CN212340766U

CN212340766U - Comprehensive sampler for ambient air

Info

Publication number: CN212340766U
Application number: CN202020934418.0U
Authority: CN
Inventors: 刘超; 杨国兰; 李长山; 王新磊; 张海杰
Original assignee: Tianjin Lianchuang Environmental Protection Monitoring Co ltd
Current assignee: Tianjin Lianchuang Environmental Protection Monitoring Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-12
Anticipated expiration: 2030-05-28

Abstract

The utility model provides an environmental air comprehensive sampler, which comprises a sampler body, wherein the sampler body comprises an external shell and an internal clapboard, an air treatment box and a lifting device are respectively fixed on two sides of the clapboard, the top end of the lifting device is connected with a connecting rod, the top surface of the shell is provided with a movable hole, the connecting rod extends to the outside of the shell from the movable hole, and the top end of the connecting rod is fixed with a sampling head; the utility model relates to an air comprehensive sampling ware is equipped with elevating gear, utilizes this elevating gear can slowly adjust the height at sampling head place as required, and the accurate air to certain scope is sampled.

Description

Comprehensive sampler for ambient air

Technical Field

The utility model relates to an environmental air synthesizes sample thief belongs to air sampler technical field.

Background

With the continuous development of modern industrialization, air pollution is more and more serious, the components of pollutants in the air are more and more complex, and the comprehensive ambient air sampler can sample and measure pollutants in the air at fixed points, continuously or at fixed time. The existing comprehensive sampler for ambient air is large in size and inconvenient to carry, and the sampling height is not easy to adjust according to the sampling requirement, so that the design of the comprehensive sampler for ambient air with the sampling height capable of being manually adjusted is very necessary aiming at the defects of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an environmental air comprehensive sampling ware to the not enough of prior art existence to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the present invention is achieved by the following technical solutions, including:

the utility model provides an environmental air synthesizes sample thief, includes the sample thief body, and the sample thief body includes outside shell body and inside baffle, and the both sides of baffle are fixed with air treatment case and elevating gear respectively, and the elevating gear top is connected with the connecting rod, and the movable hole has been seted up to the shell body top surface, and the connecting rod extends to the shell body outside and the connecting rod top is fixed with the sampling head from the movable hole.

By adopting the scheme, the air comprehensive sampler is started, the lifting device is adjusted, the lifting device drives the connecting rod to move up and down in the movable hole, and then the sampling head is driven to move up and down, the sampling height of the air comprehensive sampler can be adjusted by the structure, and more accurate air detection is realized.

Preferably, the surface of the partition board is provided with heat dissipation holes.

Adopt above-mentioned scheme, the effectual air treatment case heat dissipation of helping the baffle inboard of louvre prevents that the air from synthesizing sample thief inside temperature too high, suitably improves the work efficiency and the life of air treatment case.

Preferably, the connecting rod is of a hollow structure, a connecting hole is formed in the partition plate, the collecting pipe is fixed inside the connecting rod, one end of the collecting pipe is connected with the sampling head, and the other end of the collecting pipe penetrates through the connecting hole in the partition plate to be connected to the air treatment box.

By adopting the scheme, the collection pipe is arranged in the connecting rod, so that the collection pipe is not damaged when the height of the sampling head is adjusted.

Preferably, the lifting device comprises a handle rotatably connected to the outer side of the outer shell and a transmission assembly fixedly connected with the handle, and the transmission assembly is fixedly connected with the connecting rod.

By adopting the scheme, when the height of the sampling head needs to be adjusted, the handle is rotated, the sampling head can be adjusted at a slow speed in the mode, and adverse effects on the sampling head caused by the excessively fast adjusting speed are avoided as much as possible.

Preferably, the transmission assembly comprises a first bevel gear fixedly connected with the handle, a second bevel gear vertically meshed with the first bevel gear, a third gear connected with the second bevel gear through a belt pulley, a screw rod coaxially connected with the third gear, and a sliding block in threaded connection with the screw rod, and the sliding block and the connecting rod are connected through a connecting assembly.

Adopt above-mentioned scheme, the pivot of handle and first bevel gear's center pin fixed connection, first bevel gear and second bevel gear mutually perpendicular, when the staff twist grip, the handle drives first bevel gear and rotates, first bevel gear drives the second bevel gear rotation of meshing with it, pivoted second bevel gear passes through the belt pulley and drives the third gear rotation, the third gear drives coaxial lead screw rotation, take the screwed lead screw further to make the slider reciprocate along the lead screw, because the slider passes through coupling assembling and connecting rod and links to each other, so whole drive assembly drives the sampling head and changes the position height.

