Electric smoke exhaust air port

Abstract

An electric smoke exhaust port relates to the technical field of fire fighting equipment and comprises a mounting frame, a door sealing baffle is rotatably connected in the mounting frame, a shielding frame is slidably matched in the door sealing baffle, a top plate is arranged at the top of the mounting frame, a driving mechanism is arranged on the top plate, and the driving mechanism can drive the shielding frame to slide along the sealing baffle. And the driving mechanism can drive the door sealing baffle to rotate in the mounting frame. According to the utility model, the structural design is simplified, and only one electric cylinder is adopted as a driving mechanism, so that the rotation of the door sealing baffle and the sliding of the shielding frame can be realized, and the manufacturing cost is effectively controlled; meanwhile, the vertical state of the door sealing baffle is kept through the torsional spring, the smoke exhaust port is flexibly opened and closed through cooperation of the shielding frame and the through hole in the door sealing baffle, the ventilation requirement of a room is met, and the utilization rate and the market application and popularization value of the plate type smoke exhaust port are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field, specifically, an electric smoke exhaust air outlet. BACKGROUND

[0002] The plate type smoke exhaust air outlet is a device used in the smoke exhaust system of a building, which is usually designed in a plate structure and controls the discharge of smoke and the circulation of air by opening or closing. However, the existing plate type smoke exhaust air outlets on the current market have relatively single functions and are limited to the basic function of smoke exhaust, resulting in low utilization rate, especially in rooms without windows or with poor natural ventilation conditions, which often cannot meet the daily ventilation demand.

[0003] Chinese patent CN220083224 U discloses an electric smoke exhaust air outlet, which drives the rotation of the damper baffle through the electric controllers arranged on both sides. At the same time, the internal structure is designed with a moving communication mechanism of the inner baffle and the damper baffle, so that when ventilation is needed, the flexible opening and closing of the air outlet can be realized through electric control, thereby effectively meeting the ventilation demand of the room. However, although this electric smoke exhaust air outlet has achieved significant improvement in function, its structure design is relatively complex and requires the configuration of two electric controllers and an electric cylinder to work together. Such configuration not only increases the manufacturing cost of the product, but also limits its popularization and application in the market to some extent.

[0004] Therefore, how to simplify the structure design and reduce the cost while maintaining the functional advantages has become an important direction for the future development of plate type smoke exhaust air outlet technology. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in the above background art and further provides an electric smoke exhaust air outlet.

[0006] The utility model solves the technical problems by adopting the following technical scheme:

[0007] An electric smoke exhaust air outlet, comprising a mounting frame, a door baffle is rotationally connected in the mounting frame, a shielding frame is slidingly matched in the door baffle, a top plate is arranged on the top of the mounting frame, a driving mechanism is arranged on the top plate, the driving mechanism can drive the shielding frame to slide along the door baffle, and the driving mechanism can drive the door baffle to rotate in the mounting frame.

[0008] Further, a groove is arranged on the mounting frame, and semicircular rubber blocks matched with the groove are arranged on the top and bottom of the door baffle.

[0009] Further, a rotating shaft is arranged on each side of the door baffle, and the rotating shaft is rotationally connected to the inner wall of the mounting frame.

[0010] Further, the rotating shaft is sleeved with a torsion spring, one end of the torsion spring is fixedly connected to the door baffle, and the other end is fixedly connected to the mounting frame.

[0011] Further, the door baffle can be kept in a vertical state in the mounting frame under the action of the torsion spring.

[0012] Further, an installation groove is formed in the door baffle, a shielding frame is slidingly fitted in the installation groove, a flexible spring is arranged between the inner wall of the installation groove and the shielding frame, a winding wheel is mounted on the door baffle, a traction rope is connected to the lower end of the shielding frame, and the traction rope is connected to the driving mechanism after winding around the winding wheel.

[0013] Further, the driving mechanism is an electric cylinder.

[0014] Further, the top plate is provided with a hinge seat, an electric cylinder is rotatably connected to the hinge seat, and a traction rope is connected to the telescopic rod of the electric cylinder.

[0015] Further, limit plates are arranged on both sides of the installation groove, and the limit plates can limit the sliding of the shielding frame along the installation groove.

[0016] Further, a plurality of outer through holes are arranged on the door baffle, and inner through holes matched with the outer through holes are arranged on the shielding frame.

[0017] Further, support plates are arranged on the door baffle, and a winding wheel is rotatably connected between the two support plates.

