CN110805731B - A wide flow safety type intelligent gas meter motor valve - Google Patents
A wide flow safety type intelligent gas meter motor valve Download PDFInfo
- Publication number
- CN110805731B CN110805731B CN201911198478.9A CN201911198478A CN110805731B CN 110805731 B CN110805731 B CN 110805731B CN 201911198478 A CN201911198478 A CN 201911198478A CN 110805731 B CN110805731 B CN 110805731B
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- China
- Prior art keywords
- motor
- valve
- valve body
- gear
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000009467 reduction Effects 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 32
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a wide-flow safety intelligent gas meter motor valve which comprises a valve body, a mounting bracket, a motor, a gear set, a transmission screw and a transmission nut, wherein the valve body is provided with an air inlet and an air outlet, a sealing element is movably arranged in the valve body through a spring, the mounting bracket is arranged outside the valve body and connected with the valve body, the motor, the gear set, the transmission screw and the transmission nut are arranged on the mounting bracket, and the motor drives the transmission screw to rotate through the gear set so as to drive the transmission nut to reciprocate along the axial direction of the transmission screw, so that the sealing element is in opening and closing fit with the air outlet. The valve body is arranged in an isolated manner with the mounting bracket for mounting the motor, so that the valve is safer and more reliable to use.
Description
Technical Field
The invention belongs to the technical field of motor valves of gas meters, and particularly relates to a wide-flow safety intelligent motor valve of a gas meter.
Background
The intelligent gas meter generally adopts a motor valve as an actuating mechanism to control the opening and closing of the gas meter. The structure of the current common intelligent gas meter motor valve mainly comprises a valve body, a valve seat, a valve cover, a motor, a reduction gear set, a screw rod, a nut and a sealing cover, wherein the valve body is fixedly connected with the valve seat through the valve cover, the motor and the reduction gear set are correspondingly arranged in the valve seat, the top end of the screw rod is in transmission connection with the sealing cover through the nut, the bottom end of the screw rod penetrates through the valve cover and is in transmission connection with the reduction gear set, and the top of the valve body is provided with a valve port corresponding to the sealing cover. When the valve is in operation, the motor drives the screw rod to rotate through the reduction gear set, so that the screw rod and the nut relatively move, and the sealing cover is driven to move along the axial direction of the screw rod, so that the effect of controlling the valve port to be opened and closed is achieved.
See patent number 201721146419.3's chinese patent, it discloses a gas table motor valve, this motor valve's sealed cowling structure as an organic whole, sealed cowling upper end and gas outlet cooperation are used for opening and close of gas outlet, sealed cowling lower extreme is fixed to be set up and is used for sealed gear box in reduction gear box, this kind of integral type sealed cowling one end is fixed, the other end moves along with the screw rod, thereby it opens and close once to lead to the valve, the sealed cowling will stretch out and draw back thereupon once, make the sealed cowling be in the flexible state for a long time and easily cause the damage, influence its life, and because sealed cowling shape, the change of volume produces malleation, negative pressure when the sealed cowling is opened and shut moreover, make the resistance change, thereby influence to the valve action. In order to solve the problem, see chinese patent number 201821222095.1, it discloses a gas table motor valve, the sealed cowling of this motor is split structure, when the valve is closed, the motor drives the screw rod through drive gear assembly and rotates, the screw rod rotates and makes the nut remove relative screw rod, the nut removes and drives first sealing member and remove to gas outlet department and the airtight cooperation of gas outlet, thereby shutoff the gas outlet, when the valve was opened, the motor passes through drive gear assembly and drives the screw rod rotation, the screw rod rotates and makes the nut remove relative screw rod, the nut removes and drives first sealing member and remove to keeping away from gas outlet department, thereby make the gas outlet open, first sealing member and second sealing member mutually noninterfere, the life of first sealing member and second sealing member has been guaranteed, moreover, first sealing member is difficult for taking place deformation, can not exert an influence to the valve action.
However, in the above-mentioned existing gas meter motor valve, the motor, the gear box, the driving screw and the driving nut are isolated from the valve cavity of the valve body by the sealing bag, no matter whether the air outlet of the valve body is closed or not, the driving nut is always located in the valve cavity of the valve body, and the mounting parts of the motor and the gear set are integrated with the valve body, if the sealing between the sealing bag and the driving nut is broken, the use safety problem of the gas meter may be caused, so that the improvement of the valve body structure of the existing gas meter motor valve is necessary.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the wide-flow safety type intelligent gas meter motor valve, wherein the valve body of the motor valve is isolated from a mounting bracket for mounting a motor, so that the motor valve is safer and more reliable to use.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows.
The motor valve for the wide-flow safe intelligent gas meter comprises a valve body, a mounting bracket, a motor, a gear set, a driving screw and a driving nut, wherein the valve body is provided with an air inlet and an air outlet, a sealing element is movably arranged in the valve body through a spring, the mounting bracket is arranged outside the valve body and connected with the valve body, the motor drives the driving screw to rotate through the gear set, and the driving nut is driven to reciprocate along the axial direction of the driving screw, so that the driving nut drives the sealing element to be in opening and closing fit with the air outlet from the outer side of the valve body.
The valve body comprises a valve seat and a valve cover covered on the valve seat, the air inlet is arranged at the lower end of the valve seat, and the air outlet is arranged at the upper end of the valve cover.
Further, the sealing element comprises a movable framework and a sealing cover coated on the movable framework, and the movable framework is arranged at the position of the valve seat corresponding to the air outlet through the spring.
Preferably, the mounting bracket is provided with a motor cavity for mounting the motor and a gear cavity for mounting the gear set, the motor cavity cover is provided with a motor cover, the gear cavity cover is provided with a gear cover, and a shaft hole for a motor rotating shaft to pass through is formed in the position, which is located at the overlapping position of the motor cavity and the gear cavity, of the mounting bracket.
Further, a mounting column which is used for the transmission nut to extend out is arranged at the position of the gear cavity corresponding to the air outlet of the valve body, and a sealing bag which is in sealing fit with the transmission nut is arranged outside the mounting column.
Preferably, the gear set comprises a driving gear, a transmission gear and a reduction gear, wherein the driving gear is arranged on a motor rotating shaft, the transmission gear is meshed with the driving gear and the reduction gear respectively, and the transmission screw is arranged at the center of the reduction gear in a limiting mode.
Further, the center of the reduction gear is provided with a mounting hole, the reduction gear is provided with a stop block along the periphery of the mounting hole, the circumference of the drive screw is provided with a bump in limit fit with the stop block, and a rotating gap is reserved between the stop block and the bump.
Wherein, the installing support and valve body joint.
By adopting the technical scheme, the invention has the advantages compared with the prior art.
The motor, gear set, driving screw, driving nut and sealing cover of the prior gas meter motor valve are all arranged by depending on the valve body, so that the sealing cover and a driving component for controlling the opening and closing of the sealing cover are arranged in the valve body to be in long-term contact with gas, and are easy to be corroded by the gas, thereby causing the problem of electrical use safety. The invention improves the structure of the existing integrated valve body, and particularly, the valve body and the mounting bracket are connected into a whole in a split way, wherein the valve body is only used for mounting a sealing cover closely matched with the air outlet, and driving components such as a motor, a gear set, a transmission screw, a transmission nut and the like are integrally arranged on the mounting bracket, so that the driving components control the opening and closing of the sealing cover and the air outlet to be matched with each other from the outer side of the valve body, and when the sealing cover closes the air outlet of the valve body, the driving components are integrally positioned at the outer side of the valve body, so that the driving nut, the sealing bag and other parts are prevented from being in direct contact with fuel gas for a long time, and the motor valve of the fuel gas meter is safer and more reliable to use.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view of the assembled structure of the present invention.
Fig. 2 is a schematic exploded view of the present invention.
Fig. 3 is a schematic structural view of the mounting bracket of the present invention.
Fig. 4 is a schematic diagram of the assembly structure of the drive screw and the reduction gear of the present invention.
In the drawings, 1a valve body, 1b air outlet, 11 valve seat, 12 valve cover, 2 mounting bracket, 21 shaft hole, 22 mounting post, 23 sealing bag, 3 motor, 31 motor cover, 41 driving gear, 42 driving gear, 43 reducing gear, 431 mounting hole, 432 stopping block, 44 gear cover, 5 driving screw, 51 lug, 6 driving nut, 7 spring, 81 movable framework. 82. Sealing cover.
Detailed Description
The following description is of the preferred embodiments of the invention, and is not intended to limit the scope of the invention.
