CN206235482U - Flange form multichannel samples gauge valve - Google Patents

Abstract

The utility model proposes a kind of flange form multichannel sampling gauge valve, it is mainly made up of valve body with the switch needle-valve and one group of sampling needle-valve for being fitted to valve body, and it is significantly structurally characterized in that：One group of branched hole for being connected with leadout hole from different directions, the outer row's interface of sampling are set in the valve body of flange form cylinder plate-like and the multichannel gauge structure of multi-point sampling is formed by sampling needle-valve is equipped with each branched hole aperture, both pressure detecting and the operation taken can separately be carried out in any point position, the sampling operation of multi-point can be synchronously carried out when pressure is detected again, the special process technology requirement of " higher to pressure detecting and the requirement of multidraw simultaneity " can be ideally met.The utility model has that compact conformation small volume, manufacturing cost are low, install occupy little space, can flexibly be sampled in different azimuth, sample synchronism is good, sampling operation safety, the outstanding advantages of long working life with collection for pressure detecting.

Description

Flange form multichannel samples gauge valve

Technical field

The utility model is related to gas-liquid medium sampling apparatus, specifically a kind of flange form multichannel sampling gauge valve, it It is particularly suitable for being installed on the operation that pressure detecting and multichannel sampling sampling are carried out on the pipeline of conveying gas-liquid medium.

Background technology

It is known that being all generally provided with the defeated delivery tube of all kinds of gases of storing or liquid medium in numerous production industries Road system, in order to ensure conveyance conduit equipment safety operation, administrative staff need all-sidedly and accurately to grasp to understand and convey gas Or the pressure of liquid medium, temperature dynamic parameter and physicochemical property technical indicator, more particularly to store and transport inflammable and explosive, dangerization The Special high-voltage container and pipe-line equipment of corrosivity gas-liquid medium, with greater need in strict accordance with " running special equipment rule of management " Technical requirements, send pipe-line equipment to carry out pinpoint pressure detection, temperature detection and timing sampling to high-pressure bottle and transmission ＆ distribution and detect Analysis physiochemical techniques index.To be objective, the mode of operation of this sampling of fixed place and time is more troublesome and with certain danger Property.The existing solution that generally uses is：The instrument and equipments such as pressure gauge, thermometer and sampler are directly fixedly installed in In container to be detected, defeated duct, although this method can be convenient to staff to pressure detecting, temperature detection and take The operation of sample, but, because pressure piping inevitably results from certain cavitation impact shock in operation process is conveyed Phenomenon, these instrumentations can reduce accuracy of detection because for a long time as the cavitation impact of pipe-line equipment is vibrated together, particularly When institute's pumped (conveying) medium is with corrosive gas-liquid medium, because the instrument such as sampler, pressure gauge, thermometer are to fix always Being installed on direct long term contact on pipe-line equipment has corrosive gas-liquid medium, can be to sampler, pressure gauge, thermometer instrument Device equipment causes serious corrosion-damaged and reduction of service life.In order to solve this problem, the present inventor it is proposed that one kind The utility model patent technology of entitled " Multifunctional pressure gauge valve "（CN202091525U）, it is mainly by valve body, bonnet, valve Cap, valve rod and it is connected to the flap of valve rod and constitutes, it is outer that valve body is provided with medium entrance hole, leadout hole and the sampling communicated with valve pocket Passage is let out, the connecting tube communicated with medium entrance hole is fitted with by loose joint nut on valve body, by connecting tube and appearance to be detected The operation of pressure detecting and sampling can be carried out after device or pipeline communication.Although this " Multifunctional pressure gauge valve " is produced at some Enterprise is ripe to use for many years and achieves preferable using effect, but, we are in research and development for a long time from gauge valve product and city Investigation in it has also been found that：It still suffers from actual use " installs floor space larger and will to sampling the installation site in direction Ask higher " and " connecting tube and xylometer to be checked, the connection troublesome poeration of pipeline " technical fault of construction, also, it is also not Can meet " while carry out pressure detecting and multi-channel sampling sampling " special process technology requirement, and have in actual use compared with Many manufacturing enterprises have to " synchronous detection pressure and sampling sampling while property " in technology code it is higher it is special will Ask.This exactly current stress table valve class product also need to further improve and perfect place, the utility model be just intended to after It is continuous to solve this technical task.

Utility model content

The purpose of this utility model is intended to overcome deficiencies of the prior art part, propose a kind of compact conformation, Installation occupies little space, sample orientation is flexibly limited small, sampling operation light and fast and can be while carrying out pressure detecting and sampling The flange form multichannel sampling gauge valve of operation.

The purpose of this utility model is achieved by the following technical solution：

A kind of flange form multichannel samples gauge valve, and it includes valve body, is fitted to the switch needle-valve and one group of sampling probe of valve body Valve, described switch needle-valve includes switch bonnet, pressure packing ring, gland nut, switch valve rod and is fixedly installed in switch valve rod The switch handwheel on top, switch bonnet is fitted to and valve pocket structure is formed in the screw of body top setting, in valve body import side Center is provided with input hole, and the entrance hole connected with valve pocket bottom centre position is provided with input hole, and described opens Close threaded stem connection and be fitted to switch bonnet, switch valve rod bottom sets the entrance hole aperture shape of switch nook closing member and valve pocket bottom Into sealing auxiliary structure is closed, in the leadout hole that valve pocket bottom side is provided with inclined hole and communicates with inclined hole, it is characterised in that：Go out in valve body Mouth side center is provided with delivery outlet and connects the intercommunicating pore of leadout hole, delivery outlet, and one is provided with the wall body of valve body The branched hole that group is communicated with leadout hole, described sampling needle-valve includes sampling bonnet, sampling nut, sampling valve rod and fixed installation In the sampling handwheel of sampling valve stem tip, sampling bonnet is fitted to and sampling cavity is formed in the screw of the branched hole port of export on valve body Structure, described sampling valve rod threaded connection is fitted to sampling bonnet, and sampling valve rod bottom sets sampling nook closing member and sampling cavity bottom The branched hole aperture in portion forms sampling sealing auxiliary structure, is provided with valve body outside the sampling connected with sampling cavity and arranges interface.It Be structurally characterized in that：One group of branched hole and and sampling cavity that leadout hole is connected from different sampling orientation is set in the wall body of valve body Interface is arranged outside the sampling of connection, sampling needle-valve is equipped with the port of export of each branched hole, you can formation can simultaneously carry out pressure inspection Survey the multipath sampling structure with multi-point sampling.Show by probation：There is compact conformation compact, installation to account for really for it With space it is small, sampling orientation neatly, can from different azimuth sampling operation by position limitation advantage, it can ideally meet The special technical requirement of " higher to pressure detecting and the requirement of multidraw simultaneity ".

The utility model also has following technical characteristic：

Interface center line is arranged outside the sampling set on valve body and is controlled to 45 ° -60 ° with the angle β of branch's centerline hole. This particularly convenient operation of taking that multi-faceted sampling is carried out in staff of the structure design for controlling angle to be 45 ° -60 °, it is right The smooth property of effluent stream for improving collection sample also has certain technical role.

The delivery outlet of valve outlet side is arranged to the thread pore structure being adapted with manometric connection screw head.This knot Structure design is particularly convenient to carry out pressure detection operation in fixing equipped pressure gauge in outlet aperture.It should be noted that：Also can be by Delivery outlet is arranged to the thread pore structure being adapted with the connection screw head of thermometer, only need to fix equipped thermometer in outlet aperture The operation of temperature detection can simultaneously be carried out.

