CN210716108U - Gas phase switching valve - Google Patents
Gas phase switching valve Download PDFInfo
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- CN210716108U CN210716108U CN201921488436.4U CN201921488436U CN210716108U CN 210716108 U CN210716108 U CN 210716108U CN 201921488436 U CN201921488436 U CN 201921488436U CN 210716108 U CN210716108 U CN 210716108U
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- valve core
- gas phase
- phase switching
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Abstract
The utility model discloses a gas phase diverter valve relates to laboratory instrument technical field, include: the valve comprises a valve body, a valve core, a shifting assembly, a jacking block, an installation sleeve and a valve core elastic pressing assembly; stir the subassembly and rotate to be connected in the valve body lower part, the case sets up in the valve body, the fixed cover of case is established at stirring the subassembly middle part, rotate with driving valve element, case and valve body inner wall all adopt conical surface structure with the part of case contact, the installation ways is established on stirring subassembly upper portion, the kicking block setting is in the installation cover, the kicking block that is located the installation cover inside is pressed and is stirring the subassembly top, case elasticity compresses tightly subassembly fixed mounting on valve body upper portion, and case elasticity compresses tightly the subassembly lower extreme and presses at the kicking block top, need to unpack apart the defect of whole device in order to overcome the great and later maintenance of current diverter valve volume, the utility model discloses overall structure is compact, and.
Description
Technical Field
The utility model relates to a laboratory glassware technical field especially relates to a gas phase diverter valve.
Background
The existing switching valve is large in size, and the later maintenance needs to be completely disassembled, so that the later maintenance is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gas phase diverter valve to solve the problem that above-mentioned prior art exists, make overall structure compact, and later maintenance need not to unpack apart.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a gas phase switching valve, which comprises a valve body, a valve core, a toggle assembly, a top block, an installation sleeve and a valve core elastic compression assembly; the valve comprises a valve body, a valve core, a shifting assembly, a valve body, a valve core, a mounting sleeve, a jacking block, a valve core elastic pressing assembly and a valve core elastic pressing assembly, wherein the shifting assembly is rotatably connected to the lower part of the valve body, the valve core is arranged in the valve body, the middle part of the shifting assembly is fixedly sleeved with the valve core so as to drive the valve core to rotate, the valve core and the part, contacted with the valve core, of the inner wall of the valve body are of conical surface structures, the mounting sleeve is sleeved on the upper part of the shifting assembly, the jacking block is arranged in the mounting sleeve, the jacking block is arranged in the mounting.
Preferably, case elasticity compresses tightly the subassembly and includes steel ball, gasket, elastic element, adjusting nut and casing, casing lower part fixed mounting be in valve body upper portion, from the bottom up has set gradually in the casing the steel ball the gasket elastic element with adjusting nut, just adjusting nut with shells inner wall threaded connection.
Preferably, the toggle assembly comprises a toggle shaft and a toggle head, the toggle shaft is arranged inside the valve body, the installation sleeve is sleeved on the upper portion of the toggle shaft, the valve core is fixedly sleeved on the middle portion of the toggle shaft, the toggle head is fixedly connected with the lower portion of the toggle shaft, and the toggle head is arranged in the valve body.
Preferably, the gas phase switching valve further comprises a limiting pin, the lower portion of the valve body is provided with a plurality of first pin holes, the lower portion of the toggle head is provided with a second pin hole, and the limiting pin penetrates through the first pin holes and the second pin holes.
Preferably, the elastic element is a spring.
Preferably, the valve core is circumferentially provided with a plurality of grooves, and the valve body is provided with a plurality of vent holes at positions corresponding to the grooves.
Preferably, the number of the grooves is 5, and the number of the vent holes is 10.
The utility model discloses for prior art gain following technological effect:
the utility model provides a gas phase diverter valve, overall structure is compact, and wherein, the valve body is the conical surface with the contact surface of case, compresses tightly under the effect of subassembly at case elasticity for case and valve body zonulae occludens, when the case uses for a long time and appears wearing and tearing, case elasticity compresses tightly the pressure effect of subassembly and can ensure that case and valve body still closely link to each other, so, when needing to maintain, only need adjust case elasticity compress tightly the packing force size of subassembly can, need not to dismantle whole device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a sectional view of a gas phase switching valve provided by the present invention;
fig. 2 is the valve body and valve core connection schematic diagram of the gas phase switching valve provided by the utility model.
Wherein: the valve comprises a shell 1, an adjusting nut 2, an elastic element 3, a gasket 4, a steel ball 5, an installation sleeve 6, a top block 7, a valve core 8, a dial shaft 9, a valve body 10, a dial head 11, a limiting pin 12, a groove 13 and a vent hole 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model aims at providing a gas phase diverter valve to solve the problem that prior art exists, make overall structure compact, and later maintenance need not to unpack apart.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in FIGS. 1-2: the embodiment provides a gas phase switching valve which comprises a valve body 10, a valve core 8, a toggle assembly, a top block 7, an installation sleeve 6 and a valve core elastic compression assembly; stir the subassembly and rotate and connect in valve body 10 lower part, case 8 sets up in valve body 10, the subassembly middle part is stirred in case 8 fixed cover, rotate in order to drive case 8, the part of case 8 and 10 inner walls of valve body and the contact of case 8 all adopts conical surface structure, 6 covers of installation cover are established on stirring subassembly upper portion, kicking block 7 sets up in installation cover 6, the kicking block 7 that is located 6 inside of installation cover is pressed and is being stirred the subassembly top, case elasticity compresses tightly the unit mount on 10 upper portions of valve body, and case elasticity compresses tightly the subassembly lower extreme and presses at kicking block 7 tops. Because the contact surfaces of the valve body 10 and the valve core 8 are conical surfaces and are mutually contacted and compressed, and the valve body 10 and the valve core 8 are both made of wear-resistant materials, the valve core 8 and the valve body 10 are tightly connected under the action of the valve core elastic compression assembly, when the valve core 8 is worn after being used for a long time, the valve core 8 and the valve body 10 can still be tightly connected under the pressure action of the valve core elastic compression assembly, and when maintenance is needed, only the pressing force of the valve core elastic compression assembly needs to be adjusted, and the whole device does not need to be disassembled.
Case elasticity compresses tightly subassembly includes steel ball 5, gasket 4, elastic element 3, adjusting nut 2 and casing 1, and 1 lower part fixed mounting of casing has set gradually steel ball 5, gasket 4, elastic element 3 and adjusting nut 2 from the bottom up in the casing 1 on 10 upper portions of valve body, and 5 bottoms of steel ball are pressed at kicking block 7 tops, elastic element 3 is in compression state, and adjusting nut 2 and 1 inner wall threaded connection of casing, when needing to maintain, specifically through changing the position of adjusting nut 2 in casing 1, through the elasticity that changes elastic element 3 promptly, and then the size of adjustment packing force.
The toggle assembly comprises a toggle shaft 9 and a toggle head 11, the toggle shaft 9 is arranged inside the valve body 10, the mounting sleeve 6 is sleeved on the upper part of the toggle shaft 9, the valve core 8 is fixedly sleeved on the middle part of the toggle shaft 9, the toggle head 11 is fixedly connected with the lower part of the toggle shaft 9, and the toggle head 11 is arranged in the valve body 10.
The gas phase switching valve further comprises a limiting pin 10, a plurality of first pin holes are formed in the lower portion of the valve body 10, a second pin hole is formed in the lower portion of the toggle head 11, and the limiting pin 10 penetrates through the first pin holes and the second pin holes.
The elastic element 3 is a spring.
A plurality of recesses 13 have been seted up to case 8 circumference, and a plurality of air vents 14 have been seted up with recess 13 position department of corresponding on the valve body 10, when rotating toggle head 11, can drive case 8 through toggle head 11 and rotate to make the air vent 14 of different positions department on the valve body 10 and the recess 13 intercommunication on the case 8, realized the gas circuit conversion promptly.
The number of the grooves 13 is 5, and the number of the vent holes 14 is 10.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. A gas phase switching valve characterized by: the valve comprises a valve body, a valve core, a shifting assembly, a jacking block, an installation sleeve and a valve core elastic pressing assembly; the valve comprises a valve body, a valve core, a shifting assembly, a valve body, a valve core, a mounting sleeve, a jacking block, a valve core elastic pressing assembly and a valve core elastic pressing assembly, wherein the shifting assembly is rotatably connected to the lower part of the valve body, the valve core is arranged in the valve body, the middle part of the shifting assembly is fixedly sleeved with the valve core so as to drive the valve core to rotate, the valve core and the part, contacted with the valve core, of the inner wall of the valve body are of conical surface structures, the mounting sleeve is sleeved on the upper part of the shifting assembly, the jacking block is arranged in the mounting sleeve, the jacking block is arranged in the mounting.
2. A gas phase switching valve according to claim 1, wherein: case elasticity compresses tightly subassembly includes steel ball, gasket, elastic element, adjusting nut and casing, casing lower part fixed mounting be in valve body upper portion, from the bottom up has set gradually in the casing the steel ball the gasket elastic element with adjusting nut, just adjusting nut with shells inner wall threaded connection.
3. A gas phase switching valve according to claim 1, wherein: the valve body is provided with a valve core, the valve core is fixedly sleeved on the valve core, the stirring assembly comprises a stirring shaft and a stirring head, the stirring shaft is arranged inside the valve body, the installation sleeve is sleeved on the upper portion of the stirring shaft, the valve core is fixedly sleeved on the middle portion of the stirring shaft, the stirring head is fixedly connected with the lower portion of the stirring shaft, and the stirring head is arranged in the valve body.
4. A gas phase switching valve according to claim 3, wherein: the lower portion of the valve body is provided with a plurality of first pin holes, the lower portion of the poking head is provided with a second pin hole, and the limiting pin penetrates through the first pin holes and the second pin holes.
5. A gas phase switching valve according to claim 2, wherein: the elastic element is a spring.
6. A gas phase switching valve according to claim 1, wherein: the valve core is circumferentially provided with a plurality of grooves, and the valve body is provided with a plurality of vent holes at positions corresponding to the grooves.
7. A gas phase switching valve according to claim 6, wherein: the number of the grooves is 5, and the number of the vent holes is 10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921488436.4U CN210716108U (en) | 2019-09-09 | 2019-09-09 | Gas phase switching valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921488436.4U CN210716108U (en) | 2019-09-09 | 2019-09-09 | Gas phase switching valve |
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CN210716108U true CN210716108U (en) | 2020-06-09 |
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CN201921488436.4U Active CN210716108U (en) | 2019-09-09 | 2019-09-09 | Gas phase switching valve |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110454592A (en) * | 2019-09-09 | 2019-11-15 | 台州市创导科学仪器有限公司 | A kind of gas phase switching valve |
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2019
- 2019-09-09 CN CN201921488436.4U patent/CN210716108U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110454592A (en) * | 2019-09-09 | 2019-11-15 | 台州市创导科学仪器有限公司 | A kind of gas phase switching valve |
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