Gas detector with protective shell

Abstract

The utility model discloses a gas detector with a protective shell, which comprises the protective shell, a sealing door is arranged on one side of the protective shell, a mounting frame is arranged in the protective shell, the mounting frame is connected with the protective shell through a buffer assembly, a gas detector body is arranged in the mounting frame, and a fastening assembly matched with the gas detector body is arranged in the mounting frame. A gas inlet pipe is arranged at the bottom end of the gas detector body, and the bottom end of the gas inlet pipe extends out of the protective shell. The gas detector has the beneficial effects that by arranging the buffer assembly, when the protective shell vibrates, the mounting frame can be damped, the situation that internal devices are damaged due to excessive vibration of the gas detector body in the mounting frame is prevented, and by arranging the fastening assembly, the gas detector body and the mounting frame can be fixedly connected; the gas detector body is prevented from sliding in the mounting frame, the gas detector is safer and more reliable, and the fastening assembly is more convenient to operate through screw-thread fit of the adjusting screw rod and the pressing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detectors, in particular to a gas detector with a protective shell. Background Art

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

[0003] According to a gas detector with a protective shell disclosed in Chinese patent CN202222380019.6, the application uses the protective shell to protect the gas detector body, prevent the gas detector body from being damaged by external forces, and can achieve a certain dust-proof effect. The fixing assembly facilitates the rapid installation and fixation of the gas detector body, and the operation is simpler and more convenient. The existing gas detector with a protective shell mainly uses a spring and a lifting plate to elastically limit the gas detector body. When the protective shell vibrates, the gas detector body is prone to collide with the inner wall of the protective shell, and the safety is relatively low.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Summary of the invention

[0005] In view of the problems in the related technology, the utility model proposes a gas detector with a protective shell to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A gas detector with a protective shell comprises a protective shell, a sealing door is provided on one side of the protective shell, a mounting frame is provided in the protective shell, the mounting frame is connected to the protective shell through a buffer component, a gas detector body is provided in the mounting frame, a fastening component matching the gas detector body is provided in the mounting frame, an air intake pipe is provided at the bottom end of the gas detector body, the bottom end of the air intake pipe extends to the outside of the protective shell, and a dustproof net is provided at the bottom end of the air intake pipe.

[0008] Preferably, a plurality of evenly distributed heat dissipation holes are provided at the top of the protective shell, a plurality of evenly distributed L-shaped fixing frames are provided at a side of the protective shell away from the sealing door, and mounting holes are provided on the L-shaped fixing frames.

[0009] Preferably, an observation port is provided on one side of the sealing door, and a matching protective glass is provided on the observation port.

[0010] Preferably, the protective shell and the mounting frame are both provided with through holes matching the air inlet pipe.

[0011] Preferably, the buffer assembly includes a symmetrically arranged mounting sleeve provided at the bottom end of the protective shell, a matching slider being provided in the mounting sleeve, the bottom end of the slider being connected to the mounting sleeve via a spring, a support rod extending outside the mounting sleeve and connected to the mounting frame being provided at the top of the slider, and a sliding hole matching the support rod being provided at the top of the mounting sleeve.

[0012] Preferably, a symmetrically arranged damper is provided at the bottom inner end of the protective shell and between the two groups of the mounting sleeves, and two ends of the damper are respectively connected to the protective shell and the mounting frame.

[0013] Preferably, the fastening assembly includes an adjusting screw rod provided at the top end of the installation frame, a movable sleeve is provided on the outer wall of the adjusting screw rod, a pressure plate is provided at the bottom end of the movable sleeve, a symmetrically arranged limit pin 1 is provided at the bottom end of the pressure plate, a limit groove 1 matching the limit pin 1 is provided at the top end of the gas detector body, a symmetrically arranged limit pin 2 is provided at the bottom end of the installation frame, and a limit groove 2 matching the limit pin 2 is provided at the bottom end of the gas detector body.

[0014] Preferably, the adjusting screw is connected to the mounting frame via a bearing, the top end of the adjusting screw extends outside the mounting frame and is connected to a rotating wheel, a threaded groove matching the adjusting screw is formed on the inner wall of the movable sleeve, symmetrical guide frames are provided on both sides of the movable sleeve, and a guide groove matching the guide frame is formed on the inner wall of the mounting frame.

