Smoke exhaust fireproof valve with self-recovery function

Abstract

The utility model relates to the technical field of smoke exhaust fire resisting dampers, and discloses a smoke exhaust fire resisting damper with a self-recovery function. The smoke exhaust fire resisting damper comprises an installation pipeline, self-starting equipment is installed on one side of the installation pipeline, gear boxes are installed on the two sides of the inner wall of the installation pipeline, and the output end of a rotating motor in the self-starting equipment is fixedly connected with a gear in one gear box; a rotating motor in the self-starting equipment is connected with a synchronous motor, so that when the self-starting equipment detects that the interior of the mounting pipeline reaches the working temperature, the rotating motor in the self-starting equipment drives a first fireproof plate and a second fireproof plate to anticlockwise rotate by 90 degrees, and the synchronous motor is started at the same time to drive a connecting rod to clockwise rotate; the metal chain is guided by the guide wheel and wound in the winding cavity, the cover plate rotates by 90 degrees to make contact with the bottom face of the installation pipeline, the sealing performance of the installation pipeline is conveniently improved through cooperation with the effect of the fireproof cloth, and smoke is prevented from flowing into gaps formed by connecting the first fireproof plate and the installation pipeline and connecting the second fireproof plate and the installation pipeline.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of smoke exhaust fire damper more particularly to a kind of smoke exhaust fire dampers with self-recovery function. BACKGROUND

[0002] Smoke exhaust fire damper is a kind of fire-fighting components, generally installed on the pipeline of mechanical smoke exhaust system, open state usually, open smoke when fire occurs, when the smoke exhaust pipe in flue gas temperature reaches 280 degrees, close, and meet smoke leakage amount and fire resistance integrity requirements within a certain time, play the role of smoke isolation and fire resistance, the automatic starting mechanism of smoke exhaust fire damper mainly relies on the linkage control of fire alarm system and temperature sensing trigger, when fire detector (such as smoke, temperature) detects fire, fire control center will send DC24V electric signal to smoke exhaust fire damper, drive electromagnet or motor action, so that valve is automatically closed.

[0003] The Chinese patent with publication number CN222046784U discloses a kind of smoke exhaust fire dampers, by the cooperation of the guide-out groove, lug, sealing gasket, second baffle, so that the first baffle can improve the turning stability when using, by the movement of lug in guide-out groove adaptation first baffle turning, the sealing gasket, second baffle can block guide-out groove at this time, prevent the situation of mechanical obstruction is realized, prevent smoke exhaust fire damper inner wall from accumulating dust, affect the turning effect of first baffle.

[0004] But the patent in long time use, due to the aging of sealing gasket, when two baffle is closed, lack the mechanism of further blocking high-temperature smoke dust, lead to high-temperature smoke dust from the gap between two baffle and smoke exhaust fire damper body connection, unable to guarantee the sealing property of smoke exhaust fire damper body after closing. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of smoke exhaust fire dampers with self-recovery function, to solve the problem that the mechanism of further blocking high-temperature smoke dust is lacked in the above background art, lead to high-temperature smoke dust from the gap between two baffle and smoke exhaust fire damper body connection.

[0006] The utility model provides following technical scheme: a kind of smoke exhaust fire damper with self-recovery function, including installation pipeline, self-starting equipment is installed in installation pipeline one side, gear box is installed in the both sides of installation pipeline inner wall, the gear fixed connection in the rotating motor output end in self-starting equipment is connected with a gear box, first fireproof plate is connected between two gear boxes by gear, second fireproof plate is connected between two gear boxes by gear close to first fireproof plate side, first fireproof plate and second fireproof plate mutually fit, further including linkage rolling mechanism, rotating mechanism and auxiliary fireproof mechanism, linkage rolling mechanism is arranged in installation pipeline outside, and linkage rolling mechanism with installation pipeline one side, linkage rolling mechanism one end extends to below installation pipeline, linkage rolling mechanism and rotating motor in self-starting equipment are electrically connected, rotating mechanism is arranged in installation pipeline bottom end, and installation pipeline bottom end is provided with guide, and linkage rolling mechanism one end passes through guide, and is connected with rotating mechanism, auxiliary fireproof mechanism is arranged in rotating mechanism inside, and dismounting piece is arranged between auxiliary fireproof mechanism and rotating mechanism.

[0007] Further, the linkage rolling mechanism includes a connecting rod, first auxiliary plates, second auxiliary plates, a synchronous motor, a rolling cavity and a metal chain, the installation pipeline one side is fixedly connected with a mounting plate close to the self-starting equipment below, the synchronous motor one end is installed in the mounting plate inner side, and the synchronous motor and the rotating motor in the self-starting equipment are electrically connected, the synchronous motor output end is fixedly connected with the connecting rod, the connecting rod penetrates the front side and the rear side of the installation pipeline, two first auxiliary plates are fixedly connected to the outer wall of the connecting rod, two second auxiliary plates are fixedly connected to the outer wall of the connecting rod close to the two first auxiliary plates, a rolling cavity is arranged between the adjacent first auxiliary plate and second auxiliary plate, and a metal chain is fixedly connected to the outer wall of the connecting rod close to the inside of the rolling cavity.

[0008] Further, the guide includes a guide wheel, two guide grooves are formed in the bottom end of the installation pipeline, and the two guide grooves are symmetrically arranged, and the guide wheel is fixedly connected to the inside of the guide groove.

[0009] Further, the rotating mechanism includes a sleeve ring, support rods, a cover plate and a mounting slot, the cover plate top end is hinged to one side of the bottom end of the installation pipeline, the support rods are fixedly connected to the front side and the rear side of the cover plate, the sleeve ring is rotatably connected to the outer wall of the support rod, and the mounting slot is formed in one side of the cover plate.

[0010] Further, the auxiliary fireproof mechanism includes a mounting frame and fireproof cloth, the mounting frame is embedded in the inside of the mounting slot, and the fireproof cloth is fixedly connected to the inner wall of the mounting frame.

[0011] Further, the dismounting piece includes bolts, two bolts are provided, one end of the two bolts is threaded through one side of the cover plate and extends into the inside of the mounting slot, and the two bolts are installed on one side of the auxiliary fireproof mechanism by threads.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] The utility model discloses a rotating motor and synchronous motor are connected in the self starting equipment, when the self starting equipment detects that the inside of installation pipeline reaches working temperature, the rotating motor in the self starting equipment drives first fireproof board and second fireproof board anticlockwise rotation ninety degrees, and synchronous motor simultaneously starts and drives connecting rod clockwise rotation, makes metal chain pass through the guidance of guide wheel and is rolled up in the rolling chamber, makes the cover plate rotation ninety degrees and installation pipeline bottom surface contact, cooperates the effect of fireproof cloth, the sealing property of installation pipeline is convenient to increase, avoids that the smoke and dust flow from the gap of first fireproof board and second fireproof board and installation pipeline connection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic drawing of the utility model;

[0015] Figure 2 It is the first fireproof board and second fireproof board schematic drawing of the utility model;

[0016] Figure 3 It is the guide wheel schematic drawing of the utility model;

[0017] Figure 4 It is the metal chain schematic drawing of the utility model;

[0018] Figure 5 It is the cover plate schematic drawing of the utility model;

[0019] Figure 6 It is the fireproof cloth schematic drawing of the utility model.

[0020] The sign is as follows: 1, installation pipeline;2, self starting equipment;3, gear box;4, connecting rod;5, first fireproof board;6, second fireproof board;7, first auxiliary plate;8, second auxiliary plate;9, installation plate;10, synchronous motor;11, rolling chamber;12, metal chain;13, collar;14, support rod;15, cover plate;16, installation groove;17, mounting frame;18, fireproof cloth;19, bolt;20, guide groove;21, guide wheel. DETAILED DESCRIPTION

[0021] The utility model will be further explained in combination with specific embodiment, however, people skilled in the art should understand, the detailed description given in combination with the drawings here is to explain better, the structure of the utility model must exceed these limited embodiments, and for some equivalent replacement scheme or common means, this paper will not make detailed description, but still belongs to the protection scope of this application.

