CN220488335U - Stainless flange hard sealing hidden rod gate valve - Google Patents
Stainless flange hard sealing hidden rod gate valve Download PDFInfo
- Publication number
- CN220488335U CN220488335U CN202321121147.7U CN202321121147U CN220488335U CN 220488335 U CN220488335 U CN 220488335U CN 202321121147 U CN202321121147 U CN 202321121147U CN 220488335 U CN220488335 U CN 220488335U
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- CN
- China
- Prior art keywords
- valve
- rod
- dehydration
- hard seal
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 230000018044 dehydration Effects 0.000 claims description 18
- 238000006297 dehydration reaction Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The utility model provides a stainless flange hard sealing hidden rod gate valve which is simple in structure and capable of preventing a valve rod from being rusted, and the stainless flange hard sealing hidden rod gate valve comprises a valve body, a valve cover arranged on the valve body, a water inlet channel and a water outlet channel which are radially arranged along the valve body, a valve seat arranged between the water inlet channel and the water outlet channel, and a valve plate arranged on the valve seat and used for controlling fluid to open and close.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a stainless flange hard sealing hidden rod gate valve.
Background
With the development of society, pipeline connection is required in both production and life. In pipe connections, it is required to apply to pipe connections, wherein a flange-hard-seal blind-rod gate valve is one of the pipe connections that are often used. In the prior art, an upper valve cavity for accommodating a valve plate is formed between a valve seat and a valve cover of a flange hard-seal hidden rod gate valve, namely, when the valve is opened, the valve plate moves upwards into the upper valve cavity, at the moment, the upper valve cavity is communicated with a fluid channel of the valve body, and after the valve plate is closed and moves downwards, fluid in the upper valve cavity cannot be discharged, so that a section of the valve rod in the upper valve cavity is always soaked in the fluid in the upper valve cavity, and the surface of the valve rod is easy to rust. To solve this problem, the present utility model has been made.
Disclosure of Invention
Therefore, in order to solve the problems, the utility model provides the stainless flange hard sealing hidden rod gate valve which has a simple structure and can prevent the valve rod from being corroded.
In order to solve the technical problems, the stainless flange hard sealing hidden rod gate valve comprises a valve body, a valve cover arranged on the valve body, a water inlet channel and a water outlet channel which are radially arranged along the valve body, a valve seat arranged between the water inlet channel and the water outlet channel, and a valve plate arranged on the valve seat and used for controlling the opening and closing of fluid, wherein the valve body is provided with a valve rod, one end of the valve rod is connected with the valve plate, the other end of the valve rod penetrates out of the valve cover, a valve cavity for the valve plate to slide upwards is arranged between the valve cover and the valve body, a water removing block matched with the valve cavity is arranged, a water removing channel is arranged on the valve body, one end of the water removing channel is communicated with the valve cavity, one end of the water removing channel is communicated with the water outlet channel, the water removing block is sleeved on the valve rod in a sliding mode, the water removing block can slide to the valve seat to be closed when the valve seat is resisted by the valve seat, and a sliding device used for driving the water removing block to slide up and down is arranged in the valve body.
The further improvement is that: the sliding device comprises a screw rod, the screw rod is rotatably arranged on the valve cover in a penetrating mode, the screw rod penetrates through the dewatering block and is in threaded transmission with the dewatering block, and a limiting device enabling the dewatering block to be vertical up and down is arranged between the valve body and the dewatering block.
The further improvement is that: still include the check valve, the check valve is located in the dehydration passageway, be equipped with the anti-blocking device that is used for preventing the check valve jam in the dehydration passageway.
The further improvement is that: the anti-blocking device comprises a first filter screen and a second filter screen, and the first filter screen and the second filter screen are respectively arranged at two ends of the water removal channel.
The further improvement is that: the inner wall of the valve cavity is provided with a self-cleaning ceramic layer.
The further improvement is that: the valve body is provided with a storage battery, and the storage battery is electrically connected with the heating pipe.
The further improvement is that: the limiting device is as follows: the valve cavity is a square cavity, and the water removing block is a square plate.
The further improvement is that: the screw is provided with a first rotating handle.
The further improvement is that: the valve rod is provided with a second rotating handle.
The further improvement is that: the water removing block is provided with a sliding sleeve, and the sliding sleeve is sleeved on the valve rod.
By adopting the technical scheme, the utility model has the beneficial effects that:
simple structure, convenient to use can prevent valve rod corrosion. Through the cooperation of dehydration piece and dehydration passageway, can get rid of the water in the valve pocket totally, avoid the valve rod to soak in water for a long time and rust easily, improve the life of valve rod, and then improve the life of valve.
Drawings
FIG. 1 is a schematic diagram of a broken-away structure of a stainless flange hard seal blind rod gate valve according to an embodiment of the utility model.
FIG. 2 is a schematic diagram of the structure of a water block according to an embodiment of the present utility model.
Description of the embodiments
The utility model will now be further described with reference to the drawings and specific examples.
Referring to fig. 1-2, the embodiment of the utility model discloses a stainless flange hard sealing hidden rod gate valve, which comprises a valve body 1, a valve cover 4 arranged on the valve body 1, a water inlet channel 2 and a water outlet channel 3 which are radially arranged along the valve body 1, a valve seat arranged between the water inlet channel 2 and the water outlet channel 3, a valve plate 5 arranged on the valve seat and used for controlling the opening and closing of fluid, and a dewatering block 8, wherein the valve body 1 is provided with a valve rod 6, one end of the valve rod 6 is connected with the valve plate 5, the other end of the valve rod 6 penetrates out of the valve cover 4, a valve cavity 7 for the upward sliding of the valve plate 5 is arranged between the valve cover 4 and the valve body 1, the dewatering block 8 is matched with the valve cavity 7, a dewatering channel 10 is arranged on the valve body 1, one end of the dewatering channel 10 is communicated with the valve cavity 7, one end of the dewatering channel 10 is communicated with the water outlet channel 3, a sliding sleeve 13 of the dewatering block 8 is arranged on the valve rod 6, the dewatering block 8 can slide to the valve seat and seals the valve seat when the valve seat is counteracted, a dewatering channel 10 is arranged in the valve body 1, a driving block 8 to slide up and down, a water draining block 9 is arranged on the valve seat 9, and the valve seat 9 is arranged on the valve body 1 in a square body and can drive the valve seat 9 to rotate downwards, and the screw rod 8 can penetrate through the valve rod 8 or the square screw rod 8 to the valve seat 9 to drive the water draining block to rotate downwards, and the water draining block 9 to pass through the screw rod 8. After the use, rotate valve rod 6, valve rod 6 drives valve plate 5 and seals the gate valve, then rotate screw rod 9, screw rod 9 and the transmission of dehydration piece 8 screw thread to drive dehydration piece 8 downwards, when dehydration piece 8 was down, compress the water in valve pocket 7, thereby make the water in the valve pocket 7 follow dehydration passageway 10 and flow out, and then make the water in the valve pocket 7 discharge, avoid valve rod 6 to soak in water for a long time and rust easily, improve valve rod 6's life, and then improve valve's life.
In order to further discharge the water in the valve cavity 7 and prevent the water flow in the water outlet channel 3 from flowing backwards, the water draining device further comprises a one-way valve 10, wherein the one-way valve 10 is arranged in the water draining channel 10, a first filter screen and a second filter screen for preventing the one-way valve 10 from being blocked are arranged in the water draining channel 10, and the first filter screen and the second filter screen are respectively arranged at two ends of the water draining channel 10.
In order to ensure that the water in the valve cavity 7 can be removed as completely as possible when the water removal block 8 slides downwards, the inner wall of the valve cavity 7 is provided with a self-cleaning ceramic layer 14. Through the smooth self-cleaning ceramic layer 14 inner wall, the water removal block 8 can be enabled to better downwards press water flow, and water adhesion on the inner wall of the valve cavity 7 is reduced. But also can reduce the attachment of impurities in the valve chamber 7 to corrode the valve chamber 7.
In order to further prevent the valve rod 6 from being corroded, the valve rod further comprises a heating pipe 12 capable of controlling the temperature, the heating pipe 12 is arranged inside the valve rod 6, and a storage battery (not shown in the drawing) is arranged on the valve body 1 and is electrically connected with the heating pipe 12. By heating the heating pipe 12, the valve rod 6 can be dried more quickly, so that the valve rod 6 is prevented from being rusted, and the service life of the valve rod 6 is further prolonged.
For facilitating the rotation of the screw 9, a first rotating handle is provided on the screw 9.
For facilitating the rotation of the valve rod 6, a second rotary handle 15 is provided on the valve rod 6.
In order to enable the water removal block 8 to slide on the valve rod 6 better, a sliding sleeve 13 is arranged on the water removal block 8, and the valve rod 6 is sleeved with the sliding sleeve 13.
While the basic principles and main features of the present utility model and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a stainless flange hard seal blind rod gate valve, includes the valve body, set up in valve gap on the valve body, along radial inlet channel and the outlet channel of seting up of valve body, set up in inlet channel with valve seat between the outlet channel, set up the valve plate that is used for controlling fluid to open and close on the valve seat, be equipped with the valve rod on the valve body, valve rod one end is connected with the valve plate, the valve gap is worn out to the valve rod other end, still have the valve pocket that supplies the valve plate to upwards slide between valve gap and the valve body, its characterized in that: still including the dehydration piece that matches the valve pocket setting, set up the dehydration passageway on the valve body, dehydration passageway one end is linked together with the valve pocket, dehydration passageway one end is linked together with the water outlet channel, dehydration piece slip cap is located on the valve rod, dehydration piece can slide to the disk seat with the disk seat when resisting airtight with the dehydration passageway, be equipped with the slider that is used for driving dehydration piece from top to bottom in the valve body.
2. The stainless flange hard seal blind rod gate valve according to claim 1, wherein: the sliding device comprises a screw rod, the screw rod is rotatably arranged on the valve cover in a penetrating mode, the screw rod penetrates through the dewatering block and is in threaded transmission with the dewatering block, and a limiting device enabling the dewatering block to be vertical up and down is arranged between the valve body and the dewatering block.
3. The stainless flange hard seal blind rod gate valve according to claim 1, wherein: still include the check valve, the check valve is located in the dehydration passageway, be equipped with the anti-blocking device that is used for preventing the check valve jam in the dehydration passageway.
4. A stainless flange hard seal blind rod gate valve according to claim 3, wherein: the anti-blocking device comprises a first filter screen and a second filter screen, and the first filter screen and the second filter screen are respectively arranged at two ends of the water removal channel.
5. The stainless flange hard seal blind rod gate valve according to claim 1, wherein: the inner wall of the valve cavity is provided with a self-cleaning ceramic layer.
6. The stainless flange hard seal blind rod gate valve according to claim 1, wherein: the valve body is provided with a storage battery, and the storage battery is electrically connected with the heating pipe.
7. The stainless flange hard seal blind rod gate valve according to claim 2, wherein: the limiting device is as follows: the valve cavity is a square cavity, and the water removing block is a square plate.
8. The stainless flange hard seal blind rod gate valve according to claim 2, wherein: the screw is provided with a first rotating handle.
9. The stainless flange hard seal blind rod gate valve according to claim 1, wherein: the valve rod is provided with a second rotating handle.
10. The stainless flange hard seal blind rod gate valve according to claim 1, wherein: the water removing block is provided with a sliding sleeve, and the sliding sleeve is sleeved on the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321121147.7U CN220488335U (en) | 2023-05-11 | 2023-05-11 | Stainless flange hard sealing hidden rod gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321121147.7U CN220488335U (en) | 2023-05-11 | 2023-05-11 | Stainless flange hard sealing hidden rod gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488335U true CN220488335U (en) | 2024-02-13 |
Family
ID=89827792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321121147.7U Active CN220488335U (en) | 2023-05-11 | 2023-05-11 | Stainless flange hard sealing hidden rod gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488335U (en) |
-
2023
- 2023-05-11 CN CN202321121147.7U patent/CN220488335U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |