CN211504883U

CN211504883U - Microminiature volatile gas sampler capable of adjusting flow speed

Info

Publication number: CN211504883U
Application number: CN201922192199.3U
Authority: CN
Inventors: 徐本虎; 单素敏; 未素杰; 张利强
Original assignee: Henan Zhongtian Cloud Detection Technology Co ltd
Current assignee: Henan Zhongtian Cloud Detection Technology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-15
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a subminiature volatile gas sample thief of adjustable velocity of flow, including the sample thief body, the input intercommunication of sample thief body has the intake pipe, the surperficial threaded connection of intake pipe has the swivel nut, the opening has been seted up at the top of swivel nut, the top fixedly connected with of swivel nut inner wall is located the inside sealed piece of sample thief body, the inside fixedly connected with of intake pipe is located the tilt ring of sealed piece bottom. This subminiature volatile gas sampling ware of adjustable velocity of flow makes the swivel nut drive the sealed piece through rotating the swivel nut and remove and change with the interval between the tilt ring to reach the effect that changes the sampler body and gather the velocity of flow, solved current gas sampler and can't adjust the velocity of flow, the gas sampler of being not convenient for carries out the problem of testing to gas content in the different velocity of flow, this subminiature volatile gas sampling ware of adjustable velocity of flow possesses the advantage such as adjusting the flow.

Description

Microminiature volatile gas sampler capable of adjusting flow speed

Technical Field

The utility model relates to a gaseous sampling technical field specifically is a subminiature volatile gas sampling ware of adjustable velocity of flow.

Background

The gas sampler is of various types and can be divided into a gas sampler and a particulate matter sampler according to the collection object; the sampling device can be divided into an environment sampling device, an indoor sampling device and a pollution source sampling device according to the using place, in addition, the sampling device also has special purpose atmosphere sampling devices, such as a sampling device for simultaneously collecting gas and particle substances, and the gas sampling device generally comprises a collector, a flow meter and an air exhaust power system.

In order to gather the volatile gas in the environment, so need use gas sampler, but current gas sampler can't adjust the velocity of flow, and the gas sampler of being not convenient for tests gas content in to different velocities of flow, has reduced gas sampler's practicality.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a subminiature volatility gas sampler of adjustable velocity of flow possesses advantages such as adjust the flow, has solved current gas sampler and can't adjust the velocity of flow, and the gas sampler of being not convenient for carries out the problem tested to gas content in the different velocity of flow.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a subminiature volatile gas sample thief of adjustable velocity of flow, includes the sample thief body, the input intercommunication of sample thief body has the intake pipe, the surperficial threaded connection of intake pipe has the swivel nut, the opening has been seted up at the top of swivel nut, the top fixedly connected with of swivel nut inner wall is located the inside sealed piece of sample thief body, the inside fixedly connected with of intake pipe is located the slope ring of sealed piece bottom, the top fixedly connected with extension pipe of swivel nut.

Preferably, the surface cover of intake pipe is equipped with the holding ring, the spacing groove has been seted up to the bottom of swivel nut, the top fixedly connected with of holding ring is located the stopper of spacing inslot portion, spacing groove and stopper swing joint.

Preferably, the top of the sampler body is fixedly connected with a pressure spring sleeved on the surface of the air inlet pipe, and the top of the pressure spring is fixedly connected with the bottom of the positioning ring.

Preferably, the left side and the right side of intake pipe have all been seted up the spout, the left side of holding ring inner wall and the equal fixedly connected with in right side are located the inside slider of spout, slider and spout sliding connection.

Preferably, the fixed surface of sealed piece is connected with the cushion, the cushion is kept away from the one end of sealed piece and the surface contact of slope ring, the material of cushion is silica gel.

Preferably, the front of sample thief body is provided with the guard plate, the back fixedly connected with sealing ring of guard plate, the one side that the guard plate was kept away from to the sealing ring is through self-adhesion sticky with the front of sample thief body.

(III) advantageous effects

Compared with the prior art, the utility model provides a subminiature volatile gas sampling ware of adjustable velocity of flow possesses following beneficial effect:

1. this subminiature volatile gas sampling ware of adjustable velocity of flow makes the swivel nut drive the sealed piece through rotating the swivel nut and remove and change with the interval between the tilt ring to reach the effect that changes the sampler body and gather the velocity of flow, solved current gas sampler and can't adjust the velocity of flow, the gas sampler of being not convenient for carries out the problem of testing to gas content in the different velocity of flow, this subminiature volatile gas sampling ware of adjustable velocity of flow possesses the advantage such as adjusting the flow.

2. The subminiature volatile gas sampler with the flow rate adjustable can be convenient for a user to fix the position of the screw sleeve by arranging the positioning ring, the limiting groove and the limiting block, the position of the screw sleeve is prevented from changing after the adjustment is finished, the positioning ring can be supported by arranging the pressure spring, the positioning ring can be kept in contact with the bottom of the threaded sleeve, the operation step that a user needs to move the positioning ring up and down is avoided, the positioning ring can be limited by arranging the sliding block and the sliding groove, the stability of the positioning ring is improved, the vibration generated in the moving process of the positioning ring is reduced, by arranging the rubber pad, the air inlet pipe can be sealed in the closing process of the sampler body, so that dust is prevented from entering the sampler body, through setting up guard plate and sealing ring, can protect the display screen of sample thief body, avoid the sample thief body to drop and appear damaging in outdoor use.

Drawings

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

FIG. 2 is a schematic sectional view of the partial structure of the present invention;

FIG. 3 is a schematic top view of the thread insert structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: the sampler comprises a sampler body 1, an air inlet pipe 2, a threaded sleeve 3, an opening 4, a sealing block 5, an inclined ring 6, an extension pipe 7, a positioning ring 8, a limiting groove 9, a limiting block 10, a pressure spring 11, a sliding groove 12, a sliding block 13, a rubber cushion 14, a protection plate 15 and a sealing ring 16.

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, a subminiature volatile gas sampler capable of adjusting flow rate comprises a sampler body 1, wherein an input end of the sampler body 1 is communicated with an air inlet pipe 2, the surface of the air inlet pipe 2 is in threaded connection with a threaded sleeve 3, the surface of the air inlet pipe 2 is sleeved with a positioning ring 8, the bottom of the threaded sleeve 3 is provided with a limiting groove 9, the top of the positioning ring 8 is fixedly connected with a limiting block 10 positioned in the limiting groove 9, the limiting groove 9 is movably connected with the limiting block 10, the positioning ring 8, the limiting groove 9 and the limiting block 10 are arranged, so that a user can conveniently fix the position of the threaded sleeve 3, the position of the threaded sleeve 3 is prevented from changing after adjustment is completed, the top of the sampler body 1 is fixedly connected with a pressure spring 11 sleeved on the surface of the air inlet pipe 2, the top of the pressure spring 11 is fixedly connected with the, the positioning ring 8 can be kept in contact with the bottom of the screw sleeve 3, the operation step that a user needs to move the positioning ring 8 up and down is avoided, the left side and the right side of the air inlet pipe 2 are both provided with a sliding groove 12, the left side and the right side of the inner wall of the positioning ring 8 are both fixedly connected with a sliding block 13 positioned in the sliding groove 12, the sliding block 13 is in sliding connection with the sliding groove 12, the positioning ring 8 can be limited by arranging the sliding block 13 and the sliding groove 12, the stability of the positioning ring 8 is improved, the vibration generated in the moving process of the positioning ring 8 is reduced, the top of the screw sleeve 3 is provided with an opening 4, the top of the inner wall of the screw sleeve 3 is fixedly connected with a sealing block 5 positioned in the sampler body 1, the inner part of the air inlet pipe 2 is fixedly connected with an inclined ring 6 positioned at the bottom of the sealing block 5, the material of cushion 14 is silica gel, through setting up cushion 14, can close the in-process at sample thief body 1 and seal intake pipe 2, avoid the dust to get into sample thief body 1's inside, top fixedly connected with extension pipe 7 of swivel nut 3, sample thief body 1's front is provided with guard plate 15, guard plate 15's back fixedly connected with sealing ring 16, one side that guard plate 15 was kept away from to sealing ring 16 is sticky through the self-adhesion with sample thief body 1's front, through setting up guard plate 15 and sealing ring 16, can protect sample thief body 1's display screen, avoid sample thief body 1 to drop and appear damaging in the outdoor use.

When using, the user inhales outside volatile gas through intake pipe 2 and extension 7 and examines the inside of sample thief body 1, when needs are adjusted the velocity of flow, the user at first moves holding ring 8 downwards, when holding ring 8 drives stopper 10 and breaks away from the inside of spacing groove 9, the user rotates swivel nut 3 and makes swivel nut 3 drive sealed piece 5 remove and change with the interval between the tilt ring 6, reach suitable flow and stopper 10 when aligning once more with spacing groove 9 when the velocity of flow, the user loosens holding ring 8, pressure spring 11 releases the deformability and pushes holding ring 8 and resets, make stopper 10 insert the inside of spacing groove 9 once more, thereby reach the effect of regulation flow.

In conclusion, according to the subminiature volatile gas sampler with the flow rate adjustable, the screw sleeve 3 is rotated to drive the sealing block 5 to move and change the distance between the sealing block and the inclined ring 6, so that the effect of changing the flow rate collected by the sampler body 1 is achieved, the problems that the existing gas sampler cannot adjust the flow rate and is not convenient for the gas sampler to test the gas content in different flow rates are solved, and the subminiature volatile gas sampler with the flow rate adjustable has the advantages of adjusting the flow rate and the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 microminiature volatile gas sampler with adjustable flow rate, comprising a sampler body (1), characterized in that: the input intercommunication of sample thief body (1) has intake pipe (2), the surperficial threaded connection of intake pipe (2) has swivel nut (3), opening (4) have been seted up at the top of swivel nut (3), the top fixedly connected with of swivel nut (3) inner wall is located inside sealed piece (5) of sample thief body (1), the inside fixedly connected with of intake pipe (2) is located slope ring (6) of sealed piece (5) bottom, the top fixedly connected with extension pipe (7) of swivel nut (3).

2. The adjustable flow rate subminiature volatile gas sampler of claim 1, wherein: the surface cover of intake pipe (2) is equipped with holding ring (8), spacing groove (9) have been seted up to the bottom of swivel nut (3), the top fixedly connected with of holding ring (8) is located inside stopper (10) of spacing groove (9), spacing groove (9) and stopper (10) swing joint.

3. The adjustable flow rate subminiature volatile gas sampler of claim 2, wherein: the top fixedly connected with cover of sample thief body (1) establishes pressure spring (11) at intake pipe (2) surface, the top of pressure spring (11) and the bottom fixed connection of holding ring (8).

4. The adjustable flow rate subminiature volatile gas sampler of claim 2, wherein: spout (12) have all been seted up on the left side and the right side of intake pipe (2), the left side and the equal fixedly connected with in right side of holding ring (8) inner wall are located inside slider (13) of spout (12), slider (13) and spout (12) sliding connection.

5. The adjustable flow rate subminiature volatile gas sampler of claim 1, wherein: the fixed surface of sealed piece (5) is connected with cushion (14), the one end that sealed piece (5) were kept away from in cushion (14) and the surface contact of slope ring (6), the material of cushion (14) is silica gel.

6. The adjustable flow rate subminiature volatile gas sampler of claim 1, wherein: the front of sampler body (1) is provided with guard plate (15), the back fixedly connected with sealing ring (16) of guard plate (15), one side that guard plate (15) were kept away from in sealing ring (16) is through self-adhesive with the front of sampler body (1) to glue.