CN212321197U - Structure of portable air sampler - Google Patents

Abstract

The utility model relates to a structure of portable air sampler, including the sample thief main part, the sample thief main part include the casing and with casing fixed connection's protection tube, the protection tube includes the bobbin, the sample thief main part is still including setting up the scalable intake pipe in the bobbin, when needs use sample thief sampling air, only need with intake pipe tensile come can, when need not use sample thief sampling air, only need to retract the intake pipe into the bobbin of protection tube, this simple structure, conveniently carry, make the sample thief volume reduce, and in the intake pipe can the bobbin of indentation protection tube, just so be difficult to be buckled, avoid causing the damage, influence the use.

Description

Structure of portable air sampler

Technical Field

The utility model belongs to the technical field of the air sampling technique and specifically relates to a structure of portable air sampler is related to.

Background

The air sampler is a common instrument for collecting atmospheric environment and workshop field gas, is widely applied to units for atmospheric environment monitoring, health epidemic prevention, labor protection, scientific research and the like, and can also be matched with related instruments. Through analyzing the sampling gas, the degree of the environment polluted by the harmful gas atmosphere sampler body is known, the actual condition of pollution is provided for relevant departments, and countermeasures are taken, so that the healthy living environment of people is guaranteed.

The prior art air sampler, which generally comprises a collector, a flow meter and an air extraction power system, has the following disadvantages: 1. in the carrying process, the device is inconvenient and has limitations; 2. the air sampler has large volume and large occupied space; 3. the intake pipe of sample thief is independent is easily buckled at the surface outward, causes the damage, influences the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a portable air sampler's structure that conveniently carries, small and not fragile is provided.

The utility model discloses the technical scheme who adopts is, a structure of portable air sampler, including the sample thief main part, the sample thief main part include the casing and with casing fixed connection's protection tube, the protection tube includes the bobbin, the sample thief main part is still including setting up the scalable intake pipe in the bobbin.

The utility model has the advantages that: adopt the air sampler of above-mentioned structure, a fixed protection tube on the casing of sample thief main part, and set up the intake pipe in the bobbin of protection tube, because the intake pipe is extending structure, when needs use sample thief sampling air, only need with the intake pipe tensile come can, when need not use sample thief sampling air, only need with the intake pipe retract to the bobbin of protection tube in, this simple structure, conveniently carry, make the sample thief volume reduce, and the intake pipe can be in the bobbin of indentation protection tube, just so be difficult to be buckled, avoid causing the damage, influence the use.

Preferably, the air inlet pipe comprises a first split body, a second split body movably connected with the first split body and a third split body movably connected with the second split body, the first split body 6, the second split body 7 and the third split body 8 are all in a trapezoidal cylindrical structure, the first split body can stretch out and draw back from the pipe barrel, the second split body can stretch out and draw back from the first split body, the third split body can stretch out and draw back from the second split body, the air inlet pipe adopts a multi-section structure, the third split body can stretch out from the second split body by pulling the third split body with hands, the second split body stretches out from the first split body, and the first split body stretches out from the pipe barrel, so that the air inlet pipe can be pulled out for use; the third split body is pushed by hand, so the first split body retracts into the pipe barrel, the second split body retracts into the first split body, and the third split body retracts into the second split body, so that the air inlet pipe is integrally retracted into the pipe barrel to protect the air inlet pipe.

As the priority, the sampler main body further comprises a first cavity arranged in the shell, the air inlet pipe is communicated with the first cavity through the air inlet hole, and by adopting the structure, the air inlet pipe is communicated with the first cavity in the shell through the air inlet hole, so that the air can enter conveniently, and the sampler main body is simple in structure, flexible and convenient.

As the priority, the sample thief main part still includes the second cavity through spacer and first cavity intercommunication, be located the motor of second cavity one side, one end is connected with the motor and stretches into the pivot in the second cavity, the carousel of being connected with the pivot other end, the eccentric shaft with carousel fixed connection and with the eccentric shaft rotation connecting rod, the other end and the spacer fixed connection of connecting rod, adopt this structure, motor work drives the carousel and rotates, the carousel passes through the connecting rod and drives the spacer up-and-down motion, the air just can be followed in the intake pipe and is inhaled like this, and the steam generator is simple in operation, high durability and convenient use.

Drawings

FIG. 1 is a schematic structural view of a portable air sampler of the present invention;

FIG. 2 is a front view of the structure of a portable air sampler of the present invention;

as shown in the figure: 1. a sampler body; 2. a housing; 3. protecting the tube; 4. a tube barrel; 5. an air inlet pipe; 6. a first split body; 7. a second body; 8. a third split; 9. a first cavity; 10. an air inlet; 11. a spacer; 12. a second cavity; 13. a motor; 14. a rotating shaft; 15. a turntable; 16. a connecting rod.

Detailed Description

The invention is further described below with reference to the accompanying drawings in combination with the embodiments so that those skilled in the art can implement the invention with reference to the description, and the scope of the invention is not limited to the embodiments.

The utility model relates to a structure of portable air sampler, as shown in figure 1, including sample thief main part 1, sample thief main part 1 include casing 2 and with casing 2 fixed connection's protection tube 3, protection tube 3 includes bobbin 4, sample thief main part 1 is still including setting up the scalable intake pipe 5 in bobbin 4. The air sampler in figure 1, a fixed protection tube 3 on the casing 2 of sampler main body 1, and set up intake pipe 5 in the bobbin 4 of protection tube 3, because intake pipe 5 is extending structure, when needs use sampler sampling air, only need with intake pipe 5 tensile come can, when need not use sampler sampling air, only need retract intake pipe 5 in the bobbin 4 of protection tube 3, the steam generator is simple in structure, conveniently carry, make the sampler volume reduce, and intake pipe 5 can retract in the bobbin 4 of protection tube 3, just so be difficult to be buckled, avoid causing the damage, influence the use.

As shown in fig. 1, the air inlet pipe 5 comprises a first division 6, a second division 7 movably connected with the first division 6, and a third division 8 movably connected with the second division 7, wherein the first division 6, the second division 7, and the third division 8 are all trapezoidal cylindrical structures, the first division 6 can be extended and retracted from the pipe barrel 4, the second division 7 can be extended and retracted from the first division 6, and the third division 8 can be extended and retracted from the second division 7, in fig. 1, the air inlet pipe 5 adopts a multi-section structure, the first division 6, the second division 7, and the third division 8 are all trapezoidal cylindrical structures, the pipe barrel 4 is a circular cylindrical structure, in the figure, the pipe diameter at the bottom of the first division 6 is smaller than that of the pipe barrel 4, the pipe diameter at the bottom of the second division 7 is smaller than that at the bottom of the first division 6 and larger than that at the top of the first division 6, so that the second division 7 can be pulled out and plugged into the first division 6, the first split body 6 is not separated, the pipe diameter of the bottom of the third split body 8 is smaller than that of the bottom of the second split body 7 and larger than that of the top of the second split body 7, so that the third split body 8 can be pulled out and plugged into the second split body 7 without separating the second split body 7, the third split body 8 is pulled by hands, the third split body 8 can extend out of the second split body 7, the second split body 7 extends out of the first split body 6, and the first split body 6 extends out of the pipe barrel 4, so that the air inlet pipe 5 can be pulled out for use; the third split body 8 is pushed by hand, so that the first split body 6 is pushed into the pipe barrel 4, the second split body 7 is pushed into the first split body 6, and the third split body 8 is pushed into the second split body 7, so that the air inlet pipe 5 is integrally pushed into the pipe barrel 4, and the air inlet pipe 5 is protected.

As shown in fig. 2, the sampler body 1 further comprises a first cavity 9 arranged in the housing 2, the air inlet pipe 5 is communicated with the first cavity 9 through an air inlet hole 10, and in fig. 2, the air inlet pipe 5 is communicated with the first cavity 9 inside the housing 2 through the air inlet hole 10, so that air can enter conveniently, and the sampler is simple in structure, flexible and convenient.

As shown in fig. 2, the sampler main body 1 further includes a second cavity 12 communicated with the first cavity 9 through a spacer 11, a motor 13 located at one side of the second cavity 12, a rotating shaft 14 having one end connected with the motor 13 and extending into the second cavity 12, a rotating disc 15 connected with the other end of the rotating shaft 14, an eccentric shaft fixedly connected with the rotating disc 15, and a connecting rod 16 rotatably connected with the eccentric shaft, wherein the other end of the connecting rod 16 is fixedly connected with the spacer 11, in fig. 2, the motor 13 operates to drive the rotating disc 15 to rotate, and the rotating disc 15 drives the spacer 11 to move up and down through the connecting rod 16, so that air can be sucked from the air inlet pipe 5.

Claims (4)

1. A structure of a portable air sampler, comprising a sampler main body (1), characterized in that: sampler main part (1) include casing (2) and with casing (2) fixed connection's protection tube (3), protection tube (3) include bobbin (4), sampler main part (1) still including setting up scalable intake pipe (5) in bobbin (4).

2. The structure of a portable air sampler as recited in claim 1, further comprising: the air inlet pipe (5) comprises a first split body (6), a second split body (7) movably connected with the first split body (6) and a third split body (8) movably connected with the second split body (7), the first split body (6), the second split body (7) and the third split body (8) are all of a trapezoidal cylindrical structure, the first split body (6) can stretch out and draw back from the pipe barrel (4), the second split body (7) can stretch out and draw back from the first split body (6), and the third split body (8) can stretch out and draw back from the second split body (7).

3. The structure of a portable air sampler as recited in claim 1, further comprising: the sampler main body (1) further comprises a first cavity (9) arranged in the shell (2), and the air inlet pipe (5) is communicated with the first cavity (9) through an air inlet hole (10).

4. A portable air sampler structure as claimed in claim 3 wherein: the sampler main body (1) further comprises a second cavity (12) communicated with the first cavity (9) through a spacer (11), a motor (13) positioned on one side of the second cavity (12), a rotating shaft (14) with one end connected with the motor (13) and extending into the second cavity (12), a rotating disc (15) connected with the other end of the rotating shaft (14), an eccentric shaft fixedly connected with the rotating disc (15) and a connecting rod (16) rotatably connected with the eccentric shaft, and the other end of the connecting rod (16) is fixedly connected with the spacer (11).

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