Waste gas detection sampler capable of preventing impurities from entering

Abstract

The waste gas detection sampler comprises a waste gas pipeline, a sampling pipe is fixedly mounted at the left end of the waste gas pipeline, and a connecting plate is connected to the outer side of the left end of the sampling pipe; the filter screen is fixedly mounted on the left side of the interior of the connecting plate, a mounting rod is connected to the upper side of the interior of the connecting plate, and a moving plate is connected to the outer side of the mounting rod; the air pump is fixedly installed on the right side of the interior of the box body, the upper side of the air pump is connected with a connecting pipe, the left side of the interior of the box body is connected with a taking structure, the taking structure comprises a fixing plate, a first spring, a moving block, a clamping plate, a connecting plate and a connecting rod, and the inner side of the taking structure is connected with a sampling bottle. And a second spring is fixedly arranged on the upper side in the sampling bottle. According to the waste gas detection sampler capable of preventing impurities from entering, the sampler and the sampling pipe can be conveniently butted, impurities in waste gas can be conveniently prevented from entering, and a sampling bottle can be conveniently taken.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas detection, in particular to a waste gas detection sampler which can prevent impurities from entering. Background Art

[0002] A sampler refers to a structure that selects representative samples from a target object. Exhaust gas detection refers to a measure to detect various pollutant gases discharged into the air. Samplers are needed in the process of exhaust gas detection. During the use of the exhaust gas detection sampler, a removal structure is needed to prevent impurities from entering, thereby improving the use effect of the exhaust gas detection sampler, such as:

[0003] Chinese patent authorization announcement number CN219511896U discloses a factory exhaust gas detection sampling device, which belongs to the field of industrial exhaust gas collection technology, including: a sampling hood, a driving assembly, and a handle. The sampling hood is used to connect the sampling port of the exhaust gas pipe. The driving assembly is connected to the sampling hood to control the sealing of the sampling hood and the sampling port and remove the sealing member of the sampling port. The handle is connected to the driving assembly. The side of the sampling hood is connected with a sampling tube arranged along the handle. The present application provides an expandable sampling hood to facilitate docking and sealing with the sampling port of the exhaust gas pipe, thereby achieving convenient connection and stable docking. At the same time, a sealing assembly is provided to connect with the sampling hood, and the opening and closing of the sampling port is controlled by the sealing assembly to achieve automatic docking sampling, reduce exhaust gas diffusion, and improve sampling efficiency.

[0004] The above-mentioned prior art solutions have the following defects: when the sampler and the sampling port are docked, they are connected through an expanded sampling cover, and the ordinary exhaust gas detection sampler has a poor effect on removing impurities from the exhaust gas, and it is not convenient enough to take the sampling bottle. Therefore, the utility model provides an exhaust gas detection sampler that prevents impurities from entering, so as to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide an exhaust gas detection sampler that prevents impurities from entering, so as to solve the problem proposed in the above-mentioned background technology that the sampler and the sampling port are connected through an expanded sampling cover when docking, the ordinary exhaust gas detection sampler has a poor effect on removing impurities from the exhaust gas, and it is not convenient to take the sampling bottle.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: an exhaust gas detection sampler for preventing impurities from entering, comprising an exhaust gas pipeline, a sampling tube is fixedly installed on the left end of the exhaust gas pipeline, and a connecting plate is connected to the outer side of the left end of the sampling tube, a sealing ring is fixedly installed on the inner side of the right end of the connecting plate, and a fixing rod is connected to the outer side of the right end of the connecting plate, and a box is connected to the outer side of the left end of the connecting plate;

[0007] The filter screen is fixedly mounted on the left side of the interior of the connecting plate, and a mounting rod is connected to the upper side of the interior of the connecting plate, a movable plate is connected to the outer side of the mounting rod, and bristles are fixedly arranged on the left end of the movable plate, a cylinder is fixedly arranged on the front side of the interior of the connecting plate, and a blocking plate is installed on the lower side of the cylinder;

[0008] An air pump is fixedly installed on the right side of the interior of the box, and a connecting pipe is connected to the upper side of the air pump. A picking structure is connected to the left side of the interior of the box, and the picking structure includes a fixed plate, a first spring, a moving block, a clamping plate, a connecting plate and a connecting rod. A sampling bottle is connected to the inner side of the picking structure, a second spring is fixedly arranged on the upper side of the interior of the sampling bottle, and a movable plug is rotatably connected to the upper side of the sampling bottle.

[0009] Preferably, the sampling tube and the sealing ring are connected by snap-fitting, and the vertical cross-section of the sampling tube is a "T"-shaped structure.

