CN215568252U - Smoke-discharging fire-proof valve - Google Patents

Abstract

The utility model relates to the technical field of fire-fighting equipment, in particular to a smoke-discharging fire-proof valve which comprises a shell, a fixed plate, a plurality of guide rods, two sliding plates and two sealing plates, wherein the shell is provided with a plurality of guide rods; the outer shell is internally provided with a partition plate and a smoke collecting part, and the outer peripheral surface of the outer shell is provided with a flange plate A; the smoke collecting part is provided with a smoke inlet bin along the central axis direction; a detection module is arranged in the smoke inlet bin, and the smoke inlet bin is communicated with the two through holes on the partition plate; the guide rods are connected with the two fixing plates; the two fixed plates are connected with the partition plate, and each fixed plate is provided with a driving assembly B for driving each sliding plate to move; the two sliding plates are connected with a plurality of guide rods in a sliding manner, and each sliding plate is provided with a plurality of driving assemblies A for driving each sealing plate to move; in an initial state, the inner wall of each sealing plate is pressed against the inner wall of each through hole. The smoke-discharging fire-proof valve provided by the utility model has the advantages of high response speed and good sealing property.

Description

Smoke-discharging fire-proof valve

Technical Field

The utility model relates to the technical field of fire-fighting equipment, in particular to a smoke-discharging fire-proof valve.

Background

The smoke exhaust fire damper is a fire-fighting component and is used for a smoke exhaust system, smoke exhaust is opened when a fire disaster happens, and smoke exhaust is closed when the temperature of smoke reaches 280 ℃; current smoke exhaust fire damper comprises the blade subassembly of valve body and rotation connection in the valve body, drives the blade subassembly through fusing pole or actuating mechanism and deflects to reach and seal the valve body and play and separate the cigarette back-fire relief effect, but the impact that flue gas and intensity of a fire produced when the conflagration takes place leads to the blade subassembly to take place to deflect under the high pressure easily, thereby influences the gas tightness of smoke exhaust fire damper, actuating mechanism response speed that drive blade subassembly deflected in addition is slow, the inconvenient dismouting clearance maintenance that carries on of smoke exhaust fire damper.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a smoke-discharging fireproof valve which is high in response speed, good in sealing performance and convenient to disassemble and assemble, aiming at the problems in the background technology.

The technical scheme of the utility model is as follows: the smoke-discharging fire-resisting damper comprises a shell, a control box, a fixed plate, a plurality of guide rods, two sliding plates, two sealing plates and a smoke-collecting part;

a clapboard is arranged in the shell; two through holes are arranged on the partition plate side by side; a flange plate A is arranged on the outer peripheral surface of the shell along the outer peripheral direction; a plurality of mounting holes A are uniformly formed in the flange plate A;

the smoke collecting part is connected with the inner wall of the shell, one end of the smoke collecting part is pressed against the partition plate, and the smoke collecting part is provided with a smoke inlet bin along the central axis direction; the inner diameter of the cigarette inlet bin is gradually reduced along the direction from the flange plate A to the partition plate, a detection module is arranged in the cigarette inlet bin, and the cigarette inlet bin is communicated with the two through holes;

the guide rods are distributed side by side, and two ends of each guide rod are respectively connected with the two fixing plates; the two fixed plates are distributed side by side and are connected with the end faces of the partition plates far away from the smoke collecting part, and each fixed plate is provided with a driving assembly B for driving each sliding plate to move in a reciprocating mode along the central axis direction of the guide rods;

the two sliding plates are distributed side by side and are respectively connected with the plurality of guide rods in a sliding manner, and a plurality of driving assemblies A for driving each sealing plate to move towards or away from the partition plate are arranged on each sliding plate side by side; each sealing plate corresponds to each through hole one by one, and in an initial state, the inner wall of each sealing plate compresses the inner wall of each through hole respectively;

the control box is connected with the outer end face of the shell, a key module and a display screen are arranged on the control box, and a central processing unit and a communication module for communicating and connecting with a fire safety system are arranged in the control box; the communication module is in communication connection with the central processing unit; the central processing unit, the key module, the display screen, the detection module, the driving assembly A and the driving assembly B are electrically connected.

