CN214008155U - Automatic discharge anti-freezing valve device - Google Patents
Automatic discharge anti-freezing valve device Download PDFInfo
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- CN214008155U CN214008155U CN202023241890.5U CN202023241890U CN214008155U CN 214008155 U CN214008155 U CN 214008155U CN 202023241890 U CN202023241890 U CN 202023241890U CN 214008155 U CN214008155 U CN 214008155U
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- pressing block
- spring pressing
- valve
- automatic discharge
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Abstract
The utility model discloses an automatic discharge freeze-proof valve device, including the valve body upper cover, lower valve body and case, be provided with the valve body baffle between valve body upper cover and the lower valve body, one side of lower valve body is provided with the fluid outlet, the below of fluid outlet is provided with fluid inlet, the fluid outlet is linked together with the discharge port, the inside of valve body upper cover has set gradually the spring pressing block, spring and lower spring pressing block, the both ends butt of spring is on the opposite face of last spring pressing block and lower spring pressing block, lower spring pressing block butt is on the recess of valve body baffle, the bottom of lower spring pressing block is provided with the connecting rod, the other end of connecting rod runs through behind the valve body baffle and is connected with the case, the bottom of case is provided with interior scarf. The utility model discloses simple structure, simple to operate, the practicality is high, and is high-efficient frostproofing, and the fluid medium in the recoverable pipeline saves the resource.
Description
Technical Field
The utility model relates to a pipeline valve field especially relates to an automatic discharge freeze-proof valve device.
Background
In the operation process of northern power plants, steel plants, chemical plants and the like, pipelines for temporarily or discontinuously conveying fluid media are generally available, the fluid media take water as an example, in winter, after the pipelines are stopped, if good heat preservation and quite reliable anti-freezing measures are not available, the pipelines containing the media water are quickly frozen, the pipelines can be frozen when the pipelines are serious, and a great amount of time and work can be consumed when the pipelines are required to be restarted. Reliable anti-freezing measures are made, so that labor force and capital investment are greatly increased; if a drain valve is added, each switch causes a loss of medium while increasing the amount of work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic discharge freeze-proof valve device solves and freezes, the problem that the frost crack damage etc. influences normal use with the pipeline that the pipeline medium in time discharges the result in during the winter outage.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to an automatic discharge freeze-proof valve device, including valve body upper cover, lower valve body and case, its characterized in that: the improved valve is characterized in that a valve body partition plate is arranged between the valve body upper cover and the lower valve body, a fluid outlet is formed in one side of the lower valve body, a fluid inlet is formed below the fluid outlet, the fluid outlet is communicated with a discharge port, an upper spring pressing block, a spring and a lower spring pressing block are sequentially arranged inside the valve body upper cover, two ends of the spring are abutted to the opposite surfaces of the upper spring pressing block and the lower spring pressing block, the lower spring pressing block is abutted to a groove of the valve body partition plate, a connecting rod is arranged at the bottom of the lower spring pressing block, the other end of the connecting rod penetrates through the valve body partition plate and then is connected with a valve core, and an inner inclined plane is formed in.
Further, what run through on the top of valve body upper cover is provided with the pressure regulating nut of taking the depression bar, the pressure regulating nut lower extreme the bottom surface of depression bar with the top recess of going up the spring briquetting rotationally closely laminates.
Furthermore, the opposite surfaces of the upper spring pressing block and the lower spring pressing block are provided with protrusions, and the protrusions are sleeved in the springs.
Furthermore, the two ends of the connecting rod are provided with external thread sections, and the two ends of the connecting rod are respectively in threaded connection with the lower spring pressing block and the valve core.
Further, a valve body sealing ring is arranged between the valve body partition plate and the lower valve body, and the circumferential edges of the valve body upper cover, the valve body partition plate and the lower valve body are fixed into a whole through a plurality of bolts.
Furthermore, a T-shaped sealing ring is arranged between the connecting rod and the valve body partition plate, a sealing gland is correspondingly arranged at the top of the sealing ring, and the sealing gland is fixed in the groove of the valve body partition plate through a sealing screw.
Furthermore, a drain valve is arranged at the bottom of the lower valve body.
Still further, an outlet flange is arranged on the fluid outlet, and an inlet flange is arranged on the fluid inlet.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to an automatic discharge freeze-proof valve device, install it in pipeline medium transport initial point (for example close to the exit tube of pump department), force the case to overcome the pressure of built-in spring and move up through the pressure of medium, realize opening of case, put through fluid outlet and fluid inlet, guarantee the circulation of medium; when the medium conveying is stopped, the valve core is automatically closed downwards under the reset action of the built-in spring, the fluid outlet and the discharge port are communicated, the automatic discharge of the pipeline medium is realized, and if the discharge port is connected to a recovery pool or an original medium storage tank, the medium can be recovered.
