CN113090814A - Intelligent micro valve - Google Patents
Intelligent micro valve Download PDFInfo
- Publication number
- CN113090814A CN113090814A CN202110259786.9A CN202110259786A CN113090814A CN 113090814 A CN113090814 A CN 113090814A CN 202110259786 A CN202110259786 A CN 202110259786A CN 113090814 A CN113090814 A CN 113090814A
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- Prior art keywords
- valve
- valve port
- rack
- cover body
- gear
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
- F16K99/0005—Lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0034—Operating means specially adapted for microvalves
- F16K99/0042—Electric operating means therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention relates to an intelligent micro valve, which is designed for solving the technical problems of large volume, inconvenient production assembly and installation wiring, easy air leakage and large power consumption of the existing like products. The inner rack of the valve body of the miniature valve drives a valve port sealing gasket to move up and down through a motor, and is characterized in that the outer diameter of the valve body is provided with a valve port O-shaped ring, the valve port sealing gasket in a cavity formed by buckling the valve body and a cover body is positioned at an air inlet in the valve body, one side of the cover body in the cavity below the air inlet is provided with an air outlet, the valve port sealing gasket is arranged on a valve port support, a rack of the valve port support is meshed with a gear, the gear is meshed with a pinion at the motor shaft at one end of a motor of a speed reducing assembly, the outer diameter of the rack in the cavity is provided with; the circuit board is provided with a magnetic Hall element, and one side of the valve port bracket or the rack corresponding to the magnetic Hall element is provided with magnetic steel.
Description
Technical Field
The invention relates to a motor valve, in particular to an intelligent micro valve.
Background
The motor valve, also called as an electric valve, can not only control the opening and closing of the valve, but also adjust the opening and closing amount of the valve. The electric valve is driven by a motor, the opening or closing action of the electric valve needs a certain time analog quantity, the electric valve can be adjusted, the electric valve is relatively resistant to voltage shock, the states of the electric valve comprise opening, closing and half-opening and half-closing, the flow of a medium in a pipeline can be controlled, and some electric valves also have opening and closing quantities. For example, the utility model discloses an application number 201621138793.4, granted notice date 2017.04.12, the name of "gas meter built-in bidirectional trip motor valve"; the conventional motor valve of the same type has the following problems that the volume is large, the power consumption is high and the like, and the main reason is caused by the installation mode of the speed reducing component, generally, the speed reducing component is assembled with the rack in a forward direction in a matching way, so that the height in the axial direction is greatly increased, and the space in the gas meter is small originally, so that the problem that the speed reducing component cannot be installed in the gas meter is caused. Meanwhile, the valve port sealing gasket of the existing similar motor valve is embedded on the valve port support, and the valve port sealing gasket is easily pushed open when air pressure exists in an air inlet after the valve is closed.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide an intelligent micro valve for the field, so that the technical problems of large volume, inconvenient production, assembly and installation wiring, easy air leakage and high power consumption of the existing similar products are solved. The purpose is realized by the following technical scheme.
The intelligent miniature valve has the structural design key points that the outer diameter of the valve body is provided with a valve port O-shaped ring, a cavity formed by buckling the valve body and a cover body is internally provided with a valve port sealing gasket, a valve port support, a spring, a rack, a gear shaft, a circuit board and a speed reduction assembly, the valve port sealing gasket is positioned at an air inlet in the valve body, one side of the cover body in the cavity below the air inlet is provided with an air outlet, the valve port sealing gasket is arranged on the valve port support, the rack of the valve port support is meshed with the gear, the gear is meshed with a pinion at the motor shaft at one end of a motor of the speed reduction assembly, the outer diameter of the rack in the cavity is provided with a spring, the spring is abutted against the inner wall. The spring end in the cover body is sleeved into the outer diameter of the lower sleeve opening in the cavity at the buckling position of the lower cover and the upper cover, the valve port sealing gasket is pressed against the valve port support, when pressure exists, the valve port sealing gasket is forced to deform and then is tightly attached to the valve port support, the leakage problem is not easy to occur, the torsion of the speed reduction assembly can be reduced, the power consumption is saved, meanwhile, the top of the valve port sealing gasket is provided with reinforcing ribs distributed in the center, and the center of the top of the sealing gasket is upwards protruded.