Preferably, each drive assembly a and each drive assembly B are identical in structure.

Preferably, each driving component B comprises a mounting cylinder, a spring, a sliding rod, a sliding block, a movable iron core and an electrified electromagnet;

one end of the mounting cylinder is connected with the fixing plate, and the other end of the mounting cylinder is provided with a guide sliding sleeve;

one end of the sliding rod is connected with the sliding plate, and the other end of the sliding rod penetrates through the guide sliding sleeve in an interference manner and is connected with the sliding block; the sliding block is connected with the inner wall of the mounting cylinder in a sliding manner; the movable iron core is connected with the end face of the sliding block, which is far away from the sliding rod;

the spring is sleeved outside the sliding rod, and two ends of the spring are respectively connected with the sliding plate and the mounting cylinder;

the electrified electromagnet is connected with the inner wall of the installation cylinder far away from the guide sliding sleeve, and the electrified electromagnet is in ferromagnetic adsorption connection with the movable iron core in the electrified state.

Preferably, the outer diameter value of the movable iron core is gradually reduced towards the electrified electromagnet along the central axis direction; the end face of the electrified electromagnet facing the movable iron core is provided with a blind hole for accommodating the movable iron core.

Preferably, the housing is of a cuboid structure; the projection shape of the flange plate A is a square hole circular structure.

Preferably, a plurality of fastening pieces A are further included; the inner wall of the shell is provided with a flange plate B along the inner circumference direction; the flange plate B is provided with a plurality of mounting holes B; a plurality of mounting holes C are formed in the partition plate;

the plurality of fastening pieces A are screwed into the plurality of mounting holes C and the plurality of mounting holes B, respectively, and the end face of the partition plate presses the end face of the flange plate B.

Preferably, the end face of flange B pressed against the partition is provided with an elastic sealing layer a.

Preferably, a plurality of fastening pieces B are further included; a flange plate C is arranged at one large-area end of the smoke collecting part along the peripheral direction; the flange plate C is provided with a plurality of mounting holes D; a flange plate D is arranged at one end of the small area of the smoke collecting part along the peripheral direction; the end surface of the shell is provided with a threaded blind hole;

the plurality of fastening pieces are screwed into the plurality of mounting holes D and the plurality of threaded blind holes respectively; the end face of flange plate C presses against the outer end face of the housing and the end face of flange plate D presses against the diaphragm, with the end face of flange plate D being flush with the end face of flange plate a.

Preferably, the end faces of flange D pressing the partition and flange C pressing the housing are provided with an elastic sealing layer B.

Preferably, each sealing plate is of a truncated pyramid configuration.

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

the smoke-discharging fire-proof valve provided by the utility model has the advantages that the sealing plate is driven by the driving assembly A and the driving assembly B to seal the through hole on the partition plate, so that smoke discharging in a space with fire and high-temperature smoke discharging from the through hole are realized, the driving assembly A and the driving assembly B are both driven by electromagnetism, and the response speed is high; the sealing plate is in a round table shape, the through hole is provided with an inclined inner wall, the sealing performance is good when the sealing plate and the through hole are installed in a matched mode, high-temperature smoke can be prevented from being discharged, and the sealing plate is good in supporting stability through the driving assembly A;

the partition plate and the smoke collecting part in the improved smoke exhaust fire damper are convenient to disassemble and assemble with the shell, so that the smoke exhaust fire damper is convenient to maintain and clean; the control instruction that the system sent can be accepted through the communication module that is equipped with to fire control safety system, and automatic control drive assembly A and drive assembly B move, need not artifical manual operation, and are more convenient.

Drawings

Fig. 1 and fig. 2 are schematic perspective views of an embodiment of the present invention.

Fig. 3 is a schematic perspective view of the housing of fig. 1.

Fig. 4 is a schematic perspective view of the smoke collecting part in fig. 2.

Fig. 5 is a perspective view of the separator of fig. 1.

Fig. 6 is a schematic perspective view of the fixed plate, the guide rod, the sliding plate, the driving assembly a, the driving assembly B, and the sealing plate in fig. 1 in a state of being engaged.

Fig. 7 is a schematic structural diagram of the driving assembly B in fig. 6.

Fig. 8 is a schematic block diagram of the smoke evacuation fire damper of the present invention.

Reference numerals: 1. a housing; 101. a flange plate A; 102. a mounting hole A; 103. a flange plate B; 104. a mounting hole B; 2. a control box; 4. a partition plate; 41. a through hole; 42. a mounting hole C; 5. a fixing plate; 6. a guide bar; 7. a sliding plate; 8. a sealing plate; 9. a smoke collection part; 91. a flange plate C; 92. a flange plate D; 93. a mounting hole D; 10. a detection module; 11. a tightening piece B; 12. a tightening piece A; 13. a drive assembly A; 14. a drive assembly B; 141. mounting the cylinder; 142. a spring; 143. a slide bar; 144. a slider; 145. a movable iron core; 146. an electromagnet is energized.

Detailed Description

Example one

As shown in fig. 1-8, the smoke evacuation fire damper of the present invention comprises a housing 1, a control box 2, a fixed plate 5, a plurality of guide rods 6, two sliding plates 7, two sealing plates 8 and a smoke collection part 9;

a clapboard 4 is arranged in the shell 1; two through holes 41 are arranged on the partition board 4 side by side; a flange plate A101 is provided on the outer peripheral surface of the housing 1 along the outer peripheral direction thereof; a plurality of mounting holes A102 are uniformly formed in the flange plate A101;

further, the housing 1 is in a cuboid structure; when the housing 1 is a cuboid structure, the projection shape of the flange plate a101 is a square hole circular structure, so that the flange plate a101 is sleeved outside the housing 1 and is connected with a flange or a smoke exhaust port on a smoke exhaust pipeline in a matching manner through the flange plate a 101;

the smoke collecting part 9 is connected with the inner wall of the shell 1, one end of the smoke collecting part 9 compresses the partition plate 4, and the smoke collecting part 9 is provided with a smoke inlet bin along the central axis direction thereof; the inner diameter of the cigarette inlet bin is gradually reduced along the direction of the flange plate A101 towards the partition plate 4, the cigarette inlet bin is communicated with the two through holes 41, and a detection module 10 is arranged in the cigarette inlet bin; the detection module 10 is used for detecting whether smoke exists in the environment and gas temperature, and is a product directly bought in the existing market, which is not described in detail;

the guide rods 6 are distributed side by side, and two ends of each guide rod 6 are respectively connected with the two fixing plates 5; at least two guide rods 6 are arranged; the two fixed plates 5 are distributed side by side and are connected with the end face, far away from the smoke collection part 9, of the partition plate 4, each fixed plate 5 is perpendicular to the partition plate 4, and each fixed plate 5 is provided with a driving assembly B14 for driving each sliding plate 7 to reciprocate along the central axis direction of the guide rods 6;

the two sliding plates 7 are distributed side by side and are respectively connected with the guide rods 6 in a sliding manner, and each sliding plate 7 is provided with a plurality of driving assemblies A13 which are used for driving each sealing plate 8 to move towards or away from the partition plate 4 side by side; each sliding plate 7 is provided with at least two driving assemblies A13; each sealing plate 8 corresponds to each through hole 41 one by one, and in an initial state, the inner wall of each sealing plate 8 presses the inner wall of each through hole 41 respectively to seal the through holes 41;

further, the sealing plate 8, the partition plate 4 and the smoke collecting part 9 are made of galvanized steel plates without limitation;

the control box 2 is connected with the outer end face of the shell 1, a key module and a display screen are arranged on the control box 2, and a central processing unit and a communication module for communication connection with a fire safety system are arranged in the control box 2; the communication module is in communication connection with the central processing unit; the central processing unit, the key module, the display screen, the detection module 10, the driving assembly A13 and the driving assembly B14 are electrically connected, and the central processing unit receives a signal detected by the detection module 10 to control the driving assembly A13 and the driving assembly B14 to act;