The valve body sealing ring is arranged between the valve body clapboard and the lower valve body, and the T-shaped sealing ring is also arranged between the connecting rod and the sealing gland, so that the medium is prevented from flowing into the valve core, and the tightness of the valve body is ensured;
the utility model adds a blowoff valve at the bottom of the lower valve body, which can remove the impurities in time and reduce the abrasion of the valve core and the inner wall caused by the impurities;
the utility model discloses simple structure, simple to operate, the practicality is high, and is high-efficient frostproofing, and the resource is saved to the medium in the recoverable pipeline.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic structural view of an automatic discharge freeze-proof valve device according to the present invention;
FIG. 2 is an enlarged view of the present invention in the direction B;
description of reference numerals: 1. a pressure regulating nut; 2. a valve body upper cover; 3. a lower valve body; 4. a spring pressing block is arranged; 5. a lower spring pressing block; 6. a spring; 7. a valve body partition; 8. a bolt; 9. a connecting rod; 10. a sealing gland; 11. a seal screw; 12. a seal ring; 13. an inlet flange; 14. an outlet flange; 15. a valve core; 16. a discharge port; 17. a blowoff valve; 18. a fluid inlet; 19. a fluid outlet.
Detailed Description
As shown in fig. 1 and 2, an automatic discharging antifreezing valve device comprises a valve body upper cover 2, a lower valve body 3 and a valve core 15, and is characterized in that: a valve body clapboard 7 is arranged between the valve body upper cover 2 and the lower valve body 3, one side of the lower valve body 3 is provided with a fluid outlet 19, a fluid inlet 18 is arranged below the fluid outlet 19, the fluid outlet 19 is communicated with a discharge port 16, an upper spring pressing block 4 is sequentially arranged inside the valve body upper cover 2, spring 6 and lower spring briquetting 5, the both ends butt of spring 6 is on the opposite face of last spring briquetting 4 and lower spring briquetting 5, lower spring briquetting 5 butt is on the recess of valve body baffle 7, the bottom of lower spring briquetting 5 is provided with connecting rod 9, the other end of connecting rod 9 runs through behind the valve body baffle 7 and is connected with case 15, the bottom of case 15 is provided with interior scarf, the design of scarf can regard as the buffering of fluid medium, reduce the area of atress increase pressure, make things convenient for the pressure of medium to promote case 15, and open fluid outlet 19 when guaranteeing to close discharge port 16.
In operation, fluid medium flows in from the fluid inlet 18, the valve core 15 forces the pressure of the medium to drive the connecting rod 9 to move upwards, the spring 6 is pressed, the discharge port 16 is closed, and the fluid medium flows out from the fluid outlet 19; after the work is finished, the valve core 15 is closed downwards under the reset action of the spring 6, and meanwhile, the discharge port is opened, and the pipeline medium is emptied to achieve the purposes of freezing prevention and recycling.
Specifically, the top end of the valve body upper cover 2 is provided with a pressure regulating nut 1 with a pressure rod in a penetrating mode, and the bottom surface of the pressure rod at the lower end of the pressure regulating nut 1 is rotationally and tightly attached to a top groove of the upper spring pressing block 4. Because the device forces the valve core 15 to overcome the pressure of the spring 6 through the pressure of the medium to open the valve core 15, the pressure of the spring 6 and the pressure of the pipeline medium are adjusted through the pressure adjusting nut 1, so that the device can be suitable for different fluid media to realize the use in different scenes. When the pressure regulating valve works, the pressure regulating nut 1 is screwed downwards, the spring 6 is compressed, the pressure of the spring 6 is increased, and the medium pressure for pushing the valve core 15 is correspondingly increased; the pressure regulating nut 1 is screwed upwards, the spring 6 is reset, meanwhile, the pressure of the spring 6 is reduced, and the pressure of a medium for pushing the valve core 15 is correspondingly reduced.
Specifically, the opposite surfaces of the upper spring pressing block 4 and the lower spring pressing block 5 are provided with bulges, and the bulges are sleeved in the springs 6.
The two ends of the connecting rod 9 are provided with external thread sections, and the two ends of the connecting rod 9 are respectively in threaded connection with the lower spring pressing block 5 and the valve core 15, so that the connecting rod is convenient to detach and replace.
A valve body sealing ring is arranged between the valve body partition plate 7 and the lower valve body 3, and the circumferential edges of the valve body upper cover 2, the valve body partition plate 7 and the lower valve body 3 are fixed into a whole through a plurality of bolts 8.
Specifically, as shown in fig. 2, a T-shaped seal ring 12 is arranged between the connecting rod 9 and the valve body partition plate 7, a seal gland 10 is correspondingly arranged at the top of the seal ring 12, and the seal gland 10 is fixed in a groove of the valve body partition plate 7 through a seal screw 11, so that the valve body airtightness is ensured, impurities are prevented from being mixed in an inner cavity of the valve body upper cover 2, and the sensitivity of the spring 6 is reduced.
The bottom of lower valve body 3 is provided with blowoff valve 17, guarantees the valve body leakproofness and reduces the case 15 simultaneously and the inner wall of lower valve body 3 and causes the wearing and tearing because of having impurity.
More specifically, the fluid outlet 19 is provided with an outlet flange 14, the fluid inlet 18 is provided with an inlet flange 13, and different pipelines are externally connected through the flanges, so that the use scenes of the device are enriched.
The action process of the utility model is as follows:
referring first to fig. 1 and 2, the present apparatus is installed at the beginning of the pipeline media delivery (e.g., proximate the outlet pipe of the pump) with the fluid inlet 18 connected to the outlet pipe by the inlet flange 13 and the fluid outlet 19 connected to the inlet pipe by the outlet flange 14.
The pressure is adjusted by the pressure adjusting nut 1, the pressure of the medium is ensured to force the valve core 15 to overcome the pressure of the built-in spring 6, and the valve core is opened.
The fluid medium is introduced, the pressure of the medium forces the valve core 15 to move upwards against the pressure of the built-in spring 6, the discharge port 16 is closed, the fluid outlet 19 is opened, and the circulation of the medium is ensured; when the medium delivery stops, the valve core 15 is automatically closed downwards under the reset action of the spring 6, and the fluid outlet 19 and the discharge port 16 are communicated, so that the medium in the pipeline is automatically discharged.
After the medium in the pipeline is discharged, the blowoff valve 17 is opened, the medium in the lower valve body 3 is discharged, the airtightness of the valve body is ensured, and the abrasion of the valve core and the inner wall caused by the existence of impurities is reduced.
In this embodiment, the medium can be recovered by connecting the discharge port to a recovery tank or an original medium storage tank. The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (8)
1. The utility model provides an automatic discharge freeze-proof valve device, includes valve body upper cover (2), lower valve body (3) and case (15), its characterized in that: a valve body partition plate (7) is arranged between the valve body upper cover (2) and the lower valve body (3), a fluid outlet (19) is arranged on one side of the lower valve body (3), a fluid inlet (18) is arranged below the fluid outlet (19), the fluid outlet (19) is communicated with a discharge port (16), an upper spring pressing block (4), a spring (6) and a lower spring pressing block (5) are sequentially arranged inside the valve body upper cover (2), two ends of the spring (6) are abutted against the opposite surfaces of the upper spring pressing block (4) and the lower spring pressing block (5), the lower spring pressing block (5) is abutted against a groove of the valve body partition plate (7), a connecting rod (9) is arranged at the bottom of the lower spring pressing block (5), and the other end of the connecting rod (9) penetrates through the valve body partition plate (7) and then is connected with a valve core (15), the bottom of the valve core (15) is provided with an inner chamfered surface.
2. The automatic discharge antifreeze valve apparatus according to claim 1, wherein: the top of valve body upper cover (2) is provided with pressure regulating nut (1) of taking the depression bar that runs through, pressure regulating nut (1) lower extreme the bottom surface of depression bar with the top recess of going up spring pressing block (4) rotationally closely laminates.
3. The automatic discharge antifreeze valve apparatus according to claim 1, wherein: the opposite surfaces of the upper spring pressing block (4) and the lower spring pressing block (5) are provided with bulges, and the bulges are sleeved in the springs (6).
4. The automatic discharge antifreeze valve apparatus according to claim 1, wherein: the two ends of the connecting rod (9) are provided with external thread sections, and the two ends of the connecting rod (9) are respectively in threaded connection with the lower spring pressing block (5) and the valve core (15).
5. The automatic discharge antifreeze valve apparatus according to claim 1, wherein: the valve body sealing ring is arranged between the valve body partition plate (7) and the lower valve body (3), and the valve body upper cover (2), the valve body partition plate (7) and the circumferential edge of the lower valve body (3) are fixed into a whole through a plurality of bolts (8).
6. The automatic discharge antifreeze valve apparatus according to claim 1, wherein: the connecting rod (9) with be provided with T type sealing washer (12) between valve body baffle (7), the top of sealing washer (12) is corresponding is provided with gland (10), gland (10) are fixed through sealing screw (11) in the recess of valve body baffle (7).
7. The automatic discharge antifreeze valve apparatus according to claim 1, wherein: and a blow-down valve (17) is arranged at the bottom of the lower valve body (3).
8. The automatic discharge antifreeze valve apparatus according to claim 1, wherein: an outlet flange (14) is arranged on the fluid outlet (19), and an inlet flange (13) is arranged on the fluid inlet (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023241890.5U CN214008155U (en) | 2020-12-29 | 2020-12-29 | Automatic discharge anti-freezing valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023241890.5U CN214008155U (en) | 2020-12-29 | 2020-12-29 | Automatic discharge anti-freezing valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214008155U true CN214008155U (en) | 2021-08-20 |
Family
ID=77293458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023241890.5U Active CN214008155U (en) | 2020-12-29 | 2020-12-29 | Automatic discharge anti-freezing valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214008155U (en) |
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2020
- 2020-12-29 CN CN202023241890.5U patent/CN214008155U/en active Active
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