[0022] ATTACHMENT Figures 1-6 It is the best embodiment of the utility model, the following combination of drawingsFigures 1-6 The utility model makes further illustration.

[0023] Refer to the attached Figures 1-6 A kind of smoke exhaust fire damper with self-recovery function, including installation pipeline 1, self-starting device 2 is installed in installation pipeline 1 side, gear box 3 is installed in the inner wall of installation pipeline 1 both sides, the gear fixed connection in the rotating motor output end of self-starting device 2 and a gear box 3, first fireproof plate 5 is connected by gear between two gear boxes 3, second fireproof plate 6 is connected by gear between two gear boxes 3 side close to first fireproof plate 5 side, first fireproof plate 5 and second fireproof plate 6 mutually fit, further include linkage winding mechanism, rotating mechanism and auxiliary fireproof mechanism, linkage winding mechanism is set in installation pipeline 1 outside, and linkage winding mechanism with installation pipeline 1 side, linkage winding mechanism one end extends to the below of installation pipeline 1, linkage winding mechanism and the rotating motor in self-starting device 2 are electrically connected, rotating mechanism is set in installation pipeline 1 bottom end, installation pipeline 1 bottom end is provided with guide, linkage winding mechanism one end passes through guide, and is connected with rotating mechanism, auxiliary fireproof mechanism is set in rotating mechanism inside, and there is dismounting piece between auxiliary fireproof mechanism and rotating mechanism, by linkage winding mechanism and the rotating motor in self-starting device 2 electrically connected, so that self-starting device 2 detects that installation pipeline 1 inside reaches working temperature, starts rotating motor, simultaneously also starts linkage winding mechanism, so that linkage winding mechanism drives rotating mechanism by guide and rotates ninety degrees clockwise upwards, so that rotating mechanism and installation pipeline 1 bottom surface are pasted, cooperate auxiliary fireproof mechanism, it is convenient to increase the sealing property of installation pipeline 1, avoid that smoke and dust flow from the gap of first fireproof plate 5 and second fireproof plate 6 and installation pipeline 1 connection, and cooperate dismounting piece, it is convenient to dismount auxiliary fireproof mechanism from rotating mechanism, it is convenient to replace auxiliary fireproof mechanism, guarantee the sealing property of installation pipeline 1 after first fireproof plate 5 and second fireproof plate 6 merge.

[0024] Specific, linkage winding mechanism includes connecting rod 4, first auxiliary plate 7, second auxiliary plate 8, synchronous motor 10, winding cavity 11 and metal chain 12, one side of the installation pipeline 1 is fixedly connected with the mounting plate 9 near the self-starting device 2 below, one end of the synchronous motor 10 is installed in the inner side of the mounting plate 9, the synchronous motor 10 is electrically connected with the rotating motor in the self-starting device 2, the output end of the synchronous motor 10 is fixedly connected with the connecting rod 4, the connecting rod 4 penetrates the front side and the rear side of the installation pipeline 1, the outer wall of the connecting rod 4 is fixedly connected with two first auxiliary plates 7, the outer wall of the connecting rod 4 is fixedly connected with two second auxiliary plates 8 near one side of the two first auxiliary plates 7, the winding cavity 11 is arranged between the adjacent first auxiliary plate 7 and second auxiliary plate 8, the outer wall of the connecting rod 4 is fixedly connected with the metal chain 12 near the inside of the winding cavity 11; through the rotating motor in the self-starting device 2 and the synchronous motor 10, when the self-starting device 2 detects that the inside of the installation pipeline 1 reaches the working temperature, the rotating motor in the self-starting device 2 drives the first fireproof plate 5 and the second fireproof plate 6 to rotate counterclockwise by 90 degrees through the two gear boxes 3, so that the first fireproof plate 5 and the second fireproof plate 6 are spliced and fitted with the inner wall of the installation pipeline 1, and the synchronous motor 10 is started at the same time to drive the connecting rod 4 to rotate clockwise.

