CN209656121U - Water meter case - Google Patents
Water meter case Download PDFInfo
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- CN209656121U CN209656121U CN201920730801.1U CN201920730801U CN209656121U CN 209656121 U CN209656121 U CN 209656121U CN 201920730801 U CN201920730801 U CN 201920730801U CN 209656121 U CN209656121 U CN 209656121U
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Abstract
The utility model belongs to field of measuring techniques, and in particular to a kind of water meter case for measure of water water meter.The water meter case, including main body, water inlet pipe, outlet pipe and centre circle, main body are equipped with inlet and outlet, and cavity is equipped in main body, and centre circle is set in cavity and separates the cavity into upper chamber and lower chambers, and centre circle is equipped with watch core hole；Main body upper end is formed with necking, and internal diameter is less than at cavity at necking；Water meter case further includes table mouth facing and bottom cover, and table mouth facing is matched at necking, and table mouth facing further includes threaded portion and interconnecting piece, and interconnecting piece is sheathed in or beyond necking, and table mouth facing is welded and fixed with main body；Bottom part body is formed with opening, bottom cover be matched with opening and with main body welded seal.Compared with conventional cast mode, energy consumption significantly reduces the water meter case of the utility model, avoids casting water meter iron and gets rusty or cast quality problem caused by the factors such as trachoma；Also, the manufacturing cost of the water meter case is low, can large-scale promotion use.
Description
Technical field
The utility model belongs to field of measuring techniques, and in particular to a kind of water meter case for measure of water water meter.
Background technique
Water meter is the instrument for measuring water flow, is the integrated flow measurement of water mostly, is generally divided into volumetric water meter and speed
Degree formula.The internal structure of two quasi-tradition water meter of water meter can be divided into shell, sleeve, inner core three-major-items outside in, and shell is the pig iron
It casts.The water meter is simple inexpensive by it, can be employed without maintenance the phase in wet environment borough chief, and do not have to power supply, stop
Electricity nor affect on the advantages of work still can long term service be still therefore current mainstream water meter product.For such water meter
For, shell often uses iron or copper to cast and obtain blank, after then passing through numerical control cutting and surface treatment again, and obtains most
Whole shell finished product, becomes available water meter after portion's installing machine core in the inner.
In existing production technology, shell is mostly to cast to obtain blank, this aspect after using iron or copper weld pool
Can there are problems that following several respects: firstly, since shell structure and casting process are limited, the most thin thickness of general shell
It needs to reach 5-8cm, this production that will lead to shell needs to consume a large amount of iron or copper, and can also lead due to its thickness
Shell and water meter is caused to all have biggish weight, this is unfavorable for production, transport and installation.Secondly, casting method needs first to
To liquid, the energy consumption that this will lead to its production is high, consumes many energy and generates a large amount of greenhouse gases, this is right for iron or copper weld pool
It is also disagreeableness for environment.Again, since water meter needs are in contact with water source for a long time, and iron and copper both substances
Self property determine its with can occur after water Long Term Contact chemically react and influencing water quality, this for water meter use and
Service life is unfavorable.Finally, being considered based on water safety, rules and regulations need replacing water meter after a period of use, tradition
Irony and copper water meter, need disassemble after shell slightly handle after as source of iron and copper source return smelting furnace re-start
Casting, this regeneration method is not only at high cost, also unfriendly to environment.
On this basis, applicant develops the water meter processing technology based on stainless steel materials processing before this, and applies
Chinese invention patent (publication No. CN108917872A)；Though the technique can overcome the above problem, at present, work is processed
Sequence be it is more complicated, overall cost is still higher, applies in general to scene higher for quality requirement because it has excellent performance, does not have
There is large-scale promotion application to replace conventional cast water meter.Therefore, it is necessary to develop a kind of proper properties, easily manufactured, and it is easy to work
The new water meter shell of industry.
Utility model content
In order to solve the above problem at least one, the utility model provides a kind of proper properties, easily manufactured, and is easy to
Industrialized new water meter shell.
For this purpose, scheme used by the utility model is:
A kind of water meter case, including main body, water inlet pipe, outlet pipe and centre circle, the main body are equipped with water inlet and go out
The mouth of a river, water inlet pipe and outlet pipe are respectively cooperating at inlet and outlet, and cavity is equipped in main body, and centre circle is set in cavity
And cavity is divided into upper chamber and lower chambers above and below, centre circle is equipped with watch core hole for metering watch core setting；Water flow successively passes through
Water inlet pipe, water inlet, lower chambers, watch core hole, upper chamber, water outlet and outlet pipe flow through the water meter case.
The main body upper end is formed with necking, and necking is integrally formed on the whole with main body and forms after stamped necking, contracting
Internal diameter is less than at cavity at mouthful, so that water meter case structural strength is promoted.The water meter case further includes table mouth facing and bottom
Lid, table mouth facing is matched at necking, and table mouth facing further comprises threaded portion and interconnecting piece, interconnecting piece be sheathed in necking or
Outside, threaded portion is equipped with external screw thread so that watch core is fixed, and table mouth facing is welded and fixed with main body；Bottom part body is formed with opening, bottom
Lid be matched with opening and with main body welded seal.
Preferably, further respectively having the first flow deflector and the second flow deflector in the water inlet pipe and outlet pipe, first is led
Flow and the second flow deflector are set between water inlet pipe or outlet pipe and body outer wall, and welded seal, to water inlet pipe and out
Fluid in water pipe carries out water conservancy diversion, to avoid vortex of the liquid near inlet and outlet and influence measuring accuracy.
Further, the first flow deflector and the second flow deflector have connecting pin and diversion division, and connecting pin is soldered to water inlet
Or on the body outer wall of water outlet, diversion division is then soldered to water inlet pipe and water outlet inside pipe wall.
Preferably, the centre circle includes centre circle main body and flanging composition, in the setting of watch core hole in centre circle main body, flanging is set
It is placed in main body periphery and is provided projectingly to side.For in manufacture, to punching in the middle part of material plate to form watch core hole, surrounding shape
Bending is carried out to form flanging to certain side at main body, then to the periphery of main body；The centre circle of the structure can be increased by flanging
Structural strength, while centre circle is also beneficial in the intracorporal welding of chamber.
Preferably, the bottom part body is also formed with lower necking, lower necking is formed by forming after main body stamping necking,
So that the opening of bottom part body is smaller, while the profile of shell is also more mellow and fuller.More preferably, the bottom cover is by centre circle heel system
At, after bottom part body necking, bottom cover it is smaller so that its using centre circle watch core hole heel become can
Energy.That is, the suitable plate of size is processed, the heel in processing watch core hole further processes available bottom
Lid, so as to reduce wastage of material, reduces cost, and process complexity does not change.
Preferably, the inlet and outlet semicircular in shape or analogous shape, and side of the two to be oppositely directed to
Formula is set to main body relative position, in favor of being welded and fixed for two flow deflectors.
Preferably, the connecting pin of the water inlet pipe and outlet pipe is arranged to have circular cross sectional shape, connect certainly
The inside/outside diameter for connecing end still can be gradual change at this time.
Preferably, the connecting pin of the water inlet pipe and outlet pipe is arranged to the cross sectional shape with ellipse, certainly
The inside/outside diameter of connecting pin still can be gradual change at this time.
Preferably, the water meter case is made of stainless steel tube and stainless steel plate or copper pipe and copper sheet, certainly may be used
To be other similar metal or alloy tubing or plate.
The water meter case of the utility model, uses metal pipe material instead and sheet metal is raw material, carries out adding respectively for each component
After work/molding, all parts are welded to connect and are sealed by welding, and forms complete water meter case, fit on
For water meter can be formed after the watch core of metering.Compared with conventional cast mode, energy consumption is significantly reduced, and can select stainless
Steel pipe/plate or other metal or alloy plates avoid casting water meter iron and get rusty or cast the factors such as trachoma as initial feed
Caused quality problem；Also, the manufacturing cost of the water meter case is low, can large-scale promotion use.
Detailed description of the invention
Fig. 1 is structural schematic diagram after the water meter case of a certain embodiment of the utility model assembles；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the structural decomposition diagram of Fig. 1；
Fig. 4 is the main body of Fig. 1 embodiment and the cooperation cross-sectional view of centre circle, table mouth facing and bottom cover；
Fig. 5 is the agent structure schematic diagram of Fig. 1 embodiment；
Fig. 6 is the table mouth facing structural schematic diagram of Fig. 1 embodiment；
Fig. 7 is the centre circle structural schematic diagram of Fig. 1 embodiment；
Fig. 8 a is the water inlet pipe or service branch structure schematic diagram with circular section shape；
Fig. 8 b is the water inlet pipe or service branch structure schematic diagram with elliptical shape in cross-section；
Fig. 9 is the structural schematic diagram of flow deflector.
Specific embodiment
In order to make those skilled in the art more fully understand the utility model, thus to the model of the requires of the utility model protection
It encloses to make and more clearly limit, the utility model is described in detail in certain specific embodiments of the utility model below.
It should be noted that being only a part reality that certain specific embodiments of the utility model design are only the utility model below
Example is applied, wherein the specific direct description for dependency structure is only to understand the utility model for convenience, each specific features are simultaneously
Not certainly, directly limit the scope of the utility model.Those skilled in the art are under the guidance that the utility model is conceived
Made conventional selection and replacement are regarded as in the range of the requires of the utility model is protected.
A kind of water meter case is mainly made of main body 100, water inlet pipe 210, outlet pipe 220 and centre circle 120, the master
Body 100 is equipped with water inlet 101 and water outlet 102, and water inlet pipe 210 and outlet pipe 220 are respectively cooperating in water inlet 101 and water outlet
At mouth 102, cavity 110 is equipped in main body 100, centre circle 120 is set in cavity 110 and cavity 110 is divided into epicoele above and below
Room 111 and lower chambers 112, centre circle 120 are equipped with watch core hole 123；Water flow is successively through water inlet pipe 210, water inlet 101, lower chambers
112, watch core hole 121, upper chamber 111, water outlet 102 and outlet pipe 220 flow through the water meter case.Centre circle 120 is fixed on main body
In 100 and for metering watch core setting, around seal so that water flow can only be flowed through through watch core to measure, 210 He of water inlet pipe
Outlet pipe 220 is respectively welded on 100 outer wall of main body around water inlet 101 and water outlet 102, water inlet 101 and water outlet
102 are divided into the following above and of 120 place plane of centre circle.
100 upper end of main body is formed with necking 130, necking 130 and the whole integrated molding of main body 100 and stamped necking
After formed, at necking 130 internal diameter be less than cavity 110 at so that the water meter case structural strength is promoted.The water meter case is also
Including table mouth facing 140 and bottom cover 150, table mouth facing 140 is matched at necking 130, and table mouth facing 140 further comprises screw thread
Portion 141 and interconnecting piece 142, interconnecting piece 142, which is sheathed in or beyond necking 130, (both i.e. has the internal diameter and outer diameter matched, i.e. base
This is equal), threaded portion 141 is equipped with external screw thread and uses so that watch core is fixed, and table mouth facing 140 is welded and fixed with main body 100；Main body
100 bottoms are formed with opening 104, bottom cover 150 be matched at opening 104 and with 100 welded seal of main body.
The inner end 203 of the water inlet pipe 210 and outlet pipe 220 and equal 100 outer wall welded seal of main body, shape at outer end 204
At external screw thread for connection water pipe.Water inlet 101 and water outlet 102 be preferably semicircle, and the two is to be oppositely directed to
Mode is set to 100 relative position of main body so that water inlet 101 and water outlet 102 close at centre circle 120 for plane or
The structure of almost plane, in favor of the setting of centre circle 120 and the first flow deflector 201 and the second flow deflector 202.
In certain embodiments, the first flow deflector 201 and are further respectively had in the water inlet pipe 210 and outlet pipe 220
Two flow deflectors 202, the first flow deflector 201 and the second flow deflector 202 are set to outside water inlet pipe 210 or outlet pipe 220 and main body 100
It between wall, and is welded and fixed, to carry out water conservancy diversion to the fluid in water inlet pipe 210 and outlet pipe 220, to avoid liquid in water inlet
Mouthfuls 101 and water outlet 102 near vortex and influence measuring accuracy.As shown in figure 9, two flow deflectors 201,202 all have connection
201a and diversion division 201b, connecting pin 201a is held to be soldered on 100 outer wall of main body at water inlet 101 or water outlet 102, water conservancy diversion
Portion 201b is then soldered to 220 inner wall of water inlet pipe 210 and outlet pipe, so that it cooperates as illustrated in fig. 2, after water flow is via its water conservancy diversion
Mainly flowed through out of its lower/upper side channel.For the first flow deflector 201 and the second flow deflector 202, it is welded and fixed one
As by three points, i.e., at the both ends of connecting pin 201a and the front end of diversion division 201b, naturally it is also possible in this base
Correspondingly increase several welding points, even complete welded seal on plinth.
In further embodiments, the centre circle 120 is made of centre circle main body 121 and flanging 122, and watch core hole 123 is arranged
In centre circle main body 121, flanging 122 is set to 121 periphery of centre circle main body and is provided projectingly to side.For in manufacture, to original
Punching is in the middle part of flitch material to form watch core hole 123, and surrounding forms centre circle main body 121, then to the peripheral to a certain of centre circle main body 121
Side carries out bending to form flanging 122；The centre circle 120 of the structure can increase structural strength by flanging, be also beneficial to simultaneously
Centre circle 120 is in the welding in cavity 110, and the structure of flanging can also make up manufacturing tolerance and increase centre circle fixed effect.
In some other embodiment, 100 bottom of main body is also formed with lower necking 103, and lower necking 103 is by main body
100 stamping neckings and formed so that the opening 104 of 100 bottom of main body is smaller compared with for cavity, while the bottom of water meter case
Profile is also more mellow and fuller；More preferably, the bottom cover 150 is made of 120 heel of centre circle；After 100 bottom necking of main body, bottom
Lid 150 it is smaller so that it is possibly realized using 123 heel of watch core hole of centre circle 120.That is, by size
A suitable plate is processed, and the heel in processing watch core hole 123 further processes available bottom cover 150, so as to
Wastage of material is reduced, reduces cost, and process complexity does not change substantially.
In further embodiments, the connecting pin 203 of the water inlet pipe 210 and outlet pipe 220 is arranged to have circle
Or there is circular cross sectional shape to be conducive to for the cross sectional shape of oval (or approximate ellipsoidal), water inlet pipe 210 or outlet pipe 220
Manufacture, ellipse or approximate ellipsoidal are then more close in appearance with the casting water meter case of mainstream now, are conducive to finished product
The sale of watchcase.
It is the main component structure of the water meter case above, for raw material material, can be the tubing of metal or alloy
And plate, preferably stainless steel pipe and stainless steel materials, specific process can be such that
1, take a stainless steel pipe, open up inlet and outlet respectively in its side wall relative position, and to its it is suitable for reading into
Row necking is processed to form necking, and main body blank is obtained；
2, another stainless steel pipe is taken, carries out punch forming to it to form the overall shape of water inlet pipe and outlet pipe, and
Machining is carried out to connecting pin, the outer wall of the end of thread is processed, so that its connecting pin shape matches with body outer wall,
The external screw thread of the end of thread meets laws and regulations requirement, so as to form water inlet pipe and outlet pipe；Section of water inlet pipe and outlet pipe connecting pin
Face shape can be it is round excessively oval, inside/outside diameter can be gradual change (i.e. from the end of thread to connecting pin, inlet tube and outlet tube entirety
On it is increasingly thicker)；
3, it takes a stainless steel materials to carry out punching press and molding to it, forms it into centre circle；And watch core hole is punched down
Heel is further processed, to obtain bottom cover；
4, a stainless steel pipe is taken, it is processed to form threaded portion and interconnecting piece, to obtain table mouth facing；
5, it takes a stainless steel materials to carry out punching press and molding to it, obtains the first flow deflector and the second flow deflector；
6, centre circle is set in main body and is welded and fixed, and ensure centre circle and main body inner wall tight welded seal everywhere；
7, bottom part body is processed to form lower necking, then bottom cover is welded at lower necking, and is each to arround
The tight welding in place；
8, table mouth facing is sheathed at the necking of main body and is welded and fixed；
9, the first flow deflector and the second flow deflector are matched on body outer wall, and spot welding is carried out to fix the to its both ends
One flow deflector or the second flow deflector；
10, water inlet pipe and outlet pipe are matched on the first flow deflector and the second flow deflector, and to itself and body outer wall
Junction is tightly welded, to obtain water meter case.
For the water meter case, between centre circle and cavity inner wall, between table mouth facing and necking, water inlet pipe and water outlet
Tight welding to be between pipe and body outer wall to seal, the first flow deflector and the second flow deflector and body outer wall or water inlet pipe or
Be discharged between inside pipe wall, then not rigid sealing requirements, spot welding more than three points can (certainly more points as in
Complete welded seal is easily feasible).
Claims (9)
1. a kind of water meter case, including main body (100), water inlet pipe (210), outlet pipe (220) and centre circle (120), the master
Body (100) is equipped with water inlet (101) and water outlet (102), and water inlet pipe (210) and outlet pipe (220) are respectively cooperating in water inlet
At mouth (101) and water outlet (102), cavity (110) are equipped in main body (100), centre circle (120) is set in cavity (110) simultaneously
Cavity (110) is divided into upper chamber (111) and lower chambers (112), centre circle (120) is equipped with watch core hole (123)；Its feature exists
In,
Main body (100) upper end is formed with necking (130), and necking (130) is integrally formed with main body (100) and stamped necking
After form, at necking (130) internal diameter be less than cavity (110) at so that water meter case structural strength is promoted；
The water meter case further includes table mouth facing (140) and bottom cover (150), and table mouth facing (140) is matched with necking (130)
Place, table mouth facing (140) further comprises threaded portion (141) and interconnecting piece (142), and interconnecting piece (142) is sheathed on necking (130)
Inner or outer, table mouth facing (140) is welded and fixed with main body (100)；Main body (100) bottom is formed with opening (104), bottom cover
(150) be matched at opening (104) and with main body (100) welded seal.
2. water meter case according to claim 1, which is characterized in that in the water inlet pipe (210) and outlet pipe (220) also
It is respectively equipped with the first flow deflector (201) and the second flow deflector (202), the first flow deflector (201) and the second flow deflector (202) are all provided with
It is placed between water inlet pipe (210) or outlet pipe (220) and main body (100) outer wall, and welded seal.
3. water meter case according to claim 2, which is characterized in that first flow deflector (201) and the second flow deflector
(202) there is connecting pin (201a) and diversion division (201b), connecting pin (201a) is welded in water inlet (101) or water outlet
(102) on main body (100) outer wall at, diversion division (201b) is soldered to water inlet pipe (210) and outlet pipe (220) inner wall.
4. water meter case according to claim 1, which is characterized in that the centre circle (120) include centre circle main body (121) and
Flanging (122), watch core hole (123) be arranged centre circle main body (121) on, flanging (122) be set to centre circle main body (121) periphery and to
Side is provided projectingly.
5. water meter case according to claim 1, which is characterized in that main body (100) bottom is also formed with lower necking
(103), lower necking (103) is formed by main body (100) stamping necking.
6. water meter case according to claim 1, which is characterized in that the water inlet (101) and water outlet (102) are in half
Circular shape, and the two is set to main body (100) relative position in a manner of being oppositely directed to.
7. water meter case according to claim 1, which is characterized in that the company of the water inlet pipe (210) and outlet pipe (220)
It connects end (203) and is arranged to that there is circular cross sectional shape.
8. water meter case according to claim 1, which is characterized in that the company of the water inlet pipe (210) and outlet pipe (220)
It connects end (203) and is arranged to the cross sectional shape with ellipse.
9. water meter case according to claim 1, which is characterized in that the water meter case uses stainless steel tube and stainless steel
Plate or copper pipe and copper sheet are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730801.1U CN209656121U (en) | 2019-05-21 | 2019-05-21 | Water meter case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730801.1U CN209656121U (en) | 2019-05-21 | 2019-05-21 | Water meter case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209656121U true CN209656121U (en) | 2019-11-19 |
Family
ID=68530432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920730801.1U Active CN209656121U (en) | 2019-05-21 | 2019-05-21 | Water meter case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209656121U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203691A (en) * | 2020-01-17 | 2020-05-29 | 玉环市展帆机械有限公司 | Processing method of water meter shell |
| CN112067075A (en) * | 2020-09-10 | 2020-12-11 | 安徽水联水务科技有限公司 | NB-IoT ultrasonic intelligent water meter |
-
2019
- 2019-05-21 CN CN201920730801.1U patent/CN209656121U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203691A (en) * | 2020-01-17 | 2020-05-29 | 玉环市展帆机械有限公司 | Processing method of water meter shell |
| CN111203691B (en) * | 2020-01-17 | 2021-04-30 | 玉环市展帆机械有限公司 | Processing method of water meter shell |
| CN112067075A (en) * | 2020-09-10 | 2020-12-11 | 安徽水联水务科技有限公司 | NB-IoT ultrasonic intelligent water meter |
| CN112067075B (en) * | 2020-09-10 | 2022-05-17 | 安徽水联水务科技有限公司 | NB-IoT ultrasonic intelligent water meter |
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