CN219827730U - Upward-expansion type discharging valve - Google Patents
Upward-expansion type discharging valve Download PDFInfo
- Publication number
- CN219827730U CN219827730U CN202321337144.7U CN202321337144U CN219827730U CN 219827730 U CN219827730 U CN 219827730U CN 202321337144 U CN202321337144 U CN 202321337144U CN 219827730 U CN219827730 U CN 219827730U
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- China
- Prior art keywords
- valve
- valve body
- packing
- clack
- rod
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- 238000007599 discharging Methods 0.000 title abstract description 6
- 238000012856 packing Methods 0.000 claims description 24
- 210000004907 gland Anatomy 0.000 claims description 8
- 239000000463 material Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005272 metallurgy Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses an upward-expansion type discharging valve which comprises a valve body, wherein a step hole is formed in a through hole at the upper end of the valve body, a valve seat is correspondingly arranged in the step hole, the valve seat is higher than the upper end of the valve body and is tightly abutted to a valve clack, a valve rod is arranged in a central cavity of the valve body, the lower end of the valve rod extends to the outer side of the lower end of the valve body and is connected with a pneumatic device positioned below the valve body, and the lower end of the valve body is connected with a valve cover through a fastening piece.
Description
Technical Field
The utility model relates to the technical field of discharge valves, in particular to an upward expansion type discharge valve.
Background
The traditional upward-expansion type discharging valve is widely applied to the fields of chemical industry, metallurgy, pharmacy, building materials, grains and the like, and has the main function of controlling the conveying and stopping of materials. However, the conventional upward expansion type discharge valve has a complex design structure, is easy to wear, and is inconvenient to clean and maintain. In addition, because the valve is commonly used in the fields of chemical industry, metallurgy and the like, the materials flowing in the valve have corrosiveness, and after the valve is used for a period of time, the valve is easy to rust, age and leak, so that the economic benefit and the production quality are affected.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides an upward expansion type discharging valve which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an upward-expanding type baiting valve, includes the valve body, the upper end through-hole department of valve body is provided with the step hole, and the step hole corresponds and is provided with the disk seat, the disk seat is higher than the upper end and the valve clack of valve body and close to the setting, be provided with the valve rod in the central cavity of valve body, the lower extreme of valve rod extends to the lower extreme outside of valve body and is connected with the pneumatic means that is located the valve body below, the lower extreme of valve body is connected through the fastener with the valve gap.
As a preferable technical scheme of the utility model, a packing is arranged in a through hole at the lower end of the valve body at the contact position with the valve rod, a packing gland is arranged close to the packing, and the packing gland is connected with the packing and the valve cover through a fastener.
As a preferable technical scheme of the utility model, the valve clack is a circular ring, and the fastener of the circular ring is connected with the outer ring.
As a preferable technical scheme of the utility model, the upper end of the valve rod is provided with a plugging block, the outer diameter of the plugging block is consistent with the inner ring of the valve clack,
as a preferable technical scheme of the utility model, the plugging block is provided with a shoulder, and the shoulder is provided with a chamfer which is arranged corresponding to the chamfer at the valve seat.
As a preferable technical scheme of the utility model, a connecting frame is arranged on the outer side of the valve rod and is connected with a fixing frame arranged above the pneumatic device.
Compared with the prior art: the valve rod is sealed by the filler and the valve body, so that the tightness of the equipment is ensured, the leakage of materials is avoided, the high-strength and corrosion-resistant materials are adopted, the strength is enhanced by structures such as chamfer angles, shoulders and the like, the durability and the shock resistance of the equipment are improved, and the long-term reliable operation is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. the valve comprises a valve clack, a 2 valve seat, a 3 valve body, a 4 valve rod, 5 packing, a 6 valve cover, 7 packing gland, 8 pneumatic devices and 9 connecting frames.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Based on the embodiments in the present utility model. All other embodiments, which can be made by those skilled in the art without the inventive effort, are intended to be within the scope of the present utility model.
Referring to fig. 1, the present utility model provides a technical solution: the utility model provides an upward expansion type baiting valve, includes valve body 3, the upper end through-hole department of valve body 3 is provided with the step hole, and the step hole corresponds and is provided with disk seat 2, disk seat 2 is higher than the upper end of valve body 3 and valve clack 1 and close to setting up
Specifically, the valve body 3 is a main body part of an upward-expansion type discharging valve, a step hole is formed in a through hole at the upper end of the main body part, the step hole is a platform-shaped recess with a relatively low height, so that the valve seat 2 is conveniently installed, the valve seat 2 is used for fixing and supporting a part of the valve clack 1, and the part is installed on the step hole and corresponds to the step hole, so that the contact between the valve clack 1 and the valve seat 2 is tighter, and the sealing effect of the valve body 3 is ensured.
A valve rod 4 is arranged in the central cavity of the valve body 3, the lower end of the valve rod 4 extends to the outer side of the lower end of the valve body 3 and is connected with a pneumatic device 8 positioned below the valve body 3,
specifically, the valve rod 4 is a component for controlling the valve clack 1 to open and close, and is responsible for changing the flow direction of the material, the lower end of the valve rod 4 extends to the outer side of the lower end of the valve body 3 and is connected to a pneumatic device 8 positioned below the valve body 3, and the pneumatic device can transmit a control signal thereof to the valve rod 4 through media such as compressed air, so as to realize the control operation on the valve clack 4.
