CN215567955U - Stop valve with good anti-freezing effect - Google Patents
Stop valve with good anti-freezing effect Download PDFInfo
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- CN215567955U CN215567955U CN202120446437.3U CN202120446437U CN215567955U CN 215567955 U CN215567955 U CN 215567955U CN 202120446437 U CN202120446437 U CN 202120446437U CN 215567955 U CN215567955 U CN 215567955U
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Abstract
The utility model relates to a stop valve with good anti-freezing effect, which comprises a valve body, wherein the valve body comprises an inner shell and an outer shell, an anti-freezing layer, a thermal fiber, a heat insulation layer, a constant temperature phase change material and a filling layer are sequentially arranged between the inner shell and the outer shell, the anti-freezing performance in the inner shell is effectively improved by matching the anti-freezing layer, the constant temperature phase change material can release a proper amount of heat energy when the constant temperature phase change material is solidified along with the gradual reduction of the external environment, the heat insulation performance and the anti-freezing performance of the inner shell are improved, a water pipe is spirally wound on the outer side of the inner shell, hot water can be injected into the water pipe when the temperature is reduced and the ice is generated, the ice in the inner shell is dissolved in a heat conduction mode, two end ports of the water pipe are arranged above one another, the liquid in the water pipe can be conveniently discharged, and a telescopic rubber pad is connected between a valve core and a fixed cylinder through a first sealing ring and a second sealing ring, effectively prevent the liquid contact of the inside circulation of valve rod and inner shell, prevent that the valve rod from being frozen.
Description
Technical Field
The utility model relates to the technical field of stop valves, in particular to a stop valve with a good anti-freezing effect.
Background
The stop valve, also called stop valve, is one of the most widely used valves, and is popular because of the small friction force between the sealing surfaces in the opening and closing process, the durability, the small opening height, the easy manufacture, the convenient maintenance, and not only suitable for the middle and low pressure, but also suitable for the high pressure. The closed principle of stop valve is, rely on valve lever pressure, make the sealed face of valve clack and the sealed face of disk seat closely laminate, the patent document that prevents medium circulation application number for CN201921231123.0 provides the structure of a stop valve, the leakproofness of stop valve has been strengthened through setting up sealing mechanism, the closed effect of stop valve has been improved, but to some severe cold areas, the stop valve is when closing, moisture can be remained to many in the valve body, when the temperature drops to the certain degree, the stop valve will be frozen, influence specific use, it can freeze the inflation to remain the liquid when freezing simultaneously, cause the valve body easily to suffer the extrusion and break, consequently, need provide certain heat preservation measure and the measure of preventing frostbite of unfreezing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a stop valve with a good anti-freezing effect so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a stop valve with good anti-freezing effect comprises a valve body, wherein the valve body comprises an inner shell and an outer shell, the inner shell is positioned inside the outer shell, an anti-freezing layer, a heat-insulating fiber, a heat-insulating layer, a constant-temperature phase-change material and a filling layer are sequentially arranged between the outer shell and the inner shell, a water pipe is spirally wound on the outer wall of the inner shell and is positioned between the filling layer and the outer wall of the inner shell, two ends of the water pipe are arranged one above the other and respectively extend to the outside of the outer shell, the inside of the inner shell comprises a water inlet cavity and a water outlet cavity, a valve seat is arranged between the water inlet cavity and the water outlet cavity, a fixed cylinder is arranged at the top of the inner shell and the outer shell in a penetrating manner, a valve cover is arranged at the top end of the fixed cylinder, a valve rod is arranged in the fixed cylinder, the top of the valve rod penetrates through the valve cover and extends upwards to form a rotating handle, and a valve core is arranged at the bottom of the valve rod, the valve core is matched with the valve seat, the top of the valve core is rotatably connected with a first sealing ring, the bottom of the fixing sleeve is provided with a second sealing ring, and a telescopic rubber sleeve is arranged between the first sealing ring and the second sealing ring.
As a further scheme of the utility model: the top of valve gap is provided with the fixing base, threaded connection between valve rod and the fixing base.
As a still further scheme of the utility model: the both sides of a fixed section of thick bamboo are provided with fixed ear, pass through bolted connection between valve gap and the fixed ear.
As a still further scheme of the utility model: an annular sealing gasket is arranged between the valve rod and the fixed cylinder, and a packing layer is arranged above the annular sealing gasket.
As a still further scheme of the utility model: and two ends of the water pipe are respectively provided with a sealing cover, and the sealing covers are in threaded connection with the two ends of the water pipe.
As a still further scheme of the utility model: and connecting flanges are arranged at the two ends of the inner shell and the outer shell and are welded with the inner shell and the outer shell.
As a still further scheme of the utility model: the side wall of the rotating handle is provided with an anti-skid bulge.
Compared with the prior art, the utility model has the advantages that:
the valve body comprises an inner shell and an outer shell, wherein an anti-freezing layer, a heat-insulating fiber, a heat-insulating layer, a constant-temperature phase-change material and a filling layer are sequentially arranged between the inner shell and the outer shell, an anti-freezing agent is preferably selected as the anti-freezing layer, a heat-insulating fiber structure is preferably selected as the heat-insulating layer, a double-layer aluminum foil sealing structure is preferably selected as the filling layer, the anti-freezing performance of the inner shell and the inner shell is effectively improved through the cooperation of the anti-freezing layer and the filling layer, the constant-temperature phase-change material can release a proper amount of heat energy when being solidified along with the gradual reduction of the external environment, so that the heat-insulating performance and the anti-freezing performance of the inner shell are improved, a water through pipe is spirally wound on the outer side of the inner shell, hot water can be injected into the water through pipe when the freezing is generated due to the incapability of resisting of the temperature reduction, the freezing of the freezing is dissolved in the inner shell in a heat conduction mode, and the two end ports of the water through pipe are arranged one above and below the other, in addition, the telescopic rubber gasket is connected between the valve core and the fixed cylinder through the first sealing ring and the second sealing ring, so that the valve rod can be effectively prevented from contacting with liquid circulating in the inner shell, and the valve rod is prevented from being frozen.
Drawings
FIG. 1 is a front sectional view of the overall structure of a stop valve with good anti-freezing effect according to the present invention;
FIG. 2 is a schematic view showing a connection structure between the inner casing and the water pipe in the present invention;
FIG. 3 is an enlarged view of a portion of A of FIG. 1;
fig. 4 is a schematic view of a connection structure among the first seal ring, the telescopic rubber sleeve and the second seal ring in the utility model.
In the figure: 1. a valve body; 2. an inner shell; 3. a housing; 4. an anti-freezing layer; 5. thermal fibers; 6. a thermal insulation layer; 7. a constant temperature phase change material; 8. a filling layer; 9. a water pipe; 10. a water inlet cavity; 11. a water outlet cavity; 12. a valve seat; 13. a fixed cylinder; 14. a valve cover; 15. a valve stem; 16. rotating the handle; 17. a valve core; 18. a first seal ring; 19. a second seal ring; 20. a telescopic rubber sleeve; 21. a fixed seat; 22. fixing the ear; 23. an annular seal; 24. a filler layer; 25. a sealing cover; 26. a connecting flange; 27. and (4) anti-skid bulges.
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:
a stop valve with good anti-freezing effect comprises a valve body 1, wherein the valve body 1 comprises an inner shell 2 and an outer shell 3, the inner shell 2 is positioned inside the outer shell 3, an anti-freezing layer 4, a thermal fiber 5, a heat insulation layer 6, a constant temperature phase change material 7 and a filling layer 8 are sequentially arranged between the outer shell 3 and the inner shell 2, a water pipe 9 is spirally wound on the outer wall of the inner shell 2, the water pipe 9 is positioned between the filling layer 8 and the outer wall of the inner shell 2, two ends of the water pipe 9 are arranged one above the other and respectively extend to the outside of the outer shell 3, the inside of the inner shell 2 comprises a water inlet cavity 10 and a water outlet cavity 11, a valve seat 12 is arranged between the water inlet cavity 10 and the water outlet cavity 11, a fixed cylinder 13 is arranged at the top of the inner shell 2 and the outer shell 3 in a penetrating manner, a valve cover 14 is arranged at the top end of the fixed cylinder 13, a valve rod 15 is arranged in the fixed cylinder 13, the top of the valve rod 15 penetrates through the valve cover 14 and extends upwards to be provided with a rotating handle 16, the bottom of the valve rod 15 is provided with a valve core 17, the valve core 17 is matched with the valve seat 12, the top of the valve core 17 is rotatably connected with a first sealing ring 18, the bottom of the fixing sleeve is provided with a second sealing ring 19, and a telescopic rubber sleeve 20 is arranged between the first sealing ring 18 and the second sealing ring 19.
In the embodiment of the utility model: the top of valve gap 14 is provided with fixing base 21, threaded connection between valve rod 15 and the fixing base 21 strengthens the stability when valve rod 15 rotates, prevents that valve rod 15 from taking place because of the uneven condition that produces the deformation of atress.
In the embodiment of the utility model: the two sides of the fixed cylinder 13 are provided with fixed lugs 22, and the valve cover 14 is connected with the fixed lugs 22 through bolts, so that the valve cover 14 can be conveniently mounted and dismounted.
In the embodiment of the utility model: an annular sealing gasket 23 is arranged between the valve rod 15 and the fixed cylinder 13, and a packing layer 24 is arranged above the annular sealing gasket 23 to enhance the sealing property between the fixed cylinder 13 and the valve rod 15.
In the embodiment of the utility model: the two ends of the water service pipe 9 are respectively provided with a sealing cover 25, the sealing covers 25 are in threaded connection with the two ends of the water service pipe 9, impurities such as dust are prevented from entering the water service pipe 9, and meanwhile the sealing performance of the water service pipe 9 can be guaranteed when needed.
In the embodiment of the utility model: both ends of inner shell 2 and shell 3 all are provided with flange 26, the welding between flange 26 and inner shell 2 and the shell 3 is convenient for the stop valve and the external pipeline be connected.
In the embodiment of the utility model: the turning handle 16 is provided with a slip prevention protrusion 27 on a side wall thereof to slip when the turning handle 16 is screwed.
The working principle of the utility model is as follows:
when the valve body 1 comprises an inner shell 2 and an outer shell 3, an anti-freezing layer 4, thermal fibers 5, a heat insulation layer 6, a constant temperature phase change material 7 and a filling layer 8 are sequentially arranged between the inner shell 2 and the outer shell 3, the anti-freezing layer 4 is preferably an antifreeze, the heat insulation layer 6 is preferably a heat insulation fiber structure, the filling layer 8 is preferably a double-layer aluminum foil sealing structure, the anti-freezing performance of the inner shell 2 and the inner shell 2 is effectively improved through the cooperation of the anti-freezing layers, and the constant temperature phase change material 7 can release a proper amount of heat energy when the constant temperature phase change material 7 is solidified along with the gradual reduction of the external environment, the utility model improves the heat preservation and the freezing resistance of the inner shell 2, the water pipe 9 is spirally wound on the outer side of the inner shell 2, hot water can be injected into the water pipe 9 when the temperature is reduced and the freezing is not resisted to generate ice, the ice in the inner shell 2 is dissolved by a heat conduction mode, the two end ports of the water pipe 9 are arranged one above the other to facilitate the discharge of liquid in the water pipe 9, in addition, a telescopic rubber sleeve 20 is connected between the valve core 17 and the fixed cylinder 13 through a first sealing ring 18 and a second sealing ring 19, the telescopic rubber sleeve 20 can stretch along with the rising and the falling of the valve core 17 to isolate the valve rod 15 from a circulating medium in the inner shell 2, the contact between the valve rod 15 and the medium circulating in the inner shell 2 can be effectively prevented, and the valve rod 15 is prevented from being frozen.
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. The utility model provides a stop valve that effect of preventing frostbite is good, includes valve body (1), its characterized in that: the valve body (1) comprises an inner shell (2) and an outer shell (3), wherein the inner shell (2) is positioned inside the outer shell (3), an anti-freezing layer (4), a thermal fiber (5), a heat insulation layer (6), a constant-temperature phase change material (7) and a filling layer (8) are sequentially arranged between the outer shell (3) and the inner shell (2), a water pipe (9) is spirally wound on the outer wall of the inner shell (2), the water pipe (9) is positioned between the filling layer (8) and the outer wall of the inner shell (2), two ends of the water pipe (9) are arranged one above the other and respectively extend to the outside of the outer shell (3), the inside of the inner shell (2) comprises a water inlet cavity (10) and a water outlet cavity (11), a valve seat (12) is arranged between the water inlet cavity (10) and the water outlet cavity (11), and a fixed barrel (13) penetrates through the tops of the inner shell (2) and the outer shell (3), the improved valve is characterized in that a valve cover (14) is arranged at the top end of the fixed cylinder (13), a valve rod (15) is arranged in the fixed cylinder (13), the top of the valve rod (15) penetrates through the valve cover (14) and extends upwards to be provided with a rotating handle (16), a valve core (17) is arranged at the bottom of the valve rod (15), the valve core (17) is matched with the valve seat (12), a first sealing ring (18) is rotatably connected to the top of the valve core (17), a second sealing ring (19) is arranged at the bottom of the fixed cylinder, and a telescopic rubber sleeve (20) is arranged between the first sealing ring (18) and the second sealing ring (19).
2. The stop valve with good antifreezing effect as claimed in claim 1, wherein: the top of valve gap (14) is provided with fixing base (21), threaded connection between valve rod (15) and fixing base (21).
3. The stop valve with good antifreezing effect as claimed in claim 1, wherein: the two sides of the fixed cylinder (13) are provided with fixed lugs (22), and the valve cover (14) is connected with the fixed lugs (22) through bolts.
4. The stop valve with good antifreezing effect as claimed in claim 1, wherein: an annular sealing gasket (23) is arranged between the valve rod (15) and the fixed cylinder (13), and a packing layer (24) is arranged above the annular sealing gasket (23).
5. The stop valve with good antifreezing effect as claimed in claim 1, wherein: and two ends of the water pipe (9) are respectively provided with a sealing cover (25), and the sealing covers (25) are in threaded connection with the two ends of the water pipe (9).
6. The stop valve with good antifreezing effect as claimed in claim 1, wherein: both ends of inner shell (2) and shell (3) all are provided with flange (26), flange (26) and inner shell (2) and shell (3) between the welding.
7. The stop valve with good antifreezing effect as claimed in claim 1, wherein: the side wall of the rotating handle (16) is provided with an anti-skid bulge (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120446437.3U CN215567955U (en) | 2021-03-02 | 2021-03-02 | Stop valve with good anti-freezing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120446437.3U CN215567955U (en) | 2021-03-02 | 2021-03-02 | Stop valve with good anti-freezing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215567955U true CN215567955U (en) | 2022-01-18 |
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ID=79838799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120446437.3U Active CN215567955U (en) | 2021-03-02 | 2021-03-02 | Stop valve with good anti-freezing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215567955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115899374A (en) * | 2022-12-27 | 2023-04-04 | 徐州精伦电子科技有限公司 | Cold-resistant valve capable of being automatically adjusted |
| CN117967851A (en) * | 2024-04-01 | 2024-05-03 | 珠海吉泰克物理科技有限公司 | Antifreezing valve body, application and production method thereof |
-
2021
- 2021-03-02 CN CN202120446437.3U patent/CN215567955U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115899374A (en) * | 2022-12-27 | 2023-04-04 | 徐州精伦电子科技有限公司 | Cold-resistant valve capable of being automatically adjusted |
| CN117967851A (en) * | 2024-04-01 | 2024-05-03 | 珠海吉泰克物理科技有限公司 | Antifreezing valve body, application and production method thereof |
| CN117967851B (en) * | 2024-04-01 | 2024-06-07 | 珠海吉泰克物理科技有限公司 | Antifreezing valve body, application and production method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230420 Address after: No.36 Chajin Road, Shuangqiaohe Town, Jinnan District, Tianjin, 300350 Patentee after: Zhongmei Tang Valve (Tianjin) Valve Group Co.,Ltd. Address before: 224400 No. 6 Avenue, Funing Economic Development Zone, Yancheng City, Jiangsu Province (A) Patentee before: JIANGSU WOHUIDE INTELLIGENT FLUID TECHNOLOGY CO.,LTD. |