CN219303127U

CN219303127U - Toxic gas alarm with dustproof construction

Info

Publication number: CN219303127U
Application number: CN202223418418.3U
Authority: CN
Inventors: 孟凡来; 陆光杰; 孟凡海; 刘从洋; 孟凡广
Original assignee: Shandong Xinlida Security Technology Co ltd
Current assignee: Shandong Xinlida Security Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-07-04
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a toxic gas alarm with a dustproof structure, which comprises an alarm main body, wherein the outer part of the alarm main body is fixedly connected with a shell, the outer side of the shell is fixedly connected with a protecting shell, the left side of the protecting shell is provided with a one-way exhaust valve, the inside of the protecting shell is provided with a C-shaped frame, and the inside of the C-shaped frame is fixedly connected with a vent pipe. According to the alarm device, the alarm device main body is protected through the protective shell, external dust is filtered through the filter screen plate, then air enters the dehumidifying component through the air inlet fan to filter moisture in the air, and finally air enters the shell through the vent pipe, so that the alarm device has the advantages of being good in protection effect on the alarm device, avoiding dust blockage at the detection end, filtering water vapor in the air and being convenient to detach and clean.

Description

Toxic gas alarm with dustproof construction

Technical Field

The utility model relates to a toxic gas alarm with a dustproof structure.

Background

The toxic gas alarm is used for detecting toxic gas in the atmosphere, the concentration is expressed by using the concentration, the oxygen is expressed by using the surplus and shortage, and the electrochemical or infrared sensor with high industrial reliability is adopted, so that the toxic gas alarm has the characteristics of high stability and no maintenance, the high technical development level is reflected, but the following problems are found in the use of the existing toxic alarm:

1. in the prior art, toxic alarms are generally installed in an open mode, dust is easy to accumulate on the alarms, a gas detection end is easy to be blocked, and the sensitivity of the detector is reduced;

2. in the prior art, the detection end of the toxic alarm is generally provided with a simple dust filter screen, and because the installation and use environment of the toxic alarm are complex, water vapor in the air cannot be filtered when the water vapor is too large, and the toxic alarm is inconvenient to detach and clean, so that the detection precision of the alarm can be influenced.

Disclosure of Invention

The utility model aims to solve the background technical problem and provides a toxic gas alarm with a dustproof structure.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a poisonous gas alarm with dustproof construction, includes alarm main part, the outside fixedly connected with shell of alarm main part, the outside fixedly connected with protecting crust of shell, unidirectional exhaust valve is installed in the left side of protecting crust, the internally mounted of protecting crust has C word frame, the inside fixedly connected with breather pipe of C word frame, the internally mounted of protecting crust has the air inlet fan, install dehumidification subassembly between air inlet fan and the C word frame, the right side joint of air inlet fan has the filter screen board, two chucking spare are installed in the outside of protecting crust, pulling mechanism is installed in the outside of protecting crust, pulling mechanism cooperatees with the chucking spare.

As a further description of the above technical solution: the clamping piece comprises a spring, a sliding clamping block and a first magnetic block, wherein the left side of the sliding clamping block is slidingly connected to the right side of the protective shell, one end of the spring is fixedly connected with the sliding clamping block, the top end of the spring is fixedly connected with the protective shell, the bottom of the sliding clamping block is in clamping contact with the outer side of the filter screen plate, and the top end of the sliding clamping block is fixedly connected with the first magnetic block.

As a further description of the above technical solution: the pulling mechanism comprises a sliding frame, two fixing blocks and two second magnetic blocks, wherein the sliding frame is in sliding connection with the protective shell, the sliding frame is fixedly connected with the two fixing blocks, one side, opposite to the fixing blocks, of the sliding frame is in sliding contact with the protective shell, one side, opposite to the second magnetic blocks, of the sliding frame is respectively fixedly connected with the two fixing blocks, one side, opposite to the second magnetic blocks, of the sliding frame is in sliding contact with the protective shell, and the first magnetic blocks are matched with the second magnetic blocks.

As a further description of the above technical solution: the outside fixedly connected with two L shape magnetism isolating plate of protecting crust, the outside of L shape magnetism isolating plate and first magnetic force piece and second magnetic force piece sliding contact.

As a further description of the above technical solution: the dehumidification subassembly includes dehumidification filter and drain pipe, dehumidification filter's air inlet end and air inlet fan installation butt joint, dehumidification filter's exhaust end and breather pipe fixed connection, the drain pipe is installed to dehumidification filter's bottom, the bottom of drain pipe runs through and sliding connection to the bottom of protecting crust.

As a further description of the above technical solution: the front of the protective shell is hinged with a sealing door, and an observation window is arranged on the sealing door.

Compared with the prior art, the utility model has the advantages that:

this scheme is protected to having alarm instrument main part through the protecting crust, filter outside dust earlier through the filter screen board, then the air gets into dehumidification subassembly through the air inlet fan and filters the inside moisture of air, then the inside that the gas got into the shell through the breather pipe at last, then alarm instrument main part carries out poison gas detection to the air, then the gas is discharged through left one-way discharge valve, when dismantling the clearance to the filter screen board, move to the outside of two chucking spare along the protecting crust right through pulling mechanism earlier, drive two chucking spare and move dorsad through the adsorption affinity, in order to remove the fixed spacing to the filter screen board, then conveniently take out the filter screen board and clear up, then reinstallate, push back pulling mechanism again, the adsorption affinity is hour this moment, chucking spare then resets again and fix the filter screen board, thereby the device has the protection effect to the alarm instrument well, avoid its detection end dust to block up, and filter in the air, and the advantage of conveniently dismantle the clearance.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

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

fig. 3 is a schematic front perspective view of the present utility model.

The reference numerals in the figures illustrate:

1. an alarm main body; 2. a housing; 3. a protective shell; 31. an L-shaped magnetic isolation plate; 4. a one-way exhaust valve; 5. c-shaped frame; 6. a vent pipe; 7. an air inlet fan; 8. a dehumidifying component; 81. a dehumidifying filter; 82. a drain pipe; 9. a filter screen plate; 10. a clamping piece; 101. a spring; 102. sliding the clamping block; 103. a first magnetic block; 11. a pulling mechanism; 111. a sliding frame; 112. a fixed block; 113. a second magnetic block; 12. closing the door; 13. and an observation window.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

referring to fig. 1 to 3, the toxic gas alarm with a dust-proof structure of the present utility model includes an alarm body 1, a housing 2 fixedly connected to the outside of the alarm body 1, a protecting housing 3 fixedly connected to the outside of the housing 2, a one-way exhaust valve 4 mounted on the left side of the protecting housing 3, a C-frame 5 mounted inside the protecting housing 3, a ventilation pipe 6 fixedly connected to the inside of the C-frame 5, an air inlet fan 7 mounted inside the protecting housing 3, a dehumidifying assembly 8 mounted between the air inlet fan 7 and the C-frame 5, a filter screen 9 mounted on the right side of the air inlet fan 7, two clamping members 10 mounted on the outside of the protecting housing 3, a pulling mechanism 11 mounted on the outside of the protecting housing 3, and the pulling mechanism 11 being matched with the clamping members 10.

According to the alarm device, the alarm device body 1 is protected through the protective shell 3, external dust is filtered through the filter screen plate 9, then air enters the dehumidifying component 8 through the air inlet fan 7 to filter moisture in the air, finally the air enters the shell 2 through the vent pipe 6, then the alarm device body 1 carries out toxic gas detection on the air, then the air is discharged through the left one-way vent valve 4, when the filter screen plate 9 is disassembled and cleaned, the two clamping pieces 10 are driven to move to the right along the protective shell 3 through the pulling mechanism 11 to the outer sides of the two clamping pieces 10 through the adsorption force, so that the fixing limit of the filter screen plate 9 is eliminated, then the filter screen plate 9 is conveniently taken out for cleaning, then the filter screen plate 9 is reinstalled, the pulling mechanism 11 is pushed back, when the adsorption force is small, the clamping pieces 10 are reset again to fix the filter screen plate 9, the protection effect of the alarm device is good, dust blockage at the detection end is avoided, water vapor in the air is filtered, and the disassembly and cleaning is convenient.

