CN220584166U

CN220584166U - Explosion-proof gas detection alarm

Info

Publication number: CN220584166U
Application number: CN202322089250.4U
Authority: CN
Inventors: 秦喜波; 李建建; 张景华; 韩华礼; 秦晨飞; 薛建州; 吴梦茹; 王建伟; 张瑜; 徐大艳
Original assignee: Henan Zhanfeng Engineering Technology Consulting Co ltd
Current assignee: Henan Zhanfeng Engineering Technology Consulting Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-03-12
Anticipated expiration: 2033-08-04

Abstract

The utility model discloses an explosion-proof gas detection alarm instrument which comprises an alarm instrument body, wherein a display screen is fixedly arranged on the front surface of the alarm instrument body, an explosion-proof junction box is fixedly arranged at the upper end of the alarm instrument body, an explosion-proof threading pipe is fixedly arranged at one end of the explosion-proof junction box, an audible-visual alarm is fixedly arranged at one end of the explosion-proof junction box, which is far away from the explosion-proof threading pipe, a detection head is fixedly arranged at the lower end of the alarm instrument body, and a filtering mechanism is fixedly arranged at the lower end of the detection pipe of the detection head. According to the utility model, the mounting seat is arranged at the lower end of the detection head, the connecting seat with the inserting column is used for conveniently inserting and mounting the mounting seat, and the strong magnetic block is added on the connecting seat in the inserting process, so that the strong magnetic block and the mounting seat are used for carrying out magnetic attraction and fixation, the connecting seat and the mounting seat can be conveniently dismounted, and the filter sleeve in the connecting seat is also convenient to dismount and maintain.

Description

Explosion-proof gas detection alarm

Technical Field

The utility model belongs to the technical field of gas detection, and particularly relates to an explosion-proof gas detection alarm instrument.

Background

In the mechanical production and manufacturing or chemical water enterprises, gases such as hydrogen, chlorine, carbon monoxide and the like are widely used, and because the gases are toxic and harmful, the gases need to be closely monitored and monitored so as to ensure the life safety and the use safety of workers during work, and the gas detector is an instrument tool for detecting the leakage concentration of the gases, mainly a portable/handheld gas detector, mainly a gas sensor is used for detecting the types of the gases in the environment, and the gas sensor is a sensor for detecting the components and the content of the gases.

The utility model provides a through patent bulletin number CN214097370U of chinese patent net retrieval, a pump suction type gas detection alarm, including detector body and gas detection head, gas detection head detachable connection is in on the detector body, gas detection head includes upper conjuncted, cavity and embedment aspiration pump and preliminary treatment filter membrane external member in the cavity, upper conjuncted upper end with detector body threaded connection, upper conjuncted lower extreme with cavity threaded connection, aspiration pump and preliminary treatment filter membrane external member detachable mounting in proper order are in the cavity, be equipped with the cavity hole of well leading to in the cavity.

At present, the gas detection alarm in the prior art can basically meet the requirement of gas detection alarm when in use, but certain defects still exist in the use process, in order to prevent the detection head from entering dust and affecting the detection sensitivity of the sensor, a filter screen is often arranged at the lower end of the detection head for protection, but the filter screen at the lower end of the traditional detection head is arranged on a mounting structure, and due to the fact that the filter screen is arranged and fixed by adopting screws, in subsequent maintenance and use, a technician cannot conveniently and rapidly detach and maintain.

Disclosure of Invention

In view of the problems mentioned in the background art, an object of the present utility model is to provide an explosion-proof gas detection alarm device, so as to solve the problems mentioned in the background art.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides an explosion-proof type gas detection alarm, includes the alarm body, the front fixed mounting of alarm body has the display screen, the upper end fixed mounting of alarm body has explosion-proof terminal box, the one end fixed mounting of explosion-proof terminal box has explosion-proof threading pipe, the one end fixed mounting that explosion-proof terminal box kept away from explosion-proof threading pipe has audible-visual annunciator, the lower extreme fixed mounting of alarm body has the detection head, the detection tube lower extreme fixed mounting of detection head has filtering mechanism;

