CN101477381B - Pressure control structure - Google Patents
Pressure control structure Download PDFInfo
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- CN101477381B CN101477381B CN200910095791XA CN200910095791A CN101477381B CN 101477381 B CN101477381 B CN 101477381B CN 200910095791X A CN200910095791X A CN 200910095791XA CN 200910095791 A CN200910095791 A CN 200910095791A CN 101477381 B CN101477381 B CN 101477381B
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Abstract
The invention relates to a pressure control structure in the field of pressure detection, control and overload protecting device, which is designed aiming at the unreasonable structure of a known like product. The invention adopts the technical key that: the pressure control structure consists of a structural base body, a sliding contact combined body, a pressure adjusting contact combined body, and a matched pressure control circuit interface unit. The invention has four technical proposals which can well solve the technical problems of simplex function, unstable working condition, complexity increment, and reduced service life of the device difficult to be solved in the prior like products. The pressure control structure has the advantages of good versatility, wide application range, simple and reasonable structure, and convenient installation and usage.
Description
Technical field
The present invention relates to a kind of control device that is used for purposes such as pressure detection, control and overload protection.
Background technology
At present, the existing principal mode that is used for purposes such as pressure detection, control and overload protection and similar applications device has: mechanical type, piezoelectric type, resistance-type, condenser type, magneto-electric etc.There is following defective in these structures:
(1) function singleness.
(2) applicable elements is relatively harsher, and interference free performance is poor; Unstable working condition easily produces concussion or shake.
(3) owing to can not in same simple and mechanical structure, realize multi-functional detection and logic control, thereby make the complexity increase of control circuit or equipment, reduced the reliability of equipment usability.
(4) device usually makes equipment be in a kind of extremely irrational user mode, the serviceable life of having reduced equipment.
Summary of the invention
A kind of pressure control structure of providing to this area is provided, makes it can solve technical matterss such as insoluble function singleness, unstable working condition, complexity increase, service life of equipment reduction in the existing like product structure.The objective of the invention is to realize one by one by four kinds of following technical schemes.
As Fig. 1, Fig. 2, Figure 3 shows that first technical scheme, regulate assembly and supporting pressure control circuit interface unit constitutes by basic body, slider assembly, pressure; Wherein basic body is regulated hollow bolt, basic body retainer spring, test spring, push rod, elastic sealing gasket, ring seal pad and hollow set bolt by matrix, basis and is constituted; The slider assembly is made of sliding conduction contact, slider retainer spring and slidable adjustment hollow bolt; Pressure adjusting sets of contacts zoarium is regulated conductive contact, pressure adjusting retainer spring, pressure adjusting hollow bolt and locknut by pressure and is constituted; Supporting pressure control circuit interface unit is made of resistance R, operating switch SB1, shutdown switch SB2; Its main points are: the front end of matrix is provided with basic body, and the rear end is provided with pressure and regulates the sets of contacts zoarium, and the slider assembly is set between front end and the rear end; Wherein hollow bolt is regulated on push rod the movable endoporus of test spring, matrix, basic body retainer spring and basis passed, the other end is butted on elastic sealing gasket, the periphery of elastic sealing gasket is inserted in the seal groove of matrix inside, compresses and be fixed in the matrix by hollow set bolt and ring seal pad; Pressure is regulated in the fit screw-in of the sets of contacts matrix, wherein a pressure end of regulating conductive contact passes pressure and regulates retainer spring and pressure and regulate hollow bolt and be threaded with locknut, and locknut and pressure are regulated and are carried out surperficial meshing the connection between the hollow bolt, regulate retainer spring by pressure to compress; The slider assembly places pressure to regulate conductive contact and the basis is regulated between the hollow bolt, and wherein one of the sliding conduction contact is passed slider retainer spring and slidable adjustment hollow bolt, and the other end is butted on the basis of basic body and regulates on the hollow bolt; The basis is regulated hollow bolt and is screwed in lower position in the matrix, and an end of basic body retainer spring is butted on the ladder of matrix inside, and the other end is screwed in by basis adjusting hollow bolt and compresses; Basis adjusting hollow bolt, pressure adjusting hollow bolt, slidable adjustment hollow bolt, sliding conduction contact, pressure are regulated conductive contact and are all metallic conductor, and connect with corresponding basis is external that lead, slider externally connect lead, pressure control agent external wire is electrically connected, and the corresponding electrical connection of these external wires with the pressure control circuit interface unit.The inner chamber of described matrix is analysed and observe the cross section and is stepped appearance, and its surfaces externally and internally all has screw thread, and is provided with metallic channel and through wires hole, and push rod is a T shape, and it is annular that hollow bolt is regulated on the basis; The sliding conduction contact is a T shape, and the slidable adjustment hollow bolt is an annular; It is T shape that pressure is regulated conductive contact, and the one side that pressure is regulated hollow bolt has groove, and the one side of locknut has projection, and another side has groove.Constitute independently pressure control circuit interface unit by resistance R, operating switch SB1, shutdown switch SB2.
