CN217950868U - Prevent novel hydraulic cylinder of leakage function - Google Patents

Prevent novel hydraulic cylinder of leakage function Download PDF

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Publication number
CN217950868U
CN217950868U CN202221933059.2U CN202221933059U CN217950868U CN 217950868 U CN217950868 U CN 217950868U CN 202221933059 U CN202221933059 U CN 202221933059U CN 217950868 U CN217950868 U CN 217950868U
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China
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cylinder
cylinder body
swing joint
fixedly connected
cylinder cap
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CN202221933059.2U
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Chinese (zh)
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贺东升
俞学芬
张振刚
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Dezhou Hongchi Hydraulic Machinery Co ltd
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Dezhou Hongchi Hydraulic Machinery Co ltd
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Abstract

The utility model discloses a prevent novel hydraulic cylinder of leakage function, belong to hydraulic cylinder technical field, comprising a cylinder body, the one end fixedly connected with cylinder cap of cylinder body, the sealed pad of fixedly connected with between cylinder body and the cylinder cap, the opening has been seted up to the positive position in one end of cylinder cap, the inner wall swing joint of opening has the dust ring, one side swing joint of dust ring has first sealing washer, one side swing joint of first sealing washer has first oil blanket, one side swing joint of first oil blanket has the buffering ring, the cylinder cap has the piston rod through opening swing joint, the second sealing washer has been cup jointed in the outside activity of cylinder cap, sealed pad and second sealing washer through setting up, make cylinder body and cylinder cap form first leak-proof defence line and second way and prevent leaking the leakage defence line, because first leak-proof line and second way prevent the effect that the leakage defence line can both play sealed cylinder body and cylinder cap alone, the phenomenon of hydraulic cylinder leakage proof oil pressure oil has been avoided appearing, consequently, hydraulic cylinder's leak-proof effect is improved.