Described valve body is flange form cylinder disk-like structure, and described switch needle-valve and one group of sampling needle-valve are uniformly equipped with In the outer round surface position of valve body.It is this particularly convenient in work in the cylindrical structure design for being uniformly arranged multi-faceted sample point of valve body Make personnel while carrying out the multi-point operation taken of sampling, with sampling orientation flexibly, sampling operation not by place limited it is excellent Point.

Switch nook closing member surface overlaying in switch valve rod bottom sets hard alloy layer.This structure design can be carried greatly The case hardness of height switch nook closing member, it resists airflow scouring ability, improves and close sealing property and then prolong to enhancing switch nook closing member Long service live has certain technique effect.

The sampling probe wicking surface built-up welding of sampling valve rod is provided with hard alloy layer.Similarly, this structure design also can pole The earth improves the case hardness of sampling nook closing member, to enhancing sampling nook closing member resistance airflow scouring ability, improves and closes sealing property There is certain technique effect.

The utility model compared with the existing technology has the following advantages that：

The utility model initiated it is a kind of can be while the flange form multichannel for carrying out pressure detecting and multi-point sampling operation takes Sample gauge valve, it is structurally characterized in that：One group is set in the valve body of flange form cylinder plate-like connect derivation from different directions The branched hole in hole, is equipped with sampling needle-valve and is correspondingly arranged the outer row's interface of sampling in each branched hole exit of valve body outer round surface The path structure of multi-point sampling is formed, it is particularly convenient to carry out taking sampling operation in multi-point in staff, both may be selected Any point position carries out taking operation, can carry out multi-point sampling operation while pressure detecting again, can ideally meet " to pressure Power detect with multidraw simultaneity requirement it is higher " special process technology requirement.Show by probation：The utility model is certain With compact conformation small volume, manufacturing cost is low, installation occupies little space, can flexibly be sampled in different azimuth, pressure is examined Survey and sampling operation is not by the outstanding advantages that position limitation, pressure detecting are good with collection sample synchronism, have well using preceding Scape.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model, and also make an abstract accompanying drawing.

Fig. 2 is A-A views of Fig. 1, is illustrated in valve body outer round surface and is uniformly equipped with switch needle-valve and one group of sampling needle-valve shape Into the hole line structure schematic diagram of multi-point sampling.

Fig. 3 is another embodiment of the present utility model, and the delivery outlet internal thread connection for being illustrated in valve outlet side is equipped Manometric mounting structure schematic diagram.

Fig. 4 is another embodiment of the present utility model, is illustrated in and seal plug is equipped with the delivery outlet of valve outlet side Structural representation.

Description of symbols in accompanying drawing：

1 is switch handwheel, and 2 is pressure packing ring, and 3 is switch nook closing member, and 4 is bolt, and 5 is entrance hole, and 6 is arrow, and 7 is input Pipe, 8 is high pressure steel wire sealing ring, and 9 is input hole, and 10 is valve body, and 11 is sampling cavity, and 12 is sampling nut, and 13 is sampling valve rod, 14 is sampling handwheel, and 15 is sampling nook closing member, and 16 is sampling bonnet, and 17 is a group of branches hole, and 18 is delivery outlet, and 19 is efferent duct, 20 is intercommunicating pore, and 21 is leadout hole, and 22 is inclined hole, and 23 is valve pocket, and 24 is high-pressure seal ring, and 25 is switch bonnet, and 26 is gland Nut, 27 is switch valve rod, and 28 is the outer row's interface of sampling, and 29 is sealing ring, and 30 is connection screw head, and 31 is pressure gauge, and 32 is close Block head.

Specific embodiment

Embodiment of the present utility model is further described below in conjunction with the accompanying drawings：

The utility model proposes a kind of flange form multichannel sample gauge valve, it mainly by flange form cylinder disk-like structure Valve body 10, the uniform switch needle-valve for being fitted to the outer round surface position of valve body 10 and one group of sampling needle-valve constitute.

Described switch needle-valve is by switch bonnet 25, pressure packing ring 2, gland nut 26, switch valve rod 27 and fixed installation Switch handwheel 1 in the top of switch valve rod 27 is constituted.Switch valve rod 27 is threadedly coupled and is fitted in the screw of switch bonnet 25, Airtight and watertight padding is press-fited by pressure packing ring 2 on switch bonnet 25 surface sealing feature is formed to switch valve rod 27, can effectively prevent from being situated between Matter is leaked out from the pole face of switch valve rod 27.Described switch bonnet 25 threaded connection is fitted to the spiral shell of the outer circular top part of valve body 10 The structure of valve pocket 23 is formed in hole, equipped high-pressure seal ring 24 can improve the sealing to valve pocket 23 in the lower surface of switch bonnet 25 Energy.The import side center of valve body 10 is provided with input hole 9, is provided with input hole 9 and the bottom centre of valve pocket 23 position The entrance hole 5 of connection is put, the bottom of switch valve rod 27 is provided with switch nook closing member 3 and the bottom of valve pocket 23 of surface overlaying hard alloy layer The aperture of entrance hole 5 in portion is formed closes sealing auxiliary structure.The bottom side of valve pocket 23 be provided with inclined hole 22 and with leading that inclined hole 22 is communicated Portal 21, the outlet side center of valve body 10 is provided with delivery outlet 18 and the connection of leadout hole 21, delivery outlet 18 is connected Hole 20, is provided with the Kong Lujie that one group of branched hole 17 communicated with leadout hole 21 forms multi-point sampling in the wall body of valve body 10 Structure.Described sampling needle-valve is by sampling bonnet 16, sampling nut 12, sampling valve rod 13 and is fixedly installed in sampling valve rod 13 top Sampling handwheel 14 constitute, sampling bonnet 16 be fitted to valve body 10 it is cylindrical on the port of export of branched hole 17 screw in formed sampling The structure of chamber 11, is provided with the outer round surface of valve body 10 and interface 28 is arranged outside the sampling connected with sampling cavity 11.In actual production manufacture When, it is 50 ° with the angle β of the center line of branched hole 17 to control the outer row's center line of interface 28 of sampling, and this angle structure design is to changing The smooth performance of effluent stream of kind collection sample has certain technique effect.The described threaded connection of sampling valve rod 13 is fitted to sampling valve Lid 16, sampling bonnet 16 on by sampling nut 12 press-fit airtight and watertight padding to sampling valve rod 13 form surface sealing feature, can have Effect prevents medium from being leaked out from the sampling pole face of valve rod 13.In sampling valve rod 13 bottom, surface overlaying hard alloy layer is set Sampling nook closing member 15, sampling nook closing member 15 forms sampling sealing auxiliary structure with the aperture of branched hole 17 of the bottom of sampling cavity 11.

The utility model is performed such installation exercise：Switch handwheel 1, sampling handwheel are rotated in the clockwise direction first 14 will switch needle-valve and one group of sampling needle-valve Close All, and completely closed state is in flange form multichannel sampling gauge valve Under, in the both ends of the surface setting-in high pressure steel wire sealing ring 8 of valve body 10, then installation input pipe 7, output are fixedly connected with one group of bolt 4 Pipe 19, by conscientiously check it is errorless after, in the counterclockwise direction slowly rotating switch handwheel 1 can drive switch valve rod 27 upwards move Dynamic to open switch needle-valve, medium will be as shown in arrow 6, and valve pocket 23 is entered through input hole 9, entrance hole 5 from input pipe 7, then through oblique Hole 22, leadout hole 21, intercommunicating pore 20 to delivery outlet 18, finally transport to downstream pipeline section by efferent duct 19.

Embodiment one：When needing to detect the pressure of institute's pumped (conveying) medium, standard pressure gauge need to be only fixedly connected and be installed on In the outer row's interface 28 of any one sampling that the outer round surface of valve body 10 is set, then slowly rotate and arranged corresponding to interface 28 outside the sampling Sample the sampling handwheel 14 of needle-valve, you can the medium in leadout hole 21 is caused into the outer row of sampling through branched hole 17, sampling cavity 11 and is connect Mouth 28 simultaneously acts on pressure gauge, you can by the pressure value of pressure gauge display institute pumped (conveying) medium.After pressure detecting is finished, reversely turn Dynamic sampling handwheel 14 closes sampling needle-valve, then dismantles taking-up pressure gauge.

Embodiment two：When needing to detect the temperature of institute's pumped (conveying) medium, standard thermometer need to be only fixedly connected and be installed on In the outer row's interface 28 of any one sampling that the outer round surface of valve body 10 is set, then operated as described in embodiment one, similarly, i.e., Can be by the temperature value of thermometer display institute pumped (conveying) medium.

Embodiment three：When needing to detect pressure, the temperature of institute's pumped (conveying) medium simultaneously, only need to be by standard pressure gauge, temperature Meter is respectively fixedly connected with any outer row's interface 28 of two samplings for being installed on the setting of the outer round surface of valve body 10, then by embodiment one It is described to be operated, similarly, you can show pressure value, the temperature value of institute's pumped (conveying) medium respectively by pressure gauge, thermometer.If also Need simultaneously collection medium sample when, can will contain sample bottle sampling tube head be fixedly connected be installed on the outer round surface of valve body 10 set In the 3rd outer row's interface 28 of sampling, then operated as described in above-described embodiment, similarly, you can pumped (conveying) medium is being pressed The sampling operation of dielectric sample is synchronously acquired when power detection, temperature detection.

Example IV：The operation of pressure detecting and sampling is carried out to high-pressure bottle

The delivery outlet 18 of the port of export of valve body 10 can be also arranged to this practical valve body the phase of connection screw head 30 with pressure gauge 31 The thread pore structure of adaptation, this structure design is particularly well-suited to carry out high-pressure bottle the operation of pressure detecting and sampling.It It is to carry out operation as follows：The output pipe valve whole of gauge valve and high-pressure bottle to be measured is sampled in flange form multichannel It is closed down, the import side of valve body 10 is fixedly connected on the efferent duct of high-pressure bottle, in the outlet side of valve body 10 Sealing ring 29 is equipped with delivery outlet 18 and is fixedly connected installation pressure gauge 31 or thermometer again, it is errorless on inspection after, open successively high The output pipe valve and flange form multichannel of pressure vessel sample the switch needle-valve of gauge valve, and medium will be as shown in arrow 6, from high-pressure bottle Efferent duct be directed into delivery outlet 18 through input hole 9, entrance hole 5, valve pocket 23, then by inclined hole 22, leadout hole 21, intercommunicating pore 20 And act on pressure gauge 31 or thermometer, you can shown on pressure gauge 31 or thermometer the pressure value of medium in high-pressure bottle, Temperature value, if also needing to gather the dielectric sample in high-pressure bottle simultaneously, the collection tube head that can will contain sample bottle is fixedly connected peace Arranged in interface 28 outside the sampling set loaded on the outer round surface of valve body 10, proceed as described above same operation, you can to high-pressure bottle The operation of pressure detecting, temperature detection and sample collection is carried out simultaneously.

Certainly, seal plug 32 can be also fixedly mounted at the delivery outlet 18 of the port of export of valve body 10, you can by seal plug 32 pairs of delivery outlets 18 are tightly blocked, then are equally operated by above-mentioned real mode, similarly, also high-pressure bottle can be entered simultaneously The operation of row pressure detecting, temperature detection and sample collection.

So far, you can ideally realize that the utility model can individually detect the pressure of medium in high-pressure bottle or conveyance conduit Power, temperature, can simultaneously carry out the goal of the invention of pressure and temp detection and sampling sampling operation again.