[0015] The beneficial effects of the utility model are as follows: by arranging a buffer component, the installation frame can be shock-absorbing when the protective shell vibrates, thereby preventing the gas detector body in the installation frame from being damaged due to excessive vibration. By arranging a fastening component, the gas detector body and the installation frame can be fixedly connected to prevent the gas detector body from sliding in the installation frame, which is safer and more reliable. At the same time, the fastening component is more convenient to operate by adjusting the screw rod and the pressure plate thread. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1It is a schematic diagram of the overall structure of a gas detector with a protective shell according to an embodiment of the utility model;

[0018] Figure 2 This is a front view of a gas detector with a protective housing according to an embodiment of the utility model;

[0019] Figure 3 It is a side view of a gas detector with a protective housing according to an embodiment of the utility model;

[0020] Figure 4 It is a cross-sectional view of a protective shell in a gas detector with a protective shell according to an embodiment of the utility model;

[0021] Figure 5 It is a structural schematic diagram of an installation frame in a gas detector with a protective shell according to an embodiment of the utility model;

[0022] Figure 6 yes Figure 5 A local enlarged schematic diagram of point A in the middle.

[0023] In the figure:

[0024] 1. Protective shell; 2. Sealing door; 3. Installation frame; 4. Gas detector body; 5. Inlet pipe; 6. Heat dissipation hole; 7. L-shaped fixing bracket; 8. Observation port; 9. Installation sleeve; 10. Slider; 11. Spring; 12. Support rod; 13. Damper; 14. Adjusting screw; 15. Movable sleeve; 16. Pressure plate; 17. Limit pin 1; 18. Limit pin 2; 19. Rotating wheel; 20. Guide frame. DETAILED DESCRIPTION

[0025] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0026] According to an embodiment of the utility model, a gas detector with a protective shell is provided. Example

[0027] like Figure 1-6As shown, a gas detector with a protective shell according to an embodiment of the utility model includes a protective shell 1, a sealing door 2 is provided on one side of the protective shell 1, a mounting frame 3 is provided in the protective shell 1, the mounting frame 3 is connected to the protective shell 1 through a buffer assembly, a gas detector body 4 is provided in the mounting frame 3, a fastening assembly matching the gas detector body 4 is provided in the mounting frame 3, an air inlet pipe 5 is provided at the bottom end of the gas detector body 4, the bottom end of the air inlet pipe 5 extends to the outside of the protective shell 1, and a dustproof net is provided at the bottom end of the air inlet pipe 5. Example

[0028] like Figure 1-6 As shown, the gas detector with a protective shell according to the embodiment of the utility model comprises a protective shell 1, a sealing door 2 is provided on one side of the protective shell 1, a mounting frame 3 is provided in the protective shell 1, the mounting frame 3 is connected to the protective shell 1 through a buffer component, a gas detector body 4 is provided in the mounting frame 3, a fastening component matching the gas detector body 4 is provided in the mounting frame 3, an air inlet pipe 5 is provided at the bottom end of the gas detector body 4, the bottom end of the air inlet pipe 5 extends to the outside of the protective shell 1, and a dustproof net is provided at the bottom end of the air inlet pipe 5. A plurality of evenly distributed heat dissipation holes 6 are provided at the top of the protective shell 1, and a plurality of evenly distributed L-shaped fixing frames 7 are provided on the side of the protective shell 1 away from the sealing door 2, and a mounting hole is provided on the L-shaped fixing frame 7. An observation port 8 is provided on one side of the sealing door 2, and a matching protective glass is provided on the observation port 8. The buffer assembly includes a symmetrically arranged mounting sleeve 9 provided at the bottom end of the protective shell 1, a matching slider 10 is provided in the mounting sleeve 9, the bottom end of the slider 10 is connected to the mounting sleeve 9 through a spring 11, a support rod 12 extending to the outside of the mounting sleeve 9 and connected to the mounting frame 3 is provided at the top end of the slider 10, and a sliding hole matching the support rod 12 is provided at the top end of the mounting sleeve 9. A symmetrically arranged damper 13 is provided at the bottom end of the protective shell 1 and between the two groups of mounting sleeves 9, and the two ends of the damper 13 are respectively connected to the protective shell 1 and the mounting frame 3. When the protective shell 1 vibrates, the mounting frame 3 will squeeze the spring 11 through the support rod 12 and the slider 10 to achieve a buffering effect. At the same time, the mounting frame 3 squeezes the damper 13, and the mounting frame 3 is damped by the elastic buffering of the spring 11 and the damping cooperation of the damper 13. By setting the buffer assembly, the mounting frame can be damped when the protective shell vibrates, so as to prevent the gas detector body in the mounting frame from being damaged due to excessive vibration. Example

[0029] like Figure 1-6As shown, the gas detector with a protective shell according to the embodiment of the utility model comprises a protective shell 1, a sealing door 2 is provided on one side of the protective shell 1, a mounting frame 3 is provided in the protective shell 1, the mounting frame 3 is connected to the protective shell 1 through a buffer component, a gas detector body 4 is provided in the mounting frame 3, a fastening component matching the gas detector body 4 is provided in the mounting frame 3, an air inlet pipe 5 is provided at the bottom end of the gas detector body 4, the bottom end of the air inlet pipe 5 extends to the outside of the protective shell 1, and a dustproof net is provided at the bottom end of the air inlet pipe 5. Through holes matching the air inlet pipe 5 are provided on the protective shell 1 and the mounting frame 3. The fastening assembly includes an adjusting screw 14 provided at the top of the mounting frame 3, a movable sleeve 15 is provided on the outer wall of the adjusting screw 14, a pressure plate 16 is provided at the bottom of the movable sleeve 15, a symmetrically arranged limit pin 17 is provided at the bottom of the pressure plate 16, a limit groove 1 matching the limit pin 17 is provided at the top of the gas detector body 4, a symmetrically arranged limit pin 2 18 is provided at the bottom of the mounting frame 3, and a limit groove 2 matching the limit pin 2 18 is provided at the bottom of the gas detector body 4. The adjusting screw 14 is connected to the mounting frame 3 through a bearing, the top of the adjusting screw 14 extends to the outside of the mounting frame 3 and is connected to the rotating wheel 19, a threaded groove matching the adjusting screw 14 is provided on the inner wall of the movable sleeve 15, symmetrically arranged guide frames 20 are provided on both sides of the movable sleeve 15, and a guide groove matching the guide frame 20 is provided on the inner wall of the mounting frame 3. When installing the gas detector body 4, first, the personnel opens the sealing door 2 and places the gas detector body 4 into the installation frame 3, so that the limit pin 2 18 on the installation frame 3 is inserted into the limit groove 2 on the bottom end of the gas detector body 4, and the air intake pipe 5 on the gas detector body 4 extends through the through hole to the outside of the protective shell 1, and then manually rotates the rotating wheel 19 to drive the adjusting screw 14 to rotate, and the adjusting screw 14 drives the movable sleeve 15 to move downward, and the movable sleeve 15 drives the pressure plate 16 to move downward, and the pressure plate 16 drives the limit pin 17 to move downward and insert it into the limit groove 1 on the top of the gas detector body 4 to limit it. By setting a fastening assembly, the gas detector body can be fixedly connected to the installation frame to prevent the gas detector body from sliding in the installation frame, which is safer and more reliable. At the same time, the fastening assembly is more convenient to operate through the adjustment of the screw and the pressure plate thread.

[0030] In actual application, when the protective shell 1 vibrates, the installation frame 3 will achieve a buffering effect by squeezing the spring 11 through the support rod 12 and the slider 10. At the same time, the installation frame 3 squeezes the damper 13, and the installation frame 3 is shock-absorbing through the elastic buffering of the spring 11 and the damping cooperation of the damper 13. By setting the buffer component, the installation frame can be shock-absorbing when the protective shell vibrates to prevent the gas detector body in the installation frame from being damaged due to excessive vibration. When installing the gas detector body 4, the personnel first open the sealing door 2 and put the gas detector body 4 into the installation frame 3, so that the limit pin 18 on the installation frame 3 is inserted into the gas detector body In the limiting groove 2 on the bottom end of the body 4, the air inlet pipe 5 on the gas detector body 4 extends through the through hole to the outside of the protective shell 1, and then the rotating wheel 19 is manually rotated to drive the adjusting screw 14 to rotate, and the adjusting screw 14 drives the movable sleeve 15 to move downward, and the movable sleeve 15 drives the pressure plate 16 to move downward, and the pressure plate 16 drives the limiting pin 17 to move downward and insert it into the limiting groove 1 on the top end of the gas detector body 4 to limit it. By setting a fastening assembly, the gas detector body can be fixedly connected to the installation frame to prevent the gas detector body from sliding in the installation frame, which is safer and more reliable. At the same time, the fastening assembly is more convenient to operate through the adjustment of the screw and the pressure plate thread.

[0031] To sum up, with the help of the above-mentioned technical scheme of the utility model, by setting a buffer component, the installation frame can be shock-absorbing when the protective shell vibrates, thereby preventing the gas detector body in the installation frame from being damaged due to excessive vibration and causing internal components to be damaged. By setting a fastening component, the gas detector body and the installation frame can be fixedly connected to prevent the gas detector body from sliding in the installation frame, which is safer and more reliable. At the same time, the fastening component is more convenient to operate by adjusting the screw rod and the pressure plate thread.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gas detector with a protective housing, characterized in that: The invention comprises a protective shell (1), a sealing door (2) is provided on one side of the protective shell (1), a mounting frame (3) is provided in the protective shell (1), the mounting frame (3) is connected to the protective shell (1) via a buffer component, a gas detector body (4) is provided in the mounting frame (3), a fastening component matching the gas detector body (4) is provided in the mounting frame (3), an air inlet pipe (5) is provided at the bottom end of the gas detector body (4), the bottom end of the air inlet pipe (5) extends to the outside of the protective shell (1), and a dustproof net is provided at the bottom end of the air inlet pipe (5).

2. A gas detector with a protective housing according to claim 1, characterized in that: The top of the protective shell (1) is provided with a plurality of evenly distributed heat dissipation holes (6), and a side of the protective shell (1) away from the sealing door (2) is provided with a plurality of evenly distributed L-shaped fixing frames (7), wherein the L-shaped fixing frames (7) are provided with mounting holes.

3. A gas detector with a protective shell according to claim 1, characterized in that: An observation port (8) is provided on one side of the sealing door (2), and a protective glass matching the observation port (8) is provided on the observation port (8).

4. A gas detector with a protective housing according to claim 1, characterized in that: The protective shell (1) and the mounting frame (3) are both provided with through holes matching the air inlet pipe (5).

5. A gas detector with a protective housing according to claim 1, characterized in that: The buffer assembly comprises a symmetrically arranged mounting sleeve (9) provided at the inner bottom end of the protective shell (1), a matching slider (10) being provided in the mounting sleeve (9), the bottom end of the slider (10) being connected to the mounting sleeve (9) via a spring (11), a supporting rod (12) extending outside the mounting sleeve (9) and connected to the mounting frame (3) being provided at the top end of the slider (10), and a sliding hole matching the supporting rod (12) being provided at the top end of the mounting sleeve (9).

6. A gas detector with a protective housing according to claim 5, characterized in that: A symmetrically arranged damper (13) is provided at the inner bottom end of the protective shell (1) and between the two groups of mounting sleeves (9), and two ends of the damper (13) are respectively connected to the protective shell (1) and the mounting frame (3).

7. A gas detector with a protective housing according to claim 1, characterized in that: The fastening assembly comprises an adjusting screw (14) provided at the top end of the installation frame (3), a movable sleeve (15) is sleeved on the outer wall of the adjusting screw (14), a pressure plate (16) is provided at the bottom end of the movable sleeve (15), a symmetrically arranged limit pin (17) is provided at the bottom end of the pressure plate (16), a limit groove (1) matching the limit pin (17) is provided at the top end of the gas detector body (4), a symmetrically arranged limit pin (18) is provided at the bottom end of the installation frame (3), and a limit groove (2) matching the limit pin (18) is provided at the bottom end of the gas detector body (4).

8. A gas detector with a protective housing according to claim 7, characterized in that: The adjusting screw rod (14) is connected to the mounting frame (3) via a bearing, the top end of the adjusting screw rod (14) extends outside the mounting frame (3) and is connected to a rotating wheel (19), the inner wall of the movable sleeve (15) is provided with a threaded groove matching the adjusting screw rod (14), symmetrical guide frames (20) are provided on both sides of the movable sleeve (15), and the inner wall of the mounting frame (3) is provided with a guide groove matching the guide frame (20).

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