the filtering mechanism comprises a mounting seat and a connecting seat, wherein the mounting seat is fixedly connected to the lower end of the detection head, a connecting column is symmetrically and fixedly arranged at the upper end of the connecting seat, one end of the connecting seat far away from the connecting column is connected with the lower end of the mounting seat in a plugging manner, a strong magnetic block is fixedly arranged at the upper end of the connecting seat at equal angles, the connecting seat is connected with the mounting seat through the strong magnetic block by magnetic force, a grid plate is fixedly arranged at the lower end of the connecting seat, and a filtering sleeve is movably connected at the upper end of the connecting seat.

Further, as a preferable technical scheme, a slot is formed at the lower end of the mounting seat, and the upper end of the connecting column is in plug-in connection with the slot.

Further, as the preferable technical scheme, a fixed slot is formed in the lower end of the mounting seat, and the connecting seat is magnetically connected with the fixed slot through a strong magnetic block.

Further, as an optimal technical scheme, handles are fixedly arranged on the outer sides of the connecting seats, and the handles are symmetrically distributed on the left side and the right side of the connecting seats.

Further, as the preferable technical scheme, the upper end fixed mounting of connecting seat has the assembly seat, the upper end of assembly seat and the lower extreme grafting of filtering the cover are connected, the outside symmetry fixed mounting of assembly seat has fixed subassembly, the assembly seat passes through fixed subassembly and the lower extreme outer wall joint connection of filtering the cover.

Further, as the preferred technical scheme, fixed subassembly includes the square cover, square cover symmetry fixed mounting is in the outside of mount pad, the inboard sliding connection of square cover has the limiting plate, one side fixed mounting of limiting plate has the fixture block, the card income end of fixture block slides and stretches into the lower extreme outer wall joint connection of square cover inboard and filter housing, one side symmetry fixed mounting that the fixture block was kept away from to the limiting plate has the spring, one side and the square cover fixed mounting that the limiting plate was kept away from to the spring, the upper end fixed mounting of limiting plate has the plectrum.

Further, as the preferable technical scheme, the clamping grooves are symmetrically formed in the outer wall of the lower end of the filter sleeve, the upper end face of the clamping-in end of the clamping block is in an inclined face shape, and the clamping-in end of the clamping block is connected with the clamping grooves in a clamping manner.

Further, as the preferable technical scheme, the inside symmetry fixed mounting of square cover has the round bar, limiting plate sliding connection is in the round bar outside, the middle part of spring is run through to the one end of round bar.

In summary, the utility model has the following advantages:

firstly, the installation seat is installed at the lower end of the detection head, the connection seat with the inserted column is utilized to facilitate the insertion and installation with the installation seat, and in the insertion and installation process, the strong magnetic block is added on the connection seat, and the strong magnetic block is utilized to be magnetically attracted and fixed with the installation seat, so that the connection seat and the installation seat can be conveniently disassembled, and the filter sleeve in the connection seat is also convenient to disassemble, assemble and maintain;

second, when installing the filter sleeve, insert the assembly seat with the lower extreme of filter sleeve, insert the in-process, filter sleeve lower extreme along fixture block inclined plane extrusion for fixture block connected limiting plate slip compression spring, after filter sleeve lower extreme inserts, spring reset promotes the fixture block card that the limiting plate is connected to filter sleeve and go on the joint fixed can, during the dismantlement, only need stir the back through the dialling plate of assembly seat both sides side cover department, dialling the board and drive the limiting plate and slide, fixture block on the limiting plate can be separated with the filter sleeve, thereby conveniently take out the maintenance to the filter sleeve.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a partially exploded view of the present utility model;

FIG. 3 is a close-up view of FIG. 2A in accordance with the present utility model;

fig. 4 is a schematic view of the upper end structure of the connecting seat of the present utility model.

