CN206074057U - A kind of counnter attack connection device of gas meter, flow meter - Google Patents
A kind of counnter attack connection device of gas meter, flow meter Download PDFInfo
- Publication number
- CN206074057U CN206074057U CN201621086607.7U CN201621086607U CN206074057U CN 206074057 U CN206074057 U CN 206074057U CN 201621086607 U CN201621086607 U CN 201621086607U CN 206074057 U CN206074057 U CN 206074057U
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- CN
- China
- Prior art keywords
- counnter attack
- flow meter
- gas meter
- connection device
- cover plate
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- 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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Abstract
The utility model discloses a kind of counnter attack connection device of gas meter, flow meter, including the counnter attack connected components of the escape pipe for being arranged on gas meter, flow meter, the counnter attack connected components include the counnter attack base being fixedly connected with the escape pipe, through hole is provided with the counnter attack base, and one end of the counnter attack base is hinged with the counnter attack cover plate for being only capable of the airintake direction Unscrew along the escape pipe, counnter attack diaphragm seal is provided with the counnter attack cover plate, and the counnter attack diaphragm seal is located between the counnter attack base and the counnter attack cover plate.The counnter attack connection device of above-mentioned gas meter, flow meter, has taken into account the destruction of high pressure resistant tap water and good anti-reverse ventilatory effect.
Description
Technical field
This utility model is related to gas meter, flow meter security technology area, more particularly to a kind of counnter attack connection device of gas meter, flow meter.
Background technology
As the quality of life of resident improves constantly, natural gas is grown with each passing day with gas.On market, common gas meter, flow meter has been
The needs that people live safely can not being met, there are certain customers by will directly make after gas meter, flow meter air inlet and gas outlet reversal connection
With such gas meter, flow meter will not be measured, and user is without paying dues, therefore brings immeasurable economic loss to gas company.
In addition, life in, every household is fitted with water heater and gas meter, flow meter, when water feeding of heater mouth and gas inlet it is reversed or
After gas meter, flow meter accesses water pipe, water flows through gas meter, flow meter, passes through in supervisor's net and other user's gas tables of Gas Pipe, now once
Generation gas leakage accident can produce inevitably loss, safely bring potential threat with gas to user.Current city
Occur similar structure on face, the effect for being generally individually capable of achieving to prevent reversal connection to ventilate, but prevent high pressure resistant tap water after reversal connection
Damage capability is generally poor；Other prevents reversal connecting device, though the damage capability of high pressure resistant tap water is strong, prevents reversal connection from leading to
Gas effect is again bad, but the counnter attack connection device of existing gas meter, flow meter can not take into account destroying and good for high pressure resistant tap water
Two kinds of functions of anti-reverse ventilatory effect.
In sum, the counnter attack connection device for how solving existing gas meter, flow meter can not take into account the destruction of high pressure resistant tap water
With the problem of good anti-reverse ventilatory effect, it has also become those skilled in the art's technical barrier urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of counnter attack connection device of gas meter, flow meter, to take into account the destruction of high pressure resistant tap water
With good anti-reverse ventilatory effect.
To achieve these goals, this utility model provides a kind of counnter attack connection device of gas meter, flow meter, including being arranged on combustion
The counnter attack connected components of the escape pipe of gas meter, the counnter attack connected components include the counnter attack base being fixedly connected with the escape pipe, institute
State and on counnter attack base, be provided with through hole, and one end of the counnter attack base is hinged with and is only capable of revolving along the airintake direction of the escape pipe
Turn the counnter attack cover plate opened, counnter attack diaphragm seal is provided with the counnter attack cover plate, and the counnter attack diaphragm seal is located at the counnter attack
Between base and the counnter attack cover plate.
Preferably, it is provided with the counnter attack cover plate for fixing the locating pin of the counnter attack diaphragm seal.
Preferably, the end of the locating pin is provided with by melting the step for being formed.
Preferably, the counnter attack diaphragm seal includes nonwoven fabric layer and is coated uniformly on the gluing of the nonwoven fabric layer both side surface
Layer.
Preferably, edge 0.25-1mm of the edge of the counnter attack diaphragm seal beyond the counnter attack cover plate.
Preferably, the counnter attack base is connected with the internal orifice of the escape pipe.
Preferably, the counnter attack base is connected by the way of ultrasonic bonding with the internal orifice of the escape pipe.
Comparing and content being introduced with background technology, in the counnter attack connection device of above-mentioned gas meter, flow meter, counnter attack cover plate passes through counnter attack base
It is arranged in gas meter, flow meter escape pipe, during positive ventilation, counnter attack cover plate opens up runner in the presence of gaseous-pressure, does not affect
The normal use of table；When reversely ventilating, counnter attack cover plate and counnter attack diaphragm seal fall down closing runner in the presence of gaseous-pressure, hinder
Only table interior air-flow direction is flow backwards, and realizes counnter attack connection function；While being ensured against using counnter attack diaphragm seal is arranged on counnter attack cover plate
Reversal connection high pressure tap water.By using the counnter attack connection device of above-mentioned gas meter, flow meter, certain customers can be avoided by by gas meter, flow meter
Directly use after air inlet and gas outlet reversal connection；Or water feeding of heater mouth and gas inlet it is reversed after directly use and band
Come hidden danger, so that it is guaranteed that safely, avoid loss.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing for providing.
