CN216896017U

CN216896017U - Automatic control smoke exhaust fire prevention valve

Info

Publication number: CN216896017U
Application number: CN202123302625.8U
Authority: CN
Inventors: 龙绍伦
Original assignee: Shandong Yuechuan Civil Air Defense Equipment Co ltd
Current assignee: Shandong Yuechuan Civil Air Defense Equipment Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-05
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses an automatic control smoke exhaust fire prevention valve which comprises a valve body, wherein two sides of the valve body are communicated with a shell, the top of the valve body is fixedly connected with a box body, the top of the valve body is fixedly connected with a double-shaft motor, a rotating shaft of the double-shaft motor is fixedly connected with a rotating rod, one end, far away from the double-shaft motor, of the rotating rod is movably connected with the inner wall of the box body, a first belt pulley is fixedly sleeved on the surface of the rotating rod in a fixing mode, a threaded rod is movably connected to the inner wall of the shell, and one end, far away from the inner wall of the shell, of the threaded rod extends to the inner cavity of the valve body. The smoke exhaust fire-proof valve has the advantages of high smoke exhaust efficiency and automatic detection of smoke exhaust, and solves the problems that the existing smoke exhaust fire-proof valve is simple in structure, the valve plate is mostly designed in a rotary mode, the opening range is small, the valve plate occupies a large space in the valve body after being opened, smoke exhaust can be blocked, the discharge efficiency is reduced, smoke exhaust cannot be detected automatically, and the smoke exhaust fire-proof valve is inconvenient to use by people.

Description

Automatic control smoke exhaust fire prevention valve

Technical Field

The utility model relates to the technical field of smoke exhaust fire prevention valves, in particular to an automatic control smoke exhaust fire prevention valve.

Background

The fire prevention valve of discharging fume is a fire control part, generally installs on the pipeline of mechanical smoke exhaust system, is the open mode at ordinary times, opens when taking place the conflagration and discharges fume, closes when smoke temperature reaches 280 degrees in the exhaust pipe to satisfy in the certain time and leak cigarette volume and fire-resistant integrality requirement, play and separate cigarette back-fire relief effect, main material: carbon steel, galvanized sheet, stainless steel.

Current fire prevention valve that discharges fume simple structure, the valve plate is the rotation type design mostly, and it is little to open the range, and it is big as for the inside space that occupies of valve body to open the back valve plate, can obstruct the emission of smog, has reduced emission efficiency, can not automated inspection discharge fume, the people's of not being convenient for use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic control smoke exhaust fireproof valve which has the advantages of high smoke exhaust efficiency and automatic detection of smoke exhaust, and solves the problems that the existing smoke exhaust fireproof valve is simple in structure, valve plates are mostly designed in a rotary mode, the opening range is small, the valve plates occupy large space inside a valve body after being opened, smoke exhaust can be blocked, the discharge efficiency is reduced, smoke exhaust cannot be detected automatically, and people cannot use the smoke exhaust fireproof valve conveniently.

In order to achieve the purpose, the utility model provides the following technical scheme: an automatically controlled smoke-discharging fire-proof valve comprises a valve body, wherein two sides of the valve body are both communicated with a shell, the top of the valve body is fixedly connected with a box body, the top of the valve body is fixedly connected with a double-shaft motor, a rotating shaft of the double-shaft motor is fixedly connected with a rotating rod, one end of the rotating rod, far away from the double-shaft motor, is movably connected with the inner wall of the box body, the surface of the rotating rod is fixedly sleeved with a first belt disc, the inner wall of the shell is movably connected with a threaded rod, one end of the threaded rod, far away from the inner wall of the shell, extends to the inner cavity of the valve body, one end of the threaded rod, located in the shell, is fixedly sleeved with a second belt disc, the surfaces of the first belt disc and the second belt disc are sleeved with a belt, the top of the belt penetrates through the top of the shell and is movably connected with the shell, one end of the threaded rod, located in the inner cavity of the valve body, is sleeved with a threaded sleeve, the back surface of the threaded sleeve is fixedly connected with a sealing plate through a supporting block, the rear side of the inner cavity of the valve body is fixedly connected with a fan through a support, the left side of the front of the valve body is fixedly connected with a smoke sensor, and the front of the shell is fixedly connected with a controller.