Reference numerals: 1. the alarm device comprises an alarm device body, 2, a display screen, 3, an audible and visual alarm, 4, an explosion-proof junction box, 5, an explosion-proof threading pipe, 6, a detection head, 7, a filtering mechanism, 701, a mounting seat, 702, a connecting column, 703, a connecting seat, 704, a grid plate, 705, a strong magnetic block, 706, a filtering sleeve, 8, a handle, 9, a slot, 10, a fixed slot, 11, a clamping slot, 12, an assembly seat, 13, a fixed assembly, 131, a poking plate, 132, a square sleeve, 133, a limiting plate, 134, a spring, 135, a clamping block, 14 and a round rod.

Detailed Description

Example 1

Referring to fig. 1-4, the explosion-proof gas detection alarm device in this embodiment includes an alarm device body 1, a display screen 2 is fixedly installed on the front surface of the alarm device body 1, an explosion-proof junction box 4 is fixedly installed on the upper end of the alarm device body 1, an explosion-proof threading pipe 5 is fixedly installed at one end of the explosion-proof junction box 4, an audible-visual alarm 3 is fixedly installed at one end of the explosion-proof junction box 4 far away from the explosion-proof threading pipe 5, a detection head 6 is fixedly installed at the lower end of the alarm device body 1, and a filtering mechanism 7 is fixedly installed at the lower end of the detection pipe of the detection head 6; the inner side of the shell wall at the lower end of the detection head 6 is provided with an air pump, the outer side of the shell wall of the detection head 6 is also provided with an exhaust pipe, so that the gas detection is convenient, and the redundant description is omitted in the prior art; the filter sleeve 706 includes a filter portion and a mounting portion, and the clamping groove 11 is formed in the mounting portion of the filter sleeve 706.

Example 2

Referring to fig. 1-4, in order to achieve the purpose of convenient disassembly and assembly of the filtering mechanism 7 on the basis of embodiment 1, in this embodiment, the filtering mechanism 7 is innovatively designed, specifically, the filtering mechanism 7 includes a mounting seat 701 and a connecting seat 703, the mounting seat 701 is fixedly connected to the lower end of the detecting head 6, a connecting column 702 is symmetrically and fixedly installed at the upper end of the connecting seat 703, one end of the connecting column 702 far away from the connecting seat 703 is in plug connection with the lower end of the mounting seat 701, a ferromagnetic block 705 is fixedly installed at an equal angle at the upper end of the connecting seat 703, the connecting seat 703 is magnetically connected with the mounting seat 701 through the ferromagnetic block 705, a grid plate 704 is fixedly installed at the lower end of the connecting seat 703, a filtering sleeve 706 is movably connected at the upper end of the connecting seat 703, plug connection with the mounting seat 701 can be conveniently performed by using the connecting seat 703 with a plug post, and in the plug connection process, since the ferromagnetic block 705 is additionally installed on the connecting seat 703, the ferromagnetic block 705 is magnetically fixed with the mounting seat 701, and the disassembly and assembly of the connecting seat 703 and the mounting seat 701 can be conveniently performed; the fixing groove 10 is formed in the lower end of the mounting seat 701, the connecting seat 703 is magnetically connected with the fixing groove 10 through the strong magnet 705, and the fixing groove 10 is formed in the lower end of the mounting seat 701, so that the strong magnet 705 on the connecting seat 703 can be conveniently attracted in the fixing groove 10 of the mounting seat 701 for fixing; the handles 8 are fixedly arranged on the outer sides of the connecting seat 703, the handles 8 are symmetrically distributed on the left side and the right side of the connecting seat 703, and when the connecting seat 703 and the mounting seat 701 are disassembled, the magnetic connecting seat 703 and the mounting seat 701 can be separated conveniently by directly pulling down the handles 8 on the connecting seat 703; the upper end of connecting seat 703 is fixed with assembly seat 12, and the upper end of assembly seat 12 and the lower extreme of filter sleeve 706 are pegged graft and are connected, and the outside symmetry fixed mounting of assembly seat 12 has fixed subassembly 13, and assembly seat 12 passes through fixed subassembly 13 and filter sleeve 706's lower extreme outer wall joint connection, through the assembly seat 12 of installing in connecting seat 703 upper end, utilizes assembly seat 12 grafting filter sleeve 706, the fixed subassembly 13 on the joint assembly, can conveniently carry out quick dismouting to filter sleeve 706.

Referring to fig. 2-4, in order to achieve the purpose of facilitating the positioning and plugging of the connection seat 703 and the installation seat 701, the lower end of the installation seat 701 of this embodiment is provided with a slot 9, the upper end of the connection column 702 and the slot 9 are in plug connection, and the upper end of the connection column 702 and the installation seat 701 can be conveniently positioned and plugged by providing the slot 9 at the lower end of the installation seat 701.

Example 3

Referring to fig. 3-4, in this embodiment, in order to achieve the purpose of further disassembling and assembling the filter sleeve 706 on the basis of embodiment 2, the fixing component 13 is innovatively designed, specifically, the fixing component 13 includes a square sleeve 132, the square sleeve 132 is symmetrically and fixedly installed on the outer side of the assembling seat 12, a limiting plate 133 is slidably connected to the inner side of the square sleeve 132, a clamping block 135 is fixedly installed on one side of the limiting plate 133, a clamping end of the clamping block 135 is slidably inserted into the inner side of the square sleeve 132 and the outer wall of the lower end of the filter sleeve 706, a spring 134 is symmetrically and fixedly installed on one side of the limiting plate 133 away from the clamping block 135, one side of the spring 134 away from the limiting plate 133 and the square sleeve 132 are fixedly installed, a shifting plate 131 is fixedly installed on the upper end of the limiting plate 133, the lower end of the filter sleeve 706 is inserted into the assembling seat 12 through installing the fixing component 13 on the assembling seat 12, and the lower end of the filter sleeve 706 is extruded along an inclined plane of the clamping block 135, the limiting plate 133 is slidably compressed by the limiting plate 133 connected to the clamping block 135, after the lower end of the filter sleeve 706 is inserted, and the spring 134 is pushed by the lower end of the clamping block 135 to the clamping block 135, and the shifting plate 135 is required to be separated from the upper end of the filtering sleeve 133.

Referring to fig. 3-4, in order to achieve the purpose of facilitating the clamping installation of the filter sleeve 706, the outer wall of the lower end of the filter sleeve 706 in this embodiment is symmetrically provided with clamping grooves 11, the upper end of the clamping block 135 is in an inclined plane shape, the clamping end of the clamping block 135 is in clamping connection with the clamping groove 11, and the clamping groove 11 is arranged on the outer side of the filter sleeve 706, so that the clamping block 135 can conveniently clamp and install the filter sleeve 706.

Referring to fig. 4, in order to achieve the purpose of facilitating the sliding of the limiting plate 133, the round rod 14 is symmetrically and fixedly mounted on the inner side of the square sleeve 132 in this embodiment, the limiting plate 133 is slidably connected to the outer side of the round rod 14, one end of the round rod 14 penetrates through the middle of the spring 134, and the round rod 14 is mounted on the inner side of the square sleeve 132, so that the limiting plate 133 can be conveniently slid.

The use principle and the advantages are that: during the use, pump suction is through detecting head 6 lower extreme aspiration pump, then get into and detect head 6 and detect through the sensor, after the gas appears exceeding standard, trigger audible-visual annunciator 3 and report to the police, in the process of admitting air, utilize filter mechanism 7 can conveniently filter the dust of admitting air, thereby conveniently protect the sensor in detecting head 6, in the follow-up use, through installing mount pad 701 in detecting head 6 lower extreme, utilize the connecting seat 703 that has the inserted post can conveniently peg graft with mount pad 701 and install, the in-process of pegging graft owing to increased ferromagnetic piece 705 on connecting seat 703, utilize ferromagnetic piece 705 to carry out magnetism with mount pad 701 and inhale fixedly, can conveniently to the dismouting of connecting seat 703 and mount pad 701, also be convenient for carry out dismouting maintenance to filter sleeve 706 in the connecting seat 703, insert the lower extreme of filter sleeve 706 in the mount pad 12, in the course of inserting, filter sleeve 706 lower extreme along 135 inclined plane extrusion, make the limiting plate 133 slip compression spring 134 that fixture block 135 connects, when filter sleeve 706 pushes the lower extreme 706 and insert the back plate 135 and insert the limiting plate 135 and insert the die 135, can be fixed with the plate 133 and take out the filter sleeve 133 and can be fixed with the plate 133 when the plate 133 is pushed to the place of the plate 133.

Claims

1. An explosion-proof type gas detection alarm, its characterized in that: the anti-explosion alarm comprises an alarm body (1), wherein a display screen (2) is fixedly arranged on the front surface of the alarm body (1), an anti-explosion junction box (4) is fixedly arranged at the upper end of the alarm body (1), an anti-explosion threading pipe (5) is fixedly arranged at one end of the anti-explosion junction box (4), an audible-visual alarm (3) is fixedly arranged at one end, far away from the anti-explosion threading pipe (5), of the anti-explosion junction box (4), a detection head (6) is fixedly arranged at the lower end of the alarm body (1), and a filtering mechanism (7) is fixedly arranged at the lower end of the detection pipe of the detection head (6);

the utility model provides a filter mechanism (7) is including mount pad (701) and mount pad (703), mount pad (701) fixed connection is in the lower extreme of detecting head (6), the upper end symmetry fixed mounting of mount pad (703) has spliced pole (702), the one end that connecting seat (703) was kept away from to spliced pole (702) and the lower extreme of mount pad (701) are pegged graft and are connected, the upper end equiangular fixed mounting of mount pad (703) has strong magnet (705), mount pad (703) are connected through strong magnet (705) and mount pad (701) magnetic force, the lower extreme fixed mounting of mount pad (703) has grid board (704), the upper end swing joint of mount pad (703) has filter sleeve (706).

2. An explosion-proof gas detection alarm according to claim 1, wherein: the lower end of the mounting seat (701) is provided with a slot (9), and the upper end of the connecting column (702) is in plug-in connection with the slot (9).

3. An explosion-proof gas detection alarm according to claim 1, wherein: the lower end of the mounting seat (701) is provided with a fixing groove (10), and the connecting seat (703) is magnetically connected with the fixing groove (10) through a strong magnetic block (705).

4. An explosion-proof gas detection alarm according to claim 1, wherein: the outside of connecting seat (703) is fixedly mounted with handle (8), handle (8) symmetric distribution is in the left and right sides of connecting seat (703).

5. An explosion-proof gas detection alarm according to claim 1, wherein: the upper end of connecting seat (703) fixed mounting has assembly seat (12), the upper end of assembly seat (12) is pegged graft with the lower extreme of filter housing (706) and is connected, the outside symmetry fixed mounting of assembly seat (12) has fixed subassembly (13), the lower extreme outer wall joint connection of assembly seat (12) through fixed subassembly (13) and filter housing (706).

6. An explosion-proof gas detection alarm according to claim 5, wherein: the fixing assembly (13) comprises a square sleeve (132), the square sleeve (132) is symmetrically and fixedly installed on the outer side of the assembly seat (12), a limiting plate (133) is fixedly connected to the inner side of the square sleeve (132) in a sliding mode, a clamping block (135) is fixedly installed on one side of the limiting plate (133), the clamping end of the clamping block (135) is slidably connected with the inner side of the square sleeve (132) and the outer wall of the lower end of the filtering sleeve (706) in a clamping mode, a spring (134) is symmetrically and fixedly installed on one side, away from the clamping block (135), of the limiting plate (133), a shifting plate (131) is fixedly installed on the upper end of the limiting plate (133).

7. An explosion-proof gas detection alarm according to claim 6, wherein: the outer wall of the lower end of the filter sleeve (706) is symmetrically provided with clamping grooves (11), the upper end surface of the clamping end of the clamping block (135) is in an inclined surface shape, and the clamping end of the clamping block (135) is connected with the clamping grooves (11) in a clamping connection mode.

8. An explosion-proof gas detection alarm according to claim 6, wherein: the inside symmetry fixed mounting of square cover (132) has round bar (14), limiting plate (133) sliding connection is in round bar (14) outside, the middle part of spring (134) is run through to one end of round bar (14).