CN207751972U - A kind of analysis vacuum extractor in cylinder treatment system - Google Patents

Abstract

The utility model is related to a kind of analysis vacuum extractors in cylinder treatment system, it is characterised in that：Including expansion box, the side of expansion box is communicated with air inlet pipe, and side of the expansion box far from air inlet pipe is communicated with escape pipe, and escape pipe is set to expansion box close to the side of bottom, and the one end of escape pipe far from expansion box is connected with aspiration pump；The side inner wall of expansion box is equipped with detector, the top of expansion box is equipped with through-hole, through hole slidably connects measurement axis, the side wall that expansion box is connected to escape pipe has a cavity, slidably connects gas barrier in cavity, expansion box is pierced by the top of gas barrier, the top of gas barrier is connect by fixed plate with the top for measuring axis, the top end surface of expansion box extends downwardly fluted, and the slot bottom of groove is connected with compressed spring, and the other end of compressed spring and the bottom of fixed plate connect；The height for measuring the height of axis, the height of gas barrier and compressed spring is equal；The beneficial effects of the utility model：Resource utilization, accuracy of detection are high.

Description

A kind of analysis vacuum extractor in cylinder treatment system

Technical field

The utility model is related to gas analysis arrangement technical field, more particularly to a kind of point in cylinder treatment system Analyse vacuum extractor.

Background technology

During industrial process gases, it is often necessary to be detected to gas, to determine the gas produced Whether meet the requirements.

Analytical equipment refers to a kind of device that analysis can be detected to gas, in prepared by the production of gas, master It is used in cylinder treatment system, during detection, first, to be first filled with detected gas by its in analytical equipment The discharge of his gas, then is continuing to be passed through detected gas, when detected gas can be to the gas that is detected full of rear time It is analyzed；But there are following disadvantages for this method：One, due to needing to be passed through detected gas by analytical equipment The shortcomings that interior remaining gas cements out, and wastes a large amount of detected gas, therefore there is waste of resource；Two, it can not protect Whether there is or not emptyings for remaining gas in card analytical equipment, and to influence subsequent detecting step, therefore there is also analysis structure is not smart True disadvantage.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind in cylinder treatment system Analysis vacuum extractor, it is intended to solve the problem in above-mentioned background technology.

What the technical solution of the utility model was realized in：A kind of analysis vacuum means in cylinder treatment system It sets, it is characterised in that：Include the expansion box of hollow setting, the side of expansion box is communicated with air inlet pipe, and air inlet pipe is equipped with control Valve, side of the expansion box far from air inlet pipe are communicated with escape pipe, and escape pipe is set to side of the expansion box close to bottom, outlet The one end of pipe far from expansion box is connected with aspiration pump；The side inner wall of the expansion box is equipped with detector, is set at the top of expansion box There are through-hole, through hole to slidably connect measurement axis, there is the side wall that expansion box is connected to escape pipe a cavity, the interior sliding of cavity to connect Be connected to gas barrier compatible with the cavity, be pierced by expansion box at the top of gas barrier, the top of gas barrier by fixed plate with It measures and is fixedly connected at the top of axis, the top end surface of expansion box extends downwardly fluted, and the slot bottom of groove is fixedly connected with compression Spring, the other end of the compressed spring are fixedly connected with the bottom end face of fixed plate；Measure height, the height of gas barrier of axis It is set as equal with the height of compressed spring.

