Chemical safety ventilation device convenient to clean

Abstract

The utility model discloses a chemical safety ventilation device convenient to clean, and relates to the technical field of ventilation devices, the chemical safety ventilation device comprises a machine body and a one-way rotating mechanism, one side of the machine body is fixedly connected with a dustproof net, a motor is installed in the machine body, and one side of the motor is fixedly provided with a plurality of sets of fan blades; a one-way rotating mechanism is arranged at one end of the motor and comprises a connecting block fixedly connected with one end of the motor. According to the chemical safety ventilation device convenient to clean, a motor is started to rotate reversely, at the moment, the motor drives fan blades to rotate reversely, the fan blades which rotate reversely suck in external air and blow a dustproof net, meanwhile, the motor drives a one-way rotating mechanism to rotate, and the one-way rotating mechanism drives a transmission mechanism to start to move; and the connecting rod swings in a reciprocating manner to drive the cleaning brush to clean the dust screen on one side in a swinging manner.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation device technical field, concretely is a chemical industry safety ventilation device of convenient cleaning. BACKGROUND

[0002] The chemical plant usually produces flammable and explosive toxic harmful gas in the production process. In order to ensure the normal operation of production and ensure the working environment of the occupational health safety of operating personnel, the normal ventilation in the plant is needed. In order to prevent the harmful gas produced in the production process from diffusing to other space, the ventilation device is needed to discharge the harmful gas.

[0003] When producing in the chemical plant, in order to prevent the toxic gas from staying in the plant for a long time, the ventilation device is needed to ventilate the plant, the dust screen on one side of the existing ventilation device needs to be cleaned after long-term use, prevents dust from piling up and causing poor ventilation, when cleaning, the cleaning brush is reciprocated by the driving device, thereby the dust screen is cleaned, but this cleaning form is single, the dust screen is difficult to clean effectively, and when cleaning, the dust is scattered into small particles, thereby passing through the dust screen and entering the ventilation device, affecting the cleaning of internal components. UTILITY MODEL CONTENTS

[0004] The utility model discloses a chemical industry safety ventilation device convenient to clean, to solve the problem that the existing ventilation device is difficult to clean the dust screen effectively proposed in the above background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a chemical industry safety ventilation device convenient to clean, it includes: machine body and one-way rotation mechanism, one side of machine body is connected with dust screen fixedly, the inside installation of machine body has motor, one side of motor is fixed with a plurality of fan blades,

[0006] One end of motor is provided with one-way rotation mechanism, one-way rotation mechanism includes the connecting block fixed connection with one end of motor, the inside of connecting block is inserted with connecting shaft a, one end of connecting shaft a is fixedly connected with drive gear, the bottom of drive gear is provided with transmission mechanism, the side of machine body near dust screen is connected with connecting rod through pivot, the inside of connecting rod is rotatably connected with connecting shaft b through bearing, one end of connecting shaft b is fixedly connected with cleaning brush, the other end of connecting shaft b is fixedly connected with two groups of fixed blocks, and one side of two groups of fixed blocks is fixed with spring b.

[0007] Preferably, the cleaning brush is arranged on one side of the dust screen, one end of the spring b is fixedly connected with the connecting rod, the dust screen is in the shape of a fan, two groups of protrusions are fixedly connected to one side of the machine body near the dust screen, and the protrusions are located on both sides of the top of the dust screen.

[0008] Preferably, the inside of the connecting shaft a is fixed with a spring a, one end of the spring a is fixedly connected with a clamping block, the inside of the connecting block is provided with a ratchet groove, and the ratchet groove is clamped with the clamping block, the outside of the clamping block is slidably connected with the connecting shaft a, and the outside of the connecting shaft a is movably connected with the body through a bearing.

[0009] Preferably, the transmission mechanism comprises a driven gear movably connected with the body through a rotating shaft, and the outside of the driven gear is meshedly connected with the driving gear.

[0010] Preferably, one side of the driven gear is fixedly connected with a synchronous wheel a, the outside of the synchronous wheel a is sleeved with a synchronous belt, and one side of the synchronous belt is sleeved with a synchronous wheel b.

[0011] Preferably, the outside of the synchronous belt penetrates through the body, one side of the synchronous wheel b is fixedly connected with a connecting disc, and one side of the connecting disc is fixedly connected with a pushing shaft.

[0012] Preferably, the bottom of the connecting rod is provided with a strip-shaped groove, and the strip-shaped groove is slidably connected with the pushing shaft.

[0013] Compared with the prior art, the cleaning convenient chemical safety ventilation device has the beneficial effects that when the dust screen is cleaned, the motor is started to reverse, at this time, the motor drives the fan blades to also reverse, the reversed fan blades can suck the external air and blow the dust screen, at the same time, the motor drives the one-way rotating mechanism to rotate, the one-way rotating mechanism drives the transmission mechanism to start to move, so that the connecting rod reciprocating swings, and the cleaning brush swings to clean the dust screen on one side, so that the dust screen of the chemical safety ventilation device can be quickly cleaned through the above operation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic view of the utility model;

[0015] Figure 2 It is a three-dimensional sectional schematic view of the utility model;

[0016] Figure 3 It is a three-dimensional sectional schematic view of the connecting block of the utility model;

[0017] Figure 4 It is a three-dimensional schematic view of the one-way rotating mechanism of the utility model;

[0018] Figure 5 It is a three-dimensional sectional schematic view of the connecting rod of the utility model.

[0019] In the figure: 1, the body; 2, dust screen; 3, motor; 4, fan blade; 5, one-way rotation mechanism; 501, connecting block; 502, connecting shaft a; 503, spring a; 504, clamping block; 505, ratchet groove; 6, drive gear; 7, transmission mechanism; 701, driven gear; 702, synchronous wheel a; 703, synchronous belt; 704, synchronous wheel b; 705, connecting disc; 706, push shaft; 8, connecting rod; 9, connecting shaft b; 10, cleaning brush; 11, fixed block; 12, spring b; 13, strip slot; 14, protruding block. DETAILED DESCRIPTION

[0020] 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 protection scope of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a chemical safety ventilation device of convenient cleaning, it include: body 1 and one-way rotation mechanism 5, the side fixedly connected with dust screen 2 of body 1, the inside installation of body 1 is equipped with motor 3, the side of motor 3 is fixed with multiple fan blades 4,

[0022] The one-way rotation mechanism 5 is arranged at one end of the motor 3, and the one-way rotation mechanism 5 includes a connecting block 501 fixedly connected to one end of the motor 3, a connecting shaft a 502 inserted into the connecting block 501, a drive gear 6 fixedly connected to one end of the connecting shaft a 502, a transmission mechanism 7 arranged at the bottom of the drive gear 6, a connecting rod 8 movably connected to one side of the body 1 close to the dust screen 2 through a rotating shaft, a connecting shaft b 9 movably connected to the inside of the connecting rod 8 through a bearing, a cleaning brush 10 fixedly connected to one end of the connecting shaft b 9, and two fixed blocks 11 fixedly connected to the other end of the connecting shaft b 9.

[0023] The cleaning brush 10 is arranged at one side of the dust screen 2, one end of the spring b12 is fixedly connected with the connecting rod 8, the dust screen 2 is in the shape of a fan, two groups of protrusions 14 are fixedly connected with the body 1 close to the dust screen 2, and the protrusions 14 are located at two sides of the top of the dust screen 2, the connecting rod 8 forms a rotating structure with the body 1 through a rotating shaft; the inside of the connecting shaft a502 is fixedly connected with the spring a503, one end of the spring a503 is fixedly connected with the clamping block 504, the inside of the connecting block 501 is provided with the ratchet groove 505, and the ratchet groove 505 is clamped with the clamping block 504, the outside of the clamping block 504 is slidably connected with the connecting shaft a502, the outside of the connecting shaft a502 is movably connected with the body 1 through a bearing, the inside of the connecting shaft a502 is provided with the sliding groove matched with the clamping block 504, and the clamping block 504 forms a sliding structure with the connecting shaft a502; the transmission mechanism 7 comprises a driven gear 701 movably connected with the body 1 through a rotating shaft, and the outside of the driven gear 701 is meshingly connected with the driving gear 6; one side of the driven gear 701 is fixedly connected with the synchronous wheel a702, the outside of the synchronous wheel a702 is sleeved with the synchronous belt 703, one side of the synchronous belt 703 is sleeved with the synchronous wheel b704; the outside of the synchronous belt 703 penetrates through the body 1, one side of the synchronous wheel b704 is fixedly connected with the connecting disc 705, and one side of the connecting disc 705 is fixedly connected with the pushing shaft 706; the bottom of the connecting rod 8 is provided with the strip-shaped groove 13, and the strip-shaped groove 13 is slidably connected with the pushing shaft 706, the driven gear 701 forms a meshing transmission structure with the driving gear 6, and the pushing shaft 706 forms a sliding structure with the connecting rod 8.

[0024] In specific implementation, when the dust screen 2 is cleaned, the motor 3 is started in reverse rotation, at this time, the motor 3 drives the fan blade 4 to also reverse, the reversed fan blade 4 draws external air and blows the dust screen 2, at the same time, the motor 3 drives the one-way rotating mechanism 5 to rotate, the connecting block 501 in the one-way rotating mechanism 5 is clamped with the clamping block 504 through the ratchet groove 505 when reversing, so as to drive the clamping block 504 and the connecting shaft a502 to rotate, the connecting shaft a502 drives the driving gear 6 at one end to rotate, so that the transmission mechanism 7 starts to move;

[0025] The driving gear 6 will engage with the driven gear 701, because the number of teeth of the driven gear 701 is greater than that of the driving gear 6, so that the speed reduction movement is carried out, the driven gear 701 can drive the synchronous wheel a 702 on one side to rotate, the synchronous wheel a 702 drives the synchronous wheel b 704 to rotate through the synchronous belt 703, the synchronous wheel b 704 drives the connecting disc 705 and the actuating shaft 706 on one side to rotate, the actuating shaft 706 drives the connecting rod 8 to reciprocating swing through the strip-shaped slot 13, the connecting rod 8 drives the cleaning brush 10 on one side to rotate, when the top of the rotating cleaning brush 10 contacts the protrusion 14, the cleaning brush 10 rotates and extrudes the spring b 12 through a group of fixed blocks 11, another group of fixed blocks 11 stretches the spring b 12, when the cleaning brush 10 is separated from the protrusion 14, the two groups of springs b 12 reset, thereby driving the cleaning brush 10 to reciprocate, and the cleaning brush 10 rotates with the connecting rod 8, thereby swinging the dust screen 2 on one side to clean the dust adhered to the outside;

[0026] The reversed fan blade 4 blows the cleaned dust out, preventing it from entering the machine body 1, when the motor 3 rotates in the positive direction, the fan blade 4 will draw the airflow inside the factory out, at this time, when the connecting block 501 rotates, the internal ratchet slot 505 will contact the inclined surface of the clamping block 504, thereby pushing the clamping block 504 to move in the connecting shaft a 502 and extruding the spring a 503 on one side, at this time, the connecting block 501 cannot drive the connecting shaft a 502 to rotate, so the cleaning brush 10 cannot clean the dust screen 2, thus the above operation can facilitate the quick cleaning of the dust screen 2 of the chemical safety ventilation device.

[0027] In summary: in the use of the chemical safety ventilation device convenient to clean, first start the motor 3 to drive the fan blade 4 to rotate, the rotating fan blade 4 will send the gas inside the factory to the outside, thereby completing the ventilation, the contents not described in detail in the description belong to the existing technology known to those skilled in the art.

[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A chemical safety ventilation device for easy cleaning, comprising: The utility model relates to a dustproof net cleaning device, including machine body (1) and one -way rotation mechanism (5), one side of machine body (1) is fixedly connected with dustproof net (2), the inside installation of machine body (1) has motor (3), one side of motor (3) is fixed with multiple groups of fan blade (4), characterized by, One end of motor (3) is provided with one -way rotation mechanism (5), one -way rotation mechanism (5) includes the connecting block (501) of fixed connection with one end of motor (3), the inside of connecting block (501) is inserted with connecting shaft a (502), one end of connecting shaft a (502) is fixedly connected with drive gear (6), the bottom of drive gear (6) is provided with transmission mechanism (7), the side of machine body (1) near dustproof net (2) is movably connected with connecting rod (8) through the pivot, the inside of connecting rod (8) is movably connected with connecting shaft b (9) through bearing, one end of connecting shaft b (9) is fixedly connected with cleaning brush (10), the other end of connecting shaft b (9) is fixedly connected with two groups of fixed blocks (11), one side of two groups of fixed blocks (11) is fixed with spring b (12).

2. The chemical safety ventilation device of claim 1, wherein: Cleaning brush (10) is arranged at one side of dustproof net (2), one end of spring b (12) is fixedly connected with connecting rod (8), the shape of dustproof net (2) is fan-shaped, two groups of lugs (14) are fixedly connected to the side of machine body (1) near dustproof net (2), and the lugs (14) are located at the two sides of the top of dustproof net (2).

3. The chemical safety ventilation device of claim 1, wherein: The inside of connecting shaft a (502) is fixed with spring a (503), one end of spring a (503) is fixedly connected with clamping block (504), the inside of connecting block (501) is provided with ratchet groove (505), and the ratchet groove (505) is clamped with clamping block (504), the outside of clamping block (504) is slidably connected with connecting shaft a (502), the outside of connecting shaft a (502) is movably connected with machine body (1) through bearing.

4. The chemical safety ventilation device of claim 1, wherein: Transmission mechanism (7) includes driven gear (701) movably connected with machine body (1) through the pivot, the outside of driven gear (701) is meshedly connected with drive gear (6).

5. A chemical safety ventilation device with easy cleaning according to claim 4, characterized in that: One side of driven gear (701) is fixedly connected with synchronous wheel a (702), the outside of synchronous wheel a (702) is sleeved with synchronous belt (703), one side of synchronous belt (703) is sleeved with synchronous wheel b (704).

6. A chemical safety ventilation device with easy cleaning according to claim 5, characterized in that: The outside of synchronous belt (703) penetrates machine body (1), one side of synchronous wheel b (704) is fixedly connected with connecting disc (705), one side of connecting disc (705) is fixedly connected with push shaft (706).

7. A chemical safety ventilation device with easy cleaning according to claim 6, characterized in that: The bottom of connecting rod (8) is provided with strip-shaped slot (13), and the strip-shaped slot (13) is slidably connected with push shaft (706).

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