CN203908618U - Novel gas meter countercurrent preventing device - Google Patents
Novel gas meter countercurrent preventing device Download PDFInfo
- Publication number
- CN203908618U CN203908618U CN201420328296.5U CN201420328296U CN203908618U CN 203908618 U CN203908618 U CN 203908618U CN 201420328296 U CN201420328296 U CN 201420328296U CN 203908618 U CN203908618 U CN 203908618U
- Authority
- CN
- China
- Prior art keywords
- preventing device
- movement
- backflow device
- countercurrent preventing
- gas meter
- 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 - Lifetime
Links
- 239000002775 capsule Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 4
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000151 anti-reflux effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a novel gas meter countercurrent preventing device, and relates to the technical field of gas meters. The novel gas meter countercurrent preventing device comprises a countercurrent preventing device base, a countercurrent preventing device cover, a coupling screw, a movement air outlet pipe, a valve seat and a movement membrane box. The countercurrent preventing device base is connected with the countercurrent preventing device cover, and a countercurrent preventing device body composed of the countercurrent preventing device base and the countercurrent preventing device cover is arranged on the movement membrane box. The movement air outlet pipe is arranged above the countercurrent preventing device body and is fixedly connected to the movement membrane box through the coupling screw, and the upper portion of the movement membrane box is connected with the valve seat. The countercurrent preventing device body is fixedly hidden in an air flow channel below the valve seat, and the air flow channel is communicated with the movement air outlet pipe. The countercurrent preventing device body is installed in a metering movement of a gas meter, has a certain using safety protection function, and is simple in structure, convenient to install, high in practicality, good in non-returning effect and wide in application range.
Description
Technical field
The utility model relates to gas meter, flow meter technical field, be specifically related to a kind of novel gas meter, flow meter anti-backflow device.
Background technology
At present, both at home and abroad diaphragm gas meter generally only possesses gas reverse flow and non-return rotating function that counter is not had good luck, and do not there is the counterflow-preventing function that prevents gas reverse flow, although have the gas meter of part producer for counterflow-preventing function, the anti-backflow device of Dan Ge producer is all installed on gas meter, flow meter escape pipe position, all can see from the outside the structure of anti-backflow device, easily wreck, thereby cause this disabler, not only to gas company, bring loss, also can bring unsafe factor to user.
Summary of the invention
For the deficiency existing in prior art, the utility model object is to be to provide a kind of novel gas meter, flow meter anti-backflow device, outside invisible, anti-backflow device is arranged on to the dosing machine core inner of gas meter, flow meter, there is certain use safety precaution function, simple in structure, easy for installation, practical, non-return effective and widely applicable.
To achieve these goals, the utility model is to realize by the following technical solutions: a kind of novel gas meter, flow meter anti-backflow device, comprise anti-backflow device seat, anti-backflow device lid, attachment screw, movement escape pipe, valve seat and movement diaphragm capsule, anti-backflow device seat is connected with anti-backflow device lid, the anti-backflow device that anti-backflow device seat and anti-backflow device lid form is assemblied on movement diaphragm capsule, anti-backflow device top is provided with movement escape pipe, movement escape pipe is fixedly connected on movement diaphragm capsule by attachment screw, and movement diaphragm capsule top is connected with valve seat.
As preferably, the anti-backflow device that anti-backflow device seat and anti-backflow device lid form fixedly is hidden in the gas channel below valve seat, and gas channel communicates with movement escape pipe.
The beneficial effects of the utility model: (1), realize gas meter, flow meter and be reversed the non-return stream function while installing, make adverse current gas circuit obstructed, while avoiding general gas meter, flow meter oppositely to install without backflow device only, still can ventilate to use and measure inaccurate problem occurs.
(2), to realize anti-backflow device invisible from gas meter, flow meter outside, reached certain use safety precaution function.
(3), at the dosing machine core inner of gas meter, flow meter, anti-backflow device is installed, from the gas outlet of gas meter, flow meter, can not see anti-backflow device, and the reverse leakage amount that meets national Specification is no more than 0.025q
maxrequirement.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, describe the utility model in detail;
Fig. 1 is structural representation of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
With reference to Fig. 1, this embodiment is by the following technical solutions: a kind of novel gas meter, flow meter anti-backflow device, comprise anti-backflow device seat 1, anti-backflow device lid 2, attachment screw 3, movement escape pipe 4, valve seat 5 and movement diaphragm capsule 6, anti-backflow device seat 1 is connected with anti-backflow device lid 2, anti-backflow device seat 1 is assemblied on movement diaphragm capsule 6 with the anti-backflow device that anti-backflow device lid 2 forms, anti-backflow device top is provided with movement escape pipe 4, movement escape pipe 4 is fixedly connected on movement diaphragm capsule 6 by attachment screw 3, and movement diaphragm capsule 6 tops are connected with valve seat 5.
It should be noted that anti-backflow device seat 1 and the anti-backflow device that anti-backflow device lid 2 forms are fixedly hidden in the gas channel of valve seat 5 belows, gas channel communicates with movement escape pipe 4.
This embodiment is installed anti-backflow device at the dosing machine core inner of gas meter, flow meter, realize gas meter, flow meter and be reversed the non-return stream function while installing, the gas communication of valve seat 5 belows communicates with movement escape pipe 4, and passage below is rotated and is provided with anti-backflow device lid 2, anti-backflow device seat 1 coordinates anti-backflow device integral installation is fitted in the gas channel of gas meter movement body with anti-backflow device lid 2, form like this Anti-reflux metering movement of gas meter, flow meter, this movement is assemblied in gas meter, flow meter inside, form counterflow-preventing gas meter, flow meter, from the gas outlet of gas meter, flow meter, cannot see the anti-backflow device that is hidden in movement inside.
When gas forward flow, anti-backflow device lid 2 is dug; When gas reverse flow, anti-backflow device lid 2 is closed, and can stop like this when gas is reverse passes through gas meter, flow meter, makes adverse current gas circuit obstructed, avoids measuring inaccurate.
This embodiment is invisible from gas meter, flow meter outside, anti-backflow device is arranged on to the dosing machine core inner of gas meter, flow meter, has certain use safety precaution function, simple in structure, easy for installation, practical, non-return effective and widely applicable.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a novel gas meter, flow meter anti-backflow device, it is characterized in that, comprise anti-backflow device seat (1), anti-backflow device lid (2), attachment screw (3), movement escape pipe (4), valve seat (5) and movement diaphragm capsule (6), anti-backflow device seat (1) is connected with anti-backflow device lid (2), anti-backflow device seat (1) is assemblied on movement diaphragm capsule (6) with the anti-backflow device that anti-backflow device lid (2) forms, anti-backflow device top is provided with movement escape pipe (4), movement escape pipe (4) is fixedly connected on movement diaphragm capsule (6) by attachment screw (3), movement diaphragm capsule (6) top is connected with valve seat (5).
2. a kind of novel gas meter, flow meter anti-backflow device according to claim 1, it is characterized in that, anti-backflow device seat (1) is fixedly hidden in the gas channel of valve seat (5) below with the anti-backflow device that anti-backflow device lid (2) forms, and gas channel communicates with movement escape pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328296.5U CN203908618U (en) | 2014-06-19 | 2014-06-19 | Novel gas meter countercurrent preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328296.5U CN203908618U (en) | 2014-06-19 | 2014-06-19 | Novel gas meter countercurrent preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908618U true CN203908618U (en) | 2014-10-29 |
Family
ID=51782881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420328296.5U Expired - Lifetime CN203908618U (en) | 2014-06-19 | 2014-06-19 | Novel gas meter countercurrent preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908618U (en) |
-
2014
- 2014-06-19 CN CN201420328296.5U patent/CN203908618U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203354506U (en) | Respirator equipped with flowmeter | |
| CN204878885U (en) | Novel take check valve of sealing washer | |
| CN203908618U (en) | Novel gas meter countercurrent preventing device | |
| CN204201170U (en) | Sealed valve core | |
| CN201103707Y (en) | Valve especially for water meter | |
| CN204924305U (en) | A testing arrangement for nozzle flow measurement | |
| CN204963913U (en) | On vertical type water meter of intaking | |
| CN204924592U (en) | Portable gas tightness detection device | |
| CN202256292U (en) | Calibration device special for sulfur hexafluoride (SF6) concentration alarm | |
| WO2007113852A8 (en) | Water-saver faucet with measured out-flow arrangement | |
| CN203138099U (en) | Water-steam separating device of instant-heating water dispenser | |
| CN203794604U (en) | Mixture filling valve for liquid with granules | |
| CN204140999U (en) | A kind of shut-off valve | |
| CN201723892U (en) | Multipath common-pipe inlet water divider | |
| CN204151851U (en) | Pipeline machine and outlet pipeline | |
| CN206889726U (en) | A kind of 360 degree rotate out of water valve | |
| CN205246146U (en) | Steady voltage flow detection device | |
| CN103591987A (en) | Plastic tube rotor flow meter and measuring and installing method | |
| CN203442220U (en) | Tee valve with flowmeter | |
| CN203847155U (en) | Refuge chamber nitrogen-supplementing device | |
| CN203770739U (en) | Flow-limiting check valve | |
| CN206523195U (en) | A kind of outlet tube fixing mechanism of gas meter, flow meter | |
| CN208419060U (en) | A kind of humidifier with plus water-bound | |
| CN208964643U (en) | A kind of automatic reagent adding device of outer cold water of totally enclosed type converter valve | |
| CN208864966U (en) | A kind of follow-on Multifunctional oxygen inhaling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel gas meter countercurrent preventing device Effective date of registration: 20181116 Granted publication date: 20141029 Pledgee: Societe Generale Bank Co.,Ltd. Qingpu Branch of Shanghai Pledgor: ZENNER Metering Technology (Shanghai) Ltd. Registration number: 2018310000073 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191220 Granted publication date: 20141029 Pledgee: Societe Generale Bank Co.,Ltd. Qingpu Branch of Shanghai Pledgor: ZENNER Metering Technology (Shanghai) Ltd. Registration number: 2018310000073 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |
|
| CX01 | Expiry of patent term |