CN209707204U

CN209707204U - Gas sampling assembly

Info

Publication number: CN209707204U
Application number: CN201920511194.XU
Authority: CN
Inventors: 丁杭英
Original assignee: Jiangsu Zhongtai Inspection & Inspection Co Ltd
Current assignee: Jiangsu Zhongtai Inspection & Inspection Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2019-11-29
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses gas sampling assemblies, including crust of the device, downside inside crust of the device offers gas collecting chamber, and the top of crust of the device offers floating air valve containing cavities, the right side wall of crust of the device offers air inlet, venthole is offered in the middle part of floating air valve, and the lower right side of floating air valve offers arc groove, the lower left side of venthole is hinged with sealing plate, when staff uses the device, the device of quantity will can be needed to finish up before sampling to be connected, the air inlet alignment gas source of front end is then started into vacuum pump, plural side sample collection can be completed, solve the problems, such as that staff will waste a large amount of time and go to replace specimen bottle repeatedly, the multisample acquisition of single gas source can be completed in the switch and position check and correction that pass through a sampling gun simultaneously, save the time of check sampling rifle repeatedly, raising is adopted The efficiency of sample.

Description

Gas sampling assembly

Technical field

The utility model relates to hydraulic engineering technical fields, specially gas sampling assembly.

Background technique

With the exacerbation of environmental pollution, the environmental consciousness of people is being forced to enhance, and the environmental protection organization of world community is increasingly Focus on detecting the test sample of ambient air quality, whether completely test sample, which detects it, especially is carried out to tail gas caused by industrial production The standard discharged enough, common detection device are sampling guns, but for it is some need to collect more parts of samples take back laboratory carry out Data analysis sample, can only carry out by bottle sample, such staff to waste a large amount of time go replacement specimen bottle, simultaneously Replacement specimen bottle requires to pay the position of clock switch check sampling rifle every time.

Utility model content

The purpose of this utility model is to provide gas sampling assemblies, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: gas sampling assembly, including crust of the device, Gas collecting chamber is offered on the downside of described device interior of shell, and the top of crust of the device offers floating air valve containing cavities, The right side wall of described device shell offers air inlet, and the left side wall of crust of the device offers bleeding point, the gas collecting The internal slide of chamber and floating air valve containing cavities is connected with floating air valve, offers venthole in the middle part of the floating air valve, and The lower right side of floating air valve offers arc groove, and the lower left side of the venthole is hinged with sealing plate, the outside of the bleeding point It is bolted with sealing cover, and the right end of bleeding point lower wall offers sealing plate caulking groove, the floating air valve containing cavities and sealing plate Caulking groove, which is connected, is connected with the gas circuit being opened in crust of the device, is bolted with connecting tube on the right side of the air inlet.

Preferably, the outside of arc groove inner sidewall lower end is welded integrally formed with fixed ring, the inside of the fixed ring It is connected to the vent plug being located inside arc groove, the central integration of the gas collecting chamber right side wall has on the upside of arc groove Embedded block offers air hole in the middle part of the embedded block.

Preferably, the inner sidewall of the gas collecting chamber and floating air valve containing cavities offers sliding slot, the floating air valve Front-rear side walls be welded with the baffle being slidably connected in sliding slot.

Preferably, the top of the sealing plate left side wall is integrally formed with gas circuit plug.

Preferably, the upper and lower ends of the floating air valve lateral wall are fixedly installed with sealing ring.

Preferably, the air inlet is identical with the bore of bleeding point, and air inlet and bleeding point are located at same level.

Compared with prior art, the utility model has the beneficial effects that gas sampling assembly, staff uses the device When, the device of quantity will can be needed to finish up before sampling and be connected, the air inlet alignment gas source of front end is then started into vacuum Pump, can be completed plural side sample collection, solves staff and to waste a large amount of time and goes to replace asking for specimen bottle repeatedly Topic, while the multisample acquisition of single gas source can be completed by the switch of sampling gun and position check and correction, it saves repeatedly The time of check sampling rifle improves the efficiency of sampling.

Detailed description of the invention

Fig. 1 is that the main view of the utility model cuts open figure；

Fig. 2 is the enlarged drawing in Fig. 1 at a；

Fig. 3 is the floating air valve structure schematic diagram of the utility model.

In figure: 1 crust of the device, 2 gas collecting chambers, 3 floating air valve containing cavities, 4 air inlets, 5 bleeding points, 6 connecting tubes, 7 Sealing cover, 8 floating air valves, 9 ventholes, 10 sealing plates, 11 gas circuit plugs, 12 sealing plate caulking grooves, 13 gas circuits, 14 sealing rings, 15 arcs Shape slot, 16 embedded blocks, 17 air holes, 18 fixed rings, 19 vent plugs, 20 baffles, 21 sliding slots.