[0018] Compared with the prior art, the beneficial effects of the utility model are that: the utility model simplifies the structure design, only uses an electric cylinder as a driving mechanism, realizes the rotation of the door baffle and the sliding of the shielding frame, effectively controls the manufacturing cost, utilizes the torsion spring to keep the vertical state of the door baffle, and realizes the flexible opening and closing of the smoke exhaust air outlet by matching the through holes on the shielding frame and the door baffle, meets the ventilation demand of the room, improves the utilization rate of the plate type smoke exhaust air outlet, and improves the market promotion and application value. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the first use state of the utility model;

[0020] Figure 2 It is a structure schematic view of the first use state of the utility model; Figure 1 It is a local enlarged view of A in the middle;

[0021] Figure 3 It is a structure schematic view of the second use state of the utility model;

[0022] Figure 4 It is a structure schematic view of the utility model when the driving mechanism is removed;

[0023] Figure 5 Structure diagram of the door closing baffle;

[0024] Wherein: 100 mounting frame, 101 groove, 1 rotating shaft, 11 torsional spring, 2 door closing baffle, 21 semicircular rubber block, 22 support plate, 23 winding wheel, 24 traction rope, 201 mounting slot, 202 outer through hole, 3 top plate, 31 hinged seat, 4 driving mechanism, 41 telescopic rod, 5 shielding frame, 51 inner through hole, 52 flexible spring, 53 limiting plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. The present application is further illustrated in conjunction with the drawings and embodiments:

[0026] As Figures 1-5 shown, an electric smoke exhaust air port, comprising a mounting frame 100, the mounting frame 100 can adopt aluminum alloy or stainless steel material, to improve its corrosion resistance and structural strength. The size can be customized according to the actual installation demand, to ensure perfect matching with the building smoke exhaust system. The mounting frame is rotatably connected with a door closing baffle 2, the door closing baffle is slidably connected with a shielding frame 5, the mounting frame top is provided with a top plate 3, the top plate is provided with a driving mechanism 4, the driving mechanism can drive the shielding frame to slide along the door closing baffle, and the driving mechanism can drive the door closing baffle to rotate in the mounting frame.

[0027] In at least one embodiment, the mounting frame is provided with a groove 101, and the door closing baffle top and bottom are provided with semicircular rubber blocks 101 matched with the groove. The semicircular rubber blocks 101 can adopt high wear-resistant and high elastic silicone or nitrile rubber material, to improve its sealing performance and durability. The size and shape can be customized according to the design of the groove 101, to ensure close cooperation.

[0028] The scheme is refined, and each of the two sides of the door closing baffle is provided with a rotating shaft 1, which is rotatably connected to the inner wall of the mounting frame. The rotating shaft 1 can adopt stainless steel or carbon steel material, to ensure its carrying capacity and corrosion resistance. At the same time, the connection between the rotating shaft and the inner wall of the mounting frame can adopt bearing or copper bushing or other friction reducing parts, to reduce the rotating friction.

[0029] Further, a torsional spring 11 is sleeved on the rotating shaft, one end of the torsional spring is fixedly connected to the door baffle, and the other end is fixedly connected to the mounting frame. The elastic force and the number of turns of the torsional spring 11 can be customized according to the weight and the rotating angle of the door baffle 2, so that the door baffle can be reliably kept in the vertical state. Meanwhile, the surface of the torsional spring can be galvanized or plastic-sprayed to improve the corrosion resistance.

[0030] The scheme is refined, and the door baffle can be kept in a vertical state in the mounting frame under the action of the torsional spring. The door baffle 2 can be made of steel plate or aluminum alloy plate, and the thickness and size of the door baffle 2 can be customized according to actual smoke exhaust requirements, so that the door baffle can withstand the pressure and temperature of flue gas. Meanwhile, the surface of the door baffle can be plastic-sprayed or baked to improve the appearance and corrosion resistance.

[0031] In at least one embodiment, a mounting groove 201 is formed in the door baffle, a shielding frame is slidingly fitted in the mounting groove, a flexible spring 52 is arranged between the inner wall of the mounting groove and the shielding frame, a winding wheel 23 is mounted on the door baffle, a traction rope 24 is connected to the lower end of the shielding frame, and the traction rope is connected to the driving mechanism after winding around the winding wheel. The traction rope 24 can be made of aramid fiber rope or steel wire rope that is resistant to high temperature and wear to improve the carrying capacity and durability.

[0032] Further, the driving mechanism is an electric cylinder. The stroke and thrust of the electric cylinder can be customized according to the rotating and sliding requirements of the door baffle 2 and the shielding frame 5, so that the electric cylinder can reliably drive them to move. Meanwhile, the electric cylinder can be equipped with a limit switch or a sensor to detect the movement position and prevent overtravel.

[0033] Further, the top plate is provided with a hinge seat 31, an electric cylinder is rotatably connected to the hinge seat, and a traction rope is connected to the telescopic rod 41 of the electric cylinder.

[0034] Further, limit plates 53 are arranged on both sides of the mounting groove, and the limit plates can limit the sliding of the shielding frame along the mounting groove. The thickness and position of the limit plates 53 can be customized according to the sliding requirements of the shielding frame 5 and the size of the mounting groove 201, so that the limit plates can reliably limit the sliding range of the shielding frame.

[0035] Further, a plurality of outer through holes 202 are arranged on the door baffle, and a plurality of inner through holes 51 that match the outer through holes are arranged on the shielding frame. The outer through holes 202 and the inner through holes 51 can be designed in circular, square or rectangular shapes to meet different ventilation and smoke exhaust effects. Meanwhile, the edges of the through holes can be chamfered or deburred to improve the safety and aesthetics.

[0036] Further, the sealing door baffle is provided with a support plate 22, and a winding wheel is rotatably connected between the two support plates.

[0037] In the working mode, the sealing door baffle is kept in the vertical state under the action of the torsional spring, and the semicircular rubber block is matched with the groove on the mounting frame to provide additional friction and stability.

[0038] When air ventilation is needed, the electric cylinder is started, the telescopic rod of the electric cylinder pulls the traction rope, the traction rope is connected to the shielding frame through the winding wheel. The traction rope pulls the shielding frame to slide downward in the mounting groove and compresses the flexible spring. The inner through hole of the shielding frame is aligned with the outer through hole of the sealing door baffle, and air circulation is allowed. Due to the friction, the sealing door baffle is kept in the vertical state and does not rotate around the mounting frame.

[0039] When an emergency such as fire occurs and smoke needs to be discharged, the telescopic rod of the electric cylinder is pulled back by a large distance. This action not only makes the shielding frame slide further (if it has not been completely opened), but also overcomes the force of the torsional spring and the friction between the rubber block and the groove. The sealing door baffle rotates around the rotating shaft from the vertical state to the horizontal state, completely opens the air port, and facilitates the rapid discharge of smoke.

[0040] After the emergency is over, the sealing door baffle is restored to the vertical state under the action of the torsional spring by reversing the operation of the electric cylinder. The shielding frame also returns to the initial position under the action of the flexible spring, shields the through hole, and restores the closed state.

[0041] The above shows and describes the basic principles, main features and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An electrically powered smoke vent, characterised in that, The utility model provides a door sealing baffle and shielding frame, which are connected to each other, and the door sealing baffle is rotatably connected to a mounting frame, and the shielding frame is slidably connected to the door sealing baffle.

2. The electric smoke exhaust air inlet according to claim 1, characterized in that The mounting frame is provided with a groove, and the top and bottom of the door sealing baffle are each provided with a semicircular rubber block matched with the groove.

3. The electric smoke exhaust air inlet according to claim 1 or 2, characterized in that The door sealing baffle is provided with a rotating shaft on each side, and the rotating shaft is rotatably connected to the inner wall of the mounting frame.

4. The electric smoke exhaust air inlet according to claim 3, characterized in that A torsional spring is sleeved on the rotating shaft, one end of the torsional spring is fixedly connected to the door sealing baffle, and the other end is fixedly connected to the mounting frame.

5. The electric smoke exhaust air inlet according to claim 4, characterized in that The door sealing baffle can keep a vertical state in the mounting frame under the action of the torsional spring.

6. The electric smoke exhaust air inlet of claim 4, wherein, The door sealing baffle is provided with a mounting groove, the shielding frame is slidably connected to the mounting groove, a flexible spring is arranged between the inner wall of the mounting groove and the shielding frame, a winding wheel is arranged on the door sealing baffle, the lower end of the shielding frame is connected to a traction rope, and the traction rope is connected to the driving mechanism after winding around the winding wheel.

7. The electric smoke exhaust air inlet of claim 6, wherein The driving mechanism is an electric cylinder, the bottom of the top plate is provided with a hinged seat, the hinged seat is rotatably connected to the electric cylinder, and the traction rope is connected to the telescopic rod of the electric cylinder.

8. The electric smoke exhaust air inlet of claim 6, wherein, The mounting groove is provided with a limiting plate on each side, and the limiting plate can limit the sliding of the shielding frame along the mounting groove.

9. The electric smoke exhaust air inlet of claim 6, wherein, The door sealing baffle is provided with a plurality of outer through holes, and the shielding frame is provided with inner through holes matched with the outer through holes.

10. The electric smoke exhaust air inlet of claim 6, wherein, The door sealing baffle is provided with a support plate, and the two support plates are rotatably connected to the winding wheel.

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