Referring to fig. 1 to 4, a wide flow safety type intelligent gas meter motor valve comprises a valve body 1, wherein an air inlet 1a and an air outlet 1b are arranged on the valve body 1, the valve body 1 comprises a valve seat 11 and a valve cover 12 covered on the valve seat 11, the air inlet 1a is arranged at the lower end of the valve seat 11, the air outlet 1b is arranged at the upper end of the valve cover 12, the air inlet 1a and the air outlet 1b are arranged in a staggered manner, so that an anti-theft effect can be achieved, meanwhile, a gas channel has a wider flow section, and the pressure loss of gas flowing through the valve body 1 can be reduced.
The valve body 1 is movably provided with a sealing member through a spring 7, the sealing member comprises a movable framework 81 and a sealing cover 82 coated on the movable framework 81, the movable framework 81 is arranged at the position of the valve seat 11 corresponding to the air outlet 1b through the spring 7, and in a conventional state, the sealing cover 82 is abutted to the air outlet 1b of the valve body 1 by the elastic force of the spring 7 so as to close the air outlet 1 b.
The valve body 1 is characterized by further comprising a mounting bracket 2 which is arranged outside the valve body 1 and connected with the valve body 1, and the mounting bracket 2 is clamped with the valve body 1 into a whole. The motor 3, the gear set, the driving screw 5 and the driving nut 6 are installed on the installation support 2, specifically, the installation support 2 is provided with a motor cavity for installing the motor 3 and a gear cavity for installing the gear set, a motor cavity cover is provided with a motor cover 31, the gear cavity cover is provided with a gear cover 44, and a shaft hole 21 for a rotating shaft of the motor 3 to pass is arranged at a position, overlapped with the motor cavity, on the installation support 2. The gear set comprises a driving gear 41, a transmission gear 42 and a reduction gear 43, wherein the driving gear 41 is arranged on the rotating shaft of the motor 3, and the transmission gear 42 is respectively meshed with the driving gear 41 and the reduction gear 43.
The center of the reduction gear 43 is provided with a mounting hole 431, the reduction gear 43 is provided with a stop 432 along the periphery of the mounting hole 431, the driving screw 5 extends out of the reduction gear 43 from the mounting hole 431, wherein the driving screw 5 and the motor 3 are positioned on the same side of the mounting bracket 2, the assembly space of the mounting bracket 2 can be reduced, the position of the gear cavity corresponding to the air outlet 1b of the valve body 1 is provided with a mounting column 22 for extending out the driving nut 6, and the mounting column 22 is externally provided with a sealing bag 23 in sealing fit with the driving nut 6. The circumference of the drive screw 5 is provided with a lug 51 in limit fit with the stop block 432, a rotating gap is formed between the stop block 432 and the lug 51, the rotating gap can reduce the starting moment of the motor 3, when the motor 3 is started, only the gear set is driven to rotate at first, when the stop block 432 of the reduction gear 43 is abutted to the lug 51 of the drive screw 5, the sensor screw 5 is driven to rotate and drive the drive nut 6 to stretch out and draw back, the drive nut 6 is abutted to the sealing cover 82, and the sealing cover 82 is matched with the air outlet 1b in an opening and closing mode.
This gas table motor valve is with valve body 1 and installing support 2 components of a whole that can function independently are connected in an organic whole, wherein valve body 1 only is used for installing with airtight complex sealed lid 82 of gas outlet 1b, and with motor 3, the drive assembly integration such as gear train, drive screw 5, drive nut 6 install on installing support 2 for drive assembly controls sealed lid 82 and the opening and closing cooperation of gas outlet 1b from valve body 1 outside, when sealed lid 82 closes the gas outlet 1b of valve body 1, drive assembly wholly is located valve body 1 outside, avoid spare parts such as drive nut 6 and seal bag 23 long-term and gas direct contact, make gas table motor valve use safe and reliable more.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are therefore intended to be embraced therein.
Claims (6)
1. The motor valve of the wide-flow safety intelligent gas meter comprises a valve body (1), wherein an air inlet (1 a) and an air outlet (1 b) are formed in the valve body (1), and the motor valve is characterized in that a sealing element is movably arranged in the valve body (1) through a spring (7), the motor valve also comprises a mounting bracket (2) which is arranged outside the valve body (1) and is connected with the valve body (1), a motor (3), a gear set, a transmission screw (5) and a transmission nut (6) are arranged on the mounting bracket (2), and the motor (3) drives the transmission screw (5) to rotate through the gear set so as to drive the transmission nut (6) to reciprocate along the axial direction of the transmission screw (5);
The mounting bracket (2) is provided with a motor cavity for mounting the motor (3) and a gear cavity for mounting the gear set, the transmission screw (5) and the motor (3) are positioned on the same side of the mounting bracket (2), a mounting column (22) for extending out of the transmission nut (6) is arranged at the position of the gear cavity corresponding to the air outlet (1 b) of the valve body (1), and a sealing bag (23) in sealing fit with the transmission nut (6) is arranged outside the mounting column (22);
The sealing element comprises a movable framework (81) and a sealing cover (82) coated on the movable framework (81), the movable framework (81) is arranged at the position of the valve seat (11) corresponding to the air outlet (1 b) through the spring (7), and the transmission nut (6) is in telescopic action and is abutted to the sealing cover (82) so that the transmission nut (6) drives the sealing cover (82) to be in open-close fit with the air outlet (1 b) from the outer side of the valve body.
2. The wide-flow safety type intelligent gas meter motor valve according to claim 1, wherein the valve body (1) comprises a valve seat (11) and a valve cover (12) covered on the valve seat (11), the air inlet (1 a) is arranged at the lower end of the valve seat (11), and the air outlet (1 b) is arranged at the upper end of the valve cover (12).
3. The wide-flow safety intelligent gas meter motor valve according to claim 1, wherein the motor cavity cover is provided with a motor cover (31), the gear cavity cover is provided with a gear cover (44), and a shaft hole (21) for a rotating shaft of the motor (3) to pass through is arranged on the mounting bracket (2) at a position where the motor cavity and the gear cavity overlap.
4. The wide-flow safety intelligent gas meter motor valve according to claim 1, wherein the gear set comprises a driving gear (41), a transmission gear (42) and a reduction gear (43), the driving gear (41) is arranged on a rotating shaft of the motor (3), the transmission gear (42) is meshed with the driving gear (41) and the reduction gear (43) respectively, and the transmission screw (5) is mounted in the center of the reduction gear (43) in a limiting mode.
5. The wide-flow safety intelligent gas meter motor valve according to claim 4, wherein a mounting hole (431) is formed in the center of the reduction gear (43), a stop block (432) is arranged on the reduction gear (43) along the periphery of the mounting hole (431), a lug (51) in limit fit with the stop block (432) is arranged on the transmission screw (5) in the circumferential direction, and a rotation gap is formed between the stop block (432) and the lug (51).
6. The wide-flow safety type intelligent gas meter motor valve according to claim 1, wherein the mounting bracket (2) is clamped with the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911198478.9A CN110805731B (en) | 2019-11-29 | 2019-11-29 | A wide flow safety type intelligent gas meter motor valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911198478.9A CN110805731B (en) | 2019-11-29 | 2019-11-29 | A wide flow safety type intelligent gas meter motor valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110805731A CN110805731A (en) | 2020-02-18 |
| CN110805731B true CN110805731B (en) | 2025-01-10 |
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ID=69492095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911198478.9A Active CN110805731B (en) | 2019-11-29 | 2019-11-29 | A wide flow safety type intelligent gas meter motor valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110805731B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566010B (en) * | 2021-06-29 | 2023-11-28 | 浙江天盾阀门科技有限公司 | Motor valve with signal feedback |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435741A (en) * | 2016-05-25 | 2017-12-05 | 高磊 | No leakage air-conditioning flow control valve |
| CN108644448A (en) * | 2018-07-31 | 2018-10-12 | 宁波万诺宝通机电制造有限公司 | A kind of gas meter motor valve |
| CN211231777U (en) * | 2019-11-29 | 2020-08-11 | 宁波万诺宝通机电制造有限公司 | Wide-flow safety type intelligent gas meter motor valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160149726A (en) * | 2015-06-19 | 2016-12-28 | 미네베아 가부시키가이샤 | Valve unit |
| CN208565740U (en) * | 2018-07-31 | 2019-03-01 | 宁波万诺宝通机电制造有限公司 | A kind of gas meter motor valve |
-
2019
- 2019-11-29 CN CN201911198478.9A patent/CN110805731B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435741A (en) * | 2016-05-25 | 2017-12-05 | 高磊 | No leakage air-conditioning flow control valve |
| CN108644448A (en) * | 2018-07-31 | 2018-10-12 | 宁波万诺宝通机电制造有限公司 | A kind of gas meter motor valve |
| CN211231777U (en) * | 2019-11-29 | 2020-08-11 | 宁波万诺宝通机电制造有限公司 | Wide-flow safety type intelligent gas meter motor valve |
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| CN110805731A (en) | 2020-02-18 |
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