CN213808907U

CN213808907U - Fire prevention valve that leakproofness is good

Info

Publication number: CN213808907U
Application number: CN202022290655.0U
Authority: CN
Inventors: 彭文健
Original assignee: Wuhan Hanwei Liyuan Cooling And Heating Equipment Co ltd
Current assignee: Wuhan Hanwei Liyuan Cooling And Heating Equipment Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-27
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a fire prevention valve that leakproofness is good, including the fire prevention valve body, the fire prevention valve body includes valve body and valve block, the valve block is provided with two sets ofly, the equal fixed mounting in the inside both sides of valve body has first blend stop, and is two sets of first blend stop one side all laminates with valve block one side, the inside one side fixed mounting of valve body has the second blend stop, and is two sets of valve block one side all laminates with second blend stop one side, valve body top one side fixed mounting has the fixed column, the fixed column is provided with two sets ofly, and is two sets of fixed column bottom one side is all seted up flutedly, and is two sets of the inboard equal slidable mounting of recess has the dead lever, and is two sets of all be provided with the spring between dead lever and the fixed column. The utility model discloses an at the structural increase seal structure of traditional fire prevention valve, make the fire prevention valve sealed effect when the closure better, the gap can not appear easily at the closed position when meetting the air current moreover.

Description

Fire prevention valve that leakproofness is good

Technical Field

The utility model relates to a fire prevention valve technical field specifically is a fire prevention valve that leakproofness is good.

Background

The fire-proof valve is a normally closed valve, which is opened by a control center through 24V direct current or manually opened, and is automatically closed at 280 ℃ and manually reset. It has the following functions: when the temperature of the flue gas reaches 280 ℃, people are basically evacuated, the actual meaning of the flue gas discharge is not realized, and the valve is automatically closed when the fire is brought in the flue gas, so that the fire is prevented from spreading. The smoke exhaust port of the system can also be a normally closed fireproof smoke exhaust port, and a smoke exhaust fireproof valve on a branch pipe is omitted. In case of fire, the tuyere is opened by a control center through 24V direct current or manually opened, and is automatically closed when the smoke temperature reaches 280 ℃, and the reset is also manually performed. The inlet of the smoke exhaust fan room is also provided with a smoke exhaust fire prevention valve to prevent fire from spreading to the layer where the fan room is located. The fire damper can be divided into: smoke exhaust valve, smoke exhaust fire valve, fire prevention governing valve, smoke prevention fire prevention governing valve etc. multiple structure.

The existing fire-proof valves are poor in sealing effect when closed, and gaps are easy to appear at the closed parts when air flows are met. Therefore, a fire-proof valve with good sealing performance is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire prevention valve that leakproofness is good, through the structural increase seal structure at traditional fire prevention valve, make the fire prevention valve sealed effect when closing better, the gap can not appear easily at the closed position when meetting the air current moreover to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a fire-proof valve with good sealing performance comprises a fire-proof valve body, wherein the fire-proof valve body comprises a valve body and valve plates, the valve plates are provided with two groups, first baffle strips are fixedly arranged on two sides inside the valve body, one sides of the two groups of first baffle strips are attached to one side of the valve plates, a second baffle strip is fixedly arranged on one side inside the valve body, one sides of the two groups of valve plates are attached to one side of the second baffle strip, fixed columns are fixedly arranged on one side of the top of the valve body, the two groups of fixed columns are provided with two groups, grooves are formed in one sides of the bottoms of the two groups of fixed columns, fixed rods are slidably arranged on the inner sides of the two groups of grooves, one ends of the two groups of fixed rods penetrate through the valve body and extend to the inner side of the valve body, springs are arranged between the two groups of fixed rods and the fixed columns, one ends of the two groups of fixed rods are both arranged into arc structures, and the other ends of the two groups of fixed rods are fixedly connected with connecting rods, one end of each of the two groups of connecting rods penetrates through the fixing column and is provided with a pull rod.

Preferably, a first notch is formed in one side of the second stop strip, the first notch is provided with two groups, the first notch is arranged to be of an L-shaped structure, and the valve plate is attached to the inner side of the first notch on one side of the valve plate.

Preferably, one side of the top of the valve body is provided with two groups of sliding holes, and the two groups of fixing rods are inserted into the inner sides of the sliding holes in a sliding manner.