Please refer to fig. 1 and 3, wherein: the clamping piece 10 comprises a spring 101, a sliding clamping block 102 and a first magnetic block 103, wherein the left side of the sliding clamping block 102 is slidingly connected to the right side of the protective shell 3, one end of the spring 101 is fixedly connected with the sliding clamping block 102, the top end of the spring 101 is fixedly connected with the protective shell 3, the bottom of the sliding clamping block 102 is in clamping contact with the outer side of the filter screen plate 9, and the top end of the sliding clamping block 102 is fixedly connected with the first magnetic block 103.

In the utility model, the sliding clamping blocks 102 are pushed by the elastic force generated by the springs 101, so that the sliding clamping blocks 102 are always clamped and fixed on the filter screen plate 9, then the first magnetic block 103 is adsorbed by the pulling mechanism 11, the suction force is larger than the pressure of the springs 101, and the two sliding clamping blocks 102 are adsorbed and move back to separate from the filter screen plate 9, so that the filter screen plate 9 is convenient to detach and clean.

Please refer to fig. 1 and 3, wherein: the pulling mechanism 11 comprises a sliding frame 111, two fixed blocks 112 and two second magnetic blocks 113, wherein the inner part of the sliding frame 111 is in sliding connection with the protective shell 3, the inner part of the sliding frame 111 is fixedly connected with the two fixed blocks 112, one side, opposite to the two fixed blocks 112, of the sliding frame is in sliding contact with the protective shell 3, one side, opposite to the two second magnetic blocks 113, of the sliding frame is respectively fixedly connected with the two fixed blocks 112, one side, opposite to the two second magnetic blocks 113, of the sliding frame is in sliding contact with the protective shell 3, and the first magnetic block 103 is matched with the second magnetic block 113.

In the utility model, the sliding frame 111 is pulled to drive the two fixed blocks 112 to run along the protective shell 3, so that the two second magnetic blocks 113 are respectively rotated to the two first magnetic blocks 103, and the second magnetic blocks 113 are matched with the first magnetic blocks 103 to generate suction force so as to drive the sliding clamping blocks 102 to be separated from the filter screen plate 9, thereby realizing quick disassembly and convenient and labor-saving operation.

Please refer to fig. 2, wherein: two L-shaped magnetic isolation plates 31 are fixedly connected to the outer side of the protective shell 3, and the outer side of the L-shaped magnetic isolation plates 31 are in sliding contact with the first magnetic block 103 and the second magnetic block 113.

In the utility model, the two L-shaped magnetic isolation plates 31 prevent the first magnetic block 103, the second magnetic block 113 and the protective shell 3 from being adsorbed to influence the operation, and the structure is more reasonable.

Please refer to fig. 1, wherein: the dehumidifying assembly 8 comprises a dehumidifying filter 81 and a drain pipe 82, wherein the air inlet end of the dehumidifying filter 81 is in butt joint with the air inlet fan 7, the air outlet end of the dehumidifying filter 81 is fixedly connected with the ventilating pipe 6, the drain pipe 82 is mounted to the bottom of the dehumidifying filter 81, and the bottom end of the drain pipe 82 penetrates through and is connected to the bottom of the protective housing 3 in a sliding mode.

In the present utility model, moisture in the air is filtered through the dehumidifying filter 81 and the protective case 3 is discharged through the drain pipe 82 to avoid the influence of moisture on the alarm main body 1.

Please refer to fig. 3, wherein: the front face of the protective shell 3 is hinged with a sealing door 12, and an observation window 13 is arranged on the sealing door 12.

In the utility model, the protecting shell 3 is conveniently opened for maintenance through the sealing door 12, and the condition of penetrating the inside is conveniently observed through the observation window 13.

Working principle: during the use, at first filter outside dust through filter screen plate 9, then the air gets into dehumidification filter 81 through air inlet fan 7 and filters the moisture in the air, and discharge protection housing 3 through drain pipe 82, then the inside that air got into shell 2 through breather pipe 6 at last, then alarm instrument main part 1 carries out poison gas detection to the air, then the gas discharges through left one-way discharge valve 4, when dismantling the clearance to filter screen plate 9, first drive two fixed blocks 112 through pulling sliding frame 111 and move along protection housing 3, make two second magnetic force blocks 113 to change two first magnetic force blocks 103 respectively, cooperate through second magnetic force block 113 and first magnetic force block 103, produce the suction, with drive slip fixture block 102 and filter screen plate 9 separation, then conveniently take out the clearance with filter screen plate 9, then reinstallate, push back pulling mechanism 11 again, when adsorption affinity is little, then reset again and fix filter screen plate 9, the protection effect of this alarm instrument is good, avoid its detection end dust to block up, and filter the steam in the air chucking, conveniently dismantle the clearance. The problems that dust is accumulated on the alarm and a gas detection end is blocked easily in the prior art, so that the sensitivity of the detector is reduced, water vapor in the air cannot be filtered when the water vapor is too large, and the detection precision of the alarm can be affected are solved.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. Toxic gas alarm with dustproof construction, including alarm main part (1), its characterized in that: the alarm instrument comprises an alarm instrument main body (1), wherein a shell (2) is fixedly connected to the outside of the shell (2), a protecting shell (3) is fixedly connected to the outside of the shell (2), a one-way exhaust valve (4) is arranged on the left side of the protecting shell (3), a C-shaped frame (5) is arranged on the inside of the protecting shell (3), a vent pipe (6) is fixedly connected to the inside of the C-shaped frame (5), an air inlet fan (7) is arranged on the inside of the protecting shell (3), a dehumidifying component (8) is arranged between the air inlet fan (7) and the C-shaped frame (5), a filter screen (9) is clamped on the right side of the air inlet fan (7), two clamping pieces (10) are arranged on the outside of the protecting shell (3), and a pulling mechanism (11) is arranged on the outside of the protecting shell (3), and the pulling mechanism (11) is matched with the clamping pieces (10).

2. A toxic gas alarm device having a dust-proof structure according to claim 1, wherein: the clamping piece (10) comprises a spring (101), a sliding clamping block (102) and a first magnetic block (103), wherein the left side of the sliding clamping block (102) is connected to the right side of the protective shell (3) in a sliding mode, one end of the spring (101) is fixedly connected with the sliding clamping block (102), the top end of the spring (101) is fixedly connected with the protective shell (3), the bottom of the sliding clamping block (102) is in clamping contact with the outer side of the filter screen plate (9), and the top end of the sliding clamping block (102) is fixedly connected with the first magnetic block (103).

3. A toxic gas alarm with dust-proof structure according to claim 2, characterized in that: the pulling mechanism (11) comprises a sliding frame (111), two fixing blocks (112) and two second magnetic blocks (113), wherein the sliding frame (111) is internally connected with the protective shell (3) in a sliding mode, the sliding frame (111) is internally connected with the two fixing blocks (112) in a fixed mode, one opposite sides of the two fixing blocks (112) are in sliding contact with the protective shell (3), one opposite sides of the two second magnetic blocks (113) are respectively connected with the two fixing blocks (112) in a fixed mode, one opposite sides of the two second magnetic blocks (113) are in sliding contact with the protective shell (3), and the first magnetic blocks (103) are matched with the second magnetic blocks (113).

4. A toxic gas alarm device having a dust-proof structure according to claim 3, wherein: two L-shaped magnetic isolation plates (31) are fixedly connected to the outer side of the protective shell (3), and the outer side of each L-shaped magnetic isolation plate (31) is in sliding contact with the first magnetic block (103) and the second magnetic block (113).

5. A toxic gas alarm device having a dust-proof structure according to claim 1, wherein: the dehumidification subassembly (8) is including dehumidification filter (81) and drain pipe (82), the inlet end and the fan (7) installation butt joint of dehumidification filter (81), the exhaust end and the breather pipe (6) fixed connection of dehumidification filter (81), the bottom of dehumidification filter (81) is installed to drain pipe (82), the bottom of drain pipe (82) runs through and sliding connection to the bottom of protecting crust (3).

6. A toxic gas alarm device having a dust-proof structure according to claim 1, wherein: the front face of the protective shell (3) is hinged with a sealing door (12), and an observation window (13) is arranged on the sealing door (12).