CN212586332U

CN212586332U - Valve terminal structure

Info

Publication number: CN212586332U
Application number: CN202021242972.9U
Authority: CN
Inventors: 邢德立; 张若思; 任会涛
Original assignee: Kaloon Analytical Instruments Co ltd
Current assignee: Kaloon Analytical Instruments Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-23
Anticipated expiration: 2030-06-30

Abstract

The application provides a valve island structure, which comprises a valve body, wherein a first air passage and a plurality of second air passages are arranged in the valve body; the valve body surface be provided with many second air flue one-to-one a plurality of first air inlets and a plurality of first gas outlet, first air flue intercommunication has and is located a gas sample connection and at least one second air inlet on valve body surface are a plurality of first gas outlet all is connected with the control valve, and is a plurality of the control valve passes through at least one the second air inlet with first air flue is connected, and during operation, the gas sample connection is put through to the analysis appearance, and the air supply of different sample gases is put through respectively to a plurality of first air inlets, notifies the break-make of each gas circuit through the control valve to realize the detection to different gas, can reduce the joint quantity of gas circuit spare and the length of pipe fitting through this method, thereby reduce the probability of gas leakage, improve the switching speed of gas circuit, have stronger practicality.

Description

Valve terminal structure

Technical Field

The invention relates to the field of gas analysis and measurement instruments, in particular to a valve island structure.

Background

When recording gas measurement analysis more in the gas analysis, need use a many gas circuits optional equipment, for an analytical equipment provides the gas circuit and switches, the multichannel selection valve of mechanical type commonly used at present, come with many air passages intercommunication through two-way, the tee bend, pneumatic valve or solenoid valve, form the function that many gas circuits selected the intercommunication, but this kind of mode pipe fitting is in large quantity, the interface is more, latent leak point is just more, lead to the fault rate high and reaction rate slower, the performance is relatively poor.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a conductive block protection device and an electroplating apparatus.

In a first aspect, the application provides a valve island structure, which comprises a valve body, wherein a first air passage and a plurality of second air passages are arranged in the valve body; the valve body surface be provided with a plurality of first air inlets and a plurality of first gas outlet of many second air flues one-to-one, first air flue intercommunication has and is located a gas sample connection and at least one second air inlet on valve body surface are a plurality of first gas outlet all is connected with the control valve, and is a plurality of the control valve is through at least one the second air inlet with first air flue is connected.

Furthermore, the second air inlet is provided with a plurality of, and is a plurality of the second air inlet sets up with a plurality of first gas outlet one-to-one, the inlet end of control valve with first gas outlet is connected, the end of giving vent to anger of control valve with the second air inlet is connected.

Further, the valve body surface still is provided with a plurality of control valve mounting grooves, and every all be provided with one on the bottom surface of control valve mounting groove first gas outlet and one the second air inlet.

Further, the control valve mounting groove is a circular groove, and the circular groove and the second air inlet are coaxially arranged.

Further, the valve body is the cuboid, and is a plurality of first gas outlet is followed valve body length direction arranges and sets up the first face of valve body, and is a plurality of first air inlet is followed the length direction of valve body arranges and sets up with the one side that first face is adjacent.

Further, the plurality of second air passages are arranged in parallel, and the first air passages are arranged along the arrangement direction of the plurality of second air passages.

Further, the surface of the valve body is also provided with a plurality of pressure relief ports, and the pressure relief ports are communicated with the second air passages in a one-to-one correspondence manner.

Further, a plurality of the pressure relief openings are arranged on one side of the first air inlet in a back-to-back mode.

Furthermore, a plurality of air pressure meter mounting holes are further formed in the valve body, and the air pressure meter mounting holes are communicated with the pressure relief ports in a one-to-one correspondence mode.

Furthermore, a plurality of barometer mounting holes and a plurality of first gas outlet homonymy set up.

