Flue gas sampling gun with adjustable gun body length

Abstract

The utility model discloses a flue gas sampling gun with adjustable gun body length, which comprises a sampling gun body, a connecting pipe, an adjusting pipe, a sampling gun barrel, an auxiliary gun barrel and an adjusting ring, one side of the sampling gun body is fixedly connected with a gun handle, the connecting pipe is connected with the sampling gun body through a connector, a telescopic pipe is communicated between the adjusting pipe and the connecting pipe, and the adjusting ring is connected with the gun handle. The telescopic pipe can be expanded or contracted along with the movement of the adjusting pipe, the sampling gun pipe is communicated to one side of the adjusting pipe, the two auxiliary gun pipes are communicated to one side of the sampling gun pipe, smoke in a flue can be sampled through the sampling gun pipe and the two auxiliary gun pipes, the adjusting ring is fixedly connected to one side of the adjusting pipe, and the sampling gun pipe and the two auxiliary gun pipes are arranged in the sampling gun pipe. And an adjusting assembly is arranged on the adjusting ring. According to the flue gas sampling gun with the adjustable gun body length, the stability during flue gas detection can be conveniently improved through cooperation of the connecting pipe, the connector, the adjusting pipe, the sampling gun barrel, the auxiliary gun barrel, the adjusting ring, the adjusting assembly and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke sampling guns, in particular to a smoke sampling gun with an adjustable gun body length. Background Art

[0002] The flue gas sampling gun is an important environmental monitoring tool. It uses the pitot tube isokinetic sampling weight method to collect particulate matter in the flue, the electrolysis method to determine the harmful gases in the flue, and the dry-wet bulb method to determine the moisture content in the flue. The current flue gas sampling gun is not convenient to adjust the length of the sampling gun barrel according to the actual sampling needs, and has high limitations during sampling;

[0003] In view of the above problems, the prior art proposes a utility model with patent publication number CN218546277U, which discloses a flue gas sampling gun. When in use, a slide groove is provided on the top of the sampling gun body, and a slider matching the slide groove is provided on the slide groove. The length of the pitot tube can be adjusted by only pushing the slider on the sampling gun body. Although it is convenient to adjust the length of the sampling gun barrel, when detecting the flue gas in the flue, the slider easily drives the pitot tube to move, and the staff needs to manually adjust and fix it, and the stability during flue gas detection is poor. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a smoke sampling gun with an adjustable gun body length, so as to solve the problem of poor stability during smoke detection proposed in the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a smoke sampling gun with adjustable gun body length, comprising a sampling gun body, one side of which is fixedly connected to a gun handle, and further comprising a connecting tube, an adjusting tube, a sampling gun barrel, an auxiliary gun barrel and an adjusting ring;

[0008] The connecting tube is connected to the sampling gun body through a connecting head;

[0009] A telescopic tube is connected between the regulating tube and the connecting tube;

[0010] The sampling gun barrel is connected to one side of the regulating tube;

[0011] The auxiliary gun barrels are provided in two numbers, and the two auxiliary gun barrels are both connected to one side of the sampling gun barrel;

[0012] The adjusting ring is fixedly connected to one side of the adjusting tube, and an adjusting component is arranged on the adjusting ring.

[0013] Preferably, the adjustment component comprises:

[0014] A protective cover, the protective cover is fixedly connected to one side of the sampling gun body;

[0015] A protection box, the protection box is connected to the protection cover through the protection cover;

[0016] A rotating column, the rotating column penetrates and is rotatably connected to the protection box, and a rotating plate is fixedly connected to one side of the rotating column;

[0017] A positioning assembly, the positioning assembly being disposed between the rotating plate and the protective box;

[0018] A gear, the gear being fixedly connected to the rotating column;

[0019] An adjustment plate is fixedly connected to the adjustment ring, a plurality of tooth grooves matching the gears are formed on the adjustment plate, and the adjustment plate is slidably connected to the protective cover.

[0020] As a further solution of the present application, the positioning component includes:

[0021] A positioning protrusion, wherein the positioning protrusion is provided in plurality, and the plurality of positioning protrusions are arranged on the rotating plate in a circular array;

[0022] A driven plate, the driven plate being fixedly connected to the outer side wall of the protection box;

[0023] A positioning cylinder, the positioning cylinder being fixedly connected to the bottom end of the driven plate;

[0024] A positioning rod, the positioning rod penetrates and is slidably connected to the positioning cylinder, and a compression spring is fixedly connected between the positioning rod and the inner side wall of the positioning cylinder;

[0025] A positioning plate is fixedly connected to one side of the positioning rod, and a positioning groove matching the positioning protrusion is formed on the positioning plate.