The gear comprises two double-ring gears in a group, the diameter of one side of each double-ring gear is smaller than that of the other side of each double-ring gear, the small-diameter gear on one side of each double-ring gear of one gear shaft is respectively meshed with the large-diameter gear on one side of each double-ring gear of the other gear shaft below the gear shaft, the small-diameter gear of one of the double-ring gears below the gear shaft is meshed with the small gear at the motor shaft at one end of the motor of the speed reducing assembly, and the large-diameter gears of the four double-ring gears are meshed. Thereby further reducing the axial height and improving the guiding stability of the rack.
The edge opening below the valve port O-shaped ring of the valve body is provided with a raised buckle, the outer diameter of the sleeve opening on the top of the cover body is provided with a boss, and when the sleeve opening on the top of the cover body is sleeved in the valve body, the buckle of the valve body is fixed on the boss of the cover body through rotation. The specific structure for fixing the valve body and the cover body is described above.
The cover body comprises a lower cover and an upper cover, the air outlet is positioned on one side of the upper cover and one side of the lower cover above the speed reduction assembly, the lower cover is positioned on the other side of the upper cover below the upper looping, the speed reduction assembly is arranged at the bottom in the cover body, and the circuit board is positioned in the cover body on one side of the speed reduction assembly. The above is a specific structure of the cover body.
And one side of the rack in the cover body is provided with a side groove, and a cylinder on one side of the upper cover in the cavity is positioned in the side groove of the rack. Thereby being convenient for improve the direction stability of rack.
The outer diameter side of the valve body is provided with a valve hole, a valve port O-shaped ring corresponding to the valve hole is provided with a ring hole, a flat wire respectively penetrates through the valve hole of the valve body and the ring hole of the valve port O-shaped ring, and plate hole pieces of the cover body and the circuit board in the cover body are connected with a motor of the speed reducing assembly. Thereby facilitating assembly of the flat wire and assembly of the microvalve.
The circuit board is provided with a magnetic Hall element, and one side of the valve port bracket or the rack corresponding to the magnetic Hall element is provided with magnetic steel. Therefore, the circuit board receives the in-place signal after the valve port bracket or the rack is in place.
The valve sleeve opening outer diameter at the air inlet at the top of the valve body is symmetrically provided with raised L-shaped clamping plates, the outer diameter of the valve body is provided with a backup plate higher than the outer diameters of the valve body and the cover body, and the outer side of the backup plate is a straight line edge. Thereby facilitating installation of the microvalve.
The rack is eccentrically arranged on one side in the cavity. According to the position of the backup plate of the valve body, the rack is eccentrically arranged in the cavity on one side of the backup plate.
The invention has reasonable structural design, convenient use, installation and production, large and stable torsion, small volume occupation and simple wiring; the intelligent micro valve is suitable for being used as an intelligent micro valve in a gas meter and improving the structure of similar products.
Drawings
Fig. 1 is a schematic diagram of an explosive structure of the present invention.
FIG. 2 is a schematic top view of the present invention, taken at section A-A.
Fig. 3 is a schematic sectional structure view a-a of fig. 2.
Figure number and name: 1. the valve comprises a valve body, 101, a buckle, 102, a valve belt hole, 103, an L-shaped clamping plate, 104, a backup plate, 2, a valve port O-shaped ring, 201, a ring belt hole, 3, a valve port sealing gasket, 4, a valve port support, 5, a spring, 6, a rack, 601, a side groove, 7, a lower cover, 701, a boss, 8, a gear, 9, a gear shaft, 10, an upper cover, 11, a circuit board, 12, a speed reduction component, 13, a flat line, 14, an air outlet, 15 and an air inlet.
Detailed Description
The construction and use of the invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-3, the rack 6 in the valve body 1 of the microvalve drives the valve port sealing gasket 3 to move up and down by the motor, and the specific structure is as follows: the outer diameter of the valve body is provided with a valve port O-shaped ring 2, a valve port sealing gasket is arranged in a cavity formed by buckling the valve body and the cover body, a valve port support 4, a spring 5, a rack 6, a gear 8, a gear shaft 9, a circuit board 11 and a speed reduction assembly 12, the valve port sealing gasket is positioned at an air inlet 15 in the valve body, an air outlet 14 is arranged at one side of the cover body in the cavity below the air inlet, the valve port sealing gasket is arranged on the valve port support, a rack of the valve port support is meshed with the gear, the gear is meshed with a pinion at the motor shaft at one end of a motor of the speed reduction assembly, the outer diameter of the rack in the cavity is provided with the spring, the.
