Fire-fighting ventilation and smoke exhaust device

Abstract

A fire-fighting ventilation and smoke exhaust device relates to the technical field of fire-fighting equipment and comprises an upper sliding mechanism and a lower sliding mechanism, a driving motor is mounted on the upper sliding mechanism and connected with a gear, a rack is arranged on the inner wall of an air outlet pipe, the gear is meshed with the rack, the driving motor is connected with a lower connecting rod, and the lower connecting rod is connected with the lower sliding mechanism. The lower connecting rod is rotationally connected to the lower sliding mechanism, the lower sliding mechanism is fixedly connected to the bottom of the air outlet pipe, a sponge sleeve is arranged on the lower connecting rod, and a plurality of bristles are arranged on the sponge sleeve. According to the dust-proof net, thorough cleaning of the surface of the dust-proof net is achieved, and the ventilation and smoke exhaust efficiency is improved. Due to the design of the upper sliding mechanism and the lower sliding mechanism, the whole device can operate stably, and due to the arrangement of the water injection mechanism, the cleaning effect is further improved, and dust can be removed more quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field, specifically, relate to a fire ventilation and smoke exhaust device. BACKGROUND

[0002] The underground garage is provided with a ventilation and smoke exhaust pipeline, which is used for ventilation and air exchange in the underground garage and ensures that the air quality in the garage meets the standard. In case of fire, it is used for smoke exhaust to ensure personnel safety evacuation. Generally, the underground garage smoke exhaust fan is double-speed, and low speed is used for ventilation and air exchange. High speed is used in case of fire. After investigation, the underground garage ventilation and smoke exhaust pipeline operation status is that the underground garage is a closed place, which is easy to accumulate dust, tail gas, water vapor and the like, and adhere to the ventilation and smoke exhaust pipeline.

[0003] Chinese patent CN220338627U discloses a fire smoke exhaust ventilation mechanism, and the dust removal assembly removes dust on the surface of the dustproof net through a threaded screw rod and a dust removal brush. However, this method may not completely remove the dust on the dustproof net, especially when the dust accumulates a lot, the dust removal brush may not completely clean, resulting in blockage of the dustproof net and affecting the ventilation effect. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in the above background art, and further provides a fire ventilation and smoke exhaust device.

[0005] A fire ventilation and smoke exhaust device, comprising an upper sliding mechanism and a lower sliding mechanism, a driving motor is installed on the upper sliding mechanism, an upper horizontal notch is arranged at the top of an air outlet pipe, the output shaft of the driving motor is connected with a gear after penetrating through the upper horizontal notch, a rack is arranged on the inner wall of the air outlet pipe, the gear is engaged with the rack, a lower connecting rod is connected with the output shaft of the driving motor, a lower horizontal notch is formed at the bottom of the air outlet pipe, the lower connecting rod is rotationally connected to the lower sliding mechanism after penetrating through the lower horizontal notch, the lower sliding mechanism is fixedly connected to the bottom of the air outlet pipe, a sponge sleeve is arranged on the lower connecting rod, a plurality of bristles are arranged on the sponge sleeve, and the bristles abut against the inner surface of the dustproof net of the air outlet pipe.

[0006] Further, the upper sliding mechanism comprises two groups of upper sliding assemblies, the upper sliding assembly comprises an upper sliding rail, an upper sliding block is slidingly matched with the upper sliding rail, a connecting plate is fixedly connected to the two upper sliding blocks, and a driving motor is installed on the connecting plate. This design enables the driving motor to stably move on the upper sliding rail, thereby stably cleaning the dustproof net with the lower connecting rod and the sponge sleeve.

[0007] Further, the upper horizontal notch is between the two groups of upper sliding assemblies, so as to ensure that the output shaft of the driving motor can smoothly penetrate through the upper horizontal notch and be connected with the gear.

[0008] In order to support the rotation and movement of the lower connecting rod, the lower sliding mechanism comprises a lower support frame fixedly connected at the bottom of the air outlet pipe, the top of the support frame is provided with a lower sliding rail, a lower sliding block is slidingly matched on the lower sliding rail, a rotating seat is arranged on the lower sliding block, and the lower connecting rod is rotatably connected to the rotating seat. This design enables the lower connecting rod to stably slide and rotate on the lower sliding rail, thereby driving the sponge cover and the bristles to effectively clean the dust screen.

[0009] In order to facilitate the installation and fixation of the lower support frame, the lower support frame comprises a lower center plate, lower side connecting plates are arranged on both sides of the lower center plate, lower horizontal plates are connected to the lower side connecting plates, and the lower horizontal plates can be fixedly connected to the air outlet pipe through bolts. This design enables the lower support frame to be firmly fixed to the air outlet pipe, thereby ensuring the stability and reliability of the entire device.

[0010] Further, the lower sliding rail is fixedly connected to the lower center plate, so as to ensure the stability and reliability of the lower sliding rail.

[0011] In order to further improve the cleaning effect, the connecting plate is further provided with a water injection mechanism. The water injection mechanism comprises a water tank and a micro water pump, the micro water pump is connected with a water pipe, and a spray head is arranged at the end of the water pipe. The spray head is inclined to the sponge cover after penetrating through the upper horizontal slot, so as to spray water to the sponge cover during cleaning.

[0012] Compared with the prior art, the utility model has the advantages that through the cooperation of the driving motor, the gear, the rack, the lower connecting rod, the sponge cover and the bristles, the surface of the dust screen is thoroughly cleaned, and the ventilation and smoke exhaust efficiency is improved. The design of the upper sliding mechanism and the lower sliding mechanism enables the entire device to stably operate, and improves the reliability and service life of the device. The setting of the water injection mechanism further improves the cleaning effect, and makes the dust be removed more quickly. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an installation state schematic view of the utility model;

[0014] Figure 2 It is a front view of the utility model;

[0015] Figure 3 It is Figure 1 It is a local enlarged view of A in the middle;

[0016] Figure 4 It is Figure 1 It is a local enlarged view of B in the middle;

[0017] Figure 5 It is a structure schematic view of the water injection mechanism;

[0018] Wherein: 1 - ventilation duct; 100 - air outlet; 2 - connecting plate; 3 - drive motor; 31 - lower connecting rod; 311 - sponge cover; 312 - bristles; 32 - gear; 33 - rack; 41 - lower slide rail; 42 - lower slide block; 43 - rotating seat; 5 - lower support frame; 51 - lower center plate; 52 - lower side connecting plate; 53 - lower horizontal plate; 61 - water tank; 62 - micro water pump; 63 - water pipe; 64 - spray head; 200 - smoke exhaust fan; 300 - air outlet pipe; 302 - upper horizontal notch; 303 - lower horizontal notch. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only 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 those skilled in the art without creative labor fall within the scope of protection of the utility model. The utility model will be further described in conjunction with the drawings and embodiments:

[0020] As Figures 1-4 shown, a fire ventilation and smoke exhaust device is installed in the air outlet pipe 300 at the end of the ventilation duct 100, wherein the ventilation duct is internally provided with a smoke exhaust fan 200, the end of the ventilation duct is formed with an air outlet, the air outlet is installed with an air outlet pipe, and the smoke exhaust fan is opposite to the air outlet. The above description is prior art and does not contain the technical features of the present application, and will not be explained too much.

[0021] The fire ventilation and smoke exhaust device comprises an upper sliding mechanism and a lower sliding mechanism, the drive motor 3 is installed on the upper sliding mechanism, the top of the air outlet pipe is provided with an upper horizontal notch 302, the output shaft of the drive motor is connected with the gear 32 after penetrating through the upper horizontal notch, the inner wall of the air outlet pipe is provided with the rack 33, the gear is engaged with the rack, the output shaft of the drive motor is connected with the lower connecting rod 31, the bottom of the air outlet pipe is formed with a lower horizontal notch 303, the lower connecting rod is rotationally connected on the lower sliding mechanism after penetrating through the lower horizontal notch, the lower sliding mechanism is fixedly connected on the bottom of the air outlet pipe, the lower connecting rod is provided with a sponge cover 311, the sponge cover is provided with a plurality of bristles 312, and the bristles abut against the inner surface of the dust screen of the air outlet pipe.

[0022] When the drive motor rotates, the gear can be driven to rotate, the lower connecting rod is driven to rotate and move along the upper horizontal notch due to the engagement of the gear and the rack, and at the same time, the smoke exhaust fan needs to be operated at high speed to cooperate with the dust removal effect.

[0023] In at least one embodiment, the upper sliding mechanism comprises two groups of upper sliding assemblies, each of which comprises an upper sliding rail 11, an upper sliding block 12 slidingly fitted on the upper sliding rail, and a connecting plate 2 fixedly connected to the two upper sliding blocks, and a driving motor installed on the connecting plate.

[0024] Further, the upper horizontal notch is located between the two groups of upper sliding assemblies.

[0025] In at least one embodiment, the lower sliding mechanism comprises a lower support frame 5 fixedly connected to the bottom of the air outlet pipe, a lower sliding rail 41 provided at the top of the support frame, a lower sliding block 42 slidingly fitted on the lower sliding rail, a rotating seat 43 provided on the lower sliding block, and a lower connecting rod rotatably connected to the rotating seat.

[0026] Further, the lower support frame comprises a lower center plate 51, lower side connecting plates 52 provided at the two sides of the lower center plate, and a lower horizontal plate 53 connected to the lower side connecting plates, which can be fixedly connected to the air outlet pipe by bolts.

[0027] In the scheme, the lower sliding rail is fixedly connected to the lower center plate.

[0028] In at least one embodiment, as shown in Figure 5 The connecting plate 2 is provided with a water injection mechanism, which comprises a water tank 61 and a micro water pump 62, the micro water pump is connected with a water pipe 63, the end of the water pipe is provided with a spray head 64, and the spray head is obliquely arranged in the sponge sleeve after passing through the upper horizontal notch.

[0029] The spray head can spray water into the sponge sleeve, and when the lower connecting rod rotates, the water can be brought into contact with the surface of the dust screen through the bristles, so that the dust is soaked by the water, and the high-speed blowing of the smoke exhaust fan can accelerate the removal of the dust.

[0030] 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.

Claims

1. A fire ventilation and smoke extraction device, characterized in that The upper sliding mechanism and the lower sliding mechanism are arranged, the driving motor is arranged on the upper sliding mechanism, the top of the air outlet pipe is provided with an upper horizontal notch, the output shaft of the driving motor is connected with a gear after penetrating through the upper horizontal notch, the inner wall of the air outlet pipe is provided with a rack, the gear is engaged with the rack, the output shaft of the driving motor is connected with a lower connecting rod, the bottom of the air outlet pipe is formed with a lower horizontal notch, the lower connecting rod is rotationally connected with the lower sliding mechanism after penetrating through the lower horizontal notch, the lower sliding mechanism is fixedly connected with the bottom of the air outlet pipe, the lower connecting rod is provided with a sponge sleeve, a plurality of bristles are arranged on the sponge sleeve, and the bristles abut against the inner surface of the dust screen of the air outlet pipe.

2. The fire ventilation and smoke extraction apparatus according to claim 1, characterized in that The upper sliding mechanism comprises two groups of upper sliding assemblies, the upper sliding assembly comprises an upper sliding rail, the upper sliding rail is slidably connected with an upper sliding block, two upper sliding blocks are fixedly connected with a connecting plate, and the connecting plate is provided with a driving motor.

3. The fire ventilation and smoke extraction apparatus according to claim 2, characterized in that The upper horizontal notch is arranged between the two groups of upper sliding assemblies.

4. The fire ventilation and smoke extraction apparatus according to claim 1, characterized in that The lower sliding mechanism comprises a lower support frame, the lower support frame is fixedly connected with the bottom of the air outlet pipe, the top of the support frame is provided with a lower sliding rail, the lower sliding rail is slidably connected with a lower sliding block, the lower sliding block is provided with a rotating seat, and the lower connecting rod is rotationally connected with the rotating seat.

5. The fire ventilation and smoke extraction apparatus according to claim 4, characterized in that The lower support frame comprises a lower center plate, the two sides of the lower center plate are provided with lower side connecting plates, the lower side connecting plates are connected with a lower horizontal plate, and the lower horizontal plate can be fixedly connected with the air outlet pipe through bolts.

6. The fire ventilation and smoke extraction apparatus according to claim 5, characterized in that The lower sliding rail is fixedly connected with the lower center plate.

7. The fire ventilation and smoke extraction apparatus according to claim 2, wherein The connecting plate is provided with a water injection mechanism, the water injection mechanism comprises a water tank and a micro water pump, the micro water pump is connected with a water pipe, the end of the water pipe is provided with a spray head, and the spray head penetrates through the upper horizontal notch and is inclined to the sponge sleeve.

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