CN214538784U

CN214538784U - Portable low-flow flue gas sampler

Info

Publication number: CN214538784U
Application number: CN202023272298.1U
Authority: CN
Inventors: 冯欢昆; 杨峥; 罗凯
Original assignee: Beijing Chengtian Testing Technology Service Co ltd
Current assignee: Beijing Chengtian Testing Technology Service Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-29
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a portable low-flow smoke sampler, which comprises a smoke sampler main body, an operating panel, a function key and a display screen, wherein a first protective sleeve and a second protective sleeve are sleeved on the surface of the smoke sampler main body, the first protective sleeve is positioned on the top surface of the second protective sleeve, first mounting grooves are symmetrically formed on the front surface and the rear surface of the second protective sleeve, and second mounting grooves are symmetrically formed on the bottom surface of the first protective sleeve; an extrusion block penetrates through the first mounting groove, a first spring is arranged at the joint of the extrusion block and the first mounting groove, a connecting plate is fixed on the top surface of the extrusion block, the top end of the connecting plate extends into the second mounting groove, a sliding block is fixed on the surface of one side, close to the outer wall of the first protective sleeve, of the connecting plate, sliding grooves matched with the sliding block are symmetrically formed in the surface of the second mounting groove, clamping grooves are symmetrically formed in the surface of the first protective sleeve, the sliding block penetrates through the clamping grooves, and the clamping grooves are communicated with the sliding grooves; the bottom surface of the first protective sleeve is provided with a first groove.

Description

Portable low-flow flue gas sampler

Technical Field

The utility model relates to an environmental monitoring equipment technical field especially relates to a portable flue gas low flow sample thief.

Background

Smoke is one of the main pollutants in air, and the pollution of smoke is increasingly serious with the development of socioeconomic performance. The sampling detection of industrial and household smoke dust is the most effective method for detecting the pollutant content and pollutant concentration in the smoke dust. The existing flue gas sampler can extract the smoke dust at a low flow rate through the fan, and then collect pollutants contained in the low flow rate flue gas on filter paper, so that the detection on the concentration of the pollutants is facilitated, the whole volume of the equipment is reduced, and the equipment is convenient to carry.

However, various problems still exist in the use process of various portable low-flow-rate flue gas samplers in the market, and the problems that the protection performance of the existing flue gas sampler is poor if the existing flue gas sampler cannot be protected when falling down in the use process, so that the service life of the flue gas sampler is shortened are not solved, so that the portable low-flow-rate flue gas sampler is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a portable flue gas low flow sample thief through first lag, the second lag that sets up, has effectively avoided the flue gas sample thief main part if can't protect dropping in the use, plays fine guard action to the flue gas sample thief main part, has prolonged the life of flue gas sample thief main part greatly.

In order to solve the technical problem, the utility model provides a following technical scheme: a portable low-flow-rate flue gas sampler comprises a flue gas sampler main body, an operation panel, function keys and a display screen, wherein a first protective sleeve and a second protective sleeve are sleeved on the surface of the flue gas sampler main body, the first protective sleeve is positioned on the top surface of the second protective sleeve, first mounting grooves are symmetrically formed in the front surface and the rear surface of the second protective sleeve, and second mounting grooves are symmetrically formed in the bottom surface of the first protective sleeve; an extrusion block penetrates through the first mounting groove, a first spring is arranged at the joint of the extrusion block and the first mounting groove, a connecting plate is fixed on the top surface of the extrusion block, the top end of the connecting plate extends into the second mounting groove, a sliding block is fixed on the surface of one side, close to the outer wall of the first protective sleeve, of the connecting plate, sliding grooves matched with the sliding block are symmetrically formed in the surface of the second mounting groove, clamping grooves are symmetrically formed in the surface of the first protective sleeve, the sliding block penetrates through the clamping grooves, and the clamping grooves are communicated with the sliding grooves; the bottom surface of the first protective sleeve is provided with a first groove, the top surface of the second protective sleeve is provided with a second groove, and a second spring is arranged at the joint of the first groove and the second groove.

