CN105546187A - Built-in flow control mechanism of gas meter - Google Patents
Built-in flow control mechanism of gas meter Download PDFInfo
- Publication number
- CN105546187A CN105546187A CN201511011578.8A CN201511011578A CN105546187A CN 105546187 A CN105546187 A CN 105546187A CN 201511011578 A CN201511011578 A CN 201511011578A CN 105546187 A CN105546187 A CN 105546187A
- Authority
- CN
- China
- Prior art keywords
- flow control
- built
- control mechanism
- gas meter
- cylinder
- 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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Classifications
-
- 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
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
- F16K31/52408—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention provides a built-in flow control mechanism of a gas meter and relates to the technical field of gas meters. The main body of the built-in flow control mechanism is a cylinder provided with a horn-shaped opening. The horn-shaped opening end is in seal connection with a butterfly-shaped sealing piece. A lifting wheel is rotatably connected with the lower portion of the cylinder. The lifting wheel is provided with a spiral oblique face which serves as a lifting rail. The lifting wheel is connected with a driving motor through an arranged gear set. An inverted-T-shaped lifting shaft is inserted into the cylinder. A throttling sealing piece is connected to the upper end of the lifting shaft. The lower portion of the lifting shaft attaches to the lifting rail tightly. By the adoption of the built-in flow control mechanism, the technical problems that in the prior art, the control structure of a switch valve of a gas meter is large, a sealing piece is prone to being damaged and losing efficacy, and potential safety hazards exist are solved. The built-in flow control mechanism has the beneficial effects that the functions of flow transmission control, flow switch in-place detection and structure sealing are integrated, the structure is compact and reasonable, the number of parts is small, the assembling technique is simple, the production cost is reduced, and the efficiency is improved; the size of the gas meter is reduced, and flow control is reliable; damage to the sealing piece is low, and the potential safety hazards are eliminated.
Description
Technical field
The present invention relates to gas meter technical field, especially relate to a kind of control structure of gas meter switch valve.
Background technique
Along with growth in the living standard, the auxiliary facility of people to life also has further requirement.Gas meter is a kind of mandatory combustion gas trade settlement record chart, and people to have risen to from accurate measurement originally, use safety to its requirement that volume small occupied space is few, intelligent meter reading is easy to use.Chinese patent Authorization Notice No. CN202451931U, authorized announcement date on September 26th, 2012, name is called the utility model patent of " electric performance device for Special motor valve for intelligent gas meter control ", provides a kind of electric performance device of gas meter motor valve.It comprises mangetic core assembly, return springs and driving mechanism; The valve plug opening and closing mouth for shutoff valve pocket that mangetic core assembly comprises valve rod, is vertically set on the position-limited shaft of valve stem tip, is arranged on valve rod bottom; Driving mechanism comprises helical orbit circle, is provided with the bounding means of slide opening, gear-driven assembly, drive motor, the driven gear that gear-driven assembly comprises the driving gear be arranged on drive motor output shaft, driving gear and is set on valve rod, helical orbit circle is fixedly installed on driven gear; The slide opening of bounding means and valve rod central shaft are to be arrangeding in parallel, and position-limited shaft is arranged in described bounding means slide opening away from one end of valve rod, and the top margin top of helical orbit loop limit wall is pressed in the middle part of position-limited shaft.During valve opening, driven gear is also in valve opening state after coordinating position-limited shaft locking that motor cuts out; During valve closing, first motor action will remove the locking state that driven gear coordinates with position-limited shaft, then could cut-off valve.This structure, due to needs valve opening retaining mechanism, makes whole actuating device volume ratio comparatively large, can only be arranged on outside gas meter base table shell.In addition, this structure has acted on traditional design, is namely played by the rubber seal of corrugated tube shape between valve rod and valve plug and stops combustion gas to enter control mechanism.Because gas meter switch valve is very frequently, like this, the rubber seal of corrugated tube shape is also frequently elongated and shrinks, and causes Sealing easily to damage inefficacy, there is potential safety hazard.
Summary of the invention
Control huge structure and take user's space, Sealing in order to solve gas meter switch valve in prior art and easily damage to lose efficacy and there is the technical problem of potential safety hazard, the invention provides the built-in flow control mechanism of a kind of gas meter, gas meter volume is reduced to reach, flow control is more reliable, reduces the object of potential safety hazard.
