CN2849347Y - Self-tripping worm type electric machine valve - Google Patents
Self-tripping worm type electric machine valve Download PDFInfo
- Publication number
- CN2849347Y CN2849347Y CN 200520014714 CN200520014714U CN2849347Y CN 2849347 Y CN2849347 Y CN 2849347Y CN 200520014714 CN200520014714 CN 200520014714 CN 200520014714 U CN200520014714 U CN 200520014714U CN 2849347 Y CN2849347 Y CN 2849347Y
- Authority
- CN
- China
- Prior art keywords
- support
- worm
- shell
- outer casing
- gearwheel
- 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.)
- Expired - Fee Related
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- Mechanically-Actuated Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model relates to a self-tripping worm type electric machine valve which comprises a motor and an outer casing, wherein a shaft sleeve pinion is extended from the motor which is arranged in the outer casing, a positioning rod is vertically arranged in the outer casing, a big gear is sheathed on the positioning rod and is arranged on the pinion, the big gear is provided with a pulling tooth, a worm is inserted in the center of the big gear, a tooth groove at the upmost end of the worm is a circle of a through groove, a guide rod is vertically arranged in the outer casing, the guide rod is sheathed with a support, a guide pin is fixed on the support, the guide pin is arranged in the tooth groove of the worm, a middle cover is fixed on the outer casing, the support is penetrated through the middle cover and the top end of the support is sheathed with a rubber top plug. The utility model is matched with an intelligent gas meter, and has the advantages of good safety and high reliability.
Description
One, affiliated technical field
The utility model relates to a kind of motor valve, refers in particular to a kind of and the supporting motor valve of intelligent gas meter.
Two, background technique
Intelligent gas meter motor valve on the market at present owing to adopt worm structure, and lacks tripping mechanism, often occurs stuck or the dead phenomenon of becoming rusty, and Security, reliability are undesirable, directly influence promoting the use of of intelligent gas meter.
Three, model utility content
It is a kind of from threading off Worm type motor valve that the purpose of this utility model is to provide, and its Security is good, the reliability height.
For achieving the above object, the solution that the utility model is taked is: a kind of from threading off Worm type motor valve, it comprises motor and shell, motor stretches out the axle sleeve small gear in shell, the neutral positioning rod of shell, gearwheel cover positioning rod is placed on the small gear, has on the gearwheel to pull out tooth, and worm screw is inserted at the gearwheel center, worm screw teeth groove topmost is all grooves, the neutral guide rod of shell, support casing guide rod, guide pin are fixed on the support, guide pin is in the teeth groove of worm screw, middle cover is fixed on the shell, and support passes middle cover, cover rubber top, the top plug of support.
Key technology of the present utility model is the design of the tripper of worm screw, gearwheel.Because adopt worm structure, valve can be not stuck; Because shell, small gear, gearwheel, worm screw, support, middle cover etc. all can adopt working of plastics, get rusty never.It is used for the intelligent gas meter of built-in outer mounting structure, and Security is good, the reliability height.
Working principle of the present utility model is as follows: when electrical power, drive pinion rotation, small gear drives gearwheel, because the individual tooth that pulls out is arranged on the gearwheel, after gearwheel rotated a week, gearwheel rotated by pulling out the moving worm screw of cingulum, owing to be fixed on guide pin on the support in the teeth groove of worm screw, when worm screw is rotated, drive support and move up and down.When moving downward (pass valve), rubber top plug moves downward with support, stop motion when running into valve port (middle cover upper end), and the rubber top is plugged with certain elasticity, and therefore when the valve of ShiShimonoseki, worm screw can be not stuck.When moving upward, guide pin moves to worm screw topmost the time, because last teeth groove of worm screw is all grooves, so guide pin just moves in the groove on this, and dropout has certainly promptly been accomplished in the action on undirected, makes the motor can be not stuck.
The utility model compared with prior art has following characteristics: tight air tight when closing, during unlatching, open fixed size, and opening puts in place threads off automatically.