The gear comprises two double-ring gears which are arranged in a group, the diameter of one side of each double-ring gear is smaller than that of the other side of each double-ring gear, the small-diameter gear on one side of each double-ring gear of one gear shaft is respectively meshed with the large-diameter gear on one side of each double-ring gear of the other gear shaft below, the small-diameter gear of one of the double-ring gears below is meshed with the small gear at the motor shaft at one end of the motor of the speed reducing assembly, and the large-diameter gears of the four double-ring gears are meshed with the outer. The bellied buckle 101 is equipped with to valve port O type circle below bead of valve body, and the looping department external diameter is equipped with boss 701 on the top of lid, and when the top looping of lid emboliaed the valve body, the buckle of valve body was fixed in the boss of lid through the rotation.
The cover body comprises a lower cover 7 and an upper cover 10, the air outlet is positioned on one side of the upper cover and one side of the lower cover above the speed reduction assembly, the lower cover is positioned on the other side of the upper cover below the upper looping, the speed reduction assembly is arranged at the bottom in the cover body, and the circuit board is positioned in the cover body on one side of the speed reduction assembly. A side groove 601 is formed in one side of the rack in the cover body, and a cylinder on one side of the upper cover in the cavity is positioned in the side groove of the rack; one end of a spring in the cover body is sleeved into the outer diameter of a lower sleeve opening in a cavity at the buckling position of the lower cover and the upper cover. One side of the outer diameter of the valve body is provided with a valve hole 102, a valve port O-shaped ring corresponding to the valve hole is provided with a ring hole 201, a flat wire respectively penetrates through the valve hole of the valve body and the ring hole of the valve port O-shaped ring, and plate hole pieces of the cover body and the circuit board in the cover body are connected with a motor of the speed reducing assembly. The circuit board is provided with a magnetic Hall element, and one side of the valve port bracket or the rack corresponding to the magnetic Hall element is provided with magnetic steel. The air inlet department valve sleeve mouth external diameter symmetry at valve body top is equipped with bellied L type cardboard 103, and the external diameter of valve body is equipped with the backup plate 104 that exceeds valve body and lid external diameter, and the outside of backup plate is the straight line limit.
The micro valve has the following advantages: 1. the valve port sealing gasket is fixed with the valve port support and is embedded on the end face of the valve port support, and the valve port support is matched with the rack; 2. the speed reduction assembly and the rack are reversely meshed through the gear, and the speed reduction assembly and the valve body are installed in a reverse mode; 3. a circuit board is arranged in the cavity of the connecting frame, the circuit board is provided with a magnetic Hall element, and the valve port support is provided with magnetic steel, so that an in-place signal is generated when the valve is opened and closed; 4. when the rack pushes the valve port sealing gasket of the valve port support to seal, the spring props against the valve port support to prevent loosening; 5. the rigidity of the reinforcing rib of the valve port sealing gasket is enhanced; 6. a small motor is adopted, and the flat wire penetrates out of the motor, is connected with the circuit board, penetrates out of the interior of the cover body, then penetrates through the valve port O-shaped ring and penetrates out of the valve body; 7. the bow-shaped buckle of the valve body is aligned with the boss of the cover body in a positioning way and is locked in a rotating way.
When the valve is closed: the gear is driven by the speed reduction assembly and drives the rack assembly to rotate and guide the valve port support to move upwards, so that the valve closing function is realized; when the valve is opened: the gear is driven by the speed reduction assembly, and the gear drives the rack assembly to rotate and guide the valve port support to move downwards, so that the valve closing function is realized.
In conclusion, the micro valve aims to solve the problems that the conventional similar products can cause insufficient torsion of a speed reducing assembly due to increase of air pressure to generate air leakage and cause higher power consumption when in use. The speed reduction assembly of the micro valve rotates 180 degrees, and then the gear is matched with the rack, so that a lot of space can be saved in the axial height, and the assembly is convenient; meanwhile, the valve port sealing gasket is embedded on the valve body, the pressure of the air inlet is high when the valve is closed, and the sealing performance is better.
Claims (9)
1. An intelligent micro valve, a rack (6) in a valve body (1) of the micro valve drives a valve port sealing gasket (3) to move up and down through a motor, the intelligent micro valve is characterized in that the outer diameter of the valve body (1) is provided with a valve port O-shaped ring (2), a cavity formed by buckling the valve body and a cover body is internally provided with the valve port sealing gasket (3), a valve port support (4), a spring (5), the rack (6), a gear (8), a gear shaft (9), a circuit board (11) and a speed reduction component (12), the valve port sealing gasket is positioned at an air inlet (15) in the valve body, one side of the cover body in the cavity below the air inlet is provided with an air outlet (14), the valve port sealing gasket is arranged on the valve port support, the rack of the valve port support is meshed with the gear, the gear is meshed, the center of the valve port sealing gasket protrudes towards one side of the air inlet at the top of the valve body.
