CN214999451U

CN214999451U - Corridor air conditioner has fire prevention valve of adjusting rate of discharging fume

Info

Publication number: CN214999451U
Application number: CN202120302705.4U
Authority: CN
Inventors: 朱炳江
Original assignee: Jiangsu Depeng Air Condition Co ltd
Current assignee: Jiangsu Depeng Air Condition Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-12-03
Anticipated expiration: 2031-02-03

Abstract

The utility model relates to a fire prevention valve technical field specifically is a corridor idle call has fire prevention valve of adjusting exhaust rate, including the main valve body, the main valve body is including the main frame shell, and the even equidistance in inside of main frame shell transversely inserts and is equipped with the bull stick, and the equal fixed welding in outside of the bull stick of telling of every group has the valve plate, the valve plate passes through to rotate between bull stick and the main frame shell and is connected, the fixed welding in the right-hand member outside of bull stick has the worm wheel. The utility model discloses it is connected to set up to rotate between valve plate through bull stick and the main frame shell for the valve plate can change inclination through the rotation, through hiding of valve plate, can adjust the emission rate of main frame shell to the flue gas in a flexible way, through setting up tooth meshing transmission between worm and the worm wheel and connecting, each worm of cooperation application of force pole series connection, it is convenient to make the device adjust, and simultaneously, with the help of the tooth meshing auto-lock nature between worm and the worm wheel, make valve plate rotation regulation back automatic fixation firm, the effectual use convenience that has promoted the device.

Description

Corridor air conditioner has fire prevention valve of adjusting rate of discharging fume

Technical Field

The utility model relates to a fire prevention valve technical field specifically is a corridor idle call has fire prevention valve of adjusting exhaust rate.

Background

The fire damper is a ventilating device which is arranged in a corridor and used for exhausting smoke, one end of the outer side of the fire damper is usually connected to an air conditioner, a fan and other devices, and air supply or smoke exhaust operation is carried out on the interior of the corridor in an emergency through the operation of an external device;

in prior art, a fire prevention valve for corridor inside, it is unable to adjust to the outside exhaust rate of flue gas usually, in the in-service use process, generally for going up the circulation of air current on the biggest flux, the outer operation of arranging of flue gas under the different conditions of not being convenient for, and the inside cavity form that is usually of fire prevention valve among the prior art, the flue gas discharge in-process, can carry a large amount of dust impurity usually, dust impurity's leakage, influence the outside air quality easily, and carry the mars easily in the dust, influence facility security around. To this end we propose a fire damper with regulated smoke evacuation rate for corridor air conditioning to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corridor idle call has fire prevention valve of adjusting rate of discharging fume to solve the corridor for the fume emission fire prevention valve among the prior art who proposes in the above-mentioned background art, it is at the during operation, is difficult to nimble regulation to the rate of discharging of flue gas, the flexibility when influencing its actual use, and carry a large amount of dust impurity when fume emission, influence the outside air quality easily, and carry the problem that mars influences facility security around easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corridor idle call has fire prevention valve of adjusting exhaust rate, includes the main valve body, the main valve body is including the main frame shell, and the even equidistance in inside of main frame shell transversely inserts and is equipped with the bull stick, and the equal fixed welding in outside of the bull stick of telling of every group has the valve plate, the valve plate passes through the bull stick and rotates between the main frame shell to be connected, the right-hand member outside fixed welding of bull stick has the worm wheel, it is connected with the application of force pole to rotate on the right-hand member outer wall of main frame shell, and the even equidistance in outside of application of force pole is fixed with the worm, the tooth of assembly on the worm outer wall and the tooth looks adaptation of worm wheel outside assembly.

Preferably, the main frame shell is square, and the valve plate is long.

Preferably, the bottom fixedly connected with auxiliary valve body of main frame shell, and auxiliary valve body is including the auxiliary frame shell, the inside of auxiliary frame shell is close to the fixed filter screen of inlaying in the one end of main frame shell, and the vertical axostylus axostyle that is equipped with of inserting of intermediate position of filter screen, the fixed welding in bottom outside of axostylus axostyle has the turbofan, and the turbofan passes through the axostylus axostyle and rotates between the auxiliary frame shell to be connected, the fixed welding in top of axostylus axostyle has the scraper blade, and the scraper blade covers on the top surface of filter screen.