Advantageous effects

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is a schematic front view of an embodiment of the present invention;

fig. 3 is a schematic top view of an embodiment of the present invention;

fig. 4 is a schematic side view of an embodiment of the invention;

fig. 5 is a schematic cross-sectional view taken along line a-a in fig. 3.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

In a first aspect, referring to fig. 1 to 5, the present application provides a valve island structure, including a valve body 10, a first air passage 120 and a plurality of second air passages 100 are disposed in the valve body 10; the surface of the valve body 10 is provided with a plurality of first air inlets 101 and a plurality of first air outlets 102 which are in one-to-one correspondence with the plurality of second air passages 100, the first air passages 120 are communicated with one gas sampling port 122 and at least one second air inlet 121 which are positioned on the surface of the valve body 10, the plurality of first air outlets 102 are all connected with control valves 20, and the plurality of control valves 20 are connected with the first air passages 120 through the at least one second air inlet 121.

Specifically, in practical applications, the plurality of second air passages 100 are communicated with different gas sources to be detected through the plurality of first air inlets 101, the plurality of second air passages 100 can be connected with a quick coupling through internal threads by being arranged in the first air inlets 101, and are connected with pipe fittings of the air passages through the quick coupling, the control valves 20 are connected to the first air outlets 102 of the plurality of second air passages 100, the first air passages 120 are provided with at least one second air inlet 121, the plurality of control valves 20 are connected with the first air passages 120 through at least one second air inlet 121, the gas detector 40 is communicated with the gas sampling port 122, in practical applications, the plurality of control valves 20 control the corresponding second air passages 100 to be communicated with the first air passages 120, so that the gas detector 40 can detect the gas conveyed in the corresponding air passages, when another gas of origin needs to be detected, only the control valves 400 communicated with the corresponding second air passages 100 need to be controlled to be opened, the control valve 20 of other second air flues 100 intercommunication closes can, the utility model provides a valve island structure is when using, the length of reducible pipe fitting, reduce the joint quantity between the gas circuit to reduce gas leakage's probability, improve the switching speed of gas circuit, have stronger practicality.

Further, the second air inlet 121 is provided with a plurality of, and is a plurality of the second air inlet 121 with a plurality of first gas outlet 102 one-to-one sets up, the inlet end of control valve 20 with first gas outlet 102 is connected, the end of giving vent to anger of control valve 20 with the second air inlet 121 is connected, and is concrete, through with first gas outlet 102 with the second air inlet 121 is the one-to-one setting, can reduce the quantity of pipe fitting, reduces the leak point.

Further, referring to fig. 3 and 5, the surface of the valve body 10 is further provided with a plurality of control valve installation grooves 150, and the bottom surface of each control valve installation groove 150 is provided with one first air outlet 102 and one second air inlet 121, specifically, the control valve 20 may be an electromagnetic valve or a pneumatic valve, by arranging an internal thread in the second air inlet 121, the air outlet end of the control valve 20 is provided with an external thread, the air outlet end of the control valve 20 is fixedly connected with the second air inlet 121 through a thread, and the air inlet end located below the control valve 20 is directly opposite to the first air outlet 102, so as to achieve the purpose that the control valve 20 is communicated with the first air outlet 102 and the second air inlet 121, and a sealing member may be arranged in the control valve installation groove 150 to ensure the air tightness of the first air outlet 102 and the air inlet end of the control valve, which design mode can avoid the air passage communication through a pipe fitting, the performance of the valve island is further improved; it is understood that the same effect can be achieved by providing internal threads in first outlet port 102 and external threads on the inlet end of control valve 20.

Further, the control valve mounting groove 150 is a circular groove, the circular groove is coaxially disposed with the second air inlet 121, specifically, the control valve mounting groove 150 is disposed according to a specific structure of the control valve, when the cross section of the base of the control valve 20 is circular, the control valve mounting groove 150 is disposed in a circular shape, the air outlet end of the control valve 20 is disposed at a central position of the bottom surface of the control valve 20, the control valve 20 is coaxially disposed with the body of the control valve 20, the second air inlet is provided with an internal thread, and the control valve mounting groove 150 is coaxially disposed, so that the control valve 20 can be conveniently mounted and dismounted; in addition, the air inlet end of the control valve 20 may be disposed at the center of the bottom surface, the first air outlet 102 may be disposed with an internal thread and may be disposed coaxially with the control valve mounting groove 150, and the control valve 20 may be mounted in the control valve mounting groove 150 through the first air outlet.

Further, referring to fig. 2, fig. 3, and fig. 5, the valve body 10 is a rectangular parallelepiped, the first air inlets 101 are arranged in the first surface of the valve body 10 along the length direction of the valve body 10, and the first air outlets 102 are arranged in the first surface adjacent to the first surface along the length direction of the valve body 10.

Specifically, through setting up the valve body 10 into the cuboid, can add man-hour and easily fix a position the valve body 10, can reduce the degree of difficulty when processing second air flue 120 and first air flue 100, will first gas outlet 102 and first air inlet 101 set up and can make processing intercommunication first air inlet 101 and first gas outlet 102's second air flue in two adjacent sides of valve body 10, only need through boring first blind hole in first air inlet 102 bottom surface to valve body 10, again through boring first blind hole intercommunication first blind hole in the bottom surface of first air outlet 102 to valve body 10 in, need not be in and outer setting up the shutoff component, simplify the structure of valve island.

Further, the plurality of second air passages 100 are arranged in parallel, and the first air passages 120 are arranged along the arrangement direction of the plurality of second air passages 100, so that the design method is reasonable in layout, attractive in appearance and high in practicability.

Further, valve body 10 surface still is provided with a plurality of pressure release ports 130, and is a plurality of pressure release port 130 and many the intercommunication of second air flue 100 one-to-one, it is concrete, when carrying out the gas detection through the valve island, probably remain gas in second air flue 100, the gas of remaining in second air flue 100 when carrying out next gas detection can influence the accuracy that detects, through at the 100 intercommunication pressure release ports of second air flue, in time release the gas in second air flue 100, the dynamic update of sample gas has been realized to the accuracy of detecting gas has been ensured.

Further, it is a plurality of pressure relief port 130 all be located with one side setting that first air inlet 101 carried on the back mutually sets up rationally first air inlet 101 and pressure relief port 130 carried on the back mutually, also is convenient for gaseous the releasing, also can avoid the influence of the gas that releases to the inlet end.

Further, still be provided with a plurality of barometer mounting holes 140 on the valve body 10, it is a plurality of barometer mounting holes 140 and a plurality of the pressure release mouth one-to-one intercommunication, it is concrete, can set up the internal thread in the barometer mounting holes 140, barometer 30 passes through the internal thread setting in the barometer mounting holes, install barometer 30 through barometer mounting holes 140, detect the gas pressure in the air flue through barometer 30, guarantee that sample gas atmospheric pressure is normal, in addition, set up barometer mounting holes 140 on pressure release channel, can pass through pressure release mouth 130 with the medium of leaking when manometer 30 appears leaking and discharge, can not exert an influence to sample gas, improve the performance of valve island structure, guarantee gas measurement analysis's accuracy.

Further, referring to fig. 3 and 5, the plurality of barometer mounting holes 140 and the plurality of control valve mounting holes 150 are disposed on the same side, and the barometer mounting holes 140 and the plurality of control valve mounting holes 150 are disposed on the same side, so that the barometer 30 and the control valve 20 are disposed on the same side.

