CN218725773U

CN218725773U - Sampling device of particle counter

Info

Publication number: CN218725773U
Application number: CN202222653760.5U
Authority: CN
Inventors: 杨耀; 周文军
Original assignee: Qichen Automation Equipment Shenzhen Co ltd
Current assignee: Qichen Automation Equipment Shenzhen Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-24
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a particle counter sampling device, which comprises a hose, the outside fixed mounting of hose has the restriction cover, the both ends fixed mounting of hose has sealed takeover, the inside of sealed takeover is provided with the metal funnel that admits air, the upper end fixed mounting that admits air the metal funnel has the activity stopper that admits air, the quantity of restriction cover installation has a plurality of, restriction cover evenly distributed is in the outside of hose, sealed takeover includes urceolus shell, sponge inside lining, rubber inside lining and annular groove. A particle counter sampling device, admit air the movable stopper and can block up the other end of hose through the metal funnel cooperation that admits air, block up operation process simple and convenient, be favorable to the particle counter to sample at different regions and detect, can prevent through the restriction cover that the hose is too crooked and extrusion, take place to block up, influence the sampling, let the more firm of hose installation through sealed takeover, and the leakproofness is better.

Description

Sampling device of particle counter

Technical Field

The utility model relates to a particle counter sampling device technical field, in particular to particle counter sampling device.

Background

The particle counter is a special instrument for testing the particle size and distribution of airborne dust particles, is developed by a microscope, undergoes the processes of the microscope, a settling tube, a settling instrument, a centrifugal settling instrument, a particle counter, a laser air particle counter, a condensation nucleus particle counter, a multi-channel multifunctional particle counter and the like, is widely applied to pharmaceutical inspection institutions, blood centers, epidemic prevention stations, disease control centers, quality supervision institutions and other authorities of various provinces and cities, electronic industries, pharmaceutical workshops, semiconductors, optical or precision machining, plastics, paint spraying, hospitals, environmental protection, inspection centers and other production enterprises and scientific research departments, and is generally formed by combining a hose, a metal funnel and a bracket.

There is certain drawback in current particle counter sampling device when using, among the particle counter sampling device in the tradition, the hose takes place to block up by buckling and extrusion easily, and the hose is installed and is slipped easily on the particle counter, and the hose other end is inconvenient to be blockked up, and the particle counter is not convenient for carry out the sampling in different regions and detects.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a particle counter sampling device, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a particle counter sampling device, includes the hose, the outside fixed mounting of hose has the restriction cover, the both ends fixed mounting of hose has sealed takeover, sealed takeover's inside is provided with the metal funnel that admits air, the upper end fixed mounting of the metal funnel that admits air has the movable stopper that admits air, the quantity of restriction cover installation has a plurality of, restriction cover evenly distributed is in the outside of hose.

Preferably, the sealing connecting pipe comprises an outer cylinder shell, a sponge lining, a rubber lining and an annular groove.

Preferably, the outer cylinder shell is fixedly arranged at two ends of the hose, the sponge lining is fixedly arranged on the inner side of the outer cylinder shell, the rubber lining is fixedly arranged on the inner side of the sponge lining, the annular grooves are formed in the inner side of the rubber lining, the number of the annular grooves is seven, and the annular grooves are uniformly distributed on the inner side of the rubber lining.

Preferably, the movable air inlet plug comprises a tripod, a threaded pull rod, a circular baffle, a rubber plug, a telescopic spring, a tail ball, a limit ring and a threaded hollow ring.

Preferably, tripod fixed mounting is in the upper end of admitting air metal funnel, the inside of tripod is located to the screw thread pull rod, circular baffle fixed mounting is in the screw thread pull rod outside, the position that is close to the upper end in the screw thread pull rod outside is equipped with the screw thread.

Preferably, rubber buffer fixed mounting is in the lower extreme of screw thread pull rod, the outside of screw thread pull rod is located to the expanding spring cover, expanding spring is located between tripod and the circular baffle, tail ball fixed mounting is in the upper end of screw thread pull rod, stop ring fixed mounting is in the position that the tripod upper surface corresponds to circular through-hole, the outside of screw thread pull rod is located to the hollow ring cover of screw thread, the hollow ring of screw thread is located the inside of stop ring, the inside of admitting air metal funnel is filled in to the lower extreme of rubber buffer.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the metal funnel that admits air that sets up and the activity stopper that admits air, the metal funnel cooperation that admits air activity stopper can block up the other end of hose, and it is simple and convenient to block up operation process, is favorable to the particle counter to carry out the sampling detection in different regions, and through the restriction cover that sets up, the restriction cover can prevent that the hose from too crooked and extrusion, takes place to block up, influences the sampling, and through the sealed takeover that sets up, sealed takeover lets hose installation more firm, and the leakproofness is better.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a particle counter sampling device according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1 of a particle counter sampling apparatus according to the present invention;

FIG. 3 is a schematic view of the upper end of the flexible tube and the limiting sleeve of the sampling device of the particle counter according to the present invention;

fig. 4 is a schematic cross-sectional view of a sealing adapter of a particle counter sampling apparatus according to the present invention;

fig. 5 is a schematic sectional view of an air inlet movable plug of a particle counter sampling device according to the present invention;

fig. 6 is an enlarged schematic view of a portion B in fig. 5 of the sampling device of the particle counter according to the present invention.

In the figure: 1. a hose; 2. a restraining sleeve; 3. sealing the connecting pipe; 301. an outer cylindrical shell; 302. a sponge lining; 303. a rubber lining; 304. an annular groove; 4. a gas inlet metal funnel; 5. an air inlet movable plug; 501. a tripod; 502. a threaded pull rod; 503. a circular baffle; 504. a rubber plug; 505. a tension spring; 506. a tail ball; 507. a limiting ring; 508. a threaded hollow ring.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1 to 6, a particle counter sampling device comprises a hose 1, a limiting sleeve 2 is fixedly mounted on the outer side of the hose 1, sealing connection pipes 3 are fixedly mounted at two ends of the hose 1, an air inlet metal funnel 4 is arranged inside the sealing connection pipes 3, an air inlet movable plug 5 is fixedly mounted at the upper end of the air inlet metal funnel 4, the limiting sleeves 2 are mounted in a plurality of numbers, the limiting sleeves 2 are uniformly distributed on the outer side of the hose 1, the air inlet metal funnel 4 can block the other end of the hose 1 by matching with the air inlet movable plug 5, the blocking operation process is simple and convenient, sampling detection of a particle counter in different areas is facilitated, the limiting sleeve 2 can prevent the hose 1 from being excessively bent and extruded, blocking occurs, sampling is influenced, the sealing connection pipes 3 enable the hose 1 to be mounted more firmly, and the sealing performance is better;

the sealing connecting pipe 3 comprises an outer cylinder shell 301, a sponge lining 302 and a rubber lining 303 arranged in an annular groove 304; the outer cylinder shell 301 is fixedly arranged at two ends of the hose 1, the sponge lining 302 is fixedly arranged at the inner side of the outer cylinder shell 301, the rubber lining 303 is fixedly arranged at the inner side of the sponge lining 302, the annular grooves 304 are formed in the inner side of the rubber lining 303, the number of the annular grooves 304 is seven, the annular grooves 304 are uniformly distributed at the inner side of the rubber lining 303, the rubber lining 303 can be better attached to the surface of the air inlet port through the sponge lining 302, and the rubber lining 303 is better sealed through the annular grooves 304; the air inlet movable plug 5 comprises a tripod 501, a threaded pull rod 502, a circular baffle 503, a rubber plug 504, a telescopic spring 505, a tail ball 506, a limit ring 507 and a threaded hollow ring 508; the tripod 501 is fixedly arranged at the upper end of the air inlet metal funnel 4, the threaded pull rod 502 is arranged in the tripod 501, the circular baffle 503 is fixedly arranged on the outer side of the threaded pull rod 502, and threads are arranged on the outer side of the threaded pull rod 502 close to the upper end; rubber buffer 504 fixed mounting is in the lower extreme of screw rod 502, the outside of screw rod 502 is located to expanding spring 505 cover, expanding spring 505 is located between tripod 501 and circular baffle 503, tail ball 506 fixed mounting is in the upper end of screw rod 502, spacing ring 507 fixed mounting is in the position that the upper surface of tripod 501 corresponds to circular through-hole, the outside of screw rod 502 is located to the hollow ring 508 cover of screw, the hollow ring 508 of screw is located the inside of spacing ring 507, the inside of metal funnel 4 that admits air is packed into to the lower extreme of rubber buffer 504.

It should be noted that, the utility model relates to a particle counter sampling device, in use, in sealed takeover 3, cover the rubber inside lining 303 of hose 1 one end on the interface that admits air of particle counter, sponge inside lining 302 lets rubber inside lining 303 can better laminate on the surface of the interface that admits air, annular groove 304 makes rubber inside lining 303 leakproofness better, sealed takeover 3 lets more firm of hose 1 installation, and the leakproofness is better, in admit air movable stopper 5, hold tail ball 506 and upwards stimulate threaded pull rod 502, the hollow ring 508 of screw thread in the rotatory spacing ring 507 afterwards, just can restrict the position of threaded pull rod 502, expanding spring 505 is compressed, rubber buffer 504 lower extreme withdraws from the inside of admitting air metal funnel 4, the air just can enter into the inside of particle counter through admitting air metal funnel 4 and hose 1, when needing to close, rotatory hollow ring 508 of screw thread in the opposite direction, loosen threaded pull rod 502, expanding spring 505 reconversion, rubber buffer 504 presses the inside of admitting air metal funnel 4 again, seal, metal funnel 4 cooperates the movable stopper 5 that admits air can block up the other end of hose 1, block up the simple operation process of particle counter, and be favorable to detect in different regions.

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 understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A particle counter sampling apparatus, characterized by: including hose (1), the outside fixed mounting of hose (1) has restriction cover (2), the both ends fixed mounting of hose (1) has sealed takeover (3), the inside of sealed takeover (3) is provided with air inlet metal funnel (4), air inlet metal funnel's (4) upper end fixed mounting has air inlet movable stopper (5), the quantity of restriction cover (2) installation has a plurality of, restriction cover (2) evenly distributed is in the outside of hose (1).

2. A particle counter sampling apparatus according to claim 1, wherein: the sealing connecting pipe (3) comprises an outer cylinder shell (301), a sponge lining (302), a rubber lining (303) and an annular groove (304).

3. A particle counter sampling apparatus according to claim 2, wherein: outer cylinder shell (301) fixed mounting is in the both ends of hose (1), sponge inside lining (302) fixed mounting is in the inboard of outer cylinder shell (301), rubber inside lining (303) fixed mounting is in the inboard of sponge inside lining (302), the inboard of rubber inside lining (303) is seted up in annular groove (304), the quantity that annular groove (304) were seted up is seven, annular groove (304) evenly distributed is in the inboard of rubber inside lining (303).

4. A particle counter sampling apparatus according to claim 1, wherein: the air inlet movable plug (5) comprises a tripod (501), a threaded pull rod (502), a circular baffle (503), a rubber plug (504), an extension spring (505), a tail ball (506), a limiting ring (507) and a threaded hollow ring (508).

5. A particle counter sampling apparatus according to claim 4, wherein: tripod (501) fixed mounting is in the upper end of admitting air metal funnel (4), the inside of tripod (501) is located in screw thread pull rod (502), circular baffle (503) fixed mounting is in the screw thread pull rod (502) outside, the position that is close to the upper end in the screw thread pull rod (502) outside is equipped with the screw thread.

6. A particle counter sampling apparatus according to claim 5, wherein: rubber buffer (504) fixed mounting is in the lower extreme of screw pull rod (502), the outside of screw pull rod (502) is located to expanding spring (505) cover, expanding spring (505) are located between tripod (501) and circular baffle (503), tail ball (506) fixed mounting is in the upper end of screw pull rod (502), spacing ring (507) fixed mounting is in the position that tripod (501) upper surface corresponds to circular through-hole, the outside of screw pull rod (502) is located to the hollow ring of screw (508) cover, the hollow ring of screw (508) is located the inside of spacing ring (507), the inside of metal funnel (4) admits air is filled in to the lower extreme of rubber buffer (504).