Description

Prevent novel hydraulic cylinder of leakage function
Technical Field
The utility model relates to a hydraulic cylinder technical field, more specifically say, relate to a prevent novel hydraulic cylinder of leakage function.
Background
The hydraulic oil cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). The reciprocating motion device has simple structure and reliable work, can avoid a speed reducer when the reciprocating motion is realized, has no transmission clearance, and moves stably, thereby being widely applied to hydraulic systems of various machines. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder basically comprises a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device, wherein the buffering device and the exhaust device are determined according to specific application occasions, and other devices are indispensable.
The patent document with the prior art publication number of CN212803828U provides a novel leakage-proof hydraulic cylinder, the utility model discloses a casing, the leakage-proof case, the piston rod bushing, the piston rod, the cushion ring, first O type sealing washer, first dustproof oil blanket, a piston, first wear ring, second O type sealing washer, first anti-pollution oil blanket, the buffer block, a groove, go out the oil pipe, the activity stopper, second wear ring, the anti-pollution oil blanket of second, the cooperation of second dustproof oil blanket and oil inlet pipe is used, can effectually improve hydraulic cylinder's leakproofness, hydraulic cylinder's leakage-proof performance has been improved, make hydraulic cylinder not fragile, nevertheless current hydraulic cylinder, in long-time use, because of the reason because of pressure between cylinder body and the cylinder cap, can produce the loss between cylinder body and the cylinder cap, because the tradition only adopts sealed glue to carry out solitary sealing, lead to the problem that the oil leak will appear between cylinder body and the cylinder cap fixed gap, in view of this, we provide a novel hydraulic cylinder of leakage-proof function.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
An object of the utility model is to provide a prevent novel hydraulic cylinder of leakage function to propose in solving above-mentioned background art because only adopt sealed glue to carry out solitary sealing between cylinder body and the cylinder cap, because of the reason of sealed glue loss, will appear the problem of oil leak between the fixed gap of cylinder body and cylinder cap.
2. Technical scheme
The utility model provides a prevent novel hydraulic cylinder of leakage function, includes the cylinder body, the outside of cylinder body is the first butt joint of fixedly connected with and the second butt joint respectively, the one end fixedly connected with cylinder cap of cylinder body, fixedly connected with is sealed to fill up between cylinder body and the cylinder cap, the one end threaded connection of cylinder cap has the fixed screw, the opening has been seted up to the positive position of one end of cylinder cap, the inner wall swing joint of opening has the dust ring, one side swing joint of dust ring has first sealing washer, one side swing joint of first sealing washer has first oil blanket, one side swing joint of first oil blanket has the cushion ring, the cylinder cap has the piston rod through opening swing joint, the outside activity of cylinder cap has cup jointed the second sealing washer.
As an alternative scheme of this application technical scheme, the cylinder cap passes through fixed screw and cylinder body fixed connection, the fixed screw is provided with six, six the fixed screw is the equidistance respectively and arranges.
As an alternative scheme of this application technical scheme, first sealing washer, first oil blanket and the equal swing joint of cushion ring are at the inner wall of cylinder cap.
As an alternative of the technical scheme of the application, one end of the piston rod is fixedly connected with the rod sleeve, and the other end of the piston rod is fixedly connected with the piston seat.
As an alternative of this application technical scheme, the one end fixedly connected with buffer beam of piston seat, the outside of piston seat swing joint has second oil blanket and antifouling cover respectively.
As an alternative to the solution according to the present application, the diameter of the piston rod is adapted to the diameter of the through opening, and the outer surface of the piston rod is smooth.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
1. according to the technical scheme, the sealing gasket and the second sealing ring are arranged, when the hydraulic oil cylinder is installed, a worker installs the sealing gasket at a connecting position between a cylinder body and a cylinder cover, sealant is coated, the cylinder cover is butted on the cylinder body, meanwhile, a first leakage-proof line is formed by the cylinder cover through the second sealing ring and the inner wall of the cylinder body, then the cylinder body and the cylinder cover are fixed by using fixing screws, the cylinder cover is close to the cylinder body, the cylinder body and the cylinder cover can extrude the sealing gasket and the sealant, the sealing gasket can fill a gap between the cylinder body and the cylinder cover, meanwhile, the cylinder body and the cylinder cover can be firmly and fixedly sealed together, the second leakage-proof line is formed, when the hydraulic oil cylinder is used, the worker respectively puts hydraulic pipes into the first butt joint and the second butt joint, when the piston rod needs to be stretched out, hydraulic oil is input into the cylinder body through the first butt joint, the piston seat can push the piston seat to drive the piston rod to stretch out, when the piston rod needs to be stretched out, hydraulic oil enters the hydraulic oil from the second butt joint, hydraulic oil seat can push the piston seat to drive the piston rod to withdraw the piston seat, the piston seat to withdraw the piston rod to withdraw the cylinder body, the leakage-proof line and the hydraulic oil cylinder cover can not only, the leakage-proof line, the leakage-proof effect of the leakage-proof line, and the leakage-proof effect of the leakage-proof line can be achieved when the hydraulic oil cylinder cover and the hydraulic oil cylinder body, and the leakage-proof effect is not to be increased, and the leakage-proof effect is increased when the hydraulic oil cylinder cover is increased.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a sectional view of the cylinder body of the present invention;
