CN213361230U

CN213361230U - Smoke exhaust fire prevention valve for accelerating smoke exhaust

Info

Publication number: CN213361230U
Application number: CN202021876330.4U
Authority: CN
Inventors: 朱文伟
Original assignee: Jiangsu Yangxiao Air Conditioning Engineering Co ltd
Current assignee: Jiangsu Yangxiao Air Conditioning Engineering Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-06-04
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a fire prevention valve of discharging fume with higher speed, including fire prevention valve main part and motor, the left and right sides of fire prevention valve main part all is provided with the ventilation pipe, the middle part of both ends four sides all runs through first bull stick about the fire prevention valve main part, the one end of first bull stick all passes the ventilation pipe surface and extends to first bull stick outside, inside the left end of sealing strip all extends to the seal groove, the bottom of motor drive shaft is connected through embedded bearing with fire prevention valve main part inner wall, the bottom of second bull stick is connected through embedded bearing with being connected the storehouse inner wall, the middle part of third bull stick is connected with fire prevention valve main part inner wall through the bearing bracket. The utility model discloses make the flue gas outwards discharge with higher speed, improve indoor circulation of air speed, improve the protection to the scene of fire personnel, the device practicality is strong, avoids burning ashes to pile up and leads to the unable normal work of fire prevention valve main part, and device stability is high.

Description

Smoke exhaust fire prevention valve for accelerating smoke exhaust

Technical Field

The utility model relates to a fire prevention valve technical field specifically is a fire prevention valve of discharging fume with higher speed.

Background

The fire-proof valve is used for preventing the fire from being burnt to articles, furniture or even houses, and can be used for preventing the personal safety from being threatened due to overhigh gas content in smoke when the fire happens.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire damper of discharging fume with higher speed to current fire damper who proposes in solving above-mentioned background art only possesses the function of opening to discharge fume or seal and hinder the cigarette, does not have the function of accelerating flue gas outgoing, can't assist the quick exhaust problem of flue gas.

In order to achieve the above object, the utility model provides a following technical scheme: a smoke-discharging fire damper for accelerating smoke discharging comprises a fire damper main body and a motor, wherein ventilation pipes are arranged on the left side and the right side of the fire damper main body, first rotating rods penetrate through the middles of four sides at the left end and the right end of the fire damper main body, fixed sleeves are welded at the middles of one sides, away from the four sides of the ventilation pipes, one ends of the first rotating rods penetrate through the surface of the ventilation pipes and extend to the outside of the first rotating rods, connecting grooves are formed in the edges of the left end and the right end of the fire damper main body, connecting blocks are arranged inside the connecting grooves, two groups of sealing strips are welded at one sides, away from the connecting blocks, of the ventilation pipes are provided with two groups of sealing grooves, the left ends of the sealing strips extend to the inside of the sealing grooves, the motor is installed at the top of the fire damper main body, and the, the bottom end of the motor driving shaft is connected with the inner wall of the fire damper main body through an embedded bearing, a connecting bin is arranged inside the fire damper main body, the bottom end of the connecting bin is welded and fixed with the inner wall of the fire damper main body, a second rotating rod is inserted into the top of the connecting bin, the top end of the second rotating rod is welded and fixed with the bottom end of the motor driving shaft, the bottom end of the second rotating rod is connected with the inner wall of the connecting bin through the embedded bearing, a third rotating rod is inserted into the left side of the connecting bin, the right end of the third rotating rod is connected with the inner wall of the connecting bin through the embedded bearing, the middle part of the third rotating rod is connected with the inner wall of the fire damper main body through a bearing bracket, a fan is sleeved on the outer side of the left end of the third rotating rod, a clamping groove is formed in the top of the left end of the third rotating rod, a clamping block is inserted into the top of the clamping groove, a fourth rotating rod is inserted into, the right-hand member welding of fourth bull stick has the scraper blade, the inside right side of fire prevention valve main part is provided with the filter screen, and the outside and the fire prevention valve main part inner wall welded fastening of filter screen.

Preferably, the outer side of the first rotating rod is provided with external threads, the inner wall of the fixed sleeve is provided with internal threads, and the first rotating rod is connected with the fixed sleeve through a threaded structure.

Preferably, the springs are uniformly welded on one side, close to each other, of the connecting block, and the springs are fixedly welded on the inner wall of the connecting groove.

Preferably, the sealing strip is the font form of returning, the external diameter of sealing strip matches with the internal diameter of seal groove and suits, two sets of the diameter of sealing strip is different.

Preferably, the bottom end of the second rotating rod is in transmission connection with the right end of the third rotating rod through a bevel gear, the bottom end of the second rotating rod is in transmission connection with the left end of the fourth rotating rod through a bevel gear, and the second rotating rod, the third rotating rod and the fourth rotating rod form a linkage structure.

