CN210566642U - Overground bolt valve clack structure with secondary sealing function - Google Patents
Overground bolt valve clack structure with secondary sealing function Download PDFInfo
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- CN210566642U CN210566642U CN201921338500.0U CN201921338500U CN210566642U CN 210566642 U CN210566642 U CN 210566642U CN 201921338500 U CN201921338500 U CN 201921338500U CN 210566642 U CN210566642 U CN 210566642U
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- secondary sealing
- valve clack
- connecting piece
- air pressure
- slider
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Abstract
The utility model provides an on ground bolt valve clack structure with secondary seal function, its structure includes the connecting piece, the spacing ring, the valve clack body, the connecting piece lower extreme runs through in the spacing ring center and is connected through gliding mode, spacing ring fixed mounting is in valve clack body upper end, connecting piece lower part outer wall is equipped with the slider, the inside spout corresponding with the slider that is equipped with of spacing ring, the slider is joined in marriage in the spout, be equipped with reset spring between slider bottom and the spout bottom, valve clack body lower part is equipped with swing joint's secondary sealing ring, the internal portion of valve clack is equipped with the transmission structure that promotes the secondary sealing ring, the transmission structure includes the push rod, the piston piece, sealed atmospheric pressure chamber, carry out the structure that secondary seal when being equipped with the valve in the valve clack, the.
Description
Technical Field
The utility model relates to a bolt valve lamella structure on ground with secondary seal function belongs to bolt valve lamella structure field on the ground.
Background
The ground bolt is often internally provided with a valve structure, the valve structure is internally provided with a valve clack for opening and closing the medium, and the conical surface at the bottom of the valve clack structure of the existing ground bolt can cause slight abrasion through the erosion of the medium after being opened, thereby easily influencing the sealing performance of the valve clack.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be not enough to prior art exists, the utility model aims at providing a bolt valve lamella structure on ground with secondary seal function to solve the current conical surface of bolt valve lamella structure bottom on the ground and opening the back, through the washing away of medium, can cause slight wearing and tearing, cause the problem of influence to the sealing performance of valve clack easily.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a ground bolt valve clack structure with a secondary sealing function comprises a connecting piece, a limiting ring and a valve clack body, wherein the lower end of the connecting piece penetrates through the center of the limiting ring and is connected with the limiting ring in a sliding mode, the limiting ring is fixedly arranged at the upper end of the valve clack body, a sliding block is arranged on the outer wall of the lower portion of the connecting piece, a sliding groove corresponding to the sliding block is formed in the limiting ring, the sliding block is arranged in the sliding groove, a reset spring is arranged between the bottom of the sliding block and the bottom of the sliding groove, a secondary sealing ring is movably connected with the lower portion of the valve clack body, a transmission structure for pushing the secondary sealing ring is arranged in the valve clack body and comprises a push rod, a piston block and a sealing air pressure cavity, an air pressure channel is arranged at the lower portion of the sealing air pressure cavity, the push, the piston rod is fixedly arranged at the upper end of the piston block.
Further, the upper end of the piston rod is connected with the bottom of the connecting piece.
Furthermore, the upper end of the valve clack body is provided with a movable groove corresponding to the connecting piece.
Further, the secondary sealing ring is made of rubber materials and is fixedly connected with the push rod.
Furthermore, the push rods are two, and the air pressure channels are two.
The utility model has the advantages that: the structure for carrying out secondary sealing when the valve is closed is arranged in the valve clack, so that the sealing performance of the valve clack after abrasion is effectively improved, and the service life is prolonged.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of an above-ground latch valve flap structure with a secondary sealing function according to the present invention;
fig. 2 is a schematic structural diagram of an above-ground latch valve flap structure with a secondary sealing function according to the present invention.
In the figure: the valve comprises a connecting piece-1, a limiting ring-2, a valve clack body-3, a sliding block-6, a sliding groove-7, a reset spring-8, a secondary sealing ring-4, a push rod-301, a piston rod-302, a piston block-303 and a sealing air pressure cavity-304.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 and 2, the present invention provides a technical solution of an above-ground bolt valve flap with secondary sealing function: the structure of the valve comprises a connecting piece 1, a limiting ring 2 and a valve body 3, wherein the lower end of the connecting piece 1 penetrates through the center of the limiting ring 2 and is connected with the limiting ring in a sliding mode, the limiting ring 2 is fixedly arranged at the upper end of the valve body 3, a sliding block 6 is arranged on the outer wall of the lower part of the connecting piece 1, a sliding groove 7 corresponding to the sliding block 6 is arranged inside the limiting ring 2, the sliding block 6 is arranged in the sliding groove 7, a reset spring 8 is arranged between the bottom of the sliding block 6 and the bottom of the sliding groove 7, a secondary sealing ring 4 in movable connection is arranged at the lower part of the valve body 3, a transmission structure for pushing the secondary sealing ring 4 is arranged inside the valve body 3, the transmission structure comprises a push rod 301, a piston rod 302, a piston block 303 and a sealed air pressure cavity 304, an air pressure channel is arranged at the lower part of the sealed air pressure cavity 304, the push rod, piston rod 302 fixed mounting is in piston piece 303 upper end, piston rod 302 upper end is connected with connecting piece 1 bottom, the valve clack body 3 upper end is equipped with the activity groove corresponding with connecting piece 1, secondary sealing ring 4 is made by the rubber material, secondary sealing ring 4 and push rod 301 fixed connection, push rod 301 is equipped with two, and the atmospheric pressure passageway is equipped with two.
For example, the connecting element 1 of the present invention is longer than the existing connecting element 1, the length of the extra length is equal to the length from the bottom of the sliding groove 7 to the bottom of the sliding block 6, when the ground bolt valve is closed, the valve flap body 3 is axially moved and embedded into the sealing structure inside the valve, after being limited, the connecting element 1 continues to axially move, the sliding block 6 on the connecting element 1 moves along the sliding groove 7, the reset spring 8 compresses to generate deformation, the sliding block 6 is limited and stops after moving to the bottom of the sliding groove 7, during the moving process, the connecting element 1 drives the piston rod 302, the piston rod 302 drives the connected piston block 303, so that the piston block 303 squeezes the air pressure in the sealing air pressure cavity 304 into the air pressure channel at the lower part of the sealing air pressure cavity 304, the push rod 301 in the air pressure channel slides under the air pressure force, during the sliding, the secondary sealing ring 4 made of rubber, carry out the secondary to the seal structure in the valve and seal, effectively improve the valve flap body 3 sealing performance after wearing and tearing, improve life, when opening, connecting piece 1 moves up, and after slider 6 moved 7 tops of spout, piston block 303 was taken back the atmospheric pressure in the atmospheric pressure passageway simultaneously, and push rod 301 drives secondary seal ring 4 and resets, and connecting piece 1 drives valve flap body 3 and removes the restriction to the inside seal structure of valve, and the medium can flow.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides an on ground bolt valve lamella structure with secondary seal function which characterized in that: its structure includes connecting piece (1), spacing ring (2), the valve clack body (3), connecting piece (1) lower extreme runs through in spacing ring (2) center and is connected through gliding mode, spacing ring (2) fixed mounting is in valve clack body (3) upper end, connecting piece (1) lower part outer wall is equipped with slider (6), inside spout (7) corresponding with slider (6) of being equipped with of spacing ring (2), slider (6) are joined in marriage in spout (7), be equipped with reset spring (8) between slider (6) bottom and spout (7) bottom, valve clack body (3) lower part is equipped with swing joint's secondary sealing ring (4), the inside transmission structure that promotes secondary sealing ring (4) that is equipped with of valve clack body (3), transmission structure includes push rod (301), piston rod (302), piston piece (303), The piston is characterized by comprising a sealed air pressure cavity (304), an air pressure channel is arranged on the lower portion of the sealed air pressure cavity (304), the push rod (301) is arranged in the air pressure channel and in transition fit, the piston block (303) is arranged in the sealed air pressure cavity (304), and the piston rod (302) is fixedly installed at the upper end of the piston block (303).
2. An above-ground plug valve flap structure with secondary sealing function according to claim 1, characterized in that: the upper end of the piston rod (302) is connected with the bottom of the connecting piece (1).
3. An above-ground plug valve flap structure with secondary sealing function according to claim 1, characterized in that: the upper end of the valve clack body (3) is provided with a movable groove corresponding to the connecting piece (1).
4. An above-ground plug valve flap structure with secondary sealing function according to claim 1, characterized in that: the secondary sealing ring (4) is made of rubber materials, and the secondary sealing ring (4) is fixedly connected with the push rod (301).
5. An above-ground plug valve flap structure with secondary sealing function according to claim 1, characterized in that: the number of the push rods (301) is two, and the number of the air pressure channels is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921338500.0U CN210566642U (en) | 2019-08-17 | 2019-08-17 | Overground bolt valve clack structure with secondary sealing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921338500.0U CN210566642U (en) | 2019-08-17 | 2019-08-17 | Overground bolt valve clack structure with secondary sealing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210566642U true CN210566642U (en) | 2020-05-19 |
Family
ID=70659876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921338500.0U Active CN210566642U (en) | 2019-08-17 | 2019-08-17 | Overground bolt valve clack structure with secondary sealing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210566642U (en) |
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2019
- 2019-08-17 CN CN201921338500.0U patent/CN210566642U/en active Active
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