CN210566358U - Corrosion-resistant sealing gate valve - Google Patents
Corrosion-resistant sealing gate valve Download PDFInfo
- Publication number
- CN210566358U CN210566358U CN201921162727.4U CN201921162727U CN210566358U CN 210566358 U CN210566358 U CN 210566358U CN 201921162727 U CN201921162727 U CN 201921162727U CN 210566358 U CN210566358 U CN 210566358U
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- Prior art keywords
- end cover
- corrosion
- gate valve
- hole
- center
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- Expired - Fee Related
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- 238000005260 corrosion Methods 0.000 title claims abstract description 64
- 230000007797 corrosion Effects 0.000 title claims abstract description 62
- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 230000000694 effects Effects 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 239000012530 fluid Substances 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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Abstract
The utility model belongs to the technical field of sealing gate valve, especially, a corrosion-resistant sealing gate valve, including center, corrosion-resistant inner bag layer, gate valve baffle, first end cover and second end cover, gomphosis in the center corrosion-resistant inner bag layer, the top on corrosion-resistant inner bag layer is the plane, the bottom on corrosion-resistant inner bag layer is the arc surface, gomphosis has in the corrosion-resistant inner bag layer the gate valve baffle, the bottom of gate valve baffle is the circular surface, and the top of gate valve baffle is the plane and is equipped with adjusting screw hole, the center on the top of center is equipped with the cylinder hole, and the activity has concatenated adjusting screw in the cylinder hole. The utility model discloses the gate valve baffle that adjusting screw drove when rotating and spiral shell with it removes between first end cover and second end cover along corrosion-resistant inner bag layer, thereby realizes the utility model discloses opening and closing of gate valve because first end cover and second end cover are as an organic whole through the screw connection with the center, so the three can independently carry out scale production, reduction in production cost.
Description
Technical Field
The utility model relates to a sealing gate valve technical field specifically is a corrosion-resistant sealing gate valve.
Background
The gate valve is an opening and closing member gate plate, the movement direction of the gate plate is vertical to the fluid direction, the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled, the gate valve is sealed by contacting a valve seat and the gate plate, metal materials are usually deposited on a sealing surface to increase the wear resistance, the gate plate is provided with a rigid gate plate and an elastic gate plate, the gate valve is divided into the rigid gate valve and the elastic gate valve according to different gate plates, the opening and closing member of the gate valve is the gate plate, and the gate plate of the wedge-type gate valve can be made into a whole and is called the rigid gate; the gate plate can also be made into a gate plate which can generate micro deformation to improve the manufacturability and compensate the deviation of the angle of a sealing surface in the processing process, the gate plate is called an elastic gate plate, when the gate valve is closed, the sealing surface can be sealed only by medium pressure, namely the sealing surface of the gate plate is pressed to a valve seat at the other side by the medium pressure to ensure the sealing of the sealing surface, the gate plate is self-sealed, most gate valves are forcedly sealed, namely when the valve is closed, the gate plate is forced to press to the valve seat by external force to ensure the sealing performance of the sealing surface, the gate plate of the gate valve moves linearly along with a valve rod, which is called a lifting rod gate valve and is called a rising rod gate valve, generally, a trapezoidal thread is arranged on the lifting rod, the nut at the top end of the valve and a guide groove on the valve body are used for changing the rotary motion into the linear motion, the valve is called a rotary rod gate valve or a hidden rod gate.
The current seal-resistant gate valves suffer from the following problems:
1. most of the existing sealing-resistant gate valves are made of cast and molded integrated materials, and when key parts of the sealing-resistant gate valves are worn, the sealing-resistant gate valves can only be integrally replaced, so that manpower is wasted, and the economical efficiency is poor.
2. The current sealing-resistant gate valve has poor processability, is not convenient for large-scale production, and has difficult control of processing precision.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a corrosion-resistant sealing gate valve has solved present resistant sealing gate valve key point position wearing and tearing and can only wholly change to and add the difficult problem of control of precision man-hour.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant sealing gate valve, includes center, corrosion-resistant inner bag layer, gate valve baffle, first end cover and second end cover, gomphosis in the center the corrosion-resistant inner bag layer, the top on corrosion-resistant inner bag layer is the plane, the bottom on corrosion-resistant inner bag layer is the arc surface, gomphosis has in the corrosion-resistant inner bag layer the gate valve baffle, the bottom of gate valve baffle is the circular surface, the top of gate valve baffle is the plane and is equipped with the adjusting screw hole, the center on the top of center is equipped with the cylinder hole, the activity concatenates adjusting screw in the cylinder hole, adjusting screw's top has concatenated adjust knob, adjusting screw's middle part is equipped with the annular, the top of center one side is equipped with flat hole, gomphosis has two crescent check lock blocks in the flat hole, two arc surface gomphosis of crescent check lock block front end the annular, adjusting screw's bottom spiral shell closes adjusting screw hole, the avris of center is equipped with connecting screw hole, first end cover with be equipped with the screw hole on the second end cover, the avris of center is equipped with connecting screw hole, the screw hole with connecting screw hole corresponds each other, first end cover pass through the screw hole with connecting screw hole spiral shell connects one side of center, the second end cover pass through the screw hole with connecting screw hole spiral shell connects the opposite side of center.
