CN216200695U - Double-bearing vacuum gate valve - Google Patents
Double-bearing vacuum gate valve Download PDFInfo
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- CN216200695U CN216200695U CN202122911471.6U CN202122911471U CN216200695U CN 216200695 U CN216200695 U CN 216200695U CN 202122911471 U CN202122911471 U CN 202122911471U CN 216200695 U CN216200695 U CN 216200695U
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- valve
- valve body
- vacuum gate
- sealing
- pressure
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Abstract
The utility model discloses a double-bearing vacuum gate valve in the field of vacuum gate valves, which comprises a valve body, wherein a valve cover is arranged above the valve body, a sealing seat is clamped in the valve body, a gate plate is clamped in the sealing seat, a front blocking frame and a rear blocking frame are respectively arranged on the inner bottom wall of the sealing seat, one side surfaces of the front blocking frame and the rear blocking frame, which are close to each other, are respectively contacted with the front surface of the gate plate and the back surface of the gate plate, the sealing seat is matched with the valve body, the front blocking plate and the rear blocking plate, so that the sealing effect of the valve body can be increased, the stress direction of the gate plate can be changed into the stress in the front-back direction, when pressure is applied later, a certain rotating force can be provided for the gate plate, and vice versa, the generated torsional force can effectively compensate for a gap after long-time use, the sealing effect of the vacuum gate valve can be ensured, and the situation that the vacuum gate valve can only carry out one-way bearing cutoff sealing through the center can be avoided, poor sealing effect and short service life.
Description
Technical Field
The utility model relates to the field of vacuum gate valves, in particular to a double-pressure-bearing vacuum gate valve.
Background
The vacuum gate valve is improved by ordinary manual gate valve and comes, and the difference lies in that the filler sealed department of vacuum gate valve installs a vacuum seal ring more, has from bloated pressure tight effect, and is better than the gas sealing performance of ordinary gate valve, and when the vacuum gate valve was closed, sealed face can only rely on medium pressure to seal.
When the existing vacuum gate valve is used, one-way pressure bearing can be generally carried out only through the center of the gate plate, the sealing effect of the pressure bearing mode is relatively poor, after long-time use, the sealing effect of the vacuum gate valve can be gradually reduced due to the increase of gaps, and the using effect of the vacuum gate valve is seriously affected, so that the technical personnel in the field provide a double-pressure bearing vacuum gate valve to solve the problems provided in the background technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-pressure-bearing vacuum gate valve to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
two pressure-bearing vacuum gate valves, including the valve body, the valve gap has been placed to the top of valve body, the inside joint of valve body has the seal receptacle, the inside joint of seal receptacle has the flashboard, keep off before the inner diapire of seal receptacle installs respectively and keep off the frame after with, keep off before the frame and keep off the frame side that is close to each other with the front of flashboard and the back of flashboard respectively and contact, the upper surface of flashboard runs through the seal receptacle and extends to the top of seal receptacle, the last surface mounting of flashboard has the closing plate, the last surface mounting of closing plate has the valve rod, the seal groove has been seted up to the upper surface of valve body, the sealing ring is installed to the bottom surface of valve gap, the sealing ring joint is in the inside of seal groove.
As a still further scheme of the utility model: a threaded cylinder is placed above the valve cover, the inner wall of the threaded cylinder is in threaded connection with the outer surface of the valve rod, a graphite filling sleeve is sleeved on the outer surface of the valve rod, and the outer surface of the graphite filling sleeve is in contact with the inner wall of the valve cover.
As a still further scheme of the utility model: the outer surface of the threaded cylinder is provided with connecting columns which are arranged at equal intervals, and one end of each connecting column, which is far away from the threaded cylinder, is provided with a handle.
As a still further scheme of the utility model: two connecting flanges are placed below the threaded cylinder, each connecting flange is fixedly connected with the outer surface of the valve body on the inner wall, and connecting through holes arranged equidistantly are formed in the front face of each connecting flange.
As a still further scheme of the utility model: the outer surface mounting of valve body has first mounting flange, the outer surface mounting of valve gap has the second mounting flange, the screw thread through-hole that the equidistance was arranged is all seted up to the upper surface of first mounting flange and the upper surface of second mounting flange.
As a still further scheme of the utility model: every group the equal threaded connection in inside of screw thread through-hole has fixing bolt, every fixing bolt's bottom all runs through two screw thread through-holes in proper order and extends to first mounting flange's below.
As a still further scheme of the utility model: the outer surface of the valve rod is provided with a reinforcing ring, and the bottom surface of the reinforcing ring is fixedly connected with the upper surface of the sealing plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the sealing seat is arranged to match with the valve body, the front baffle plate and the rear baffle plate, so that the sealing effect of the valve body can be increased, the stress direction of the flashboard can be changed, the stress direction of the flashboard is changed into bidirectional stress in the front-rear direction, when pressure exists later, a certain rotating force can be provided for the flashboard, and vice versa, the generated torsional force is utilized, the gap after long-time use can be effectively compensated, the sealing effect of the vacuum gate valve can be ensured, and the problems that the vacuum gate valve can only perform one-way pressure-bearing cutoff sealing through the center of the flashboard, the sealing effect is poor and the service life is short are solved.
2. According to the vacuum gate valve, the sealing plate is matched with the valve body and can move up and down along with the valve rod, so that liquid can be prevented from leaking outwards through the valve body when the gate is opened, the effect of further improving the sealing effect of the vacuum gate valve is achieved, the valve cover can be connected with the valve body more tightly by matching the sealing groove with the valve cover, the sealing ring and the valve body, and the problem that liquid leaks through a gap between the valve cover and the valve body is solved.
Drawings
FIG. 1 is a schematic three-dimensional structure of a valve body according to the present invention;
FIG. 2 is a schematic perspective sectional view of a valve body according to the present invention;
FIG. 3 is a schematic cross-sectional perspective view of the seal retainer of the present invention;
fig. 4 is a schematic structural view of a cross-sectional view of the valve cover according to the present invention.
In the figure: 1. a valve body; 2. a connecting flange; 3. a connecting through hole; 4. a second fixed flange; 5. a valve cover; 6. a handle; 7. a threaded barrel; 8. connecting columns; 9. fixing the bolt; 10. a first fixed flange; 11. a valve stem; 12. a sealing seat; 13. a sealing plate; 14. a sealing groove; 15. a threaded through hole; 16. a reinforcing ring; 17. a front baffle frame; 18. a shutter plate; 19. a rear baffle frame; 20. a seal ring; 21. and filling a graphite filling sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the present invention, the dual-pressure-bearing vacuum gate valve includes a valve body 1, a valve cover 5 is disposed above the valve body 1, a sealing seat 12 is clamped inside the valve body 1, a gate plate 18 is clamped inside the sealing seat 12, a front blocking frame 17 and a rear blocking frame 19 are respectively mounted on an inner bottom wall of the sealing seat 12, a side surface of the front blocking frame 17, which is close to the rear blocking frame 19, is respectively contacted with a front surface of the gate plate 18 and a back surface of the gate plate 18, an upper surface of the gate plate 18 penetrates through the sealing seat 12 and extends above the sealing seat 12, a sealing plate 13 is mounted on an upper surface of the gate plate 18, a valve rod 11 is mounted on an upper surface of the sealing plate 13, a sealing groove 14 is formed on the upper surface of the valve body 1, a sealing ring 20 is mounted on a bottom surface of the valve cover 5, and the sealing ring 20 is clamped inside the sealing groove 14.
Wherein, a screw thread section of thick bamboo 7 has been placed to the top of valve gap 5, the outer surface threaded connection of the inner wall of a screw thread section of thick bamboo 7 and valve rod 11, the surface cover of valve rod 11 is equipped with graphite packing cover 21, the surface of graphite packing cover 21 contacts with the inner wall of valve gap 5, through the rotation of a screw thread section of thick bamboo 7, can utilize the principle of threaded connection to make valve rod 11 upwards or downstream, play and realize the effect of switching on and breaking off, utilize graphite packing cover 21 can improve sealed and vacuum performance, the outer surface of a screw thread section of thick bamboo 7 is installed the spliced pole 8 of equidistance range, the one end that every spliced pole 8 keeps away from a screw thread section of thick bamboo 7 installs handle 6 jointly, through the cooperation of handle 6 and spliced pole 8, can make things convenient for people to rotate a screw thread section of thick bamboo 7, play the effect of making things convenient for people to operate, two flange 2 have been placed to the below of a screw thread section of thick bamboo 7, the inner wall of every flange 2 all is connected with the surface mounting of valve body 1, the front of every flange 2 all sets up the connect the via hole 3 that the equidistance was arranged, utilizes flange 2 to be linked together the device with the pipeline, plays the effect that makes things convenient for people to carry out the installation.
Wherein, the outer surface of the valve body 1 is provided with a first fixing flange 10, the outer surface of the valve cover 5 is provided with a second fixing flange 4, the upper surface of the first fixing flange 10 and the upper surface of the second fixing flange 4 are both provided with threaded through holes 15 arranged equidistantly, the valve cover 5 and the valve body 1 can be connected through the first fixing flange 10 and the second fixing flange 4 to play a role of facilitating people to assemble the vacuum gate valve, the inside of each group of threaded through holes 15 is in threaded connection with a fixing bolt 9, the bottom end of each fixing bolt 9 sequentially penetrates through the two threaded through holes 15 and extends to the lower part of the first fixing flange 10, the connection performance of the first fixing flange 10 and the second fixing flange 4 can be improved through the fixing bolts 9, the connection between the first fixing flange 10 and the second fixing flange 4 is more tight, the outer surface of the valve rod 11 is provided with a reinforcing ring 16, the bottom surface of the reinforcing ring 16 is fixedly connected with the upper surface of the sealing plate 13, and the reinforcing ring 16 can increase the connectivity between the valve rod 11 and the sealing plate 13, so that the valve rod 11 and the sealing plate 13 are connected more firmly.
The working principle of the utility model is as follows: when the device is used, the device is firstly communicated with a pipeline through the connecting flange 2 and the connecting through hole 3, when the vacuum gate valve needs to be opened, the handle 6 is manually rotated anticlockwise to enable the threaded barrel 7 to rotate, because the threaded barrel 7 is in threaded connection with the valve rod 11, the valve rod 11 can be driven to move upwards, so that the vacuum gate valve can be opened, when liquid in the pipeline needs to be cut off, the handle 6 is rotated anticlockwise to enable the flashboard 18 to be clamped into the sealing seat 12, when pressure exists at the rear part in the valve body 1, one side of the flashboard 18 can be pressed through the rear blocking frame 19, so that a certain torsional force can be provided for the flashboard 18, the gap generated by long-time use of the vacuum gate valve can be effectively compensated by the torsional force provided by the pressure, so that the sealing effect of the vacuum gate valve is ensured, the problem that the central pressed cut-off effect of the flashboard 18 is poor and leakage is easy to occur is solved, when there is pressure in vacuum gate valve the place ahead, keep off the frame 17 through preceding and can change the atress direction of flashboard 18 equally, make the opposite side atress of flashboard 18, utilize the mode of the two pressure-bearing of flashboard 18, increase vacuum gate valve's that can be very big sealed effect improves vacuum gate valve's life.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. Two pressure-bearing vacuum gate valves includes valve body (1), its characterized in that: a valve cover (5) is arranged above the valve body (1), a sealing seat (12) is clamped in the valve body (1), the inner part of the sealing seat (12) is clamped with a flashboard (18), the inner bottom wall of the sealing seat (12) is respectively provided with a front blocking frame (17) and a rear blocking frame (19), one side surfaces of the front blocking frame (17) and the rear blocking frame (19) which are close to each other are respectively contacted with the front surface of the flashboard (18) and the back surface of the flashboard (18), the upper surface of the flashboard (18) penetrates through the sealing seat (12) and extends to the upper part of the sealing seat (12), a sealing plate (13) is arranged on the upper surface of the flashboard (18), a valve rod (11) is arranged on the upper surface of the sealing plate (13), seal groove (14) have been seted up to the upper surface of valve body (1), sealing ring (20) are installed to the bottom surface of valve gap (5), sealing ring (20) joint is in the inside of seal groove (14).
2. The dual-pressure-bearing vacuum gate valve of claim 1, characterized in that: a threaded cylinder (7) is placed above the valve cover (5), the inner wall of the threaded cylinder (7) is in threaded connection with the outer surface of the valve rod (11), a graphite filling sleeve (21) is sleeved on the outer surface of the valve rod (11), and the outer surface of the graphite filling sleeve (21) is in contact with the inner wall of the valve cover (5).
3. The dual-pressure-bearing vacuum gate valve of claim 2, characterized in that: the outer surface of the threaded cylinder (7) is provided with connecting columns (8) which are arranged at equal intervals, and one end, far away from the threaded cylinder (7), of each connecting column (8) is provided with a handle (6) together.
4. The dual-pressure-bearing vacuum gate valve of claim 2, characterized in that: two connecting flanges (2) are placed below the threaded cylinder (7), each connecting flange (2) is fixedly connected with the outer surface of the valve body (1) on the inner wall, and the connecting through holes (3) which are arranged equidistantly are formed in the front face of each connecting flange (2).
5. The dual-pressure-bearing vacuum gate valve of claim 1, characterized in that: the outer surface mounting of valve body (1) has first mounting flange (10), the outer surface mounting of valve gap (5) has second mounting flange (4), screw through-hole (15) that the equidistance was arranged are all seted up to the upper surface of first mounting flange (10) and the upper surface of second mounting flange (4).
6. The dual-pressure-bearing vacuum gate valve of claim 5, characterized in that: every group the equal threaded connection in inside of screw thread through-hole (15) has fixing bolt (9), every the bottom of fixing bolt (9) all runs through two screw thread through-holes (15) in proper order and extends to the below of first mounting flange (10).
7. The dual-pressure-bearing vacuum gate valve of claim 1, characterized in that: the outer surface of the valve rod (11) is provided with a reinforcing ring (16), and the bottom surface of the reinforcing ring (16) is fixedly connected with the upper surface of the sealing plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122911471.6U CN216200695U (en) | 2021-11-19 | 2021-11-19 | Double-bearing vacuum gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122911471.6U CN216200695U (en) | 2021-11-19 | 2021-11-19 | Double-bearing vacuum gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216200695U true CN216200695U (en) | 2022-04-05 |
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ID=80914368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122911471.6U Active CN216200695U (en) | 2021-11-19 | 2021-11-19 | Double-bearing vacuum gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216200695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116158A1 (en) * | 2021-12-20 | 2023-06-29 | 拓荆科技股份有限公司 | Gate valve for semiconductor apparatus, and maintenance method therefor |
-
2021
- 2021-11-19 CN CN202122911471.6U patent/CN216200695U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116158A1 (en) * | 2021-12-20 | 2023-06-29 | 拓荆科技股份有限公司 | Gate valve for semiconductor apparatus, and maintenance method therefor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Dongou Industrial Zone, Oubei Town, Yongjia, Wenzhou, Zhejiang Patentee after: Rongyi Valve Group Co., Ltd. Address before: 325000 Dongou Industrial Zone, Oubei Town, Yongjia, Wenzhou, Zhejiang Patentee before: Zhejiang Rongyi Valve Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |