CN220487987U - Hydraulic cylinder with leak-proof function - Google Patents
Hydraulic cylinder with leak-proof function Download PDFInfo
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- CN220487987U CN220487987U CN202321830141.7U CN202321830141U CN220487987U CN 220487987 U CN220487987 U CN 220487987U CN 202321830141 U CN202321830141 U CN 202321830141U CN 220487987 U CN220487987 U CN 220487987U
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- filter
- cylinder body
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- 238000001802 infusion Methods 0.000 claims abstract description 4
- 230000002265 prevention Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 7
- 239000003921 oil Substances 0.000 abstract description 70
- 239000010720 hydraulic oil Substances 0.000 abstract description 69
- 239000012535 impurity Substances 0.000 abstract description 40
- 238000000034 method Methods 0.000 abstract description 11
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 5
- 239000012780 transparent material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the field of hydraulic cylinders, in particular to a hydraulic cylinder with a leakage prevention function, which comprises a cylinder body, wherein an end cover is fixedly arranged at one end of the cylinder body, a cylinder cover is movably arranged at the other end of the cylinder body, threaded infusion holes are formed in one side surfaces of the cylinder cover and the end cover, an oil conveying pipe is connected in a screwed mode in the threaded infusion holes, a filtering assembly is movably arranged at one end of the oil conveying pipe, and the filtering assembly comprises a filtering pipe, an oil outlet pipe, an oil inlet pipe, a hose, a second hexagonal lantern ring, a first filter screen, a supporting ring, a second filter screen and a one-way valve assembly. According to the utility model, after the hydraulic oil is used for a period of time, impurities in the hydraulic oil can be automatically filtered in the conveying process of the hydraulic oil, so that the oil delivery pipe is prevented from being blocked by the impurities in the hydraulic oil, meanwhile, the impurities are prevented from entering the cylinder body to aggravate the abrasion of the piston ring, the replacement period of the hydraulic oil is prolonged, the service life of the hydraulic oil is prolonged, and the impurities in the hydraulic oil are convenient to clean.
Description
Technical Field
The utility model relates to the field of hydraulic cylinders, in particular to a hydraulic cylinder with a leakage-proof function.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion), and the hydraulic cylinder basically consists of a cylinder barrel, a cylinder cover, 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.
The publication number is: CN217950868U, a disclosed "a novel hydraulic cylinder with anti-leakage function", belong to the technical field of hydraulic cylinders, including the cylinder body, one end fixedly connected with cylinder cap of cylinder body, fixedly connected with is sealed between cylinder body and the cylinder cap, the opening has been seted up to the one end centre position 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 buffer 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, through sealing washer and the second sealing washer that set up, make cylinder body and cylinder cap form first leak protection line and second leak protection line, because first leak protection line and second leak protection line can both play the effect of sealed cylinder body and cylinder cap alone, the phenomenon that the hydraulic cylinder has avoided the hydraulic cylinder to appear leaking, therefore improved the leak protection effect of hydraulic oil ";
when the hydraulic oil is used for a period of time, impurities are generated in the hydraulic oil, the hydraulic oil needs to be replaced periodically, when the hydraulic oil enters from an oil delivery pipe of the oil cylinder, the oil delivery pipe is easy to be blocked by the impurities in the hydraulic oil, meanwhile, the abrasion of a piston ring can be aggravated by the impurities after the impurities enter into the cylinder body along with the hydraulic oil, the service life of the hydraulic oil is short, and the impurities in the hydraulic oil are not convenient to automatically filter in the conveying process of the hydraulic oil.
Disclosure of Invention
In order to overcome the technical problems, the utility model aims to provide the hydraulic cylinder with the anti-leakage function, impurities in hydraulic oil are blocked through the first filter screen, part of hydraulic oil pushes up the one-way valve assembly, part of hydraulic oil enters the filter tube again through the oil outlet tube, the hose and the oil inlet tube, at the moment, the part of hydraulic oil pushes the blocked impurities to enter the oil outlet tube under the action of the inclination angle of the first filter screen, and finally the impurities are blocked by the second filter screen, so that the impurities are collected in the oil outlet tube and the hose, when the hydraulic oil flows into the filter tube from the cylinder body, the one-way valve assembly is closed, so that the hydraulic oil can only be discharged through the filter tube, and therefore, after the hydraulic oil is used for a period of time, the impurities in the hydraulic oil can be conveniently and automatically filtered in the conveying process of the hydraulic oil, so that the impurities in the hydraulic oil are prevented from blocking the oil delivery tube, the impurities are prevented from entering the cylinder body to aggravate the abrasion of a piston ring, the replacement period is prolonged, the service life of the hydraulic oil is prolonged, and the impurities in the hydraulic oil are convenient to clean.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a hydraulic cylinder with prevent leaking function, includes the cylinder body, cylinder body one end fixed mounting has the end cover, the cylinder body other end activity is equipped with the cylinder cap, screw thread transfusion hole has all been seted up on cylinder cap and end cover one side surface, screw thread transfusion hole inside spin is connected with the oil delivery pipe, oil delivery pipe one end activity is equipped with filter unit, filter unit includes filter tube, oil outlet pipe, advance oil pipe, hose, no. two hexagonal lantern rings, no. one filter screen, holding ring, no. two filter screens and check valve subassembly.
The method is further characterized in that: the upper end of the cylinder body is movably embedded with a bolt, the bolt penetrates through the cylinder body to be connected with the cylinder cover in a screwing mode, a piston is connected inside the cylinder body in a sliding mode, and the piston penetrates through the cylinder cover.
The method is further characterized in that: the inner side surfaces of the cylinder body and the cylinder cover are movably embedded with a plurality of sealing rings, one end of the piston is screwed with an earring, and one end surface of the end cover is fixedly provided with a connecting ring.
The method is further characterized in that: the oil delivery pipe outside surface is fixed and is equipped with the screw thread, the oil delivery pipe is connected with screw thread transfusion hole spin through the screw thread, the department fixed mounting has a hexagonal lantern ring in the middle of the oil delivery pipe outside surface.
The method is further characterized in that: the filter tube is characterized in that a thread groove is formed in the surface of one end of the inside of the filter tube, a sealing ring is fixedly arranged on the surface of one end of the inside of the thread groove, the oil conveying pipe is connected with the thread groove in a screwed mode through threads, and the second hexagonal lantern ring is fixedly arranged at one end of the outer side surface of the filter tube.
The method is further characterized in that: the oil outlet pipe and the oil inlet pipe are symmetrically and fixedly embedded and arranged on the outer side surface of the filter pipe, two ends of the hose are respectively sleeved on the surfaces of one ends of the oil outlet pipe and one end of the oil inlet pipe, and the first filter screen is obliquely and fixedly arranged on the inner surface of the filter pipe.
The method is further characterized in that: the supporting ring is fixedly arranged on the inner surface of the filter pipe and fixedly connected with a first filter screen, the first filter screen and the oil outlet pipe have the same inclination angle, the one-way valve assembly is fixedly arranged on the inner surface of the oil outlet pipe, and a second filter screen is fixedly arranged on the inner surface of the oil inlet pipe.
The utility model has the beneficial effects that:
1. through a plurality of sealing washer of end cover and cylinder body inboard, increase the leakproofness between piston and the cylinder body to avoid hydraulic oil to spill from cylinder body and piston junction, no. one hexagonal lantern ring makes the defeated oil pipe more be convenient for twist and moves, closes through the screw thread with the soon of screw thread infusion hole, makes defeated oil pipe be convenient for install and dismantle, and No. two hexagonal lantern rings make the filtering tube more be convenient for twist and move, closes through the soon of screw thread and screw thread groove, makes the filtering tube more be convenient for install and dismantle.
2. The impurity in the hydraulic oil is blocked through the filter screen No. one, the check valve assembly is propped open to partial hydraulic oil, partial hydraulic oil is enabled to enter the filter tube again through the oil outlet tube, the hose and the oil inlet tube, at this moment, the partial hydraulic oil is pushed to enter the oil outlet tube under the action of the inclination angle of the filter screen No. one, and finally, the impurity is blocked by the filter screen No. two, so that the impurity is collected inside the oil outlet tube and the hose, the hose is made of transparent materials, the impurity inside the hose is convenient to observe, so that the filter assembly is replaced, when the hydraulic oil flows into the filter tube from the inside of the cylinder body, the check valve assembly is closed, the hydraulic oil can only be discharged through the filter tube, and therefore, after a period of use of the hydraulic oil, the impurity in the hydraulic oil can be conveniently and automatically filtered in the conveying process of the hydraulic oil, so that the impurity in the hydraulic oil is prevented from blocking the oil pipeline, the impurity is prevented from entering the piston ring inside the cylinder body to aggravated wearing and tearing, the replacement period of the hydraulic oil is prolonged, the service life of the hydraulic oil is prolonged, and the impurity in the hydraulic oil is convenient to clean.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the end cap and filter assembly of the present utility model in a disassembled configuration;
FIG. 3 is a schematic view of a vertical cross-section of the cylinder head and filter assembly of the present utility model;
FIG. 4 is a schematic cross-sectional view of a filter assembly of the present utility model.
In the figure: 1. a cylinder; 101. an end cap; 102. a cylinder cover; 103. a connecting ring; 104. a piston; 105. ear rings; 106. a threaded transfusion hole; 107. a seal ring; 108. a bolt; 2. an oil delivery pipe; 201. a first hexagonal collar; 3. a filter assembly; 301. a filter tube; 302. an oil outlet pipe; 303. an oil inlet pipe; 304. a hose; 305. a second hexagonal lantern ring; 306. a first filter screen; 307. a support ring; 308. a second filter screen; 309. a one-way valve assembly.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, 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. 1-4, a hydraulic cylinder with a leakage prevention function includes a cylinder body 1, an end cover 101 is fixedly mounted at one end of the cylinder body 1, a cylinder cover 102 is movably disposed at the other end of the cylinder body 1, threaded fluid delivery holes 106 are formed in one side surfaces of the cylinder cover 102 and the end cover 101, an oil delivery pipe 2 is screwed in the threaded fluid delivery holes 106, a filtering assembly 3 is movably disposed at one end of the oil delivery pipe 2, and the filtering assembly 3 includes a filtering pipe 301, an oil outlet pipe 302, an oil inlet pipe 303, a hose 304, a second hexagonal lantern ring 305, a first filter screen 306, a supporting ring 307, a second filter screen 308 and a one-way valve assembly 309.
The upper end of the cylinder body 1 is movably embedded with a bolt 108, the bolt 108 penetrates through the cylinder body 1 to be connected with the cylinder cover 102 in a screwing way, a piston 104 is connected inside the cylinder body 1 in a sliding way, and the piston 104 penetrates through the cylinder cover 102; a plurality of sealing rings 107 are movably embedded in the inner side surfaces of the cylinder body 1 and the cylinder cover 102, one end of the piston 104 is screwed with the lug 105, the connecting ring 103 is fixedly arranged on the surface of one end of the end cover 101, and the tightness between the piston 104 and the cylinder body 1 is improved through the plurality of sealing rings 107 inside the end cover 101 and the cylinder body 1, so that hydraulic oil is prevented from leaking from the joint of the cylinder body 1 and the piston 104.
The outer side surface of the oil delivery pipe 2 is fixedly provided with threads, the oil delivery pipe 2 is connected with the threaded transfusion hole 106 in a screwed mode through the threads, a first hexagonal lantern ring 201 is fixedly arranged in the middle of the outer side surface of the oil delivery pipe 2, the first hexagonal lantern ring 201 enables the oil delivery pipe 2 to be more convenient to screw, and the oil delivery pipe 2 is convenient to install and detach through the screwing of the threads and the threaded transfusion hole 106; a thread groove is formed in one end surface of the interior of the filter tube 301, a sealing ring is fixedly arranged on one end surface of the interior of the thread groove, the oil conveying tube 2 is connected with the thread groove in a screwing way through threads, a second hexagonal lantern ring 305 is fixedly arranged at one end of the outer side surface of the filter tube 301, the second hexagonal lantern ring 305 enables the filter tube 301 to be more convenient to screw, and the filter tube 301 is more convenient to install and detach through screwing of the threads and the thread groove; the oil outlet pipe 302 and the oil inlet pipe 303 are symmetrically and fixedly embedded in the outer side surface of the filter pipe 301, two ends of a hose 304 are respectively sleeved on one end surfaces of the oil outlet pipe 302 and the oil inlet pipe 303, and a first filter screen 306 is obliquely and fixedly arranged on the inner surface of the filter pipe 301; the support ring 307 is fixedly arranged on the inner surface of the filter tube 301 and is fixedly connected with the first filter screen 306, the first filter screen 306 and the oil outlet tube 302 are fixedly arranged on the inner surface of the oil outlet tube 302, the second filter screen 308 is fixedly arranged on the inner side surface of the oil inlet tube 303, hydraulic oil enters from the other end of the filter tube 301, impurities in the hydraulic oil are blocked by the first filter screen 306, part of the hydraulic oil pushes the one-way valve assembly 309 open, part of the hydraulic oil enters the filter tube 301 again through the oil outlet tube 302, the hose 304 and the oil inlet tube 303, at the moment, the part of the hydraulic oil pushes the blocked impurities to enter the inside of the oil outlet tube 302 under the action of the inclination angle of the first filter screen 306, and is blocked by the second filter screen 308, so that the impurities are collected in the inside of the oil outlet tube 302 and the hose 304, the hose 304 is made of transparent materials, so that the impurities in the hose 304 are conveniently observed, the filter assembly 3 is replaced, when the hydraulic oil flows into the inside the filter tube 301 from the cylinder 1, the one-way valve assembly 309 can only be closed, the hydraulic oil can be discharged through the filter tube 301, so that the hydraulic oil can be used for a period of time, the hydraulic oil is convenient to convey the hydraulic oil, the impurities in the hydraulic oil can be automatically, the hydraulic oil can be conveniently filtered in the oil, the oil can be prevented from entering the filter tube, and the inside the filter tube, the impurities, the piston ring is conveniently cleaned, and the impurities can be conveniently, the piston ring 1, and the abrasion is prolonged, and the life is convenient, and the abrasion is caused.
Working principle: when in use, the tightness between the piston 104 and the cylinder body 1 is increased through the end cover 101 and the plurality of sealing rings 107 on the inner side of the cylinder body 1 so as to prevent hydraulic oil from leaking from the joint of the cylinder body 1 and the piston 104, the first hexagonal lantern ring 201 enables the oil delivery pipe 2 to be more convenient to screw, the oil delivery pipe 2 is convenient to mount and dismount through screwing of the screw thread and the screw thread transfusion hole 106, the second hexagonal lantern ring 305 enables the filter pipe 301 to be more convenient to screw, the filter pipe 301 is more convenient to mount and dismount through screwing of the screw thread and the screw thread groove, hydraulic oil enters from the other end of the filter pipe 301, impurities in the hydraulic oil are blocked by the first filter screen 306, part of the hydraulic oil pushes up the one-way valve assembly 309, part of the hydraulic oil enters the filter pipe 301 again through the oil outlet pipe 302, the hose 304 and the oil inlet pipe 303, at the moment, under the action of the inclination angle of the first filter screen 306, the pushing is to the impurity that blocks entering into the oil outlet pipe 302 inside, at last, be blocked by No. two filter screens 308, make impurity collection in oil outlet pipe 302 and hose 304 inside, hose 304 is transparent material, be convenient for observe how much of its inside impurity, so that change filter component 3, when the hydraulic oil flows into filter pipe 301 inside from cylinder body 1, check valve subassembly 309 is closed, make hydraulic oil only discharge through filter pipe 301, thereby can be after the hydraulic oil uses a period, be convenient for filter impurity wherein in the transportation process of hydraulic oil voluntarily, in order to avoid impurity in the hydraulic oil to block up oil pipeline, also avoid impurity to enter into the wearing and tearing of cylinder body 1 inside aggravated piston ring simultaneously, prolong the replacement cycle of hydraulic oil, improve the life of hydraulic oil, and make the impurity in the hydraulic oil be convenient for clear up.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the utility model, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the claims.
Claims (7)
1. The utility model provides a hydraulic cylinder with prevent leaking function, its characterized in that, including cylinder body (1), cylinder body (1) one end fixed mounting has end cover (101), cylinder body (1) other end activity is equipped with cylinder cap (102), screw transfusion hole (106) have all been seted up on cylinder cap (102) and end cover (101) one side surface, screw transfusion hole (106) inside spin is connected with oil delivery pipe (2), oil delivery pipe (2) one end activity is equipped with filter unit (3), filter unit (3) include filter tube (301), play oil pipe (302), oil feed pipe (303), hose (304), no. two hexagonal lantern rings (305), filter screen (306), support ring (307), no. two filter screens (308) and check valve subassembly (309).
2. The hydraulic cylinder with the anti-leakage function according to claim 1, wherein a bolt (108) is movably embedded in the upper end of the cylinder body (1), the bolt (108) penetrates through the cylinder body (1) to be connected with the cylinder cover (102) in a screwing mode, a piston (104) is slidably connected inside the cylinder body (1), and the piston (104) penetrates through the cylinder cover (102).
3. The hydraulic cylinder with the anti-leakage function according to claim 2, wherein a plurality of sealing rings (107) are movably embedded in the inner side surfaces of the cylinder body (1) and the cylinder cover (102), one end of the piston (104) is connected with an earring (105) in a screwing mode, and one end surface of the end cover (101) is fixedly provided with a connecting ring (103).
4. The hydraulic cylinder with the anti-leakage function according to claim 1, wherein threads are fixedly arranged on the outer side surface of the oil delivery pipe (2), the oil delivery pipe (2) is connected with the threaded infusion hole (106) in a screwed mode through the threads, and a first hexagonal lantern ring (201) is fixedly arranged in the middle of the outer side surface of the oil delivery pipe (2).
5. The hydraulic cylinder with the anti-leakage function according to claim 4, wherein a thread groove is formed in one end surface of the inside of the filter pipe (301), a sealing ring is fixedly arranged on one end surface of the inside of the thread groove, the oil delivery pipe (2) is connected with the thread groove in a screwing mode through threads, and the second hexagonal lantern ring (305) is fixedly arranged at one end of the outer side surface of the filter pipe (301).
6. The hydraulic cylinder with the anti-leakage function according to claim 5, wherein the oil outlet pipe (302) and the oil inlet pipe (303) are symmetrically and fixedly embedded and installed on the outer side surface of the filter pipe (301), two ends of the hose (304) are respectively sleeved on one end surfaces of the oil outlet pipe (302) and the oil inlet pipe (303), and the first filter screen (306) is obliquely and fixedly installed on the inner surface of the filter pipe (301).
7. The hydraulic cylinder with the leakage prevention function according to claim 6, wherein the supporting ring (307) is fixedly installed on the inner surface of the filter tube (301) and fixedly connected with a first filter screen (306), the inclination angles of the first filter screen (306) and the oil outlet tube (302) are the same, the one-way valve assembly (309) is fixedly installed on the inner surface of the oil outlet tube (302), and the second filter screen (308) is fixedly installed on the inner surface of the oil inlet tube (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321830141.7U CN220487987U (en) | 2023-07-12 | 2023-07-12 | Hydraulic cylinder with leak-proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321830141.7U CN220487987U (en) | 2023-07-12 | 2023-07-12 | Hydraulic cylinder with leak-proof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220487987U true CN220487987U (en) | 2024-02-13 |
Family
ID=89842549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321830141.7U Active CN220487987U (en) | 2023-07-12 | 2023-07-12 | Hydraulic cylinder with leak-proof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220487987U (en) |
-
2023
- 2023-07-12 CN CN202321830141.7U patent/CN220487987U/en active Active
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