CN217207935U

CN217207935U - Fire prevention valve with adjustable

Info

Publication number: CN217207935U
Application number: CN202123418754.3U
Authority: CN
Inventors: 沈建民; 沈杰; 皮艳芳; 陈银
Original assignee: Jingjiang Hefa Air Conditioning Purification Equipment Factory
Current assignee: Jingjiang Hefa Air Conditioning Purification Equipment Factory
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-16
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an adjustable fire damper, which relates to the field of fire dampers, and adopts the technical scheme that the adjustable fire damper comprises a valve body and a fire damper closing mechanism, wherein the fire damper closing mechanism comprises a fire damper sensing component and a blocking leaf, a positioning groove is arranged outside the valve body, a buffer cylinder is arranged inside the positioning groove, a buffer driving mechanism is connected inside the buffer cylinder in a sliding manner, and a fire damper is symmetrically arranged outside the valve body; the fixed block is installed to the outside symmetry of valve body, the locking groove has been seted up to the outside of fixed block, the inside sliding connection who locks the groove has adjustment mechanism, the externally mounted of fixed block has the sleeve, telescopic inside sliding connection has the gag lever post, the piston plate receives pressure downstream during the use, thereby extrude the inside of a fire-retardant section of thick bamboo with the inside gas of buffer cylinder, the inside atmospheric pressure of a fire-retardant section of thick bamboo increases, thereby make the drive plate outwards spray the inside fire-retardant liquid of a fire-retardant section of thick bamboo, reduce the burning that the separation leaf received, and then realize the protection to the separation leaf, holistic life has been guaranteed.

Description

Adjustable fire-proof valve

Technical Field

The utility model relates to a fire prevention valve technical field especially relates to a fire prevention valve with adjustable.

Background

The fire prevention valve is a temperature control of memory molten alloy, utilizes the valve form of gravity action and spring mechanism's effect closure, also has in the novel product to produce deformation with memory alloy and makes the valve close, and during operation, the fire prevention valve is used for flowing backward to the fire prevention, slows down the trend of spreading of conflagration, has reduced the loss, has increased the rescue probability.

The fire damper can cut off hot air flow in the process of instant closing, the pressure generated by the air flow can impact the blocking leaves, meanwhile, the blocking of the external hot air flow for a long time can damage the blocking leaves, and the installation position of the fire damper is difficult to adjust, so that an adjustable fire damper is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the pressure of the production of air current can cause the impact to the separation leaf when having the wall among the prior art, long-time blocking outside hot air current also can cause the shortcoming of damage to the separation leaf simultaneously, and the fire damper with adjustable provide.

In order to realize the purpose, the utility model adopts the following technical scheme:

an adjustable fire valve comprises a valve body and a fire-proof closing mechanism, wherein the fire-proof closing mechanism comprises a fire-proof sensing assembly and a blocking blade, a positioning groove is formed in the outer portion of the valve body, a buffer cylinder is installed inside the positioning groove, a buffer driving mechanism is connected inside the buffer cylinder in a sliding mode, and a flame-retardant cylinder is symmetrically installed on the outer portion of the valve body;

the fixed block is installed to the outside symmetry of valve body, the locking groove has been seted up to the outside of fixed block, the inside sliding connection who locks the groove has adjustment mechanism, the externally mounted of fixed block has the sleeve, telescopic inside sliding connection has the gag lever post.

The above technical solution further comprises:

the fire prevention response subassembly is installed the outside of valve body, the separation leaf sets up the inside of valve body.

The buffer driving mechanism comprises a piston plate which is connected inside the buffer cylinder in a sliding mode, a pressure spring is mounted outside the piston plate, and one end, far away from the piston plate, of the pressure spring is connected with the inside of the buffer cylinder.

The inside sliding connection of fire-retardant section of thick bamboo has the drive plate, fire-retardant section of thick bamboo with the inside of valve body is linked together, the externally mounted of fire-retardant section of thick bamboo has the connecting pipe, the connecting pipe is kept away from the one end of fire-retardant section of thick bamboo with the inside of buffer cylinder is linked together.

Adjustment mechanism includes sliding connection and is in lock inside the regulating plate of groove, a plurality of spacing grooves have been seted up to the outside of regulating plate, the gag lever post with the inside in spacing groove is pressed close to mutually.

The piston plate is close to the inside of the buffer cylinder, the drive plate is close to the inside of the flame-retardant cylinder, and flame-retardant liquid is arranged inside the flame-retardant cylinder.

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

1. the utility model discloses in, after the inside memory metal of the too high messenger of outside temperature melts of fire prevention response subassembly, the separation leaf rotates in the twinkling of an eye and realizes the closure to the valve body, and when the separation leaf was closed, the inside air current of pipeline can produce huge impact force, and the inside pressure of valve body increases in the twinkling of an eye, and pressure makes the piston plate move down, thereby the piston plate realizes alleviating valve body internal pressure at the in-process of removing downwards to the realization is to the protection of separation leaf.

2. The utility model discloses in, the piston board receives pressure downstream during the use to extrude the inside of a fire-retardant section of thick bamboo with the inside gas of buffer cylinder, the inside atmospheric pressure of a fire-retardant section of thick bamboo increases, thereby makes the drive plate outwards spray the inside fire-retardant liquid of a fire-retardant section of thick bamboo, reduces the burning that the separation leaf received, and then realizes having guaranteed holistic life to the protection of separation leaf.

3. The utility model discloses in, during the use, use through the cooperation of spacing groove, sleeve and gag lever post among the adjustment mechanism to can adjust the position of regulating plate, and then adjust the erection bracing position of valve body, greatly increased the regulation performance of device.

Drawings

Fig. 1 is a schematic view of a first three-dimensional structure of an adjustable fire damper of the present invention;

fig. 2 is a schematic view of a second three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

fig. 5 is an enlarged schematic view of the structure at B in fig. 3.

In the figure: 1. a valve body; 2. a fire protection sensing assembly; 3. separating leaves; 4. a buffer cylinder; 5. positioning a groove; 6. a connecting pipe; 7. a fixed block; 8. an adjusting plate; 9. a flame retardant cartridge; 10. a pressure spring; 11. a piston plate; 12. a drive plate; 13. a locking groove; 14. a limiting groove; 15. a sleeve; 16. a limiting rod.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-5, the utility model provides an adjustable fire damper, which comprises a valve body 1 and a fire-proof closing mechanism, wherein the fire-proof closing mechanism comprises a fire-proof sensing component 2 and a blocking leaf 3, a positioning groove 5 is arranged outside the valve body 1, a buffer cylinder 4 is arranged inside the positioning groove 5, a buffer driving mechanism is connected inside the buffer cylinder 4 in a sliding manner, and a fire-retardant cylinder 9 is symmetrically arranged outside the valve body 1;

the fireproof sensing component 2 is arranged outside the valve body 1, the blocking blade 3 is arranged inside the valve body 1, the buffering driving mechanism comprises a piston plate 11 which is connected inside the buffering cylinder 4 in a sliding mode, a pressure spring 10 is arranged outside the piston plate 11, and one end, far away from the piston plate 11, of the pressure spring 10 is connected with the inside of the buffering cylinder 4;

a driving plate 12 is connected inside the flame-retardant cylinder 9 in a sliding manner, the flame-retardant cylinder 9 is communicated with the inside of the valve body 1, a connecting pipe 6 is installed outside the flame-retardant cylinder 9, and one end, far away from the flame-retardant cylinder 9, of the connecting pipe 6 is communicated with the inside of the buffer cylinder 4;

the piston plate 11 is close to the inside of the buffer cylinder 4, the driving plate 12 is close to the inside of the flame-retardant cylinder 9, and flame-retardant liquid is arranged inside the flame-retardant cylinder 9.

An adjustable fire damper based on the first embodiment has the working principle that when hot air flow passes through a pipeline and the temperature of the air flow exceeds 280 ℃, a memory metal in a fire-proof sensing component 2 is fused, so that a blocking blade 3 starts to rotate, and the valve body 1 is closed (the fire-proof sensing component 2 and the blocking blade 3 are the prior art, which is common knowledge and is not described herein in detail);

when the separation blades 3 are closed, airflow in the pipeline can generate huge impact force, the pressure in the valve body 1 is instantly increased, the piston plate 11 moves downwards due to the pressure, and the pressure in the valve body 1 is relieved in the downward movement process of the piston plate 11, so that the separation blades 3 are protected;

piston plate 11 receives pressure downstream to extrude the inside of a fire-retardant section of thick bamboo 9 with the inside gas of buffer cylinder 4 through connecting pipe 6, the inside atmospheric pressure increase of a fire-retardant section of thick bamboo 9 for drive plate 12 outwards sprays the inside fire-retardant liquid of a fire-retardant section of thick bamboo 9, and fire-retardant liquid reduces the burning that separation leaf 3 received, and then realizes the protection to separation leaf 3, has guaranteed holistic life.

Example two

As shown in fig. 1 to 5, based on the first embodiment, the fixed block 7 is symmetrically installed on the outside of the valve body 1, the locking groove 13 is formed on the outside of the fixed block 7, the adjusting mechanism is slidably connected to the inside of the locking groove 13, the sleeve 15 is installed on the outside of the fixed block 7, and the limiting rod 16 is slidably connected to the inside of the sleeve 15;

adjustment mechanism includes sliding connection at the inside regulating plate 8 in locking groove 13, and a plurality of spacing grooves 14 have been seted up to regulating plate 8's outside, and gag lever post 16 is close to with the inside of spacing groove 14 mutually.

In this embodiment, the during operation, through upwards pulling gag lever post 16 for spacing groove 14 loses the limiting displacement to gag lever post 16, then outwards adjusts adjusting plate 8's position again, after adjusting suitable position when adjusting plate 8, unclamps gag lever post 16, inside that gag lever post 16 slided into spacing groove 14, thereby realize the locking to adjusting plate 8, just can realize the support and the fixing to whole device through adjusting plate 8 this moment, has promoted the regulation nature of device installation greatly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An adjustable fire valve comprises a valve body (1) and a fire-proof closing mechanism, and is characterized in that the fire-proof closing mechanism comprises a fire-proof sensing assembly (2) and a blocking blade (3), a positioning groove (5) is formed in the outer portion of the valve body (1), a buffer cylinder (4) is installed inside the positioning groove (5), a buffer driving mechanism is connected inside the buffer cylinder (4) in a sliding mode, and flame-retardant cylinders (9) are symmetrically installed on the outer portion of the valve body (1);

fixed block (7) are installed to the outside symmetry of valve body (1), locking groove (13) have been seted up to the outside of fixed block (7), the inside sliding connection who locks groove (13) has adjustment mechanism, the externally mounted of fixed block (7) has sleeve (15), the inside sliding connection of sleeve (15) has gag lever post (16).

2. An adjustable fire damper as claimed in claim 1, characterised in that the fire-sensing assembly (2) is mounted outside the valve body (1) and the blocking vane (3) is arranged inside the valve body (1).

3. An adjustable fire damper as claimed in claim 1, wherein the damping driving mechanism comprises a piston plate (11) slidably connected to the inside of the damping cylinder (4), a pressure spring (10) is mounted on the outside of the piston plate (11), and one end of the pressure spring (10) far from the piston plate (11) is connected to the inside of the damping cylinder (4).

4. The adjustable fire damper as claimed in claim 3, wherein a driving plate (12) is slidably connected to the inside of the flame-retardant barrel (9), the flame-retardant barrel (9) is communicated with the inside of the valve body (1), a connecting pipe (6) is installed outside the flame-retardant barrel (9), and one end of the connecting pipe (6) far away from the flame-retardant barrel (9) is communicated with the inside of the buffer barrel (4).

5. An adjustable fire damper as claimed in claim 1, wherein the adjustment mechanism comprises an adjustment plate (8) slidably connected inside the locking groove (13), the adjustment plate (8) has a plurality of limiting grooves (14) formed on an outer portion thereof, and the limiting rod (16) is adjacent to an inner portion of the limiting grooves (14).

6. An adjustable fire damper as claimed in claim 4, characterised in that said piston plate (11) is adjacent to the interior of said surge drum (4), said drive plate (12) is adjacent to the interior of said flame retardant drum (9), and said flame retardant drum (9) is provided with a flame retardant liquid therein.