The specific structure of the valve island structure comprises a valve body 10, wherein the valve body 10 is of a cuboid structure, three control valve installation grooves 150 are arranged on the top surface of the valve body 10 along the length direction, the control valve installation grooves 150 are circular grooves, the bottom surface of each control valve installation groove 150 is provided with a first air outlet 102 and a second air inlet 121 which is coaxially arranged with the control valve installation groove 150, each installation groove is internally provided with a control valve 20, the air inlet end of the control valve is connected with the first air outlet, the air outlet end of the control valve is connected with the second air inlet, three barometer installation holes 140 are arranged on the top surface of the valve body 10 along the length direction, three first air inlets 101 which are in one-to-one correspondence with the three first air outlets are arranged on the side surface close to one side of the control valve installation groove 150, and the three first air inlets 101 are arranged along the length direction of the valve body 10, three second air passages 100 are arranged in the valve body, and each second air passage 100 is correspondingly communicated with a first air inlet 101 and a first air outlet 102; the inside of valve body 10 is provided with gas outlet channel 120 along the array direction of second air flue 100, gas outlet channel 120 with three second air inlet 121 intercommunication, and with the gas sample connection 120 intercommunication of setting on valve body 10, on valve body 10 with first air inlet 101 one side of carrying on the back mutually is provided with three pressure release mouth 130, pressure release mouth 130 and intake duct 100 intercommunication one by one, barometer mounting hole 140 and pressure release mouth 130 intercommunication one by one.

When the gas sampling device works, the analyzer 40 is communicated with the gas sampling ports, the plurality of first gas inlets 101 are respectively communicated with gas sources of different sample gases, and the on-off of each gas circuit is controlled through the control valve 20, so that the detection of different gases is realized, the number of joints of the gas circuit pieces and the length of the pipe fittings can be reduced by the method, the gas leakage probability is reduced, the switching speed of the gas circuits is improved, and the gas sampling device has strong practicability; through at second air flue 100 intercommunication pressure release mouth 130, in time release the gas in the second air flue 100, realized the dynamic update of appearance gas to guaranteed the gaseous accuracy of detection, the utility model provides a valve island structural design is reasonable, and simple structure has stronger practicality.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of features described above or equivalents thereof without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A valve terminal structure comprises a valve body, and is characterized in that a first air passage and a plurality of second air passages are arranged in the valve body; the valve body surface be provided with a plurality of first air inlets and a plurality of first gas outlet of many second air flues one-to-one, first air flue intercommunication has and is located a gas sample connection and at least one second air inlet on valve body surface are a plurality of first gas outlet all is connected with the control valve, and is a plurality of the control valve is through at least one the second air inlet with first air flue is connected.

2. The valve island structure according to claim 1, wherein a plurality of second gas inlets are provided, a plurality of second gas inlets are provided in one-to-one correspondence with a plurality of first gas outlets, a gas inlet end of the control valve is connected to the first gas outlet, and a gas outlet end of the control valve is connected to the second gas inlets.

3. The valve island structure according to claim 2, wherein the valve body surface is further provided with a plurality of control valve mounting grooves, and each of the control valve mounting grooves is provided on a bottom surface thereof with one of the first air outlet port and one of the second air inlet port.

4. The valve island structure according to claim 3, wherein the control valve mounting groove is a circular groove provided coaxially with the second gas inlet or the first gas outlet.

5. The valve island structure according to any one of claims 1 to 4, wherein the valve body is a rectangular parallelepiped, the plurality of first gas outlets are arranged in a first surface of the valve body in a longitudinal direction of the valve body, and the plurality of first gas inlets are arranged in a surface adjacent to the first surface in the longitudinal direction of the valve body.

6. The valve island structure according to claim 5, wherein a plurality of the second air passages are arranged in parallel, and the first air passages are arranged along an arrangement direction of the plurality of the second air passages.

7. The valve island structure according to claim 5, wherein a plurality of pressure relief ports are further provided on the valve body surface, and the plurality of pressure relief ports communicate with the plurality of second air passages in one-to-one correspondence.

8. The valve island structure according to claim 7, wherein a plurality of the pressure relief ports are provided on a side opposite to the first air intake port.

9. The valve island structure according to claim 8, wherein the valve body is further provided with a plurality of barometer mounting holes, and the barometer mounting holes are in one-to-one correspondence communication with the pressure relief ports.

10. The valve island structure according to claim 9, wherein a plurality of the barometer mounting holes are provided on the same side as a plurality of the first air outlets.