CN201547297U - Switch connector of high-pressure air duct - Google Patents
Switch connector of high-pressure air duct Download PDFInfo
- Publication number
- CN201547297U CN201547297U CN2009202119359U CN200920211935U CN201547297U CN 201547297 U CN201547297 U CN 201547297U CN 2009202119359 U CN2009202119359 U CN 2009202119359U CN 200920211935 U CN200920211935 U CN 200920211935U CN 201547297 U CN201547297 U CN 201547297U
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- air duct
- joint
- pressure air
- hole
- screw
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Abstract
The utility model relates to a switch connector of a high-pressure air duct, which comprises a switch and a connector, wherein, the switch adopts a rotary valve switch and comprises a connector body 6, an adjusting screw 7, a valve core 8 and a core body 10; the connector refers to a pipeline connector and comprises a compression screw 1, a gland nut 2, a connecting body 3 and the connector 5; one end of the pipeline connector can be connected with the air duct, and the other end of the pipeline connector is hermetically connected with one side of the rotary valve switch; the other side of the rotary valve switch is connected with a container through a vent hole. The joints of the internal passage of the switch connector adopt taper hole connections, so that simplicity and reliability can be achieved; in addition, other leakage points are hermetically sealed through seal rings and gland bushes, so that high leakproofness and no leakage can be kept under high pressure and high temperature.
Description
Technical field
The utility model relates to a kind of high-pressure air duct switch contacts, is meant a kind of high-pressure air duct switch contacts that is used on the microwave chemical sample pre-treatments instrument thermometric pressure measurement reactor especially.
Background technique
Along with emerging microwave chemical pretreatment technology, as micro-wave digestion, extraction, developing rapidly of synthetic and ashing etc. realized the real-time observing and controlling to reactor temperature and pressure, improved the in real time accurate automatically control of people to chemical reaction greatly.But, because pressure measurement air pipe and reactor closely connect together, air pipe and reactor are disconnected, because temperature and pressure are still high in the reactor, disconnect this moment, reaction liquid can be sprayed onto in the furnace chamber, also can injure the experimenter.So, can only wait it to lower the temperature naturally to disconnect again after pressing and take out reactor, take length like this, inefficiency presses for solution.Wherein, reactor is a kind of oil, chemical industry, rubber, agricultural chemicals, dyestuff, medicine, food of being widely used in, be used for finishing the pressurized container of manufacturing processs such as sulfuration, nitrated, hydrogenation, hydrocarbonylation, polymerization, condensation, material generally has carbon manganese steel, stainless steel, zirconium, Ni-based (Ha Shi, Monel, inconel) alloy and other composite material.
Publication number is the patent " a kind of biogas airway tube switch " of CN2793463, a kind of biogas airway tube switch is disclosed, on this airway tube switch side an air guide port is arranged, the protruding rib that intersection is arranged on the outer surface of air pipe, handle on the switch is fixed on the spool, the following intrinsic sealing gasket of spool, the sealed cap of air pipe upper end is with spool and air pipe sealing, sealing gasket is arranged in the sealed cap, and the air guide port outer surface has screw thread, is equipped with reducer union on it, with the air pipe contacting point one protruding ring is arranged in the air guide port, adopt the airway tube switch of this structure, consumptive material is few, and cost is low, easy for installation, safe in utilization, the pipeline of reducing can be connected as required, but the high-pressure air duct situation can't be applicable to.
The model utility content
The technical problems to be solved in the utility model is exactly: a kind of high-pressure air duct switch contacts is provided, this switch contacts not only lowpressure by the time switch safely and reliably, and when highpressure feeds air pipe, can make gas circuit open reliably or turn-off, have the height tightness.
For reaching this purpose, the technical solution of the utility model is as follows:
A kind of high-pressure air duct switch contacts, comprise switch and joint, described switch is the rotary valve switch, comprise fittings body, adjust screw, spool and core body, described adjustment screw and spool are contained in the vertical through hole of fittings body, described spool is contained in to be adjusted in the middle cylindrical hole of screw, described core body links to each other with fittings body is airtight, described joint is that pipe coupling comprises housing screw, gland nut, connecting body and joint, described joint links to each other with housing screw, and be fixed on the connecting body by gland nut, described pipe coupling one end can connect air pipe, the other end links to each other with described rotary valve switch one side hermetic seal, and described rotary valve switch opposite side is connected with container by vent.Pipe coupling and rotary valve switch are connected as a single entity by screw thread, form switch contacts, and the other end of rotary valve switch links to each other with container with the awl mouth by screw thread and communicates, and is fixed thereon.
According to high-pressure air duct switch contacts described in the utility model, be preferably, described fittings body is a tee pipe fitting, its left end is connected with joint with taper hole fast by screw thread, its right-hand member is provided with outside thread and is connected with container with taper hole, described taper hole and end about core body respectively middle communicate by a cylindrical hole.
According to high-pressure air duct switch contacts described in the utility model, be preferably, described spool comprises two cylindrical bodys and a Rotary-table, and described cylindrical body end has rectangle groove, and described Rotary-table is provided with through hole.
According to high-pressure air duct switch contacts described in the utility model, be preferably, the Rotary-table of described spool is the inner cone mouth, the outer wimble fraction hermetic seal corresponding with core body joined.
According to high-pressure air duct switch contacts described in the utility model, be preferably, described housing screw central authorities are provided with through hole, one termination cylinder shape groove of described through hole, another termination circular arc horn mouth, this housing screw outside is provided with outside thread, and the housing screw head is cylindrical and is milled with and screw center symmetry and two parallel planes.
According to high-pressure air duct switch contacts described in the utility model, be preferably, described joint comprises cylindrical external thread, three ones on disk and round platform, its center is provided with a through hole.
According to high-pressure air duct switch contacts described in the utility model, be preferably, the round platform of described joint is the inner cone shape of the mouth as one speaks, the outer wimble fraction hermetic seal corresponding with core body joined.
According to high-pressure air duct switch contacts described in the utility model, be preferably, described fittings body and adjustment screw pass through the seal washer hermetic seal, described housing screw and joint, by the seal ring hermetic seal, joint and core body are by the seal ring hermetic seal.
When high-temperature gas feeds container, because the reactant in the container carries out chemical reaction under heating state, temperature and air pressure in the container raise rapidly, this moment, the gas circuit of switch contacts was opened, high temperature and high pressure gas is by switch contacts and air pipe in the container, enter the outer load cell of furnace chamber and act on its pressure-sensitive diaphragm, realize the pressure measurement of container real-time continuous.When chemical reaction finishes, need take off reaction vessel as early as possible, and the taking-up reaction liquid of uncapping goes chemical examination, at this moment need only the manual off switch joint, and, container and air pipe are disconnected by the rapid pipe joint on the switch, can rapidly container be taken out from furnace chamber, can take forced air cooling or water-cooling method to make the container cooling as early as possible,, take out reaction liquid and go chemical examination so that open container as early as possible.
The beneficial effects of the utility model are: because the liner (inner passage) of this switch contacts adopts the engineering plastics of high temperature resistant anti-strong acid corrosion, and shell adopts high-intensity engineering plastics, therefore it is suitable for working in strong microwave field, and has high strength anti strong acid resistance and high temperature resistance property.The joint of the inner passage of this switch contacts all adopts taper hole to connect, and is simple and reliable, and all the other leakage points adopt seal ring, sealing gasket to carry out hermetic seal.Make that keeping highly airtight under High Temperature High Pressure does not reveal.
Description of drawings
Fig. 1 is the sectional drawing of a kind of high-pressure air duct switch contacts of the utility model
Fig. 2 is the specification specified figure of a kind of high-pressure air duct switch contacts of the utility model
Fig. 3 is a kind of high-pressure air duct switch contacts of the utility model application note figure
The reference character and the constituent element that relate among the figure are as follows:
1. housing screw 2. crimping nuts 3. connecting bodys 4. fixing pins 5. joints
6. fittings body 7. is adjusted screw 8. spools 9. seal washers 10. core bodys
11. pin 12/13. seal ring 31. switch contacts 32. air pipes 33. reactors
Embodiment
Below for a more detailed description to the present invention in conjunction with the accompanying drawings with embodiment.These embodiments only are the descriptions to best mode for carrying out the invention, scope of the present invention are not had any restriction.