FIG. 3 is a schematic view of a partial structure of the cylinder head of the present invention;
fig. 4 is a schematic view of a partial structure of the cylinder body of the present invention.
The numbering in the figures illustrates: 1. a cylinder body; 2. a first pair of joints; 3. a second pair of connectors; 4. a gasket; 5. a cylinder cover; 501. a port; 6. fixing screws; 7. a piston rod; 8. a rod sleeve; 9. a dust ring; 10. a first seal ring; 11. a first oil seal; 12. a buffer ring; 13. a second seal ring; 14. a piston seat; 15. a buffer rod; 16. a second oil seal; 17. an anti-fouling sleeve.
Detailed Description
The utility model provides a technical scheme:
as shown in fig. 1, a prevent novel hydraulic cylinder of leakage function, including cylinder body 1, the outside of cylinder body 1 is the first butt joint of fixedly connected with 2 and the second butt joint 3 respectively, the one end fixedly connected with cylinder cap 5 of cylinder body 1, the sealed pad 4 of fixedly connected with between cylinder body 1 and the cylinder cap 5, the one end threaded connection of cylinder cap 5 has set screw 6, opening 501 has been seted up to the positive position of one end of cylinder cap 5, the inner wall swing joint of opening 501 has dust ring 9, one side swing joint of dust ring 9 has first sealing washer 10, one side swing joint of first sealing washer 10 has first oil blanket 11, one side swing joint of first oil blanket 11 has buffer ring 12, cylinder cap 5 has piston rod 7 through opening 501 swing joint, the outside activity of cylinder cap 5 has cup jointed second sealing washer 13.
In this embodiment, when using hydraulic cylinder, the staff is to first butt joint 2 and second butt joint 3 hydraulic pressure pipe on the street respectively, when piston rod 7 is stretched out to needs, input hydraulic oil through first butt joint 2, hydraulic oil will enter into cylinder body 1, and hydraulic oil will promote piston seat 14, piston seat 14 drives piston rod 7 and will outwards stretch out, when piston rod 7 is withdrawed to needs, hydraulic oil gets into hydraulic oil from second butt joint 3, hydraulic pressure will push piston seat 14 from the opposite side, piston seat 14 drives piston rod 7 and will withdraws.
In some technical solutions, as shown in fig. 1 and 2, the cylinder head 5 is fixedly connected with the cylinder body 1 through the fixing screws 6, six fixing screws 6 are provided, and the six fixing screws 6 are respectively arranged at equal intervals.
In this embodiment, the cylinder body 1 and the cylinder cover 5 are fixed by the fixing screws 6, so that the cylinder cover 5 approaches the cylinder body 1, the cylinder body 1 and the cylinder cover 5 will squeeze the sealing gasket 4 and the sealant, and the sealing gasket 4 will fill the gap between the cylinder body 1 and the cylinder cover 5.
In some technical solutions, as shown in fig. 2 and 3, the first seal ring 10, the first oil seal 11 and the cushion ring 12 are movably connected to the inner wall of the cylinder head 5.
In the present embodiment, the gap between the piston rod 7 and the upper port 501 of the cylinder head 5 can be sealed more effectively by the first seal ring 10, the first oil seal 11, and the cushion ring 12.
In some technical solutions, as shown in fig. 1 and 2, one end of the piston rod 7 is fixedly connected with the rod sleeve 8, and the other end of the piston rod 7 is fixedly connected with the piston seat 14.
In the embodiment, the hydraulic oil cylinder can better drive the parts needing to operate through the piston rod 7.
In some technical solutions, as shown in fig. 2, one end of the piston seat 14 is fixedly connected with a buffer rod 15, and the outer side of the piston seat 14 is movably connected with a second oil seal 16 and an anti-fouling sleeve 17, respectively.
In the present embodiment, the gap between the piston seat 14 and the inner wall of the cylinder block 1 can be sealed more effectively by the second oil seal 16.
In some solutions, as shown in fig. 1 and 2, the diameter of the piston rod 7 is adapted to the diameter of the through opening 501, the outer surface of the piston rod 7 is smooth,
in this embodiment, the piston rod 7 can be extended and retracted more favorably because the outer surface of the piston rod 7 is smooth.
As shown in fig. 1, when installing a hydraulic cylinder, a worker installs a sealing gasket 4 at a connection position between a cylinder body 1 and a cylinder cover 5 and coats a sealing glue, then the cylinder cover 5 is abutted to the cylinder body 1, meanwhile, the cylinder cover 5 forms a first leakage-proof line with the inner wall of the cylinder body 1 through a second sealing ring 13, then the cylinder body 1 and the cylinder cover 5 are fixed by using a fixing screw 6, at this time, the cylinder cover 5 approaches to the cylinder body 1, the cylinder body 1 and the cylinder cover 5 extrude the sealing gasket 4 and the sealing glue, the sealing gasket 4 fills a gap between the cylinder body 1 and the cylinder cover 5, meanwhile, the cylinder body 1 and the cylinder cover 5 are firmly fixed and sealed together, so as to form a second leakage-proof line, when using the hydraulic cylinder, the worker respectively puts hydraulic pipes on a first pair of joints 2 and a second pair of joints 3, when needing to extend the piston rod 7, the hydraulic oil is input through the first pair of joints 2, the hydraulic oil enters the cylinder body 1, the hydraulic oil pushes a piston seat 14, the piston seat 14 drives the piston rod 7 to extend outwards, when needing to retract the piston rod 7, the hydraulic oil can drive the piston seat 14 to retract, the piston seat 14 to retract, the hydraulic oil can drive the piston seat 14 to retract to independently prevent the hydraulic oil from the other side of the cylinder cover 1 and the cylinder cover 5, and the hydraulic cylinder body 1, and the hydraulic oil, and the hydraulic cylinder cover 5 can also prevent the leakage of the hydraulic cylinder cover from the hydraulic cylinder cover 1, and the hydraulic cylinder cover 5 from leaking, and the leakage of the hydraulic cylinder body, and the hydraulic oil, and the hydraulic cylinder cover 5, and the hydraulic oil from the hydraulic oil, when the hydraulic oil, the hydraulic oil leakage-proof line, and the hydraulic oil can not only prevent the hydraulic oil leakage phenomenon that the hydraulic oil leakage of the hydraulic cylinder body 1, and the hydraulic oil can be damaged, and the hydraulic oil.

