A Pen-Shaped Gas Detector with Liquid Crystal Display

Abstract

The utility model proposes a pen-shaped gas detector with a liquid crystal display, which belongs to the technical field of gas detectors. It aims at the problem that when the gas detector is used and carried, the gas detection end of the gas detector is exposed to the outside and is easily touched, causing damage and affecting the detection effect. The utility model comprises an upper shell and a lower shell, one side of the upper shell is fixedly installed with the gas detection end, the top of the upper shell is fixedly installed with a liquid crystal control display, the bottom end of the lower shell is provided with a groove, the inner side wall of the groove is fixedly installed with a spring, one end of the spring is fixedly installed with a sliding block, one side of the sliding block is fixedly installed with a connecting rod, one side of the connecting rod is fixedly installed with a rotating shaft, one side of the rotating shaft is rotatably installed with a protective cover, and the protective cover is adapted to the gas detection end. The utility model is convenient for protecting the gas detection end through the arrangement of structures such as the groove, the spring, the sliding block, the connecting rod, the rotating shaft and the protective cover, thereby prolonging the service life of the gas detector and enhancing the practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detectors, in particular to a pen-shaped gas detector with a liquid crystal display. Background Art

[0002] Methane is a non-polar molecule with a regular tetrahedral structure and is the simplest organic matter. Methane is a major component of conventional natural gas, shale gas, combustible ice, etc. It is a very important carbon-based resource. It is the most important non-CO2 greenhouse gas. In the stratosphere of the atmosphere, methane will be decomposed into water vapor, which will cause the destruction of the ozone layer. The gas detector is an instrument for measuring gas concentration. It generally includes sensors, gas pipelines, PCB circuit boards, batteries and other components. According to the specific distribution of each component, it is necessary to design a corresponding clamping structure on the shell to fix the components installed inside it, which can be used to detect the concentration of methane or combustible gas.

[0003] The portable gas detector in the prior art has a patent announcement number of CN217739133U. The above patent includes a shell, a control module arranged on the shell, a power supply module electrically connected to the control module, a gas sensor, a button module and an alarm module. The button module includes a low-sensitivity test button and a high-sensitivity test button. During use, the user switches between the low-sensitivity test button and the high-sensitivity test button. When the second concentration threshold is set to a safe value and the first concentration threshold is set to a critical value that may cause danger, if the alarm module only sends an alarm signal when switching to the high-sensitivity test button, it means that the measured gas concentration in the current environment does not exceed the standard. However, there are still the following deficiencies in actual use: From a practical point of view, when the gas detector is in use, the gas concentration is detected through the gas detection end. However, when the existing gas detector is used and carried, the gas detection end of the gas detector is exposed to the outside and is easily touched, causing damage, thereby affecting the detection effect.

[0004] Therefore, a pen-shaped gas detector with a liquid crystal display is needed to solve the problem in the prior art that when the gas detector is used and carried, the gas detection end of the gas detector is exposed to the outside and is easily touched, causing damage and affecting the detection effect. Utility Model Content

[0005] In order to solve the above problems, the utility model proposes a pen-shaped gas detector with a liquid crystal display, so as to more accurately solve the problem that when the above-mentioned gas detector is used and carried, the gas detection end of the gas detector is exposed to the outside and is easily touched, causing damage and affecting the detection effect.

[0006] The utility model is realized by the following technical solutions:

[0007] A pen-shaped gas detector with a liquid crystal display comprises an upper shell and a lower shell, a gas detection end is fixedly mounted on one side of the upper shell, a liquid crystal control display is fixedly mounted on the top of the upper shell, a groove is opened at the bottom end of the lower shell, a spring is fixedly mounted on the inner side wall of the groove, a sliding block is fixedly mounted on one end of the spring, a connecting rod is fixedly mounted on one side of the sliding block, a rotating shaft is fixedly mounted on one side of the connecting rod, a protective cover is rotatably mounted on one side of the rotating shaft, the protective cover is adapted to the gas detection end, and an operation button is arranged between the upper shell and the lower shell.

[0008] Furthermore, a sponge pad is provided inside the protective cover, and the protective cover and the sponge pad are fixedly connected.

[0009] Furthermore, an arc groove is provided between the upper shell and the lower shell, and silicone pads are bonded to the upper shell and the lower shell in the arc groove.

[0010] Furthermore, a pen clip is fixedly mounted on one side of the top end of the upper shell.

[0011] Furthermore, a waterproof film is provided on the outer surface of the liquid crystal control display, and the waterproof film is a transparent film.

[0012] Furthermore, a limiting block is fixedly mounted on one end of the bottom of the pen clip.

[0013] Furthermore, the upper shell and the lower shell are fixed by bolts.

[0014] Furthermore, a guide rod is fixedly installed inside the groove, the guide rod is located inside the spring, and the guide rod is slidably connected to the sliding block.

[0015] Beneficial effects of the utility model:

[0016] The utility model provides a pen-shaped gas detector with a liquid crystal display. Through the arrangement of structures such as a groove, a spring, a sliding block, a connecting rod, a rotating shaft and a protective cover, the gas detection end is conveniently protected, the service life of the gas detector is increased, and the practicality is enhanced. Through the arrangement of operating buttons, the liquid crystal control display screen is conveniently operated. Through the arrangement of a guide rod, the movement of the sliding block is guided. Through the arrangement of an arc groove, it is convenient for staff to use the gas detector by hand. Through the arrangement of a pen clip, it is convenient to carry the pen-shaped gas detector in a pocket. Through the fixed connection with bolts, the upper shell and the lower shell are convenient to be disassembled, and the internal components can be maintained and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a structural schematic diagram of another viewing angle of the utility model;

[0019] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of area A in the middle.

[0020] The accompanying drawings are marked as follows: 1. upper shell; 2. lower shell; 3. gas detection end; 4. liquid crystal control display; 5. groove; 6. spring; 7. sliding block; 8. connecting rod; 9. rotating shaft; 10. protective cover; 11. guide rod; 12. operation button; 13. arc groove; 14. pen clip. DETAILED DESCRIPTION

[0021] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0022] Please refer to Figure 1-Figure 3 The utility model proposes a pen-shaped gas detector with a liquid crystal display, comprising an upper shell 1 and a lower shell 2, a gas detection end 3 is fixedly installed on one side of the upper shell 1, a liquid crystal control display 4 is fixedly installed on the top of the upper shell 1, a groove 5 is opened at the bottom end of the lower shell 2, a spring 6 is fixedly installed on the inner side wall of the groove 5, a sliding block 7 is fixedly installed on one end of the spring 6, a connecting rod 8 is fixedly installed on one side of the sliding block 7, a rotating shaft 9 is fixedly installed on one side of the connecting rod 8, a protective cover 10 is rotatably installed on one side of the rotating shaft 9, and the protective cover 10 is adapted to the gas detection end 3, an operation button 12 is arranged between the upper shell 1 and the lower shell 2, and the arrangement of the groove 5, the spring 6, the sliding block 7, the connecting rod 8, the rotating shaft 9 and the protective cover 10 and other structures facilitates the protection of the gas detection end 3, improves the service life of the gas detector, and enhances the practicality. The pen-shaped gas detector is a prior art, and the specific structure and principle have been disclosed and will not be repeated here.

[0023] Please refer to Figure 1-Figure 3 A waterproof film is arranged on the outer surface of the liquid crystal control display 4, and the waterproof film is a transparent film. The setting of the waterproof film can protect the liquid crystal control display 4. A sponge pad is arranged inside the protective cover 10, and the protective cover 10 and the sponge pad are fixedly connected. Through the setting of the sponge pad, after the protective cover 10 closes the gas detection end 3, one end of the protective cover 10 abuts against the upper shell 1 or the lower shell 2, and the gas detection end 3 contacts the sponge pad, so as to further protect the gas detection end 3.

[0024] Please refer to Figure 1-Figure 3 An arc groove 13 is provided between the upper shell 1 and the lower shell 2, and silicone pads are bonded to the upper shell 1 and the lower shell 2 in the arc groove 13. The setting of the arc groove 13 makes it convenient for staff to use the gas detector by hand, and the silicone pad is provided in the arc groove 13 to improve the comfort of the user.

[0025] Please refer to Figure 1-Figure 3 A pen clip 14 is fixedly installed on one side of the top of the upper shell 1. The setting of the pen clip 14 makes it easy to carry the pen-shaped gas detector in a pocket. A limiting block is fixedly installed on one end of the bottom of the pen clip 14. The setting of the limiting block improves the clamping effect of the pen clip and enhances the placement stability of the pen-shaped gas detector.

[0026] Please refer to Figure 1-Figure 3 The upper shell 1 and the lower shell 2 are fixed by bolts. The bolted connection facilitates the disassembly of the upper shell 1 and the lower shell 2 and the maintenance and replacement of the internal components. A guide rod 11 is fixedly installed inside the groove 5. The guide rod 11 is located in the spring 6. The guide rod 11 is slidably connected to the sliding block 7. The setting of the guide rod 11 guides the movement of the sliding block 7.

[0027] Working principle: When detecting the concentration of methane or combustible gas, the staff uses a pen-shaped gas detector for detection. The specific structure of the pen-shaped gas detector is a prior art and will not be described here. During the carrying process, the gas detection end 3 is protected by the protective cover 10 to increase the service life of the gas detector and enhance its practicality. When in use, the spring 6 is extended by moving the sliding block 7 to move the protective cover 10 to one side. After the protective cover 10 is separated from the gas detection end 3, the protective cover 10 is flipped downward by the setting of the rotating shaft 9, the sliding block 7 is released, the spring 6 contracts, and the protective cover 10 is driven to move. When the protective cover 10 is in use, By moving the sliding block 7, the spring 6 is extended, and then the protective cover 10 is flipped over so that the protective cover 10 is level with the gas detection end 3. The sliding block 7 is moved in the opposite direction, and the spring 6 is contracted, so that the protective cover 10 covers the gas detection end 3. The guide rod 11 is provided to guide the movement of the sliding block 7. The arc groove 13 is provided to facilitate the use of the gas detector by the staff. The operation button 12 is provided to facilitate the operation of the liquid crystal control display screen 4. The pen clip 14 is provided to facilitate the pen-shaped gas detector to be carried in the pocket. The upper shell 1 and the lower shell 2 are fixedly connected by bolts, which facilitates the disassembly of the upper shell 1 and the maintenance and replacement of the internal components.

[0028] Of course, the present utility model may have many other implementations. Based on the present implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present utility model.

Claims

1. A pen-shaped gas detector with a liquid crystal display, comprising an upper shell and a lower shell, characterized in that: A gas detection end is fixedly installed on one side of the upper shell, a liquid crystal control display is fixedly installed on the top of the upper shell, a groove is opened at the bottom end of the lower shell, a spring is fixedly installed on the inner side wall of the groove, a sliding block is fixedly installed on one end of the spring, a connecting rod is fixedly installed on one side of the sliding block, a rotating shaft is fixedly installed on one side of the connecting rod, a protective cover is rotatably installed on one side of the rotating shaft, the protective cover is adapted to the gas detection end, and operation buttons are arranged between the upper shell and the lower shell.

2. A pen-shaped gas detector with a liquid crystal display according to claim 1, characterized in that: A sponge pad is arranged inside the protective cover, and the protective cover is fixedly connected to the sponge pad.

3. A pen-shaped gas detector with liquid crystal display according to claim 2, characterized in that: An arc groove is provided between the upper shell and the lower shell, and silicone pads are bonded to the upper shell and the lower shell in the arc groove.

4. A pen-shaped gas detector with a liquid crystal display according to claim 1, characterized in that: A pen clip is fixedly mounted on one side of the top end of the upper shell.

5. A pen-shaped gas detector with a liquid crystal display according to claim 1, characterized in that: The outer surface of the liquid crystal control display is provided with a waterproof film, and the waterproof film is a transparent film.

6. A pen-shaped gas detector with a liquid crystal display according to claim 4, characterized in that: A limiting block is fixedly mounted on one end of the bottom of the pen clip.

7. A pen-shaped gas detector with a liquid crystal display according to claim 1, characterized in that: The upper shell and the lower shell are fixed by bolts.

8. A pen-shaped gas detector with a liquid crystal display according to claim 1, characterized in that: A guide rod is fixedly installed inside the groove, the guide rod is located in the spring, and the guide rod is slidably connected to the sliding block.

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