[0025] Specific, the guide includes a guide wheel 21, the bottom end of the installation pipeline 1 is provided with two guide grooves 20, the two guide grooves 20 are symmetrically arranged, the guide wheel 21 is fixedly connected in the inside of the guide groove 20; the synchronous motor 10 is started at the same time to drive the connecting rod 4 to rotate clockwise, so that the metal chain 12 is wound through the guide groove 20 and contacts with the outer wall of the guide wheel 21 when being wound, so that the guide wheel 21 guides the metal chain 12, so that the metal chain 12 is wound in the winding cavity 11 between the first auxiliary plate 7 and the second auxiliary plate 8.

[0026] Specific, the rotating mechanism includes a sleeve ring 13, a support rod 14, a cover plate 15 and a mounting groove 16, the top end of the cover plate 15 is hinged to one side of the bottom end of the installation pipeline 1, the front side and the rear side of the cover plate 15 are fixedly connected with the support rod 14, the support rod 14 is rotatably connected with the sleeve ring 13, and the mounting groove 16 is formed in one side of the cover plate 15; the metal chain 12 drives the sleeve ring 13 to move upward, and the sleeve ring 13 rotates on the outer wall of the support rod 14, so that the support rod 14 drives the cover plate 15 to rotate by 90 degrees and contacts with the bottom surface of the installation pipeline 1.

[0027] Specific, the auxiliary fireproof mechanism includes a mounting frame 17 and a fireproof cloth 18, the mounting frame 17 is embedded in the inside of the mounting groove 16, and the fireproof cloth 18 is fixedly connected to the inner wall of the mounting frame 17; the fireproof cloth 18 is made of silica gel coated glass fiber cloth, when the cover plate 15 rotates by 90 degrees and contacts with the bottom surface of the installation pipeline 1, the sealing property of the installation pipeline 1 is facilitated to be increased due to the effect of the fireproof cloth 18, and smoke is prevented from flowing into the gap between the first fireproof plate 5 and the second fireproof plate 6 and the installation pipeline 1.

[0028] Specific, dismounting piece includes bolt 19, bolt 19 is provided with two, two bolt 19 one end is penetrated to the one side of cover plate 15 by screw thread, and extends to the inside of installation groove 16, and two bolt 19 is installed to the one side of auxiliary fire prevention mechanism by screw thread;Two bolt 19 passes through the inner wall of installation groove 16 and is installed to the one side of mounting bracket 17, by unscrewing two bolt 19, it is convenient to take out mounting bracket 17 from the inside of installation groove 16, so as to facilitate the replacement of fireproof cloth 18.

[0029] The working principle and use process of the utility model: when using, the rotating motor in the self-starting device 2 is connected with the synchronous motor 10, so that when the self-starting device 2 detects that the inside of the installation pipeline 1 reaches the working temperature, the rotating motor in the self-starting device 2 drives the first fireproof plate 5 and the second fireproof plate 6 to rotate counterclockwise by 90 degrees through the two gear boxes 3, so that the first fireproof plate 5 and the second fireproof plate 6 are spliced and fitted with the inner wall of the installation pipeline 1, and the synchronous motor 10 simultaneously starts to drive the connecting rod 4 to rotate clockwise, so that the metal chain 12 is wound through the guide groove 20 and contacts the outer wall of the guide wheel 21 when being wound, so that the guide wheel 21 guides the metal chain 12, so that the metal chain 12 drives the sleeve ring 13 to move upward, and the sleeve ring 13 rotates outside the supporting rod 14, so that the supporting rod 14 drives the cover plate 15 to rotate by 90 degrees and contacts the bottom surface of the installation pipeline 1, due to the effect of the fireproof cloth 18, the sealing property of the installation pipeline 1 is improved, and smoke is prevented from flowing into the gap between the first fireproof plate 5 and the second fireproof plate 6 and the installation pipeline 1, and by unscrewing two bolt 19, it is convenient to take out mounting bracket 17 from the inside of installation groove 16, so as to facilitate the replacement of fireproof cloth 18.

[0030] The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms, and any skilled person in the art can modify or change the above disclosed technical content into equivalent embodiments. However, any simple modification, equivalent change and modification made on the basis of the technical essence of the utility model to the above embodiments still belongs to the protection scope of the utility model technical scheme.