By using above-mentioned technical proposal：Gas barrier, the cooperation for measuring axis and fixed plate, it of gas is exhausted in aspiration pump Afterwards, gas barrier meeting slide downward blocks escape pipe and then the air inlet into expansion box by air inlet pipe to block escape pipe, It is used for replacing the miscellaneous gas in expansion box to avoid passing through detected gas, and then improves the utilization rate of resource, and passes through survey Amount axis may determine that the miscellaneous gas in expansion box is clean whether there is or not excluding, to improve the precision of detection；In more detail：When need When pouring into gas into expansion box, first, first passes through driving aspiration pump and detach the gas in expansion box, when in expansion box After gas has been pulled out, due to being vacuum in expansion box, external atmosphere pressure, which provides, measures axis and gas barrier pressure so that surveys Amount axis and gas barrier are moved into expansion box, since the height for measuring axis, gas barrier and expansion box is equal, are not had completely when measuring axis When entering in expansion box, then represents the gas in expansion box and be excluded totally, isolation board blocks escape pipe at this time so that escape pipe is not Outlet again, by opening control valve, detected gas is poured into expansion box after the air in expansion box is pulled out Body without being gone gas displacement, the discharge in expansion box by using detected gas, and then improves the utilization of resources While rate, the precision of the detection also improved；It should be noted that：When the gas in expansion box is often pulled out a part, External atmosphere pressure, which will be supplied to, measures axis and gas barrier pressure, and compressed spring is given by fixed plate and measures axis and isolation The reversed power of plate, prevents the air pressure in expansion box too small, avoids measuring axis and isolation board declines rapidly and blocks escape pipe, To ensure that pumping process normally carries out.

The utility model is further arranged to：The bottom end face of the gas barrier is equipped with gasket.

Preferably：Sealing ring is equipped in the through-hole.

Preferably：The gas barrier and the junction of expansion box top end surface are equipped with sealing ring.

By using above-mentioned technical proposal：By sealing ring in the gasket of gas barrier bottom, through-hole and gas barrier with The sealing ring of expansion box top end surface junction setting, can improve the leakproofness of expansion box, ensure being normally carried out for pumping, prevent Only outside air enters in expansion box, and then the further accuracy for improving detection.

In summary：The utility model has the advantages that the utilization of resources is high, detection progress is high.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, other drawings may also be obtained based on these drawings.

Fig. 1 is structural schematic diagram when specific embodiment of the present invention is evacuated；

Structural schematic diagram when Fig. 2 is specific embodiment of the present invention air inlet.

Specific implementation mode

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 creative efforts The every other embodiment obtained, shall fall within the protection scope of the present invention.

As shown in Fig. 1 ~ Fig. 2, the utility model discloses a kind of analysis vacuum extractor in cylinder treatment system, In the utility model specific embodiment, including the expansion box 1 of hollow setting, the side of expansion box 1 is communicated with air inlet pipe 11, into Tracheae 11 is equipped with control valve 111, and side of the expansion box 1 far from air inlet pipe 11 is communicated with escape pipe 12, and escape pipe 12 is arranged In expansion box 1 close to the side of bottom, the one end of escape pipe 12 far from expansion box 1 is connected with aspiration pump 2；The expansion box 1 Side inner wall is equipped with detector 3, and the top of expansion box 1 is equipped with through-hole 4, is slidably connected at through-hole 4 and measure axis 41, expansion box 1 The side wall being connected to escape pipe 12 has a cavity 5, and gas barrier 51 compatible with the cavity 5 is slidably connected in cavity 5, The top of gas barrier 51 is pierced by expansion box 1, and the top of gas barrier 51 is fixedly connected by fixed plate 6 with the top for measuring axis 41, The top end surface of expansion box 1 extends downwardly fluted 7, and the slot bottom of groove 7 is fixedly connected with compressed spring 71, the compressed spring 71 other end is fixedly connected with the bottom end face of fixed plate 6；Measure height, the height and compressed spring of gas barrier 51 of axis 41 71 height is set as equal.

By using above-mentioned technical proposal：Gas barrier 51, the cooperation for measuring axis 41 and fixed plate 6, gas is exhausted in aspiration pump 2 After, gas barrier 51 can slide downward, to block escape pipe 12, block escape pipe 12 and then by air inlet pipe 11 to Air inlet in expansion box 1 is used for replacing the miscellaneous gas in expansion box 1 to avoid passing through detected gas, and then improves the profit of resource With rate, and by measuring axis 41 it may determine that the miscellaneous gas in expansion box 1 is clean whether there is or not excluding, to improve the accurate of detection Degree；In more detail：When needing to pour into gas into expansion box 1, first, first passing through driving aspiration pump 2 will be in expansion box 1 Gas detaches, after the gas in expansion box 1 has been pulled out, due to being vacuum, external atmosphere pressure offer survey in expansion box 1 Measure axis 41 and 51 pressure of gas barrier so that measure axis 41 and gas barrier 51 is moved into expansion box 1, due to measuring axis 41, trapping Plate 51 is equal with the height of expansion box 1, when measurement axis 41 is submerged completely in expansion box 1, then represents the gas quilt in expansion box 1 It excludes totally, isolation board 51 blocks escape pipe 12 at this time so that the no longer outlet of escape pipe 12, when the air in expansion box 1 is taken out From later, by opening control valve 111, detected gas is poured into expansion box 1, without by using tested The gas of survey goes the detection also improved by gas displacement, the discharge in expansion box 1, and then while raising resource utilization Precision；It should be noted that：When the gas in expansion box 1 is often pulled out a part, external atmosphere pressure will be supplied to survey Measure axis 41 and 51 pressure of gas barrier, and compressed spring 71 is given by fixed plate 6 and measures axis 41 and the reversed power of isolation board 51, It prevents the air pressure in expansion box 1 too small, avoids measuring axis 41 and isolation board 51 declines rapidly and blocks escape pipe 12, to Ensure that pumping process normally carries out.

In the utility model specific embodiment, the bottom end face of the gas barrier 51 is equipped with gasket 511.

In the utility model specific embodiment, sealing ring 411 is equipped in the through-hole 4.

In the utility model specific embodiment, the junction of the gas barrier 51 and 1 top end surface of expansion box is equipped with close Seal 512.

By using above-mentioned technical proposal：Pass through 411 and of sealing ring in the gasket 511 of 51 bottom of gas barrier, through-hole 4 The sealing ring 512 of gas barrier 51 and the setting of 1 top end surface junction of expansion box, can improve the leakproofness of expansion box 1, ensure to take out Gas is normally carried out, and prevents outside air from entering in expansion box 1, and then the further accuracy for improving detection.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims (4)

1. a kind of analysis vacuum extractor in cylinder treatment system, it is characterised in that：Include the expansion box of hollow setting, The side of expansion box is communicated with air inlet pipe, and air inlet pipe is equipped with control valve, and side of the expansion box far from air inlet pipe is communicated with out Tracheae, escape pipe are set to side of the expansion box close to bottom, and the one end of escape pipe far from expansion box is connected with aspiration pump；It is described The side inner wall of expansion box is equipped with detector, and the top of expansion box is equipped with through-hole, and through hole slidably connects measurement axis, expansion box The side wall being connected to escape pipe has a cavity, and gas barrier compatible with the cavity, gas barrier are slidably connected in cavity Top be pierced by expansion box, the top of gas barrier is fixedly connected by fixed plate and measuring at the top of axis, the top end of expansion box Extend downwards fluted, the slot bottom of groove is fixedly connected with compressed spring, the other end of the compressed spring and fixed plate Bottom end face is fixedly connected；The height for measuring the height of axis, the height of gas barrier and compressed spring is set as equal.

2. a kind of analysis vacuum extractor in cylinder treatment system according to claim 1, it is characterised in that：Institute The bottom end face for stating gas barrier is equipped with gasket.

3. a kind of analysis vacuum extractor in cylinder treatment system according to claim 1, it is characterised in that：Institute It states and is equipped with sealing ring in through-hole.

4. a kind of analysis vacuum extractor in cylinder treatment system according to claim 1, it is characterised in that：Institute It states gas barrier and the junction of expansion box top end surface is equipped with sealing ring.