Fixed gas detector with adjustable air inlet pressure

Abstract

The utility model relates to a fixed gas detector with adjustable air inlet pressure, which belongs to the technical field of gas detectors and comprises a mounting plate, a gas detector body is arranged on the front side of the mounting plate, three connecting pipes are fixedly connected onto the gas detector body, and protection mechanisms are arranged in the three connecting pipes. An adjusting assembly is arranged on the mounting plate, and two limiting assemblies are arranged on the mounting plate. According to the gas inlet pressure adjustable type fixed gas detector, by arranging the gas pressure control mechanism, the effect of adjusting the pressure of gas is achieved, the gas enters the gas detector body at a preset pressure value to be detected, and by arranging the protection mechanism, the effect of filtering the gas is achieved; therefore, impurities in the gas are prevented from entering the gas detector body to cause damage, the use of a user is facilitated, and the practicability of the gas detector is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detectors, in particular to a fixed gas detector with adjustable air inlet pressure. Background Art

[0002] The gas detector is an instrument for detecting gas concentration. It is suitable for dangerous places where flammable or toxic gases exist. It can continuously detect the content of the gas in the air within the lower explosion limit for a long time. It can be widely used in various industries such as gas, petrochemical, metallurgy, steel, coking, electricity, etc. where flammable or toxic gases exist. It is an ideal monitoring instrument to ensure property and personal safety.

[0003] For example, Chinese patent CN219734945U discloses a fixed gas detector that is easy to disassemble, including a gas detector body and an adsorption structure, a protective cover is fixed to the rear wall of the gas detector body, the adsorption structure includes an adsorption cylinder, a piston block slidably installed inside the adsorption cylinder, and a screw threadedly connected to the adsorption cylinder, one end of the screw passes through the adsorption cylinder, and the other end of the screw is movably connected to the piston block; the adsorption structure and the protective cover are connected by a rotating structure, and the rotating structure is used to control the adsorption structure to be vertical or parallel to the gas detector body. However, the gas detector does not have a protective function, which causes dust and debris in the air and environment to enter the interior of the gas detector and damage it, thereby reducing the monitoring effect of the gas detector. Therefore, a fixed gas detector with adjustable air inlet pressure is proposed to solve the above-mentioned problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a fixed gas detector with adjustable air inlet pressure, which has advantages such as protection. It solves the problem that the gas detector does not have a protection function, which causes dust and debris in the air and environment to enter the interior of the gas detector and damage it, thereby reducing the monitoring effect of the gas detector.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inlet pressure adjustable fixed gas detector, comprising a mounting plate, a gas detector body is arranged on the front of the mounting plate, three connecting pipes are fixedly connected to the gas detector body, and the insides of the three connecting pipes are all provided with protective mechanisms, an adjustment component is arranged on the mounting plate, and two limit components are arranged on the mounting plate;

[0006] The protective mechanism includes an air pressure control mechanism arranged inside the connecting tube, a filter plate is slidably connected inside the connecting tube, two cavities are opened on the connecting tube, first limit springs are fixedly connected inside the two cavities, limit rods are fixedly connected to the two first limit springs, and support blocks are fixedly connected to the tops and bottoms of the two limit rods.

[0007] Furthermore, the adjustment assembly includes two connecting plates connected to the front of the mounting plate, and the two connecting plates are rotatably connected to the opposite sides with threaded rods, and the outer sides of the threaded rods are threadedly connected to movable blocks.

[0008] Furthermore, the limiting assembly includes a sleeve fixedly connected to the front side of the movable block, a positioning rod is slidably connected inside the sleeve, a second limiting spring is sleeved on the outer side of the positioning rod, and a positioning plate is fixedly connected to the outer side of the positioning rod.

[0009] Furthermore, positioning grooves are provided on both the left and right sides of the gas detector body, and the size of the positioning grooves matches the size of the positioning rod.

[0010] Furthermore, a support groove is provided inside the connecting pipe, and the inside of the support groove is slidably connected to the outside of the support block.

[0011] Furthermore, a rectangular through hole for easy pulling is provided on the limiting rod, and a handle for easy pulling is fixedly connected to the positioning rod.

[0012] Furthermore, the filter plate is provided with limit grooves on both left and right sides, and the size of the limit grooves matches the size of the limit rods.

[0013] Furthermore, a guide rod is fixedly connected to one opposite side of the two connecting plates, and the outer side of the guide rod is slidably connected to the inner side of the movable block.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. The fixed gas detector with adjustable air inlet pressure can adjust the gas pressure by setting an air pressure control mechanism, so that the gas can enter the gas detector body at a preset pressure value for detection. The protective mechanism can filter the gas, thereby preventing impurities in the gas from entering the gas detector body and causing damage, which is convenient for users and increases the practicality of the gas detector.

[0016] 2. The fixed gas detector with adjustable air inlet pressure achieves the effect of limiting the gas detector body by setting a limit component, thereby facilitating the rapid disassembly of the gas detector body for replacement and maintenance. By setting an adjustment component, the height of the gas detector body can be adjusted, thereby facilitating the detection of gases at different heights, facilitating the use of users, and improving the practicality of the gas detector. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the connecting pipe of the utility model;

[0019] Figure 3 For this utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 4 For this utility model Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0021] Figure 5 This is a schematic diagram of the limit rod structure of the utility model.

[0022] In the figure: 1. mounting plate; 2. gas detector body; 3. connecting pipe; 4. air pressure control mechanism; 5. filter plate; 6. cavity; 7. first limit spring; 8. limit rod; 9. support block; 10. connecting plate; 11. threaded rod; 12. movable block; 13. sleeve; 14. positioning rod; 15. second limit spring; 16. positioning plate; 17. rectangular through hole; 18. guide rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] For example, see Figure 1-5 In this embodiment, a fixed gas detector with adjustable air inlet pressure includes a mounting plate 1, a gas detector body 2 is arranged on the front of the mounting plate 1, positioning grooves are provided on the left and right sides of the gas detector body 2, three connecting pipes 3 are fixedly connected to the gas detector body 2, supporting grooves are provided inside the connecting pipes 3, and protective mechanisms are provided inside the three connecting pipes 3, an adjustment component is provided on the mounting plate 1, and two limit components are provided on the mounting plate 1.

[0025] It should be noted that the connection tube 3 is provided to facilitate gas to enter the interior of the gas detector body 2 .

[0026] See also Figure 1-5 In this embodiment, the protection mechanism includes an air pressure control mechanism 4 arranged inside the connecting pipe 3, and a filter plate 5 is slidably connected inside the connecting pipe 3.

[0027] It should be noted that the air pressure control mechanism 4 includes an air supply pipeline, a filter pressure reducing valve and a pressure gauge, so as to achieve the effect of regulating the gas pressure. By setting a filter plate 5, the gas can be filtered, thereby preventing impurities in the gas from entering the gas detector body 2 and causing damage.

[0028] See also Figure 1-5 In this embodiment, limit grooves are provided on the left and right sides of the filter plate 5, and two cavities 6 are provided on the connecting pipe 3. The insides of the two cavities 6 are fixedly connected with first limit springs 7, and the two first limit springs 7 are fixedly connected with limit rods 8. The limit rods 8 are provided with rectangular through holes 17 for convenient pulling. The size of the limit grooves is adapted to the size of the limit rods 8. The tops and bottoms of the two limit rods 8 are fixedly connected with support blocks 9, and the inside of the support grooves is slidably connected to the outside of the support blocks 9.

[0029] It should be noted that the filter plate 5 can be quickly disassembled for replacement and cleaning.

[0030] Embodiment 2. In this embodiment, the adjustment component includes two connecting plates 10 connected to the front of the mounting plate 1, the two connecting plates 10 are fixedly connected to the guide rod 18 on the opposite side, the two connecting plates 10 are rotatably connected to the threaded rod 11 on the opposite side, the outer side of the threaded rod 11 is threadedly connected to the movable block 12, and the outer side of the guide rod 18 is slidably connected to the inner side of the movable block 12.

[0031] It should be noted that the effect of limiting the position of the gas detector body 2 is achieved, thereby facilitating the rapid disassembly of the gas detector body 2 for replacement and maintenance.

[0032] In this embodiment, the limiting assembly includes a sleeve 13 fixedly connected to the front side of the movable block 12, a positioning rod 14 is slidably connected inside the sleeve 13, the size of the positioning groove is adapted to the size of the positioning rod 14, a handle for convenient pulling is fixedly connected to the positioning rod 14, a second limiting spring 15 is sleeved on the outer side of the positioning rod 14, and a positioning plate 16 is fixedly connected to the outer side of the positioning rod 14.

[0033] It should be noted that the height of the gas detector body 2 can be adjusted to facilitate the detection of gases at different heights.

[0034] The working principle of the above embodiment is: the fixed gas detector with adjustable air inlet pressure,

[0035] 1) When in use, install the mounting plate 1 on the wall, rotate the threaded rod 11, and the threaded rod 11 drives the movable block 12 to move up and down. By setting the guide rod 18, the movable block 12 is limited and supported, which increases the stability of the movable block 12 during movement. The movable block 12 drives the gas detector body 2 to move up and down, thereby adjusting the height of the gas detector body 2, so as to facilitate the detection of gases at different heights.

[0036] 2) By setting a limit assembly, the two handles are pulled back to back, and the two handles drive the two positioning rods 14 to move back to back, so that the limit rod 14 is pulled out from the positioning groove provided on the gas detector body 2, and at the same time, the positioning plate 16 squeezes the second limit spring 15, thereby facilitating the rapid disassembly of the gas detector body 2 for replacement and maintenance. By setting an air pressure control mechanism 4, the effect of regulating the gas pressure is achieved, so that the gas enters the gas detector body 2 at a preset pressure value for detection. By setting a filter plate 5, the effect of filtering the gas is achieved, thereby preventing impurities in the gas from entering the gas detector body 2 and causing damage.

[0037] 3) The rectangular through hole 17 facilitates pulling the limit rod 8 and withdrawing the limit rod 8 from the limit groove provided on the filter plate 5. By providing the support block 9 and the support groove, the stability of the limit rod 8 during movement is increased, thereby facilitating quick disassembly, replacement and cleaning of the filter plate, thereby facilitating use by users and increasing the practicality of the gas detector.

[0038] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model will no longer explain the control method and circuit connection in detail.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixed gas detector with adjustable air inlet pressure, comprising a mounting plate (1), characterized in that: A gas detector body (2) is arranged on the front of the mounting plate (1), three connecting pipes (3) are fixedly connected to the gas detector body (2), and protective mechanisms are arranged inside the three connecting pipes (3). An adjustment component is arranged on the mounting plate (1), and two limit components are arranged on the mounting plate (1); The protection mechanism comprises an air pressure control mechanism (4) arranged inside the connecting pipe (3); a filter plate (5) is slidably connected inside the connecting pipe (3); two cavities (6) are provided on the connecting pipe (3); first limit springs (7) are fixedly connected inside the two cavities (6); limit rods (8) are fixedly connected to the two first limit springs (7); and support blocks (9) are fixedly connected to the tops and bottoms of the two limit rods (8).

2. The fixed gas detector with adjustable air inlet pressure according to claim 1, characterized in that: The adjustment assembly comprises two connecting plates (10) connected to the front of the mounting plate (1), the two connecting plates (10) are rotatably connected to the opposite side with a threaded rod (11), and the outer side of the threaded rod (11) is threadedly connected to a movable block (12).

3. The fixed gas detector with adjustable air inlet pressure according to claim 2, characterized in that: The limiting assembly comprises a sleeve (13) fixedly connected to the front face of the movable block (12); a positioning rod (14) is slidably connected inside the sleeve (13); a second limiting spring (15) is sleeved on the outer side of the positioning rod (14); and a positioning plate (16) is fixedly connected to the outer side of the positioning rod (14).

4. The fixed gas detector with adjustable air inlet pressure according to claim 3 is characterized in that: Positioning grooves are provided on both the left and right sides of the gas detector body (2), and the size of the positioning grooves matches the size of the positioning rod (14).

5. The fixed gas detector with adjustable air inlet pressure according to claim 1, characterized in that: A support groove is provided inside the connecting pipe (3), and the inside of the support groove is slidably connected to the outside of the support block (9).

6. The fixed gas detector with adjustable air inlet pressure according to claim 3, characterized in that: The limiting rod (8) is provided with a rectangular through hole (17) for easy pulling, and the positioning rod (14) is fixedly connected with a handle for easy pulling.

7. The fixed gas detector with adjustable air inlet pressure according to claim 1, characterized in that: The filter plate (5) is provided with limit grooves on both the left and right sides, and the size of the limit grooves matches the size of the limit rod (8).

8. The fixed gas detector with adjustable air inlet pressure according to claim 3 is characterized in that: A guide rod (18) is fixedly connected to one opposite side of the two connecting plates (10), and the outer side of the guide rod (18) is slidably connected to the inside of the movable block (12).

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