Preferably, the bottom of the clamping block is welded with a spring, and the bottom end of the spring is welded and fixed with the inner wall of the clamping groove.

Preferably, the longitudinal section of scraper blade is rectangle, the even veneer in right side of scraper blade has the brush hair, the right-hand member and the filter screen surface of brush hair are laminated mutually.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages that the smoke is discharged outwards in an accelerated way, the indoor air circulation rate is increased, the protection to fire scene personnel is improved, the practicability of the device is strong, the burning ash accumulation is avoided, the fire damper main body cannot work normally, and the stability of the device is high;

1. the fire-proof valve is provided with the fan, the fire-proof valve main body is in a normally closed state, when smoke is generated in a fire, the control end of a temperature sensor and the like of the fire-proof valve main body starts the fire-proof valve main body to be opened, the motor is started to drive the second rotating rod to rotate and drive the third rotating rod to rotate, so that the fan rotates, the fan pushes the smoke on the left side of the fire-proof valve main body to the right side of the fire-proof valve main body, the smoke is discharged outwards at an accelerated speed, the concentration of carbon monoxide, carbon dioxide and the like generated in a room due to the fire is reduced, the indoor air circulation rate is improved, the protection on the personnel on the fire scene is improved, the time is provided for the;

2. the sealing strip is arranged, a user inserts the sealing strip into the sealing groove in an aligned mode, the first rotating rod penetrates through an opening at the edge of the fire damper main body and is aligned with the fixing sleeve, the first rotating rod is rotated to be connected with the fixing sleeve, the fire damper main body is connected with the ventilation pipe, the sealing strip seals the connection position of the fire damper main body and the ventilation pipe, smoke is prevented from being discharged from the connection position of the fire damper main body and the ventilation pipe to cause poor smoke discharging effect, smoke backflow is prevented from causing the content of indoor harmful gas to be incapable of reducing, the smoke discharging effect of the device is improved, and protection of personnel on a fire;

3. be provided with the filter screen, the flue gas is discharged right in fire prevention valve main part left side and is sent, the flue gas is during through the filter screen, particle impurity such as burning ashes that the filter screen mix with in with the flue gas filters, make ashes can't outwards arrange the valve department to fire prevention valve main part, avoid when the too serious control end control flap of intensity of a fire closes, debris such as ashes pile up in valve department and lead to the unable closure of valve or closed not tight, and the motor starts and drive the rotation of fourth bull stick, it rotates to drive the scraper blade, the ash that the scraper blade will filter screen surface accumulation collect is struck off, avoid leading to the unable continuation of flue gas to discharge or the discharge effect is poor because of the filtration pore blocking on ashes with the filter screen, the stability of device has been improved.

Drawings

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

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention;

fig. 4 is a schematic side sectional view of the structure at C-C in fig. 1 according to the present invention.

In the figure: 1. a fire damper main body; 2. a vent pipe; 3. a first rotating lever; 4. fixing a sleeve; 5. connecting grooves; 6. connecting blocks; 7. a sealing strip; 8. a motor; 9. a connecting bin; 10. a second rotating rod; 11. a third rotating rod; 12. a fan; 13. a card slot; 14. a clamping block; 15. a fourth rotating rod; 16. a squeegee; 17. filtering with a screen; 18. sealing the groove.

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 smoke-discharging fire damper for accelerating smoke discharging comprises a fire damper main body 1 and a motor 8, wherein ventilation pipes 2 are arranged on the left side and the right side of the fire damper main body 1, first rotating rods 3 penetrate through the middles of four sides of the left end and the right end of the fire damper main body 1, fixing sleeves 4 are welded in the middles of one sides, which are far away from the four sides of the ventilation pipes 2, external threads are arranged on the outer sides of the first rotating rods 3, internal threads are arranged on the inner walls of the fixing sleeves 4, the first rotating rods 3 and the fixing sleeves 4 are connected through a thread structure, the first rotating rods 3 penetrate through the edge opening of the fire damper main body 1 and are aligned to the fixing sleeves 4, and the first rotating rods 3 are rotated to be connected with;

one end of the first rotating rod 3 penetrates through the surface of the vent pipe 2 and extends to the outside of the first rotating rod 3, connecting grooves 5 are formed in the edges of the left end and the right end of the fire-proof valve main body 1, connecting blocks 6 are arranged inside the connecting grooves 5, springs are uniformly welded on the sides, close to the connecting blocks 6, of the connecting blocks, the springs are welded and fixed with the inner walls of the connecting grooves 5, when a fire disaster occurs, the fire and smoke impact and vibration generated by starting of a motor 8 enable the springs to deform, the resilience force of the springs pushes the connecting blocks 6 to the direction close to the sealing grooves 18, the sealing strips 7 are kept embedded into the sealing grooves 18, rubber pads are glued on the left sides of the sealing strips 7, the rubber pads are matched with the springs to fill gaps between the sealing strips 7 and the sealing grooves 18, two groups of sealing strips 7 are welded on the sides, far, the left ends of the sealing strips 7 extend into the sealing groove 18, the sealing strips 7 are in a shape like a Chinese character 'hui', the outer diameters of the sealing strips 7 are matched with the inner diameter of the sealing groove 18, the diameters of the two groups of sealing strips 7 are different, the sealing performance is improved, if smoke is leaked from the interval between the fire damper main body 1 and the ventilation pipe 2, the smoke needs to go through an S-shaped route, the smoke is blocked, and the sealing performance is high;

the top of the fire damper main body 1 is provided with a motor 8, the bottom end of a driving shaft of the motor 8 penetrates through the surface of the fire damper main body 1 and extends to the interior of the fire damper main body 1, the bottom end of the driving shaft of the motor 8 is connected with the inner wall of the fire damper main body 1 through an embedded bearing, the interior of the fire damper main body 1 is provided with a connecting bin 9, the bottom end of the connecting bin 9 is welded and fixed with the inner wall of the fire damper main body 1, the top end of the connecting bin 9 is inserted with a second rotating rod 10, the top end of the second rotating rod 10 is welded and fixed with the bottom end of the driving shaft of the motor 8, the bottom end of the second rotating rod 10 is connected with the inner wall of the connecting bin 9 through an embedded bearing, the left side of the connecting bin 9 is inserted with a third rotating rod 11, the right end of the third rotating rod 11 is connected with the inner wall of the connecting bin 9 through an embedded bearing, a clamping groove 13 is formed in the top of the left end of the third rotating rod 11, a clamping block 14 is inserted into the top of the clamping groove 13, a spring is welded at the bottom of the clamping block 14, and the bottom end of the spring is welded and fixed with the inner wall of the clamping groove 13;

a fourth rotating rod 15 is inserted on the right side of the connecting bin 9, the left end of the fourth rotating rod 15 is connected with the inner wall of the connecting bin 9 through an embedded bearing, the bottom end of the second rotating rod 10 is in transmission connection with the right end of the third rotating rod 11 through a bevel gear, the bottom end of the second rotating rod 10 is in transmission connection with the left end of the fourth rotating rod 15 through a bevel gear, the second rotating rod 10, the third rotating rod 11 and the fourth rotating rod 15 form a linkage structure, a motor 8 is started to drive the connecting bin 9 to rotate and drive the second rotating rod 10 to rotate, the second rotating rod 10 drives the third rotating rod 11 and the fourth rotating rod 15 to simultaneously rotate, a scraper 16 is welded on the right end of the fourth rotating rod 15, a filter screen 17 is arranged on the right side inside the fire valve main body 1, the outer side of the filter screen 17 is welded and fixed with the inner wall of the fire valve main body 1, the longitudinal section of the scraper 16 is rectangular, bristles are uniformly glued on the right side of the scraper 16, and, the fourth rotating rod 15 rotates to drive the scraper 16 to rotate, and the scraper 16 scrapes the combustion ash and other sundries accumulated on the surface of the filter screen 17.

The working principle is as follows: the user aims at the sealing strip 7 and inserts into the sealing groove 18, the first rotating rod 3 penetrates through the opening at the edge of the fire damper main body 1 and aims at the fixed sleeve 4, the first rotating rod 3 is rotated to be connected with the fixed sleeve 4, so that the fire damper main body 1 is connected with the ventilation pipe 2, the motor 8 is electrically connected with the control end of the fire damper main body 1, an external power supply is connected with the device to provide electric energy for the device, a valve of the fire damper main body 1 is in a closed state in a daily state, when a fire occurs, a temperature sensor on the fire damper main body 1 senses temperature change, the control end starts the valve on the fire damper main body 1 to be opened, meanwhile, the motor 8 is controlled to be started to drive the second rotating rod 10 to rotate, on one hand, the third rotating rod 11 is driven to rotate, the fan 12 is driven to rotate, and the fan 12 pushes smoke entering from the, the smoke discharging speed is increased, on the other hand, the fourth rotating rod 15 is driven to rotate, the scraper 16 is driven to rotate, and sundries such as combustion ash accumulated when smoke passes through the surface of the filter screen 17 are scraped downwards by the scraper 16;

if the device is damaged by the influence of fire, more ash is accumulated in the device after fire disaster, or the fan 12 is damaged by fire, the first rotating rod 3 is rotated reversely to be separated from the fixed sleeve 4, so that the fire damper main body 1 is detached from the two groups of ventilation pipes 2, the ash in the fire damper main body 1 is poured out, the clamping block 14 is pressed downwards to be embedded into the clamping groove 13, the fan 12 is pulled out to be separated from the third rotating rod 11, the fan 12 is replaced or cleaned, the cleaned or new fan 12 is inserted by aligning the third rotating rod 11 again, and the device is assembled again.

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

1. The utility model provides a fire damper of discharging fume with higher speed, includes fire damper main part (1) and motor (8), its characterized in that: the fireproof valve is characterized in that ventilation pipes (2) are arranged on the left side and the right side of the fireproof valve main body (1), first rotating rods (3) penetrate through the middles of four sides of the left end and the right end of the fireproof valve main body (1), fixed sleeves (4) are welded in the middles of one sides, far away from the four sides of the ventilation pipes (2), one ends of the first rotating rods (3) penetrate through the surfaces of the ventilation pipes (2) and extend to the outside of the first rotating rods (3), connecting grooves (5) are formed in the edges of the left end and the right end of the fireproof valve main body (1), connecting blocks (6) are arranged in the connecting grooves (5), two groups of sealing strips (7) are welded in one sides, far away from the connecting blocks (6), two groups of sealing grooves (18) are formed in one side, close to the fireproof valve main body (1), of the ventilation pipes (2), and, the fire damper is characterized in that a motor (8) is installed at the top of a fire damper main body (1), the bottom end of a drive shaft of the motor (8) penetrates through the surface of the fire damper main body (1) and extends into the fire damper main body (1), the bottom end of the drive shaft of the motor (8) is connected with the inner wall of the fire damper main body (1) through an embedded bearing, a connecting bin (9) is arranged inside the fire damper main body (1), the bottom end of the connecting bin (9) is fixedly welded with the inner wall of the fire damper main body (1), a second rotating rod (10) is inserted into the top of the connecting bin (9), the top end of the second rotating rod (10) is fixedly welded with the bottom end of the drive shaft of the motor (8), the bottom end of the second rotating rod (10) is connected with the inner wall of the connecting bin (9) through the embedded bearing, a third rotating rod (11) is inserted into the left side of the connecting bin (9), and the right end of the third rotating rod, the middle part of third bull stick (11) is connected with fire prevention valve main part (1) inner wall through the bearing bracket, the outside cover of third bull stick (11) left end is equipped with fan (12), draw-in groove (13) have been seted up at the top of third bull stick (11) left end, and the top of draw-in groove (13) is inserted and is equipped with fixture block (14), the right side of connecting storehouse (9) is inserted and is equipped with fourth bull stick (15), and the left end of fourth bull stick (15) is connected through embedded bearing with the inner wall of being connected storehouse (9), the right-hand member welding of fourth bull stick (15) has scraper blade (16), the inside right side of fire prevention valve main part (1) is provided with filter screen (17), and the outside and fire prevention valve main part (1) inner wall welded fastening of filter screen (17).

2. The smoke evacuation fire damper of claim 1, wherein: the outer side of the first rotating rod (3) is provided with external threads, the inner wall of the fixed sleeve (4) is provided with internal threads, and the first rotating rod (3) is connected with the fixed sleeve (4) through a threaded structure.

3. The smoke evacuation fire damper of claim 1, wherein: the spring is all evenly welded in one side that connecting block (6) are close to each other, and the spring all with spread groove (5) inner wall welded fastening.

4. The smoke evacuation fire damper of claim 1, wherein: the sealing strip (7) is in a shape like a Chinese character 'hui', the outer diameter of the sealing strip (7) is matched with the inner diameter of the sealing groove (18), and the sealing strip is two groups of sealing strips (7) with different diameters.

5. The smoke evacuation fire damper of claim 1, wherein: the bottom of second bull stick (10) is connected with third bull stick (11) right-hand member transmission through conical gear, the bottom of second bull stick (10) is connected with fourth bull stick (15) left end transmission through conical gear, second bull stick (10), third bull stick (11) and fourth bull stick (15) constitute linkage structure.

6. The smoke evacuation fire damper of claim 1, wherein: the bottom of the clamping block (14) is welded with a spring, and the bottom end of the spring is welded and fixed with the inner wall of the clamping groove (13).

7. The smoke evacuation fire damper of claim 1, wherein: the longitudinal section of scraper blade (16) is rectangle, the even veneer in right side of scraper blade (16) has the brush hair, the right-hand member and filter screen (17) surface of brush hair are laminated mutually.