in one embodiment of the present invention, in the initial state, the through hole 41 of the partition plate 4 is sealed by the sealing plate 8; when the detection module 10 detects smoke, the central processing unit controls the plurality of driving assemblies A to operate so as to drive the two sealing plates 8 to be separated from the two through holes 41, and then controls the two driving assemblies B14 to operate so as to drive the two sliding plates 7, the plurality of driving assemblies A13 and the two sealing plates 8 to move away from each other, so that the smoke enters the smoke inlet bin and flows out of the two through holes 41, the inner diameter of the smoke inlet bin is gradually reduced, the flowing speed of the smoke can be increased, smoke exhaust is accelerated, and the two sealing plates 8 are positioned on one sides of the two through holes 41, so that the smoke exhaust cannot be influenced; when the detection module 10 detects that the temperature of the flue gas reaches a set range value, the central processing unit controls the two driving assemblies B14 to operate, the two driving assemblies B14 drive the two sliding plates 7 to move close to each other, and then the plurality of driving assemblies A13 operate to drive the two sealing plates 8 to move towards the partition plate 4 so as to seal the two through holes 41; the control instruction sent by the fire safety system can be received through the arranged communication module, the operation of the driving assembly A13 and the driving assembly B14 is automatically controlled, manual operation is not needed, and the operation is more convenient.

Example two

Compared with the first embodiment, the smoke evacuation fire damper provided by the utility model further comprises the structure that each driving assembly A13 and each driving assembly B14 are the same; each driving assembly B14 comprises a mounting cylinder 141, a spring 142, a sliding rod 143, a sliding block 144, a movable iron core 145 and an electrified electromagnet 146;

one end of the mounting cylinder 141 is connected with the fixing plate 5, and the other end of the mounting cylinder 141 is provided with a guide sliding sleeve;

one end of the sliding rod 143 is connected with the sliding plate 7, and the other end of the sliding rod 143 passes through the guide sliding sleeve in an interference manner and is connected with the sliding block 144; the sliding block 144 is connected with the inner wall of the mounting cylinder 141 in a sliding manner; the movable iron core 145 is connected with the end face of the sliding block 144 far away from the sliding rod 143;

the spring 142 is sleeved outside the sliding rod 143, two ends of the spring 142 are respectively connected with the sliding plate 7 and the mounting cylinder 141, and in an initial state, the spring 142 is in a free state, that is, the spring 142 is not deformed;

the electrified electromagnet 146 is connected with the inner wall of the installation cylinder 141 far away from the guide sliding sleeve, the electrified electromagnet 146 is in magnetic adsorption connection with the movable iron core 145 in the electrified state, and the electrified electromagnet 146 is electrically connected with the central processing unit; the power on and off of the electrified electromagnet 146 is controlled by the central processing unit;

further, the outer diameter value of the plunger 145 gradually decreases toward the energized electromagnet 146 along the central axis direction thereof; the end face of the electrified electromagnet 146 facing the movable iron core 145 is provided with a blind hole for accommodating the movable iron core 145, so that the moving range of the movable iron core 145 is increased;

in addition, the installation manner of the corresponding driving assembly a13 is clearly known to those skilled in the art through the above description of the driving assembly B14, and will not be described in detail;

in one embodiment of the utility model, when the device is used, the central processing unit controls the electrification of the electrification electromagnet 146, and the electrification electromagnet 146 is connected with the movable iron core 145 in a magnetic adsorption manner; the movable iron core 145, the sliding block 144 and the sliding rod 143 move towards the electrified electromagnet 146, the spring 142 is compressed, and the sliding plate 7 moves towards the fixed plate 5, similarly, when the electrified electromagnet 146 is powered off, the sliding plate 7 moves towards the side far away from the fixed plate 5 under the elastic force action of the spring 142, and the movable iron core, the sliding block 144 and the sliding rod 143 are driven by the electromagnet, so that the response speed is high.

EXAMPLE III

Compared with the first embodiment, the smoke evacuation fire damper of the present invention further includes a plurality of fastening pieces a 12; a flange plate B103 is arranged on the inner wall of the shell 1 along the inner circumferential direction; the flange plate B103 is provided with a plurality of mounting holes B104; the partition plate 4 is provided with a plurality of mounting holes C42;

the plurality of fastening pieces A12 are screwed into the plurality of mounting holes C42 and the plurality of mounting holes B104, and the end face of the partition plate 4 presses the end face of the flange plate B103; the end face of the flange plate B103 pressing the partition plate 4 is provided with an elastic sealing layer A;

in one embodiment of the present invention, the partition plate 4 is fixedly connected to the flange plate B103 by a plurality of fasteners a12, thereby facilitating the assembly and disassembly of the partition plate 4.

Example four

Compared with the first embodiment, the smoke evacuation fire damper of the present invention further includes a plurality of fastening pieces B11; a flange plate C91 is arranged at one end of the smoke collecting part 9 with large area along the peripheral direction; the flange plate C91 is provided with a plurality of mounting holes D93; a flange plate D92 is arranged at one end of the smoke collection part 9 with small area along the peripheral direction; the end surface of the shell 1 is provided with a threaded blind hole;

the plurality of fastening pieces are respectively screwed into the plurality of mounting holes D93 and the plurality of threaded blind holes; the end face of flange plate C91 compressed against the outer end face of the housing, the end face of flange plate D92 compressed against diaphragm 4, and the end face of flange plate D92 flush with the end face of flange plate a 101;

furthermore, elastic sealing layers B are arranged on the end faces of the flange plate D92 pressing the partition plate 4 and the flange plate C91 pressing the shell 1;

furthermore, in order to improve the stability of the smoke collecting part 9 after installation, the flange plate D92 and the partition plate 4 are fastened by using the fastening piece C;

in one embodiment of the utility model, the smoke collecting part 9 is convenient to detach from the shell 1, so that the smoke collecting part 9 is convenient to detach, clean and maintain.

EXAMPLE five

Compared with the first embodiment, each sealing plate 8 of the smoke exhaust fire damper provided by the utility model is of a frustum pyramid structure; each through hole 41 is a square hole, the inner wall of each through hole 41 is an inclined surface, and under the condition that each sealing plate 8 is installed in cooperation with each through hole 41, the inclined side end surface of each sealing plate 8 compresses the inclined inner wall of each through hole 41, so that the sealing performance is improved.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (10)

1. The smoke-discharging fire-proof valve is characterized by comprising a shell (1), a control box (2), a fixed plate (5), a plurality of guide rods (6), two sliding plates (7), two sealing plates (8) and a smoke-collecting part (9);

a clapboard (4) is arranged in the shell (1); two through holes (41) are arranged on the partition board (4) side by side; a flange plate A (101) is arranged on the outer peripheral surface of the shell (1) along the outer peripheral direction thereof; a plurality of mounting holes A (102) are uniformly formed in the flange plate A (101);

the smoke collecting part (9) is connected with the inner wall of the shell (1), one end of the smoke collecting part (9) compresses the partition plate (4), and the smoke collecting part (9) is provided with a smoke inlet bin along the central axis direction; the inner diameter of the cigarette inlet bin is gradually reduced along the direction of the flange plate A (101) towards the partition plate (4), a detection module (10) is arranged in the cigarette inlet bin, and the cigarette inlet bin is communicated with the two through holes (41);

the guide rods (6) are distributed side by side, and two ends of each guide rod (6) are respectively connected with the two fixing plates (5); the two fixed plates (5) are distributed side by side and are connected with the end face, far away from the smoke collection part (9), of the partition plate (4), and each fixed plate (5) is provided with a driving component B (14) for driving each sliding plate (7) to move in a reciprocating mode along the direction of the central axis of the guide rods (6);

the two sliding plates (7) are distributed side by side and are respectively connected with the guide rods (6) in a sliding manner, and each sliding plate (7) is provided with a plurality of driving assemblies A (13) which are used for driving each sealing plate (8) to move towards or away from the partition plate (4) side by side; each sealing plate (8) corresponds to each through hole (41) one by one, and in an initial state, the inner wall of each sealing plate (8) is pressed against the inner wall of each through hole (41) respectively;

the control box (2) is connected with the outer end face of the shell (1), a key module and a display screen are arranged on the control box (2), and a central processing unit and a communication module for being in communication connection with a fire safety system are arranged in the control box (2); the communication module is in communication connection with the central processing unit; the central processing unit, the key module, the display screen, the detection module (10), the driving assembly A (13) and the driving assembly B (14) are electrically connected.