[0010] Preferably, the sampling tube is connected to the fixing rod by means of threads, and the fixing rod is symmetrically distributed up and down about the center line of the sampling tube.

[0011] Preferably, a fixing plate is fixedly installed on the inner lower side of the box body, and a first spring is fixedly provided on the outer side of the fixing plate, a connecting plate is clamped and installed on the left side of the front end of the box body, and a connecting rod is connected to the outer side of the connecting plate, a moving block is fixedly installed on the outer side of the first spring, and a clamping plate is fixedly connected to the inner side of the moving block.

[0012] Preferably, the mounting rod and the movable plate are connected by threads, and the lower side of the movable plate is fittedly connected to the inner lower side of the connecting plate.

[0013] Preferably, the bristles are evenly distributed on the inner side of the movable plate and play a role in cleaning impurities on the filter screen.

[0014] Preferably, the vertical cross-section shape between the clamping plate and the moving block forms a "π"-shaped structure, and the moving block and the fixed plate are connected in a sliding manner.

[0015] Preferably, the connecting plate and the connecting rod are connected by threads, and the connecting plate and the box body are connected by snap-fitting.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the waste gas detection sampler that prevents impurities from entering is convenient for docking the sampler and the sampling tube, convenient for preventing impurities in the waste gas from entering, and convenient for taking the sampling bottle;

[0017] By snap-fitting the connection plate to the outer side of the left end of the sampling tube, the connection plate drives the sealing ring to snap-fit ​​and connect to the inner side of the left end of the sampling tube, and the fixing rod is rotated to make the fixing rod threadedly connected to the outer side of the right end of the connection plate, so that the fixing rod is threadedly connected to the outer side of the sampling tube, which facilitates the connection between the connection plate and the sampling tube;

[0018] By rotating the connecting rod, the connecting rod is threadedly connected to the outside of the connecting plate, so that the connecting rod is separated at the left side of the front end of the box body, and then the connecting plate is separated at the left side of the box body, and then the moving block is pulled outward, so that the moving block drives the clamping plate to slide outward, so that the moving block drives the first spring to extend, and then the clamping plate is separated at the outside of the sampling bottle, which is convenient for taking the sampling bottle;

[0019] The filter screen is fixedly installed on the left side of the connecting plate to prevent impurities in the exhaust gas from entering. The motor drives the mounting rod to rotate on the upper side of the connecting plate to move the movable plate threadedly connected to the mounting rod, so that the movable plate drives the brush to scrape the impurities on the surface of the filter screen. The cylinder is started to drive the blocking plate to slide upward, so that the impurities scraped off from the inside of the connecting plate are discharged through the hole structure on the front side of the connecting plate, which is convenient for cleaning the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0021] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0023] Figure 4 This is a schematic diagram of the side cross-sectional structure of the connection between the mounting rod and the movable plate of the utility model;

[0024] Figure 5 It is a schematic diagram of the top view of the cross-sectional structure of the connection between the sampling bottle and the clamping plate of the utility model.

[0025] In the figure: 1. exhaust gas pipe; 2. sampling tube; 3. connecting plate; 4. fixing rod; 5. box; 6. air pump; 7. connecting tube; 8. fixing plate; 9. sampling bottle; 10. sealing ring; 11. filter; 12. mounting rod; 13. moving plate; 14. bristles; 15. first spring; 16. moving block; 17. clamping plate; 18. second spring; 19. movable plug; 20. cylinder; 21. blocking plate; 22. connecting plate; 23. connecting rod. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-5 The utility model provides a technical solution: an exhaust gas detection sampler for preventing impurities from entering, comprising: a sampling tube 2 is fixedly installed on the left end of the exhaust gas pipeline 1, and a connecting plate 3 is connected to the outer side of the left end of the sampling tube 2, a sealing ring 10 is fixedly installed on the inner side of the right end of the connecting plate 3, and a fixing rod 4 is connected to the outer side of the right end of the connecting plate 3, and a box body 5 is connected to the outer side of the left end of the connecting plate 3, the connecting plate 3 is installed on the outer side of the left end of the sampling tube 2, so that the connecting plate 3 drives the sealing ring 10 to connect to the inner side of the left end of the sampling tube 2, and the fixing rod 4 is rotated to connect the fixing rod 4 to the outer side of the right end of the connecting plate 3, so that the fixing rod 4 is connected to the outer side of the sampling tube 2, so that the connecting plate 3 and the sampling tube 2 are conveniently connected;

[0028] The filter screen 11 is fixedly mounted on the inner left side of the connecting plate 3, and a mounting rod 12 is connected to the inner upper side of the connecting plate 3, a movable plate 13 is connected to the outer side of the mounting rod 12, and a brush 14 is fixedly arranged on the left end of the movable plate 13, a cylinder 20 is fixedly arranged on the inner front side of the connecting plate 3, and a blocking plate 21 is installed on the lower side of the cylinder 20, through the filter screen 11 fixedly mounted on the inner left side of the connecting plate 3, it is convenient to prevent impurities in the exhaust gas from entering, the motor drives the mounting rod 12 to rotate on the inner upper side of the connecting plate 3, so that the movable plate 13 connected to the mounting rod 12 moves, so that the movable plate 13 drives the brush 14 to scrape off the impurities on the surface of the filter screen 11, and the cylinder 20 is started, so that the cylinder 20 drives the blocking plate 21 to slide upward, so that the impurities scraped off from the inside of the connecting plate 3 are discharged through the hole-like structure on the front side of the connecting plate 3, which is convenient for cleaning the filter screen 11;

[0029] The air pump 6 is fixedly installed on the right side of the box body 5, and the upper side of the air pump 6 is connected to the connecting pipe 7. The left side of the box body 5 is connected to the picking structure, and the picking structure includes a fixed plate 8, a first spring 15, a moving block 16, a clamping plate 17, a connecting plate 22 and a connecting rod 23. The inner side of the picking structure is connected to the sampling bottle 9, and the upper side of the sampling bottle 9 is fixedly provided with a second spring 18, and the upper side of the sampling bottle 9 is rotatably connected to the movable plug 19. Start the air pump 6 to make the air pump 6 take the exhaust gas inside the exhaust pipe 1. The exhaust gas is extracted into the interior of the connecting tube 7, so that the exhaust gas inside the connecting tube 7 pushes the movable plug 19 to rotate, and then the movable plug 19 drives the second spring 18 to be compressed, so that the exhaust gas enters the interior of the sampling bottle 9, and the air pump 6 is turned off, so that the second spring 18 drives the movable plug 19 to rotate, so that the movable plug 19 is fitted and sealed on the upper side of the sampling bottle 9, ensuring a good sampling effect of the exhaust gas, and rotating the taking structure to separate the taking structure on the outside of the sampling bottle 9, so as to facilitate the taking of the sampling bottle 9.

[0030] When using the exhaust gas detection sampler that avoids the entry of impurities, the specific Figure 1 , Figure 2 and Figure 3 In the embodiment, the connecting plate 3 is snap-fitted and installed on the outer side of the left end of the sampling tube 2, the sampling tube 2 and the sealing ring 10 are connected by snap-fitting, and the vertical cross-section of the sampling tube 2 is a "T"-shaped structure, so that the connecting plate 3 drives the sealing ring 10 to snap-fit ​​and connect on the inner side of the left end of the sampling tube 2, and the sampling tube 2 and the fixing rod 4 are connected by threads, and the fixing rod 4 is symmetrically distributed up and down about the center line of the sampling tube 2, and the fixing rod 4 is rotated to make the fixing rod 4 threadedly connected on the outer side of the right end of the connecting plate 3, so that the fixing rod 4 is in the sampling tube 2. The outer side of the connecting plate 3 and the sampling tube 2 are connected by thread, so as to facilitate the connection between the connecting plate 3 and the sampling tube 2. The air pump 6 is started, so that the air pump 6 draws the exhaust gas inside the exhaust pipe 1 into the inside of the connecting tube 7, so that the exhaust gas inside the connecting tube 7 pushes the movable plug 19 to rotate, and then the movable plug 19 drives the second spring 18 to be compressed, so that the exhaust gas enters the sampling bottle 9, and the air pump 6 is turned off, so that the second spring 18 drives the movable plug 19 to rotate, so that the movable plug 19 is sealed on the upper side of the sampling bottle 9, thereby ensuring a good sampling effect of the exhaust gas;

[0031] Specific as Figure 1 , Figure 3 and Figure 5In the process, the connecting rod 23 is rotated, the connecting plate 22 and the connecting rod 23 are connected by a threaded manner, and the connecting plate 22 and the box body 5 are connected by a snap-fitting manner, so that the connecting rod 23 is threadedly connected on the outside of the connecting plate 22, so that the connecting rod 23 is separated at the left side of the front end of the box body 5, and then the connecting plate 22 is separated on the left side of the box body 5, the vertical cross-section shape between the clamping plate 17 and the moving block 16 forms a "π"-shaped structure, and the moving block 16 is connected to the fixed plate 8 by a sliding manner, and then the moving block 16 is pulled outward, so that the moving block 16 drives the clamping plate 17 to slide outward, so that the moving block 16 drives the first spring 15 to extend, and then the clamping plate 17 is separated on the outside of the sampling bottle 9, which is convenient for taking the sampling bottle 9;

[0032] Specific as Figure 1 and Figure 4 The filter 11 is fixedly installed on the left side of the connecting plate 3 to prevent impurities in the exhaust gas from entering. The mounting rod 12 is connected to the movable plate 13 in a threaded manner, and the lower side of the movable plate 13 is fitted with the lower side of the inner side of the connecting plate 3. The motor drives the mounting rod 12 to rotate on the upper side of the inner side of the connecting plate 3, so that the movable plate 13 threadedly connected to the mounting rod 12 moves. The bristles 14 are evenly distributed on the inner side of the movable plate 13 and clean the impurities on the filter 11, so that the movable plate 13 drives the bristles 14 to scrape off the impurities on the surface of the filter 11, and the cylinder 20 is started to drive the blocking plate 21 to slide upward, so that the impurities scraped off from the inside of the connecting plate 3 are discharged through the hole structure on the front side of the connecting plate 3, which is convenient for cleaning the filter 11.

[0033] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An exhaust gas detection sampler that prevents impurities from entering, characterized in that: include: An exhaust gas pipe (1) has a sampling tube (2) fixedly mounted on its left end, and a connecting plate (3) is connected to the outer side of the left end of the sampling tube (2), a sealing ring (10) is fixedly mounted on the inner side of the right end of the connecting plate (3), and a fixing rod (4) is connected to the outer side of the right end of the connecting plate (3), and a box (5) is connected to the outer side of the left end of the connecting plate (3); A filter screen (11) is fixedly mounted on the left side of the interior of the connecting plate (3), and a mounting rod (12) is connected to the upper side of the interior of the connecting plate (3), a movable plate (13) is connected to the outer side of the mounting rod (12), and a brush (14) is fixedly arranged on the left end of the movable plate (13), and a cylinder (20) is fixedly arranged on the front side of the interior of the connecting plate (3), and a blocking plate (21) is installed on the lower side of the cylinder (20); An air pump (6) is fixedly mounted on the right side of the interior of the box (5), and a connecting pipe (7) is connected to the upper side of the air pump (6). A picking structure is connected to the left side of the interior of the box (5), and the picking structure comprises a fixed plate (8), a first spring (15), a moving block (16), a clamping plate (17), a connecting plate (22) and a connecting rod (23). A sampling bottle (9) is connected to the inner side of the picking structure, a second spring (18) is fixedly arranged on the upper side of the interior of the sampling bottle (9), and a movable plug (19) is rotatably connected to the upper side of the sampling bottle (9).

2. The exhaust gas detection sampler for preventing impurities from entering according to claim 1, characterized in that: The sampling tube (2) and the sealing ring (10) are connected in a snap-fit ​​manner, and the vertical cross-section of the sampling tube (2) is a "T"-shaped structure.

3. The exhaust gas detection sampler for preventing impurities from entering according to claim 2, characterized in that: The sampling tube (2) and the fixing rod (4) are connected in a threaded manner, and the fixing rod (4) is symmetrically distributed up and down about the center line of the sampling tube (2).

4. The exhaust gas detection sampler for preventing impurities from entering according to claim 1, characterized in that: A fixing plate (8) is fixedly mounted on the lower inner side of the box body (5), and a first spring (15) is fixedly arranged on the outer side of the fixing plate (8); a connecting plate (22) is snap-fittedly mounted on the left front end of the box body (5), and a connecting rod (23) is connected to the outer side of the connecting plate (22); a moving block (16) is fixedly mounted on the outer side of the first spring (15), and a clamping plate (17) is fixedly connected to the inner side of the moving block (16).

5. The exhaust gas detection sampler for preventing impurities from entering according to claim 1, characterized in that: The mounting rod (12) and the movable plate (13) are connected in a threaded manner, and the lower side of the movable plate (13) is fittedly connected to the inner lower side of the connecting plate (3).

6. The exhaust gas detection sampler for preventing impurities from entering according to claim 1, characterized in that: The bristles (14) are evenly distributed on the inner side of the movable plate (13) and play a role in cleaning impurities on the filter screen (11).

7. The exhaust gas detection sampler for preventing impurities from entering according to claim 4, characterized in that: The vertical cross-section between the clamping plate (17) and the moving block (16) forms a "π"-shaped structure, and the moving block (16) and the fixed plate (8) are connected in a sliding manner.

8. The exhaust gas detection sampler for preventing impurities from entering according to claim 4, characterized in that: The connection plate (22) and the connecting rod (23) are connected in a threaded manner, and the connection plate (22) and the box body (5) are connected in a snap-fit ​​manner.

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