CN208588514U - A kind of core of membrane type gas meter ability of swimming leakage detection apparatus - Google Patents
A kind of core of membrane type gas meter ability of swimming leakage detection apparatus Download PDFInfo
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- CN208588514U CN208588514U CN201821249772.9U CN201821249772U CN208588514U CN 208588514 U CN208588514 U CN 208588514U CN 201821249772 U CN201821249772 U CN 201821249772U CN 208588514 U CN208588514 U CN 208588514U
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Abstract
A kind of core of membrane type gas meter ability of swimming leakage detection apparatus, belong to core of membrane type gas meter leak detection technology field, this core of membrane type gas meter ability of swimming leakage detection apparatus, including the control gas circuit connected on the locating support and locating support by core of membrane type gas meter location sealing, the gas-tpe fitting to interlink with each chamber of machine core is provided on locating support, gas-tpe fitting is connected with control gas circuit, the utility model has the beneficial effects that, the leakage detection apparatus overall structure is simple, it is convenient that machine core positioning is placed, the ability of swimming leak detection completed with the device is easy to operate, and it can intuitively show the position of machine core middle chamber leakage point, and chamber each in machine core can be detected simultaneously, improve detection efficiency.
Description
Technical field
The utility model relates to core of membrane type gas meter leak detection technology field more particularly to a kind of diaphragm gas meter machines
Core ability of swimming leakage detection apparatus.
Background technique
Measurement instrument of the gas meter, flow meter as metering gas usage amount, it is closely bound up with people's lives.As shown in Figure 1, often
Gas meter movement 6 is divided into four capacity chambers 61 and an outlet chamber 62 communicated with escape pipe by partition, diaphragm,
After installing upper valve base, the leakproofness of this five chambers will reach requirement.Currently, diaphragm gas meter industry is prevailing both at home and abroad, but
It is to be related to machine core leakproofness, most common detection is exactly that machine core is placed on leak test plant, to machine core plus negative pressure, is added to specified
After pressure, start to balance, observes the leakage situation shown on machine core leak test plant.Although this detection method test and comparison side
Just, but because equipment only shows that leakage, which position leakage of specific machine core which chamber, chamber cannot be explicitly pointed out, be given
Analysis leakage machine core causes certain difficulty.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of core of membrane type gas meter ability of swimming leakage detection apparatus,
The position of leakage point cannot be shown accurate and visually by solving existing core of membrane type gas meter leak test plant, give workover rig core ribbon
Carry out certain difficult problem, further solve the inefficient problem of machine core leak detection operation, it is therefore intended that, design one kind
Machine core leakage detection apparatus, to make that its overall structure is simple, machine core positioning is placed convenient, it is easy to operate to hunt leak, and can intuitively show
The position of machine core middle chamber leakage point out, and chamber each in machine core can be detected disposably, detection effect can be improved
Rate.
To achieve the above object, the technical scheme adopted by the utility model to solve the technical problem is as follows: the membrane type fires
Gas meter machine core ability of swimming leakage detection apparatus, which is characterized in that including by the locating support and locating support of gas meter movement location sealing
The control gas circuit of upper connection is provided with the gas-tpe fitting to interlink with each chamber of machine core, the gas on the locating support
Pipe fitting is connected with control gas circuit.
Further, the locating support includes the first positioning plate and the second positioning plate, and the first positioning plate setting exists
The surface of second positioning plate is connected with the regulating member for adjusting its distance between the first positioning plate and the second positioning plate.
Further, the two sides of the first positioning plate and the second positioning plate, including connecting screw are arranged in the regulating member,
The lower end of the connecting screw is pierced by the second positioning plate, and fastens the second positioning plate by nut fastener and position；The company
The upper end for connecing screw rod is pierced by the first positioning plate, and compresses the first positioning plate by knob nut and position.
Further, the upper end of the connecting screw and the first positioning plate clearance fit, the lower end of the connecting screw with
Second positioning plate clearance fit.
Further, be fixed with sealing clamp below first positioning plate, the sealing clamp and machine core into row
Port sealing cooperates, and is provided with the venthole being connected with the gas-tpe fitting on the sealing clamp.
Further, multiple through-holes are provided on first positioning plate, the fixed tracheae in one end of the through-hole connects
Head, the other end of the through-hole are connected with the venthole.
Further, the locating piece with the cooperation clamping of gas meter movement bottom is fixed on second positioning plate.
Further, the control gas circuit includes gas source, is connected with the first admission line on gas source, on the first admission line
Setting gas-filled switching tube and air gauge, the first admission line are connected with gas-tpe fitting.
Further, the gas-tpe fitting is provided with 5,5 gas-tpe fittings, four with gas meter movement respectively
Capacity chamber and an outlet chamber are connected, and first admission line passes through four-way pipe and three second admission line phases
Even, it is connected wherein two second admission lines pass through a tee tube respectively with third admission line, third admission line and two
A gas-tpe fitting is connected, and in addition second admission line is connected with a gas-tpe fitting.
The beneficial effects of the utility model are:
1, after the leakage detection apparatus is fixed core of membrane type gas meter location sealing by locating support, which is put
It sets in the transparent vessel for filling clear water, high pressure gas is passed through into each chamber of machine core by controlling gas circuit, by one section
The pressure maintaining of time the position for whether occurring continuity bubble phenomenon and the generation of continuity bubble in transparent vessel is observed, in turn
Accurate judgement leakage point, the leakage detection apparatus overall structure is fairly simple, hunts leak easy to operate, and can intuitively show machine core
The position of middle chamber leakage point, it is more accurate to detect；
2, control gas circuit therein includes gas source, the first admission line, gas-filled switching tube and air gauge, the first admission line with
Gas-tpe fitting is connected, and gas-tpe fitting is provided with 5, is connected respectively with four machine core capacity chambers and an outlet chamber, the
One admission line is connected by four-way pipe with three second admission lines, wherein two second admission lines pass through one three respectively
Siphunculus is connected with two gas-tpe fittings, and in addition second admission line is connected with a gas-tpe fitting, the high pressure gas in gas source
Body enters 5 chambers being connected with gas-tpe fitting by the first admission line, the second admission line simultaneously, can be to 5 of machine core
Chamber carries out leak detection test simultaneously, then improves the working efficiency of leak detection；
To sum up, the core of membrane type gas meter ability of swimming leakage detection apparatus overall structure is simple, machine core positioning placement is convenient, with this
The ability of swimming leak detection that device is completed is easy to operate, and can intuitively show the position of machine core middle chamber leakage point, and for
Each chamber can be detected simultaneously in machine core, improve detection efficiency.
Detailed description of the invention
Below to each width attached drawing of the utility model specification expression content and figure in label be briefly described:
Fig. 1 is the top view of core of membrane type gas meter in the prior art；
Fig. 2 is the structural schematic diagram of core of membrane type gas meter ability of swimming leakage detection apparatus in the utility model；
Fig. 3 is the top view of locating support in the utility model；
Label in above-mentioned figure is equal are as follows: 1. locating supports, 11. first positioning plates, and 111. through-holes, 12. second positioning plates,
13. regulating member, 131. connecting screws, 132. nut fasteners, 133. knob nuts, 2. control gas circuits, 21. gas sources, 22. the
One admission line, 23. gas-filled switching tubes, 24. air gauges, 25. four-way pipes, 26. second admission lines, 27. tee tubes, 28. thirds
Admission line, 3. gas-tpe fittings, 4. sealing clamps, 41. ventholes, 5. locating pieces, 6. gas meter movements, 61. capacity chambers,
62. outlet chamber.
Specific embodiment
Specific embodiment of the present utility model is made into one by the description to optimum embodiment below against attached drawing
Step detailed description.
The utility model specific embodiment are as follows: as shown in Fig. 2, a kind of core of membrane type gas meter ability of swimming leakage detection apparatus,
Including the control gas circuit 2 connected on the locating support 1 and locating support 1 by core of membrane type gas meter location sealing, locating support 1
On be provided with the gas-tpe fitting 3 to interlink with each chamber of machine core, gas-tpe fitting 3 is connected with control gas circuit 2.Leak detection dress
It sets after being fixed core of membrane type gas meter location sealing by locating support 1, which is placed on and fills the saturating of clear water
In bright container, it is passed through high pressure gas into each chamber of machine core by controlling gas circuit 2, through pressure maintaining after a period of time, observation
Whether the position of continuity bubble phenomenon and continuity bubble generation, and then accurate judgement leakage point are occurred in transparent vessel,
The leakage detection apparatus overall structure is fairly simple, hunts leak easy to operate, and can intuitively show machine core middle chamber leakage point
Position, it is more accurate to detect.
Specifically, locating support 1 includes the first positioning plate 11 and the second positioning plate 12, and the first positioning plate 11 is arranged second
The surface of positioning plate 12 is connected with the regulating member 13 for adjusting its distance between first positioning plate 11 and the second positioning plate 12,
The distance between the first positioning plate 11 and the second positioning plate 12 can be adjusted according to the gas meter movement of different size, to gas meter, flow meter machine
Core carries out location sealing, improves the versatility and flexibility of device；Specifically, which is arranged in the first positioning plate
11 and second positioning plate 12 two sides, may be provided at corner location or the left and right sides of the first positioning plate 11 and the second positioning plate 12
Place, keeps overall structure more stable, and Fig. 2, Fig. 3 show the two sides for being symmetricly set on the first positioning plate 11 and the second positioning plate 12,
The regulating member 13 includes connecting screw 131, and the lower end of connecting screw 131 is pierced by the second positioning plate 12, and is fastened by nut
Second positioning plate 12 is fastened and is positioned by part 132, and the upper end of connecting screw 131 is pierced by the first positioning plate 11, and passes through knob nut
First positioning plate 11 is compressed positioning, and the upper end of connecting screw 131 and 11 clearance fit of the first positioning plate by 133, connects spiral shell
The lower end of bar 131 and 12 clearance fit of the second positioning plate, are limited the second positioning plate 12 by nut fastener 132, will
Gas meter movement is put between the first positioning plate 11 and the second positioning plate 12, makes the first positioning plate by turn knobs nut 133
11 are pressed on the top of gas meter movement；Optimally, the lower section of the first positioning plate 11 is fixed with sealing clamp 4, sealing clamp 4 with
The porting of machine core seals cooperation, when turn knobs nut 133 makes the first positioning plate 11 be pressed on the top of gas meter movement
When, the porting of machine core is sealed and is compressed by sealing clamp 4, is sealed each chamber of machine core, is convenient for ability of swimming inspection
Leakage；Specifically, it is provided with the venthole 41 being connected with gas-tpe fitting 3 on the sealing clamp 4, is provided on the first positioning plate 11
Multiple through-holes 111, the fixed gas-tpe fitting 3 in one end of through-hole 111, the other end of through-hole 111 are connected with venthole 41, make to control
High pressure gas in gas circuit 2 passes sequentially through gas-tpe fitting 3, through-hole 111, venthole 41 and enters in each chamber of machine core, carries out
Ability of swimming leak test；Optimally, the locating piece 5 with the cooperation clamping of machine core bottom is fixed on the second positioning plate 12, it is fixed by this
Position block 5 positions machine core, which is bolted part and is fixed on the second positioning plate 12, facilitates disassembly and adjusts
Whole and installation, while also further improving the stability of machine core positioning, when being put into machine core in the container equipped with clear water, machine
Core will not be detached from locating support 1 because of the buoyancy of water, keep detection process more stable.