[0026] On the basis of the above-mentioned scheme, a protective opening is opened on one side of the protective box, and a protective cover is detachably connected to the protective opening. A fixing plate is fixedly connected to the protective cover, and two fixing bars are symmetrically connected to the fixing plate. The bottom ends of the two fixing bars are fixedly connected to fixing rods, and a fixing groove matching the fixing rods is opened on the protective box.

[0027] It is further explained that two sliding plates are symmetrically connected to the adjustment plate, a sliding groove for the sliding plates to slide is provided on the inner side wall of the protective cover, two limit blocks are symmetrically connected to the sliding plate, and two limit grooves for the limit blocks to slide are provided at the sliding groove.

[0028] It should also be noted that a connecting block is fixedly connected to the outer wall of the protective box, and a rotating groove is provided on the connecting block for the rotating column to rotate. A connecting plate is fixedly connected to one side of the rotating column, and a connecting groove is provided on the connecting block for the connecting plate to rotate.

[0029] (III) Beneficial effects

[0030] Compared with the prior art, the utility model provides a flue gas sampling gun with adjustable gun body length, which has the following beneficial effects:

[0031] 1. In the utility model, the cooperation of the sampling gun body, the connector and the connecting pipe facilitates the communication of the telescopic tube, so as to facilitate the communication of the adjusting tube. At the same time, the adjusting tube facilitates the communication of the sampling gun barrel and the auxiliary gun barrel. The cooperation of the sampling gun barrel and the two auxiliary gun barrels facilitates the sampling of the flue gas;

[0032] 2. In the utility model, the adjusting assembly facilitates the adjusting ring to push the adjusting tube, so as to facilitate pushing the auxiliary barrel and the sampling barrel, thereby facilitating adjusting the sampling positions of the auxiliary barrel and the sampling barrel;

[0033] 3. In the present invention, after the adjustment is completed, the positioning assembly facilitates the fixing of the rotating plate, the rotating column and the gear, so as to facilitate the fixing of the adjusting plate and the adjusting ring, thereby facilitating the fixing of the adjusting tube, the sampling gun barrel and the auxiliary gun barrel, thereby improving the stability of the sampling gun barrel and the auxiliary gun barrel during sampling;

[0034] 4. Therefore, compared with the existing technology, the smoke sampling gun with adjustable gun body length has the problem of poor stability during smoke detection. It is convenient to improve the stability during smoke detection through the cooperation of connecting tubes, connecting heads, adjusting tubes, sampling gun barrels, auxiliary gun barrels, adjusting rings and adjusting components. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 A schematic diagram of the overall structure of this application;

[0036] Figure 2 For this application Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0037] Figure 3 This is a schematic cross-sectional view of the protective cover, protective box and protective cover of the present application;

[0038] Figure 4 This is a schematic diagram of the exploded structure of the protective box, protective cover and connecting block of the present application;

[0039] Figure 5This is a schematic cross-sectional structure diagram of the coordination of the positioning tube, positioning rod and positioning plate of the present application.

[0040] In the figure: 1. sampling gun body; 2. gun handle; 3. connecting tube; 4. adjusting tube; 5. telescopic tube; 6. sampling gun barrel; 7. auxiliary gun barrel; 8. adjusting ring; 9. protective cover; 10. protective box; 11. rotating column; 12. rotating plate; 13. gear; 14. adjusting plate; 15. positioning protrusion; 16. positioning cylinder; 17. positioning rod; 18. compression spring; 19. positioning plate; 20. protective cover; 21. fixing plate; 22. fixing strip; 23. fixing rod; 24. sliding plate; 25. limiting block; 26. connecting block; 27. connecting plate; 28. rotating ring; 29. ​​positioning strip. DETAILED DESCRIPTION

[0041] 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.

[0042] See also Figures 1 to 5 A flue gas sampling gun with adjustable gun body length comprises a sampling gun body 1, a gun handle 2 is fixedly connected to one side of the sampling gun body 1, and also comprises a connecting tube 3, an adjusting tube 4, a sampling gun barrel 6, an auxiliary gun barrel 7 and an adjusting ring 8. The connecting tube 3 is connected to the sampling gun body 1 through a connector, and a telescopic tube 5 is connected between the adjusting tube 4 and the connecting tube 3. The telescopic tube 5 will expand or contract as the adjusting tube 4 moves. The sampling gun barrel 6 is connected to one side of the adjusting tube 4. Two auxiliary gun barrels 7 are provided, and the two auxiliary gun barrels 7 are both connected to one side of the sampling gun barrel 6. The flue gas in the flue can be sampled through the sampling gun barrel 6 and the two auxiliary gun barrels 7. The adjusting ring 8 is fixedly connected to one side of the adjusting tube 4, and an adjusting component is provided on the adjusting ring 8.