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.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: gas sampling assembly, including crust of the device 1, dress It sets the downside inside shell 1 and offers gas collecting chamber 2, and the top of crust of the device 1 offers floating air valve containing cavities 3, fill The right side wall for setting shell 1 offers air inlet 4, and the left side wall of crust of the device 1 offers bleeding point 5, gas collecting chamber 2 and floating The internal slide of valve containing cavities 3 of taking offence is connected with floating air valve 8, and the middle part of floating air valve 8 offers venthole 9, and floating gas The lower right side of valve 8 offers arc groove 15, and the lower left side of venthole 9 is hinged with sealing plate 10, and the outside of bleeding point 5 is bolted with close Capping 7, and the right end of 5 lower wall of bleeding point offers sealing plate caulking groove 12, floating air valve containing cavities 3 and 12 phase of sealing plate caulking groove It is communicated with the gas circuit 13 being opened in crust of the device 1, the right side of air inlet 4 is bolted with connecting tube 6, when being sampled, The vacuum pump of sampling is connected on bleeding point 5 by outer tube, after completing sampling, device should keep placing vertically, avoid turning over Sealing plate 10 is caused to tilt, sealing plate 10 is identical as 12 size of sealing plate caulking groove, when floating air valve 8 rises to highest point, Sealing plate 10, which can drop, to be embedded into sealing plate caulking groove 12, and magnetite can be assembled between sealing plate 10 and sealing plate caulking groove 12 to consolidate Sealing effect is preferred the matched sealing cover 7 of size after completion sampling and also shuts air inlet 4, floating air valve 8 is avoided to occur Gas leakage when blocking imprecise situation, in acquisition cavity 2.

Specifically, the outside of 15 inner sidewall lower end of arc groove, integrally formed with fixed ring 18, the inside of fixed ring 18 is welded It is connected to the vent plug 19 being located inside arc groove 15, the central integration of 2 right side wall of gas collecting chamber has on arc groove 15 The embedded block 16 of side, the middle part of embedded block 16 offer air hole 17.

Specifically, the inner sidewall of gas collecting chamber 2 and floating air valve containing cavities 3 offers sliding slot 21, floating air valve 8 Front-rear side walls are welded with the baffle 20 being slidably connected in sliding slot 21.

Specifically, the top of 10 left side wall of sealing plate is integrally formed with gas circuit plug 11.

Specifically, the upper and lower ends of 8 lateral wall of floating air valve are fixedly installed with sealing ring 14.

Specifically, air inlet 4 is identical with the bore of bleeding point 5, and air inlet 4 and bleeding point 5 are located at same level.

Working principle: when the utility model is used, staff can be by connecting tube 6 by the air inlet of multiple devices Mouth 4 and bleeding point 5 are said to string to connect, and vacuum pump is then assembled at last device bleeding point 5, starts vacuum Gas enters from air inlet 4 after pump, and the sampling cavity near gas source location means being filled at first, vacuum pump passes through gas circuit Suction is generated to the upper end of floating air valve 8, forces floating air valve 8 to pull upwardly in sampling cavity 2, gas is being passed through into arc groove In 15 sucking sampling cavities 2, until floating air valve 8 rises to highest point, while gas circuit 13 is shut, sealing plate 10 is no longer adopted The support of 2 side wall of sample chamber, overturns to the left under the action of suction, and venthole 9 is open, and gas starts to be filled with second equipment Sampling cavity 2 acquires more bottles of samples with this simultaneously；When staff uses the device, the dress of quantity will can be needed before sampling It sets ending to be connected, the air inlet alignment gas source of front end is then started into vacuum pump, plural side sample collection can be completed, solve Staff will waste a large amount of time and go the problem of replacing specimen bottle repeatedly, while pass through the switch of sampling gun and position Setting check and correction can be completed the multisample acquisition of single gas source, saves the time of check sampling rifle repeatedly, improves the efficiency of sampling.

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. gas sampling assembly, including crust of the device (1), it is characterised in that: the internal downside of described device shell (1) offers Gas collecting chamber (2), and the top of crust of the device (1) offers floating air valve containing cavities (3), the right side of described device shell (1) Side wall offers air inlet (4), and the left side wall of crust of the device (1) offers bleeding point (5), the gas collecting chamber (2) and The internal slide of floating air valve containing cavities (3) is connected with floating air valve (8), offers ventilation in the middle part of the floating air valve (8) Hole (9), and the lower right side of floating air valve (8) offers arc groove (15), the lower left side of the venthole (9) is hinged with sealing plate (10), the outside of the bleeding point (5) is bolted with sealing cover (7), and to offer sealing plate embedding for the right end of bleeding point (5) lower wall Slot (12), the floating air valve containing cavities (3) are connected the gas circuit for being connected with and being opened in crust of the device (1) with sealing plate caulking groove (12) (13), connecting tube (6) are bolted on the right side of the air inlet (4).

2. gas sampling assembly according to claim 1, it is characterised in that: outside arc groove (15) the inner sidewall lower end Integrally formed with fixed ring (18), the interior welds of the fixed ring (18) have the vent plug internal positioned at arc groove (15) for side (19), the central integration of gas collecting chamber (2) right side wall has the embedded block (16) on the upside of arc groove (15), institute It states and offers air hole (17) in the middle part of embedded block (16).

3. gas sampling assembly according to claim 1, it is characterised in that: the gas collecting chamber (2) and floating air valve The inner sidewall of containing cavities (3) offers sliding slot (21), and the front-rear side walls of the floating air valve (8), which are welded with, is slidably connected to sliding slot (21) baffle (20) in.

4. gas sampling assembly according to claim 1, it is characterised in that: the top one of sealing plate (10) left side wall It is body formed to have gas circuit plug (11).

5. gas sampling assembly according to claim 1, it is characterised in that: above and below floating air valve (8) lateral wall Both ends are fixedly installed with sealing ring (14).

6. gas sampling assembly according to claim 1, it is characterised in that: the mouth of the air inlet (4) and bleeding point (5) Diameter is identical, and air inlet (4) and bleeding point (5) are located at same level.