting hole 22, and will advance oil pipe 19 and go out oil pipe 14 and outside intercommunication, piston rod 4 drives movable stopper 15 reciprocating motion, through piston rod liner 3, hydraulic cylinder's leakproofness has been improved, wear resistance of movable stopper 15 has been improved through second wear ring 16, through the anti-pollution oil blanket 17 of second, the leakproofness of movable stopper 15 has been improved, through the dustproof oil blanket 18 of second, the dustproof of piston rod liner 3 and leak proofness have been improved.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a novel prevent leaking hydraulic cylinder, includes casing (1), its characterized in that: the right side of the shell (1) is fixedly connected with a leakage-proof box (2), the inner cavity of the leakage-proof box (2) is fixedly connected with a piston rod lining cylinder (3), the inner cavity of the piston rod lining cylinder (3) is movably connected with a piston rod (4), the left side of the inner cavity of the leakage-proof box (2) is fixedly connected with a buffer ring (5), the inner cavity of the leakage-proof box (2) is fixedly connected with a first O-shaped sealing ring (6) and is positioned at the right side of the buffer ring (5), the inner cavity of the leakage-proof box (2) is fixedly connected with a first dustproof oil seal (7) and is positioned at the right side of the first O-shaped sealing ring (6), the left end of the piston rod (4) penetrates through the inner cavity of the shell (1) and is fixedly connected with a piston (8), the left side of the surface of the piston (8) is fixedly connected with a first wear-resistant ring (9), the surface of the piston (8) is fixedly, a first anti-pollution oil seal (11) is fixedly connected to the surface of the piston (8) and positioned on the right side of the second O-shaped sealing ring (10), a buffer block (12) is fixedly connected to the left side of the inner cavity of the shell (1), a groove (13) is formed in the inner cavity of the buffer block (12), the bottom of the groove (13) is communicated with an oil outlet pipe (14), the surface of the piston (8) pipe and the inner cavity of the piston rod bushing (3) are fixedly connected with a movable plug (15), a second wear-resistant ring (16) is fixedly connected to the left side of the surface of the movable plug (15), a second anti-pollution oil seal (17) is fixedly connected to the surface of the movable plug (15) and positioned on the right side of the second wear-resistant ring (16), the right side of the inner cavity of the piston rod bushing (3) is fixedly connected with a second dustproof oil seal (18), and the right side of the top of the shell (1) is communicated with an oil inlet pipe (19).

2. A novel leak-proof hydraulic ram as claimed in claim 1, wherein: the left end fixedly connected with first mounting hole (20) of casing (1), the inner chamber fixedly connected with first dust ring (21) of mounting hole.

3. A novel leak-proof hydraulic ram as claimed in claim 1, wherein: the right end fixedly connected with second mounting hole (22) of piston rod (4), the inner chamber fixedly connected with second dust ring (23) of second mounting hole (22).

4. A novel leak-proof hydraulic ram as claimed in claim 1, wherein: oil outlet holes (24) are formed in the top and the bottom of the movable plug (15), and lubricating oil is filled in the inner cavity of the piston rod lining cylinder (3).

5. A novel leak-proof hydraulic ram as claimed in claim 1, wherein: the right side of the leakage-proof box (2) is provided with a through hole, and the inner cavity of the through hole is fixedly connected with a lining cylinder sealing ring (25).

6. A novel leak-proof hydraulic ram as claimed in claim 1, wherein: the shell (1) is cylindrical, and the piston rod bushing (3) is cylindrical.