Claims (6)

1. The utility model provides a prevent novel hydraulic cylinder of leakage function, includes cylinder body (1), its characterized in that: the outside of cylinder body (1) is the first butt joint of fixedly connected with (2) and second butt joint (3) respectively, the one end fixedly connected with cylinder cap (5) of cylinder body (1), the sealed pad (4) of fixedly connected with between cylinder body (1) and cylinder cap (5), the one end threaded connection of cylinder cap (5) has set screw (6), opening (501) have been seted up to the positive position of one end of cylinder cap (5), the inner wall swing joint of opening (501) has dust ring (9), one side swing joint of dust ring (9) has first sealing washer (10), one side swing joint of first sealing washer (10) has first oil blanket (11), one side swing joint of first oil blanket (11) has cushion ring (12), cylinder cap (5) has piston rod (7) through opening (501), second sealing washer (13) have been cup jointed in the outside activity of cylinder cap (5).
2. A novel hydraulic ram for preventing leakage according to claim 1, further comprising: the cylinder cover (5) is fixedly connected with the cylinder body (1) through the fixing screws (6), the fixing screws (6) are provided with six fixing screws (6), and the six fixing screws (6) are respectively arranged in an equal distance.
3. A novel hydraulic ram for preventing leakage according to claim 1, further comprising: the first sealing ring (10), the first oil seal (11) and the buffer ring (12) are movably connected to the inner wall of the cylinder cover (5).
4. A novel hydraulic ram for preventing leakage according to claim 1, further comprising: one end of the piston rod (7) is fixedly connected with a rod sleeve (8), and the other end of the piston rod (7) is fixedly connected with a piston seat (14).
5. A novel hydraulic cylinder for preventing leakage according to claim 4, said hydraulic cylinder further comprising: one end fixedly connected with buffer rod (15) of piston seat (14), the outside of piston seat (14) swing joint has second oil blanket (16) and antifouling cover (17) respectively.
6. A novel hydraulic ram for preventing leakage according to claim 1, further comprising: the diameter of the piston rod (7) is matched with that of the through hole (501), and the outer surface of the piston rod (7) is smooth.
CN202221933059.2U 2022-07-26 2022-07-26 Prevent novel hydraulic cylinder of leakage function Active CN217950868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221933059.2U CN217950868U (en) 2022-07-26 2022-07-26 Prevent novel hydraulic cylinder of leakage function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221933059.2U CN217950868U (en) 2022-07-26 2022-07-26 Prevent novel hydraulic cylinder of leakage function

Publications (1)

Publication Number Publication Date
CN217950868U true CN217950868U (en) 2022-12-02

Family

ID=84224254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221933059.2U Active CN217950868U (en) 2022-07-26 2022-07-26 Prevent novel hydraulic cylinder of leakage function

Country Status (1)

Country Link
CN (1) CN217950868U (en)

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