Specifically, control gas circuit 2 includes gas source 21, and gas source 21 may be configured as inflation air pump, be connected with first on gas source 21
Gas-filled switching tube 23 and air gauge 24, the first admission line 22 and gas-tpe fitting 3 are arranged on first admission line 22 for admission line 22
It is connected, by opening and closing gas-filled switching tube 23, the high pressure gas in gas source 21 is made to enter machine core by the first admission line 22,
It selects to close gas-filled switching tube 23 and checking the reading of air gauge 24, prevents the excessive damage core part of pressure and prevent machine core
Interior air pressure is excessive to cause machine core integrally to float, and influences result of leaking hunting；As shown in Figure 2 and Figure 3, according to the chamber of existing machine core
Quantity and position setting gas-tpe fitting 3 be 5,5 gas-tpe fittings 3 respectively with four capacity chambers 61 of machine core and an outlet
Chamber 62 is connected, and the first admission line 22 is connected by four-way pipe 25 with three second admission lines 26, wherein two second
Admission line 26 is connected by a tee tube 27 with third admission line 28 respectively (only shows second air inlet pipe in figure
Road 26 is by a tee tube 27 and third admission line 28, and in addition second admission line 26 connects third admission line 28
Part omit), third admission line 28 is connected with two gas-tpe fittings 3, in addition second admission line 26 and a gas
Pipe fitting 3 is connected, and the high pressure gas in gas source 21 passes through the first admission line 22, the second admission line 26, third admission line
28 enter 5 chambers being connected with gas-tpe fitting 3 simultaneously, 5 chambers to machine core while can carry out leak detection test, then improve
The working efficiency of leak detection.
The method hunted leak with the core of membrane type gas meter ability of swimming leakage detection apparatus to core of membrane type gas meter, including with
Lower step:
1) the distance between the first positioning plate 11 and the second positioning plate 12 in locating support 1 are adjusted, gas meter movement is determined
Position sealing, while keeping each chamber of gas meter movement and each gas-tpe fitting 3 opposite.I.e. first by the bottom of gas meter movement
Positioned by the locating piece 5 of 1 bottom of locating support, and rotate gas meter movement, make each chamber of gas meter movement with
Each gas-tpe fitting 3 is opposite, and then, turn knobs nut 133 makes the first positioning plate 11 be pressed on the top of gas meter movement, together
When compress sealing clamp 4 by the sealing of the porting of machine core, be sealed each chamber of machine core.
2) the core of membrane type gas meter ability of swimming leakage detection apparatus for being equipped with gas meter movement is put into the transparent appearance equipped with clear water
In device.
3) gas-filled switching tube 23 is opened, so that the gas in gas source 21 is entered each chamber of machine core, until 24 pressure of air gauge
When value reaches 4.5KPa~5.0KPa, stop inflation.Open gas-filled switching tube 23, the high pressure gas in gas source 21 by first into
Feed channel 22, the second admission line 26, third admission line 28 enter simultaneously in 5 chambers being connected with 5 gas-tpe fittings 3,
Leak detection test is carried out simultaneously to 5 chambers of machine core, stops inflation when 24 pressure value of air gauge reaches 4.5KPa~5.0KPa,
Pressure maintaining is carried out, the excessive damage core part of pressure is prevented and prevents in machine core that air pressure is excessive to cause machine core integrally to float, and is influenced
It leaks hunting result.
4) pass through the continuity bubble phenomenon at each chamber of machine core in observation transparent vessel, accurate judgement mode combustion gas
The leakage point of table machine core chamber.
To sum up, the core of membrane type gas meter ability of swimming leakage detection apparatus overall structure is simple, machine core positioning placement is convenient, with this
The ability of swimming leak detection that device is completed is easy to operate, and can intuitively show the position of machine core middle chamber leakage point, and for
Each chamber can be detected simultaneously in machine core, improve detection efficiency.
The above, some principles of the utility model that only explains through diagrams, this specification are not intended to this is practical
It is novel to be confined in the shown specific structure and the scope of application, thus it is all it is all may be utilized accordingly modify and wait
Jljl belongs to the applied the scope of the patents of the utility model.
Claims (9)
1. a kind of core of membrane type gas meter ability of swimming leakage detection apparatus, which is characterized in that including by gas meter movement (6) location sealing
The control gas circuit (2) connected on locating support (1) and locating support (1) is provided on the locating support (1) every with machine core
The gas-tpe fitting (3) that a chamber interlinks, the gas-tpe fitting (3) are connected with control gas circuit (2).
2. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 1, it is characterised in that: the locating support
It (1) include the first positioning plate (11) and the second positioning plate (12), first positioning plate (11) is arranged in the second positioning plate (12)
Surface, be connected between the first positioning plate (11) and the second positioning plate (12) adjust its distance regulating member (13).
3. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 2, it is characterised in that: the regulating member
(13) it is arranged in the two sides of the first positioning plate (11) and the second positioning plate (12), including connecting screw (131), the connecting screw
(131) lower end is pierced by the second positioning plate (12), and is fastened the second positioning plate (12) by nut fastener (132) and positioned；
The upper end of the connecting screw (131) is pierced by the first positioning plate (11), and passes through knob nut (133) for the first positioning plate (11)
Compress positioning.
4. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 3, it is characterised in that: the connecting screw
(131) upper end and the first positioning plate (11) clearance fit, between the lower end and the second positioning plate (12) of the connecting screw (131)
Gap cooperation.
5. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 2, it is characterised in that: first positioning plate
(11) it is fixed with below sealing clamp (4), the porting of the sealing clamp (4) and machine core, which seals, to be cooperated, the sealing
The venthole (41) being connected with the gas-tpe fitting (3) is provided on pressing plate (4).
6. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 5, it is characterised in that: first positioning plate
(11) it is provided on multiple through-holes (111), the fixed gas-tpe fitting (3) in one end of the through-hole (111), the through-hole
(111) the other end is connected with the venthole (41).
7. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 5, it is characterised in that: second positioning plate
(12) locating piece (5) with the cooperation clamping of gas meter movement (6) bottom is fixed on.
8. core of membrane type gas meter ability of swimming leakage detection apparatus described in any one according to claim 1~7, it is characterised in that: institute
Stating control gas circuit (2) includes gas source (21), is connected on gas source (21) the first admission line (22), on the first admission line (22)
Setting gas-filled switching tube (23) and air gauge (24), the first admission line (22) are connected with gas-tpe fitting (3).
9. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 8, it is characterised in that: the gas-tpe fitting
(3) 5 are provided with, 5 gas-tpe fittings (3) go out with four capacity chambers (61) of gas meter movement (6) and one respectively
Gas chamber (62) is connected, and first admission line (22) passes through four-way pipe (25) and three second admission line (26) phases
Even, wherein two second admission lines (26) are connected by a tee tube (27) with third admission line (28) respectively, third
Admission line (28) is connected with two gas-tpe fittings (3), in addition second admission line (26) and gas-tpe fitting (3) phase
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821249772.9U CN208588514U (en) | 2018-08-04 | 2018-08-04 | A kind of core of membrane type gas meter ability of swimming leakage detection apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821249772.9U CN208588514U (en) | 2018-08-04 | 2018-08-04 | A kind of core of membrane type gas meter ability of swimming leakage detection apparatus |
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| CN208588514U true CN208588514U (en) | 2019-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760172A (en) * | 2018-08-04 | 2018-11-06 | 真兰仪表科技有限公司 | A kind of core of membrane type gas meter ability of swimming leakage detection apparatus and leak hunting method |
-
2018
- 2018-08-04 CN CN201821249772.9U patent/CN208588514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760172A (en) * | 2018-08-04 | 2018-11-06 | 真兰仪表科技有限公司 | A kind of core of membrane type gas meter ability of swimming leakage detection apparatus and leak hunting method |
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