CN216241582U - Novel hydraulic cylinder leakage-proof device - Google Patents
Novel hydraulic cylinder leakage-proof device Download PDFInfo
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- CN216241582U CN216241582U CN202122197673.9U CN202122197673U CN216241582U CN 216241582 U CN216241582 U CN 216241582U CN 202122197673 U CN202122197673 U CN 202122197673U CN 216241582 U CN216241582 U CN 216241582U
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Abstract
The utility model relates to the technical field of hydraulic cylinders, in particular to a novel hydraulic cylinder leakage-proof device which comprises a hydraulic cylinder body, wherein an oil inlet is arranged on the side wall of the hydraulic cylinder body and close to the bottom of the hydraulic cylinder body, an oil outlet is arranged above the oil inlet and on the side wall of the hydraulic cylinder body, one-way leakage-proof components are respectively connected inside the oil inlet and the oil outlet, each one-way leakage-proof component comprises an oil pipe connector and a stop sleeve, a stop plate is arranged inside the stop sleeve, and a guide rod is sleeved at the center of the stop plate. Meanwhile, the working efficiency of the hydraulic oil cylinder in linear reciprocating motion is improved.
Description
Technical Field
The utility model relates to the technical field of hydraulic oil cylinders, in particular to a novel hydraulic oil cylinder leakage-proof device.
Background
The hydraulic oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, has simple structure and reliable work, can remove a speed reducer when the hydraulic oil cylinder is used for realizing the reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to various mechanical hydraulic systems.
In conclusion, the novel hydraulic oil cylinder leakage-proof device is designed to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel hydraulic oil cylinder leakage-proof device to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a novel hydraulic cylinder leak protection device, includes the hydraulic cylinder body, the bottom that is close to the hydraulic cylinder body on the lateral wall of hydraulic cylinder body is provided with the oil inlet, the top of oil inlet is provided with the oil-out on being located the lateral wall of hydraulic cylinder body, the inside of oil inlet and oil-out all is connected with one-way leak protection subassembly, one-way leak protection subassembly includes the oil pipe connector and ends the sleeve, it cuts the board to be provided with on the telescopic inside, the center department that cuts the board has cup jointed the guide arm, the one end of guide arm is connected with and ends the cap, the other end that ends the cap is connected with the location dog, the outer wall of guide arm is and be located the location dog and has cup jointed reset spring between ending the board.
According to the preferable scheme of the utility model, the oil pipe connector is in threaded connection with the stop sleeve, and the stop sleeve is in threaded connection with the oil inlet and the oil outlet respectively.
As a preferable scheme of the utility model, the cut-off plate is provided with a through hole at the center, and the diameter size of the through hole is larger than that of the guide rod and is 3-5 mm.
As a preferable scheme of the present invention, the guide rod and the return spring are in clearance fit, the stop cap is a tapered cap, and the diameter size of the stop cap is greater than that of the positioning stopper, and the diameter size of the positioning stopper is greater than that of the through hole.
According to the preferable scheme of the utility model, the stop sleeve, the stop plate, the guide rod, the stop cap, the positioning stop block and the return spring form a one-way valve structure, the flow direction of the one-way valve structure on the oil inlet faces to the inside of the hydraulic oil cylinder body, and the flow direction of the one-way valve structure on the oil outlet is opposite to the flow direction of the one-way valve structure on the oil inlet.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the hydraulic oil cylinder, the check valve structures are arranged on the oil inlet and the oil outlet of the hydraulic oil cylinder body, so that one-way flow is realized by utilizing the principle of the check valve structures, the problem that oil flows back due to pressure in the cylinder body when the hydraulic oil cylinder is used is solved, the phenomenon of oil leakage is easy to occur, and meanwhile, the working efficiency of the hydraulic oil cylinder in linear reciprocating motion is improved.
2. According to the hydraulic oil cylinder, the check valve structures are arranged on the oil inlet and the oil outlet of the hydraulic oil cylinder body, so that the hydraulic oil cylinder is simple and compact in structure, and more reasonable and scientific in design, so that the hydraulic oil cylinder is stronger in service performance and more suitable for large-scale popularization and use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic illustration of the exploded structure of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of a one-way containment assembly of the present invention;
fig. 4 is a schematic sectional structure view of the stopping sleeve of the present invention.
In the figure: 1. a hydraulic cylinder body; 2. an oil inlet; 3. an oil outlet; 4. a one-way leak-proof assembly; 401. an oil pipe connector; 402. a cut-off sleeve; 403. a cut-off plate; 404. a guide bar; 405. a cut-off cap; 406. positioning a stop block; 407. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
While several embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in order to facilitate an understanding of the utility model, the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed to provide a more complete disclosure of the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, the present invention provides a technical solution:
the utility model provides a novel hydraulic cylinder leak protection device, including hydraulic cylinder body 1, be provided with oil inlet 2 on hydraulic cylinder body 1's the lateral wall and the bottom that is close to hydraulic cylinder body 1, the top of oil inlet 2 is and be located and be provided with oil-out 3 on hydraulic cylinder body 1's the lateral wall, the inside of oil inlet 2 and oil-out 3 all is connected with one-way leak protection subassembly 4, one-way leak protection subassembly 4 includes oil pipe connector 401 and ends sleeve 402, be provided with on the inside of ending sleeve 402 and cut off board 403, the center department that ends board 403 has cup jointed guide arm 404, the one end of guide arm 404 is connected with and ends cap 405, the other end that ends cap 403 is connected with location dog 406, the outer wall of guide arm 404 has cup jointed reset spring 407 between being located location dog 406 and the end board.
In the embodiment, referring to fig. 1, the oil pipe connector 401 is in threaded connection with the stop sleeve 402, and the stop sleeve 402 is in threaded connection with the oil inlet 2 and the oil outlet 3 respectively, so that the disassembly, assembly and maintenance are convenient;
in the embodiment, referring to fig. 1, 2 and 4, a through hole is opened at the center of the stop plate 403, the diameter of the through hole is larger than that of the guide rod 404 and is 3-5mm, the guide rod 404 is in clearance fit with the return spring 407, the stop cap 405 is a conical cap, the diameter of the stop cap is larger than that of the positioning block 406, the diameter of the positioning block 406 is larger than that of the through hole, when the oil inlet pipeline is connected to the oil pipe connector 401, the hydraulic oil in the oil inlet pipeline passes through the oil pipe connector 401 and enters the inside of the stop sleeve 402, so that when the hydraulic oil is accumulated in the inside of the stop sleeve 402, the positioning block 406 is pressurized, at this time, the stop sleeve 402, the stop plate 403, the guide rod 404, the stop cap 405, the positioning block 406 and the return spring constitute a one-way valve structure, the flow direction of the one-way valve structure on the oil inlet 2 is toward the inside of the hydraulic cylinder body 1, the hydraulic oil cylinder body 1 is moved, so that hydraulic oil enters the hydraulic oil cylinder body 1 through the through hole, when the hydraulic oil in the hydraulic oil cylinder body 1 is accumulated and generates overlarge pressure, the stop cap 405 is pushed backwards, the reverse stop cap 405 is blocked in the through hole under the action of the return spring 407, the hydraulic oil is intercepted, namely the backflow of the hydraulic oil is prevented, and meanwhile, the backflow of the hydraulic oil is prevented under the action that the flow direction of the check valve structure of the oil outlet 3 is opposite to the flow direction of the check valve structure on the oil inlet 2.
The working process of the utility model is as follows: when the hydraulic oil cylinder is used, when an oil inlet pipeline is connected to an oil pipe connector 401, hydraulic oil in the oil inlet pipeline passes through the oil pipe connector 401 and enters the inside of a stop sleeve 402, so that when the hydraulic oil is accumulated in the inside of the stop sleeve 402, a positioning stop block 406 is pressurized, the stop sleeve 402, a stop plate 403, a guide rod 404, a stop cap 405, the positioning stop block 406 and a return spring 407 form a one-way valve structure, the flow direction of the one-way valve structure on an oil inlet 2 is towards the inside of the hydraulic oil cylinder body 1 under the action of the pressure of the hydraulic oil cylinder body 1, a through hole is formed in the center of the stop plate 403, the diameter size of the through hole is larger than that of the guide rod 404, and the through hole moves towards the inside of the hydraulic oil cylinder body 1 under the action of the size of 3-5mm, so that the hydraulic oil enters the inside of the hydraulic oil cylinder body 1 through the through hole, when the inside of the hydraulic oil cylinder body 1 is accumulated and excessive pressure is generated, the reverse thrust stop cap 405 is arranged, under the action of the reset spring 407, the reverse thrust stop cap 405 is blocked in the through hole, the interception of hydraulic oil is realized, namely, the backflow of the hydraulic oil is prevented, meanwhile, under the action that the flow direction of the one-way valve structure of the oil outlet 3 is opposite to that of the one-way valve structure on the oil inlet 2, the backflow of the hydraulic oil is prevented, the one-way valve structures are arranged on the oil inlet 2 and the oil outlet 3 of the hydraulic oil cylinder body 1 in the process, so that the one-way flow is realized by utilizing the principle of the one-way valve structure, the problem that when the hydraulic oil cylinder is used, the pressure in the cylinder body can cause the backflow of the oil is solved, the oil leakage phenomenon is easy to occur, and the working efficiency of the hydraulic oil cylinder in linear reciprocating motion is improved.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a novel hydraulic cylinder leak protection device, includes hydraulic cylinder body (1), its characterized in that: an oil inlet (2) is arranged on the side wall of the hydraulic oil cylinder body (1) and close to the bottom of the hydraulic oil cylinder body (1), an oil outlet (3) is arranged above the oil inlet (2) and on the side wall of the hydraulic oil cylinder body (1), the insides of the oil inlet (2) and the oil outlet (3) are both connected with one-way leakage-proof components (4), the one-way leakage-proof component (4) comprises an oil pipe connector (401) and a cut-off sleeve (402), a stop plate (403) is arranged inside the stop sleeve (402), a guide rod (404) is sleeved at the center of the stop plate (403), one end of the guide rod (404) is connected with a stop cap (405), the other end of the stop cap (405) is connected with a positioning stop block (406), and a return spring (407) is sleeved on the outer wall of the guide rod (404) and positioned between the positioning stop block (406) and the stop plate (403).
2. The novel hydraulic oil cylinder leakage-proof device as claimed in claim 1, characterized in that: the oil pipe connector (401) is in threaded connection with the stop sleeve (402), and the stop sleeve (402) is in threaded connection with the oil inlet (2) and the oil outlet (3) respectively.
3. The novel hydraulic oil cylinder leakage-proof device as claimed in claim 2, characterized in that: the center of the stop plate (403) is provided with a through hole, and the diameter of the through hole is larger than that of the guide rod (404) and is 3-5 mm.
4. A novel hydraulic oil cylinder leakage-proof device according to claim 3, characterized in that: the guide rod (404) and the return spring (407) are in clearance fit, the stop cap (405) is a conical cap, the diameter size of the stop cap is larger than that of the positioning stop block (406), and the diameter size of the positioning stop block (406) is larger than that of the through hole.
5. The novel hydraulic oil cylinder leakage-proof device as claimed in claim 4, characterized in that: the stop sleeve (402), the stop plate (403), the guide rod (404), the stop cap (405), the positioning stop block (406) and the return spring (407) form a one-way valve structure, the flow direction of the one-way valve structure on the oil inlet (2) faces towards the inside of the hydraulic oil cylinder body (1), and the flow direction of the one-way valve structure on the oil outlet (3) is opposite to the flow direction of the one-way valve structure on the oil inlet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197673.9U CN216241582U (en) | 2021-09-10 | 2021-09-10 | Novel hydraulic cylinder leakage-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197673.9U CN216241582U (en) | 2021-09-10 | 2021-09-10 | Novel hydraulic cylinder leakage-proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216241582U true CN216241582U (en) | 2022-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122197673.9U Active CN216241582U (en) | 2021-09-10 | 2021-09-10 | Novel hydraulic cylinder leakage-proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216241582U (en) |
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2021
- 2021-09-10 CN CN202122197673.9U patent/CN216241582U/en active Active
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