Speed-adjustable smoke exhaust fireproof valve

Abstract

The utility model relates to the technical field of smoke exhaust fire resisting dampers, in particular to a speed-adjustable smoke exhaust fire resisting damper which comprises a shell, a plurality of baffles are arranged in the shell, connecting frames are symmetrically arranged at the top ends and the bottom ends of the baffles, cavities are symmetrically formed in the connecting frames, the connecting frames are connected with rotating assemblies, and the rotating assemblies are connected with the speed-adjustable smoke exhaust fire resisting damper. An operation box is arranged at the top end of the outer portion of the shell, a displacement assembly is arranged in the operation box and connected with a fixing frame, a fixing cylinder is arranged on the fixing frame, a scraping plate is arranged in the fixing frame, a filtering plate is arranged in the shell, and collecting boxes are symmetrically arranged on the two sides of the filtering plate. By means of the structure of a fixing frame, a fixing cylinder, a scraping plate, a filtering plate, a collecting box, a limiting rod, a limiting plate, a compressed spring and a pulling plate, the problems that in the device, the scraping plate and a baffle cannot be rapidly replaced, the scraping plate and the baffle can be abraded to a certain degree after being used for a long time, and the fireproof and filtering effects are affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of smoke exhaust fire damper, concretely is a speed -adjustable smoke exhaust fire damper. BACKGROUND

[0002] The smoke exhaust fire damper is a fire-fighting component, which is generally installed on the pipeline of a mechanical smoke exhaust system, and is in an open state in normal times, opens the smoke exhaust when a fire occurs, and closes when the smoke gas temperature in the smoke exhaust pipeline reaches 280 degrees, and meets the smoke leakage amount and fire resistance integrity requirements within a certain time, thereby playing a role of smoke isolation and fire resistance.

[0003] And the application file with the publication number CN220228019U mentions a smoke exhaust fire damper with a speed regulation function. When in use, the first motor works to drive the rotating shaft to rotate, further rotating the sector gear, thereby driving the front rack gear to transmit, driving the transmission rod to transmit forward. At this time, the sliding block slides in the sliding groove to ensure the stability of the transmission rod transmission. The transmission rod drives the rear rack gear to transmit forward, driving the transmission gear to rotate, further driving the transmission shaft to rotate, thereby driving the baffle to deflect, achieving the function of adjusting the angle of the baffle, thereby controlling the size of the smoke exhaust port, achieving the effect of regulating the smoke exhaust speed. It needs to be noted that when the sector gear drives the front rack gear to the right end, the rear rack gear drives the transmission gear to rotate, and the multiple baffles deflect, achieving the maximum ventilation efficiency. When the first motor reverses, the multiple baffles reverse, and the multiple baffles are in the same plane, blocking the ventilation port, achieving the fireproof effect. The filter screen filters the exhaust smoke. The second motor works to drive the rotating shaft and the screw rod to rotate, driving the transmission block to transmit, so that the scraper rod scrapes the dust particles on the surface of the filter screen, and the dust particles fall into the dust collection box. Finally, by pulling the handle, the fixed block slides in the movable groove, and the dust collection box is taken out, the dust is concentrated and poured, achieving the function of filtering the dust particles in the smoke, protecting the environment. However, there are still some defects that need to be optimized, and the specific defects are as follows: the scraper and the baffle in the device cannot be quickly replaced, and after long-term use, the scraper and the baffle will be worn to a certain extent, affecting the fireproof and filtering effect.

[0004] Therefore, it is particularly important to design a speed-adjustable smoke exhaust fire damper to change the above technical defects and improve the overall practicality. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a speed-adjustable smoke exhaust fire damper to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a adjustable speed fume discharge fire valve, including the casing, the inside of casing is equipped with a plurality of baffle, the top of baffle and bottom symmetry is equipped with the connecting frame, the inside of connecting frame symmetry is equipped with the cavity, connecting frame connects rotating component, the outside top of casing is equipped with operation box, the inside of operation box is equipped with displacement component, displacement component connects fixed frame, be equipped with fixed cylinder on fixed frame, the inside of fixed frame is equipped with scraper, the inside of casing is equipped with filter board, both sides of filter board symmetry is equipped with collection box,

[0008] The inside of the cavity and the fixed cylinder is respectively provided with a limiting rod, the outside of the limiting rod is provided with a compression spring, one side of the compression spring is provided with a limiting plate, and one end of the limiting rod is provided with a pull plate.

[0009] As a preferred scheme of the utility model, the baffle and the connecting frame are adapted to each other in an embedded connection, and limiting holes are symmetrically arranged on the two side surfaces of the baffle, the limiting holes and the limiting rods are adapted to each other, and a rubber cushion is arranged on the bottom of the baffle.

[0010] As a preferred scheme of the utility model, the inside of the cavity is provided with a plugging end for closing the cavity, one side surface of the connecting frame close to the bottom surface of the casing is provided with a rotating shaft, and the rotating shaft and the casing are connected through a bearing seat.

[0011] As a preferred scheme of the utility model, the top of the casing is provided with a fixed box, the rotating component comprises a sector gear, a driving motor, a mounting seat, a gear strip, and a transmission gear, the output end of the driving motor is connected with the sector gear through a key, the mounting seat and the inner side wall of the fixed box are fixedly connected, the gear strip comprises a full gear rack and a half gear rack, the full gear rack is adapted to the transmission gear, the half gear rack is adapted to the sector gear, the transmission gear is provided in four groups, the transmission gear is provided with a transmission shaft, the transmission shaft is connected with the connecting frame located at the top inner side of the casing, the other side surface of the transmission gear is provided with a rotating shaft, the rotating shaft and the casing are connected through a bearing seat, and the inside of the gear strip is provided with a sliding block, and the gear strip can slide along the length direction of the sliding block.

[0012] As a preferred scheme of the utility model, the displacement component comprises a lead screw, a motor, and a lead screw nut, the lead screw is connected with the motor through a shaft coupling, one end of the lead screw nut is connected with the operation box through a bearing seat, and the lead screw nut is connected with the fixed frame.

[0013] As a preferred scheme of the utility model, the bottom of the collection box is provided with a sliding block, the inside of the casing is provided with a sliding groove adapted to the sliding block, and the filter board and the casing are connected through bolts.

[0014] As the preferred scheme of the utility model, the scraper is equipped with the positioning hole for adapting with the limiting rod, the limiting plate is fixedly connected between the limiting rod, one end of the compression spring is fixedly connected between the cavity and the fixed cylinder, and the limiting rod is arranged through the cavity and the fixed cylinder.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] In the utility model, the adjustable speed smoke exhaust fire valve is set up, the fixed frame, the fixed cylinder, the scraper, the filter plate, the collecting box, the limiting rod, the limiting plate, the compression spring and the pull plate are used, the scraper is set up for cleaning the filter plate, the scraper is equipped with the positioning hole, the scraper is matched with the limiting rod for installing and dismounting the scraper, the baffle is set up for adjusting the smoke exhaust speed, the limiting hole is equipped on the baffle, the limiting hole is matched with the limiting rod for controlling the installation and dismounting of the baffle, the scraper and the baffle cannot be quickly replaced in the device, the scraper and the baffle are all worn to a certain extent after long time use, and the problem of affecting the fire prevention and filtering effect is solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure diagram of the utility model as a whole;

[0018] Figure 2 It is the schematic view of the baffle assembly of the utility model;

[0019] Figure 3 It is the schematic view of the scraper assembly of the utility model;

[0020] Figure 4 It is the schematic view of the limiting rod assembly of the utility model.

[0021] In the drawing: 1, shell;101, baffle;102, connecting frame;103, cavity;2, rotating assembly;201, sector gear;202, driving motor;203, mounting seat;204, gear strip;205, transmission gear;3, operation box;301, displacement assembly;302, fixed frame;303, fixed cylinder;304, scraper;305, filter plate;306, collecting box;4, limiting rod;401, compression spring;402, limiting plate;403, pull plate. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, rather than all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.

[0023] For the purpose of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. Several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present application is more complete and thorough.

[0024] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein, the terms "vertical", "horizontal", "left", "right", and the like are merely used for the purpose of illustration.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0026] Embodiments, please refer to Figures 1-4 The present application provides a technical solution:

[0027] The adjustable speed smoke exhaust fire valve, including the casing 1, the inside of casing 1 is equipped with several baffle 101, the top end of baffle 101 is equipped with the connecting frame 102 with the bottom end symmetry, the inside of connecting frame 102 is equipped with the cavity 103 with symmetry, connecting frame 102 connects rotating assembly 2, the outside top end of casing 1 is equipped with operating box 3, the inside of operating box 3 is equipped with displacement assembly 301, displacement assembly 301 connects fixed frame 302, fixed frame 302 is equipped with fixed cylinder 303, the inside of fixed frame 302 is equipped with scraper 304, the inside of casing 1 is equipped with filter plate 305, the both sides of filter plate 305 are equipped with collection box 306 with symmetry, the inside of cavity 103, fixed cylinder 303 is equipped with limit rod 4 respectively, the outside of limit rod 4 is equipped with compression spring 401, the side of compression spring 401 is equipped with limit plate 402, the one end of limit rod 4 is equipped with pull plate 403, through the drive motor 202 start, its output end drives the rotation of sector gear 201, sector gear 201 is engaged with half rack after, through the cooperation of transmission gear 205 and full rack, drive connecting frame 102 and the baffle 101 on it rotate control baffle 101 horizontal direction's angle adjustment, to control the size of smoke exhaust fire valve's opening, realize the speed regulation function, the displacement assembly 301 in operating box 3 drive fixed frame 302 and the scraper 304 on it reciprocating motion, the impurity accumulated on filter plate 305 is cleaned in the moving process of scraper 304, the impurity is collected in the collection box 306 on both sides, simultaneously when needing to clean or replace collection box 306, can easily pull collection box 306, from casing 1 extract and handle when needing to replace baffle 101 or scraper 304, only need to pull pull plate 403, limit plate 402 and limit rod 4 movement extrude compression spring 401 at this time, make limit rod 4 and positioning hole, limit hole between the disengagement, can detach scraper 304, baffle 101;

[0028] The baffle plate 101 is embeddedly connected with the connecting frame 102, and the two side faces of the baffle plate 101 are symmetrically provided with limiting holes which are matched with limiting rods 4, the bottom of the baffle plate 101 is provided with rubber soft pads, the positions of the baffle plate 101 are fixed through the cooperation between the limiting holes on the two side faces of the baffle plate 101 and the limiting rods 4, the inside of the cavity 103 is provided with a blocking end for closing the cavity 103, the side face of the connecting frame 102 close to the bottom face of the shell 1 is provided with a rotating shaft which is connected with the shell 1 through a bearing seat and is convenient to rotate following the driving of the sector gear, the top of the shell 1 is provided with a fixed box, the rotating assembly 2 comprises a sector gear 201, a driving motor 202, a mounting seat 203, a gear strip 204 and a transmission gear 205, the output end of the driving motor 202 is keyed connected with the sector gear 201, the mounting seat 203 is fixedly connected with the inside side wall of the fixed box, the gear strip 204 comprises a full gear rack and a half gear rack, the full gear rack is matched with the transmission gear 205, and the half gear rack is matched with the sector gear 201, the transmission gear 205 is provided in four groups, the transmission gear 205 is provided with a transmission shaft which is connected with the connecting frame 102 located at the inside top of the shell 1, the other side face of the transmission gear 205 is provided with a rotating shaft which is connected with the shell 1 through a bearing seat, the inside of the gear strip 204 is provided with a sliding block, the gear strip 204 can slide along the length direction of the sliding block, and it is convenient to drive the baffle plate 101 to rotate, the displacement assembly 301 comprises a lead screw, a motor and a lead screw nut, the lead screw is connected with the motor through a shaft coupling, one end of the lead screw nut is connected with the operation box 3 through a bearing seat, the lead screw nut is connected with the fixed frame 302, and it is convenient to control the scraper to reciprocate, the bottom of the collecting box 306 is provided with a sliding block, the inside of the shell 1 is provided with a sliding groove matched with the sliding block, the filter plate 305 is connected with the shell 1 through bolts, it is convenient to transfer the collecting box 306 for treatment, the scraper 304 is provided with positioning holes matched with the limiting rods 4, the limiting plate 402 is fixedly connected with the limiting rods 4, one end of the compression spring 401 is fixedly connected with the cavity 103 and the fixed cylinder 303 respectively, and the limiting rod 4 penetrates through the cavity 103 and the fixed cylinder 303, and the limiting rod is matched with the positioning holes on the scraper, so that the position of the scraper is fixed.

[0029] The utility model discloses a working procedure: when using the adjustable speed smoke exhaust fire damper, first through the drive motor 202 start, its output end drives the sector gear 201 rotation, the sector gear 201 is engaged with half rack after, through the cooperation of transmission gear 205 and full rack, drive connection frame 102 and its on baffle 101 rotation control baffle 101 horizontal direction's angle adjustment, thereby control the opening size of smoke exhaust fire damper, realize the speed regulation function, the displacement component 301 in operating box 3 drive fixed frame 302 and its on squeegee 304 carry out reciprocating motion, and the squeegee 304 cleans the impurity accumulated on filter plate 305 in the moving process, and the impurity is collected to the collecting box 306 in both sides, simultaneously when needing cleaning or replacing collecting box 306, can easily pull collecting box 306, and it is extracted from shell 1 and handles when needing replacing baffle 101 or squeegee 304, only need to pull the pull plate 403, and the limiting plate 402 and limiting rod 4 movement extrude the pressure spring 401 at this time, make limiting rod 4 and positioning hole, limiting hole between the disengagement, can dismantle squeegee 304, baffle 101.

[0030] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A speed-adjustable smoke exhaust fire damper comprising a housing (1), characterized in that: The inside of the shell (1) is provided with a plurality of baffles (101), the top end and the bottom end of the baffle (101) are symmetrically provided with a connecting frame (102), the inside of the connecting frame (102) is symmetrically provided with a cavity (103), the connecting frame (102) is connected with a rotating assembly (2), the outside top end of the shell (1) is provided with an operation box (3), the inside of the operation box (3) is provided with a displacement assembly (301), the displacement assembly (301) is connected with a fixed frame (302), the fixed frame (302) is provided with a fixed cylinder (303), the inside of the fixed frame (302) is provided with a scraper (304), the inside of the shell (1) is provided with a filter plate (305), the two sides of the filter plate (305) are symmetrically provided with a collection box (306). The inside of the cavity (103) and the fixed cylinder (303) is respectively provided with a limiting rod (4), the outside of the limiting rod (4) is provided with a compression spring (401), one side of the compression spring (401) is provided with a limiting plate (402), one end of the limiting rod (4) is provided with a pull plate (403).

2. A variable speed smoke control damper according to claim 1, wherein: The baffle (101) and the connecting frame (102) are matched and embeddedly connected, the two side faces of the baffle (101) are symmetrically provided with limiting holes, the limiting holes are matched with the limiting rods (4), and the bottom of the baffle (101) is provided with a rubber cushion.

3. A variable speed smoke control damper according to claim 1, wherein: The inside of the cavity (103) is provided with a blocking end, which is used for closing the cavity (103), one side of the connecting frame (102) close to the bottom surface of the shell (1) is provided with a rotating shaft, and the rotating shaft and the shell (1) are connected through a bearing seat.

4. A smoke control fire damper of variable speed according to claim 1, wherein: The top of the shell (1) is provided with a fixed box, the rotating assembly (2) comprises a sector gear (201), a driving motor (202), a mounting seat (203), a gear strip (204) and a transmission gear (205), the output end of the driving motor (202) is connected with the sector gear (201) through a key, the mounting seat (203) is fixedly connected with the inside side wall of the fixed box, the gear strip (204) comprises a full rack and a half rack, the full rack is matched with the transmission gear (205), the half rack is matched with the sector gear (201), the transmission gear (205) is provided in four groups, the transmission gear (205) is provided with a transmission shaft, the transmission shaft is connected with the connecting frame (102) located at the inside top of the shell (1), the other side face of the transmission gear (205) is provided with a rotating shaft, the rotating shaft and the shell (1) are connected through a bearing seat, and the inside of the gear strip (204) is provided with a sliding block.

5. A variable speed smoke control damper according to claim 1, wherein: The displacement assembly (301) comprises a lead screw, a motor and a lead screw nut, the lead screw is connected with the motor through a shaft coupling, one end of the lead screw nut is connected with the operation box (3) through a bearing seat, and the lead screw nut is connected with the fixed frame (302).

6. A variable speed smoke control damper according to claim 1, wherein: The bottom of the collecting box (306) is provided with a sliding block, and the inside of the shell (1) is provided with a sliding groove matched with the sliding block.

7. A variable speed smoke control damper according to claim 1, wherein: The scraper (304) is provided with a positioning hole matched with the limiting rod (4), the limiting plate (402) is fixedly connected with the limiting rod (4), and one end of the compression spring (401) is fixedly connected with the cavity (103) and the fixed cylinder (303). The limiting rod (4) penetrates the cavity (103) and the fixed cylinder (303).

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