As a preferred technical solution of the present invention, a third mounting groove matched with the function key is formed on the front surface of the operation panel, and a connecting block is fixed on a side surface of the third mounting groove; a limiting plate is fixed on the rear surface of the function key, and a spring sleeve is arranged at the joint of the limiting plate and the connecting block; limiting blocks are fixed on the surfaces of the two ends of the limiting plate, and limiting grooves matched with the limiting blocks are symmetrically formed in the surfaces of the two sides of the third mounting groove.

As an optimized technical scheme of the utility model, the top surface of flue gas sampler main part is fixed with the handle, and the shape of handle is "concave" shape.

As a preferred technical scheme of the utility model, the inboard top surface of handle is provided with the concave surface, and the surface of concave surface is provided with anti-skidding line.

As a preferred technical scheme of the utility model, the one end surface that the extrusion piece is located the second lag and is located is provided with protruding line, and the shape of protruding line is "O" shape.

As an optimal technical scheme of the utility model, one side of display screen is provided with the draw runner, and a side surface that the draw runner is close to the display screen is provided with clean brush.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the first protective sleeve and the second protective sleeve are arranged, so that the main body of the smoke sampler is effectively prevented from being protected if falling down in the using process, the main body of the smoke sampler is well protected, and the service life of the main body of the smoke sampler is greatly prolonged;

2. through limiting plate, the spring housing that sets up, effectively avoided the function button in the flue gas sampler main part to press down the inside that may be absorbed in operating panel for a long time, be favorable to the accuracy of function button to reset, guaranteed that operating panel opens, closes or normal operations such as sampling the flue gas sampler main part, the practicality is stronger.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view, in cross-section, of a portion of the first protective sleeve and the second protective sleeve of fig. 1 in accordance with the present invention;

fig. 3 is a top connection cross-sectional view of the operation panel and the function keys in fig. 1 according to the present invention;

wherein: 1. a flue gas sampler main body; 2. an operation panel; 3. function keys; 4. a first protective cover; 5. a second protective cover; 6. extruding the block; 7. a connecting plate; 8. a first mounting groove; 9. a first spring; 10. a slider; 11. a chute; 12. a card slot; 13. a first groove; 14. a second groove; 15. a second spring; 16. a third mounting groove; 17. connecting blocks; 18. a limiting plate; 19. a limiting block; 20. a limiting groove; 21. a second mounting groove; 22. and a spring sleeve.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 and 2, a portable low-flow sampler for flue gas comprises a main body 1 of the flue gas sampler, an operating panel 2, function keys 3 and a display screen, wherein a first protective sleeve 4 and a second protective sleeve 5 are sleeved on the surface of the main body 1 of the flue gas sampler, the first protective sleeve 4 is positioned on the top surface of the second protective sleeve 5, first mounting grooves 8 are symmetrically formed in the front and back surfaces of the second protective sleeve 5, and second mounting grooves 21 are symmetrically formed in the bottom surface of the first protective sleeve 4; an extrusion block 6 penetrates through the first mounting groove 8, a first spring 9 is arranged at the joint of the extrusion block 6 and the first mounting groove 8, a connecting plate 7 is fixed on the top surface of the extrusion block 6, the top end of the connecting plate 7 extends into the second mounting groove 21, a sliding block 10 is fixed on the surface of one side, close to the outer wall of the first protective sleeve 4, of the connecting plate 7, sliding grooves 11 matched with the sliding block 10 are symmetrically formed in the surface of the second mounting groove 21, clamping grooves 12 are symmetrically formed in the surface of the first protective sleeve 4, the sliding block 10 penetrates through the clamping grooves 12, and the clamping grooves 12 are communicated with the sliding grooves 11; a first groove 13 is formed in the bottom surface of the first protective sleeve 4, a second groove 14 is formed in the top surface of the second protective sleeve 5, and a second spring 15 is arranged at the joint of the first groove 13 and the second groove 14;

when the smoke sampler is used, the first protective sleeve 4 and the second protective sleeve 5 are required to be sleeved on the outer side of the smoke sampler main body 1, firstly, the extrusion block 6 is pressed inwards to enable the extrusion block 6 to drive the connecting plate 7 to move inwards, the first spring 9 is extruded, the sliding block 10 on the connecting plate 7 is separated from the inside of one group of clamping grooves 12, then, the second protective sleeve 5 moves downwards by virtue of the elastic force of the second spring 15, when the first protective sleeve 4 slides to the bottom end, the sliding block 10 on the connecting plate 7 indirectly pops out from the inside of the other group of clamping grooves 12 by virtue of the elastic force of the first spring 9, the second spring 15 is also stretched to enable the first protective sleeve 4 and the second protective sleeve 5 to be separated and not to be tightly attached any more, the smoke sampler main body 1 is convenient to be installed, the top end of the smoke sampler main body 1 is abutted to the inner side of the top end of the first protective sleeve 4, then the extrusion block 6 is pressed inwards, and the first spring 9 is compressed, upward movement second lag 5 again, slider 10 is at the inside lapse of spout 11, remove one section distance after, slider 10 on the connecting plate 7 is popped out from the inside of a set of draw-in groove 12 once more with the help of the elasticity of first spring 9, make second lag 5 carry out the centre gripping to the bottom of flue gas sampler main part 1, through the first lag 4 that sets up, second lag 5, effectively avoided flue gas sampler main part 1 if the unable protection of dropping in the use, play fine guard action to flue gas sampler main part 1, the life of flue gas sampler main part 1 has been prolonged greatly.

In another embodiment, the present embodiment discloses a reset mode of the function key 3, as shown in fig. 1 and fig. 3, a third mounting groove 16 matched with the function key 3 is formed on the front surface of the operation panel 2, and a connecting block 17 is fixed on a side surface of the third mounting groove 16; a limiting plate 18 is fixed on the rear surface of the function key 3, and a spring sleeve 22 is arranged at the joint of the limiting plate 18 and the connecting block 17; limiting blocks 19 are fixed on the surfaces of two ends of the limiting plate 18, and limiting grooves 20 matched with the limiting blocks 19 are symmetrically formed in the surfaces of two sides of the third mounting groove 16;

when the smoke sampler is used, when the function key 3 is pressed inwards to open, close or sample the smoke sampler main body 1, the function key 3 drives the limiting plate 18 to move inwards, the limiting blocks 19 fixed at the two ends of the limiting plate 18 slide in the limiting grooves 20, then the spring sleeve 22 is extruded, the spring sleeve 22 is compressed, after the function key 3 is loosened, the function key 3 moves outwards due to the tension of the spring sleeve 22, then the limiting grooves 20 abut against the two ends of the limiting blocks 19, the limiting plate 18 can be prevented from driving the function key 3 to reset excessively, so that the function key 3 can be reset accurately, the limit plate 18 and the spring sleeve 22 are arranged, the situation that the function key 3 on the smoke sampler main body 1 is pressed for a long time and possibly falls into the inside of the operation panel 2 is effectively avoided, the accurate reset of the function key 3 is facilitated, and the operation panel 2 is ensured to open the smoke sampler main body 1, And normal operations such as closing or sampling are performed, so that the practicability is high.

In another embodiment, the present embodiment discloses a "concave" shaped handle fixed on the top surface of the main body 1 of the smoke sampler, as shown in fig. 1, the handle is fixed on the top surface of the main body 1 of the smoke sampler, and the shape of the handle is "concave";

the flue gas sampler main body 1 is convenient to carry through the concave handle fixed on the top surface of the flue gas sampler main body 1.

In another embodiment, the embodiment discloses a concave surface arranged on the top surface of the inner side of the handle and an anti-skid line arranged on the surface of the concave surface, as shown in fig. 1, the top surface of the inner side of the handle is provided with the concave surface, and the surface of the concave surface is provided with the anti-skid line;

through the concave surface that sets up at the inboard top surface of handle and the anti-skidding line that concave surface set up, play skid-proof effect when being convenient for hold the handle.

In another embodiment, the embodiment discloses an "O" shaped raised pattern disposed on one end surface of the extrusion block 6 located outside the second protection sleeve 5, as shown in fig. 2, the raised pattern is disposed on one end surface of the extrusion block 6 located outside the second protection sleeve 5, and the raised pattern is shaped like an "O";

through setting up and be located the protruding line of "O" shape on the outside terminal surface of second lag 5 at extrusion piece 6, play skid-proof effect when being convenient for press extrusion piece 6.

In another embodiment, the embodiment discloses a slide bar arranged on one side of a display screen and a cleaning brush arranged on the surface of one side of the slide bar close to the display screen, as shown in fig. 1, the slide bar is arranged on one side of the display screen, and the cleaning brush is arranged on the surface of one side of the slide bar close to the display screen;

through the slide bar that sets up in display screen one side and the clean brush that the slide bar is close to the side surface setting of display screen, be convenient for clear up the display screen dust.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a portable flue gas low flow sample thief, includes flue gas sample thief main part (1), operating panel (2), function button (3), display screen, its characterized in that: a first protective sleeve (4) and a second protective sleeve (5) are sleeved on the surface of the smoke sampler main body (1), the first protective sleeve (4) is positioned on the top surface of the second protective sleeve (5), first mounting grooves (8) are symmetrically formed in the front surface and the rear surface of the second protective sleeve (5), and second mounting grooves (21) are symmetrically formed in the bottom surface of the first protective sleeve (4); an extrusion block (6) penetrates through the first mounting groove (8), a first spring (9) is arranged at the joint of the extrusion block (6) and the first mounting groove (8), a connecting plate (7) is fixed on the top surface of the extrusion block (6), the top end of the connecting plate (7) extends into the second mounting groove (21), a sliding block (10) is fixed on the surface of one side, close to the outer wall of the first protective sleeve (4), of the connecting plate (7), sliding grooves (11) matched with the sliding block (10) are symmetrically formed in the surface of the second mounting groove (21), clamping grooves (12) are symmetrically formed in the surface of the first protective sleeve (4), the sliding block (10) penetrates through the clamping grooves (12), and the clamping grooves (12) are communicated with the sliding grooves (11); the bottom surface of the first protective sleeve (4) is provided with a first groove (13), the top surface of the second protective sleeve (5) is provided with a second groove (14), and a second spring (15) is arranged at the joint of the first groove (13) and the second groove (14).

2. The portable low-flow sampler of flue gas of claim 1, wherein: a third mounting groove (16) matched with the function key (3) is formed in the front surface of the operation panel (2), and a connecting block (17) is fixed on the surface of one side of the third mounting groove (16); a limiting plate (18) is fixed on the rear surface of the function key (3), and a spring sleeve (22) is arranged at the joint of the limiting plate (18) and the connecting block (17); limiting blocks (19) are fixed on the surfaces of the two ends of the limiting plate (18), and limiting grooves (20) matched with the limiting blocks (19) are symmetrically formed in the surfaces of the two sides of the third mounting groove (16).

3. The portable low-flow sampler of flue gas of claim 1, wherein: the top surface of the flue gas sampler main body (1) is fixed with a handle, and the shape of the handle is concave.

4. A portable low smoke flow sampler according to claim 3 and further comprising: the handle is characterized in that a concave surface is arranged on the top surface of the inner side of the handle, and anti-skid lines are arranged on the surface of the concave surface.

5. The portable low-flow sampler of flue gas of claim 1, wherein: the surface of one end, located on the second protective sleeve (5), of the extrusion block (6) is provided with raised grains, and the raised grains are O-shaped.

6. The portable low-flow sampler of flue gas of claim 1, wherein: a sliding strip is arranged on one side of the display screen, and a cleaning brush is arranged on the surface of one side, close to the display screen, of the sliding strip.