Preferably, the sliding groove is formed in one side of the side wall of the groove, the sliding block is fixedly mounted at one end of the fixing rod, the sliding grooves and the sliding blocks are both provided with two groups, and the sliding blocks are all slidably mounted on the inner side of the sliding groove.

Preferably, two sets of second notch has all been seted up to valve block one side, and is two sets of the second notch all sets up to L type structure, and is two sets of first blend stop one side all laminates with the second notch is inboard.

Preferably, through holes are formed in one sides of the tops of the two groups of fixing columns, and one ends of the two groups of connecting rods penetrate through the through holes.

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

1. the utility model discloses an at the structural seal structure that increases of traditional fire prevention valve, when the fire prevention valve body was closed, through first blend stop and second blend stop increase leakproofness, make the fire prevention valve sealed effect when closing better.

2. The valve plate is blocked by the fixing rod, so that gaps cannot easily appear at the closed part when the fire damper body meets air flow.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the fixing column of the present invention;

fig. 3 is a schematic view of the structure of the valve plate in a plan view.

In the figure: 1. a fire damper body; 2. a valve body; 3. a valve plate; 4. a first barrier strip; 5. a second barrier strip; 6. fixing a column; 7. a groove; 8. fixing the rod; 9. a spring; 10. a connecting rod; 11. a pull rod; 12. a first notch; 13. a slide hole; 14. a chute; 15. a slider; 16. a second notch; 17. and a through hole.

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. 1-3, the present invention provides a technical solution:

the fireproof valve with good sealing performance comprises a fireproof valve body 1, wherein the fireproof valve body 1 comprises a valve body 2 and valve plates 3, two groups of valve plates 3 are arranged, first barrier strips 4 are fixedly arranged on two sides inside the valve body 2, one sides of the two groups of first barrier strips 4 are attached to one sides of the valve plates 3, second barrier strips 5 are fixedly arranged on one sides inside the valve body 2, the first barrier strips 4 and the second barrier strips 5 are matched for use, so that the sealing performance of the fireproof valve body 1 is better when the fireproof valve body 1 is closed, one sides of the two groups of valve plates 3 are attached to one sides of the second barrier strips 5, fixed columns 6 are fixedly arranged on one sides of the top of the valve body 2, two groups of fixed columns 6 are arranged, grooves 7 are respectively formed in one sides of the bottoms of the two groups of fixed columns 6, the fixed columns 6 and the grooves 7 are matched for use, so that fixed rods 8 are slidably arranged inside the two groups of grooves 7, the fixed rods 8 are used for blocking the valve plates 3, so that gaps can not easily appear at the closed parts when the valve plates 3 meet airflow, two sets of 8 one ends of dead lever pass valve body 2 and extend to the valve body 2 inboard, all are provided with spring 9 between two sets of dead lever 8 and the fixed column 6, and spring 9 can make dead lever 8 automatic re-setting, and two sets of 8 one ends of dead lever all set up to the arc structure, and two sets of 8 other ends of dead lever all fixedly connected with connecting rods 10, and connecting rod 10 is used for installing pull rod 11, and two sets of 10 one ends of connecting rod all pass fixed column 6 and install pull rod 11 jointly, and pull rod 11 is used for spurting dead lever 8 when opening fire prevention valve body 1.

First notch 12 has been seted up to second stop bar 5 one side, and first notch 12 is provided with two sets ofly, and two sets of first notches 12 all set up to L type structure, and two sets of valve block 3 one sides all laminate with first notch 12 inboard, and first notch 12 is convenient for valve block 3 one side and 5 one side laminates of second stop bar.

Slide holes 13 are formed in one side of the top of the valve body 2, two groups of slide holes 13 are formed in the slide holes 13, the two groups of fixing rods 8 are inserted into the inner sides of the slide holes 13 in a sliding mode, and the slide holes 13 facilitate one ends of the fixing rods 8 to penetrate through the valve body 2.

The spout 14 has been seted up to 7 lateral walls of recess one side, and 8 one end fixed mounting of dead lever have slider 15, and spout 14 and slider 15 all are provided with two sets ofly, and two sets of slider 15 equal slidable mounting are inboard in spout 14, and spout 14 and the 15 cooperation of slider use can increase the stability that dead lever 8 removed.

Second notch 16 has all been seted up to two sets of valve blocks 3 one side, and two sets of second notches 16 all set up to L type structure, and two sets of first blend stops 4 one side all with the inboard laminating of second notch 16, the second notch 16 be convenient for valve block 3 one side and the laminating of first blend stop 4 one side.

Through-hole 17 has all been seted up to 6 top one sides of two sets of fixed columns, and inside through-hole 17 was all passed to two sets of connecting rod 10 one ends, the connecting rod 10 one end of being convenient for of through-hole 17 passed.

The utility model discloses a main innovation point lies in at the structural seal structure that increases of fire prevention valve, no longer does specific narration here to the concrete structure of fire prevention valve body 1.

When the fire damper is used specifically, when the fire damper body 1 is closed, the first barrier strip 4 is attached to one side of the valve plate 3, and the second barrier strip 5 is attached to the other side of the valve plate 3, so that the sealing performance of the fire damper body 1 is better when the fire damper body is closed; when the valve plate 3 is closed, the valve plate 3 extrudes one end of the fixed rod 8, and because one end of the fixed rod 8 is of an arc-shaped structure, the fixed rod 8 can move upwards due to the extrusion of the valve plate 3, the fixed rod 8 can move upwards to compress the spring 9, and when the valve plate 3 is completely closed, the fixed rod 8 can return to the original position to block the valve plate 3 under the action of the elastic force of the spring 9, so that a gap can not easily appear at the closed part when the valve plate 3 meets air flow; when the fire damper body 1 needs to be opened, the pull rod 11 is pulled upwards, the pull rod 11 moves to drive the connecting rod 10, so that the fixing rod 8 moves upwards, and when the fixing rod 8 is completely immersed into the sliding hole 13, the fire damper body 1 is opened.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire prevention valve that leakproofness is good, includes fire prevention valve body (1), its characterized in that: the fireproof valve body (1) comprises a valve body (2) and valve plates (3), two groups of valve plates (3) are arranged, first barrier strips (4) are fixedly arranged on two sides inside the valve body (2), one sides of the first barrier strips (4) are attached to one side of the valve plates (3), second barrier strips (5) are fixedly arranged on one side inside the valve body (2), one sides of the valve plates (3) are attached to one side of the second barrier strips (5), fixed columns (6) are fixedly arranged on one side of the top of the valve body (2), two groups of fixed columns (6) are arranged, grooves (7) are formed in one side of the bottoms of the fixed columns (6), fixing rods (8) are slidably arranged on the inner sides of the grooves (7), one ends of the fixing rods (8) penetrate through the valve body (2) and extend to the inner side of the valve body (2), and springs (9) are arranged between the fixing rods (8) and the fixed columns (6), two sets of dead lever (8) one end all sets up to the arc structure, and is two sets of the equal fixedly connected with connecting rod (10) of dead lever (8) other end, two sets of connecting rod (10) one end all passes fixed column (6) and installs pull rod (11) jointly.

2. The fire damper with good sealing performance as claimed in claim 1, wherein: first notch (12) have been seted up to second blend stop (5) one side, first notch (12) are provided with two sets ofly, and are two sets ofly first notch (12) all set up to L type structure, and are two sets ofly valve block (3) one side all laminates with first notch (12) inboard.

3. The fire damper with good sealing performance as claimed in claim 1, wherein: one side of the top of the valve body (2) is provided with two groups of sliding holes (13), and the two groups of fixing rods (8) are inserted into the inner sides of the sliding holes (13) in a sliding mode.

4. The fire damper with good sealing performance as claimed in claim 1, wherein: the groove fixing device is characterized in that a sliding groove (14) is formed in one side of the side wall of the groove (7), a sliding block (15) is fixedly mounted at one end of the fixing rod (8), the sliding groove (14) and the sliding block (15) are both provided with two groups, and the sliding blocks (15) are both slidably mounted on the inner side of the sliding groove (14).

5. The fire damper with good sealing performance as claimed in claim 1, wherein: two sets of second notch (16) have all been seted up to valve block (3) one side, and are two sets of second notch (16) all set up to L type structure, and are two sets of first blend stop (4) one side all laminates with second notch (16) inboard.

6. The fire damper with good sealing performance as claimed in claim 1, wherein: through holes (17) are formed in one sides of the tops of the two groups of fixing columns (6), and one ends of the two groups of connecting rods (10) penetrate through the through holes (17).