CN217698448U

CN217698448U - Anti-blocking sampling backflow double-tube type sampling probe

Info

Publication number: CN217698448U
Application number: CN202222019436.8U
Authority: CN
Inventors: 马新桂
Original assignee: Guangzhou Dongxin Energy Technology Co ltd
Current assignee: Guangzhou Dongxin Energy Technology Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-01
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses an anti-clogging sampling backflow double-tube type sampling probe, which comprises a sampler body, an air inlet pipe, a backflow outlet pipe, an air inlet joint and an air outlet joint, wherein a piston block is fixedly connected to the bottom of the telescopic end of an electric telescopic rod, a pressing block is integrally formed at the bottom of the piston block, and a limiting ring is fixedly connected to the inner wall of the air outlet joint, which is close to the end part of a filter screen; the utility model discloses the solid-state disinfectant who packs among the filter element is chlorine dioxide solid-state thing, gather gaseous back at the sample thief body, electric telescopic handle accessible flexible end electric rubber piston piece impresses in the gas outlet connects the inner wall, make the gaseous residual impurity of sampling in the gas outlet connects the inner wall extruded, clear scrape to the filter screen inner wall on, tiny impurity accessible filter screen surface filtration pore drops to crossing in the filter element, when great granule impurity drops to in the filtration pore, the briquetting can laminate with the filtration pore, the granule of having realized the jam is extruded the clearance to crossing in the filter element, avoid blockking up the filter screen.

Description

Anti-blocking sampling backflow double-tube type sampling probe

Technical Field

The utility model relates to a gaseous sampling technical field specifically is a prevent blockking up sampling backward flow double-tube formula sampling probe.

Background

Environmental protection department or security check department are left how much in order to detect the gas in the closed environment, whether reach the degree of safe opening, for example the container detects, need adopt the sampling pipe to detect in introducing gas detector with residual gas in the container, and current sampling probe when using, generally all directly with inside the seal structure such as container with the probe insertion, prevent to leak through the back flow to the inside harmful gas of closed environment.

Now inquiring Chinese patent is a kind of anti-block sampling reflux double-tube type sampling probe, the publication number: CN214224685U has solved the inside problem that does not possess filtration of current gas outlet joint, has improved the problem of the practicality of sample thief main part, and still has following defect, and the inside easy adhesion harmful gas's of back flow impurity is difficult to the sanitization, and the dismouting clearance of filter screen is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent blockking up sampling backward flow double-tube formula sampling probe to solve the inside easy adhesion harmful gas's of back flow impurity, be difficult to the sanitization, and the dismouting clearance of filter screen is comparatively loaded down with trivial details, causes the not hard up problem of filter screen and air outlet pipe joint easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent blockking up sampling backward flow double-tube sampling probe, includes sample thief body, intake pipe, backward flow outlet duct, air inlet joint, gas outlet joint, sample thief body one side through connection has intake pipe, backward flow outlet duct respectively, sample thief body bottom is close to intake pipe one side through connection has air inlet joint, gas outlet joint respectively, gas outlet joint bottom can be dismantled and is connected with the filter screen, sample thief body inner wall top one side fixed mounting has electric telescopic handle, the peripheral cover of electric telescopic handle expansion end is equipped with the torsion pressure spring, electric telescopic handle expansion end bottom fixedly connected with piston block, piston block bottom integrated into one piece has the briquetting, gas outlet joint inner wall is close to filter screen tip department fixedly connected with spacing ring.

Preferably, the intake pipe the peripheral cover of backflow outlet duct is equipped with sealed the pad, the filter screen bottom can be dismantled and be connected with the filter core.

Preferably, the filter screen pass through screw thread fixed connection in the peripheral bottom of gas outlet joint, it is the funnel type to filter the core, it has solid-state disinfectant to filter to fill in the core inner wall, and filter the core pass through screw thread fixed connection in the peripheral bottom of filter screen.

Preferably, the piston block is made of rubber, and the piston block is in interference fit with the inner wall of the air outlet connector.

Preferably, the briquetting is the rubber material, and the briquetting size with filter screen surface filtration pore size looks adaptation, briquetting length is greater than filter screen inner wall bottom arrives interval between the spacing ring top.

Preferably, the torsion pressure spring is of a conical structure, and two ends of the torsion pressure spring are respectively and fixedly connected to the fixed end and the peripheral edge of the telescopic end of the electric telescopic rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses solid-state disinfectant who packs among the filter element is chlorine dioxide solid-state thing, gather gaseous back at the sample thief body, electric telescopic handle accessible flexible end electric rubber piston piece impresses in the gas outlet connects the inner wall, make gaseous residual impurity of sampling in the gas outlet connects the inner wall extruded, clear scrape to the filter screen inner wall on, tiny impurity accessible filter screen surface filtration pore drops to crossing in the filter element, when great granule impurity drops to in the filtration pore, the briquetting can laminate with the filtration pore, the granule of having realized blockking up is extruded the clearance to crossing in the filter element, avoid blockking up the filter screen, the inside easy adhesion harmful gas's of back flow impurity has been solved, it is difficult to the clean up, and the dismouting clearance of filter screen is comparatively loaded down with trivial details, cause the not hard up problem of filter screen and gas outlet pipe joint easily.

Drawings

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

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

fig. 3 is a schematic view of a part a of the enlarged structure in fig. 2.

In the figure: 1. a sampler body; 2. an air inlet pipe; 3. a return air outlet pipe; 4. a gasket; 5. an air inlet joint; 6. an air outlet joint; 7. filtering with a screen; 8. an electric telescopic rod; 9. a torsion pressure spring; 10. a piston block; 11. a filter element; 12. briquetting; 13. a limit ring.

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 the described embodiments are only some embodiments, not all embodiments, of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an anti-clogging sampling backflow double-tube type sampling probe comprises a sampler body 1, an air inlet pipe 2, a backflow air outlet pipe 3, an air inlet joint 5 and an air outlet joint 6, wherein the air inlet pipe 2 and the backflow air outlet pipe 3 are respectively connected to one side of the sampler body 1 in a penetrating manner, the air inlet joint 5 and the air outlet joint 6 are respectively connected to one side, close to the air inlet pipe 2, of the bottom of the sampler body 1 in a penetrating manner, and a filter screen 7 is detachably connected to the bottom end of the air outlet joint 6;

an electric telescopic rod 8 is fixedly installed on one side of the top of the inner wall of the sampler body 1, a torsion pressure spring 9 is sleeved on the periphery of the telescopic end of the electric telescopic rod 8, a piston block 10 is fixedly connected to the bottom of the telescopic end of the electric telescopic rod 8, a pressing block 12 is integrally formed at the bottom of the piston block 10, and a limiting ring 13 is fixedly connected to the inner wall of the gas outlet joint 6, close to the end part of the filter screen 7;

the solid disinfectant filled in the filter element 11 is chlorine dioxide solid, after the sampler body 1 collects gas, the electric telescopic rod 8 can be pressed into the inner wall of the gas outlet joint 6 through the telescopic end electric rubber piston block 10, so that residual impurities in the sampled gas in the inner wall of the gas outlet joint 6 are extruded and scraped onto the inner wall of the filter screen 7, fine impurities can fall into the filter element 11 through filter holes in the surface of the filter screen 7, and when larger particle impurities fall into the filter holes, the pressing block 12 can be attached to the filter holes, so that the blocked particles are extruded and cleaned into the filter element 11, and the filter screen 7 is prevented from being blocked;

spacing ring 13 can be to piston block 10 and briquetting 12 effective protection to filter screen 7 surperficial filtration pore, avoids piston block 10 and briquetting 12 to filter screen 7 surface extrusion, causes the damage of filter screen 7, and elastic connection torsion pressure spring 9 between 8 stiff ends of electric telescopic handle and the flexible end avoids electric telescopic handle 8 to drive piston block 10 and briquetting 12 too big to filter screen 7 surperficial filtration pore extrusion force, causes the deformation.

Wherein,

intake pipe

2, 3 peripheral covers of backward flow outlet duct are equipped with sealed 4, and filter core 11 can be dismantled and be connected with in filter core 7 bottom, and solid-state disinfectant is effectual disinfects, purifies filter core 7 department's combustion gas in the filter core 11, avoids harmful gas direct discharge.

Wherein, filter screen 7 passes through screw thread fixed connection and connects 6 peripheral bottoms in the gas outlet, crosses filter core 11 and be the funnel type, and it has solid-state disinfectant to fill in the filter core 11 inner wall, and crosses filter core 11 and pass through screw thread fixed connection in the peripheral bottom of filter screen 7, has realized filter screen 7 and the demountable installation of crossing filter core 11, and the later stage of being convenient for is changed and is dismantled a small amount of residue of clearance not inside.