Four, description of drawings
Fig. 1 is the structural representation of present embodiment.
Fig. 2 is the sectional view of worm screw.
Fig. 3 is the sectional view of gearwheel.
Fig. 4 is the sectional view of rubber sleeve and rubber top plug.
Fig. 5 is the sectional view of small gear.
Fig. 6 is the sectional structure schematic representation of shell, motor, guide rod, positioning rod.
Fig. 7 is the sectional view of support and guide pin.
Among the figure: 1, shell, 2, gearwheel, 3, worm screw, 4, positioning rod, 5, support, 6, rubber sleeve, 7, rubber top plug, 8, guide pin, 9, guide rod, 10, small gear, 11, motor, 12, middle cover, 13, pull out tooth.
Five, embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is remake description.
Referring to Fig. 1-Fig. 7, a kind of from threading off Worm type motor valve, it comprises motor 11 and shell 1, motor 11 stretches out axle sleeve small gear 10 in shell 1, shell 1 neutral positioning rod 4, gearwheel 2 cover positioning rods 4 are placed on the small gear 10, have on the gearwheel 2 to pull out tooth 13, and worm screw 3 is inserted at gearwheel 2 centers, worm screw 3 teeth groove topmost is all grooves, shell 1 neutral guide rod 9, support 5 cover guide rods 9, guide pin 8 is fixed on the support 5, guide pin 8 is in the teeth groove of worm screw 3, middle cover 12 is fixed on the shell 1, and support 5 passes middle cover 12, cover rubber top, the top plug 7 of support 5.Referring to Fig. 1, Fig. 4 and Fig. 7, rubber sleeve 6 and support 5, middle cover 12 drive fits prevent that combustion gas from entering in the worm mechanism, make motor 11 not contact combustion gas, and long-term the use can not make motor 11 corrosion yet.
Claims (2)
1, a kind of from threading off Worm type motor valve, it comprises motor (11) and shell (1), it is characterized in that: motor (11) stretches out axle sleeve small gear (10) in shell (1), the neutral positioning rod of shell (1) (4), gearwheel (2) cover positioning rod (4) is placed on the small gear (10), the individual tooth (13) that pulls out is arranged on the gearwheel (2), worm screw (3) is inserted at gearwheel (2) center, worm screw (3) teeth groove topmost is all grooves, the neutral guide rod of shell (1) (9), support (5) cover guide rod (9), guide pin (8) is fixed on the support (5), and guide pin (8) is in the teeth groove of worm screw (3), and middle cover (12) is fixed on the shell (1), support (5) passes middle cover (12), the top cover rubber top plug (7) of support (5).
2, according to claim 1 a kind of from threading off Worm type motor valve, it is characterized in that: rubber sleeve (6) and support (5), middle cover (12) drive fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520014714 CN2849347Y (en) | 2005-09-04 | 2005-09-04 | Self-tripping worm type electric machine valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520014714 CN2849347Y (en) | 2005-09-04 | 2005-09-04 | Self-tripping worm type electric machine valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2849347Y true CN2849347Y (en) | 2006-12-20 |
Family
ID=37521830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520014714 Expired - Fee Related CN2849347Y (en) | 2005-09-04 | 2005-09-04 | Self-tripping worm type electric machine valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2849347Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107304851A (en) * | 2016-04-19 | 2017-10-31 | 乐清杰奔电子有限公司 | A kind of control valve suitable for gas meter, flow meter |
-
2005
- 2005-09-04 CN CN 200520014714 patent/CN2849347Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107304851A (en) * | 2016-04-19 | 2017-10-31 | 乐清杰奔电子有限公司 | A kind of control valve suitable for gas meter, flow meter |
| CN107304851B (en) * | 2016-04-19 | 2020-04-21 | 乐清杰奔电子有限公司 | Control valve suitable for gas table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061220 Termination date: 20130904 |