[0043] See also Figures 1 to 5The adjusting assembly includes a protective cover 9, a protective box 10, a rotating column 11, a positioning assembly, a gear 13 and an adjusting plate 14. The protective cover 9 is fixedly connected to one side of the sampling gun body 1, the protective box 10 is connected to the protective cover 9 through the protective cover 9, the rotating column 11 is connected to the protective box 10 through the rotating column 11, and the rotating plate 12 is fixedly connected to one side of the rotating column 11. The rotating plate 12 is fixedly connected to one side of the rotating plate 12. The rotating ring 28 is convenient for rotating the rotating plate 12. The positioning assembly is arranged between the rotating plate 12 and the protective box 10. The gear 13 is fixedly connected to the rotating column 11. The adjusting plate 14 is fixedly connected to the adjusting ring 8, and a plurality of tooth grooves matching the gear 13 are provided on the adjusting plate 14, and the adjusting plate 14 is slidably connected to the protective cover 9, and two sliding plates 24 are symmetrically connected to the adjusting plate 14, and a sliding groove for sliding the sliding plate 24 is provided on the inner side wall of the protective cover 9, and two limiting blocks 25 are symmetrically connected to the sliding plate 24, and two limiting grooves for sliding the limiting blocks 25 are provided at the sliding groove, and the cooperation between the limiting blocks 25 and the limiting groove facilitates the increase of the stability of the sliding of the sliding plate 24 in the sliding groove;

[0044] By rotating the rotating plate 12 through the rotating ring 28, the rotating plate 12 can drive the rotating column 11 to rotate, so as to rotate the gear 13. Through the engagement of the gear 13 and multiple tooth grooves, the adjustment plate 14 can be moved when the gear 13 rotates, so that the adjustment plate 14 can move the adjustment tube 4 through the adjustment ring 8, so that the sampling positions of the sampling barrel 6 and the auxiliary barrel 7 can be adjusted.

[0045] See also Figures 1 to 5 The positioning assembly includes a positioning protrusion 15, a driven plate, a positioning cylinder 16, a positioning rod 17 and a positioning plate 19. The positioning protrusion 15 is provided in plurality, and the plurality of positioning protrusions 15 are provided in a circular array on the rotating plate 12. The driven plate is fixedly connected to the outer wall of the protective box 10, the positioning cylinder 16 is fixedly connected to the bottom end of the driven plate, the positioning rod 17 is slidably connected to the positioning cylinder 16, a compression spring 18 is fixedly connected between the positioning rod 17 and the inner wall of the positioning cylinder 16, a positioning bar 29 is connected to the positioning rod 17, a positioning groove for the sliding of the positioning bar 29 is provided on the positioning cylinder 16, and the stability of the sliding of the positioning bar 29 on the positioning cylinder 16 can be increased. The positioning plate 19 is fixedly connected to one side of the positioning rod 17, and a positioning groove matching the positioning protrusion 15 is provided on the positioning plate 19;

[0046] When the sampling barrel 6 moves to a suitable position and needs to be fixed, the rotation of the rotating plate 12 is stopped. At the same time, the positioning rod 17 moves in the positioning tube 16 through the compression spring 18 and the positioning bar 29 to facilitate the movement of the positioning plate 19, so that the corresponding positioning protrusion 15 can enter the positioning groove, thereby facilitating the fixing of the positions of the rotating plate 12, the rotating column 11, the gear 13, the adjustment plate 14, the adjustment tube 4 and the sampling barrel 6.

[0047] See also Figures 1 to 5 A protective opening is provided on one side of the protective box 10, and a protective cover 20 is detachably connected to the protective opening. A fixing plate 21 is fixedly connected to the protective cover 20, and two fixing bars 22 are symmetrically connected to the fixing plate 21. The bottom ends of the two fixing bars 22 are fixedly connected to fixing rods 23, and a fixing groove matching the fixing rods 23 is provided on the protective box 10;

[0048] The gear 13 can be easily inspected and repaired through the protective opening. By installing the fixing rod 23 in the fixing groove, the two fixing bars 22 can be installed on the protective box 10, so that the fixing plate 21 can drive the protective cover 20 to be installed at the protective opening, thereby protecting the interior of the protective box 10.

[0049] See also Figures 1 to 5 A connecting block 26 is fixedly connected to the outer wall of the protection box 10, and a rotating groove for the rotating column 11 to rotate is opened on the connecting block 26, and a connecting plate 27 is fixedly connected to one side of the rotating column 11, and a connecting groove for the connecting plate 27 to rotate is opened on the connecting block 26;

[0050] The rotating column 11 can be rotated on the connecting block 26 through the rotating groove, and the stability of the rotating column 11 on the connecting block 26 can be increased through the cooperation between the connecting plate 27 and the connecting groove.

[0051] To sum up, when the sampling position of the sampling barrel 6 and the auxiliary barrel 7 needs to be adjusted for the smoke sampling gun with adjustable gun body length, the rotating plate 12 is rotated by the rotating ring 28, so that the rotating plate 12 rotates the rotating column 11 to facilitate the rotation of the gear 13. When the gear 13 rotates, the adjusting plate 14 will drive the adjusting tube 4 to move through the adjusting ring 8 to facilitate the adjustment of the sampling position of the sampling barrel 6 and the auxiliary barrel 7. Then the rotating plate 12 is stopped to allow the corresponding positioning protrusion 15 to enter the positioning groove, and the rotating plate 12 can be fixed to facilitate the fixation of the positions of the rotating column 11, gear 13, adjusting plate 14, adjusting tube 4 and sampling barrel 6.

[0052] 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 flue gas sampling gun with adjustable gun body length, comprising a sampling gun body (1), one side of the sampling gun body (1) is fixedly connected to a gun handle (2), characterized in that: Also includes: A connecting tube (3), the connecting tube (3) being connected to the sampling gun body (1) via a connecting head; An adjusting pipe (4), wherein a telescopic pipe (5) is connected between the adjusting pipe (4) and the connecting pipe (3); A sampling gun barrel (6), wherein the sampling gun barrel (6) is connected to one side of the regulating tube (4); Auxiliary gun barrels (7), wherein two auxiliary gun barrels (7) are provided, and both of the two auxiliary gun barrels (7) are connected to one side of the sampling gun barrel (6); An adjusting ring (8), wherein the adjusting ring (8) is fixedly connected to one side of the adjusting tube (4), and an adjusting component is arranged on the adjusting ring (8).

2. A smoke sampling gun with adjustable gun body length according to claim 1, characterized in that: The adjustment component comprises: A protective cover (9), wherein the protective cover (9) is fixedly connected to one side of the sampling gun body (1); A protection box (10), the protection box (10) being connected through the protection cover (9); A rotating column (11), the rotating column (11) penetrates and is rotatably connected to the protection box (10), and a rotating plate (12) is fixedly connected to one side of the rotating column (11); A positioning assembly, the positioning assembly being arranged between the rotating plate (12) and the protective box (10); A gear (13), wherein the gear (13) is fixedly connected to the rotating column (11); An adjustment plate (14), the adjustment plate (14) is fixedly connected to the adjustment ring (8), a plurality of tooth grooves matching the gear (13) are formed on the adjustment plate (14), and the adjustment plate (14) is slidably connected to the protective cover (9).

3. A smoke sampling gun with adjustable gun body length according to claim 2, characterized in that: The positioning component comprises: A positioning protrusion (15), wherein the positioning protrusion (15) is provided in plurality, and the plurality of positioning protrusions (15) are arranged on the rotating plate (12) in a circular array; A driven plate, the driven plate being fixedly connected to the outer side wall of the protection box (10); A positioning cylinder (16), wherein the positioning cylinder (16) is fixedly connected to the bottom end of the driven plate; A positioning rod (17), the positioning rod (17) penetrates and is slidably connected to the positioning cylinder (16), and a compression spring (18) is fixedly connected between the positioning rod (17) and the inner side wall of the positioning cylinder (16); A positioning plate (19), wherein the positioning plate (19) is fixedly connected to one side of the positioning rod (17), and a positioning groove matching the positioning protrusion (15) is formed on the positioning plate (19).

4. The smoke sampling gun with adjustable gun body length according to claim 3, characterized in that: A protective opening is provided on one side of the protective box (10), a protective cover (20) is detachably connected to the protective opening, a fixing plate (21) is fixedly connected to the protective cover (20), two fixing bars (22) are symmetrically connected to the fixing plate (21), the bottom ends of the two fixing bars (22) are fixedly connected to fixing rods (23), and a fixing groove matching the fixing rods (23) is provided on the protective box (10).

5. The smoke sampling gun with adjustable gun body length according to claim 4, characterized in that: Two sliding plates (24) are symmetrically connected to the adjustment plate (14), a sliding groove for the sliding plates (24) to slide is provided on the inner side wall of the protective cover (9), two limit blocks (25) are symmetrically connected to the sliding plate (24), and two limit grooves for the limit blocks (25) to slide are provided at the sliding groove.

6. The smoke sampling gun with adjustable gun body length according to claim 5, characterized in that: A connecting block (26) is fixedly connected to the outer wall of the protection box (10), and a rotating groove for the rotating column (11) to rotate is provided on the connecting block (26); and a connecting plate (27) is fixedly connected to one side of the rotating column (11), and a connecting groove for the connecting plate (27) to rotate is provided on the connecting block (26).

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