Preferably, the surface of the sealing plate is fixedly sleeved with a sealing sleeve, and the top and the bottom of the sealing sleeve are both in contact with the inner wall of the valve body.

Preferably, one end of the threaded rod opposite to the threaded rod is fixedly connected with a limiting plate, and the diameter of the limiting plate is larger than the inner diameter of the threaded sleeve.

Preferably, the right side of the inner cavity of the shell is provided with a sliding groove, the back of the sealing plate is fixedly connected with a sliding block, and the rear side of the sliding block extends to the inner cavity of the sliding groove and is movably connected with the sliding groove.

Preferably, the surface cover of threaded rod is equipped with the lagging, pass through bearing swing joint between lagging and the threaded rod, the top and the bottom of lagging all with the inner wall fixed connection of casing.

Compared with the prior art, the utility model has the following beneficial effects:

1. the smoke exhaust fireproof valve has the advantages of high smoke exhaust efficiency and automatic smoke detection through the cooperation of the valve body, the shell, the box body, the double-shaft motor, the rotating rod, the first belt pulley, the threaded rod, the second belt pulley, the belt, the threaded sleeve, the sealing plate, the fan, the smoke sensor and the controller, and solves the problems that the existing smoke exhaust fireproof valve is simple in structure, the valve plates are mostly designed in a rotary mode and small in opening range, the valve plates occupy large space inside the valve body after being opened, smoke exhaust can be blocked, the emission efficiency is reduced, smoke exhaust cannot be automatically detected, and the smoke exhaust fireproof valve is not convenient to use by people.

2. According to the utility model, the sealing sleeve is arranged, so that the sealing performance between the sealing plate and the inner wall of the valve body is enhanced, the distance of the transverse movement of the threaded sleeve can be limited by arranging the limiting plate, the threaded sleeve is prevented from being separated from the threaded rod, the sealing plate can be supported in a balanced manner by arranging the sliding chute and the sliding block, the transverse movement of the sealing plate is facilitated, the threaded rod can be supported in a balanced manner by arranging the sleeve plate, the threaded rod can be conveniently and stably rotated, cold water can be conveniently added into an inner cavity of the cold water cavity by arranging the cold water cavity, the water inlet pipe and the water outlet pipe, the valve body can be cooled, and meanwhile, waste heat can be utilized to heat water.

Drawings

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

FIG. 2 is a schematic top sectional view of a portion of the present invention;

FIG. 3 is an enlarged view of a portion of A of FIG. 2 according to the present invention;

fig. 4 is a schematic front view of the structure of the present invention.

In the figure: the device comprises a valve body 1, a shell 2, a box 3, a double-shaft motor 4, a rotating rod 5, a first belt pulley 6, a threaded rod 7, a second belt pulley 8, a belt 9, a threaded sleeve 10, a sealing plate 11, a fan 12, a smoke sensor 13, a controller 14, a sealing sleeve 15, a limiting plate 16, a sliding groove 17, a sliding block 18, a sleeve plate 19, a cold water cavity 20, a water inlet pipe 21 and a water outlet pipe 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The valve body 1, the shell 2, the box body 3, the double-shaft motor 4, the rotating rod 5, the first belt pulley 6, the threaded rod 7, the second belt pulley 8, the belt 9, the threaded sleeve 10, the sealing plate 11, the fan 12, the smoke sensor 13, the controller 14, the sealing sleeve 15, the limiting plate 16, the sliding groove 17, the sliding block 18, the sleeve plate 19, the cold water cavity 20, the water inlet pipe 21 and the water inlet pipe 21 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the valve body can be known by a technical manual or a conventional experimental method.