The structural representation of the counnter attack connection device of the gas meter, flow meter that Fig. 1 is provided for this utility model embodiment；
The structural representation of the counnter attack connection device of the gas meter, flow meter that Fig. 2 is provided for this utility model embodiment (shows combustion gas
Table).
In figure 1 above -2：
Escape pipe 1, counnter attack base 2, counnter attack cover plate 3, counnter attack diaphragm seal 4, gas meter, flow meter 5.
Specific embodiment
Core of the present utility model is to provide a kind of counnter attack connection device of gas meter, flow meter, to take into account the destruction of high pressure resistant tap water
With good anti-reverse ventilatory effect.
In order that those skilled in the art more fully understands the technical scheme that this utility model is provided, below in conjunction with attached
The utility model is described in further detail with specific embodiment for figure.
As depicted in figs. 1 and 2, a kind of counnter attack connection device of gas meter, flow meter that this utility model embodiment is provided, including setting
In the counnter attack connected components of the escape pipe 1 of gas meter, flow meter, counnter attack connected components include the counnter attack base 2 being fixedly connected with escape pipe 1, counnter attack
It is provided with through hole on base 2, and one end of counnter attack base 2 is hinged with and is only capable of the anti-of airintake direction Unscrew along escape pipe 1
Anti- cover plate 3, is provided with counnter attack diaphragm seal 4 on counnter attack cover plate 3, and counnter attack diaphragm seal 4 be located at counnter attack base 2 and counnter attack cover plate 3 it
Between.
It should be noted that above-mentioned counnter attack cover plate is only capable of the airintake direction Unscrew along escape pipe, can be specifically anti-
Anti- cover plate is bigger than the through hole of counnter attack base, thus when gas meter, flow meter air inlet and gas outlet there is reversal connection when, the rotation of counnter attack cover plate
To abutting with counnter attack base (when i.e. counnter attack cover plate covers the through hole of counnter attack base), limit counnter attack cover plate and continue along the contrary of air inlet
Direction Unscrew, it is of course possible to be understood by, can also be on counnter attack base arrange limited block mode, when counnter attack cover plate with
When counnter attack base is abutted, limited block limits the continuation Unscrew of counnter attack cover plate.
Comparing and content being introduced with background technology, in the counnter attack connection device of above-mentioned gas meter, flow meter, counnter attack cover plate passes through counnter attack base
It is arranged in gas meter, flow meter escape pipe, during positive ventilation, counnter attack cover plate opens up runner in the presence of gaseous-pressure, does not affect
The normal use of table；When reversely ventilating, counnter attack cover plate and counnter attack diaphragm seal fall down closing runner in the presence of gaseous-pressure, hinder
Only table interior air-flow direction is flow backwards, and realizes counnter attack connection function；While being ensured against using counnter attack diaphragm seal is arranged on counnter attack cover plate
Reversal connection high pressure tap water.By using the counnter attack connection device of above-mentioned gas meter, flow meter, certain customers can be avoided by by gas meter, flow meter
Directly use after air inlet and gas outlet reversal connection；Or water feeding of heater mouth and gas inlet it is reversed after directly use and band
Come hidden danger, so that it is guaranteed that safely, avoid loss.
Further, it is provided with above-mentioned counnter attack cover plate 3 for fixing the locating pin of counnter attack diaphragm seal 4.It is of course possible to manage
Solution be above-mentioned locating pin mounting means be only this utility model embodiment a kind of preferred fixed form, may be used also
To be the mode such as to paste, or other fixed forms that those skilled in the art commonly use.
Further, the end of above-mentioned locating pin is provided with by melting the step for being formed.Specifically, when counnter attack diaphragm seal is pacified
After being filled to locating pin, can be the end of locating pin being carried out being fused into step using the various modes such as ultrasonic bonding, it is ensured that anti-
Anti- diaphragm seal will not come off from cover plate in life-time service.It is appreciated of course that being provided with platform using above-mentioned locating pin end
The mode of rank be only this utility model embodiment for locating pin fixes a kind of preferred mode of counnter attack diaphragm seal, can be with
It is other fixed forms that those skilled in the art commonly use, the end of such as locating pin is provided with and is threaded through nut and is fixedly connected
Mode.
Further, the gluing that above-mentioned counnter attack diaphragm seal 4 includes nonwoven fabric layer and is coated uniformly on the nonwoven fabric layer both side surface
Layer.It is appreciated of course that the structure of above-mentioned nonwoven fabric layer and rubberised layer be only this utility model embodiment for counnter attack seal
One kind of film is preferred to illustrate, and can also be other seal diaphragm structures that those skilled in the art commonly use, such as rubber sealing film
Deng.