The design concept of first technical scheme is: when equipment was in normal operating conditions, sliding conduction contact and pressure were regulated conductive contact and are in disengaged condition; At the pressure carrier is under gas or the liquid situation, when gas or liquid along P to entering structure inner chamber, when elastic sealing gasket is produced pressure, this pressure conducts to push rod, make push rod produce displacement, a certain amount of pressure is inevitable corresponding to a certain amount of displacement, promotes the sliding conduction contact then and produces displacement, make sliding conduction contact and basis regulate the hollow bolt disengagement and be electrically connected, this moment, pressure control circuit entered " stopping " standby condition; When pressure increased to upper limit reference mark, the sliding conduction contact was regulated conductive contact with pressure and is contacted and be electrically connected, and this moment, pressure control circuit entered " stopping " state, thereby opertaing device enters halted state (as shown in Figure 3).When pressure reduced, the test spring in the architecture basics body unclamped, and the sliding conduction contact is regulated conductive contact with pressure and thrown off under the effect of slider retainer spring at this moment, and this moment, pressure control circuit entered " work " standby condition; When pressure was reduced to the lower limit reference mark, the sliding conduction contact was regulated hollow bolt with the basis and is contacted and be electrically connected, and this moment, pressure control circuit entered " work " state, thereby opertaing device enters duty (as shown in Figure 1).
Another object of the present invention is identical with first purpose design, is on the existing structure basis, realizes the pressure control structure function similar to said structure.This invents second design proposal by Fig. 4, shown in Figure 7, regulate hollow bolt, basic body retainer spring, test spring, push rod, elastic sealing gasket, ring seal pad and hollow set bolt formation base body by matrix, basis, its main points are that hollow bolt is regulated on the movable endoporus of test spring, matrix, basic body retainer spring and the basis passed of of push rod, the other end is butted on elastic sealing gasket, the periphery of elastic sealing gasket is inserted in the seal groove of matrix inside, compresses and be fixed in the matrix by hollow set bolt and ring seal pad; Wherein the basis is regulated hollow bolt and is connect the corresponding electrical connection with the pressure control circuit interface unit of lead by the basis is external; Described basic body and slider assembly, pressure are regulated assembly, the pressure control circuit interface unit is supporting, are combined as at least two kinds of pressure control structures, and the test spring of changing different hardness detects needs to satisfy different pressures; The inner chamber of described matrix is analysed and observe the cross section and is stepped appearance, and its surfaces externally and internally all has screw thread, and is provided with metallic channel and through wires hole, and push rod is a T shape, and it is annular that hollow bolt is regulated on the basis.
The design concept of the present invention's second technical scheme is: at the pressure carrier is under gas or the liquid situation, when gas or liquid along P to entering structure inner chamber, when elastic sealing gasket is produced pressure, this pressure conducts to push rod, make push rod produce displacement, a certain amount of pressure is inevitable corresponding to a certain amount of displacement, promotes the sliding conduction contact then and produces displacement; When pressure increases to when a certain amount of, making sliding conduction contact (or other conduction assembly) and basis regulate the hollow bolt disengagement is electrically connected, thereby enter " stopping " state by the pressure control circuit opertaing device, otherwise, when pressure reduces to a certain amount of, sliding conduction contact (or other conduction assembly) and basis adjusting hollow bolt are contacted and closed the electrical connection, thereby enter " work " state by the pressure control circuit opertaing device.For different equipment, the pressure of being controlled is also different, and the test spring of changing different hardness is to satisfy the pressure detection needs of distinct device.
A kind of pressure control structure, Fig. 5, the present invention's the 3rd technical scheme that is shown in Figure 7 are made of basic body and slider assembly; Wherein basic body is regulated hollow bolt, basic body retainer spring, test spring, push rod, elastic sealing gasket, ring seal pad and hollow set bolt by matrix, basis and is constituted; The slider assembly is made of sliding conduction contact, slider retainer spring and slidable adjustment hollow bolt; Its main points are that the front end of matrix is provided with basic body, the rear end is provided with the slider assembly, wherein hollow bolt is regulated on push rod the movable endoporus of test spring, matrix, basic body retainer spring and basis passed, the other end is butted on elastic sealing gasket, the periphery of elastic sealing gasket is inserted in the seal groove of matrix inside, compresses and be fixed in the matrix by hollow set bolt and ring seal pad; The slider assembly places the matrix rear end, and wherein one of the sliding conduction contact is passed slider retainer spring and slidable adjustment hollow bolt, and the other end is butted on the basis of basic body and regulates on the hollow bolt; The basis is regulated hollow bolt and is screwed in lower position in the matrix, and an end of basic body retainer spring is butted on the ladder of matrix inside, and the other end is screwed in by basis adjusting hollow bolt and compresses, and constitutes independent detection " switch " functional unit; Basis adjusting hollow bolt, slidable adjustment hollow bolt, sliding conduction contact are all metallic conductor, and externally connect lead with corresponding basis, the external lead that connects of slider is electrically connected, and the corresponding electrical connection with the pressure control circuit interface unit of these external wires; The inner chamber of described matrix is analysed and observe the cross section and is stepped appearance, and its surfaces externally and internally all has screw thread, and is provided with metallic channel and through wires hole, and push rod is a T shape, and it is annular that hollow bolt is regulated on the basis; The sliding conduction contact is a T shape, and the slidable adjustment hollow bolt is an annular.Constitute the pressure control circuit interface unit by resistance R, switch S B1.
The design concept of the present invention's the 3rd technical scheme is: at the pressure carrier is under gas or the liquid situation, when gas or liquid along P to entering structure inner chamber, when elastic sealing gasket is produced pressure, this pressure conducts to push rod, make push rod produce displacement, a certain amount of pressure is inevitable corresponding to a certain amount of displacement, promotes the sliding conduction contact then and produces displacement; When pressure increases to when a certain amount of, making sliding conduction contact and basis regulate the hollow bolt disengagement is electrically connected, thereby enter " stopping " state by the pressure control circuit opertaing device, otherwise, when pressure reduces to a certain amount of, sliding conduction contact and basis adjusting hollow bolt are contacted and closed the electrical connection, thereby enter " work " state by the pressure control circuit opertaing device.For different equipment, the pressure of being controlled is also different, and the test spring of changing different hardness is to satisfy the pressure detection needs of distinct device.
A kind of pressure control structure, Fig. 6, the present invention's the 4th technical scheme that is shown in Figure 7 are regulated the sets of contacts zoarium by basic body and pressure and are constituted; Wherein basic body is regulated hollow bolt, basic body retainer spring, test spring, push rod, elastic sealing gasket, ring seal pad and hollow set bolt by matrix, basis and is constituted; Pressure adjusting sets of contacts zoarium is regulated conductive contact, pressure adjusting retainer spring, pressure adjusting hollow bolt and locknut by pressure and is constituted; Its main points are that the front end of matrix is provided with basic body, the rear end is provided with pressure and regulates the sets of contacts zoarium, wherein hollow bolt is regulated on push rod the movable endoporus of test spring, matrix, basic body retainer spring and basis passed, the other end is butted on elastic sealing gasket, the periphery of elastic sealing gasket is inserted in the seal groove of matrix inside, compresses and be fixed in the matrix by hollow set bolt and ring seal pad; Pressure is regulated in the fit screw-in of the sets of contacts matrix, wherein a pressure end of regulating conductive contact passes pressure and regulates retainer spring and pressure and regulate hollow bolt and be threaded with locknut, and locknut and pressure are regulated and are carried out surperficial meshing the connection between the hollow bolt, regulate retainer spring by pressure to compress; The other end is butted on the basis of basic body and regulates on the hollow bolt; The basis is regulated hollow bolt and is screwed in lower position in the matrix, and an end of basic body retainer spring is butted on the ladder of matrix inside, and the other end is screwed in by basis adjusting hollow bolt and compresses, and constitutes another kind of independent detection " switch " functional unit; Basis adjusting hollow bolt, pressure are regulated hollow bolt, pressure is regulated conductive contact and is all metallic conductor, and externally connect lead with corresponding basis, pressure control agent external wire is electrically connected, and the corresponding electrical connection with the pressure control circuit interface unit of these external wires; The inner chamber of described matrix is analysed and observe the cross section and is stepped appearance, and its surfaces externally and internally all has screw thread, and is provided with metallic channel and through wires hole, and push rod is a T shape, and it is annular that hollow bolt is regulated on the basis; Wherein pressure adjusting conductive contact is a T shape, and the one side that pressure is regulated hollow bolt has groove, and the one side of locknut has projection, and another side has groove.Constitute the pressure control circuit interface unit by resistance R, switch S B1.
The design concept of the present invention's the 4th technical scheme is: at the pressure carrier is under gas or the liquid situation, when gas or liquid along P to entering structure inner chamber, when elastic sealing gasket is produced pressure, this pressure conducts to push rod, make push rod produce displacement, a certain amount of pressure is inevitable corresponding to a certain amount of displacement, promotes pressure then and regulates conductive contact generation displacement; When pressure increases to when a certain amount of, making pressure regulate conductive contact is electrically connected with the disengagement of basis adjusting hollow bolt, thereby enter " stopping " state by the pressure control circuit opertaing device, otherwise, when pressure reduces to a certain amount of, make pressure regulate conductive contact and contact and closed the electrical connection, thereby enter " work " state by the pressure control circuit opertaing device with basis adjusting hollow bolt.For different equipment, the pressure of being controlled is also different, and the test spring of changing different hardness is to satisfy the pressure detection needs of distinct device.
The invention has the beneficial effects as follows: owing to adopt such scheme, solved in the existing like product structure extremely technical matterss such as instability, complexity increase, service life of equipment reduction of insoluble function singleness, duty preferably; It is good to have versatility, good stability, and the reliability height, the life-span is long, and the scope of application is extensive, and simple in structure, reasonable in design, volume is little, advantage easy to install.
Description of drawings
Fig. 1 is the basic physical construction duty diagrammatic cross-section of the present invention first technical scheme embodiment.
Fig. 2 is the basic physical construction halted state diagrammatic cross-section of the present invention first technical scheme embodiment.
Fig. 3 is the basic circuit structure synoptic diagram of the present invention first technical scheme embodiment.
Fig. 4 is the present invention's second technical scheme structural representation.
Fig. 5 is the present invention's the 3rd technical scheme structural representation.
Fig. 6 is the present invention's the 4th technical scheme structural representation.
Fig. 7 is the basic circuit structure synoptic diagram of third and fourth technical scheme of the present invention embodiment.
P in the above accompanying drawing is a pressure direction.
The sequence number of above accompanying drawing and title: 1, matrix, 2, hollow set bolt, 3, the ring seal pad, 4, elastic sealing gasket, 5, push rod, 6, test spring, 7, pressure is regulated retainer spring, 8, the slider retainer spring, 9, basis body retainer spring, 10, the sliding conduction contact, 11, the slidable adjustment hollow bolt, 12, pressure is regulated conductive contact, 13, locknut, 14, pressure is regulated hollow bolt, 15, hollow bolt is regulated on the basis, 16, pressure control agent external wire, 17, the external lead that connects of slider, 18, the external lead that connects in basis, R, resistance, SB1, operating switch, SB2, shutdown switch.
Embodiment
Wherein slidable adjustment hollow bolt, sliding conduction contact, pressure adjusting conductive contact, pressure are regulated hollow bolt, the basis is regulated hollow bolt and is all metallic conductor, and be electrically connected, and the corresponding electrical connection of interface circuit of these external wires and pressure control circuit with corresponding external wire; Push rod is insulators such as plastics; The effect of resistance R is that the working current that guarantees circuit minimizes in the circuit.