Claims

1. A self-recovery smoke exhaust fire damper, comprising a mounting pipe (1), a self-starting device (2) is mounted on one side of the mounting pipe (1), gear boxes (3) are mounted on both sides of the inner wall of the mounting pipe (1), a gear in the self-starting device (2) is fixedly connected to a gear in one of the gear boxes (3), a first fireproof plate (5) is connected between the two gear boxes (3) through gears, a second fireproof plate (6) is connected between the two gear boxes (3) through gears on the side close to the first fireproof plate (5), and the first fireproof plate (5) and the second fireproof plate (6) are matched with each other, characterized in that: It further comprises a linkage winding mechanism, a rotating mechanism and an auxiliary fireproof mechanism, the linkage winding mechanism is arranged on the outside of the mounting pipe (1) and on one side of the mounting pipe (1), one end of the linkage winding mechanism extends to below the mounting pipe (1), the linkage winding mechanism is electrically connected to the rotating motor in the self-starting device (2), the rotating mechanism is arranged at the bottom end of the mounting pipe (1), the bottom end of the mounting pipe (1) is provided with a guide piece, one end of the linkage winding mechanism penetrates through the guide piece and is connected to the rotating mechanism, and the auxiliary fireproof mechanism is arranged in the rotating mechanism and is provided with a dismounting piece between the auxiliary fireproof mechanism and the rotating mechanism.

2. The smoke exhaust fire damper with self-recovery function according to claim 1, characterized in that: The linkage winding mechanism comprises a connecting rod (4), first auxiliary plates (7), second auxiliary plates (8), a synchronous motor (10), a winding cavity (11) and a metal chain (12), one side of the mounting pipe (1) is fixedly connected with a mounting plate (9) below the self-starting device (2), one end of the synchronous motor (10) is mounted to the inner side of the mounting plate (9), the synchronous motor (10) is electrically connected to the rotating motor in the self-starting device (2), the output end of the synchronous motor (10) is fixedly connected with the connecting rod (4), the connecting rod (4) penetrates through the front side and the rear side of the mounting pipe (1), two first auxiliary plates (7) are fixedly connected to the outer wall of the connecting rod (4), two second auxiliary plates (8) are fixedly connected to the outer wall of the connecting rod (4) on the side close to the two first auxiliary plates (7), a winding cavity (11) is arranged between adjacent first auxiliary plates (7) and second auxiliary plates (8), and a metal chain (12) is fixedly connected to the outer wall of the connecting rod (4) close to the inside of the winding cavity (11).

3. The smoke exhaust fire damper with self-recovery function according to claim 1, characterized in that: The guide piece comprises a guide wheel (21), two guide grooves (20) are formed in the bottom end of the mounting pipe (1), the two guide grooves (20) are symmetrically arranged, and the guide wheel (21) is fixedly connected to the inside of the guide groove (20).

4. The smoke exhaust fire damper with self-recovery function according to claim 1, characterized in that: The rotating mechanism comprises a sleeve ring (13), a support rod (14), a cover plate (15) and a mounting groove (16), the top end of the cover plate (15) is hingedly connected to one side of the bottom end of the mounting pipe (1), the support rod (14) is fixedly connected to the front side and the rear side of the cover plate (15), the sleeve ring (13) is rotatably connected to the outer wall of the support rod (14), and the mounting groove (16) is formed in one side of the cover plate (15).

5. The self-recovery smoke exhaust fire damper according to claim 4, wherein: The auxiliary fireproof mechanism comprises a mounting frame (17) and a fireproof cloth (18), the mounting frame (17) is embedded in the mounting groove (16), and the inner wall of the mounting frame (17) is fixedly connected with the fireproof cloth (18).

6. The self-recovery smoke exhaust fire damper according to claim 4, wherein: The dismounting part comprises bolts (19), two bolts (19) are provided, one end of the two bolts (19) penetrates through one side of the cover plate (15) through threads and extends into the mounting groove (16), and the two bolts (19) are installed on one side of the auxiliary fireproof mechanism through threads.

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