CN208091503U - Diaphragm gas meter diaphragm seal structure - Google Patents
Diaphragm gas meter diaphragm seal structure Download PDFInfo
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- CN208091503U CN208091503U CN201820618523.6U CN201820618523U CN208091503U CN 208091503 U CN208091503 U CN 208091503U CN 201820618523 U CN201820618523 U CN 201820618523U CN 208091503 U CN208091503 U CN 208091503U
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- diaphragm
- shell cover
- metering
- shell
- flange
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Abstract
Diaphragm gas meter diaphragm seal structure, including metering shell, diaphragm and metering shell cover；The side end face for measuring shell is equipped with positioning column；It is equipped with location hole corresponding with positioning column on diaphragm and the flange of metering shell cover, diaphragm is mounted on positioning column；It is characterized in that, the outer rim of metering shell-side end face is provided with surrounding edge, measures and be provided with gap between the edge of shell cover and surrounding edge；It measures and is provided with extruding inclined-plane on the inside of the flange of shell cover, squeeze and be filled with fluid sealant between inclined-plane and the flange of diaphragm；Metering shell cover is mounted on positioning column and is connect with metering shell by clamp device；The advantageous effects of the utility model are：Good airproof performance, and only need the single spreading in diaphragm that the effect of sealing can be realized, simplify technological process；Gas meter, flow meter structure can be easy for installation with normalized production, improves production efficiency.
Description
Technical field
The utility model is related to gas meter, flow meter field, specially a kind of diaphragm seal structure.
Background technology
Existing diaphragm gas meter is for diaphragm seal frequently with the mode of ultrasonic sealing and fluid sealant dual face seals.
It in ultrasonic sealing techniques, measures and is provided with rubber film component part between shell cover and metering shell, rubber film component part includes meter
Shell cushion rubber, diaphragm, diaphragm pressing plate are measured, measures and is provided with positioning column on shell, will first measure shell cushion rubber, diaphragm and diaphragm pressing plate successively
On positioning column, fixation then is melted into positioning column weldering using supersonic welder, finally coats sealing in the border of metering shell,
Metering shell cover is fastened on metering shell；The technical solution, leakproofness is preferable, but multi-section supersonic welding is needed in production line
Machine, production cost are higher；And need component to be mounted more, technological process is complex, and the process of ultrasonic bonding
It is irreversible, after positioning column weldering is melted, once detect that gas leakage, entire gas meter, flow meter will scrap through leakage detection apparatus.
It in fluid sealant dual face seals technology, measures and is coated with first layer sealing on the border of shell, diaphragm is solid by positioning column
It is scheduled on metering shell, second layer sealing is coated on the outside of diaphragm, metering shell cover is fastened on metering shell.The technical solution compared to
Ultrasonic bonding simplifies production procedure, has saved seal member, but still gluing is needed to can be only achieved sealing effect twice,
A large amount of sealings are expended, the shortcomings that there are low production efficiencies.
Utility model content
The purpose of this utility model is to provide a kind of good airproof performance, at low cost, the high diaphragm gas meter diaphragm of production efficiency
Sealing structure.
To achieve the above object, following technical scheme is proposed：
Diaphragm gas meter diaphragm seal structure, including metering shell, diaphragm and metering shell cover；The side end face of metering shell is equipped with
Positioning column；It is equipped with location hole corresponding with positioning column on diaphragm and the flange of metering shell cover, diaphragm is mounted on positioning column；
It is characterized in that, the outer rim of metering shell-side end face is provided with surrounding edge, measures and be provided with gap between the edge of shell cover and surrounding edge；Meter
It measures and is provided with extruding inclined-plane on the inside of the flange of shell cover, squeeze and be filled with fluid sealant between inclined-plane and the flange of diaphragm；Measure shell cover
It is connect on positioning column and by clamp device with metering shell.
Further, it measures and is additionally provided with remaining glue groove on the inside of the flange of shell cover.
Further, it squeezes between inclined-plane and remaining glue groove and is provided with serrated slot.
Further, clamp device is provided on surrounding edge bayonet and the fastener being arranged in metering shell cover, bayonet with
Fastener matches.
Further, clamp device is tapping screw, measures the side end face of shell, diaphragm and measures corresponding on the flange of shell cover
It is provided with thread Pilot hole.
Further, it is provided with the first guiding surface on fastener, is provided on bayonet and matches with the first guiding surface
Second guiding surface.
The principles of the present invention are that diaphragm is mounted on by location hole on positioning column, measure edge and the metering of shell cover
There are gap between the surrounding edge of shell, measures and be provided with extruding inclined-plane on the inside of the flange of shell cover, in the flange and diaphragm of metering shell cover
Flange between filling with sealant, due to being provided with extruding inclined-plane, after fluid sealant is squeezed, can along squeeze inclined-plane be squeezed into
It is sealed with the flange adhesion for measuring shell cover with chamfered inside, the flange for making diaphragm in gap, measures the edge and metering shell of shell cover
Surrounding edge adhesion sealing, to make diaphragm with metering shell, metering shell cover adhesion it is integral, reach diaphragm with metering shell, measure shell
The effect sealed between lid；Finally metering shell cover is connected firmly by clamp device and metering shell.
The advantageous effects of the utility model are：Good airproof performance, and only needing can be real in the single spreading of diaphragm
The effect now sealed, simplifies technological process, saves cost；Gas meter, flow meter structure can be with normalized production, easy for installation, improve
Production efficiency；Leak detection when, even if leak air situation if easy to disassemble can reseal, avoid ultrasonic welding technique
The situation that some sealing part of middle generation is not in place and causes whole statistical tables and reports useless occurs.
Description of the drawings
Attached drawing 1 is a kind of exploded perspective view of the utility model diaphragm gas meter diaphragm seal structure.
Attached drawing 2 is another exploded perspective view of the utility model diaphragm gas meter diaphragm seal structure.
Attached drawing 3 is the schematic cross-sectional view of Fig. 1.
Attached drawing 4 is the enlarged diagram at A in Fig. 1.
Attached drawing 5 is the schematic rear view of the metering shell cover in Fig. 1.
In figure：It measures shell 1, diaphragm 2, metering shell cover 3, positioning column 5, location hole 6, surrounding edge 7, gap 8, squeeze inclined-plane 9, card
Mouth 11, fastener 12, remaining glue groove 13, serrated slot 14, the first guiding surface 15, the second guiding surface 16, tapping screw 17, screw thread bottom
Hole 18.
Specific implementation mode
The utility model diaphragm gas meter diaphragm seal structure is further illustrated in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, diaphragm gas meter diaphragm seal structure, including metering shell 1, diaphragm 2 measure shell
The edge of lid 3, metering shell 1, diaphragm 2 and metering shell cover 3 is both provided with flange, and flange is diaphragm 2 and metering shell 1, metering shell cover 3
The flange at the position for contacting and installing, metering shell 1 is equipped with positioning column 5；Diaphragm 2 and measure shell cover 3 flange on be equipped with
5 corresponding location hole 6 of positioning column, diaphragm 2 and metering shell cover 3 are fixed on by location hole 6 on positioning column 5, and 2 He of diaphragm is prevented
Metering shell 1 is subjected to displacement.
As shown in Figure 3, Figure 4, in the utility model specific embodiment, metering 1 outer rim of shell is provided with surrounding edge 7, measures shell
It is provided with gap 8 between the edge and surrounding edge 7 of lid 3；It measures to be provided on the inside of the flange of shell cover 3 and squeezes inclined-plane 9, squeeze inclined-plane 9
Fluid sealant is filled between the flange of diaphragm 2；Shell cover 3 is measured to be mounted on positioning column 5 and by clamp device and metering shell 1
Connection.
Fluid sealant can be squeezed into gap 8 along inclined-plane 9 is squeezed and the flange of metering shell 1 on the inside of, make the flange of diaphragm 2 with
Measure shell cover 3 flange adhesion sealing, measure shell cover 3 edge with metering shell 17 adhesion of surrounding edge seal, to make diaphragm 2 with
Metering shell 1, metering 3 adhesion of shell cover are integral, achieve the effect that seal between diaphragm 2 and metering shell 1, metering shell cover 3, finally count
Amount shell cover 3 is connected as one with metering shell 1 by clamp device.
Pass through above-mentioned technical proposal only needs the single filling sealing between the flange and the flange of diaphragm 2 of metering shell cover 3
The effect of sealing can be realized in glue, saves fluid sealant, saves cost of labor and equipment cost；Gas meter, flow meter structure can standardize
Production, it is easy for installation, improve production efficiency；Leak detection when, even if leak air situation if easy to disassemble can reseal,
The situation for avoiding some sealing part generated in ultrasonic welding technique not in place and causing whole statistical tables and reports useless occurs.
As shown in Figure 3, Figure 4, it in the utility model specific embodiment, measures more than being additionally provided on the inside of the flange of shell cover 3
Glue groove 13, since diaphragm 2 is relatively soft, fluid sealant can be hardened after being dried, and the setting of remaining glue groove 13 can be to avoid extra fluid sealant
In 2 cavity of inlet membrane, to ensure that diaphragm 2 normally can be inflated and be vented.
As shown in Figure 3, Figure 4, it in the utility model specific embodiment, squeezes and is provided between inclined-plane 9 and remaining glue groove 13
Serrated slot 14 increases fluid sealant and measures the adhesion area of shell cover 3, improves sealing effect.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, clamp device is provided in the bayonet 11 on surrounding edge 7 with setting in metering shell cover
Fastener 12 on 3, bayonet 11 match with fastener 12；In the utility model specific embodiment, bayonet 11 is uniform with fastener 12
8 groups are distributed with, metering shell cover 3 is fixed on positioning column 5 and is fastened with metering shell 1 by bayonet 11 and fastener 12, and fastener 12 exists
When engaging with bayonet 11, the flange of shell cover 3 is measured since deformation strains, there is certain elastic stress, make metering shell cover 3
The part clamping that is contacted with diaphragm 2 of flange, instead of diaphragm pressing plate, in process of production, it is only necessary to which it is fixed to be mounted on diaphragm 2
On the column 5 of position, the filling with sealant between the flange and the flange of diaphragm 2 of metering shell cover 3, then metering shell cover 3 is buckled in metering shell 1
It is upper, reduce technological process, improves work efficiency.
As shown in Fig. 2, in another specific embodiment, clamp device is tapping screw 17, measures side end face, the film of shell 1
It is correspondingly arranged on thread Pilot hole 18 on piece 2 and the flange of metering shell cover 3.Diaphragm 2 and metering shell cover 3 are mounted on the side of metering shell 1
On the positioning column 5 of end face, it will measure shell cover 3 with tapping screw 17 and diaphragm 2 be fixed on the side end face of metering shell 1, reach company
Fixed effect is connect, sealing effect is improved.
In other embodiments, after diaphragm 2 and metering shell cover 3 being mounted on the side end face positioning column 5 of metering shell 1, also
Shell ring can be used around metering shell cover 3 and the side end face one week for measuring shell 1, the side end face card of shell cover 3 and metering shell 1 will be measured
Tightly, achieve the effect that fastening, it is easy to disassemble when product testing being facilitated to leak air in the process.
As shown in Figure 1 and Figure 2, in the utility model specific embodiment, the first guiding surface 15 is provided on fastener 12,
The second guiding surface 16 to match with the first guiding surface 15 is provided on bayonet 11；Fastener 12 is along the first guiding surface 15
Easily metering shell cover 3 can be fastened on metering shell 1 with the second guiding surface 16 on bayonet 11, sound construction is convenient
It is dismantled when the situation that leaks air during leak detection.
As shown in figure 5, in the utility model specific embodiment, positioning column 5 is evenly distributed with 12, can effectively prevent
Diaphragm 2 is subjected to displacement with metering shell cover 3, plays fixed effect.
It should be understood that embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.In addition it should manage
Solution, after reading the content taught by the present invention, those skilled in the art can make the utility model any various
Change and modification, such equivalent forms equally fall within the application the appended claims and are limited.
Claims (6)
1. diaphragm gas meter diaphragm seal structure, including metering shell（1）, diaphragm（2）With metering shell cover（3）；Measure shell（1）Side
End face is equipped with positioning column（5）；Diaphragm（2）With metering shell cover（3）Flange on be equipped with and positioning column（5）Corresponding positioning
Hole（6）, diaphragm（2）Mounted on positioning column（5）On；It is characterized in that, metering shell（1）The outer rim of side end face is provided with surrounding edge（7）,
Measure shell cover（3）Edge and surrounding edge（7）Between be provided with gap（8）；Measure shell cover（3）Flange on the inside of to be provided with extruding oblique
Face（9）, squeeze inclined-plane（9）With diaphragm（2）Flange between be filled with fluid sealant；Measure shell cover（3）Mounted on positioning column（5）On
And pass through clamp device and metering shell（1）Connection.
2. diaphragm gas meter diaphragm seal structure as described in claim 1, which is characterized in that metering shell cover（3）Flange in
Side is additionally provided with remaining glue groove（13）.
3. diaphragm gas meter diaphragm seal structure as claimed in claim 2, which is characterized in that squeeze inclined-plane（9）With remaining glue groove
（13）Between be provided with serrated slot（14）.
4. the diaphragm gas meter diaphragm seal structure as described in any claim in claims 1 to 3, which is characterized in that tight
It is fixedly mounted with to set and is provided in surrounding edge（7）On bayonet（11）With setting in metering shell cover（3）On fastener（12）, bayonet（11）With card
Part（12）Match.
5. the diaphragm gas meter diaphragm seal structure as described in any claim in claims 1 to 3, which is characterized in that tight
It is fixedly mounted with that set be tapping screw（17）, measure shell（1）Side end face, diaphragm（2）With metering shell cover（3）Flange on be correspondingly arranged on
Thread Pilot hole（18）.
6. diaphragm gas meter diaphragm seal structure as claimed in claim 4, which is characterized in that fastener（12）On be provided with first
Guiding surface（15）, bayonet（11）On be provided with and the first guiding surface（15）The second guiding surface to match（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820618523.6U CN208091503U (en) | 2018-04-27 | 2018-04-27 | Diaphragm gas meter diaphragm seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820618523.6U CN208091503U (en) | 2018-04-27 | 2018-04-27 | Diaphragm gas meter diaphragm seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208091503U true CN208091503U (en) | 2018-11-13 |
Family
ID=64052594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820618523.6U Active CN208091503U (en) | 2018-04-27 | 2018-04-27 | Diaphragm gas meter diaphragm seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208091503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708715A (en) * | 2019-01-26 | 2019-05-03 | 重庆融焕电器有限公司 | Core of membrane type gas meter structure and its assembly technology |
-
2018
- 2018-04-27 CN CN201820618523.6U patent/CN208091503U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708715A (en) * | 2019-01-26 | 2019-05-03 | 重庆融焕电器有限公司 | Core of membrane type gas meter structure and its assembly technology |
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