CN213589600U

CN213589600U - Fire-proof valve with stable fire-proof performance

Info

Publication number: CN213589600U
Application number: CN202022586486.5U
Authority: CN
Inventors: 李海涛; 刘帆; 李欢迎
Original assignee: Zhejiang Tianqi Ventilation Equipment Co ltd
Current assignee: Zhejiang Tianqi Ventilation Equipment Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-02
Anticipated expiration: 2030-11-10

Abstract

The application relates to a fire-resisting damper with stable fire behavior, including the installing frame, the PLASTIC LAMINATED is installed in vertical sliding in the installing frame, and the installing frame is equipped with locking device, and locking device is used for locking the diapire of PLASTIC LAMINATED at the upside of the interior passageway of installing frame, and the roof of installing frame is worn out to the upper end of PLASTIC LAMINATED, is equipped with first power cord on the locking device, and one of first power cord serves to link there is temperature fuse, and last link of temperature fuse has the second power cord, and the second power cord is connected with the power. When the temperature of an indoor fire is high, the temperature fuse fuses, so that the locking device stops working, the fireproof plate slides downwards to seal the channel in the mounting frame and seal the ventilation pipeline, and indoor high-temperature smoke with the fire is difficult to be discharged from the ventilation pipeline to cause fire spreading; because the fire-proof plate is arranged on the mounting frame in a sliding way, the inner channel of the mounting frame is sealed by the dead weight, and the heat insulation capability of the fire-proof plate is not easy to reduce along with the lapse of time.

Description

Fire-proof valve with stable fire-proof performance

Technical Field

The application relates to the field of fire safety equipment, in particular to a fire damper with stable fire resistance.

Background

In dense areas of mass flow such as superstores, hotels and supermarkets, fire safety problems are considered, fire-proof valves are usually installed on the air inlets and the air outlets of the ventilation pipelines respectively, so that when a fire breaks out, the fire-proof valves can seal the air inlets and the air outlets of the ventilation pipelines, high-temperature smoke in a room where the fire breaks out is not easy to be discharged into other rooms from the ventilation pipelines, and the spreading speed of the fire is slowed down.

The invention discloses a smoke-discharging fire-proof valve with the publication number of CN111486256A, which comprises a shell, a valve body and a valve locking mechanism; the valve body is symmetrically provided with two air ports, and the inner side of the valve body is provided with two air port cover plates which correspond to the air ports and rotate around the central rotating shaft; the air inlet cover plate is driven to close by an air inlet cover plate reset torsion spring; the thermal release lock of the valve locking mechanism is arranged on one side of the valve body close to the room, after the thermal release lock is unlocked in a high-temperature environment, the valve locking torsion spring of the valve locking mechanism drives the valve locking rod to rotate from the middle part to the left side and the right side, and the top of the valve locking rod is screwed to a valve locking point close to the outer edge of the air port cover plate, so that the air port cover plate is locked at the air port.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when daily use, the wind gap apron is the open mode, and the torsional spring is in the torsional mode, and the torsional spring that keeps for a long time in the torsional mode can take place plastic deformation along with the time lapse for the torsional spring is when the drive wind gap apron covers the wind gap, and the wind gap apron can be inseparable enough with the cooperation in wind gap, and then leads to the thermal-insulated effect of wind gap apron to reduce, is unfavorable for the control that spreads the intensity of a fire when taking place the conflagration.

SUMMERY OF THE UTILITY MODEL

In order to solve the wind flap board and probably produce because the torsional spring produces elastic deformation and close not tight problem, the application provides a fire prevention valve that fire behavior is stable.

The application provides a fire prevention valve that fire behavior is stable adopts following technical scheme:

the utility model provides a fire prevention valve that fire behavior is stable, includes the installing frame, vertical sliding install in the installing frame be used for with the inner channel confined PLASTIC LAMINATED of installing frame, the installing frame is provided with locking device, locking device be used for with the diapire locking of PLASTIC LAMINATED is in the inner channel of installing frame is to the upside, wear out the upper end of PLASTIC LAMINATED the roof of installing frame, the last first power cord that is provided with of locking device, first power cord is kept away from locking device serves and is connected with temperature fuse, the last second power cord that is connected with of temperature fuse, the second power cord is connected with the power.

Through adopting above-mentioned technical scheme, when the indoor conflagration that takes place the temperature is higher, temperature fuse can fuse, make locking device lose the electricity and stop work, the PLASTIC LAMINATED glides under the effect of gravity and seals the inner channel of installing frame, and then seals air pipe, make the indoor high temperature flue gas that has taken place the conflagration difficult for leading to the fact the intensity of a fire to stretch from air pipe in discharging, and because the PLASTIC LAMINATED slides and installs on the installing frame, close the inner channel of installing frame by the dead weight, make the thermal-insulated ability of PLASTIC LAMINATED difficult along with the time lapse and reduce.

Optionally, will the back is put down to the PLASTIC LAMINATED, the interior passageway quilt of installing frame the PLASTIC LAMINATED becomes towards indoor and towards two outdoor passageways, locking device includes motor and first baffle, the motor is installed in the installing frame, first baffle horizontal rotation is installed in the installing frame, the motor with first baffle all is located in the installing frame is towards outdoor passageway, first baffle with the motor is connected, will the PLASTIC LAMINATED upwards pulls up the back, starts the motor drives first baffle rotates, first baffle is rotatable to holding the diapire of PLASTIC LAMINATED, first power cord with the motor is connected.

Through adopting above-mentioned technical scheme, the staff pulls up the back with the PLASTIC LAMINATED, and the restart motor drives first baffle and rotates the diapire that holds the PLASTIC LAMINATED, can open the interior passageway of installing frame, and the PLASTIC LAMINATED is difficult for the tenesmus.

Optionally, a stop block is arranged on the side wall of the fireproof plate, and when the first baffle plate supports the bottom wall of the fireproof plate, the stop block abuts against the top wall of the inner channel of the mounting frame.

Through adopting above-mentioned technical scheme, can use great power to drive first baffle when the motor starts and rotate, and then promote the PLASTIC LAMINATED and upwards slide until the dog supports the roof of the inner wall of tight installing frame, further improved the stability of first baffle when holding the PLASTIC LAMINATED for the PLASTIC LAMINATED is difficult for the tenesmus more.

Optionally, the inner wall of the mounting frame is vertically provided with two sliding grooves, and the two vertical sides of the fireproof plate are respectively matched and slidably mounted in the two sliding grooves.

Through adopting above-mentioned technical scheme, the vertical both sides of PLASTIC LAMINATED are arranged in two spouts back respectively, have increased the PLASTIC LAMINATED and have put down the back and the installing frame between the leakproofness, and make the PLASTIC LAMINATED difficult indoor high temperature high-pressure gas promotion by the conflagration that takes place, and then make when cutting off high temperature flue gas, be difficult for appearing the space between the inner channel of PLASTIC LAMINATED and installing frame, stability when having improved the PLASTIC LAMINATED and cut off.

Optionally, be provided with the mounting groove on the inner wall of installing frame, the mounting groove is the level just the both ends of mounting groove respectively with two the lower extreme of spout is connected, works as the PLASTIC LAMINATED will when the inner channel of installing frame seals, the downside cooperation of PLASTIC LAMINATED inlays to be established in the mounting groove.

Through adopting above-mentioned technical scheme, the mounting groove has further increased the PLASTIC LAMINATED and has transferred the back and the leakproofness between the inner wall of installing frame for the inner channel that the high temperature flue gas was difficult for passing the installing frame more overflows from the inner channel of installing frame.

Optionally, a shockproof net made of a high-temperature-resistant material is arranged in the mounting groove, the lower side of the fireproof plate is embedded in the mounting groove in a matching manner, and the bottom wall of the fireproof plate is attached to and tightly abutted against the shockproof net.

Through adopting above-mentioned technical scheme, the lower extreme of PLASTIC LAMINATED when the mounting groove is fallen down, the impact force that the PLASTIC LAMINATED carried can be absorbed by the net that takes precautions against earthquakes for the lower extreme of PLASTIC LAMINATED is difficult for taking place to beat when the mounting groove is fallen down to the PLASTIC LAMINATED, and then makes the partition of PLASTIC LAMINATED to the interior passageway of installing frame comparatively in time, has improved the partition effect of PLASTIC LAMINATED.

Optionally, the groove bottom of the sliding groove is provided with a plurality of rollers in a rotating mode along the length direction of the sliding groove, and the rotating plane of the rollers is parallel to the plane where the fireproof plate is located.

Through adopting above-mentioned technical scheme, be connected through the gyro wheel between the both sides wall of PLASTIC LAMINATED and the tank bottom of two spouts for the PLASTIC LAMINATED is difficult for the card on the tank bottom of spout when gliding, and then has improved the job stabilization nature of PLASTIC LAMINATED.

Optionally, be provided with the second baffle on the roof of PLASTIC LAMINATED, work as the downside cooperation of PLASTIC LAMINATED inlays to be established during in the mounting groove, the laminating of second baffle is supported tightly on the roof of installing frame, still be provided with on the second baffle the locking piece with the installing frame is connected.

Through adopting above-mentioned technical scheme, the PLASTIC LAMINATED separates the interior passageway of installing frame, the laminating of second baffle supports behind the roof of tight installing frame for the opening part that the roof of installing frame was worn out to the difficult follow PLASTIC LAMINATED of high temperature flue gas enters into in the installing frame deviates from indoor one end, has further improved the partition ability of PLASTIC LAMINATED to high temperature along it.

Optionally, the locking piece includes a connecting rod, one end of the connecting rod is connected with the second baffle, the connecting rod is attached to the vertical side wall of the mounting frame, a groove is formed in one face, attached to the mounting frame, of the connecting rod, an elastic bulge is arranged on the vertical side wall of the mounting frame in a matched mode, and the elastic bulge is embedded in the groove in a matched mode.

Through adopting above-mentioned technical scheme, the cooperation of elastic bulge inlays and establishes back in the recess for the PLASTIC LAMINATED is after the inner passage with the installing frame seals, and the lower extreme of PLASTIC LAMINATED is difficult for deviating from the mounting groove.

In summary, the present application includes at least one of the following beneficial effects:

1. when the indoor fire disaster temperature is high, the temperature fuse fuses, so that the locking device loses power and stops working, the fireproof plate slides down under the action of gravity to seal the inner channel of the mounting frame, and further to seal the ventilation pipeline, so that indoor high-temperature smoke generated in the fire disaster is not easy to be discharged from the ventilation pipeline to cause fire spread, and the fireproof plate is slidably mounted on the mounting frame and seals the inner channel of the mounting frame by means of self weight, so that the heat insulation capability of the fireproof plate is not easy to reduce along with the lapse of time;

2. after the vertical two sides of the fireproof plate are respectively positioned in the two sliding grooves, the sealing property between the fireproof plate and the mounting frame after the fireproof plate is put down is improved, and the fireproof plate is not easy to push by indoor high-temperature high-pressure gas in a fire disaster, so that when high-temperature smoke is cut off, a gap is not easy to appear between the fireproof plate and an inner channel of the mounting frame, and the stability of the fireproof plate when the fireproof plate is cut off is improved;

3. the mounting groove has further increased the PLASTIC LAMINATED and has transferred the back and the leakproofness between the inner wall of installing frame for the interior passageway that high temperature flue gas is difficult for passing the installing frame spills over from the interior passageway of installing frame more.

Drawings

Fig. 1 is a schematic perspective view of the present application.

Fig. 2 is a schematic perspective view of the present application, in which the mounting frame is cut away and the ventilation duct is omitted.

Fig. 3 is a schematic cross-sectional view of the present application.

Reference numerals: 1. installing a frame; 11. a fire-proof plate; 111. a stopper; 12. a second baffle; 13. a first power line; 14. a temperature fuse; 15. a second power supply line; 16. a through hole; 2. a locking device; 21. a motor; 22. a first baffle plate; 3. a chute; 31. a roller; 4. mounting grooves; 41. a shock-proof net; 5. a locking member; 51. a connecting rod; 52. a groove; 53. an elastic bulge; 6. a ventilation duct.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses fire prevention valve that fire behavior is stable, refer to fig. 1, including being installing frame 1 on the pipeline of horizontal installation, the appearance of installing frame 1 is the same with air pipe 6, is horizontal cuboid form. A strip-shaped through hole 16 is formed in the top wall of the mounting frame 1, and the length direction of the through hole 16 is perpendicular to the length direction of the mounting frame 1.

Referring to fig. 1 and 2, the inner walls of the two vertical opposite side walls of the mounting frame 1 are provided with sliding grooves 3, the length directions of the two sliding grooves 3 are vertical, and the notches of the two sliding grooves 3 are opposite. A plurality of rollers 31 are rotatably mounted on the bottom of the chute 3 along the length direction of the chute 3, and the rotating plane of the rollers 31 is parallel to the cross section of the mounting frame 1.

The fireproof plate 11 is vertically arranged in the mounting frame 1, the fireproof plate 11 penetrates through the through hole 16, the two vertical sides of the fireproof plate 11 are respectively matched and slidably mounted in the two sliding grooves 3, and the two vertical side walls of the fireproof plate 11 are respectively abutted to the rollers 31 in the two sliding grooves 3. The plane of the fire protection plate 11 is parallel to the cross section of the mounting frame 1.

Referring to fig. 2 and 3, a mounting groove 4 is fixedly mounted on the bottom wall of the inner wall of the mounting frame 1, the mounting groove 4 is horizontal and has a notch facing upwards, and two ends of the mounting groove 4 in the length direction are respectively fixedly connected and communicated with the lower ends of the two sliding grooves 3. A shock-proof net 41 made of a wire net is fixedly and horizontally installed in the installation groove 4, and the shock-proof net 41 is in a loose state. The lower end of the fire-proof plate 11 can be embedded in the mounting groove 4 in a matching way.

The upper end of the fireproof plate 11 penetrates through the through hole 16 and is positioned outside the mounting frame 1, a horizontal second baffle plate 12 is fixedly mounted at the upper end of the fireproof plate 11, and the second baffle plate 12 is made of a steel plate. Second baffle 12 is provided with locking piece 5, and locking piece 5 is all vertical including the connecting rod of welding on second baffle 12 along the both sides wall of the length direction of installing frame 1, two connecting rods. A groove 52 is arranged on one surface of the connecting rod facing the mounting frame 1, and an elastic bulge 53 matched with the groove 52 is fixedly arranged on the vertical side wall of the mounting frame 1.

Transfer the PLASTIC LAMINATED 11 to its lower extreme cooperation and inlay and establish in mounting groove 4, and the diapire laminating of PLASTIC LAMINATED 11 supports when tightly on the net 41 that takes precautions against earthquakes, the PLASTIC LAMINATED 11 separates into the interior passageway of installing frame 1 towards indoor passageway and towards outdoor passageway, the diapire laminating butt of second baffle 12 this moment on the roof of installing frame 1, two connecting rods all laminate with the vertical both sides wall of installing frame 1 towards a lateral wall of installing frame 1 mutually, the cooperation of elasticity arch 53 is inlayed and is established in recess 52.

The mounting frame 1 is provided with locking device 2, and locking device 2 includes motor 21 and first baffle 22, and motor 21 fixed mounting is on the lateral wall of the outdoor passageway of mounting frame 1 orientation, and first baffle 22 fixed mounting is on motor 21's output shaft, and starter motor 21 can drive first baffle 22 and rotate, and the rotation plane of first baffle 22 is vertical and perpendicular with the plane at PLASTIC LAMINATED 11 place.

Fixed mounting has dog 111 on the lateral wall of PLASTIC LAMINATED 11, with PLASTIC LAMINATED 11 upwards pulls up, opens the back with the interior passageway of installing frame 1, and starter motor 21 drives first baffle 22 and rotates, and first baffle 22 can promote PLASTIC LAMINATED 11 upwards to slide to the roof laminating with dog 111 and support tightly on the roof of the inner wall of installing frame 1, and first baffle 22 supports the diapire of tightly PLASTIC LAMINATED 11, keeps PLASTIC LAMINATED 11 at the open mode.

Be connected with first power cord 13 on motor 21, the one end that motor 21 was kept away from to first power cord 13 is located installing frame 1 towards indoor passageway department, and one of motor 21 was kept away from to first power cord 13 serves fixedly connected with temperature fuse 14, and one of temperature fuse 14 keeping away from first power cord 13 serves and is connected with second power cord 15, and second power cord 15 is connected with the power, and temperature fuse 14 fuses when the temperature reaches 280 ℃.

The implementation principle of the fire damper with stable fire resistance in the embodiment of the application is as follows:

when the fire breaks out indoors, when indoor temperature continues to rise to 280 ℃, indoor personnel have evacuated this moment, the fuse fuses, motor 21 stops working, PLASTIC LAMINATED 11 falls down under the effect of gravity, first baffle 22 rotates downwards under the promotion of PLASTIC LAMINATED 11 to separate with PLASTIC LAMINATED 11, PLASTIC LAMINATED 11 falls down to its lower extreme cooperation and inlays and establish in mounting groove 4, shockproof net 41 absorbs the impact force of PLASTIC LAMINATED 11, the lower terminal surface laminating of PLASTIC LAMINATED 11 supports tightly on shockproof net 41, the laminating of second baffle 12 supports tightly on the roof of installing frame 1, the cooperation of elastic bulge 53 is inlayed and is established in recess 52, accomplish the wall to the interior passageway of installing frame 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fire prevention valve that fire behavior is stable, includes installing frame (1), its characterized in that: vertical sliding installation is used for with in installing frame (1) interior passageway confined PLASTIC LAMINATED (11), installing frame (1) is provided with locking device (2), locking device (2) are used for with the diapire locking of PLASTIC LAMINATED (11) is in the interior passageway of installing frame (1) is to the upside, wear out the upper end of PLASTIC LAMINATED (11) the roof of installing frame (1), be provided with first power cord (13) on locking device (2), keep away from first power cord (13) one of locking device (2) is served and is connected with temperature fuse (14), be connected with second power cord (15) on temperature fuse (14), second power cord (15) are connected with the power.

2. The fire damper with stable fire-proof performance as claimed in claim 1, wherein: after the fireproof plate (11) is put down, the inner channel of the installation frame (1) is isolated into two channels towards the indoor and the outdoor by the fireproof plate (11), the locking device (2) comprises a motor (21) and a first baffle plate (22), the motor (21) is arranged in the mounting frame (1), the first baffle (22) is horizontally and rotatably arranged in the mounting frame (1), the motor (21) and the first baffle (22) are both positioned in a channel of the mounting frame (1) facing outdoors, the first baffle plate (22) is connected with the motor (21), after the fireproof plate (11) is pulled upwards, the motor (21) is started to drive the first baffle plate (22) to rotate, the first baffle plate (22) can rotate to the bottom wall which supports the fireproof plate (11), and the first power line (13) is connected with the motor (21).

3. The fire damper with stable fire-proof performance as claimed in claim 2, wherein: be provided with dog (111) on the lateral wall of PLASTIC LAMINATED (11), when first baffle (22) hold the diapire of PLASTIC LAMINATED (11), dog (111) support tightly the roof of the interior passageway of installing frame (1).

4. The fire damper with stable fire-proof performance as claimed in claim 1, wherein: the inner wall of the mounting frame (1) is vertically provided with two sliding grooves (3), and the vertical two sides of the fireproof plate (11) are respectively matched and slidably arranged in the two sliding grooves (3).

5. The fire damper with stable fire-proof performance as claimed in claim 4, wherein: be provided with mounting groove (4) on the inner wall of installing frame (1), mounting groove (4) are the level just the both ends of mounting groove (4) are respectively with two the lower extreme of spout (3) is connected, works as PLASTIC LAMINATED (11) will when the interior passageway of installing frame (1) seals, the downside cooperation of PLASTIC LAMINATED (11) is inlayed and is established in mounting groove (4).

6. The fire damper with stable fire-proof performance as claimed in claim 5, wherein: the mounting groove (4) is internally provided with a shockproof net (41) made of a high-temperature-resistant material, the lower side of the fireproof plate (11) is embedded in the mounting groove (4) in a matching manner, and the bottom wall of the fireproof plate (11) is attached to and tightly abutted against the shockproof net (41).

7. The fire damper with stable fire-proof performance as claimed in claim 5, wherein: the groove bottom of the sliding groove (3) is provided with a plurality of rollers (31) in a rotating mode along the length direction of the sliding groove (3), and the rotating plane of the rollers (31) is parallel to the plane where the fireproof plate (11) is located.

8. The fire damper with stable fire-proof performance as claimed in claim 7, wherein: be provided with second baffle (12) on the roof of PLASTIC LAMINATED (11), work as the downside cooperation of PLASTIC LAMINATED (11) is inlayed and is established when in mounting groove (4), second baffle (12) laminating is supported tightly on the roof of installing frame (1), still be provided with locking piece (5) on second baffle (12) with installing frame (1) is connected.

9. The fire damper of claim 8, wherein: locking piece (5) include connecting rod (51), the one end of connecting rod (51) with second baffle (12) are connected, just connecting rod (51) with the vertical lateral wall of installing frame (1) is laminated mutually, connecting rod (51) with be provided with recess (52) in the one side that installing frame (1) laminated mutually, the cooperation is provided with elasticity arch (53) on the vertical lateral wall of installing frame (1), elasticity arch (53) cooperation is inlayed and is established in recess (52).