Claims (4)
1. a pressure control structure is made of basic body, slider assembly, pressure adjusting assembly and supporting pressure control circuit interface unit; Wherein basic body is regulated hollow bolt (15), basic body retainer spring (9), test spring (6), push rod (5), elastic sealing gasket (4), ring seal pad (3) and hollow set bolt (2) by matrix (1), basis and is constituted; The slider assembly is made of sliding conduction contact (10), slider retainer spring (8) and slidable adjustment hollow bolt (11); Pressure is regulated assembly and is regulated conductive contact (12), pressure adjusting retainer spring (7), pressure adjusting hollow bolt (14) and locknut (13) formation by pressure; Supporting pressure control circuit interface unit is made of resistance R, operating switch SB1, shutdown switch SB2; It is characterized in that: the front end of matrix (1) is provided with the basis and regulates hollow bolt (15), basic body retainer spring (9), test spring (6), push rod (5), elastic sealing gasket (4), ring seal pad (3) and hollow set bolt (2), the rear end is provided with pressure and regulates assembly, and the slider assembly is set between front end and the rear end; Wherein hollow bolt (15) is regulated on one of push rod (5) movable endoporus, basic body retainer spring (9) and the basis of passing test spring (6), matrix, the other end is butted on elastic sealing gasket (4), the periphery of elastic sealing gasket is inserted in the seal groove of matrix inside, compresses and be fixed in the matrix by hollow set bolt (2) and ring seal pad (3); Pressure is regulated assembly and is screwed in the matrix, wherein a pressure end of regulating conductive contact passes that pressure is regulated retainer spring (7) and pressure adjusting hollow bolt (14) is threaded with locknut (13), and locknut and pressure are regulated and are carried out surperficial meshing the connection between the hollow bolt, regulate retainer spring by pressure to compress; The slider assembly places pressure to regulate conductive contact (12) and the basis is regulated between the hollow bolt (15), wherein one of sliding conduction contact (10) is passed slider retainer spring (8) and slidable adjustment hollow bolt (11), and the other end is butted on the basis of basic body and regulates on the hollow bolt; The basis is regulated hollow bolt and is screwed in lower position in the matrix, and an end of basic body retainer spring is butted on the ladder of matrix inside, and the other end is screwed in by basis adjusting hollow bolt and compresses; Wherein push rod (5) is an insulator, the basis is regulated hollow bolt, pressure and is regulated hollow bolt, slidable adjustment hollow bolt, sliding conduction contact, pressure and regulate conductive contact and be all metallic conductor, and wherein the basis is regulated hollow bolt, slidable adjustment hollow bolt, pressure and regulated hollow bolt and connect with corresponding basis is external that lead (18), slider externally connect lead (17), pressure control agent external wire (16) is electrically connected respectively; And the corresponding electrical connection with the pressure control circuit interface unit of these external wires; The inner chamber of described matrix is analysed and observe the cross section and is stepped appearance, and its surfaces externally and internally all has screw thread, and is provided with metallic channel and through wires hole, and push rod is a T shape, and it is annular that hollow bolt is regulated on the basis; The sliding conduction contact is a T shape, and the slidable adjustment hollow bolt is an annular; It is T shape that pressure is regulated conductive contact, and the one side that pressure is regulated hollow bolt has groove, and the one side of locknut has projection, and another side has groove.
2. pressure control structure according to claim 1 is characterized in that constituting independently pressure control circuit interface unit by resistance R, operating switch SB1, shutdown switch SB2.
3. a pressure control structure is made of basic body and slider assembly; Wherein basic body is regulated hollow bolt (15), basic body retainer spring (9), test spring (6), push rod (5), elastic sealing gasket (4), ring seal pad (3) and hollow set bolt (2) by matrix (1), basis and is constituted; The slider assembly is made of sliding conduction contact (10), slider retainer spring (8) and slidable adjustment hollow bolt (11); The front end that it is characterized in that matrix (1) is provided with basis adjusting hollow bolt (15), basis body retainer spring (9), test spring (6), push rod (5), elastic sealing gasket (4), ring seal pad (3) and hollow set bolt (2), the rear end is provided with the slider assembly, one of push rod (5) movable test spring (6) that passes wherein, the endoporus of matrix, hollow bolt (15) is regulated on basis body retainer spring (9) and basis, the other end is butted on elastic sealing gasket (4), the periphery of elastic sealing gasket is inserted in the seal groove of matrix inside, compresses and be fixed in the matrix by hollow set bolt (2) and ring seal pad (3); The slider assembly places the matrix rear end, and wherein one of sliding conduction contact (10) is passed slider retainer spring (8) and slidable adjustment hollow bolt (11), and the other end is butted on the basis of basic body and regulates on the hollow bolt (15); The basis is regulated hollow bolt and is screwed in lower position in the matrix, and an end of basic body retainer spring is butted on the ladder of matrix inside, and the other end is screwed in by basis adjusting hollow bolt and compresses, and constitutes independent detection " switch " functional unit; Wherein push rod (5) is an insulator, basis adjusting hollow bolt, slidable adjustment hollow bolt, sliding conduction contact are all metallic conductor, and externally connect lead (18) with corresponding basis, the external lead (17) that connects of slider is electrically connected, and the corresponding electrical connection with the pressure control circuit interface unit of these external wires; The inner chamber of described matrix is analysed and observe the cross section and is stepped appearance, and its surfaces externally and internally all has screw thread, and is provided with metallic channel and through wires hole, and push rod is a T shape, and it is annular that hollow bolt is regulated on the basis; The sliding conduction contact is a T shape, and the slidable adjustment hollow bolt is an annular.
4. a pressure control structure is regulated assembly by basic body and pressure and is constituted; Wherein basic body is regulated hollow bolt (15), basic body retainer spring (9), test spring (6), push rod (5), elastic sealing gasket (4), ring seal pad (3) and hollow set bolt (2) by matrix (1), basis and is constituted; Pressure is regulated assembly and is regulated conductive contact (12), pressure adjusting retainer spring (7), pressure adjusting hollow bolt (14) and locknut (13) formation by pressure; The front end that it is characterized in that matrix (1) is provided with basis adjusting hollow bolt (15), basis body retainer spring (9), test spring (6), push rod (5), elastic sealing gasket (4), ring seal pad (3) and hollow set bolt (2), the rear end is provided with pressure and regulates assembly, one of push rod (5) movable test spring (6) that passes wherein, the endoporus of matrix, hollow bolt (15) is regulated on basis body retainer spring (9) and basis, the other end is butted on elastic sealing gasket (4), the periphery of elastic sealing gasket is inserted in the seal groove of matrix inside, compresses and be fixed in the matrix by hollow set bolt (2) and ring seal pad (3); Pressure is regulated assembly and is screwed in the matrix, wherein a pressure end of regulating conductive contact (12) passes that pressure is regulated retainer spring (7) and pressure adjusting hollow bolt (14) is threaded with locknut (13), and locknut and pressure are regulated and are carried out surperficial meshing the connection between the hollow bolt, regulate retainer spring by pressure to compress; The other end is butted on the basis of basic body and regulates on the hollow bolt (15); The basis is regulated hollow bolt and is screwed in lower position in the matrix, and an end of basic body retainer spring is butted on the ladder of matrix inside, and the other end is screwed in by basis adjusting hollow bolt and compresses, and constitutes another kind of independent detection " switch " functional unit; Wherein push rod (5) is an insulator, basis adjusting hollow bolt, pressure are regulated hollow bolt, pressure is regulated conductive contact and is all metallic conductor, and externally connect lead (18) with corresponding basis, pressure control agent external wire (16) is electrically connected, and the corresponding electrical connection with the pressure control circuit interface unit of these external wires; The inner chamber of described matrix (1) is analysed and observe the cross section and is stepped appearance, and its surfaces externally and internally all has screw thread, and is provided with metallic channel and through wires hole, and push rod is a T shape, and it is annular that hollow bolt is regulated on the basis; Wherein pressure adjusting conductive contact is a T shape, and the one side that pressure is regulated hollow bolt has groove, and the one side of locknut has projection, and another side has groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095791XA CN101477381B (en) | 2009-01-20 | 2009-01-20 | Pressure control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095791XA CN101477381B (en) | 2009-01-20 | 2009-01-20 | Pressure control structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101477381A CN101477381A (en) | 2009-07-08 |
| CN101477381B true CN101477381B (en) | 2010-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910095791XA Expired - Fee Related CN101477381B (en) | 2009-01-20 | 2009-01-20 | Pressure control structure |
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| CN (1) | CN101477381B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101661299B (en) * | 2009-09-16 | 2011-05-25 | 练可为 | Dynamic pressure controller and controlling method thereof |
| CN103324213B (en) * | 2013-05-30 | 2016-08-10 | 顾诚 | The base structure of a kind of pressure controller and pressure controller |
| CN203324845U (en) * | 2013-07-02 | 2013-12-04 | 宁波高新区天都科技有限公司 | Pressure controller base structure and pressure controller |
| CN109273193B (en) * | 2018-12-04 | 2023-10-27 | 湖南迈太科医疗科技有限公司 | Current lead structure and superconducting magnet |
| CN111061309B (en) * | 2019-12-17 | 2022-12-23 | 深圳市唯飞科技有限公司 | Pressure control type liquid flow control device |
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2009
- 2009-01-20 CN CN200910095791XA patent/CN101477381B/en not_active Expired - Fee Related
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| CN101477381A (en) | 2009-07-08 |
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