Wherein, piston block 10 is the rubber material, and piston block 10 is interference fit with 6 inner walls of gas outlet joint, and electric telescopic handle 8 accessible flexible end electric rubber piston block 10 impresses in 6 inner walls of gas outlet joint for sampling gas remains impurity by the extrusion in 6 inner walls of gas outlet joint, on the clear filter screen 7 inner walls of scraping.

Wherein, briquetting 12 is the rubber material, and briquetting 12 size and filter screen 7 surface filtration pore size looks adaptation, and briquetting 12 length is greater than 7 inner walls of filter screen bottoms to spacing ring 13 top between the interval, and briquetting 12 can laminate with the filtration pore, has realized that the granule that blocks up is extruded the clearance to filter element 11 in, avoids blockking up filter screen 7.

Wherein, torque pressure spring 9 is the toper structure, and torque pressure spring 9 both ends respectively fixed connection in 8 stiff ends of electric telescopic handle and flexible end peripheral edge department, and elastic connection torque pressure spring 9 between 8 stiff ends of electric telescopic handle and the flexible end avoids electric telescopic handle 8 to drive piston block 10 and briquetting 12 too big to filter 7 surperficial filtration pore extrusion forces of filter screen, causes the deformation.

The working principle is as follows: when the sampling device is used, the sampling device is firstly attached to the wall of a box to be detected through the sealing gasket 4, gas sampling is carried out through the gas inlet pipe 2 of the sampler body 1, after sampling is finished, the electric telescopic rod 8 can be pressed into the inner wall of the gas outlet joint 6 through the telescopic end electric rubber piston block 10, residual impurities in the sampled gas in the inner wall of the gas outlet joint 6 are extruded and scraped to the inner wall of the filter screen 7, fine impurities can fall into the filter element 11 through the surface filter hole of the filter screen 7, when large particle impurities fall into the filter hole, the pressing block 12 can be attached to the filter hole, the blocked particles are extruded and cleaned to the filter element 11, the filter screen 7 is prevented from being blocked, finally, the filter element 11 is fixedly connected to the peripheral bottom of the filter screen 7 through threads, the filter screen 7 and the filter element 11 can be detachably mounted, and a small amount of residues which are not cleaned inside can be conveniently replaced and detached in the later period.

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

Claims

1. The utility model provides a prevent blockking up sampling backward flow double-tube sampling probe, includes sample thief body (1), intake pipe (2), backward flow outlet duct (3), air inlet joint (5), gas outlet joint (6), its characterized in that: sample thief body (1) one side through connection has intake pipe (2), return air outlet pipe (3) respectively, sample thief body (1) bottom is close to intake pipe (2) one side through connection has air inlet joint (5), gas outlet joint (6) respectively, gas outlet joint (6) bottom can be dismantled and is connected with filter screen (7), sample thief body (1) inner wall top one side fixed mounting has electric telescopic handle (8), electric telescopic handle (8) flexible end periphery cover is equipped with torsion pressure spring (9), electric telescopic handle (8) flexible end bottom fixedly connected with piston piece (10), piston piece (10) bottom integrated into one piece has briquetting (12), gas outlet joint (6) inner wall is close to filter screen (7) tip department fixedly connected with spacing ring (13).

2. The anti-clogging sampling reflux double tube sampling probe of claim 1, wherein: intake pipe (2) the peripheral cover of backward flow outlet duct (3) is equipped with sealed pad (4), filter screen (7) bottom can be dismantled and be connected with filter core (11).

3. The anti-clogging sampling reflux double tube sampling probe of claim 2, wherein: filter screen (7) through screw thread fixed connection in the peripheral bottom of gas outlet joint (6), it is the funnel type to filter core (11), it has solid-state disinfectant to filter to fill in core (11) inner wall, and filter core (11) through screw thread fixed connection in the peripheral bottom of filter screen (7).

4. The anti-clogging sampling reflux double tube sampling probe of claim 3, wherein: the piston block (10) is made of rubber, and the piston block (10) is in interference fit with the inner wall of the air outlet connector (6).

5. The anti-clogging sampling reflux double tube sampling probe of claim 4, wherein: briquetting (12) are the rubber material, and briquetting (12) size with filter screen (7) surface filtration pore size looks adaptation, briquetting (12) length is greater than filter screen (7) inner wall bottom arrives interval between spacing ring (13) top.

6. The anti-clogging sampling reflux double tube sampling probe of claim 5, wherein: the torsion pressure spring (9) is of a conical structure, and two ends of the torsion pressure spring (9) are respectively and fixedly connected to the fixed end and the peripheral edge of the telescopic end of the electric telescopic rod (8).