Preferably, the connecting assembly comprises a connecting plate fixed at the tail end of the connecting rod and a guide plate fixed at the bottom of the connecting plate, and the guide plate is in sliding connection with the sliding block.

Preferably, the upper surface of the slider is provided with a groove, and the guide plate is embedded in the groove.

Preferably, the cross section of the groove is inverted T-shaped, and the bottom of the guide plate is integrally connected with a T-shaped guide block matched with the groove.

By adopting the scheme, when the screw rod drives the sliding block to move up and down, the guide plate is embedded in the T-shaped groove in the sliding block, and the whole connecting assembly plays a role in linkage of the sliding block and the connecting rod.

Preferably, a plurality of limiting grooves are vertically formed in the side face of the connecting rod, a plurality of limiting blocks matched with the limiting grooves are integrally fixed on the inner wall of the movable hole, and the thickness of each limiting block is larger than that of the outer shell.

By adopting the scheme, the connecting rod drives the sampling head to move up and down, the limiting block on the inner wall of the movable hole is always embedded in the limiting groove, and the limiting block is always in the limiting groove, so that the connecting rod and the sampling head can not axially move along with the rotation of the sliding block.

The utility model has the advantages that:

(1) the utility model relates to an air comprehensive sampling ware is equipped with elevating gear, utilizes this elevating gear can slowly adjust the height at sampling head place as required, and the accurate air to certain scope is sampled.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a general schematic view of the present invention;

fig. 2 is a sectional view of the present invention;

FIG. 3 is an enlarged view of the position A of the present invention;

FIG. 4 is an enlarged view of the position B of the present invention;

fig. 5 is a left side sectional view of the utility model C.

In the figure: the device comprises an outer shell 1, a partition plate 12, heat dissipation holes 13, movable holes 14, limiting blocks 15, connecting holes 16, a handle 21, a first bevel gear 221, a second bevel gear 222, a third gear 223, a lead screw 224, a sliding block 225, a connecting plate 231, a guide plate 232, a guide block 233, a groove 234, a connecting rod 3, a limiting groove 31, a sampling head 4, a collecting pipe 5 and an air treatment box 6.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1

As shown in figure 1, an environmental air comprehensive sampler, including the sample thief body, the sample thief body includes outside shell body 1 and inside baffle 12, louvre 13 and connecting hole 16 have been seted up on the baffle 12 surface, baffle 12's both sides are fixed with air treatment case 6 and elevating gear respectively, the elevating gear top is connected with connecting rod 3, movable hole 14 has been seted up to shell body 1 top surface, connecting rod 3 extends to shell body 1 outside and connecting rod 3 top from movable hole 14 and is fixed with sampling head 4, and connecting rod 3 is hollow structure, combine figure 3 and figure 5, inside is fixed with collection pipe 5, the one end of collection pipe 5 is connected the sampling head 4 other end and is passed connecting hole 16 on the baffle 12 and be connected to air treatment case 6.

The lifting device comprises a handle 21 rotatably connected to the outer side of the outer shell 1 and a transmission component fixedly connected with the handle 21, and the transmission component is fixedly connected with the connecting rod 3.

Referring to fig. 2, the transmission assembly includes a first bevel gear 221 fixedly connected to the handle 21, a second bevel gear 222 vertically engaged with the first bevel gear 221, a third gear 223 connected to the second bevel gear 222 through a pulley, a lead screw 224 coaxially connected to the third gear 223, and a slider 225 threadedly connected to the lead screw 224, wherein the slider 225 and the connecting rod 3 are connected through a connecting assembly.

The connecting assembly comprises a connecting plate 231 fixed at the tail end of the connecting rod 3, a guide plate 232 fixed at the bottom of the connecting plate 231 and a guide block 233 fixed at the bottom of the guide plate 232, wherein a groove 234 is formed in the upper surface of the slider 225, and in combination with fig. 4, the section of the groove 234 is inverted T-shaped and is matched with the guide block 233; referring to fig. 3 again, the side of the connecting rod 3 is vertically provided with a plurality of limiting grooves 31, the inner wall of the movable hole 14 is integrally fixed with a plurality of limiting blocks 15 matched with the limiting grooves 31, and the thickness of the limiting blocks 15 is greater than that of the outer shell 1.

