CN209606165U

CN209606165U - A kind of segmented sampler for air detection

Info

Publication number: CN209606165U
Application number: CN201920353692.6U
Authority: CN
Inventors: 孔波
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2019-11-08
Anticipated expiration: 2029-03-20

Abstract

The utility model relates to air sampler correlative technology fields, specially a kind of segmented sampler for air detection, including outer cylinder, first piston, the first pull rod and sampler barrel, it is characterized by: outer cylinder is cylinder-like structure of the both ends in opening, the internal slide of outer cylinder is equipped with first piston, and the inner wall of the outer surface of first piston and outer cylinder is in close contact；It has the beneficial effect that by the way that multiple groups sampler barrel is arranged in outer cylinder lower surface, it can be extracted using primary, extract the air sample of multiple sample points, reduce the working strength of inspector, and pass through setting spring and sealing cap, the air sample taken can be sealed, not interfere with each other the sample between each sampler barrel；By the way that detector is arranged in second piston upper surface, the sample taken can be detected in time, guarantee that the accuracy and precision of detection can will test head and screw out from second piston secondly by the second pull rod of turn, convenient for the air in sampler barrel to be discharged.

Description

A kind of segmented sampler for air detection

Technical field

The utility model relates to air sampler correlative technology field, specially a kind of segmented for air detection is taken Sample device.

Background technique

The substance being harmful to the human body that house decorative material, furniture etc. contain, be discharged into household, in working environment caused by Finishing pollution, therefore need to detect air quality before moving in." the ring in civil building engineering room of country's issuing and implementation in 2006 Border contamination control specification " list five kinds of major pollutants: formaldehyde, benzene, ammonia, total volatile organic compounds TVOC, radioactivity Radon etc..However room air molecule is in the state of flowing, if one place of every detection, takes a sample, then virtually increases The working strength of inspector.

Utility model content

The purpose of this utility model is to provide a kind of segmented samplers for air detection to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of segmented for air detection takes Sample device, including outer cylinder, first piston, the first pull rod and sampler barrel, it is characterised in that: the outer cylinder is cylinder of the both ends in opening Shape structure, the internal slide of the outer cylinder is equipped with first piston, and the outer surface of first piston and the inner wall of outer cylinder closely connect Touching, the outer surface side center of the first piston is fixedly connected with the first pull rod, and outer cylinder is stretched out in the end of the first pull rod Outside, the end of first pull rod are welded with auxiliary rod, and the lower surface of the outer cylinder is fixedly installed with three groups of sampler barrels, described The inside of sampler barrel is fixedly installed with second piston, and the lower surface of the second piston is fixedly connected with the second pull rod, and described The upper surface of two pistons is bonded with plectane, and the upper surface of plectane is provided centrally with detector, and the upper surface of the plectane is located at The peripheral solder of detector has spring, and the upper end of spring is bonded with sealing cap, and the outer surface of the sampler barrel is provided with by upper end Communicating pipe, the communicating pipe is in lateral " u "-shaped, and the both ends of communicating pipe are connected to the inside of sampler barrel respectively, and described first The lateral surface of the piston side opposite with the first pull rod offers air inlet pipe, and the air inlet pipe is in inverted L shape, and air inlet pipe Vertical section lead to the outside of first piston.

Preferably, the lower surface of the outer cylinder offers three groups of threaded holes, and the outer surface upper end of sampler barrel is provided with and spiral shell The matched external screw thread of pit internal screw thread, the upper end of sampler barrel are screwed onto threaded hole, and the upper end of sampler barrel and outer barrel connect It is logical.

Preferably, the lower surface of the second piston offers threaded hole, and the upper surface of plectane offers identical screw thread Hole, two groups of threaded hole connections, the outer surface of the second pull rod are provided with external screw thread, and the upper end of the second pull rod passes through second piston and circle The center of plate, and be spirally connected fixation with second piston and plectane.

Preferably, the upper end of second pull rod is fixed with detector lower surface bonds, and the diameter of detector is less than The diameter of two pull rods, the upper surface of the second pull rod and the upper surface of plectane are concordant, and the lower end of the second pull rod is integrally formed with disk.

Preferably, the sealing cap is cylinder-like structure of the lower end in opening, and the length of sealing cap is less than communicating pipe upper and lower two The outer surface of the distance between end opening, sealing cap is contacted with the opening of communicating pipe upper end, two groups is provided with communicating pipe, in sampler barrel Outer surface be symmetrical set.

Preferably, the horizontal segment opening diameter of the air inlet pipe is greater than the diameter of air inlet pipe, and the vertical section of air inlet pipe is opened Mouth diameter is less than the diameter of air inlet pipe, and the diameter of air inlet pipe is less than the diameter of sampler barrel.

Compared with prior art, the utility model has the beneficial effects that

1. can be extracted using primary by the way that multiple groups sampler barrel is arranged in outer cylinder lower surface, extract the sky of multiple sample points Gas sample product reduce the working strength of inspector, and by setting spring and sealing cap, can carry out to the air sample taken close Envelope, does not interfere with each other the sample between each sampler barrel,

2. can be detected in time to the sample taken by the way that detector is arranged in second piston upper surface, guarantee inspection The accuracy and precision of survey can will test head and screw out from second piston secondly by the second pull rod of turn, convenient for that will sample Air discharge in cylinder.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the utility model；

Fig. 2 is the utility model first piston perspective view；

Fig. 3 is the utility model second piston and the second pull rod connection schematic diagram.

In figure: 1 outer cylinder, 2 first pistons, 3 first pull rods, 4 auxiliary rods, 5 sampler barrels, 6 second pistons, 7 second pull rods, 8 Plectane, 9 springs, 10 sealing caps, 11 communicating pipes, 12 detectors, 13 air inlet pipe.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of segmented for air detection takes Sample device, including outer cylinder 1, first piston 2, the first pull rod 3 and sampler barrel 5, as shown in Figure 1, outer cylinder 1 is cylinder of the both ends in opening Shape structure, the internal slide of outer cylinder 1 is equipped with first piston 2, and the outer surface of first piston 2 and the inner wall of outer cylinder 1 closely connect Touching, the outer surface side center of first piston 2 is fixedly connected with the first pull rod 3, and outer cylinder 1 is stretched out in the end of the first pull rod 3 Outside, the end of the first pull rod 3 are welded with auxiliary rod 4, and the lower surface of outer cylinder 1 offers three groups of threaded holes, is spirally connected in threaded hole There is sampler barrel 5, is connected to inside 5 upper end of sampler barrel and outer cylinder 1, the inside of sampler barrel 5 is fixedly installed with second piston 6.

As shown in figure 3, the lower surface of second piston 6 offers threaded hole, the lower surface of second piston 6 is bolted with the second drawing Bar 7, the upper surface of second piston 6 are bonded with plectane 8, and the upper surface of plectane 8 offers identical threaded hole, and two groups of threaded holes connect Logical, the upper end of the second pull rod 7 is bonded with detector 12, diameter of the diameter less than the second pull rod 7 of detector 12, the second pull rod 7 It is screwed onto threaded hole, and the upper surface of the second pull rod 7 is concordant with the upper surface of plectane 8, detector 12 leads to across threaded hole The upper surface of plectane 8.

As shown in Figure 1, the peripheral solder that the upper surface of plectane 8 is located at detector 12 has spring 9, and the upper end of spring 9 is viscous It is connected to sealing cap 10, sealing cap 10 is cylinder-like structure of the lower end in opening, and the outer surface of sampler barrel 5 is provided with communicating pipe by upper end 11, communicating pipe 11 is in lateral " u "-shaped, and the both ends of communicating pipe 11 are connected to the inside of sampler barrel 5 respectively, the length of sealing cap 10 Less than the distance between 11 upper and lower ends of communicating pipe opening, the outer surface of sealing cap 10 is contacted with the opening of 11 upper end of communicating pipe, even Siphunculus 11 is provided with two groups, is symmetrical set in the outer surface of sampler barrel 5, and the lateral surface of first piston 2 and the first pull rod 3 are opposite Side offer air inlet pipe 13, air inlet pipe 13 is in inverted L shape, and the vertical section of air inlet pipe 13 leads to first piston 2 Outside, the horizontal segment opening diameter of air inlet pipe 13 is greater than the diameter of air inlet pipe 13, and the vertical section opening diameter of air inlet pipe 13 is small In the diameter of air inlet pipe 13, the diameter of air inlet pipe 13 is less than the diameter of sampler barrel 5, and air inlet pipe input end is in extension shape, convenient for receiving Collect more air, and outlet end then enhances the pressure for being applied to 10 upper surface of sealing cap, makes its compressed spring 9 in contraction-like, Sealing cap 10 is driven to move down, so that the both ends of communicating pipe 11 are open state, convenient for collecting air.

Working principle: extracting to the right the first pull rod 3 out, makes it that first piston 2 be driven to move right, when the outlet of air inlet pipe 13 When the sealing cap 10 of place first group of 5 upper end of sampler barrel of alignment, external air is drawn to exit by air inlet pipe 13, and atmospheric pressure is given The downward pressure of sealing cap 10 shrinks spring 9, drives sealing cap 10 to be moved downward between 11 two groups of openings of communicating pipe, this space-time Gas flows in sampler barrel 5 from the upper end opening of communicating pipe 11, continues to extract the first pull rod 3 out, when under first piston 2 and outer cylinder 1 When the threaded hole contact on surface, air can not be reached in sampler barrel 5, when the air inlet pipe 13 of 2 lower end of first piston is directed at second group When sampler barrel 5, the upper end of first group of sampler barrel 5 is no longer contacted with first piston 2 at this time, the rebound upward to sealing cap 10 of spring 9 Power contacts sealing cap 10 by the opening of 11 upper end of communicating pipe again, plays sealing function, detector 12 is to the sample in sampler barrel 5 Product are detected in time, when needing that sample is discharged, can turn the second pull rod 7 downwards, make it drive detector 12 from plectane 8 Upper surface screw out, air from threaded hole overflow.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of segmented sampler for air detection, including outer cylinder (1), first piston (2), the first pull rod (3) and take Sample cylinder (5), it is characterised in that: the outer cylinder (1) is cylinder-like structure of the both ends in opening, the internal slide of the outer cylinder (1) It is equipped with first piston (2), and the inner wall of the outer surface of first piston (2) and outer cylinder (1) is in close contact, the first piston (2) outer surface side center is fixedly connected with the first pull rod (3), and the outer of outer cylinder (1) is stretched out in the end of the first pull rod (3) The end in portion, first pull rod (3) is welded with auxiliary rod (4), and the lower surface of the outer cylinder (1) is fixedly installed with three groups of samplings Cylinder (5), the inside of the sampler barrel (5) are fixedly installed with second piston (6), and the lower surface of the second piston (6) is fixed to be connected It is connected to the second pull rod (7), the upper surface of the second piston (6) is bonded with plectane (8), and the upper surface center of plectane (8) is set It is equipped with detector (12), the peripheral solder that the upper surface of the plectane (8) is located at detector (12) has spring (9), and spring (9) Upper end be bonded with sealing cap (10), the outer surface of the sampler barrel (5) is provided with communicating pipe (11), the communicating pipe by upper end (11) in lateral " u "-shaped, and the both ends of communicating pipe (11) are connected to the inside of sampler barrel (5) respectively, the first piston (2) Lateral surface and the opposite side of the first pull rod (3) offer air inlet pipe (13), the air inlet pipe (13) is in inverted L shape, And the vertical section of air inlet pipe (13) leads to the outside of first piston (2).

2. a kind of segmented sampler for air detection according to claim 1, it is characterised in that: the outer cylinder (1) lower surface offers three groups of threaded holes, and the outer surface upper end of sampler barrel (5) is provided with matched outer with threaded hole internal screw thread The upper end of screw thread, sampler barrel (5) is screwed onto threaded hole, and is connected to inside the upper end of sampler barrel (5) and outer cylinder (1).

3. a kind of segmented sampler for air detection according to claim 1, it is characterised in that: described second is living The lower surface of plug (6) offers threaded hole, and the upper surface of plectane (8) offers identical threaded hole, and two groups of threaded holes are connected to, the The outer surface of two pull rods (7) is provided with external screw thread, and the upper end of the second pull rod (7) passes through in second piston (6) and plectane (8) The heart, and be spirally connected fixation with second piston (6) and plectane (8).

4. a kind of segmented sampler for air detection according to claim 1, it is characterised in that: described second draws The upper end of bar (7) is fixed with detector (12) lower surface bonds, and the diameter of detector (12) is straight less than the second pull rod (7) The upper surface of diameter, the second pull rod (7) is concordant with the upper surface of plectane (8), and the lower end of the second pull rod (7) is integrally formed with disk.

5. a kind of segmented sampler for air detection according to claim 1, it is characterised in that: the sealing cap It (10) is lower end in the cylinder-like structure of opening, and the length of sealing cap (10) is less than between communicating pipe (11) upper and lower ends opening The outer surface of distance, sealing cap (10) is contacted with the opening of communicating pipe (11) upper end, and communicating pipe (11) is provided with two groups, in sampler barrel (5) outer surface is symmetrical set.

6. a kind of segmented sampler for air detection according to claim 1, it is characterised in that: the air inlet pipe (13) horizontal segment opening diameter is greater than the diameter of air inlet pipe (13), and the vertical section opening diameter of air inlet pipe (13) is less than air inlet The diameter of (13) is managed, the diameter of air inlet pipe (13) is less than the diameter of sampler barrel (5).