CN210600310U - Fireproof check valve for smoke exhaust passage - Google Patents
Fireproof check valve for smoke exhaust passage Download PDFInfo
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- CN210600310U CN210600310U CN201921298702.7U CN201921298702U CN210600310U CN 210600310 U CN210600310 U CN 210600310U CN 201921298702 U CN201921298702 U CN 201921298702U CN 210600310 U CN210600310 U CN 210600310U
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- heat conduction
- check valve
- air inlet
- smoke exhaust
- fire prevention
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Abstract
The utility model discloses a flue of discharging fume fire prevention check valve, including valve body, valve block, interface, kuppe, locking actuating mechanism and gas vent of admitting air, still including the heat-conduction fusing mechanism that can sense the temperature at valve body direction of admitting air and exhaust direction. The utility model has the advantages of simple structure, safe in utilization, and low in manufacturing cost, simple process has better economic benefits, is fit for promoting in a large number in market.
Description
Technical Field
The utility model relates to a house exhaust passage check valve technical field, it is specific, relate to a flue of discharging fume fire prevention check valve.
Background
According to national standards, when an indoor fire or a public flue fires, the check valves are closed, in the prior art, two methods for achieving the technical purpose are provided, one method is to connect the two check valves, the mode is complex in structure and causes the problem of low production efficiency, and the other method is to arrange temperature sensors on two sides of a valve plate and achieve the technical purpose in an automatic mode.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a flue of discharging fume fire prevention check valve has simple structure, safe in utilization's advantage, and low in manufacturing cost, simple process has better economic benefits, is fit for promoting in a large number in market.
The utility model aims at realizing through the following technical scheme:
a smoke exhaust air passage fireproof check valve comprises a valve body, a valve plate, an air inlet interface, a flow guide cover, an air outlet, a locking execution mechanism and an air outlet, and further comprises a heat conduction fusing mechanism capable of sensing the temperature of the air inlet direction and the air outlet direction of the valve body.
Further, the heat conduction fusing mechanism and the locking actuating mechanism are connected in a soldering mode.
Furthermore, one end of the heat conduction fusing mechanism, which is far away from the locking execution mechanism, is connected with the side face of the air inlet interface, which is close to the air outlet.
Further, a temperature sensing hole is formed in the side face, close to the air inlet direction, of the air inlet interface at the position corresponding to the connection position of the air inlet interface and the heat conduction fusing mechanism 9, and the temperature sensing hole is used for sensing the temperature of the air inlet by the heat conduction fusing mechanism.
Further, the heat conduction fusing mechanism is a copper sheet.
Furthermore, the heat conduction fusing mechanism is fixedly connected with the air inlet interface.
Furthermore, a level gauge is arranged at the joint of the end face of the air inlet interface and the valve body.
Furthermore, one end of the heat conduction fusing mechanism, which is far away from the locking actuating mechanism, is fixedly connected with the valve body.
Furthermore, a temperature sensing hole is formed in one side, close to the air inlet interface, of the valve body at a position corresponding to the joint of the valve body and the heat conduction fusing mechanism.
The utility model has the advantages that:
the utility model has the advantages of simple structure, safe in utilization, and low in manufacturing cost, simple process has better economic benefits, is fit for promoting in a large number in market.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the present invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom structure of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic view of the connection of the thermal conduction fusing mechanism and the locking actuator.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.
In the embodiment, as shown in fig. 1, the heat conduction fusing mechanism 9 and the locking actuating mechanism 5 are connected in a soldering mode, and according to the prior art, soldering is a welding method that metal solder with low melting point is heated and melted and then permeates and fills gaps at the joint of the metal pieces, and after the heat conduction fusing mechanism 9 senses the temperature, because the temperature of fire is higher than the melting point of the metal used for soldering, the heat conduction fusing mechanism 9 can be disconnected from the locking actuating mechanism 5 through heat transfer when fire occurs. Wherein, according to the national standard requirement, the fusing temperature of the soldering material for connecting the heat conduction fusing mechanism 9 and the locking actuating mechanism 5 is 150 +/-2 ℃ or 70 +/-2 ℃.
The material of the heat conduction fusing mechanism 9 is high-melting-point metal, and through research, the copper material is easy to obtain, and the cost is low, and as the optimization, the copper sheet is selected for the heat conduction fusing mechanism 9.
Specifically, the one end that locking actuating mechanism 5 was kept away from to heat-conduction fuse mechanism 9 is connected with the side that the interface 3 of admitting air is close to the gas vent, as shown in fig. 2, the side that the interface 3 of admitting air is close to the direction of admitting air sets up temperature sensing hole 7 in the corresponding position of the junction of interface 3 of admitting air and heat-conduction fuse mechanism 9, and heat-conduction fuse mechanism 9 passes through the temperature sensing hole 7 perception air inlet's temperature, and through such design, heat-conduction fuse mechanism 9 can perceive the temperature of valve block 2 both sides. This embodiment adopts this design.
Meanwhile, one end of the heat conduction fusing mechanism 9, which is far away from the locking executing mechanism 5, can be connected with the valve body 1, and the temperature sensing hole 7 is arranged at the corresponding position of the connection position of the valve body 1 and the heat conduction fusing mechanism 9 on one side of the valve body 1, which is close to the air inlet interface 3.
And the connection mode of the heat conduction fusing mechanism 9 and the air inlet interface 3 or the valve body 1 is fixed connection, so that the heat conduction fusing mechanism 9 is prevented from being separated from the air inlet interface 3 and losing the fusing function.
And a level gauge 6 is arranged at the joint of the end surface of the air inlet interface 3 and the valve body 1 and used for guiding installation.
As a prior art, the locking actuator 5 includes a pressing rod 51 connected to the thermal conduction fusing mechanism 9, a hinge support 52, a locking rod 53 connected to the hinge support, a fixing nut 54 shown in fig. 3, and a disc spring 55.
The utility model discloses an embodiment is:
when no fire occurs, the heat conduction fusing mechanism 9 is connected with the pressure lever 51, the disc spring 55 is in a stretching state, and the locking lever 53 rotates under the impact force of smoke and the action of the hinged support 52;
when an indoor fire occurs, the heat conduction fusing mechanism 9 transmits fire temperature through the temperature sensing hole 7, the tin soldering part between the heat conduction fusing mechanism 9 and the locking actuating mechanism 5 is fused, and the pressure rod 51 enters the clamping groove of the locking rod 53 under the elastic action of the disc spring 55 so as to press the valve plate 2;
when the public exhaust flue catches fire, the heat conduction fusing mechanism 9 senses the temperature directly, the tin soldering position between the heat conduction fusing mechanism 9 and the locking actuating mechanism 5 is fused, and the pressure rod 51 enters the clamping groove of the locking rod 53 under the elastic force action of the disc spring 55 so as to press the valve plate 2.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a flue fire prevention check valve of discharging fume, includes valve body, valve block, the interface that admits air, kuppe, locking actuating mechanism and gas vent, its characterized in that: the locking device also comprises a heat conduction fusing mechanism which can sense the temperature in the air inlet direction and the air outlet direction of the valve body, and the heat conduction fusing mechanism is connected with the locking actuating mechanism in a soldering mode.
2. The smoke exhaust flue fire prevention check valve of claim 1, wherein: and one end of the heat conduction fusing mechanism, which is far away from the locking actuating mechanism, is connected with the side surface of the air inlet interface, which is close to the air outlet.
3. The smoke exhaust flue fire prevention check valve of claim 2, wherein: and a temperature sensing hole is arranged at the corresponding position of the connection part of the air inlet interface and the heat conduction fusing mechanism on the side surface of the air inlet interface close to the air inlet direction.
4. The smoke exhaust flue fire prevention check valve of claim 3, wherein: the heat conduction fusing mechanism is a copper sheet.
5. The smoke exhaust flue fire prevention check valve of claim 3, wherein: the heat conduction fusing mechanism is fixedly connected with the air inlet interface.
6. The smoke exhaust flue fire prevention check valve of claim 1, wherein: and a level gauge is arranged at the joint of the end surface of the air inlet interface and the valve body.
7. The smoke exhaust flue fire prevention check valve of claim 1, wherein: and one end of the heat conduction fusing mechanism, which is far away from the locking actuating mechanism, is fixedly connected with the valve body.
8. The smoke exhaust flue fire prevention check valve of claim 7, wherein: and a temperature sensing hole is arranged at the corresponding position of the joint of the valve body and the heat conduction fusing mechanism on one side of the valve body close to the air inlet interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298702.7U CN210600310U (en) | 2019-08-12 | 2019-08-12 | Fireproof check valve for smoke exhaust passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298702.7U CN210600310U (en) | 2019-08-12 | 2019-08-12 | Fireproof check valve for smoke exhaust passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210600310U true CN210600310U (en) | 2020-05-22 |
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ID=70698262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921298702.7U Active CN210600310U (en) | 2019-08-12 | 2019-08-12 | Fireproof check valve for smoke exhaust passage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210600310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360353A (en) * | 2019-08-12 | 2019-10-22 | 纪呈孟 | A kind of fireproof check valve of draught flue |
-
2019
- 2019-08-12 CN CN201921298702.7U patent/CN210600310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360353A (en) * | 2019-08-12 | 2019-10-22 | 纪呈孟 | A kind of fireproof check valve of draught flue |
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