In summary, the working principle and the operation process of the embodiment are as follows: starting the comprehensive air sampler, adjusting the lifting device, rotating the handle 21 by a worker, driving the first bevel gear 221 to rotate by the handle 21, driving the second bevel gear 222 meshed with the first bevel gear 221 to rotate by the first bevel gear 221, driving the third gear 223 to rotate by the second bevel gear 222 through a belt pulley, driving the coaxial screw rod 224 to rotate by the third gear 223, further enabling the sliding block 225 to move up and down along the screw rod 224 by the screw rod 224 with threads, and driving the sampling head 4 to change the height by the whole transmission assembly as the sliding block 225 is connected with the connecting rod 3 through the connecting assembly, so that the lifting device drives the connecting rod 3 to move up and down in the movable hole 14, and further drives the sampling head 4 to; and when lead screw 224 drove slider 225 and reciprocated, the deflector gomphosis was in the recess of the inside T type of slider, whole coupling assembling played the effect that makes slider and connecting rod linkage, but simultaneously because the shape of recess 234, deflector 232 can not break away from in the recess 234, and at the in-process that connecting rod 3 drove sampling head 4 and reciprocated, stopper 15 on the inner wall of activity hole 14 gomphosis inside spacing groove 31 all the time, stopper 15 is in spacing groove 31 all the time, guaranteed that connecting rod 3 and sampling head 4 can not take place axial motion along with slider 225's rotation.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an environmental air synthesizes sample thief, including the sample thief body, its characterized in that, the sample thief body includes outside shell body (1) and inside baffle (12), the both sides of baffle (12) are fixed with air treatment case and elevating gear respectively, the elevating gear top is connected with connecting rod (3), movable hole (14) have been seted up to shell body (1) top surface, connecting rod (3) extend to shell body (1) outside and connecting rod (3) top from movable hole (14) are fixed with sampling head (4).

2. The comprehensive sampler of claim 1, wherein the partition (12) has heat dissipation holes (13) on its surface.

3. The comprehensive sampler for the ambient air according to claim 1, wherein the connecting rod (3) is of a hollow structure, the partition plate (12) is provided with a connecting hole (16), the collecting tube (5) is fixed inside the connecting rod (3), and one end of the collecting tube (5) is connected with the sampling head (4) and the other end thereof penetrates through the connecting hole (16) on the partition plate (12) and is connected to the air processing box.

4. The comprehensive ambient air sampler as recited in claim 1, wherein the lifting device comprises a handle (21) rotatably connected to the outer side of the outer housing (1), and a transmission assembly fixedly connected to the handle (21), and the transmission assembly is fixedly connected to the connecting rod (3).

5. The environmental air comprehensive sampler according to claim 4, wherein the transmission assembly comprises a first bevel gear (221) fixedly connected with the handle (21), a second bevel gear (222) vertically meshed with the first bevel gear (221), a third gear (223) connected with the second bevel gear (222) through a belt pulley, a screw rod (224) coaxially connected with the third gear (223), and a slide block (225) in threaded connection with the screw rod (224), wherein the slide block (225) and the connecting rod (3) are connected through a connecting assembly.

6. An ambient air comprehensive sampler according to claim 5, wherein the connecting assembly comprises a connecting plate (231) fixed at the end of the connecting rod (3), and a guide plate (232) fixed at the bottom of the connecting plate (231), the guide plate (232) being slidably connected with the slider (225).

7. An ambient air comprehensive sampler according to claim 5, wherein the upper surface of the slider (225) is provided with a groove (234), and the guide plate (232) is embedded in the groove (234).

8. The environmental air comprehensive sampler according to claim 7, wherein the cross section of the groove (234) is inverted T-shaped, and the bottom of the guide plate (232) is integrally connected with a T-shaped guide block (233) matched with the groove (234).

9. The comprehensive sampler for the ambient air according to claim 1 or 8, wherein the side of the connecting rod (3) is vertically provided with a plurality of limiting grooves (31), the inner wall of the movable hole (14) is integrally fixed with a plurality of limiting blocks (15) matched with the limiting grooves (31), and the thickness of each limiting block (15) is greater than that of the outer shell (1).