It can further be stated that：The utility model in actual use, the instrument such as pressure gauge, thermometer and sampler Device only carrying out detection and be just installed on valve body during sampling operation to be contacted with medium, i other words, medium and pressure gauge, temperature The time of contact of meter and sampler is very short, and corrosive effect effect of the medium to pressure gauge, thermometer and sampler is little.It is special It is not that, when actual production is manufactured, also can select the stainless steel material with high decay resistance to make, this is to further Improving decay resistance has obvious technique effect, therefore, the utility model proposes flange form multichannel sampling gauge valve it is special It is not adapted to be installed and used on the container and conveyance conduit of storing hazardous chemical corrosivity gas-liquid medium.

Claims (6)

1. a kind of flange form multichannel samples gauge valve, and it includes valve body（10）, be fitted to valve body（10）Switch needle-valve and one group Sampling needle-valve, described switch needle-valve includes switch bonnet（25）, pressure packing ring（2）, gland nut（26）, switch valve rod（27） Be fixedly installed in switch valve rod（27）The switch handwheel on top（1）, switch bonnet（25）It is fitted to valve body（10）Top is set Screw in formed valve pocket（23）Structure, in valve body（10）Import side center is provided with input hole（9）, in input hole （9）On be provided with and valve pocket（23）The entrance hole of bottom centre position connection（5）, described switch valve rod（27）Threaded connection is matched somebody with somebody Loaded on switch bonnet（25）, switch valve rod（27）Bottom sets switch nook closing member（3）With valve pocket（23）The entrance hole of bottom（5）Aperture Formed and close sealing auxiliary structure, in valve pocket（23）Bottom side is provided with inclined hole（22）And with inclined hole（22）The leadout hole for communicating（21）, It is characterized in that：In valve body（10）Outlet side center is provided with delivery outlet（18）With connect leadout hole（21）, delivery outlet （18）Intercommunicating pore（20）, in valve body（10）Wall body in be provided with one group and leadout hole（21）The branched hole for communicating（17）, institute The sampling needle-valve stated includes sampling bonnet（16）, sampling nut（12）, sampling valve rod（13）Be fixedly installed in sampling valve rod （13）The sampling handwheel on top（14）, sample bonnet（16）It is fitted to valve body（10）On branched hole（17）In the screw of the port of export Form sampling cavity（11）Structure, described sampling valve rod（13）Threaded connection is fitted to sampling bonnet（16）, sample valve rod（13） Bottom sets sampling nook closing member（15）With sampling cavity（11）The branched hole of bottom（17）Aperture forms sampling sealing auxiliary structure, in valve body （10）On be provided with and sampling cavity（11）Interface is arranged outside the sampling of connection（28）.

2. flange form multichannel according to claim 1 samples gauge valve, it is characterised in that：In valve body（10）Upper setting takes Interface is arranged outside sample（28）Center line and branched hole（17）The angle of center line（β）It is controlled to 45 ° -60 °.

3. flange form multichannel according to claim 1 and 2 samples gauge valve, it is characterised in that：Valve body（10）Outlet side Delivery outlet（18）It is arranged to and pressure gauge（31）Connection screw head（30）The thread pore structure being adapted.

4. flange form multichannel according to claim 1 and 2 samples gauge valve, it is characterised in that：Described valve body（10）For Flange form cylinder disk-like structure, described switch needle-valve and one group of sampling needle-valve are uniformly fitted to valve body（10）Outer round surface Position.

5. flange form multichannel according to claim 1 and 2 samples gauge valve, it is characterised in that：In switch valve rod（27）Bottom The switch nook closing member at end（3）Surface overlaying sets hard alloy layer.

6. flange form multichannel according to claim 1 and 2 samples gauge valve, it is characterised in that：In sampling valve rod（13）'s Sampling nook closing member（15）Surface overlaying is provided with hard alloy layer.