2. The smoke evacuation fire valve as claimed in claim 1 wherein each drive assembly a (13) and each drive assembly B (14) are identical in construction.

3. The smoke evacuation fire valve as claimed in claim 1, wherein each driving assembly B (14) comprises a mounting cylinder (141), a spring (142), a sliding rod (143), a sliding block (144), a movable iron core (145) and an energized electromagnet (146);

one end of the mounting cylinder (141) is connected with the fixing plate (5), and the other end of the mounting cylinder (141) is provided with a guide sliding sleeve;

one end of the sliding rod (143) is connected with the sliding plate (7), and the other end of the sliding rod (143) penetrates through the guide sliding sleeve in an interference manner and is connected with the sliding block (144); the sliding block (144) is connected with the inner wall of the mounting cylinder (141) in a sliding manner; the movable iron core (145) is connected with the end face, away from the sliding rod (143), of the sliding block (144);

the spring (142) is sleeved on the outer side of the sliding rod (143), and two ends of the spring (142) are respectively connected with the sliding plate (7) and the mounting cylinder (141);

the electrified electromagnet (146) is connected with the inner wall, far away from the guide sliding sleeve, of the installation cylinder (141), and the electrified electromagnet (146) is connected with the movable iron core (145) in a magnetic adsorption mode in the electrified state.

4. The smoke evacuation fire damper according to claim 3, wherein the value of the outer diameter of the plunger (145) is gradually decreased toward the energized electromagnet (146) in the direction of the central axis thereof; and a blind hole for accommodating the movable iron core (145) is formed in the end face, facing the movable iron core (145), of the electrified electromagnet (146).

5. A smoke evacuation fire damper according to claim 1, characterised in that the housing (1) is of cuboid configuration; the projection shape of the flange plate A (101) is a square hole circular structure.

6. A smoke evacuation fire valve as claimed in claim 1 further comprising a plurality of tightening members a (12); a flange plate B (103) is arranged on the inner wall of the shell (1) along the inner circumferential direction; the flange plate B (103) is provided with a plurality of mounting holes B (104); a plurality of mounting holes C (42) are formed in the partition plate (4);

the plurality of fastening members A (12) are screwed into the plurality of mounting holes C (42) and the plurality of mounting holes B (104), respectively, and the end surface of the partition plate (4) presses the end surface of the flange plate B (103).

7. A smoke damper according to claim 6, characterized in that the end face of the flange plate B (103) pressing against the partition (4) is provided with an elastic sealing layer A.

8. The smoke evacuation fire valve of claim 1, further comprising a plurality of fasteners B (11); a flange plate C (91) is arranged at one end of the smoke collection part (9) with large area along the peripheral direction; the flange plate C (91) is provided with a plurality of mounting holes D (93); a flange plate D (92) is arranged at one end with a small area of the smoke collection part (9) along the peripheral direction; the end surface of the shell (1) is provided with a threaded blind hole;

the plurality of fastening pieces are screwed into the plurality of mounting holes D (93) and the plurality of threaded blind holes respectively; the end face of flange plate C (91) presses against the outer end face of the housing, the end face of flange plate D (92) presses against the diaphragm (4), and the end face of flange plate D (92) is flush with the end face of flange plate A (101).

9. The smoke damper according to claim 8, wherein the end faces of flange D (92) pressing against the partition (4) and flange C (91) pressing against the housing (1) are provided with an elastic sealing layer B.

10. A smoke evacuation fire damper according to claim 1, characterised in that each sealing plate (8) is of a truncated pyramid configuration.

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