CN206353044U - A kind of explosion-proof water meter - Google Patents
A kind of explosion-proof water meter Download PDFInfo
- Publication number
- CN206353044U CN206353044U CN201720017812.6U CN201720017812U CN206353044U CN 206353044 U CN206353044 U CN 206353044U CN 201720017812 U CN201720017812 U CN 201720017812U CN 206353044 U CN206353044 U CN 206353044U
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- China
- Prior art keywords
- piece
- lower stop
- stop piece
- hat type
- explosion
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Abstract
A kind of explosion-proof water meter, including transparent table cover, instrument board, watchcase and flange, described table cover, which includes covering sealing, to be acted on the lower stop piece on instrument board, covers to be connected on the hollow hat type above lower stop piece and cover, top surface, which encloses to set, on the hollow wall and lower stop piece covered on hat type forms into a sealed hollow cavity, it is additionally provided with described sealing hollow cavity in transition arcs piece, described two layers of cavity up and down filled with transparent medium；When the increase of instrument board internal pressure, lower stop piece is up towards the raised deformation in hollow cavity direction, and the transparent medium in lower floor's cavity is squeezed transmission pressure in transition arcs piece, causes transition arcs piece to link deformation；Inside instrument board not when being pressurized, lower stop piece elastic deformation restPoses, and the top surface resilience of lid hollow cavity recovers to original position on hat type, while also resilience recovers to original position transition arcs piece.Present design has the advantages that simple in construction, structural strength is high, production cost is low, is difficult explosion in extreme circumstances.
Description
Technical field
The utility model is related to a kind of explosion-proof water meter.
Background technology
Running water is that the main of nowadays people is originated with water, is still manufactured in either usually living, from each
Ordinary people be unable to do without the use of running water to all trades and professions every household.China mainly still uses mechanical water meter at present
The tonnage of people's life production and application running water is measured, however it is most using relatively broad various mechanical water meters at present
Using the table cover of single-glass material, under arctic weather especially under the big environment of temperature change, because of instrument board and list
Ponding between layer glass table cover freezes, and instrument board internal pressure increases after volume increase after icing, causes single-glass table cover to rupture
Or even situations such as pipe leakage, not only cause the waste of resource to also add hand labor burden.
The content of the invention
The purpose of this utility model is that a kind of simple in construction, structural strength of offer is high, production cost is low, in extreme environment
Under be difficult explosion explosion-proof water meter.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：A kind of explosion-proof water meter, including it is transparent
Table cover, instrument board, watchcase and hubbed flange, described table cover are connected on including that can cover lower stop piece, lid that envelope is acted on instrument board
Covered on hollow hat type above lower stop piece, top surface, which encloses, on the hollow wall and lower stop piece covered on hat type sets that to form into one sealed
Be additionally provided with hollow cavity, described sealing hollow cavity by hollow cavity be separated into above and below two layers of cavity transition arcs piece, institute
Filled with transparent medium in two layers of the cavity up and down stated；When the increase of instrument board internal pressure, lower stop piece bottom surface is pressurized, lower stop piece
Overcome pressure and itself tensile strength reversible elastic deformation in cavity body, lower stop piece up towards the raised deformation in hollow cavity direction,
Transparent medium in lower floor's cavity be squeezed transmission pressure in transition arcs piece, cause transition arcs piece link deformation, transmission pressure in
In upper chamber body, so as to realize that instrument board internal pressure relief is explosion-proof；When being no longer pressurized inside instrument board, lower stop piece is in lower floor's chamber
In the presence of internal transparent medium, lower stop piece elastic deformation restPoses, and the resilience of lid hollow cavity top surface recovers on hat type
To in situ, while transition arcs piece pressure difference due to above and below, also resilience recovers to original position.
The utility model connects to form two middle cavitys using lower stop piece, transition arcs piece and the hat type top cap with cavity
Body, and the table cover that the transparent medium with cushioning effect forms integrated explosion proof system water meter is filled with two hollow cavities, compared to biography
Single-glass table cover in system technology is at low temperature because the ponding between instrument board and table cover freezes volume and increased suddenly, individual layer
The structural strength of glass table cover is ruptured far from the ice cube for supporting volume increase, water meter explosion is endured cold, in the utility model
The lower stop piece used can be increased according to ponding icing volume or diminution situation is to the hollow cavity internal projection of table cover or resilience,
Transparent medium in lower floor's cavity is squeezed transmission pressure in transition arcs piece, and the linkage deformation of transition arcs piece transmits pressure in upper strata
In cavity, so as to realize that instrument board internal pressure relief is explosion-proof, itself pressure after volume-diminished of the transparent medium in table cover become it is big or
Person's volume becomes itself big rear pressure and diminished, and serves the larger pressure to overall table cover produced after buffering ponding icing volume surge
The effect of power, makes table cover not burst because that can not bear larger pressure, so that reduces that table cover under extreme temperature bursts shows
As reducing the repairing maintenance work for repairing the staff for safeguarding water meter, saving a large amount of manpower and materials, reduce the leakage of running water
And waste, it is ensured that resident normally uses running water in the case of extreme temperature, and also providing enterprise for running water retrieves a large amount of damages
Lose.
Further, cover by hollow circuit cylinder cap body, be integrally formed in hollow circuit cylinder cap body periphery on the hat type of the table cover
Lid is sealingly engaged by shade with lower stop piece on edge and the shade composition stretched out, hat type, and transition arcs piece crosses at hollow
In cylindrical cap body.The shade covered on the hat type of sealing engagement makes the transparent medium in hollow cavity be difficult to connect from sealing with lower stop piece
Overflowed in the gap of conjunction, it is ensured that the pressure relief capability of transparent medium, the overall table of transition arcs piece order crossed in hollow circuit cylinder cap body
Lid has two layers of hollow cavity, and two layers of hollow cavity further strengthens the compression capability of overall table cover, greatly promote its firmness,
Being worked under extreme temperature, it is durable more to stablize.
Further, table cover is fixed on instrument board by a hubbed flange between described table cover and watchcase,
Hollow circuit cylinder cap body set, which is stretched, to be limited in the eck of hubbed flange, and the upper top surface of hollow circuit cylinder cap body is exposed to hubbed flange
Table cover is fixed in instrument board by eck, hubbed flange by its shoulder inwall to the shade suppressing action covered on table cover hat type
On.The spacing cooperation of the eck of hollow circuit cylinder cap body and hubbed flange makes hollow circuit cylinder cap body will not be in flange eck because of itself
Vibrations collide and rubbed with flange, reduce the abrasion of overall table cover, it is ensured that its energy long-time stable work, hubbed flange will
Table cover, which is pressed abd fixed on instrument board, makes overall table cover stably can be operated on instrument board.
Further, described lower stop piece is lower concave arc piece.
Further, the curvature of described transition arcs piece is less than the curvature of lower stop piece.The design can make transition arcs piece with
Catch can carry out raised and resilience simultaneously, while linkage deformation is carried out, and the deformation of lower stop piece is more than the deformation of transition arcs piece,
And after transition arcs piece deformation, top surface is hardly deformed upon in the upper layer in cavity body, in cap body, it is ensured that overall table cover exists
Overall table cover is hardly varied widely in deformation process, it is ensured that it can steady operation.
Further, described transparent medium is transparent gases at high pressure.Imitated in hollow cavity using the decompression of gases at high pressure
Fruit more preferably, machine-shaping is also easier to during table cover overall processing.
Further, lid, transition arcs piece and lower stop piece are the transparent resin material processing of same intensity on described hat type
Form, and pass through ultrasonic bonding between lid and lower stop piece between lid and transition arcs piece, on hat type on hat type.Use intensity of the same race
Transparent resin material machine-shaping hat type on lid, transition arcs piece be difficult to lower stop piece after machine-shaping because material is different
And occur because prolonged use material aging to deform or even ftracture, performance is more preferable in use.Super
After sound wave welding processing, lid and lower stop piece are thoroughly bonded to one on hat type, in use more firm and durable, enter simultaneously
One step ensures that the transparent medium in hollow cavity will not reduce table cover from being spilt on hat type in the connection gap of lid and lower stop piece
Performance.
The beneficial effects of the utility model are：Because the deformation of table cover lower stop piece reduces instrument board internal pressure, let out so as to reach
Explosion prevention function is pressed, simultaneously because the structure setting of transparent medium and two layers of hollow cavity, the scope of pressure-relief explosion-proof is more broad, can
Realization is repeatedly explosion-proof, and the service life of table cover is greatly prolonged.Compared to single-glass water meter cover in the prior art, the utility model
Table cover it is simple and reasonable, pressure-resistant wear-resistant, stability is high, technique is simply easily achieved, it is high to observe perspectivity, especially the longevity
Life is very long.
Brief description of the drawings
Fig. 1 is a kind of overall structure sectional view of explosion-proof water meter.
Fig. 2 is a kind of overall structure diagram of explosion-proof Water meter cover.
Fig. 3 is the sectional view before a kind of explosion-proof Water meter cover is not pressurized.
Fig. 4 is the sectional view after a kind of explosion-proof Water meter cover is pressurized.
The parts title of numbering expression is as follows in accompanying drawing：1st, covered on hat type；1-2, lower stop piece；1-3, transition arcs piece；2、
Instrument board；3rd, watchcase；4th, hollow circuit cylinder cap body；5th, hubbed flange；6th, hollow cavity；7th, shade.
Embodiment
In order that obtaining the technological means that the utility model is realized, character of innovation is apparent to function, below will be further
Illustrate the utility model.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the first embodiment of the explosion-proof water meter of the utility model, including transparent table cover,
Instrument board 2, watchcase 3 and hubbed flange 5, described table cover connect including that can cover lower stop piece 1-2, lid that envelope is acted on instrument board 2
The lid 1 on the hollow hat type above lower stop piece 1-2, is enclosed to set and is formed by the hollow wall of lid on hat type 1 with top surface on lower stop piece 1-2
Be additionally provided with one sealed hollow cavity 6, described sealing hollow cavity 6 by hollow cavity 6 be separated into above and below two layers cavity
Filled with transparent medium in transition arcs piece 1-3, described two layers of cavity up and down, in order to be able to recover it is more rapid and it is sensitive simultaneously
With buffering effect, the transparent medium of the present embodiment uses high pressure transparent gas.For enable lower stop piece 1-2 preferably deformation,
The lower stop piece 1-2 of the present embodiment be lower concave arc piece, and transition arcs piece 1-3 curvature be less than lower stop piece 1-2 curvature.
When the increase of the internal pressure of instrument board 2, lower stop piece 1-2 bottom surfaces are pressurized, lower stop piece 1-2 overcome in cavity body pressure and
Itself tensile strength reversible elastic deformation, lower stop piece 1-2 is transparent in lower floor's cavity up towards the raised deformation in hollow cavity direction
Gases at high pressure are squeezed transmission pressure in transition arcs piece 1-3, transition arcs piece 1-3 linkage deformation are caused, so as to realize in instrument board 2
Portion's pressure-relief explosion-proof.Due to transition arcs piece 1-3 and lower stop piece 1-2 curvature difference, in linkage deformation process, the body of upper strata cavity
The volume compressibility that shrinkage is less than lower floor's cavity is overstock, pressure is buffered, and subtracts the pressure that the inner roof wall of lid 1 is subject on hat type
Few, top surface deformation is small on lid 1 on hat type or can realize and does not deform upon, inside instrument board 2 not when being pressurized, lower stop piece 1-2
In lower floor's cavity in the presence of transparent gases at high pressure, lower stop piece 1-2 elastic deformations recover recessed, the hollow cavity 6 of lid 1 on hat type
Top surface resilience recovers to original position, while transition arcs piece 1-3 pressure differences due to above and below, also resilience recovers to original position.The present embodiment in order to
It can to recover more rapid and sensitive and there is buffering effect, described transparent medium is using high pressure transparent gas.
On the table cover hat type of the present embodiment lid 1 by hollow circuit cylinder cap body 4, be integrally formed in the neighboring of hollow circuit cylinder cap body 4
The edge and shade 7 stretched out is constituted, lid 1 is sealingly engaged by shade 7 and lower stop piece 1-2 on hat type, and transition arcs piece 1-3 is horizontally set with
In in hollow circuit cylinder cap body 4.The effect of the structure of 1 shade of lid 7 on hat type：The engaging zones face with lower stop piece 1-2 can not only be increased
Product, effectively prevents transparent gases at high pressure from being overflowed from joint gap, while shade 7 makes assembling of the table cover on instrument board 2 more
It is stable.While the overall table cover self-strength of transition arcs piece 1-3 orders crossed in hollow circuit cylinder cap body 4 is lifted, overall table cover
Also it can bear bigger from extraneous external force.
Table cover is fixed on instrument board 2 by a hubbed flange 5 between the table cover and watchcase 3 of the present embodiment, in
4 sets of hollow round column cap body, which is stretched, to be limited in the eck of hubbed flange 5, and the upper top surface of hollow circuit cylinder cap body 4 is exposed to hubbed flange 5
Eck, be easy to fluoroscopic observation, hubbed flange 5 is by its shoulder inwall to the suppressing action of shade 7 of lid 1 on table cover hat type by table
Lid is fixed on instrument board 2, vertical and horizontal displacement of the limitation table cover on instrument board 2.The eck of hubbed flange 5 is interior
Neck wall can be also fitted close with the outer wall of hollow circuit cylinder cap body 4, further to limit the lateral displacement of table cover.Table cover is led to watchcase 3
Cross a hubbed flange 5 table cover is positioned on watchcase 3, and the table cover after positioning will not also produce position even if rocking and shake
Move, Relative friction between table cover and water meter miscellaneous part and collision are reduced, raising table cover, watchcase 3 and the three of hubbed flange 5 it
Between steadiness, assembling of being more convenient for, more preferably, and water meter service life is greatly improved, and reduces water for the globality of water meter
The maintenance work of table maintenance and repair staff, is that water undertaking saves a large amount of manpower and materials.
In the present embodiment, lid 1, transition arcs piece 1-3 and lower stop piece 1-2 employ wearability, resistance to pressure on described hat type
High same intensity transparent resin material is processed with perspectivity, and passes through supersonic welding between lid 1 and lower stop piece 1-2 on hat type
Connect, improve engagement sealing so that processing technology is more ripe, be more easily implemented, reading gathered data when it is more directly perceived.Described
Table cover on the position hat type of hollow cavity 6 on lid 1 top surface thickness be more than lower stop piece 1-2 thickness.Pushed up on hat type on lid 1
The design that face thickness is more than lower stop piece 1-2 thickness makes on hat type lid 1 and lower stop piece 1-2 during pressure-relief explosion-proof, it is ensured that equal energy
Deform upon, further the ability of the overall table cover compensator or trimmer pressure of lifting, and on hat type lid 1 in deformation process deformation degree in
Below elastic limit, belong to reversible deformation, it is to avoid overall table cover fragmentation situation.
Claims (10)
1. a kind of explosion-proof water meter, including transparent table cover (1), instrument board (2), watchcase (3) and hubbed flange (5), it is characterised in that：
Described table cover (1) is connected on above lower stop piece (1-2) including that can cover lower stop piece (1-2), lid that envelope is acted on instrument board (2)
(1-1) is covered on hollow hat type, the hollow wall of lid (1-1) encloses to set with top surface on lower stop piece (1-2) on hat type forms a sealing
Hollow cavity (6), be additionally provided with described sealing hollow cavity by hollow cavity be separated into above and below two layers of cavity transition arcs
Filled with transparent medium in piece (1-3), described two layers of cavity up and down；When the increase of instrument board (2) internal pressure, lower stop piece (1-
2) bottom surface is pressurized, and lower stop piece (1-2) overcomes pressure and itself tensile strength reversible elastic deformation, lower stop piece (1- in cavity body
2) up towards the raised deformation in hollow cavity direction, the transparent medium in lower floor's cavity is squeezed transmission pressure in transition arcs piece (1-
3) transition arcs piece (1-3) linkage deformation, is caused, transmission pressure is in upper chamber body, so as to realize that instrument board (2) internal pressure relief is prevented
It is quick-fried；When being no longer pressurized inside the instrument board (2), lower stop piece (1-2) is in lower floor's cavity in the presence of transparent medium, lower stop piece
(1-2) elastic deformation is restPosed, and the top surface resilience of (1-1) hollow cavity is covered on hat type and is recovered to original position, while transition arcs
Piece (1-3) pressure difference due to above and below, also resilience recovers to original position.
2. a kind of explosion-proof water meter according to claim 1, it is characterised in that：On the hat type of the table cover (1) cover (1-1) by
Hollow circuit cylinder cap body (4), be integrally formed hollow circuit cylinder cap body (4) neighboring and stretch out shade (7) composition, hat type
Upper lid (1-1) is sealingly engaged by shade (7) and lower stop piece (1-2), and transition arcs piece (1-3) crosses at hollow circuit cylinder cap body (4)
It is interior.
3. a kind of explosion-proof water meter according to claim 2, it is characterised in that：Lead between described table cover (1) and watchcase (3)
Cross a hubbed flange (5) table cover is fixed on instrument board (2), hollow circuit cylinder cap body (4) set, which is stretched, is limited in hubbed flange
(5) in eck, and the upper top surface of hollow circuit cylinder cap body (4) is exposed to the ecks of hubbed flange (5), and hubbed flange (5) passes through
Table cover is fixed on instrument board (2) by its shoulder inwall to shade (7) suppressing action that (1-1) is covered on table cover (1) hat type.
4. a kind of explosion-proof water meter according to claim 1 or 2 or 3, it is characterised in that：Under described lower stop piece (1-2) is
Concave arc piece.
5. a kind of explosion-proof water meter according to claim 4, it is characterised in that：The curvature of described transition arcs piece (1-3) is small
In lower stop piece (1-2) curvature.
6. a kind of explosion-proof water meter according to claim 1 or 2 or 3, it is characterised in that：Described transparent medium is transparent height
Calm the anger body.
7. a kind of explosion-proof water meter according to claim 4, it is characterised in that：Described transparent medium is transparent high pressure gas
Body.
8. a kind of explosion-proof water meter according to claim 5, it is characterised in that：Described transparent medium is transparent high pressure gas
Body.
9. a kind of explosion-proof water meter according to claim 1 or 2 or 3, it is characterised in that：(1-1), mistake are covered on described hat type
Cross arc piece (1-3) and lower stop piece (1-2) is that the transparent resin material of same intensity is processed, and (1-1) and mistake are covered on hat type
Cross between arc piece (1-3), covered on hat type between (1-1) and lower stop piece (1-2) by ultrasonic bonding.
10. a kind of explosion-proof water meter according to claim 4, it is characterised in that：(1-1), transition arcs are covered on described hat type
Piece (1-3) and lower stop piece (1-2) are that the transparent resin material of same intensity is processed, and (1-1) and transition arcs are covered on hat type
Covered between piece (1-3), on hat type between (1-1) and lower stop piece (1-2) and pass through ultrasonic bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017812.6U CN206353044U (en) | 2017-01-07 | 2017-01-07 | A kind of explosion-proof water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017812.6U CN206353044U (en) | 2017-01-07 | 2017-01-07 | A kind of explosion-proof water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206353044U true CN206353044U (en) | 2017-07-25 |
Family
ID=59348650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720017812.6U Expired - Fee Related CN206353044U (en) | 2017-01-07 | 2017-01-07 | A kind of explosion-proof water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206353044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768141A (en) * | 2017-01-07 | 2017-05-31 | 高晓勇 | A kind of explosion-proof water meter |
-
2017
- 2017-01-07 CN CN201720017812.6U patent/CN206353044U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768141A (en) * | 2017-01-07 | 2017-05-31 | 高晓勇 | A kind of explosion-proof water meter |
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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: 20170725 Termination date: 20200107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |