CN219242334U - Hydraulic control one-way valve structure with good sealing performance - Google Patents
Hydraulic control one-way valve structure with good sealing performance Download PDFInfo
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- CN219242334U CN219242334U CN202320073887.1U CN202320073887U CN219242334U CN 219242334 U CN219242334 U CN 219242334U CN 202320073887 U CN202320073887 U CN 202320073887U CN 219242334 U CN219242334 U CN 219242334U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a hydraulic control one-way valve structure with good sealing performance, and relates to the technical field of valve equipment. The utility model comprises a valve pipe structure and a valve control structure, wherein the valve control structure is movably connected inside the valve pipe structure; the valve control structure comprises a left piston plate, a right piston plate, a valve rod, a linkage column and a hydraulic control piston, wherein the front side surface of the left piston plate is in sliding connection with the linkage column, the front side surface of the linkage column is in sliding connection with the right piston plate, the linkage column is fixedly connected to the middle lower position of the valve rod body, and the upper end of the valve rod is fixedly connected with the hydraulic control piston. The utility model solves the problems of poor long-term joint control effect and insufficient sealing performance for a valve channel of the internal valve control structure of the hydraulic control one-way valve through the valve pipe structure and the valve control structure.
Description
Technical Field
The utility model belongs to the technical field related to valve equipment, and particularly relates to a hydraulic control one-way valve structure with good sealing performance.
Background
The hydraulic control one-way valve occupies an important position in hydraulic supporting equipment of coal mine machinery, and is different from the common one-way valve in that a control oil way is added, when the control oil way is not connected with pressure oil, the hydraulic control one-way valve works like the common one-way valve, and the pressure oil only flows from an oil inlet to an oil outlet and cannot flow reversely. When the control oil way is provided with control pressure input, the piston ejector rod moves rightwards under the action of pressure oil, and the one-way valve is ejected by the ejector rod, so that the oil inlet and the oil outlet are communicated.
The valve control structure of the prior hydraulic control check valve has poor long-term joint control effect and insufficient sealing performance, and because the internal flow valve channel is controlled only through the linkage structure of the valve rod and the spring, the joint control capability of the valve rod and the spring can be greatly reduced due to the aging of the spring in long-term use, and the conditions of liquid leakage and liquid running are easy to occur due to the insufficient sealing capability.
Disclosure of Invention
The utility model aims to provide a hydraulic control one-way valve structure with good sealing performance, and solves the problems of poor long-term joint control effect and insufficient sealing performance for a valve channel of an internal valve control structure of a hydraulic control one-way valve through a valve pipe structure and a valve control structure.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a hydraulic control one-way valve structure with good sealing performance, which comprises a valve pipe structure and a valve control structure, wherein the valve control structure is movably connected inside the valve pipe structure;
the valve control structure comprises a left piston plate, a right piston plate, a valve rod, a linkage column and a hydraulic control piston, wherein the front side surface of the left piston plate is in sliding connection with the linkage column, the front side surface of the linkage column is in sliding connection with the right piston plate, the linkage column is fixedly connected to the middle lower position of a valve rod body, and the upper end of the valve rod is fixedly connected with the hydraulic control piston; through set up left piston plate, right piston plate, valve rod, linkage post and hydraulically controlled piston in valve tube structure inside, can adopt the mode of slip and promotion combination under fluid pressure or oil pressure's effect, realize that left piston plate, right piston plate utilize the linkage post to the joint control of check valve, its linkage ability is stronger, stability is higher, and life is longer, and utilize two pistons, a valve rod to carry out the mode of joint control to the valve way, guarantee with three seal effect to the check valve is inside, can guarantee the leakproofness that the check valve used for a long time.
Further, the valve pipe structure comprises an installation pipe body, a hydraulic control pipe, a valve channel and a hydraulic control connecting interface, wherein the valve channel is arranged below the inner wall of the installation pipe body, the hydraulic control pipe is fixedly connected above the pipe wall of the installation pipe body, and the two hydraulic control connecting interfaces are fixedly connected to the side surfaces of the upper end and the lower end of the hydraulic control pipe;
further, the valve channel is arranged in the pipe wall of the installation pipe body, and three through holes communicated with the inside of the installation pipe body are formed in an equidistant manner; through set up the valve way in the installation body inside, can provide the controllable passageway of fluid circulation for the check valve, through the setting of valve way and hydraulically controlled connection interface, can cooperate the hydraulically controlled piston to the effect of oil pressure carries out the control to the valve accuse structure.
Further, the left piston plate, the right piston plate, the valve rod and the linkage column are all movably connected in the installation pipe body, the lower end of the valve rod is inserted into a through hole in the middle of the valve channel, and the upper end of the valve rod penetrates out of the installation pipe body and is fixedly connected with the hydraulic control piston in the hydraulic control pipe;
further, the left piston plate and the right piston plate are both L-shaped, and inclined strip rails are arranged on the straight plate surfaces;
further, the front and rear sides of the linkage column are provided with inclined rail grooves connected with the left piston plate and the right piston plate.
The utility model has the following beneficial effects:
1. according to the utility model, the left piston plate, the right piston plate, the valve rod, the linkage column and the hydraulic control piston are arranged in the valve pipe structure, so that the left piston plate and the right piston plate can realize the linkage control of the one-way valve by utilizing the linkage column in a sliding and pushing combined mode under the action of fluid pressure or oil pressure, the linkage capacity is stronger, the stability is higher and the service life is longer.
2. According to the utility model, through the arrangement of the left piston plate, the right piston plate, the valve rod, the linkage column and the hydraulic control piston, the sealing effect of the valve channel in the check valve can be ensured by utilizing the mode of joint control of two pistons and one valve rod by three ports, and the sealing performance of the check valve for long-term use can be ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a cross-sectional view of a valve tube structure of the present utility model;
FIG. 4 is a split view of the valve control structure of the present utility model.
Reference numerals:
1. a valve tube structure; 101. installing a tube body; 102. a hydraulic control pipe; 103. a valve passage; 104. a hydraulic control connection interface; 2. a valve control structure; 201. a left piston plate; 202. a right piston plate; 203. a valve stem; 204. a linkage column; 205. a hydraulic control piston.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-4, the utility model discloses a hydraulic control one-way valve structure with good sealing performance, which comprises a valve pipe structure 1 and a valve control structure 2, wherein the valve control structure 2 is movably connected with the interior of the valve pipe structure 1;
the valve control structure 2 comprises a left piston plate 201, a right piston plate 202, a valve rod 203, a linkage column 204 and a hydraulic control piston 205, wherein the front side surface of the left piston plate 201 is in sliding connection with the linkage column 204, the front side surface of the linkage column 204 is in sliding connection with the right piston plate 202, the linkage column 204 is fixedly connected to the middle lower position of the rod body of the valve rod 203, and the upper end of the valve rod 203 is fixedly connected with the hydraulic control piston 205;
the left piston plate 201 and the right piston plate 202 are of two L-shaped piston structures with the same structure, wherein the left piston plate 201 is slidably connected to the left end inside the mounting pipe body 101, the right piston plate 202 is slidably connected to the right end inside the mounting pipe body 101, the opposite straight plate surfaces of the left piston plate 201 and the right piston plate 202 are respectively provided with a strip rail which is obliquely arranged, the strip rails are slidably connected with the linkage columns 204 between the strip rails, the linkage columns 204 are fixedly arranged on the rod body of the valve rod 203, the lower end of the valve rod 203 is inserted into a through hole in the middle of the valve rod 203 when the one-way valve channel 103 is not opened, the valve channel 103 is plugged, the upper end of the valve channel 103 upwards penetrates out of the mounting pipe body 101 into the inside of the hydraulic control pipe 102 and is fixedly connected with the hydraulic control piston 205 inside the hydraulic control pipe 102, the left piston plate 201, the right piston plate 202, the valve rod 203, the linkage columns 204 and the hydraulic control piston 205 are arranged inside the valve pipe structure 1, the linkage columns 204 can be slidably and pushed in a combined mode under the action of fluid pressure or oil pressure, the linkage valves are realized, the linkage valves of the left piston plate 201 and the right piston plate 202 can be used for sealing the one-way valve channel 103, the two one-way valves can be sealed more effectively, and the service life of the two one-way valves can be guaranteed, and the service life of the linkage valve can be guaranteed more and the service life can be guaranteed.
As shown in fig. 1-3, the valve pipe structure 1 comprises a mounting pipe body 101, a hydraulic control pipe 102, a valve channel 103 and a hydraulic control connecting interface 104, wherein the valve channel 103 is arranged below the inner wall of the mounting pipe body 101, the hydraulic control pipe 102 is fixedly connected above the pipe wall of the mounting pipe body 101, and the two hydraulic control connecting interfaces 104 are fixedly connected on the side surfaces of the upper end and the lower end of the hydraulic control pipe 102; the valve channel 103 is arranged in the pipe wall of the installation pipe body 101, and three through holes communicated with the inside of the installation pipe body 101 are formed in an equidistant manner;
the installation pipe body 101 is a main pipeline structure of a one-way valve, three through holes are formed in the pipe wall of the inside of the installation pipe body at equal intervals, the three through holes are communicated with the valve channel 103, wherein the left through hole is close to the left piston plate 201, the lower end of the valve rod 203 is inserted into the through hole in the middle, the right through hole is close to the right piston plate 202, the hydraulic control pipe 102 communicated with the installation pipe body 101 is fixed above the side surface of the installation pipe body 101, the hydraulic control connecting interfaces 104 are fixedly arranged on the side surfaces of the upper end and the lower end of the hydraulic control pipe 102, the valve channel 103 is arranged in the installation pipe body 101, a controllable channel for fluid circulation is provided for the one-way valve, and the hydraulic control piston 205 can be matched with the arrangement of the valve channel 103 to control the valve control structure 2 under the action of oil pressure.
As shown in fig. 1, 2 and 4, the left piston plate 201, the right piston plate 202, the valve rod 203 and the linkage column 204 are all movably connected in the installation tube body 101, the lower end of the valve rod 203 is inserted in a through hole in the middle of the valve channel 103, and the upper end of the valve rod 203 penetrates out of the installation tube body 101 and is fixedly connected with the hydraulic control piston 205 in the hydraulic control tube 102; the left piston plate 201 and the right piston plate 202 are L-shaped, and inclined strip rails are arranged on the straight plate surfaces; the linkage column 204 is provided with inclined rail grooves on the front and rear sides thereof, which are connected to the left and right piston plates 201 and 202.
One specific application of this embodiment is: when the hydraulic control one-way valve is used, the one-way valve structure is firstly installed and fixed on a pipeline, and the pressure oil pipe is connected with the hydraulic control connecting interface 104. In the use process, fluid can enter the installation pipe 101 through a pipeline, the fluid can exert pressure on the left piston plate 201, the left piston plate 201 can move rightwards under the action of the fluid pressure, the left piston plate 201 can push the linkage column 204 and the valve rod 203 upwards in the right moving process, the right piston plate 202 is pulled leftwards through the linkage column 204, at the moment, the valve rod 203 can be pulled out in the through hole in the middle of the valve channel 103 until the left piston plate 201 and the right piston plate 202 move through the left through hole and the right through hole of the valve channel 103, the piston channel 103 is penetrated, and then pressure oil can be input into the hydraulic control pipe 102 through the hydraulic control connection interface 104 to exert pressure on the hydraulic control piston 205, so that the working states of the left piston plate 201, the right piston plate 202, the valve rod 203 and the linkage column 204 are controlled.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.
Claims (6)
1. The utility model provides a hydraulically controlled check valve structure with good leakproofness, includes valve pipe structure (1) and valve accuse structure (2), its characterized in that: the valve control structure (2) is movably connected inside the valve pipe structure (1);
the valve control structure (2) comprises a left piston plate (201), a right piston plate (202), a valve rod (203), a linkage column (204) and a hydraulic control piston (205), wherein the front side surface of the left piston plate (201) is in sliding connection with the linkage column (204), the front side surface of the linkage column (204) is in sliding connection with the right piston plate (202), the linkage column (204) is fixedly connected to the middle lower position of a shaft of the valve rod (203), and the upper end of the valve rod (203) is fixedly connected with the hydraulic control piston (205).
2. The hydraulically controlled check valve structure with good sealing according to claim 1, wherein: the valve pipe structure (1) comprises an installation pipe body (101), a hydraulic control pipe (102), a valve channel (103) and a hydraulic control connecting interface (104), wherein the valve channel (103) is arranged below the inner wall of the installation pipe body (101), the hydraulic control pipe (102) is fixedly connected to the upper part of the pipe wall of the installation pipe body (101), and two hydraulic control connecting interfaces (104) are fixedly connected to the side faces of the upper end and the lower end of the hydraulic control pipe (102).
3. The hydraulically controlled check valve structure with good sealing according to claim 2, wherein: the valve pipeline (103) is arranged in the pipe wall of the installation pipe body (101), and three through holes communicated with the inside of the installation pipe body (101) are formed in an equidistant mode.
4. The hydraulically controlled check valve structure with good sealing according to claim 2, wherein: the left piston plate (201), the right piston plate (202), the valve rod (203) and the linkage column (204) are all movably connected in the installation pipe body (101), the lower end of the valve rod (203) is inserted into a through hole in the middle of the valve channel (103), and the upper end of the valve rod (203) penetrates out of the installation pipe body (101) and is fixedly connected with the hydraulic control piston (205) in the hydraulic control pipe (102).
5. The hydraulically controlled check valve structure with good sealing according to claim 1, wherein: the left piston plate (201) and the right piston plate (202) are both L-shaped, and inclined strip rails are arranged on the straight plate surfaces.
6. The hydraulically controlled check valve structure with good sealing according to claim 1, wherein: the front and rear sides of the linkage column (204) are provided with inclined rail grooves connected with a left piston plate (201) and a right piston plate (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320073887.1U CN219242334U (en) | 2023-01-10 | 2023-01-10 | Hydraulic control one-way valve structure with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320073887.1U CN219242334U (en) | 2023-01-10 | 2023-01-10 | Hydraulic control one-way valve structure with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219242334U true CN219242334U (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320073887.1U Active CN219242334U (en) | 2023-01-10 | 2023-01-10 | Hydraulic control one-way valve structure with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219242334U (en) |
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2023
- 2023-01-10 CN CN202320073887.1U patent/CN219242334U/en active Active
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