CN212429744U - Built-in valve structure of pre-acting alarm valve seat - Google Patents
Built-in valve structure of pre-acting alarm valve seat Download PDFInfo
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- CN212429744U CN212429744U CN202020266129.8U CN202020266129U CN212429744U CN 212429744 U CN212429744 U CN 212429744U CN 202020266129 U CN202020266129 U CN 202020266129U CN 212429744 U CN212429744 U CN 212429744U
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Abstract
The utility model discloses a built-in valve structure of pre-action alarm valve disk seat, include: the valve comprises a valve body, a valve cover, a valve seat and a diaphragm; the valve body is internally provided with an accommodating cavity, and the accommodating cavity comprises a water inlet, a water outlet and a water through hole for communicating the water inlet and the water outlet; a valve seat is embedded in the water through hole; the valve body is provided with an early warning channel; the membrane flap is arranged in the accommodating cavity and used for controlling the opening and closing of the water through hole; the bottom of the valve flap is provided with a sealing ring which is abutted with the valve seat to form sealing to close the water flow through hole; or the sealing ring is separated from the valve seat, so that the water flow through hole is opened; the upper surface of the valve seat is a sealing surface; the valve seat is provided with an early warning water flow through hole; one opening of the early warning water through hole is arranged on the sealing surface of the valve seat, and the other opening of the early warning water through hole is communicated with the early warning channel. The utility model provides a preaction function valve has simple reliable, advantage that low in manufacturing cost.
Description
Technical Field
The utility model relates to the field of fire-fighting water valves; in particular to a built-in valve structure of a pre-acting alarm valve seat.
Background
With the advancement of fire fighting technology, the requirements associated with valves for fire water are also increasing. The valve, as shown in patent CN201520937247.6, generally comprises a valve body, various functional probes, a valve flap, and a spring for pressing the valve flap against the water inlet to seal the water inlet. However, different situations have different requirements for fire valves, for example, in libraries, archives and other special places, the fire valves need to alarm when the fire is found by the equipment, and pre-action devices required for alarming are complex and high in production cost, and comprise a plurality of detection devices and controllers such as special valves. Therefore, a pre-acting valve with simple structure, reliable performance and low cost is needed in the market to meet the development requirement.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model discloses a first aim at provides a built-in valve structure of pre-action alarm valve disk seat, the utility model discloses a set up early warning rivers through-hole on the disk seat, the switching that has set up this through-hole simultaneously is by the lamella unified control of control rivers to realized, when the conflagration takes place, when the lamella was opened, early warning rivers through-hole also was opened, leading-in rivers realize reporting to the police. The utility model provides a scheme has simple reliable, advantage that low in manufacturing cost.
Realize the utility model discloses an aim can reach through taking following technical scheme:
a valve structure with a built-in pre-action warning valve seat, comprising: the valve comprises a valve body, a valve cover, a valve seat and a diaphragm;
the valve body is internally provided with an accommodating cavity, and the accommodating cavity comprises a water inlet, a water outlet and a water through hole for communicating the water inlet and the water outlet; a valve seat is embedded in the water through hole; the valve body is provided with an early warning channel;
the membrane flap is arranged in the accommodating cavity and used for controlling the opening and closing of the water through hole;
the bottom of the valve flap is provided with a sealing ring which is abutted with the valve seat to form sealing to close the water flow through hole; or the sealing ring is separated from the valve seat, so that the water flow through hole is opened;
the upper surface of the valve seat is a sealing surface; the valve seat is provided with an early warning water flow through hole; one opening of the early warning water through hole is arranged on the sealing surface of the valve seat, and the other opening of the early warning water through hole is communicated with the early warning channel.
Preferably, the sealing surface is provided with a first annular groove, and the early warning water flow hole is communicated with the first annular groove.
Preferably, the side of the valve seat is provided with a second annular groove, and the second annular groove is respectively communicated with the early warning water flow through hole and the early warning channel.
Preferably, the side surface of the valve seat is provided with a third annular groove for mounting a sealing ring.
Preferably, an early warning sleeve is arranged in the early warning channel.
Preferably, the lower surface of the outer edge of the valve seat is provided with a fourth annular groove for installing a sealing ring; the side surface of the valve seat and the lower surface of the outer edge of the valve seat are abutted to the valve body to form sealing, so that the second annular groove and the valve body form a closed channel.
Preferably, the early warning channel is communicated with an alarm bell.
Preferably, the early warning water flow through holes are provided with a plurality of water flow through holes, one end of each early warning water flow through hole is communicated with the first annular groove, and the other end of each early warning water flow through hole is communicated with the second annular groove.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a set up early warning rivers through-hole on the disk seat, the switching that has set up this through-hole simultaneously is by the lamella unified control of control rivers to, realized, when the conflagration takes place, when the lamella is opened, early warning rivers through-hole also is opened, and leading-in rivers realize the preaction and report to the police. The utility model provides a scheme has simple reliable, advantage that low in manufacturing cost.
Drawings
FIG. 1 is a schematic view of the valve construction;
FIG. 2 is a cross-sectional view of the valve in a closed state;
FIG. 3 is a cross-sectional view of the valve in an open state;
FIG. 4 is a schematic view of the valve seat structure;
FIG. 5 illustrates a cross-sectional view of the valve seat;
FIG. 6 is a schematic view of the valve structure;
FIG. 7 is a cross-sectional view of the valve;
FIG. 8 is an enlarged view of area C of FIG. 7;
wherein, 1, a flap; 10. a water inlet; 13. a seal ring; 2. a valve body; 20. a water outlet; 22. an early warning channel; 221. early warning sleeve; 23. a water flow through hole; 3. a valve cover; 30. a control chamber; 4. a valve seat; 41. early warning of water flow holes; 42. a first annular groove; 43. a second annular groove; 44. a third annular groove; 45. a fourth annular groove; 46. a seal ring; 5. an alarm bell.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1:
as shown in fig. 1-3, a valve structure comprises a valve body 2, a valve cover 3, and a diaphragm 1; the diaphragm 1 is arranged in the cavity of the valve body 2, the diaphragm 1 is clamped between the valve body 2 of the valve cover 3, so that a control cavity 30 is formed between the diaphragm 1 and the valve cover 3; the spring that pushes the flap 1 to move can be a disc spring on the flap 1 or a coil spring between the flap 1 and the valve cover 3 so that the flap 1 blocks the inlet 10 and the outlet 20. The working principle of the embodiment is as follows; when water is injected into the control chamber 30 and the water inlet 10, the valve 1 is closed due to the action of the water pressure and the pressure of the spring on the valve 1; when the water pressure is less than the elastic force of the spring, the closing function can be independently completed by the spring; when a fire occurs, the pressure of the water outlet 20 is relieved, the control cavity 30 is communicated with the water outlet 20, the water pressure of the control cavity 30 is reduced, a pressure difference is formed between the water inlet 10 and the water outlet 20, the membrane valve 1 is flushed away under the action of the water pressure, and water can reach the water outlet 20 from the water inlet 10 through the water through hole 23 to realize water passing.
Example 2
As shown in fig. 1-8, a valve structure with a built-in pre-applied warning valve seat, comprising: the valve comprises a valve body 2, a valve cover 3, a valve seat 4 and a valve flap 1;
an accommodating cavity is arranged in the valve body 2, and comprises a water inlet 10, a water outlet 20 and a water through hole 23 for communicating the water inlet 10 and the water outlet 20; the valve seat 4 is embedded in the water through hole 23; the valve body 2 is provided with an early warning channel 22;
the valve 1 is arranged in the accommodating cavity and used for controlling the opening and closing of the water flow through hole 23;
the bottom of the valve flap 1 is provided with a sealing ring 13, and the sealing ring 13 is abutted against the valve seat 4 to form sealing to close the water flowing through hole 23; or the sealing ring 13 is separated from the valve seat 4, so that the water flowing through hole 23 is opened;
the upper surface of the valve seat 4 is a sealing surface, namely an abutting surface with the sealing ring 13; the valve seat 4 is provided with an early warning water flow through hole 41; one opening of the early warning water flow hole 41 is arranged on the sealing surface of the valve seat 4, and the other opening is communicated with the early warning channel 22. In the present embodiment, the valve has the same operation mechanism as that of the valve in embodiment 1; the specific difference lies in that when the valve 1 is opened, because the opening of the early warning water flow through hole 41 is arranged on the sealing surface, when the valve 1 is opened, the opening of the early warning water flow through hole 41 can be realized, and at the moment, the presoaking channel communicated with the valve obtains water flow or water pressure, so that an alarm can be awakened, and the pre-acting alarm function is realized.
In a preferred embodiment, the sealing surface is provided with a first annular groove 42, and the early warning water flow hole 41 communicates with the first annular groove 42. And a second annular groove 43 is formed in the side surface of the valve seat 4, and the second annular groove 43 is respectively communicated with the early warning water flow through hole 41 and the early warning channel 22. The early warning water flow holes 41 are provided with a plurality of water flow holes, one end of each early warning water flow hole 41 is communicated with the first annular groove 42, and the other end of each early warning water flow hole is communicated with the second annular groove 43. The first annular groove 42 is arranged, the plurality of early warning water flow through holes 41 are arranged, so that sealing is easier, and the second annular groove 43 is arranged for collecting water flow flowing into each early warning water flow through hole 41, so that the water flow quantity and the water pressure are ensured; meanwhile, the second annular groove 43 is arranged, so that the early warning water flow through hole 41 in the valve seat 4 is more conveniently communicated with the early warning channel 22, specific alignment installation is not needed, and the installation difficulty is reduced.
In a preferred embodiment, the side of the valve seat 4 is provided with a third annular groove 44, and the third annular groove 44 is used for installing a sealing ring 46. An early warning sleeve 221 is arranged in the early warning channel 22. The bushing 221 made of a non-rusting material, such as stainless steel, can prevent rusting in the hole due to difficulty in rust prevention or blockage due to rusting; a fourth annular groove 45 for installing a sealing ring 46 is arranged on the lower surface of the outer edge of the valve seat 4; the side surface of the valve seat 4 and the lower surface of the outer edge of the valve seat 4 are abutted against the valve body 2 and form a seal, so that the second annular groove 43 forms a closed passage with the valve body 2. The early warning channel is communicated with an alarm bell 5, can rapidly give an alarm, and can also be communicated with other alarm devices, such as a water flow detector and the like, to realize the alarm.
Various other changes and modifications may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such changes and modifications should fall within the scope of the present invention.
Claims (8)
1. The utility model provides a built-in valve structure of pre-action alarm valve disk seat which characterized in that includes: the valve comprises a valve body, a valve cover, a valve seat and a diaphragm;
the valve body is internally provided with an accommodating cavity, and the accommodating cavity comprises a water inlet, a water outlet and a water through hole for communicating the water inlet and the water outlet; a valve seat is embedded in the water through hole; the valve body is provided with an early warning channel;
the membrane flap is arranged in the accommodating cavity and used for controlling the opening and closing of the water through hole;
the bottom of the valve flap is provided with a sealing ring which is abutted with the valve seat to form sealing to close the water flow through hole; or the sealing ring is separated from the valve seat, so that the water flow through hole is opened;
the upper surface of the valve seat is a sealing surface; the valve seat is provided with an early warning water flow through hole; one opening of the early warning water through hole is arranged on the sealing surface of the valve seat, and the other opening of the early warning water through hole is communicated with the early warning channel.
2. The built-in valve structure of the pre-acting warning valve seat of claim 1, characterized in that: the sealing surface is provided with a first annular groove, and the early warning water flow through hole is communicated with the first annular groove.
3. The built-in valve structure of the pre-acting warning valve seat of claim 2, characterized in that: and a second annular groove is formed in the side surface of the valve seat and is respectively communicated with the early warning water flow through hole and the early warning channel.
4. The built-in valve structure of the pre-acting warning valve seat of claim 1, characterized in that: and a third annular groove is formed in the side surface of the valve seat and used for installing a sealing ring.
5. The built-in valve structure of the pre-acting warning valve seat of claim 1, characterized in that: and an early warning sleeve is arranged in the early warning channel.
6. A valve structure built-in to a pre-action warning valve seat as claimed in claim 3, wherein: a fourth annular groove for installing a sealing ring is formed in the lower surface of the outer edge of the valve seat; the side surface of the valve seat and the lower surface of the outer edge of the valve seat are abutted to the valve body to form sealing, so that the second annular groove and the valve body form a closed channel.
7. The built-in valve structure of the pre-acting warning valve seat of claim 1, characterized in that: the early warning channel is communicated with an alarm bell.
8. A valve structure built-in to a pre-action warning valve seat as claimed in claim 3, wherein: the early warning rivers through-hole is provided with a plurality of, and every early warning rivers through-hole's one end and first annular groove intercommunication, the other end and second annular groove intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020266129.8U CN212429744U (en) | 2020-03-06 | 2020-03-06 | Built-in valve structure of pre-acting alarm valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020266129.8U CN212429744U (en) | 2020-03-06 | 2020-03-06 | Built-in valve structure of pre-acting alarm valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212429744U true CN212429744U (en) | 2021-01-29 |
Family
ID=74277114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020266129.8U Active CN212429744U (en) | 2020-03-06 | 2020-03-06 | Built-in valve structure of pre-acting alarm valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212429744U (en) |
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2020
- 2020-03-06 CN CN202020266129.8U patent/CN212429744U/en active Active
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