Technological scheme of the present invention is: the built-in flow control mechanism of a kind of gas meter, it comprises main body, main body is provided with the cylinder of flare openings, flare openings end is sealedly connected with butterfly Sealing, and be rotatably connected below cylinder lifting wheel, and lifting wheel is provided with spiral helicine inclined-plane for promoting track, lifting wheel is connected with drive motor by the gear train arranged, cylinder is inserted with the lift shaft of inverted T-shaped, and lift shaft upper end is connected with throttling Sealing, and lift shaft bottom is adjacent to lifting track.Drive motor rotates lifting wheel by gear train, and throttling Sealing and combustion gas valve port are opened or closed by lift shaft by lifting wheel, and flow control is reliable.Compact structure, number of spare parts is few, low cost of manufacture.Sealing damages with contraction without frequent elongation, eliminates safe hidden trouble.
As preferably, main body bottom of cylinder is connected with pipe, and pipe top is inserted in cylinder and is socketed with spring, and pipe bottom is stretched out outer at the bottom of cylinder and lifting wheel and is socketed.
As preferably, body seal is connected with body cover, and body cover is provided with slideway, and lift shaft embeds slideway; Ensure that lift shaft can only move up and down, can not rotate, guarantee that switch valve is reliable.
As preferably, body cover outside is provided with hall detection component storehouse, and hall detection component storehouse is provided with cross draw-in groove; Hall detection component is facilitated to install.
As preferably, promote track and be provided with magnet steel storehouse, magnet steel storehouse is corresponding with hall detection component storehouse.
As preferably, lift shaft is connected with spring limiting part, and spring limiting part spring end crimps.
As preferably, promote track two ends and be respectively equipped with valve opening and stop face and valve closing stops face, valve opening stops face and valve closing and stops face and be plane and vertical with lifting wheel medial axis.
Compared with prior art, the invention has the beneficial effects as follows: integrate the transmission of control flow, flow switch puts detection, sealing structure in place, compact structure is reasonable, the few quality of processing of part easily controls, assembly technology is simple, reduces cost of production, enhances productivity.Reduce gas meter volume, flow control is more reliable.Sealing damages with contraction without frequent elongation, eliminates safe hidden trouble.
Accompanying drawing explanation
Accompanying drawing 1 is connection diagram of the present invention;
Fig. 2 is agent structure schematic diagram;
Fig. 3 is lifting wheel axonometric drawing;
Fig. 4 is body cover schematic internal view;
Fig. 5 is body cover appearance schematic diagram.
In figure: 1-throttling Sealing; 2-Sealing; 3-lift shaft; 4-main body; 5-lifting wheel; 6-body cover; 7-gear train; 8-drive motor; 9-mechanism adpting flange part; 31-spring limiting part; 41-spring; 42-pipe; The tested table temperature transmitter of 51-; 52-promotes track; 61-hall detection component storehouse; 62-slideway; 521-valve closing stops face; 522-valve opening stops face; 523-magnet steel storehouse.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment 1:
As illustrated in fig. 1 and 2, the built-in flow control mechanism of a kind of gas meter, it comprises main body 4.Main body 4 left part is cylinder, and the top of cylinder is flare openings.Main body 4 right part is motor rack, and motor rack is fixed with drive motor 8.Gear train 7 is provided with between cylinder and motor rack.Main body 4 bottom of cylinder is connected with pipe 42, and pipe 42 top is inserted in cylinder and is socketed with spring 41.Pipe 42 outer wall, bottom of cylinder and cylinder inner wall form spring storehouse, and spring 41 is located in spring storehouse.Spring 41 is stage clip, and lower end crimps with bottom of cylinder.Pipe 42 bottom is stretched out outside at the bottom of cylinder.Main body 4 flare openings end is sealedly connected with mechanism's adpting flange part 9.Vent is established to be communicated with gas meter valve port (not shown) in mechanism's adpting flange part 9.Main body 4 flare openings end is sealedly connected with butterfly Sealing 2.Sealing 2 cylindrical is by mechanism's adpting flange part 9 and main body 4 press seal.Main body 4 cylinder is plugged with the lift shaft 3 of inverted T-shaped.Lift shaft 3 top is vertical bar lower portions is horizon bar.The vertical bar of lift shaft 3 is through pipe 42, and main body 4 flare openings is stretched out on top.The top of lift shaft 3 vertical bar is connected with throttling Sealing 1.Below throttling Sealing 1, lift shaft 3 and Sealing 2 central seal are fixed.Lift shaft 31 is connected with spring limiting part 31, and spring limiting part 31 is disk, and center and lift shaft 3 vertical bar are fixed.Spring limiting part 31 is positioned at below Sealing 2.Spring limiting part 31 crimps with spring 41 upper end.Throttling Sealing 1 is round platform, and bottom is the flare openings that can fall into main body 4, and top can be connected with mechanism adpting flange part 9 vent in opening and closing.
Fig. 3 is lifting wheel axonometric drawing, and this figure is that in Fig. 1, lifting wheel upwards overturns 180 ° and illustrates, Fig. 1 explanation is pressed in the present embodiment orientation.Be rotatably connected below main body 4 cylinder lifting wheel 5.Lifting wheel 5 is socketed in pipe 42 bottom and stretches out at the bottom of cylinder and locate outward.Lifting wheel 5 top is gear, and bottom is provided with the spiral helicine inclined-plane of protruding gear plane, and this inclined-plane is for promoting track 52.The medial axis promoting track 52 circular arc overlaps with the medial axis of lifting wheel 5.The gear of lifting wheel 5 is connected with drive motor 8 by gear train 7.Promote track 52 and have two sections.Same arc length end-to-ends of two sections of lifting tracks 52 and symmetrical with the medial axis of lifting wheel 5.The two ends of every section of lifting track 52 are respectively equipped with valve closing and stop face 521 and valve opening stop face 522.Valve closing stops face 521 and valve opening and stops face 522 and be plane and vertical with lifting wheel 5 medial axis.Lift shaft 3 is adjacent to lifting track 52.The medial axis of lift shaft 3 vertical bar overlaps with the medial axis of lifting wheel 5.Valve closing stops face 521 and valve opening stops the length in face 522 and the equal diameters of lift shaft 3 horizon bar.It is rotatable that lift shaft 3 horizon bar againsts lifting track 52 surface centered by the medial axis of lift shaft 3 vertical bar.Every section of lifting track 52 is provided with magnet steel storehouse 523.Magnet steel storehouse 523 is positioned at valve opening and stops above face 522.Magnet steel is fixed with in magnet steel storehouse 523.
As shown in Figures 4 and 5, main body 4 is sealedly connected with body cover 6.The horizon bar of lift shaft 3 bottom falls in body cover 6.Body cover 6 is provided with slideway 62.Be provided with cylinder in body cover 6, cylinder embeds and promotes track 52 inner circle.Slideway 62 is consistent with cylinder medial axis by body diameter depth direction.The horizon bar equal diameters of slideway 62 width and lift shaft 3, the degree of depth is equal with the height fall promoting track 52.The horizon bar of lift shaft 3 embeds slideway 62.Body cover 6 outside is provided with hall detection component storehouse 61.Hall detection component storehouse 61 is one, and hall detection component storehouse 61 is provided with cross draw-in groove.Hall detection component is provided with in cross draw-in groove.Hall detection component is strip, and length direction is consistent with direction, lifting wheel medial axis.
Need ventilation: drive motor 8 rotates, power, by gear train 7, passes to lifting wheel 5.Lifting wheel 5 rotates, and the horizon bar of lift shaft 3 leaves valve closing stop face 521 and declines in slideway 62 along lifting track 52.Lift shaft 3 vertical bar pulls throttling Sealing 1 to move down, because spring 41 acts on throttling Sealing 1 steadily decorporation adpting flange part 9 vent.Lifting wheel 5 continues to rotate, when the horizon bar of lift shaft 3 enters valve opening stop face 522, magnet steel is detected by hall detection component, and drive motor 8 quits work, throttling Sealing 1 stays open state, and combustion gas exports to user from mechanism's adpting flange part 9 vent above Sealing 2.Needs are died: drive motor 8 rotates backward, lifting wheel 5 counterrotating, and the horizon bar of lift shaft 3 leaves valve opening and stops face 522.When magnet steel can not be detected by hall detection component, drive motor 8 is closed, and stops Power output.Because spring 41 acts on, the horizon bar of lift shaft 3 rises in slideway 62 along promoting track 52 slope, and lift shaft 3 vertical bar promotes throttling Sealing 1 and moves up.Stop face 521 when lift shaft 3 horizon bar enters valve closing, lifting wheel 5 stops the rotation, and throttling Sealing 1 and vent are adjacent to, and under spring 41 acts on, throttling Sealing 1 and mechanism's adpting flange part 9 vent seal, cut off combustion gas.
Claims (8)
1. the built-in flow control mechanism of gas meter, it comprises main body (4), it is characterized in that: described main body (4) is provided with the cylinder of flare openings, flare openings end is sealedly connected with butterfly Sealing (2), be rotatably connected below cylinder lifting wheel (5), lifting wheel (5) is provided with spiral helicine inclined-plane for promoting track (52), lifting wheel (5) is connected with drive motor (8) by the gear train (7) arranged, described cylinder is inserted with the lift shaft (3) of inverted T-shaped, lift shaft (3) upper end is connected with throttling Sealing (1), lift shaft (3) bottom is adjacent to lifting track (52).
