CN2653454Y - Pressure less loss cut-off device for card gas meter - Google Patents
Pressure less loss cut-off device for card gas meter Download PDFInfo
- Publication number
- CN2653454Y CN2653454Y CN 03266905 CN03266905U CN2653454Y CN 2653454 Y CN2653454 Y CN 2653454Y CN 03266905 CN03266905 CN 03266905 CN 03266905 U CN03266905 U CN 03266905U CN 2653454 Y CN2653454 Y CN 2653454Y
- Authority
- CN
- China
- Prior art keywords
- gas meter
- pressure loss
- flow meter
- reducing gear
- loss cut
- 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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Abstract
The utility model relates to a non pressure loss cut-off device which is used on a cassette gas meter and is characterized in that a motor is arranged in a shell and the output shaft of the motor is connected with a retarding mechanism whose output shaft is connected with a transmission part through a constraining device arranged outside the shell. The utility model has the advantages of having no pressure loss, no failure in the opening of the valve or leakage, and also saves the cost in production, package and transportation.
Description
Technical field
The utility model relates to the switchgear that a kind of gas meter, flow meter is used, and particularly a kind of cassette gas meter, flow meter does not have pressure loss cut-off equipment.
Background technology
The cut-off equipment that present cassette gas meter, flow meter is adopted is electrically operated valve, has to be installed in the table, claims built-in type; The off-balancesheet of being installed in is arranged, claim fitted outside.No matter being built-in type or fitted outside, all is that cut-off equipment (valve) is installed on the gas pipeline, because valve apertures is littler than internal diameter of the pipeline, all can produce the pressure loss to the combustion gas conveying.Stipulate in the GB that this loss must not be greater than 50Pa (actual loss is worth much larger than this).The pressure loss that valve produced by damming is a kind of waste of the energy, and when supply gas pressure was big, valve was difficult for opening, and causes in the use out of control in addition.
The utility model content
Technical problem to be solved in the utility model is at the above-mentioned deficiency of prior art, and to provide the cassette gas meter, flow meter of a kind of direct control gas meter, flow meter kinematic train work not have pressure loss cut-off equipment.
Cassette gas meter, flow meter provided by the utility model does not have pressure loss cut-off equipment to be realized by following technical scheme.
A kind of cassette gas meter, flow meter does not have pressure loss cut-off equipment, it is characterized in that: be provided with motor in housing, the output shaft of motor connects reducing gear, and the output shaft of reducing gear connects the transmission device of gas meter, flow meter by the outer confining device of housing.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:
This reducing gear is a gear reduction.
This reducing gear is a turbine and worm decelerator.
This confining device is the fork weight-driven, and wherein the output shaft of an end of fork and reducing gear is affixed, and the other end articulates weight.
Advantage of the present utility model is:
1, the no pressure loss:
2, on the joint of gas meter, flow meter electrically operated valve is not installed, the time this gas meter, flow meter height constant;
3, there is not the valve leak phenomenon:
4, compare with the fitted outside electrically operated valve, can save production cost, in addition because of highly low, so packing and the also corresponding minimizing of trucking costs.
For architectural feature of the present utility model and effect thereof are had further understanding, enumerate specific embodiment now and be described with reference to the accompanying drawings as follows:
Description of drawings
Fig. 1 is a structural representation front view of the present utility model.
Fig. 2 is a structural representation vertical view of the present utility model.
Fig. 3 is a use wiring layout of the present utility model.
Embodiment
As shown in Figure 1, 2, 3, cassette gas meter, flow meter provided by the utility model does not have pressure loss cut-off equipment: be provided with motor 3 in housing 5, the output shaft of motor 3 connects reducing gear 4, and the output shaft of reducing gear 4 connects the transmission device of gas meter, flow meter by the outer confining device 6 of housing.
In specific embodiment shown in Fig. 1,2, this reducing gear 4 is gear reductions.This reducing gear also can be a turbine and worm decelerator obviously.This confining device 6 is fork weight-drivens, and wherein the output shaft of an end of fork 1 and reducing gear 4 is affixed, and the other end articulates weight 2.
During the gas meter, flow meter operate as normal, its fork is swung in certain angle, and system sends the signal that dams when IC-card, and by motor 3 driving pendulum rod 1 and weight 2, the ream weight hammer falls, and the fork of gas meter, flow meter is stuck, and makes kinematic train stop air feed.Otherwise system sends out the stream signal when the 1C card, motor 3 driving pendulum rod 1 and weight 2, and ream weight hammer rises, and removes to the holding of fork the kinematic train state of resuming work, normal air feed.
The utility model makes the combustion gas on-off with the transmission device of braking gas meter, flow meter, thereby effectively solves because valve apertures is littler than internal diameter of the pipeline caused pressure loss problem.
The above only is the utility model specific embodiment; everyly be familiar with this skill personage and make various modifications or change very easily in view of the above; therefore, all equivalence replacements that the utility model claim spirit is done that do not break away from all should be included in this patent protection domain.
Claims (4)
1, a kind of cassette gas meter, flow meter does not have pressure loss cut-off equipment, it is characterized in that: be provided with motor in housing, the output shaft of motor connects reducing gear, and the output shaft of reducing gear connects the transmission device of gas meter, flow meter by the outer confining device of housing.
2, cassette gas meter, flow meter according to claim 1 does not have pressure loss cut-off equipment, it is characterized in that: this reducing gear is a gear reduction.
3, cassette gas meter, flow meter according to claim 1 does not have pressure loss cut-off equipment, it is characterized in that: this reducing gear is a turbine and worm decelerator.
4, cassette gas meter, flow meter according to claim 1 does not have pressure loss cut-off equipment, it is characterized in that: this confining device is the fork weight-driven, and wherein the output shaft of an end of fork and reducing gear is affixed, and the other end articulates weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03266905 CN2653454Y (en) | 2003-07-08 | 2003-07-08 | Pressure less loss cut-off device for card gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03266905 CN2653454Y (en) | 2003-07-08 | 2003-07-08 | Pressure less loss cut-off device for card gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2653454Y true CN2653454Y (en) | 2004-11-03 |
Family
ID=34329912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03266905 Expired - Fee Related CN2653454Y (en) | 2003-07-08 | 2003-07-08 | Pressure less loss cut-off device for card gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2653454Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556670A (en) * | 2018-11-21 | 2019-04-02 | 中国航发西安动力控制科技有限公司 | A kind of high-precision flow metrological service |
-
2003
- 2003-07-08 CN CN 03266905 patent/CN2653454Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556670A (en) * | 2018-11-21 | 2019-04-02 | 中国航发西安动力控制科技有限公司 | A kind of high-precision flow metrological service |
| CN109556670B (en) * | 2018-11-21 | 2020-12-29 | 中国航发西安动力控制科技有限公司 | High-precision flow metering mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |