CN213871145U - High-temperature fire-proof valve capable of being automatically unlocked at high temperature - Google Patents

Abstract

The utility model discloses a high temperature fire prevention valve of automatic unblock of high temperature, including fire prevention valve main part, singlechip, motor, triangle fixture block, second recess and toper fixture block, first heat-resisting board is all installed to the inner wall of fire prevention valve main part, and the internally mounted of first heat-resisting board has first heat insulating board, the protecting box is installed on the top of fire prevention valve main part, and the inner wall of protecting box installs the second heat-resisting board, the second heat insulating board is installed to the inner wall of second heat-resisting board, and the singlechip is installed on the inside top of second heat insulating board, the internally mounted of protecting box has the motor, and the output of motor installs first pivot and the second pivot of running through the inside of fire prevention valve main part respectively through the shaft coupling, first closing plate and second closing plate are installed respectively to the outer wall of first pivot and second pivot. This high temperature fire prevention valve of automatic unblock of high temperature through the design of magnetic stripe, is convenient for make the sealed effect of fire prevention valve main part better.

Description

High-temperature fire-proof valve capable of being automatically unlocked at high temperature

Technical Field

The utility model relates to a fire prevention valve technical field specifically is a high temperature fire prevention valve of automatic unblock of high temperature.

Background

Along with the development of society, the progress of science and technology, when some factory building constructions, all can install the high temperature fire prevention valve, the high temperature fire prevention valve is a normal close type valve, and its effect is: when the temperature of the flue gas reaches 280 ℃, people are basically evacuated, the flue gas discharge has no practical significance, the flue gas is burnt, the valve is automatically closed, the fire is prevented from spreading, the traditional high-temperature fire-proof valve with the high-temperature automatic unlocking function can basically meet the use requirements of people, but certain problems still exist, and the specific problems are as follows:

1. in most high-temperature automatic unlocking high-temperature fire valves in the current market, the strength of exposed steel structural members at high temperature can be rapidly reduced, plastic deformation occurs, and local damage is generated, so that the high-temperature fire valves are damaged;

2. most high-temperature fire valves capable of being automatically unlocked at high temperature in the market at present have poor sealing performance, and easily cause flame or smoke to leak from the fire valves.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature fire prevention valve of automatic unblock of high temperature to the exposed steel structural member intensity can reduce rapidly under the high temperature that proposes in solving above-mentioned background art, plastic deformation appears, produces local destruction and sealing performance relatively poor, causes the problem of flame or flue gas leakage from the fire prevention valve easily.

In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature fire damper capable of being automatically unlocked at high temperature comprises a fire damper main body, a single chip microcomputer, a motor, a triangular clamping block, a second groove and a conical clamping block, wherein a first heat-resistant plate is arranged on the inner wall of the fire damper main body, a first heat-insulating plate is arranged inside the first heat-resistant plate, a protective box is arranged at the top end of the fire damper main body, a second heat-resistant plate is arranged on the inner wall of the protective box, a second heat-insulating plate is arranged on the inner wall of the second heat-resistant plate, the single chip microcomputer is arranged at the top end inside the second heat-insulating plate, the motor is arranged inside the protective box, a first rotating shaft and a second rotating shaft which penetrate through the interior of the fire damper main body are respectively arranged at the output end of the motor through a coupler, a first sealing plate and a second sealing plate are respectively arranged on the outer walls of the first rotating shaft and the second rotating shaft, a first, and a first spring is installed at one end of the inside of the first groove, a trapezoidal fixture block is installed at one end of the inside of the second groove, a slide rail is installed on the side wall of one end of the inside of the second groove, a slide block is arranged inside the slide rail, and a temperature sensor is installed at the top end of the inside of the first heat insulation plate.

Preferably, the outer walls of the first rotating shaft and the second rotating shaft are both provided with driving wheels, and belt pulleys are arranged inside the driving wheels.

Preferably, the magnetic stripe is all installed to the one end that first closing plate and second closing plate are close to each other, and two sets of magnetic stripes adsorb each other.

Preferably, the mounting panel is installed to the one end of first spring, and the one end that the first spring was kept away from to the mounting panel installs the triangle fixture block.

Preferably, the one end that the slide rail was kept away from to the slider is installed the toper fixture block, and the internally mounted of toper fixture block has the connecting rod that runs through the inside of toper fixture block.

Preferably, the outer wall of connecting rod is provided with the second spring, and the top and the bottom of second spring are connected with the lateral wall of trapezoidal fixture block and the inside bottom of second recess respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the fireproof valve main body and the protection box are prevented from being plastically deformed to generate local damage when being subjected to high temperature by being made of tungsten steel, and meanwhile, the fireproof valve main body and the protection box can isolate most of external heat by being made of perlite plates through the first heat-resistant plate and the second heat-resistant plate, so that the fireproof valve main body and the internal elements of the protection box are prevented from being damaged;

2. meanwhile, the device is provided with a motor, a first rotating shaft, a second rotating shaft, a driving wheel, a belt pulley, a first sealing plate, a second sealing plate and a magnetic strip, the first rotating shaft is driven to rotate by starting the motor, and the first rotating shaft and the second rotating shaft can be driven to rotate simultaneously by the motor when the motor is started through the mutual matching of the driving wheel and the belt pulley, so that the first rotating shaft and the second rotating shaft can drive the first sealing plate and the second sealing plate to seal the fire-proof valve main body conveniently, and meanwhile, the sealing effect of the fire-proof valve main body is better due to the design of the magnetic strip;

3. the device is through installing first recess simultaneously, first spring, the mounting panel, the triangle fixture block, the second recess, trapezoidal fixture block, a slide rail, slider and second spring, make the triangle fixture block take place to deform through first spring, be convenient for make the triangle fixture block can reciprocate and control the removal, and through the triangle fixture block respectively with trapezoidal fixture block and toper fixture block looks block with, be convenient for make first closing plate and second closing plate block each other block with, and mutually support through slider and slide rail, and the toper fixture block passes through the second spring and constitutes reciprocating motion structure at the outer wall of connecting rod, be convenient for make the toper fixture block move through the extrusion of triangle fixture block, thereby make the one end that trapezoidal fixture block was kept away from at the toper fixture block to the triangle fixture block, thereby be convenient for operating personnel opens first closing plate and second closing plate.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

FIG. 2 is a schematic view of the opening structure of the first and second sealing plates of the present invention;

FIG. 3 is a schematic view of the connection structure of the first sealing plate and the second sealing plate of the present invention;

fig. 4 is a schematic view of the structure of the present invention.

In the figure: 1. a fire damper main body; 2. a first heat-resistant plate; 3. a first heat insulation plate; 4. a protective box; 5. a second heat-resistant plate; 6. a second heat insulation plate; 7. a single chip microcomputer; 8. a motor; 9. a first rotating shaft; 10. a second rotating shaft; 11. a driving wheel; 12. a belt pulley; 13. a first sealing plate; 14. a second sealing plate; 15. a magnetic strip; 16. a first groove; 17. a first spring; 18. mounting a plate; 19. a triangular clamping block; 20. a second groove; 21. a trapezoidal fixture block; 22. a slide rail; 23. a slider; 24. a conical fixture block; 25. a connecting rod; 26. a second spring; 27. a temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a high-temperature fire damper capable of automatically unlocking at high temperature comprises a fire damper main body 1, a single chip microcomputer 7, a motor 8, a triangular clamping block 19, a second groove 20 and a conical clamping block 24, wherein a first heat-resistant plate 2 is mounted on the inner wall of the fire damper main body 1, a first heat-insulating plate 3 is mounted inside the first heat-resistant plate 2, a protection box 4 is mounted at the top end of the fire damper main body 1, a second heat-resistant plate 5 is mounted on the inner wall of the protection box 4, a second heat-insulating plate 6 is mounted on the inner wall of the second heat-resistant plate 5, the single chip microcomputer 7 is mounted at the top end inside the second heat-insulating plate 6, the motor 8 is mounted inside the protection box 4, the type of the motor 8 can be 57HS22, and a first rotating shaft 9 and a second rotating shaft 10 penetrating through the interior of the fire damper main body 1 are respectively mounted at the output end of the motor 8 through a coupler;

the outer walls of the first rotating shaft 9 and the second rotating shaft 10 are both provided with a driving wheel 11, a belt pulley 12 is arranged inside the driving wheel 11, and the driving wheel 11 and the belt pulley 12 are matched with each other, so that the motor 8 can drive the first rotating shaft 9 and the second rotating shaft 10 to rotate simultaneously when being started;

a first sealing plate 13 and a second sealing plate 14 are respectively arranged on the outer walls of the first rotating shaft 9 and the second rotating shaft 10;

the magnetic stripes 15 are arranged at the ends, close to each other, of the first sealing plate 13 and the second sealing plate 14, the two groups of magnetic stripes 15 are mutually adsorbed, and the first sealing plate 13 and the second sealing plate 14 can be mutually adsorbed through the design of the magnetic stripes 15, so that the sealing effect of the fire damper main body 1 is better;

a first groove 16 and a second groove 20 are respectively formed in the side walls of the first sealing plate 13 and the second sealing plate 14 close to one end, and a first spring 17 is mounted at one end in the first groove 16;

one end of the first spring 17 is provided with an installation plate 18, one end of the installation plate 18, which is far away from the first spring 17, is provided with a triangular clamping block 19, and the triangular clamping block 19 is clamped between the trapezoidal clamping block 21 and the conical clamping block 24, so that the sealing performance of the first sealing plate 13 and the second sealing plate 14 is better;

a trapezoidal fixture block 21 is mounted at one end inside the second groove 20, a slide rail 22 is mounted on the side wall of one end inside the second groove 20, and a slide block 23 is arranged inside the slide rail 22;

a tapered fixture block 24 is mounted at one end of the slider 23 far away from the slide rail 22, a connecting rod 25 penetrating through the tapered fixture block 24 is mounted inside the tapered fixture block 24, and the tapered fixture block 24 is driven by the tapered fixture block 24 to reciprocate inside the slide rail 22, so that the tapered fixture block 24 can move on the outer wall of the connecting rod 25;

a second spring 26 is arranged on the outer wall of the connecting rod 25, the top end and the bottom end of the second spring 26 are respectively connected with the trapezoidal fixture block 21 and the side wall of the bottom end in the second groove 20, and the second spring 26 is extruded to deform through the movement of the conical fixture block 24, so that the conical fixture block 24 can reciprocate through the second spring 26;

a temperature sensor 27 is mounted on the top end inside the first insulating board 3.

The working principle is as follows: when the high-temperature fire damper capable of automatically unlocking at high temperature is used, firstly, the temperature is checked through the temperature sensor 27, after the temperature reaches a set value, the motor 8 is started through the singlechip 7, and the driving wheel 11 and the belt pulley 12 are matched with each other, so that the motor 8 can drive the first rotating shaft 9 and the second rotating shaft 10 to simultaneously rotate when being started, the first rotating shaft 9 and the second rotating shaft 10 can drive the first sealing plate 13 and the second sealing plate 14 to seal the fire damper main body 1 conveniently, meanwhile, through the design of the magnetic strip 15, the first sealing plate 13 and the second sealing plate 14 can be mutually adsorbed, so that the sealing effect of the fire damper main body 1 is better, meanwhile, when the first sealing plate 13 and the second sealing plate 14 are sealed, the trapezoidal clamping block 21 is extruded through the triangular clamping block 19, and when the triangular clamping block 19 is subjected to extrusion force, the triangular clamping block 19 drives the mounting plate 18 to extrude the first spring 17 to deform, the triangular clamping block 19 can move left and right in a reciprocating way through the first spring 17, so that the triangular clamping block 19 is conveniently clamped between the trapezoidal clamping block 21 and the conical clamping block 24, thereby facilitating better sealing performance of the first sealing plate 13 and the second sealing plate 14, causing flame or smoke to leak from the fire damper main body 1, when the sealing device needs to be opened, the triangular clamping block 19 presses the conical clamping block 24 by continuously rotating the first sealing plate 13, and the tapered latch 24 is pressed and the triangular latch 19 can move to one end of the tapered latch 24 far away from the trapezoidal latch 21 through the mutual matching of the slide rail 22 and the slide block 23, then, the triangular clamping block 19 extrudes the conical clamping block 24 and the trapezoidal clamping block 21 by reversely rotating the first sealing plate 13, so that the triangular clamping block 19 is not clamped between the trapezoidal clamping block 21 and the conical clamping block 24, and the first sealing plate 13 and the second sealing plate 14 are opened conveniently;

simultaneously through first heat-resisting board 2 and protective housing 4 for the wolfram steel, make the wolfram steel also keep unchangeable basically under 500 ℃ of temperature, still have very high hardness when 1000 ℃, plastic deformation appears when avoiding fire prevention valve main part 1 and protective housing 4 to receive high temperature, produce local destruction, simultaneously through first heat insulating board 3 and second heat-resisting board 5 for the perlite board, make fire prevention valve main part 1 and protective housing 4 can completely cut off outside most heat, thereby avoid the internal component of fire prevention valve main part 1 and protective housing 4 to take place to damage, do above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a high temperature fire prevention valve of automatic unblock of high temperature, includes fire prevention valve main part (1), singlechip (7), motor (8), triangle fixture block (19), second recess (20) and toper fixture block (24), its characterized in that: first heat-resisting board (2) are all installed to the inner wall of fire prevention valve main part (1), and the internally mounted of first heat-resisting board (2) has first heat insulating board (3), protective housing (4) are installed on the top of fire prevention valve main part (1), and second heat-resisting board (5) are installed to the inner wall of protective housing (4), second heat insulating board (6) are installed to the inner wall of second heat-resisting board (5), and singlechip (7) are installed on the inside top of second heat insulating board (6), the internally mounted of protective housing (4) has motor (8), and the output of motor (8) installs first pivot (9) and second pivot (10) that run through fire prevention valve main part (1) inside respectively through the shaft coupling, first closing plate (13) and second closing plate (14) are installed respectively to the outer wall of first pivot (9) and second pivot (10), the inside that first closing plate (13) and second closing plate (14) are close to one end lateral wall each other opens respectively Be equipped with first recess (16) and second recess (20), and first spring (17) are installed to the one end of the inside of first recess (16), trapezoidal fixture block (21) are installed to the inside one end of second recess (20), slide rail (22) are installed to the lateral wall of the inside one end of second recess (20), and the inside of slide rail (22) is provided with slider (23), temperature sensor (27) are installed on the inside top of first heat insulating board (3).

2. The high-temperature fire damper capable of being unlocked automatically at high temperature according to claim 1, wherein: the outer walls of the first rotating shaft (9) and the second rotating shaft (10) are both provided with a driving wheel (11), and a belt pulley (12) is arranged inside the driving wheel (11).

3. The high-temperature fire damper capable of being unlocked automatically at high temperature according to claim 1, wherein: magnetic stripes (15) are installed at one ends, close to each other, of the first sealing plate (13) and the second sealing plate (14), and the two groups of magnetic stripes (15) are mutually adsorbed.

4. The high-temperature fire damper capable of being unlocked automatically at high temperature according to claim 1, wherein: mounting panel (18) are installed to the one end of first spring (17), and triangular fixture block (19) are installed to the one end that first spring (17) were kept away from in mounting panel (18).

5. The high-temperature fire damper capable of being unlocked automatically at high temperature according to claim 1, wherein: one end, far away from the sliding rail (22), of the sliding block (23) is provided with a conical clamping block (24), and a connecting rod (25) penetrating through the conical clamping block (24) is installed inside the conical clamping block (24).

6. The high-temperature fire damper capable of being unlocked automatically at high temperature according to claim 5, wherein: the outer wall of connecting rod (25) is provided with second spring (26), and the top and the bottom of second spring (26) are connected with the lateral wall of trapezoidal fixture block (21) and the inside bottom of second recess (20) respectively.

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