Referring to fig. 1-4, an automatically controlled smoke exhaust fire damper comprises a valve body 1, a housing 2 is communicated with both sides of the valve body 1, a box 3 is fixedly connected with the top of the valve body 1, a double-shaft motor 4 is fixedly connected with the top of the valve body 1, a rotating shaft of the double-shaft motor 4 is fixedly connected with a rotating rod 5, one end of the rotating rod 5 far away from the double-shaft motor 4 is movably connected with the inner wall of the box 3, a first belt disc 6 is fixedly sleeved on the surface of the rotating rod 5, a threaded rod 7 is movably connected with the inner wall of the housing 2, one end of the threaded rod 7 far away from the inner wall of the housing 2 extends to the inner cavity of the valve body 1, a second belt disc 8 is fixedly sleeved on one end of the threaded rod 7 located in the housing 2, a belt 9 is sleeved on the surfaces of the first belt disc 6 and the second belt disc 8, the top of the belt 9 penetrates through the top of the housing 2 and is movably connected with the housing 2, and a threaded sleeve 10 is arranged at one end of the threaded rod 7 located in the inner cavity of the valve body 1, the back of the threaded sleeve 10 is fixedly connected with a sealing plate 11 through a support block, the rear side of the inner cavity of the valve body 1 is fixedly connected with a fan 12 through a support, the left side of the front of the valve body 1 is fixedly connected with a smoke sensor 13, the front of the shell 2 is fixedly connected with a controller 14, the surface of the sealing plate 11 is fixedly sleeved with a sealing sleeve 15, the top and the bottom of the sealing sleeve 15 are both contacted with the inner wall of the valve body 1, the sealing property between the sealing plate 11 and the inner wall of the valve body 1 is enhanced by arranging the sealing sleeve 15, one end opposite to the threaded rod 7 is fixedly connected with a limiting plate 16, the diameter of the limiting plate 16 is larger than the inner diameter of the threaded sleeve 10, the distance of transverse movement of the threaded sleeve 10 can be limited by arranging the limiting plate 16, the threaded sleeve 10 is prevented from being separated from the threaded rod 7, a sliding groove 17 is formed in the right side of the inner cavity of the shell 2, the back of the sealing plate 11 is fixedly connected with a sliding block 18, the rear side of the sliding block extends to the inner cavity of the sliding groove 17 and is movably connected with the sliding groove 17, through the arrangement of the sliding groove 17 and the sliding block 18, the sealing plate 11 can be supported in a balanced manner, the transverse movement of the sealing plate 11 is facilitated, the sleeve plate 19 is sleeved on the surface of the threaded rod 7, the sleeve plate 19 is movably connected with the threaded rod 7 through a bearing, the top and the bottom of the sleeve plate 19 are fixedly connected with the inner wall of the shell 2, through the arrangement of the sleeve plate 19, the threaded rod 7 can be supported in a balanced manner, the threaded rod 7 can rotate stably, the valve body 1 is internally provided with a cold water cavity 20, the left side of the cold water cavity 20 is communicated with a water inlet pipe 21, the right side of the cold water cavity 20 is communicated with a water outlet pipe 22, through the arrangement of the cold water cavity 20, the water inlet pipe 21 and the water outlet pipe 22, cold water can be added into the inner cavity of the cold water cavity 20, the valve body 1 can be cooled, meanwhile, waste heat water can be used by utilizing waste heat, the output end of the smoke sensor 13 is electrically connected with the controller 14, and the output end of the controller 14 is electrically connected with the fan 12 and the double-shaft motor 4 respectively, through valve body 1, casing 2, box 3, double-shaft motor 4, bull stick 5, first belt pulley 6, threaded rod 7, second belt pulley 8, belt 9, the thread bush 10, closing plate 11, fan 12, smoke transducer 13 and controller 14 cooperate, it is efficient to possess smog emission, automated inspection discharges fume's advantage, current fire prevention valve that discharges fume simple structure has been solved, the valve plate is the rotation type design mostly, it is little to open the range, it is big as valve body inside occupation space to open the back valve plate, can obstruct the emission of smog, discharge efficiency has been reduced, can not automated inspection discharge fume, the problem of being not convenient for people to use.

During the use, detect behind the smog with information feedback to controller 14 through smoke transducer 13, controller 14 control 4 operation drive bull stick 5 rotations of biax motor, bull stick 5 drives first belt pulley 6 rotations, first belt pulley 6 drives second belt pulley 8 rotations through belt 9, second belt pulley 8 drives threaded rod 7 rotations, through threaded rod 7 and 10 threaded connection of thread bush, it removes to make thread bush 10 drive closing plate 11, closing plate 11 stretches into 2 inner chambers of casing, make the smoke damper open, controller 14 control fan 12 operation drives the discharge of flue gas fast flow, inlet tube 21 and outlet pipe 22 and outside pipeline intercommunication, constantly carry the water source to cold water cavity 20 inner chambers, cool down valve body 1, can utilize after the water source heating.

In summary, the following steps: this automatic control's fire prevention valve that discharges fume, through valve body 1, casing 2, box 3, double-shaft motor 4, bull stick 5, first belt pulley 6, threaded rod 7, second belt pulley 8, belt 9, thread bush 10, closing plate 11, fan 12, smoke transducer 13 and controller 14 cooperate, current fire prevention valve that discharges fume simple structure has been solved, the valve plate is the rotation type design mostly, open range is little, it is big as valve body inside occupation space to open the back valve plate, can obstruct the emission of smog, discharge efficiency has been reduced, can not automated inspection discharge fume, the problem of being not convenient for people to use.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic control's fire prevention valve of discharging fume, includes valve body (1), its characterized in that: the both sides of valve body (1) all communicate there are casing (2), the top fixedly connected with box (3) of valve body (1), the top fixedly connected with double-shaft motor (4) of valve body (1), pivot fixedly connected with bull stick (5) of double-shaft motor (4), the one end of double-shaft motor (4) and the inner wall swing joint of box (3) are kept away from to bull stick (5), the fixed surface cover of bull stick (5) is equipped with first belt dish (6), the inner wall swing joint of casing (2) has threaded rod (7), the one end that casing (2) inner wall was kept away from in threaded rod (7) extends to the inner chamber of valve body (1), the fixed cover of one end that threaded rod (7) are located casing (2) is equipped with second belt dish (8), the surface cover of first belt dish (6) and second belt dish (8) is equipped with belt (9), the top of belt (9) run through the top of casing (2) and with casing (2) swing joint, threaded rod (7) are located one end screw thread cover of valve body (1) inner chamber and are equipped with thread bush (10), the back of thread bush (10) is through a piece fixedly connected with closing plate (11), support fixedly connected with fan (12) are passed through to the rear side of valve body (1) inner chamber, positive left side fixedly connected with smoke transducer (13) of valve body (1), the positive fixedly connected with controller (14) of casing (2).

2. An automatically controlled smoke evacuation fire damper as claimed in claim 1 wherein: the fixed cover in surface of closing plate (11) is equipped with seal cover (15), the top and the bottom of seal cover (15) all contact with the inner wall of valve body (1).

3. An automatically controlled smoke evacuation fire damper as claimed in claim 1 wherein: one end opposite to the threaded rod (7) is fixedly connected with a limiting plate (16), and the diameter of the limiting plate (16) is larger than the inner diameter of the threaded sleeve (10).

4. An automatically controlled smoke evacuation fire damper as claimed in claim 1 wherein: the right side of the inner cavity of the shell (2) is provided with a sliding groove (17), the back of the sealing plate (11) is fixedly connected with a sliding block (18), and the rear side of the sliding block (18) extends to the inner cavity of the sliding groove (17) and is movably connected with the sliding groove (17).

5. An automatically controlled smoke evacuation fire damper as claimed in claim 1, wherein: the surface cover of threaded rod (7) is equipped with lagging (19), pass through bearing swing joint between lagging (19) and threaded rod (7), the top and the bottom of lagging (19) all with the inner wall fixed connection of casing (2).

6. An automatically controlled smoke evacuation fire damper as claimed in claim 1 wherein: a cold water cavity (20) is formed in the valve body (1), the left side of the cold water cavity (20) is communicated with a water inlet pipe (21), and the right side of the cold water cavity (20) is communicated with a water outlet pipe (22).

7. An automatically controlled smoke evacuation fire damper as claimed in claim 1 wherein: the output end of the smoke sensor (13) is electrically connected with a controller (14), and the output end of the controller (14) is electrically connected with the fan (12) and the double-shaft motor (4) respectively.