Further, edge 0.25-1mm of the edge of above-mentioned counnter attack diaphragm seal 4 beyond counnter attack cover plate 3.By by counnter attack
The edge of diaphragm seal is beyond the edge of counnter attack cover plate so that sealing effectiveness is more preferable.It is appreciated of course that the above-mentioned chi for exceeding
Very little value is only the preferred citing of one kind of this utility model embodiment, can also be other sizes value.
Further, above-mentioned counnter attack base 2 is connected with the internal orifice of escape pipe 1.Need exist for explanation, above-mentioned escape pipe
Internal orifice, refer to the inside bore of escape pipe.It is appreciated of course that above-mentioned counnter attack base is only connected with the internal orifice of escape pipe
Only it is that this utility model embodiment is preferred for one kind that end connects to illustrate, can also be the end of counnter attack base and escape pipe
The collar extension connection in portion.
Further, above-mentioned counnter attack base 2 is connected by the way of ultrasonic bonding with the internal orifice of escape pipe 1.Certainly may be used
It is only the preferred citing of one kind of this utility model embodiment in the way of being understood by above-mentioned ultrasonic bonding, can also be
Threaded connection, or other connected modes that those skilled in the art commonly use.
Above the counnter attack connection device of gas meter, flow meter provided by the utility model is described in detail.Need explanation
It is that each embodiment in this specification is described by the way of progressive, what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar part mutually referring to.
Also, it should be noted that herein, such as first and second or the like relational terms are used merely to one
Entity or operation are made a distinction with another entity or operation, and are not necessarily required or implied between these entities or operation
There is any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to contain
Lid nonexcludability is included, so that not only include those key elements including the article or equipment of a series of key elements, but also
Including other key elements being not expressly set out, or also include the key element intrinsic for this article or equipment.Do not having
In the case of more restrictions, the key element limited by sentence "including a ...", it is not excluded that in the article including above-mentioned key element
Or in equipment, also there is other identical element.
Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Explanation be only intended to help and understand method of the present utility model and its core concept.It should be pointed out that for the art
For those of ordinary skill, on the premise of without departing from this utility model principle, some changing can also be carried out to this utility model
Enter and modify, these improve and modification is also fallen in this utility model scope of the claims.
Claims (7)
1. the counnter attack connection device of a kind of gas meter, flow meter, including the counnter attack connected components of the escape pipe (1) for being arranged on gas meter, flow meter, its feature exists
In the counnter attack connected components include the counnter attack base (2) being fixedly connected with the escape pipe (1), set on the counnter attack base (2)
It is equipped with through hole, and one end of the counnter attack base (2) is hinged with and is only capable of airintake direction Unscrew along the escape pipe (1)
Counnter attack cover plate (3), is provided with counnter attack diaphragm seal (4), and the counnter attack diaphragm seal (4) positioned at described on the counnter attack cover plate (3)
Between counnter attack base (2) and the counnter attack cover plate (3).
2. the counnter attack connection device of gas meter, flow meter as claimed in claim 1, it is characterised in that be provided with the counnter attack cover plate (3)
For fixing the locating pin of the counnter attack diaphragm seal (4).
3. the counnter attack connection device of gas meter, flow meter as claimed in claim 2, it is characterised in that the end of the locating pin is provided with and passes through
The step that fusing is formed.
4. the counnter attack connection device of gas meter, flow meter as claimed in claim 1, it is characterised in that the counnter attack diaphragm seal (4) is including knitting
Layer of cloth and the rubberised layer for being coated uniformly on the nonwoven fabric layer both side surface.
5. the counnter attack connection device of gas meter, flow meter as claimed in claim 1, it is characterised in that the edge of the counnter attack diaphragm seal (4)
Beyond the edge 0.25-1mm of the counnter attack cover plate (3).
6. the counnter attack connection device of gas meter, flow meter as claimed in claim 1, it is characterised in that the counnter attack base (2) with it is described go out
The internal orifice connection of trachea (1).
7. the counnter attack connection device of gas meter, flow meter as claimed in claim 6, it is characterised in that the counnter attack base (2) with it is described go out
The internal orifice of trachea (1) is connected by the way of ultrasonic bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621086607.7U CN206074057U (en) | 2016-09-28 | 2016-09-28 | A kind of counnter attack connection device of gas meter, flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621086607.7U CN206074057U (en) | 2016-09-28 | 2016-09-28 | A kind of counnter attack connection device of gas meter, flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206074057U true CN206074057U (en) | 2017-04-05 |
Family
ID=58440979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621086607.7U Expired - Fee Related CN206074057U (en) | 2016-09-28 | 2016-09-28 | A kind of counnter attack connection device of gas meter, flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206074057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826016A (en) * | 2018-06-25 | 2018-11-16 | 株洲新奥燃气有限公司 | Fuel gas pipeline multistage waterproof system and method |
-
2016
- 2016-09-28 CN CN201621086607.7U patent/CN206074057U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826016A (en) * | 2018-06-25 | 2018-11-16 | 株洲新奥燃气有限公司 | Fuel gas pipeline multistage waterproof system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20190928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |