CN210665174U

CN210665174U - Sampling device for environment detection gas

Info

Publication number: CN210665174U
Application number: CN201921627667.9U
Authority: CN
Inventors: 顾雪平
Original assignee: Deqing Haichao Technology Information Consulting Partnership LP
Current assignee: Deqing Haichao Technology Information Consulting Partnership LP
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-02
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses an environmental detection is sampling device for gas, which comprises a housin, the outer wall central point of casing puts and installs the handle, the inner chamber central point of casing puts and installs the inflater along the fore-and-aft direction, but the first piston of the inner chamber front side plug-in connection of inflater back-and-forth movement, the rear side central point of first piston puts the one end that the spiro union has the round bar, the other end of round bar extends the back lateral wall of inflater and casing in proper order and installs the pull handle, the front side central point of inflater puts the spiro union and has the air nozzle, and the front side surface that the front side of air nozzle stretched out the casing, the inner chamber of casing uses the inflater as the center and all installs the surge drum along. This sampling device for environment measuring gas can directly carry out gas collection to a plurality of places, need not to carry a plurality of gas sampling ware or a plurality of collector, and easy operation has reduced staff's intensity of labour, improves sampling efficiency, does benefit to gas sampling and uses.

Description

Sampling device for environment detection gas

Technical Field

The utility model relates to a gaseous sampling technical field specifically is a sampling device for environmental detection gas.

Background

An atmospheric sampler is an instrument or device for collecting atmospheric pollutants or polluted air, and a gas sampler generally comprises a collector, a flowmeter and an air exhaust power system. The portable gas sampler is used as the main equipment for gas sampling, and has the characteristics of small volume, convenient carrying, convenient sampling and the like;

at present, the current portable gas sampler mostly only has a collector, when the sample in many places, need carry a plurality of gas sampler or a plurality of collector, and equipment is numerous, and complex operation has increased staff's intensity of labour, and the sampling efficiency is low, consequently designs a gas sampling equipment who has a plurality of collectors now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sampling device for environment measuring gas to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sampling device for environment detection gas comprises a shell, a handle is arranged at the center of the outer wall of the shell, an inflator is arranged in the center of the inner cavity of the shell along the front-back direction, a first piston capable of moving back and forth is inserted in the front side of the inner cavity of the inflator, the central position of the rear side of the first piston is screwed with one end of a round rod, the other end of the round rod sequentially extends out of the inflator and the rear side wall of the shell and is provided with a pull handle, the central position of the front side of the inflator is screwed with an air nozzle, the front side of the air nozzle extends out of the front side surface of the shell, the inner cavity of the shell is provided with collecting barrels along the circumferential direction by taking the inflator as the center, first round holes are formed in the front side of the outer wall of the inflator along the circumferential direction, an adjusting mechanism communicated with the first round holes is installed on the front side of the collecting barrel, and the adjusting mechanism is fixedly connected with the outer wall of the inflator;

the adjusting mechanism comprises a box body, a second round hole, a spring, a second piston, a third round hole and a pull rod;

the rear side of box body and the front side fixed connection of surge drum, and the inboard outer wall fixed connection with the inflater of box body, the box body communicates with the inner chamber of first round hole, the second round hole with the surge drum intercommunication is seted up to the rear lateral wall outer end of box body, the inner chamber of box body is followed interior to outer grafting respectively has spring and second piston, and second piston and second round hole position are corresponding, the third round hole has all been seted up along circumference to the inside wall of second piston, the outside central point of second piston puts and the one end spiro union of pull rod, the other end of third round hole extends the outer wall of box body and casing in proper order.

Preferably, the number of the collecting cylinders is six, and the six collecting cylinders are distributed in the inner cavity of the shell at intervals of 60 degrees clockwise.

Preferably, the thickness of the second piston is larger than the inner diameter of the second circular hole.

Preferably, the number of the third round holes is four, and the four third round holes are distributed on the inner side wall of the second piston at intervals of 90 degrees clockwise.

Preferably, a sealing ring is arranged at the joint of the pull rod and the box body.

Compared with the prior art, the beneficial effects of the utility model are that: this sampling device for environmental detection gas, the pulling pull handle, through the round bar, the cooperation of first piston and gas nozzle can make the inflater carry out gas collection and discharge, can realize opening and closing of a collector section of thick bamboo through adjustment mechanism, thereby all can deposit gas collection through six collector sections, when in-service use, can directly carry out gas collection to a plurality of places, need not to carry a plurality of gas sampling wares or a plurality of collector, and easy operation has reduced staff's intensity of labour, and the efficiency of improving the sample does benefit to gas sampling and uses.

Drawings

FIG. 1 is a schematic view of the whole cross-section structure of the present invention;

FIG. 2 is a front view of the present invention;

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

fig. 4 is a front sectional view of the present invention;

fig. 5 is an exploded view of the adjusting mechanism of the present invention.

In the figure: 1. the inflator comprises a shell, 2, a handle, 3, an inflator, 4, a first piston, 5, a round rod, 6, a pull handle, 7, an air nozzle, 8, a collecting cylinder, 9, a first round hole, 10, a box body, 11, a second round hole, 12, a spring, 13, a second piston, 14, a third round hole, 15 and a pull rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a sampling device for environment detection gas comprises a shell 1, a handle 2 is installed at the center position of the outer wall of the shell 1, the handle 2 can be held conveniently by holding the device, an inflator 3 is installed at the center position of the inner cavity of the shell 1 along the front-back direction, a first piston 4 capable of moving back and forth is inserted at the front side of the inner cavity of the inflator 3, when the first piston 4 moves back and forth in the inflator 3, the first piston 4 can realize the suction and discharge of gas, one end of a round rod 5 is screwed at the center position of the rear side of the first piston 4, the other end of the round rod 5 sequentially extends out of the rear side walls of the inflator 3 and the shell 1 and is provided with a pull handle 6, the first piston 4 is driven conveniently through the pull handle 6, a gas nozzle 7 is screwed at the center position of the front side of the inflator 3, the front side of the gas nozzle 7 extends out of the front side surface of the shell 1, the gas nozzle, the gas in the inflator 3 is conveniently pressed into the collecting barrel 8, the collecting barrels 8 are circumferentially and uniformly installed in the inner cavity of the shell 1 by taking the inflator 3 as a center, the collecting barrels 8 are used for storing collected gas, first round holes 9 are circumferentially and uniformly formed in the front side of the outer wall of the inflator 3, an adjusting mechanism communicated with the first round holes 9 is installed on the front side of the collecting barrel 8, and the adjusting mechanism is fixedly connected with the outer wall of the inflator 3;

the adjusting mechanism comprises a box body 10, a second round hole 11, a spring 12, a second piston 13, a third round hole 14 and a pull rod 15;

the rear side of the box body 10 is fixedly connected with the front side of the collecting barrel 8, the inner side of the box body 10 is fixedly connected with the outer wall of the inflator 3, the box body 10 is communicated with the inner cavity of the first round hole 9, the outer end of the rear side wall of the box body 10 is provided with a second round hole 11 communicated with the collecting barrel 8, the inner cavity of the box body 10 is respectively inserted with a spring 12 and a second piston 13 from inside to outside, the second piston 13 corresponds to the second round hole 11 in position, the spring 12 is a rotating spring, the elastic coefficient is 35N/CM, the spring 12 generates elastic deformation after being stretched or extruded, the spring 12 is recovered to an initial state after external force is removed, the spring 12 can provide elastic force for the second piston 13, so that the second piston 13 can absolutely seal the second round hole 11, the inner side wall of the second piston 13 is circumferentially provided with third round holes 14, the third round holes 14 play a role of communicating with the second round hole 9, the outer central position of the second piston 13 is in threaded connection, the pull rod 15 is used for driving the second piston 13 to move, and the other end of the third round hole 14 extends out of the outer walls of the box body 10 and the shell 1 in sequence.

Preferably, the number of the collecting cylinders 8 is six, and the six collecting cylinders 8 are distributed in the inner cavity of the shell 1 at intervals of 60 degrees clockwise, so that multi-site sampling of the gas can be realized through the six collecting cylinders 8 during gas collection.

Preferably, the thickness of the second piston 13 is larger than the inner diameter of the second circular hole 11, so as to ensure that the second piston 13 can completely seal the second circular hole 11 and prevent the gas in the collecting cylinder 8 from escaping.

Preferably, the number of the third circular holes 14 is four, and the four third circular holes 14 are distributed on the inner side wall of the second piston 13 at intervals of 90 degrees clockwise, so that the flowability of the gas is increased through the plurality of third circular holes 14, and the gas can enter the collecting cylinder 8 from the second circular hole 9.

Preferably, a sealing ring is installed at the connection position of the pull rod 15 and the box body 10 to prevent gas from escaping from the connection position of the pull rod 15 and the box body 10.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the inflator is used, the handle 2 is held, the round rod 5 drives the first piston 4 to move towards the rear side along the inner cavity of the inflator 3 by pulling the pull handle 6, so that the inflator 3 has suction force, outside air enters the inflator 3 from the air nozzle 7, the air nozzle 7 is closed, gas collection is realized, the pull rod 15 is pressed inwards, the second piston 13 is driven to move along the inner cavity of the box body 10 and extrude the spring 12 until the handle end of the pull rod 15 is attached to the outer wall of the shell 1, the second piston 13 is staggered with the second round hole 11, so that the first round hole 9, the third round hole 14 and the second round hole 11 are communicated with each other, the first piston 4 is driven to move towards the front side, so that the gas collected in the inflator 3 is pressed into the collection cylinder 8 which is correspondingly opened, the pull rod 15 is loosened, the spring 12 pushes the second piston 13 to move back to the initial position under the action of self elasticity, the second piston 13 seals the collection cylinder 8 to realize, gaseous recollection can be carried out in the above-mentioned operation of repetition, when needs take out in the collector cylinder 8 gas, 7 and gas detection equipment's the pipe connection of chewing the gas, the piston that 7 interior gas detection equipment and inflater 3 intercommunication are chewed to the extrusion of pipe connection, pull rod 15 is pressed to the inboard, can make the collector cylinder 8 and the 3 intercommunication of inflater of corresponding position, gas detection equipment alright take out the gas in the collector cylinder 8 and detect, thereby make the device have the gaseous ability of a lot of collection, and easy operation, need not to carry a plurality of collectors, improve sampling efficiency, more do benefit to the popularization.

In the description of the present invention, it is to be understood that the terms "bottom", "one end", "middle", "other end", "upper", "top", "inner", "front", "center", "both ends", and the like, are used in the orientations and positional relationships indicated in the drawings, which are for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; meanwhile, unless explicitly stated or limited otherwise, the terms "screwed", "opened", "plugged", "mounted", "fixed", and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sampling device for environmental monitoring gas, comprising a housing (1), characterized in that: the utility model discloses a bicycle pump, including casing (1), handle (2) is installed to the outer wall central point of casing (1) puts, inflator (3) is installed along the fore-and-aft direction to the inner chamber central point of casing (1), but the first piston (4) of back-and-forth movement is pegged graft to the inner chamber front side of inflator (3), the rear side central point of first piston (4) puts the one end of spiro union round bar (5), the other end of round bar (5) extends the rear side wall of inflator (3) and casing (1) in proper order and installs pull handle (6), the front side central point of inflator (3) puts the spiro union air tap (7), and the front side of air tap (7) stretches out the front side surface of casing (1), the inner chamber of casing (1) uses inflator (3) as the center all to install collecting vessel (8) along circumference, first round hole (9) have all been seted up along circumference to the outer wall front side of inflator, an adjusting mechanism communicated with the first round hole (9) is installed on the front side of the collecting barrel (8), and the adjusting mechanism is fixedly connected with the outer wall of the inflator (3);

the adjusting mechanism comprises a box body (10), a second round hole (11), a spring (12), a second piston (13), a third round hole (14) and a pull rod (15);

the rear side of box body (10) and the front side fixed connection of surge drum (8), and the inboard of box body (10) and the outer wall fixed connection of inflater (3), the inner chamber intercommunication of box body (10) and first round hole (9), second round hole (11) with surge drum (8) intercommunication are seted up to the rear side wall outer end of box body (10), the inner chamber of box body (10) is followed interior to outer pegging graft respectively and is had spring (12) and second piston (13), and second piston (13) and second round hole (11) position corresponding, third round hole (14) have all been seted up along circumference to the inside wall of second piston (13), the outside central point of second piston (13) puts and the one end spiro union of pull rod (15), the outer wall of box body (10) and casing (1) is extended in proper order to the other end of third round hole (14).

2. The sampling device for the environment detecting gas according to claim 1, wherein: the number of the collecting cylinders (8) is six, and the six collecting cylinders (8) are distributed in the inner cavity of the shell (1) at intervals of 60 degrees clockwise.

3. The sampling device for the environment detecting gas according to claim 1, wherein: the thickness of the second piston (13) is larger than the inner diameter of the second round hole (11).

4. The sampling device for the environment detecting gas according to claim 1, wherein: the number of the third round holes (14) is four, and the four third round holes (14) are distributed on the inner side wall of the second piston (13) at intervals of 90 degrees clockwise.

5. The sampling device for the environment detecting gas according to claim 1, wherein: and a sealing ring is arranged at the joint of the pull rod (15) and the box body (10).