Anti-blocking sampling head of gas detection sampling machine
By introducing an arc-shaped filter, rotating shaft, brush, and motor structure into the gas detection sampler, the problem of sampling head clogging was solved, achieving efficient gas collection and convenient maintenance, thus improving the sampler's performance.
Patent Information
- Application Number
- CN202422646552.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing gas detection samplers are prone to clogging of the sampling head due to impurities in the gas during the sampling process, which affects the detection results.
A sampling head structure including an arc-shaped filter screen, a rotating shaft, a brush, and a motor was designed. The filter screen is cleaned by the brush, and impurities are collected by the collection box and discharge trough to avoid clogging and facilitate the disassembly and replacement of the filter screen.
It effectively prevents sampling head clogging, improves gas collection efficiency, enhances detection results, and facilitates maintenance and filter replacement.
Smart Images

Figure CN223581496U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of gas detection technology, more particularly to a kind of gas detection sampling machine anti-blocking sampling head. BACKGROUND
[0002] Gas sampling is the process of collecting air pollutants or contaminated air samples, and there are two methods of collection: one is to make a large amount of air pass through a liquid absorbent or a solid adsorbent to enrich the pollutants with low concentration in the air, such as air extraction method, filter membrane method.
[0003] The prior art patent No. CN218994851U, a kind of adjustable outdoor gas sampling machine, comprising: sampling mechanism, the sampling mechanism includes shell, the inner wall of the shell is fixedly installed with air pump, the air outlet of the air pump is communicated with connecting pipe, the connecting pipe is communicated with a plurality of electromagnetic valves on one side, a plurality of the electromagnetic valves are communicated with pressure gauge, the surface of the pressure gauge is threadedly covered with collection tank, the above-mentioned patent has the advantage of sampling multiple groups of gas, solves the problem that the existing adjustable outdoor gas sampling machine is not convenient to extract multiple groups of outdoor gas at different time periods, which can cause inaccurate final detection results of outdoor gas, but there are still the following deficiencies in actual use: starting from reality, the existing gas detection sampling machine is easy to be blocked when sampling gas, which affects the detection effect.
[0004] Therefore, a gas detection sampling machine anti-blocking sampling head is needed to solve the problem of existing technology that the gas detection sampling machine is easy to be blocked when sampling gas, which affects the detection effect. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of gas detection sampling machine anti-blocking sampling head to solve the problems raised in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of gas detection sampling machine anti-blocking sampling head, including No. Shell and No. 2 shell, the side of No. 2 shell is fixedly installed with air inlet cover, the side of No. 1 shell is fixedly installed with gas guide pipe, the inside one side of No. 1 shell is provided with arc filter screen, the inside rotation of No. 2 shell is installed with shaft, the side end of the shaft is fixedly installed with connecting plate, the side end of the connecting plate is fixedly installed with brush, the brush is in contact with the arc filter screen, the side of No. 2 shell is fixedly installed with motor, the output of the motor is fixedly connected with the shaft, the bottom of No. 2 shell is fixedly installed with collection box.
[0007] It needs to be explained in the scheme that the top end and the bottom end of the collecting box are slidably installed with the partition plates.
[0008] It is further worth mentioning that the top end and the bottom end of the first shell and the second shell are fixedly installed with the mounting plates, and the two mounting plates are fixed through mounting bolts.
[0009] It is further mentioned that the partition plate is fixedly installed with a pull rod, and the outer surface of the pull rod is provided with anti-skid lines.
[0010] As a preferred embodiment, the first shell is provided with a mounting groove on one side, and the top end and the bottom end of the arc-shaped filter screen are fixedly installed with mounting blocks, and the mounting blocks are located in the mounting groove.
[0011] As a preferred embodiment, the top and the bottom of the collecting box are provided with openings, and the inner bottom end of the second shell is provided with a discharge chute, and the discharge chute is in communication with the top opening of the collecting box.
[0012] Compared with the prior art, the gas detection sampling machine provided by the utility model has at least the following beneficial effects:
[0013] (1) By arranging the arc-shaped filter screen, the rotating shaft, the connecting plate, the brush and the motor, the arc-shaped filter screen can be cleaned during gas sampling, the sampling head is prevented from being blocked as much as possible, the gas collection efficiency is affected, and the use effect is enhanced.
[0014] (2) By arranging the collecting box and the discharge chute, impurities can be collected, by arranging the partition plates, when the arc-shaped filter screen is cleaned, the top end partition plate is opened, the impurities fall into the collecting box through the discharge chute, when the collecting box is cleaned, the bottom end partition plate is opened, the impurities are discharged, by arranging the mounting plate and the mounting bolt, the first shell and the second shell can be installed and disassembled, by arranging the mounting block and the mounting groove, the arc-shaped filter screen can be disassembled and replaced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the local sectional structure of the utility model;
[0017] Figure 3 It is Figure 2 It is a schematic diagram of the enlarged structure of area A.
[0018] In the figure: 1, the first shell; 2, the second shell; 3, the air inlet cover; 4, the air guide pipe; 5, the arc-shaped filter screen; 6, the rotating shaft; 7, the connecting plate; 8, the brush; 9, the motor; 10, the collection box; 11, the discharge groove; 12, the partition plate; 13, the mounting plate; 14, the mounting bolt; 15, the pull rod; 16, the mounting groove; 17, the mounting block. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] Please refer to Figures 1-3 The utility model provides a kind of gas detection sampling machine anti-blocking sampling head, including first shell 1 and second shell 2, the side fixed mounting of second shell 2 has air inlet cover 3, the side fixed mounting of first shell 1 has air guide pipe 4, the inside one side of first shell 1 is provided with arc-shaped filter screen 5, rotatingly installed with rotating shaft 6 in the inside of second shell 2, the side end fixed mounting of rotating shaft 6 has connecting plate 7, the side end fixed mounting of connecting plate 7 has brush 8, brush 8 is in contact with arc-shaped filter screen 5, the side fixed mounting of second shell 2 has motor 9, the output end of motor 9 is fixedly connected with rotating shaft 6, by the setting of arc-shaped filter screen 5, rotating shaft 6, connecting plate 7, brush 8 and motor 9 and so on, it is convenient to clean arc-shaped filter screen 5 when gas sampling, try to avoid sampling head block, influence gas collection efficiency, enhance use effect.
[0021] Further as Figure 1 , Figure 2 and Figure 3 It is worth noting that, as shown in the drawings, the bottom end of the second shell 2 is fixedly installed with a collection box 10, the top and bottom of the collection box 10 are provided with openings, the inside bottom end of the second shell 2 is provided with a discharge groove 11, the discharge groove 11 is in communication with the top opening of the collection box 10, the top end and the bottom end of the collection box 10 are slidably installed with a partition plate 12, by the setting of the partition plate 12, when cleaning the arc-shaped filter screen 5, open the top end partition plate 12, make the impurities fall into the collection box 10 through the discharge groove 11, when cleaning the collection box 10, open the bottom end partition plate 12, make the impurities discharge.
[0022] The scheme has the following working process: when the gas sampling machine is in use, one end of the air guide pipe 4 is connected with the gas sampling machine, which belongs to the prior art and is not described here, the gas enters the first shell 1 and the second shell 2 through the air inlet cover 3, the impurities in the gas are filtered through the arc-shaped filter screen 5, the gas enters the gas sampling machine through the air guide pipe 4 for detection, the motor 9 is started to drive the rotating shaft 6 to rotate, and the brush 8 cleans the surface of the arc-shaped filter screen 5. When cleaning the arc-shaped filter screen 5, open the top partition plate 12, so that the impurities fall into the collection box 10 through the discharge chute 11. When cleaning the collection box 10, open the bottom partition plate 12 to discharge the impurities.
[0023] According to the above working process, the arc-shaped filter screen 5, the rotating shaft 6, the connecting plate 7, the brush 8 and the motor 9 are arranged, which facilitates cleaning of the arc-shaped filter screen 5 during gas sampling, avoids blockage of the sampling head as much as possible, affects the gas collection efficiency, and enhances the use effect.
[0024] Further as shown in Figure 1 , Figure 2 and Figure 3 , it is worth noting that the top and bottom of the first shell 1 and the second shell 2 are fixedly installed with mounting plates 13, and the two mounting plates 13 are fixed through mounting bolts 14. The mounting plates 13 and the mounting bolts 14 are arranged to facilitate the installation and disassembly of the first shell 1 and the second shell 2.
[0025] Further as shown in Figure 1 , Figure 2 and Figure 3 , it is worth noting that the side of the partition plate 12 is fixedly installed with a pull rod 15, the outer surface of the pull rod 15 is provided with anti-skid lines, the side of the first shell 1 is provided with a mounting groove 16, the top and bottom of the arc-shaped filter screen 5 are fixedly installed with mounting blocks 17, and the mounting blocks 17 are located in the mounting groove 16. The mounting blocks 17 and the mounting groove 16 are arranged to facilitate disassembly and replacement of the arc-shaped filter screen 5.
[0026] In summary: through the arrangement of the arc-shaped filter screen 5, the rotating shaft 6, the connecting plate 7, the brush 8 and the motor 9, the arc-shaped filter screen 5 can be cleaned during gas sampling, the sampling head can be prevented from being blocked as much as possible, the gas collection efficiency can be affected, and the use effect can be enhanced. Through the arrangement of the collection box 10 and the discharge chute 11, the impurities can be collected. Through the arrangement of the partition plate 12, when cleaning the arc-shaped filter screen 5, the top partition plate 12 is opened, the impurities fall into the collection box 10 through the discharge chute 11, when cleaning the collection box 10, the bottom partition plate 12 is opened, the impurities are discharged, the mounting plates 13 and the mounting bolts 14 are arranged to facilitate the installation and disassembly of the first shell 1 and the second shell 2, and the mounting blocks 17 and the mounting groove 16 are arranged to facilitate disassembly and replacement of the arc-shaped filter screen 5.
[0027] The gas sampling machine and motor 9 can be purchased in the market, and the gas sampling machine and motor 9 are provided with a power supply, which is mature technology in the art and has been fully disclosed, so the description is not repeated here.
[0028] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
[0029] Finally: the above is only a preferred embodiment of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A gas detection sampling machine anti-blocking sampling head, comprising a first shell (1) and a second shell, characterized in that, The side of the second shell (2) is fixedly installed with an air inlet cover (3), one side of the first shell (1) is fixedly installed with an air duct (4), the inside of the first shell (1) is provided with an arc-shaped filter screen (5), the inside of the second shell (2) is rotatably installed with a rotating shaft (6), the side end of the rotating shaft (6) is fixedly installed with a connecting plate (7), the side end of the connecting plate (7) is fixedly installed with a brush (8), the brush (8) is in contact with the arc-shaped filter screen (5), one side of the second shell (2) is fixedly installed with a motor (9), the output end of the motor (9) is fixedly connected with the rotating shaft (6), and the bottom end of the second shell (2) is fixedly installed with a collecting box (10).
2. The anti-blocking sampling head of the gas detection sampling machine according to claim 1, wherein: The top end and the bottom end of the collecting box (10) are slidably installed with a partition plate (12).
3. The anti-blocking sampling head of the gas detection sampling machine according to claim 2, characterized in that: The top end and the bottom end of the first shell (1) and the second shell (2) are fixedly installed with mounting plates (13), and the two mounting plates (13) are fixed through mounting bolts (14).
4. The anti-blocking sampling head of the gas detection sampling machine according to claim 3, characterized in that: One side of the partition plate (12) is fixedly installed with a pull rod (15), and the outer surface of the pull rod (15) is provided with anti-skid lines.
5. The anti-blocking sampling head of the gas detection sampling machine according to claim 4, characterized in that: One side of the first shell (1) is provided with a mounting groove (16), the top end and the bottom end of the arc-shaped filter screen (5) are fixedly installed with mounting blocks (17), and the mounting blocks (17) are located in the mounting groove (16).
6. The anti-blocking sampling head of the gas detection sampling machine according to claim 5, characterized in that: The top and the bottom of the collecting box (10) are provided with openings, the bottom end of the inside of the second shell (2) is provided with a discharge chute (11), and the discharge chute (11) is in communication with the top opening of the collecting box (10). The top and the bottom of the collecting box (10) are provided with openings, the bottom end of the inside of the second shell (2) is provided with a discharge chute (11), and the discharge chute (11) is in communication with the top opening of the collecting box (10).