Preferably, the bottom of the filter screen is uniformly fixed with a knocking plate in a surrounding manner, the outer wall of the shaft rod is fixedly welded with a supporting rod, one end of the outer side of the supporting rod is connected with a knocking block, and the knocking block and the knocking plate are located on the same circular track.

Preferably, a spring is fixedly connected between the knocking block and the support rod, and the knocking block is elastically connected with the support rod through the spring.

Preferably, a ratchet wheel is fixedly embedded in the middle position of the filter screen, the shaft rod is vertically inserted in the middle position inside the ratchet wheel, and the shaft rod is connected with the filter screen in a unidirectional rotating mode through the ratchet wheel.

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

1. the valve plate is rotatably connected with the main frame shell through the rotating rod, so that the inclination angle of the valve plate can be changed through rotation, the exhaust rate of the main frame shell to smoke can be flexibly adjusted through the covering of the valve plate, the device is convenient to adjust by arranging the tooth meshing transmission connection between the worm and the worm wheel and matching the force application rod to serially connect the worms, and meanwhile, the valve plate is automatically and firmly fixed after being rotatably adjusted by means of the tooth meshing self-locking performance between the worm and the worm wheel, and the use convenience of the device is effectively improved;

2. through setting up the inside of filter screen fixed mounting at the subframe shell, the isolation with the help of the filter screen is filtered, the effectual dust impurity who avoids in the flue gas is outwards discharged, the effectual safety in utilization stability who ensures the device, it passes through the inside of axostylus axostyle swivelling joint at the subframe shell to set up the turbofan, and the fixed welding of top one end that sets up the axostylus axostyle has the scraper blade, promote the turbofan rotation when making the flue gas arrange outward, order about the scraper blade and scrape the brush on the filter screen surface, the rotatory striking strike board of cooperation piece forms vibrations to the filter screen, effectually shake off filter screen attached dust impurity on the surface, be convenient for ensure the continuous stability of the device work.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural perspective view 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 a schematic sectional view of the front view of the structure of the present invention;

fig. 4 is the three-dimensional splitting schematic diagram of the structure inside the auxiliary valve body of the present invention.

In the figure: 100. a main valve body; 110. a main frame case; 120. a rotating rod; 130. a valve plate; 140. a worm gear; 150. a force application rod; 160. a worm; 200. a sub-valve body; 210. a sub-frame case; 220. a filter screen; 230. a shaft lever; 240. a turbofan; 250. a squeegee; 260. knocking the plate; 270. a support bar; 280. a spring; 290. knocking blocks; 300. and (4) ratchet wheels.

The specific implementation mode is as follows:

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 fire damper with smoke exhaust rate regulation for a corridor air conditioner comprises a main valve body 100, wherein the main valve body 100 comprises a main frame shell 110, rotating rods 120 are uniformly and equidistantly transversely inserted into the main frame shell 110, a valve plate 130 is fixedly welded on the outer side of each rotating rod 120, the valve plate 130 is rotatably connected with the main frame shell 110 through the rotating rods 120, a worm wheel 140 is fixedly welded on the outer side of the right end of the rotating rod 120, a force application rod 150 is rotatably connected onto the outer wall of the right end of the main frame shell 110, worms 160 are uniformly and equidistantly fixed on the outer side of the force application rod 150, teeth assembled on the outer wall of the worm 160 are matched with teeth assembled on the outer side of the worm wheel 140, the valve plate 130 is rotatably connected with the main frame shell 110 through the rotating rods 120, and the worm 160 and the worm wheel 140 are in meshing transmission connection, so that when the fire damper works, the corresponding worm wheel 140 is driven to rotate by rotating the worm 160, the rotating rods 120 can drive the valve plate 130 to rotate, the opening amplitude of the main frame shell 110 is controlled, so that the device can effectively adjust the smoke exhaust rate, the force application rod 150 is arranged to penetrate and be fixed inside the worms 160, the worms 160 can synchronously rotate through the connection of the force application rod 150, the adjustment flexibility of the device is effectively improved, the valve plate 130 is automatically and firmly fixed after being adjusted by means of the tooth meshing self-locking performance between the worms 160 and the worm wheel 140, and the structural stability of the device is effectively improved;

furthermore, the main frame shell 110 is in a square frame shape, the valve plate 130 is in a long strip shape, and the square frame-shaped main frame shell 110 is matched with the long strip-shaped valve plate 130, so that the valve plate 130 in the device can be stably and effectively attached to the inner wall of the main frame shell 110 during rotation, and the close, close and stable performance of the device is effectively guaranteed;

further, the bottom of the main frame housing 110 is fixedly connected with the sub valve body 200, and the sub valve body 200 includes a sub frame housing 210, the inside of the sub frame housing 210 is close to one end of the main frame housing 110 and is fixedly embedded with a filter screen 220, and a shaft rod 230 is vertically inserted in the middle position of the filter screen 220, a turbofan 240 is fixedly welded on the outer side of the bottom of the shaft rod 230, and the turbofan 240 is rotatably connected with the sub frame housing 210 through the shaft rod 230, a scraper 250 is fixedly welded on the top of the shaft rod 230, and the scraper 250 covers the top surface of the filter screen 220, and is fixedly installed in the sub frame housing 210 by setting the filter screen 220, through the isolation and filtration of the filter screen 220, the large particle impurities in the smoke dust are effectively prevented from being discharged outwards, and through setting the turbofan 240 fixedly installed at the bottom of the shaft rod 230, when the device performs the smoke extraction operation, the turbofan 240 is blown by the smoke flow, the shaft rod 230 is driven to rotate, and the scraper 250 is driven to rotate and scrape on the surface of the filter screen 220, the smoke dust impurities attached to the surface of the filter screen 220 are collected together, so that the situation that the smoke dust is excessively spread on the surface of the filter screen 220 to cause the passing efficiency of the filter screen 220 to be blocked is avoided, and the working stability of the device is effectively guaranteed;

furthermore, the knocking plate 260 is uniformly fixed at the bottom of the filter screen 220 in a surrounding manner, the supporting rod 270 is fixedly welded on the outer wall of the shaft rod 230, one end of the outer side of the supporting rod 270 is connected with the knocking block 290, the knocking block 290 and the knocking plate 260 are located on the same circular track, the knocking plate 260 is fixedly arranged at the bottom of the filter screen 220, the knocking block 290 is fixedly connected to the shaft rod 230 through the supporting rod 270, when the device works to draw smoke outwards, the shaft rod 230 rotates to drive the knocking block 290 to rotate to scrape and knock the knocking plate 260, smoke and dust impurities collected on the surface of the filter screen 220 fall off through vibration, the device can automatically clean the smoke and dust impurities conveniently, and the working continuity of the device is effectively prolonged;

furthermore, a spring 280 is fixedly connected between the knocking block 290 and the supporting rod 270, the knocking block 290 is elastically connected with the supporting rod 270 through the spring 280, the supporting rod 270 and the knocking block 290 are elastically connected through the spring 280, and the knocking block 290 can slightly deviate in the process of surrounding and knocking the knocking plate 260 through the elastic connection of the spring 280, so that the clamping phenomenon between the knocking block 290 and the knocking plate 260 is effectively avoided, and the operation stability of the device is convenient to guarantee;

further, a ratchet wheel 300 is fixedly embedded in the middle position of the filter screen 220, the shaft rod 230 is vertically inserted in the middle position inside the ratchet wheel 300, the shaft rod 230 is connected with the filter screen 220 in a unidirectional rotation manner through the ratchet wheel 300, the ratchet 300 is connected between the filter screen 220 and the shaft 230, so that the shaft 230 can only rotate in one direction inside the sub-frame 210, when the device blows air into the corridor, the scroll fan 240 cannot be blown to rotate by means of the unidirectional locking of the ratchet 300, and when the device is operated in an emergency situation for exhausting smoke, the device sucks the smoke dust in the corridor, the turbofan 240 drives the shaft lever 230 to rotate normally under the drive of the airflow, therefore, the scraping and brushing of the scraper 250 on the surface of the filter screen 220 are only used in an emergency, so that the serious abrasion of the filter screen 220 caused by the long-time rotation of the scraper 250 is effectively avoided, and the service life of the device is conveniently prolonged;

the working principle is as follows: when the device works, a worker fixedly installs the device in the wall surface, so that the valve plate 130 faces the inner space of a corridor, and one end of the bottom of the subframe shell 210 is communicated with an external air conditioner assembly, and when the device normally blows air into the corridor, the device is limited by the ratchet wheel 300 in a single direction, so that the turbofan 240 cannot be blown by air flow to rotate;

when the device works, when a worker adjusts the smoke exhaust rate of the device, the worker rotates the force application rod 150 to drive each worm 160 fixed on the outer side of the force application rod to synchronously rotate, the rotating rod 120 drives the valve plate 130 to rotate through the tooth meshing transmission between the worm 160 and the worm wheel 140, the air flow passing amount inside the main frame shell 110 is changed by changing the inclination angle of the valve plate 130, and therefore the smoke exhaust rate is adjusted and changed;

the during operation, when taking place the dangerous condition and need carry out the operation of discharging fume, external air conditioner subassembly carries out outside operation of discharging fume, the smoke and dust is filtered behind filter screen 220, dust impurity attaches to filter screen 220 on the surface, under the outside mobile effect of flue gas, make turbofan 240 be driven rotatoryly by the air current, thereby make axostylus axostyle 230 rotate and drive scraper blade 250 and scrape the brush on filter screen 220's surface, make filter screen 220 go up adnexed smoke and dust impurity and assemble, synchronous axostylus axostyle 230 is rotatory to be driven and to strike piece 290 and continuously rotate and strike board 260, make filter screen 220 receive vibrations, shake off filter screen 220 adnexed smoke and dust impurity on the surface through vibrations, carry out the filtration operation of continuously discharging fume, 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

1. A fire damper with smoke evacuation rate regulation for corridor air conditioning, comprising a main valve body (100), characterized in that: the main valve body (100) is including main frame shell (110), and the even equidistance in inside of main frame shell (110) transversely inserts and is equipped with bull stick (120), and the equal fixed welding in outside of bull stick (120) of telling of every group has valve plate (130), valve plate (130) are connected through rotating rod (120) and rotation between main frame shell (110), the fixed welding in right-hand member outside of bull stick (120) has worm wheel (140), it is connected with application of force pole (150) to rotate on the right-hand member outer wall of main frame shell (110), and the even equidistance in outside of application of force pole (150) is fixed with worm (160), the tooth of assembly on worm (160) outer wall and the tooth looks adaptation of worm wheel (140) outside assembly.

2. The fire damper with adjustable smoke evacuation rate for corridor air conditioner according to claim 1, wherein: the main frame shell (110) is square in shape, and the valve plate (130) is long in shape.

3. The fire damper with adjustable smoke evacuation rate for corridor air conditioner according to claim 1, wherein: the bottom fixedly connected with auxiliary valve body (200) of main frame shell (110), and auxiliary valve body (200) are including auxiliary frame shell (210), the inside of auxiliary frame shell (210) is close to the one end of main frame shell (110) and is fixed to be inlayed and have filter screen (220), and the vertical intermediate position of filter screen (220) inserts and be equipped with axostylus axostyle (230), the fixed welding in bottom outside of axostylus axostyle (230) has turbofan (240), and turbofan (240) rotate between through axostylus axostyle (230) and auxiliary frame shell (210) and be connected, the fixed welding in top of axostylus axostyle (230) has scraper blade (250), and scraper blade (250) cover on the top surface of filter screen (220).

4. The fire damper with adjustable smoke evacuation rate for corridor air conditioner according to claim 3, wherein: the bottom of the filter screen (220) is uniformly fixed with a knocking plate (260) in a surrounding mode, the outer wall of the shaft rod (230) is fixedly welded with a supporting rod (270), one end of the outer side of the supporting rod (270) is connected with a knocking block (290), and the knocking block (290) and the knocking plate (260) are located on the same circular track.

5. The fire damper with adjustable smoke evacuation rate for corridor air conditioner according to claim 4, wherein: a spring (280) is fixedly connected between the knocking block (290) and the supporting rod (270), and the knocking block (290) is elastically connected with the supporting rod (270) through the spring (280).

6. The fire damper with adjustable smoke evacuation rate for corridor air conditioner according to claim 3, wherein: the middle position of the filter screen (220) is fixedly embedded with a ratchet wheel (300), the shaft rod (230) is vertically inserted in the middle position inside the ratchet wheel (300), and the shaft rod (230) is connected with the filter screen (220) in a unidirectional rotating mode through the ratchet wheel (300).