2. the built-in flow control mechanism of gas meter according to claim 1, it is characterized in that: described main body (4) bottom of cylinder is connected with pipe (42), pipe (42) top is inserted in cylinder and is socketed with spring (41), and pipe (42) bottom is stretched out outside at the bottom of cylinder and lifting wheel (5) is socketed.
3. the built-in flow control mechanism of gas meter according to claim 1, is characterized in that: described main body (4) is sealedly connected with body cover (6), and body cover (6) is provided with slideway (62), and described lift shaft (3) embeds slideway (62).
4. the built-in flow control mechanism of gas meter according to claim 3, is characterized in that: described body cover (6) outside is provided with hall detection component storehouse (61), and hall detection component storehouse (61) are provided with cross draw-in groove.
5. the built-in flow control mechanism of the gas meter according to claim 1 or 4, is characterized in that: promote track (52) and be provided with magnet steel storehouse (523), magnet steel storehouse (523) are corresponding with hall detection component storehouse (61).
6. the built-in flow control mechanism of gas meter according to claim 1 and 2, is characterized in that: lift shaft (3) is connected with spring limiting part (31), and spring limiting part (31) crimps with spring (41) end.
7. the built-in flow control mechanism of gas meter according to claim 1, it is characterized in that: promote track (52) two ends and be respectively equipped with valve closing and stop face (521) and valve opening stops face (522), valve closing stop face (521) and valve opening stop face (522) with lifting wheel (5) medial axis vertical for plane.
8. the built-in flow control mechanism of gas meter according to claim 5, it is characterized in that: promote track (52) two ends and be respectively equipped with valve closing and stop face (521) and valve opening stops face (522), valve closing stop face (521) and valve opening stop face (522) with lifting wheel (5) medial axis vertical for plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011578.8A CN105546187B (en) | 2015-12-30 | 2015-12-30 | Flow control mechanism built in gas meter, flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011578.8A CN105546187B (en) | 2015-12-30 | 2015-12-30 | Flow control mechanism built in gas meter, flow meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105546187A true CN105546187A (en) | 2016-05-04 |
| CN105546187B CN105546187B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511011578.8A Active CN105546187B (en) | 2015-12-30 | 2015-12-30 | Flow control mechanism built in gas meter, flow meter |
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| Country | Link |
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| CN (1) | CN105546187B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465710A (en) * | 2021-07-02 | 2021-10-01 | 上海飞奥燃气设备有限公司 | Diaxon gas table pendulous device and measurement detection device thereof |
| CN114215923A (en) * | 2021-12-17 | 2022-03-22 | 油威力液压科技股份有限公司 | High-flow plug-in electro-hydraulic servo valve with valve core in combination of horizontal rotation |
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| US20150048269A1 (en) * | 2013-08-14 | 2015-02-19 | Chengdu Qinchuan Technology Development Co., Ltd. | Bidirectional blockage-free gear-driven shutoff valve for gas meter purpose |
-
2015
- 2015-12-30 CN CN201511011578.8A patent/CN105546187B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672388Y (en) * | 2003-10-16 | 2005-01-19 | 吕文孝 | Combustible gas control check valve |
| CN201437847U (en) * | 2009-05-14 | 2010-04-14 | 浙江威星智能仪表股份有限公司 | Built-in motor valve arranged at inner part of commercial gas meter |
| CN201593612U (en) * | 2010-01-19 | 2010-09-29 | 杭州先锋电子技术股份有限公司 | Double seal structure of built-in valve inner cavity of intelligent gas meter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465710A (en) * | 2021-07-02 | 2021-10-01 | 上海飞奥燃气设备有限公司 | Diaxon gas table pendulous device and measurement detection device thereof |
| CN113465710B (en) * | 2021-07-02 | 2022-07-29 | 上海飞奥燃气设备有限公司 | Gas table measurement performance detects frock |
| CN114215923A (en) * | 2021-12-17 | 2022-03-22 | 油威力液压科技股份有限公司 | High-flow plug-in electro-hydraulic servo valve with valve core in combination of horizontal rotation |
| CN114215923B (en) * | 2021-12-17 | 2024-04-12 | 油威力液压科技股份有限公司 | Large-flow plug-in electrohydraulic servo valve with valve core combined in horizontal rotation mode |
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| Publication number | Publication date |
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| CN105546187B (en) | 2018-01-19 |
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Address after: 325600 Yueqing Economic Development Zone, Wenzhou, No. seventeen weft Road No. 261, Zhejiang Applicant after: Limited by Share Ltd group Address before: 325600 Yueqing Economic Development Zone, Wenzhou, No. seventeen weft Road No. 261, Zhejiang Applicant before: GoldCard High Technology Co., Ltd. |
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