As an optimal technical scheme of the utility model, first end cover with the second end cover is connected one side laminating of center has anticorrosive wearing layer.
As a preferred technical scheme of the utility model, first end cover with the bottom of second end cover all is equipped with the water conservancy diversion hole, the both sides pressfitting of gate valve baffle bottom the water conservancy diversion hole.
As an optimized technical scheme of the utility model, first end cover with the second end cover with the junction of center all is equipped with seal ring.
As a preferred technical scheme of the utility model, first end cover with the avris in water conservancy diversion hole is equipped with the blind hole screw thread on the second end cover, first end cover with the second end cover has the water pipe ring flange through blind hole threaded connection.
As an optimized technical scheme of the utility model, the screw hole is counter bore structure or counter bore structure, corrosion-resistant inner bag layer and anticorrosive coating are stainless steel material layer or ceramic material layer (three) beneficial effect
Compared with the prior art, the utility model provides a corrosion-resistant sealing gate valve possesses following beneficial effect:
1. according to the corrosion-resistant sealing gate valve, the adjusting screw rod drives the gate valve baffle which is screwed with the adjusting screw rod to move between the first end cover and the second end cover along the corrosion-resistant inner container layer when rotating, so that the gate valve is opened and closed, and the first end cover, the second end cover and the middle frame are connected into a whole through the screws, so that the three parts can be independently produced in a large scale, and the production cost is reduced;
2. this corrosion-resistant sealing gate valve, the corrosion-resistant inner bag layer of core adopt high temperature resistant, corrosion-resistant material to make, and its volume and weight only account for the less proportion of valve body total weight, consequently compromise product property ability and manufacturing cost's demand to traditional cast gate valve relatively, the production precision is higher, and the height of center, corrosion-resistant inner bag layer and gate valve baffle equals, can be through the supporting production of grinding, so that improve the leakproofness.
Drawings
FIG. 1 is a schematic view of the subjective structure of the present invention;
FIG. 2 is a schematic view of the present invention in a partial cross-sectional view;
FIG. 3 is a schematic view of the main sectional structure of the present invention;
FIG. 4 is a schematic side sectional view of the present invention;
fig. 5 is the connecting schematic diagram of the crescent locking block and the adjusting screw rod of the utility model.
In the figure: 1. a middle frame; 2. a corrosion-resistant inner container layer; 3. a gate valve baffle plate; 4. adjusting the threaded hole; 5. a cylindrical bore; 6. adjusting the screw rod; 7. a ring groove; 8. a flat aperture; 9. a crescent locking block; 10. connecting the threaded hole; 11. a first end cap; 12. a second end cap; 13. screw holes; 14. a flow guide hole; 15. a water pipe flange plate; 16. and adjusting a knob.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides the following technical solutions: a corrosion-resistant sealing gate valve comprises a middle frame 1, a corrosion-resistant inner container layer 2, a gate valve baffle plate 3, a first end cover 11 and a second end cover 12, wherein the corrosion-resistant inner container layer 2 is embedded in the middle frame 1, the top end of the corrosion-resistant inner container layer 2 is a plane, the bottom end of the corrosion-resistant inner container layer 2 is an arc surface, the gate valve baffle plate 3 is embedded in the corrosion-resistant inner container layer 2, the bottom end of the gate valve baffle plate 3 is a circular surface, the top end of the gate valve baffle plate 3 is a plane and is provided with an adjusting threaded hole 4, the center of the top end of the middle frame 1 is provided with a cylindrical hole 5, an adjusting screw rod 6 is movably connected in series in the cylindrical hole 5, the top end of the adjusting screw rod 6 is connected in series with an adjusting knob 16, the middle part of the adjusting screw rod 6 is provided with a circular groove 7, the top end of one side of the middle frame 1 is provided with a flat hole 8, two crescent locking, the side of the middle frame 1 is provided with a connecting threaded hole 10, the first end cover 11 and the second end cover 12 are provided with screw holes 13, the screw holes 13 correspond to the connecting threaded hole 10, the first end cover 11 is in threaded connection with one side of the middle frame 1 through the screw holes 13 and the connecting threaded hole 10, and the second end cover 12 is in threaded connection with the other side of the middle frame 1 through the screw holes 13 and the connecting threaded hole 10.
In this embodiment, the adjusting knob 16 is screwed, the adjusting knob 16 drives the adjusting screw 6 to rotate, because the arc surface embedding ring groove 7 at the front end of the two crescent locking blocks 9 limits the adjusting screw 6 on the middle frame 1, at this time, the adjusting screw 6 drives the gate valve baffle 3 screwed with the adjusting screw to move between the first end cover 11 and the second end cover 12 along the corrosion-resistant inner container layer 2 when rotating, thereby realizing the opening and closing of the gate valve of the utility model, because the first end cover 11 and the second end cover 12 are connected with the middle frame 1 into a whole through screws, the three can independently carry out large-scale production, the production cost is reduced, the core corrosion-resistant inner container layer 2 is made of high-temperature resistant and corrosion-resistant materials, the volume and the weight of the three only account for the smaller total weight of the valve body, thereby taking into account for the requirements of product performance and the production cost, and compared with the traditional cast gate valve, the production precision is higher, and the height of center 1, corrosion-resistant inner bag layer 2 and gate valve baffle 3 equals, can be through the supporting production of grinding to improve the leakproofness.
Specifically, one side of the middle frame 1, which is connected with the first end cover 11 and the second end cover 12, is attached with an anti-corrosion wear-resistant layer.
In this embodiment, anticorrosive wearing layer adopts the same or similar material to make with corrosion-resistant inner bag layer 2, and the liquid that will have corrosivity thoroughly keeps apart with first end cap 11, second end cap 12 and center 1 the utility model discloses the corrosion resisting property of product.
Specifically, the bottom ends of the first end cap 11 and the second end cap 12 are both provided with a diversion hole 14, and the diversion holes 14 are pressed on two sides of the bottom end of the gate valve baffle 3.
In this embodiment, water conservancy diversion hole 14 is used for deriving the fluid, when the bottom of gate valve baffle 3 moved to the circular arc face of corrosion-resistant inner bag layer 2 bottom under adjusting screw 6's rotation, blocks water conservancy diversion hole 14, realizes the closing function of gate valve this moment, when the bottom of gate valve baffle 3 moved to the plane on corrosion-resistant inner bag layer 2 top under adjusting screw 6's rotation, the circular arc face of gate valve baffle 3 bottom can not shelter from the liquid flow between water conservancy diversion hole 14, realizes the closing function of gate valve this moment.
Specifically, sealing gaskets are arranged at the joints of the first end cover 11 and the middle frame 1, and the joints of the second end cover 12 and the middle frame 1.
In this embodiment, seal ring can guarantee the compactness and the leakproofness that first end cap 11 and second end cap 12 and center 1 three combine, thereby the order the utility model discloses realize antiseep and anticorrosive characteristic.
Specifically, the sides of the diversion holes 14 on the first end cap 11 and the second end cap 12 are provided with blind hole threads, and the first end cap 11 and the second end cap 12 are connected with a water pipe flange 15 through the blind hole threads.
In this embodiment, during the screw spiro union blind hole screw that runs through on the water pipe ring flange 15 goes into, is connected with first end cap 11 and second end cap 12, will the utility model discloses among the access pipe network, so that realize the utility model discloses to opening and turn-off control of pipe network.
Specifically, the screw hole 13 is a counter bore structure or a counter bore structure, and the corrosion-resistant inner container layer 2 and the anticorrosive layer are stainless steel material layers or ceramic material layers.
In this embodiment, the screw hole 13 is a counter bore structure or a counter bore structure, and can sink the screw into the inner wall of the first end cap 11 and the second end cap 12, can not influence the installation of the outside water pipe flange 15, and the appearance is pleasing to the eye, and stainless steel material or ceramic material have good wearability and corrosion resistance and high temperature resistance, consequently can keep the utility model discloses work that lasts under high corrosion, high temperature state for a long time.
The water pipe flange 15 in this embodiment is a known technique that has been disclosed to be widely used in daily life.
The utility model discloses a theory of operation and use flow: the adjusting knob 16 drives the adjusting screw 6 to rotate, because the arc-shaped surfaces at the front ends of the two crescent moon locking blocks 9 are embedded with the annular groove 7, the adjusting screw 6 is limited on the middle frame 1, at this time, the adjusting screw 6 rotates to drive the gate valve baffle 3 screwed with the adjusting screw to move between the first end cover 11 and the second end cover 12 along the corrosion-resistant liner layer 2, the diversion hole 14 is used for guiding out fluid, when the bottom end of the gate valve baffle 3 moves to the arc-shaped surface at the bottom end of the corrosion-resistant liner layer 2 under the rotation of the adjusting screw 6, the diversion hole 14 is blocked, at this time, the closing function of the gate valve is realized, when the bottom end of the gate valve baffle 3 moves to the plane at the top end of the corrosion-resistant liner layer 2 under the rotation of the adjusting screw 6, the arc-shaped surface at the bottom end of the gate valve baffle 3 cannot block the liquid flow between the diversion holes 14, at this time, the closing function of the gate valve is realized, therefore, the three can independently carry out large-scale production, the production cost is reduced, the core corrosion-resistant inner container layer 2 is made of high-temperature-resistant and corrosion-resistant materials, the volume and the weight of the core corrosion-resistant inner container layer only account for the smaller proportion of the total weight of the valve body, the requirements of product performance and the production cost are taken into consideration, and compared with a traditional casting type gate valve, the production precision is higher, the heights of the middle frame 1, the corrosion-resistant inner container layer 2 and the gate valve baffle plate 3 are equal, and the sealing performance can be improved through grinding matched production.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a corrosion-resistant sealing gate valve, includes center (1), corrosion-resistant inner bag layer (2), gate valve baffle (3), first end cover (11) and second end cover (12), its characterized in that: gomphosis in center (1) corrosion-resistant inner bag layer (2), the top on corrosion-resistant inner bag layer (2) is the plane, the bottom on corrosion-resistant inner bag layer (2) is the arc surface, the gomphosis has in corrosion-resistant inner bag layer (2) gate valve baffle (3), the bottom of gate valve baffle (3) is the circular surface, the top of gate valve baffle (3) is the plane and is equipped with adjusting screw hole (4), the center on the top of center (1) is equipped with cylinder hole (5), adjusting screw (6) have been concatenated in the activity in cylinder hole (5), adjusting knob (16) have been concatenated on the top of adjusting screw (6), the middle part of adjusting screw (6) is equipped with annular (7), the top of center (1) one side is equipped with flat hole (8), gomphosis has two crescent locking pieces (9) in flat hole (8), two the arcwall face gomphosis of crescent moon latch segment (9) front end annular (7), the bottom spiral shell of adjusting screw (6) is adjusted threaded hole (4), the avris of center (1) is equipped with connecting screw hole (10), first end cover (11) with be equipped with screw hole (13) on second end cover (12), screw hole (13) with connecting screw hole (10) correspond each other, first end cover (11) through screw hole (13) with connecting screw hole (10) spiral shell connects one side of center (1), second end cover (12) through screw hole (13) with connecting screw hole (10) spiral shell connects the opposite side of center (1).
2. A corrosion resistant sealing gate valve according to claim 1, wherein: the first end cover (11) and the second end cover (12) are connected with one side of the middle frame (1) and are attached with an anti-corrosion wear-resistant layer.
3. A corrosion resistant sealing gate valve according to claim 1, wherein: the bottom ends of the first end cover (11) and the second end cover (12) are respectively provided with a flow guide hole (14), and the flow guide holes (14) are pressed on two sides of the bottom end of the gate valve baffle (3).
4. A corrosion resistant sealing gate valve according to claim 1, wherein: sealing gaskets are arranged at the joints of the first end cover (11) and the second end cover (12) and the middle frame (1).
5. A corrosion resistant sealing gate valve according to claim 1, wherein: the water pipe end cover is characterized in that the side of the flow guide hole (14) in the first end cover (11) and the second end cover (12) is provided with blind hole threads, and the first end cover (11) and the second end cover (12) are connected with a water pipe flange plate (15) through the blind hole threads.
6. A corrosion resistant sealing gate valve according to claim 1 or 3, wherein: the screw hole (13) is of a counter bore structure or a counter bore structure, and the corrosion-resistant inner container layer (2) and the anticorrosive layer are made of stainless steel material layers or ceramic material layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162727.4U CN210566358U (en) | 2019-07-23 | 2019-07-23 | Corrosion-resistant sealing gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162727.4U CN210566358U (en) | 2019-07-23 | 2019-07-23 | Corrosion-resistant sealing gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210566358U true CN210566358U (en) | 2020-05-19 |
Family
ID=70638073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921162727.4U Expired - Fee Related CN210566358U (en) | 2019-07-23 | 2019-07-23 | Corrosion-resistant sealing gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210566358U (en) |
-
2019
- 2019-07-23 CN CN201921162727.4U patent/CN210566358U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |