阅读说明：本技术 一种预防矽肺病用呼吸过滤器 (Respiratory filter for preventing silicosis ) 是由 于娓娉 于 2020-08-11 设计创作，主要内容包括：本发明公开了一种预防矽肺病用呼吸过滤器,包括安全帽,安全帽上设有观察镜,安全帽上连通设有呼吸管,呼吸管的进气端安装有过滤机构,过滤机构上转动贯穿设有清理机构,呼吸管的上端转动贯穿设有传动机构,传动机构与清理机构传动连接,呼吸管从过滤机构至安全帽之间依次设有气控机构、水洗机构和活性碳板,气控机构和水洗机构连通设置,呼吸管的上端固定连接有防护罩,位于防护罩内的呼吸管的上端固定连接有驱动机构,驱动机构与传动机构传动连接。本发明能有效的提高了呼吸过滤器的过滤效果,利于降低矽肺病发生的概率,此外,还能对有效的避免粉尘对过滤器的堵塞,确保呼吸的顺畅性。(The invention discloses a respiratory filter for preventing silicosis, which comprises a safety helmet, wherein an observation mirror is arranged on the safety helmet, a breathing tube is communicated and arranged on the safety helmet, a filtering mechanism is arranged at the air inlet end of the breathing tube, a cleaning mechanism is rotatably arranged on the filtering mechanism in a penetrating manner, a transmission mechanism is rotatably arranged at the upper end of the breathing tube in a penetrating manner and is in transmission connection with the cleaning mechanism, a pneumatic control mechanism, a water washing mechanism and an active carbon plate are sequentially arranged between the filtering mechanism and the safety helmet, the pneumatic control mechanism and the water washing mechanism are communicated and arranged, a protective cover is fixedly connected at the upper end of the breathing tube, a driving mechanism is fixedly connected at the upper end of the breathing tube positioned in the protective cover, and the driving mechanism is in. The invention can effectively improve the filtering effect of the breathing filter, is beneficial to reducing the occurrence probability of silicosis, and can effectively avoid the blockage of dust on the filter and ensure the smoothness of breathing.)

1. The utility model provides a prevention pneumosilicosis is with breathing filter, includes safety helmet (1), be equipped with sight glass (2) on safety helmet (1), its characterized in that, the intercommunication is equipped with respiratory tube (3) on safety helmet (1), filtering mechanism is installed to the inlet end of respiratory tube (3), filtering mechanism upward rotates to run through and is equipped with clearance mechanism, the upper end of respiratory tube (3) is rotated and is run through and is equipped with drive mechanism, drive mechanism is connected with clearance mechanism transmission, respiratory tube (3) are equipped with gas accuse mechanism, washing mechanism and active carbon board (4) from filtering mechanism to safety helmet (1) in proper order, gas accuse mechanism and washing mechanism intercommunication set up, the upper end fixedly connected with protection casing (5) of respiratory tube (3), be located the upper end fixedly connected with actuating mechanism of respiratory tube (3) in protection casing (5), actuating mechanism is connected with the drive mechanism transmission, the top surface that air control mechanism's upper end slides and runs through respiratory tube (3) sets up the duplex winding and locate actuating mechanism on, be equipped with exhaust mechanism in safety helmet (1), the lower extreme of safety helmet (1) is equipped with sealing strip (6).

2. The respiratory filter of claim 1, wherein the filtering mechanism comprises a first sealing plate (7) fixedly disposed at an air inlet end of the breathing tube (3), the first sealing plate (7) is provided with a plurality of breathing holes (8), a first dust screen (9) is installed in the breathing holes (8), and the cleaning mechanism is rotatably disposed through the first sealing plate (7) and in contact with the first dust screen (9) in an abutting manner.

3. The respiratory filter for preventing silicosis according to claim 2, wherein the cleaning mechanism comprises a first rotating shaft (10) rotatably penetrating through the first sealing plate (7), one end of the first rotating shaft (10) located outside the breathing tube (3) is fixedly connected with a plurality of cleaning brushes (11), the cleaning brushes (11) are in contact with the first dust screen (9) in an abutting manner, one end of the first rotating shaft (10) located inside the breathing tube (3) is fixedly connected with a first bevel gear (12), and the first bevel gear (12) is in transmission connection with a transmission mechanism.

4. The respiratory filter for preventing silicosis according to claim 3, wherein the transmission mechanism comprises a second rotating shaft (13) rotatably disposed through the top surface of the breathing tube (3), a second bevel gear (14) is fixedly connected to the lower end of the second rotating shaft (13), the second bevel gear (14) is engaged with the first bevel gear (12), a third bevel gear (15) is fixedly connected to the upper end of the second rotating shaft (13), and the third bevel gear (15) is in transmission connection with the driving mechanism.

5. The respiratory filter for preventing silicosis according to claim 4, wherein the air control mechanism comprises an air control box (16) fixedly and hermetically arranged in the breathing tube (3), a lifting plate (17) is slidably and hermetically arranged in the air control box (16), a plurality of sliding rods (18) are slidably arranged on the lifting plate (17) in a penetrating manner, two ends of each sliding rod (18) are respectively and fixedly connected with the top surface and the bottom of the air control box (16), a spring (19) is fixedly connected between the lower end of the lifting plate (17) and the bottom of the air control box (16), a traction wire (20) is fixedly connected at the upper end of the lifting plate (17), the upper end of the traction wire (20) is slidably arranged in a penetrating manner on the top surface of the breathing tube (3) and wound on the driving mechanism, air guide tubes (21) are respectively communicated with the side walls of the air control boxes (16) at the upper end and the lower end of the lifting plate (17), install first one-way pressure valve (22) in air duct (21), the end of giving vent to anger of air duct (21) sets up with washing mechanism intercommunication, all be equipped with the inlet port of inside and outside intercommunication on the lateral wall of pneumatic control box (16) at both ends about lifter plate (17), install second one-way pressure valve (23) in the inlet port.

6. The respiratory filter for preventing silicosis according to claim 5, wherein the water washing mechanism comprises a water tank (24) fixedly arranged in the breathing tube (3), a second sealing plate (25) is fixedly and hermetically arranged in the water tank (24), an air inlet pipe (26) is fixedly and penetratingly arranged on the second sealing plate (25), an air inlet end fixed seal of the air guide pipe (21) is arranged to penetrate through the side wall of the water tank (24) and is communicated with the air inlet pipe (26), a hollowed-out plate (27) is fixedly connected to a portion of the air inlet pipe (26) located below the second sealing plate (25), an air outlet pipe (28) is fixedly and hermetically arranged on the second sealing plate (25), an air outlet (29) is arranged on the side wall of one end of the water tank (24) far away from the air control box (16), a water guide pipe (30) is communicated with the bottom of the water tank (24), and a control valve is arranged on the water guide pipe (30).

7. The respiratory filter for preventing silicosis according to claim 6, wherein said driving mechanism comprises a driving motor (31) fixedly disposed at the upper end of said breathing tube (3), said driving shaft of said driving motor (31) has a third rotating shaft (32) fixedly connected to the end of the driving shaft, said third rotating shaft (32) has a winding roller (33) and a fourth bevel gear (34) fixedly connected to the same shaft, said fourth bevel gear (34) and said third bevel gear (15) are engaged, said pulling wire (20) is wound on said winding roller (33), said third rotating shaft (32) is rotatably sleeved with a supporting plate (35), and the lower end of said supporting plate (35) is fixedly disposed at the upper end of said breathing tube (3).

8. The respiratory filter for preventing silicosis according to claim 1, wherein said exhaust mechanism comprises a chamber (36) disposed in the side wall of the safety helmet (1), the side wall of said chamber (36) is provided with an air guide opening (37) communicated with the safety helmet (1), an exhaust opening (38) is disposed on the side wall of the chamber (36) far from the air guide opening (37), and a second dust screen (39) is installed in said chamber (36).

Technical Field

The invention relates to the technical field of respiratory filters, in particular to a respiratory filter for preventing silicosis.

Background

The lung disease, also known as silicosis, is caused by long-term inhalation of a large amount of dust containing free silica, and is mainly caused by extensive nodular fibrosis of the lung. Severe cases may affect lung function, loss of working capacity, and even develop into pulmonary heart failure, heart failure and respiratory failure. The disease is commonly seen in miners, particularly tunneling workers, and people with a large amount of dust contact history of quartz, ceramics, refractory materials and the like, the disease is slow, the disease is generally 5-10 years, and the disease can reach 20 years for the long people.

The existing breathing filter can only simply filter dust when in use, has poor dust treatment effect and low effect on preventing silicosis, so that a large amount of dust adhered to the filter cannot be cleaned when in use, the breathing is easy to block, and the smoothness of breathing is seriously influenced, therefore, the breathing filter for preventing silicosis is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a respiratory filter for preventing silicosis.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a prevention respiratory filter for silicosis, includes the safety helmet, be equipped with the sight glass on the safety helmet, the intercommunication is equipped with the respiratory tube on the safety helmet, filter mechanism is installed to the inlet end of respiratory tube, filter mechanism goes up to rotate to run through and is equipped with clearance mechanism, the upper end of respiratory tube is rotated to run through and is equipped with drive mechanism, drive mechanism is connected with clearance mechanism transmission, the respiratory tube is equipped with gas accuse mechanism, washing mechanism and active carbon plate from filter mechanism to safety helmet in proper order, gas accuse mechanism and washing mechanism intercommunication set up, the upper end fixedly connected with protection casing of respiratory tube, be located the upper end fixedly connected with actuating mechanism of respiratory tube in the protection casing, actuating mechanism is connected with the drive mechanism transmission, the top surface that the upper end slip of gas accuse mechanism runs through the respiratory tube sets up and around locating on actuating mechanism, be equipped with exhaust mechanism in the safety helmet, the lower end of the safety cap is provided with a sealing strip.

Preferably, filtering mechanism is including fixed the first closing plate that sets up in respiratory tube inlet end, be equipped with a plurality of mouths of respiration on the first closing plate, install first dust screen in the mouth of respiration, clearance mechanism rotates and runs through the setting of first closing plate and offsets the contact with first dust screen.

Preferably, clearance mechanism is including rotating the first rotation axis that runs through first closing plate setting, the one end fixedly connected with a plurality of cleaning brushes of first rotation axis position outside the breathing pipe, cleaning brush and the contact of first dust screen counterbalance, one end fixedly connected with first bevel gear that first rotation axis position is inside the breathing pipe, first bevel gear and drive mechanism transmission are connected.

Preferably, the transmission mechanism comprises a second rotating shaft which is rotatably arranged to penetrate through the top surface of the breathing tube, a second bevel gear is fixedly connected to the lower end of the second rotating shaft, the second bevel gear is meshed with the first bevel gear, a third bevel gear is fixedly connected to the upper end of the second rotating shaft, and the third bevel gear is in transmission connection with the driving mechanism.

Preferably, the air control mechanism comprises an air control box fixedly and hermetically arranged in the breathing tube, a lifting plate is arranged in the air control box in a sliding and sealing manner, a plurality of sliding rods are arranged on the lifting plate in a sliding and penetrating way, two ends of each sliding rod are respectively and fixedly connected with the top surface and the bottom of the pneumatic control box, a spring is fixedly connected between the lower end of the lifting plate and the bottom of the pneumatic control box, the upper end of the lifting plate is fixedly connected with a traction wire, the upper end of the traction wire is arranged by sliding penetrating the top surface of the respiratory tube and winding on the driving mechanism, the side walls of the pneumatic control boxes at the upper end and the lower end of the lifting plate are both communicated with air guide pipes, a first one-way pressure valve is arranged in the air duct, the air outlet end of the air duct is communicated with the water washing mechanism, and air inlet holes which are communicated with the inside and the outside are formed in the side walls of the air control boxes at the upper end and the lower end of the lifting plate, and second one-way pressure valves are installed in the air inlet holes.

Preferably, the washing mechanism is including fixed setting up the water tank in the breathing pipe, fixed seal installs the second closing plate in the water tank, the fixed intake pipe that runs through on the second closing plate, the air inlet end fixed seal of air duct runs through the lateral wall setting of water tank and sets up with the intake pipe intercommunication, fixedly connected with fretwork board on the part that the intake pipe is located the second closing plate below, fixed seal runs through on the second closing plate and is equipped with the outlet duct, the water tank is kept away from one of pneumatic control case and is equipped with the gas outlet on the lateral wall, the bottom intercommunication of water tank is equipped with the aqueduct, install the control valve on the aqueduct.

Preferably, actuating mechanism is including fixed the driving motor who sets up in the respiratory tube upper end, driving motor's the terminal fixedly connected with third rotation axis of drive shaft, coaxial fixedly connected with wire winding roller and fourth bevel gear on the third rotation axis, fourth bevel gear and third bevel gear mesh mutually, the pull wire is around locating on the wire winding roller, it is equipped with the backup pad to rotate the cover on the third rotation axis, the lower extreme of backup pad is fixed to be set up in the upper end of respiratory tube.

Preferably, exhaust mechanism is including setting up the cavity in the safety helmet lateral wall, the lateral wall of cavity is equipped with the air guide mouth that is linked together with the safety helmet, the cavity is kept away from and is equipped with the gas vent on the one end lateral wall of air guide mouth, install the second dust screen in the cavity.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the filtering mechanism, the driving mechanism, the air control mechanism, the water washing mechanism and the activated carbon plate, when outside air enters the safety helmet, the air is sequentially filtered, washed and adsorbed, so that the effect of purifying and treating the breathing air can be effectively improved, the occurrence probability of silicosis can be effectively avoided, the improvement of the effect of the breathing filter on preventing silicosis is facilitated, and the production safety of workers is ensured.

2. According to the invention, through the arrangement of the driving mechanism, the transmission mechanism and the cleaning mechanism, dust impurities attached to the first dust screen can be effectively cleaned, the breathing filter is effectively prevented from being blocked, the use smoothness of the breathing filter is ensured, in addition, the head can be protected through the arranged safety helmet and the sealing belt, the non-purified air is prevented from being sucked, the silicosis prevention effect is ensured, in addition, the cooling and heat dissipation in the safety helmet are facilitated under the action of the exhaust mechanism, and the use comfort of the filter is improved.

Drawings

FIG. 1 is a perspective view of a respiratory filter for preventing silicosis in accordance with the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a partial enlarged view of FIG. 1 at B;

fig. 4 is a partially enlarged view of fig. 2 at C.

In the figure: 1 safety helmet, 2 observation mirrors, 3 breathing tubes, 4 activated carbon plates, 5 protective covers, 6 sealing belts, 7 first sealing plates, 8 breathing openings, 9 first dust screens, 10 first rotating shafts, 11 cleaning brushes, 12 first bevel gears, 13 second rotating shafts, 14 second bevel gears, 15 third bevel gears, 16 air control boxes, 17 lifting plates, 18 sliding rods, 19 springs, 20 traction lines, 21 air guide tubes, 22 first one-way pressure valves, 23 second one-way pressure valves, 24 water tanks, 25 second sealing plates, 26 air inlet tubes, 27 hollow plates, 28 air outlet tubes, 29 air outlets, 30 water guide tubes, 31 driving motors, 32 third rotating shafts, 33 winding rollers, 34 fourth bevel gears, 35 supporting plates, 36 chambers, 37 air guide openings, 38 air outlet openings and 39 second dust screens.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a respiratory filter for preventing silicosis, comprising a safety helmet 1, wherein the safety helmet 1 is provided with an observation mirror 2, wherein the observation mirror 2 can be used for observation without affecting the sight of a person wearing the safety helmet 1, the safety helmet 1 is communicated with a breathing tube 3, the air inlet end of the breathing tube 3 is provided with a filtering mechanism, the filtering mechanism is rotatably penetrated with a cleaning mechanism, the upper end of the breathing tube 3 is rotatably penetrated with a transmission mechanism, the transmission mechanism is in transmission connection with the cleaning mechanism, the breathing tube 3 is sequentially provided with an air control mechanism, a water washing mechanism and an active carbon plate 4 from the filtering mechanism to the safety helmet 1, the air control mechanism is communicated with the water washing mechanism, the upper end of the breathing tube 3 is fixedly connected with a protective cover 5, the upper end of the breathing tube 3 in the protective cover 5 is fixedly connected with a driving mechanism, and the driving mechanism is in transmission connection with, the upper end of the pneumatic control mechanism is arranged on the driving mechanism in a sliding mode, penetrates through the top surface of the breathing tube 3, and is wound on the driving mechanism, an exhaust mechanism is arranged in the safety helmet 1, a sealing strip 6 is arranged at the lower end of the safety helmet 1, the sealing strip 6 has a closing function, the safety helmet 1 is worn well, the sealing strip 6 can be sleeved on the neck and can be closed through the elasticity of the sealing strip 6, tightening feeling is avoided, and the head is sealed by matching with the safety helmet 1.

Wherein, filtering mechanism is equipped with a plurality of breathing mouths 8 including fixed first closing plate 7 that sets up in breathing pipe 3 inlet end on the first closing plate 7, installs first dust screen 9 in the breathing mouth 8, and clearance mechanism rotates and runs through first closing plate 7 and set up and contact with first dust screen 9 counterbalance.

More specifically, clearance mechanism is including rotating the first rotation axis 10 that runs through first sealing plate 7 and set up, the one end fixedly connected with a plurality of cleaning brushes 11 of first rotation axis 10 outside respiratory tube 3, cleaning brushes 11 and first dust screen 9 counterbalance contact, first rotation axis 10 is located one of respiratory tube 3 and serves fixedly connected with first bevel gear 12, first bevel gear 12 and drive mechanism transmission are connected, it should be said that, the brush hair of cleaning brushes 11 and first dust screen 9 counterbalance contact, can clear up the dust of adhesion and first dust screen 9 when rotatory, ensure the circulation of first dust screen 9.

The transmission mechanism comprises a second rotating shaft 13 which is rotatably arranged to penetrate through the top surface of the breathing tube 3, a second bevel gear 14 is fixedly connected to the lower end of the second rotating shaft 13, the second bevel gear 14 is meshed with the first bevel gear 12, a third bevel gear 15 is fixedly connected to the upper end of the second rotating shaft 13, the third bevel gear 15 is in transmission connection with the driving mechanism, and the second rotating shaft 13 is arranged between the first sealing plate 7 and the air control mechanism.

Wherein, the air control mechanism comprises a gas control box 16 fixedly and hermetically arranged in the breathing tube 3, a lifting plate 17 is arranged in the gas control box 16 in a sliding and sealing manner, a plurality of sliding rods 18 are arranged on the lifting plate 17 in a sliding and penetrating manner, two ends of the sliding rods 18 are respectively and fixedly connected with the top surface and the bottom of the gas control box 16, a spring 19 is fixedly connected between the lower end of the lifting plate 17 and the bottom of the gas control box 16, a traction wire 20 is fixedly connected at the upper end of the lifting plate 17, the upper end of the traction wire 20 is arranged in a sliding and penetrating manner on the top surface of the breathing tube 3 and is wound on a driving mechanism, air guide tubes 21 are respectively communicated with the side walls of the gas control box 16 at the upper end and the lower end of the lifting plate 17, first one-way pressure valves 22 are arranged in the air guide tubes 21, the air outlet ends of the air guide tubes 21 are communicated with the washing mechanism, air inlet holes which are internally, it should be noted that, sealing rings (not shown in the figure) are disposed at the joints of the second rotating shaft 13 and the pulling wire 20 and the breathing tube 3, the airflow passing through the first one-way pressure valve 22 can only flow from the air control box 16 to the air duct 21, and the airflow passing through the second one-way pressure valve 23 can only flow from the breathing tube 3 to the air control box 16.

Wherein, the washing mechanism comprises a water tank 24 fixedly arranged in the breathing tube 3, a second sealing plate 25 is fixedly and hermetically arranged in the water tank 24, an air inlet pipe 26 is fixedly arranged on the second sealing plate 25 in a penetrating manner, the air inlet end of the air guide pipe 21 is fixedly and hermetically arranged to penetrate through the side wall of the water tank 24 and is communicated with the air inlet pipe 26, a hollowed-out plate 27 is fixedly connected on the part of the air inlet pipe 26 positioned below the second sealing plate 25, an air outlet pipe 28 is fixedly and hermetically arranged on the second sealing plate 25 in a penetrating manner, an air outlet 29 is arranged on the side wall of one end of the water tank 24 far away from the air control box 16, a water guide pipe 30 is communicated with the bottom of the water tank 24, a control valve is arranged on the water guide pipe 30, it should be explained that the parts of the air inlet pipe 26 and the air outlet pipe 28 positioned above the second sealing, water may be added or removed from the tank 24 through the water conduit 30.

Wherein, actuating mechanism is including fixed driving motor 31 who sets up in breathing tube 3 upper end, the terminal fixedly connected with third rotation axis 32 of driving motor's 31 drive shaft, coaxial fixedly connected with wire winding roller 33 and fourth bevel gear 34 on the third rotation axis 32, fourth bevel gear 34 and the meshing of third bevel gear 15 mutually, 20 traction wires are around locating on wire winding roller 33, it is equipped with backup pad 35 to rotate the cover on the third rotation axis 32, the fixed upper end that sets up in breathing tube 3 of lower extreme of backup pad 35, it is required to explain, driving motor 31 is the private clothes motor, driving motor 31's theory of operation and concrete structure are prior art, do not describe herein repeatedly.

The exhaust mechanism comprises a chamber 36 arranged in the side wall of the safety helmet 1, the side wall of the chamber 36 is provided with a gas guide opening 37 communicated with the safety helmet 1, the side wall of one end, far away from the gas guide opening 37, of the chamber 36 is provided with an exhaust opening 38, and a second dust screen 39 is arranged in the chamber 36.

In the invention, when the safety helmet is used on a station without lowering head, the safety helmet 1 is worn, the driving motor 31 is started, the third rotating shaft 32, the winding roller 33 and the fourth bevel gear 34 can be driven to synchronously rotate, the second rotating shaft 13 and the second bevel gear 14 are driven to synchronously rotate due to the meshing of the fourth bevel gear 34 and the third bevel gear 15, the first rotating shaft 10 can be driven to rotate due to the meshing of the second bevel gear 14 and the first bevel gear 12, the cleaning brush 11 can be conveniently driven to rotate, the cleaning effect on the first dust screen 9 is realized, the first dust screen 9 is prevented from being blocked, the winding and unwinding can be realized due to the rotation of the winding roller 33, the lifting plate 17 arranged in the air control box 16 in a sliding sealing manner can be lifted under the action of the spring 19, and when the lifting plate 17 moves upwards, the first one-way pressure valve 22 above the lifting plate 17 is opened, so that part of air in the air control box 16 enters the air guide pipe 21, the second one-way pressure valve 23 below the lifting plate 17 is opened, the outside air is filtered by the first dust screen 9 and then enters the air control box 16 through the second one-way pressure valve 23, otherwise, the air is guided by the air guide pipe 21 below the lifting plate 17, the second one-way pressure valve 23 on the lifting plate 17 exhausts, the air entering the air inlet pipe 26 through the air guide pipe 21 enters the water in the water tank 24 for water washing treatment, and is exhausted through the air outlet pipe 28, enters the breathing tube 3 through the air outlet 29, and enters the safety helmet 1 for practical breathing after being adsorbed by the activated carbon plate 4, and the activated carbon plate 4 filled in the breathing tube 3 is convenient for manual replacement, the air exhaled by a person and part of air are exhausted through the air guide port 37, the second dust screen 39 and the air outlet 38 in sequence, which is beneficial to improving the circulation of air circulation in the safety helmet 1, is beneficial to improving the use comfort of the breathing filter.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.