Embodiment:
Referring to Fig. 1 and Fig. 2, a kind of high-pressure air duct switch contacts, it comprises switch and joint, and described switch is the rotary valve switch, is preferably the conical rotary valve switch, this rotary valve switch, comprise fittings body 6, adjust screw 7, spool 8, seal washer 9 and core body 10, described adjustment screw 7 and spool 8 are contained in the vertical through hole of fittings body 6, described spool 8 is contained in the cylindrical hole of adjusting screw 7 centres, described core body 10 and 6 airtight linking to each other of fittings body.Described joint is pipe coupling, and this pipe coupling comprises housing screw 1, gland nut 2, connecting body 3, fixing pin 4, joint 5, seal ring 12 and 13.Described joint 5 links to each other with housing screw 1, and be fixed on the connecting body 3 by gland nut 2, described pipe coupling one end can connect air pipe 32, and the other end links to each other with described rotary valve switch one side hermetic seal, and described rotary valve switch opposite side is connected with container by vent.
Gland nut 1 central authorities are provided with through hole 101, a termination cylinder shape groove 102 of through hole, and another termination circular arc horn mouth 104, its outside is provided with outside thread 103, and screw head 105 is cylindrical and is milled with and screw center symmetry and two parallel planes 106,107; Crimping nut 2 is the through hole that the center is made up of cylindrical hole 201,202,203 and screw 204, and its outside is cylindrical light face 205; Connecting body 3 its profiles are light face cylindrical body 301, and there is the through hole of being made up of screw 103,302 and cylindrical hole 303 at its center; Fixing pin 4 is solid light face length cylindrical body; Joint 5 is by cylindrical external thread 501, and disk 502 and round platform 503 3 parts are formed one, and there is a through hole 504 at its center; Seal ring 12,13 equal " o " shape seal rings.
The rotary valve switch is adjusted screw 7 by fittings body 6, spool 8, and seal washer 9, core body 10 and pin 11 are formed.Fittings body 6 is similar to a tee pipe fitting.The transverse axis left end is connected with joint 5 with taper hole 111 fast by screw thread 204, and the transverse axis right-hand member is provided with outside thread 601 and is connected with reactor with taper hole 112.Taper hole 111 and 112 is end about core body 10 respectively, and the centre has a cylindrical hole 113 to communicate.The outside of core body 10 is 2 cylindrical steps 115 and 116 close-fitting fittings bodies, 6 corresponding holes.Taper hole 114 communicates with cylindrical hole 113 vertical and intersectant centerlines.Be equipped with in the vertical through hole of fittings body 6 and adjust screw 7, spool 8 and seal washer 9.Adjust screw 7 and link to each other with fittings body 6, wherein have step cylindrical hole 702 and 703 in vain, so that pack spool 8 into by its outside thread 701.Spool 8 is by two cylindrical bodys 802,805 3 sections compositions of 803 and Rotary-tables, small cylinder 802 ends have rectangle groove, be convenient to instrument rotational valve core 8, with the direction of through hole 804 on the artificial adjustment Rotary-table, when the taper hole 111 on this axially bored line and the fittings body 6 and 112 axis were consistent, valve was logical, otherwise rotational valve core 8-90 ° then the valve pass is dead.
Referring to Fig. 3, the high-pressure air duct switch contacts of the utility model design adopts the liner part and the high-intensity shell of anti-strong acid, and they are all made by nonmetallic material, and are suitable for working in high temperature and strong microwave field.This switch contacts links to each other with the high-pressure sealed reactor of (in the furnace chamber) in the microwave field by himself connection set one end and communicates, and is mounted thereon.The other end links to each other with furnace chamber air-guide pressure-detecting device outward and communicates, and the three is connected as a single entity and forms inner passage (gas circuit) like this.The effect of switch contacts is: when reactor carries out chemical reaction under microwave heating, reactor temperature and acid gas air pressure raise rapidly, at this moment, switch contacts is opened, acid gas enters the outer load cell of furnace chamber by switch contacts and air pipe and acts on the pressure-sensitive diaphragm, realizes the pressure measurement of reactor real-time continuous.When chemical reaction finishes, need take off reactor as early as possible, and the taking-up reaction liquid of uncapping goes chemical examination.At this moment manual off switch joint, and by the rapid pipe joint on the switch reactor and air pipe are disconnected, can rapidly reactor be taken out from furnace chamber and forced air cooling or water-cooled, open reactor so that lower the temperature as early as possible.If there is not switch contacts, because chemical reaction just finishes, temperature and pressure in the reactor is still very high, when by force with air pipe and reactor disconnection, reactant and high pressure acid gas in the reactor can be sprayed onto rapidly in the furnace chamber, also the experimenter be can injure, experimental facilities but also entail dangers to experimenter safety so not only hindered.There has been switch contacts just can avoid the problems referred to above, reached purpose fast and safely.
The joint of the inner passage of this switch contacts all adopts taper hole to connect, and is simple and reliable, and all the other leakage points adopt seal ring, sealing gasket to carry out hermetic seal.Make this switch contacts under reactor temperature and 250 ℃ of air pressure and 4MPa condition, to make gas circuit open reliably or turn-off, and the corrosion of anti-strong acid, keep highly airtight and do not leak.
Claims (8)
1. a high-pressure air duct switch contacts comprises switch and joint, it is characterized in that:
Described switch is the rotary valve switch, comprise fittings body (6), adjust screw (7), spool (8) and core body (10), described adjustment screw (7) and spool (8) are contained in the vertical through hole of fittings body (6), described spool (8) is contained in to be adjusted in the middle cylindrical hole of screw (7), described core body (10) and airtight linking to each other of fittings body (6)
Described joint is that pipe coupling comprises housing screw (1), gland nut (2), connecting body (3) and joint (5), and described joint (5) links to each other with housing screw (1), and is fixed on the connecting body (3) by gland nut (2),
Described pipe coupling one end can connect air pipe (32), and the other end links to each other with described rotary valve switch one side hermetic seal, and described rotary valve switch opposite side is connected with container by vent.
2. high-pressure air duct switch contacts according to claim 1, it is characterized in that: described fittings body (6) is a tee pipe fitting, its left end is connected with joint (5) with taper hole (111) fast by screw thread (204), its right-hand member is provided with outside thread (601) and is connected with container with taper hole (112), described taper hole (111) and (112) are end about core body (10) respectively, and the centre communicates by a cylindrical hole (113).
3. high-pressure air duct switch contacts according to claim 1 and 2, it is characterized in that: described spool (8) comprises two cylindrical bodys (802,803) and a Rotary-table (805), described cylindrical body (802) end has rectangle groove (801), and described Rotary-table (805) is provided with through hole (804).
4. high-pressure air duct switch contacts according to claim 3 is characterized in that: the Rotary-table (805) of described spool (8) is the inner cone mouth, and the outer wimble fraction hermetic seal corresponding with core body (10) joined.
5. high-pressure air duct switch contacts according to claim 1 and 2, it is characterized in that: described housing screw (1) central authorities are provided with through hole (101), one termination cylinder shape groove (102) of described through hole (101), another termination circular arc horn mouth (104), this housing screw outside is provided with outside thread (103), housing screw head (105) is cylindrical and is milled with and screw center symmetry and parallel two planes (106,107).
6. high-pressure air duct switch contacts according to claim 1 and 2 is characterized in that: described joint (5) comprises cylindrical external thread (501), (503) three ones on disk (502) and round platform, and its center is provided with a through hole (504).
7. high-pressure air duct switch contacts according to claim 6 is characterized in that: the round platform (503) of described joint (5) is the inner cone shape of the mouth as one speaks, and the outer wimble fraction hermetic seal corresponding with core body (10) joined.
8. high-pressure air duct switch contacts according to claim 1, it is characterized in that: described fittings body (6) and adjustment screw (7) are by seal washer (9) hermetic seal, described housing screw (1) and joint (5), by seal ring (13) hermetic seal, joint (5) and core body (10) are by seal ring (12) hermetic seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202119359U CN201547297U (en) | 2009-11-06 | 2009-11-06 | Switch connector of high-pressure air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202119359U CN201547297U (en) | 2009-11-06 | 2009-11-06 | Switch connector of high-pressure air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201547297U true CN201547297U (en) | 2010-08-11 |
Family
ID=42602470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202119359U Expired - Fee Related CN201547297U (en) | 2009-11-06 | 2009-11-06 | Switch connector of high-pressure air duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201547297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326166A (en) * | 2013-06-26 | 2013-09-25 | 苏州华旃航天电器有限公司 | Circular connector socket with integrated outer shell |
| CN112483876A (en) * | 2020-11-10 | 2021-03-12 | 东南大学 | Integrated air charging device |
-
2009
- 2009-11-06 CN CN2009202119359U patent/CN201547297U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326166A (en) * | 2013-06-26 | 2013-09-25 | 苏州华旃航天电器有限公司 | Circular connector socket with integrated outer shell |
| CN112483876A (en) * | 2020-11-10 | 2021-03-12 | 东南大学 | Integrated air charging device |
| CN112483876B (en) * | 2020-11-10 | 2022-04-08 | 东南大学 | Integrated air charging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20121106 |