2. The intelligent microvalve of claim 1, wherein said gears (8) comprise a set of two double ring gears, one side of the double ring gears has a smaller diameter than the other side, one side of the two double ring gears of one gear shaft (9) has a smaller diameter gear engaged with one side of the two double ring gears of the other gear shaft below, the smaller diameter gear of one of the two lower ring gears is engaged with a pinion at a motor shaft of one end of the motor of the speed reduction assembly (12), and the larger diameter gears of the four double ring gears are engaged with the outer diameter teeth of the rack (6).
3. The intelligent micro valve according to claim 1, wherein a raised buckle (101) is provided at the lower edge of the valve port O-ring (2) of the valve body (1), a boss (701) is provided at the outer diameter of the top upper sleeve of the cover body, and the buckle of the valve body is fixed to the boss of the cover body by rotation while the top sleeve of the cover body is sleeved into the valve body.
4. The intelligent microvalve of claim 1, wherein the cover body comprises a lower cover (7) and an upper cover (10), the air outlet (14) is located on one side of the upper cover and the lower cover above the speed reduction assembly (12), the lower cover is located on the other side of the upper cover below the upper looping, the speed reduction assembly is disposed on the inner bottom of the cover body, and the circuit board (11) is located in the cover body on one side of the speed reduction assembly.
5. The intelligent microvalve of claim 4, wherein the side of the rack (6) in the cover body is provided with a side groove (601), and the cylinder on the side of the upper cover (10) in the cavity body is positioned in the side groove of the rack.
6. The intelligent micro valve according to claim 1, wherein one side of the outer diameter of the valve body (1) is provided with a valve hole (102), the valve port O-ring (2) corresponding to the valve hole is provided with a ring hole (201), the flat wire (13) passes through the valve hole of the valve body and the ring hole of the valve port O-ring respectively, and the plate hole members of the cover body and the circuit board (11) in the cover body are connected with the motor of the speed reduction assembly (12).
7. The intelligent micro-valve according to claim 1, wherein the circuit board (11) is provided with a magnetic hall element, and magnetic steel is provided on one side of the valve port bracket (4) or the rack (6) corresponding to the magnetic hall element.
8. The intelligent micro valve according to claim 1, wherein the valve pocket has a raised L-shaped snap-gauge (103) with symmetrical outer diameter at the air inlet (15) at the top of the valve body (1), the valve body has a backup plate (104) with a higher outer diameter than the valve body and the cover body, and the backup plate has a straight edge at the outer side.
9. The intelligent microvalve of claim 1, wherein said rack (6) is eccentrically disposed on one side within said cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110259786.9A CN113090814B (en) | 2021-03-10 | 2021-03-10 | Intelligent miniature valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110259786.9A CN113090814B (en) | 2021-03-10 | 2021-03-10 | Intelligent miniature valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113090814A true CN113090814A (en) | 2021-07-09 |
| CN113090814B CN113090814B (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110259786.9A Active CN113090814B (en) | 2021-03-10 | 2021-03-10 | Intelligent miniature valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN113090814B (en) |
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| CN206988518U (en) * | 2017-07-19 | 2018-02-09 | 成都中科智成科技有限责任公司 | A kind of worm gas meter, flow meter dedicated built-in valve |
| CN207554799U (en) * | 2017-10-19 | 2018-06-29 | 乐清杰奔电子有限公司 | A kind of gas meter motor valve |
| CN111022731A (en) * | 2019-11-14 | 2020-04-17 | 慈溪凯业电器有限公司 | Intelligent civil gas meter actuator |
| CN211820946U (en) * | 2019-12-09 | 2020-10-30 | 韩科备 | Intelligent gas meter instant closing motor valve |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6254058B1 (en) * | 2000-04-25 | 2001-07-03 | Eaton Corporation | Spring returning a rotary valve with a differential planetary drive |
| CN101166834A (en) * | 2005-04-30 | 2008-04-23 | 柳在泉 | Bio-disc, bio-driver apparatus, and assay method using the same |
| CN101424351A (en) * | 2008-11-28 | 2009-05-06 | 南京依科机电科技有限公司 | Pressure relief valve |
| CN201318497Y (en) * | 2008-12-08 | 2009-09-30 | 郑龙永 | Gas meter electrical controlled valve for rapidly closing the valve |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113090814B (en) | 2023-06-23 |
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