The lower end of the valve body 3 is connected with a valve cover 6 through a fastener.
Further, a packing 5 is arranged in a through hole at the lower end of the valve body 3 at the contact position with the valve rod 4, a packing gland 7 is arranged close to the packing 5, and the packing gland 7 is connected with the packing 5 and the valve cover 6 through a fastener.
Specifically, the packing 5 improves the sealing effect of the upward expansion type discharge valve, the packing 5 is used for filling the gap between the through hole and the valve rod 4, the tightness between the valve body 3 and the valve rod 4 is ensured through the elasticity and the plasticity of the packing 5, the packing gland 7 is connected with the packing 5 and the valve cover 6 through the fastener, the packing 5 is fixed inside the valve body 3, the sealing effect of the valve body is effectively improved, and the packing adopts high-temperature resistant, abrasion resistant and corrosion resistant materials to improve the service life of equipment.
Further, the valve clack 1 is a circular ring, and a fastener of the circular ring is connected with the outer ring.
Specifically, the valve clack 1 is made of high-strength and corrosion-resistant metal materials, such as stainless steel and the like. Good mechanical property and corrosion resistance, and can adapt to high temperature the use requirement under severe environments such as high pressure.
Further, a plugging block is arranged at the upper end of the valve rod 4, and the outer diameter of the plugging block is consistent with the inner ring of the valve clack 1.
Specifically, the use of the blocking block ensures that the flow passage of the material can be completely blocked after the valve rod 4 is contracted, thereby preventing the leakage of the material. The upper end of the valve rod also needs to be subjected to special processing treatment so as to ensure the flatness and the dimensional accuracy of the valve rod. Thus, the matching quality between the plugging block and the valve rod 4 can be ensured, and the sealing performance of the valve is improved.
Further, the plugging block is provided with a shoulder, and the shoulder is provided with a chamfer which is arranged corresponding to the chamfer at the valve seat 2.
In particular, the chamfer guarantees tightness between the block and the seat 2 when the valve is closed. The position of the chamfer is required to correspond to the chamfer arranged at the valve seat, so that a complete sealing contact surface can be formed between the plugging block and the valve seat 2. And meanwhile, the shoulder on the plugging block can also play a role in bearing material flow impact and vibration, so that the durability and stability of the valve are enhanced.
Meanwhile, the shoulder chamfer on the plugging block and the chamfer on the valve seat 2 are matched for use, so that the limiting effect can be achieved.
Further, a connecting frame 9 is arranged on the outer side of the valve rod 4, and the connecting frame 9 is connected with a fixing frame arranged above the pneumatic device 8.
When in use: the pneumatic device 8 is started, the valve rod 4 is extended, the valve is opened, materials flow in from the valve clack 1, and materials flow out along the inclined guide channel, when the valve rod 4 needs to be closed, the shoulder chamfer on the plugging block and the valve seat 2 are tightly arranged, and sealing is achieved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an upward expansion formula baiting valve, includes valve body (3), its characterized in that: the valve is characterized in that a step hole is formed in a through hole at the upper end of the valve body (3), a valve seat (2) is correspondingly arranged in the step hole, the upper end of the valve seat (2) higher than the valve body (3) is tightly arranged with the valve clack (1), a valve rod (4) is arranged in a central cavity of the valve body (3), the lower end of the valve rod (4) extends to the outer side of the lower end of the valve body (3) and is connected with a pneumatic device (8) located below the valve body (3), and the lower end of the valve body (3) is connected with the valve cover (6) through a fastener.
2. An up-draw type discharge valve according to claim 1, wherein: a packing (5) is arranged in a through hole at the lower end of the valve body (3) at the contact position with the valve rod (4), a packing gland (7) is arranged close to the packing (5), and the packing gland (7) is connected with the packing (5) and the valve cover (6) through a fastener.
3. An up-draw type discharge valve according to claim 1, wherein: the valve clack (1) is a circular ring, and a fastening piece of the valve clack is connected with the outer ring.
4. An up-draw type discharge valve according to claim 1, wherein: the upper end of the valve rod (4) is provided with a plugging block, and the outer diameter of the plugging block is consistent with the inner ring of the valve clack (1).
5. The upward expansion type discharge valve according to claim 4, wherein: the plugging block is provided with a shoulder, and the shoulder is provided with a chamfer which is arranged corresponding to the chamfer at the valve seat (2).
6. An up-draw type discharge valve according to claim 1, wherein: the outside of valve rod (4) is provided with link (9), and link (9) are connected with the mount that sets up in pneumatic means (8) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337144.7U CN219827730U (en) | 2023-05-30 | 2023-05-30 | Upward-expansion type discharging valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337144.7U CN219827730U (en) | 2023-05-30 | 2023-05-30 | Upward-expansion type discharging valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827730U true CN219827730U (en) | 2023-10-13 |
Family
ID=88281510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321337144.7U Active CN219827730U (en) | 2023-05-30 | 2023-05-30 | Upward-expansion type discharging valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827730U (en) |
-
2023
- 2023-05-30 CN CN202321337144.7U patent/CN219827730U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |