CN109932006B - Water meter shell - Google Patents
Water meter shell Download PDFInfo
- Publication number
- CN109932006B CN109932006B CN201910317299.6A CN201910317299A CN109932006B CN 109932006 B CN109932006 B CN 109932006B CN 201910317299 A CN201910317299 A CN 201910317299A CN 109932006 B CN109932006 B CN 109932006B
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- Prior art keywords
- water inlet
- water
- pipe
- water outlet
- outlet pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 172
- 238000003466 welding Methods 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000004080 punching Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 24
- 241001272720 Medialuna californiensis Species 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 4
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model provides a water meter shell, including table body (1), inlet tube (2), outlet pipe (3), core retainer plate (4), table body (1) includes body (21) and embedded upper end ring (22), body (21), upper end ring (22), table body (1), inlet tube (2), outlet pipe (3) are formed by the steel pipe punching press respectively, table body (1) lower extreme forms arc shrink ring (6) around lower port (5), water inlet (7), delivery port (8) are seted up to body (21) both sides, lower port (5) welding small round steel sheet (12) are as the casing bottom, the upper end sets up port external screw thread (13); the outer ends of the water inlet pipe (2) and the water outlet pipe (3) are provided with pipe connecting external threads (19), the inner ends are cut by laser to form a cambered surface opening (14), and the inner ends are welded to the outer surfaces of the water inlet (7) and the water outlet (8) of the meter body (1) respectively; the water meter shell is light and thin in material, light in weight and low in manufacturing cost, and meets the environmental protection requirement.
Description
Technical Field
The invention belongs to the technical field of water meter manufacturing, and particularly relates to a water meter shell formed by stamping and welding steel pipes or steel plates.
Background
Most of water meter shells in the current market are cast and formed by ductile cast iron or brass; because the casting molding process is adopted, the watchcase has larger thickness and heavy weight, and casting defects such as air holes, shrinkage walls and the like are easy to generate, so that the production efficiency is low; cast iron is easy to rust, the water quality is affected, and the brass casting cost is high; meanwhile, the waste gas in the production process is more, and the environmental and human body effects are greatly affected.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a water meter shell formed by stamping and welding steel pipes or steel plates according to the current state of the art.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a water meter shell, includes table body (1), sets up inlet tube (2), outlet pipe (3) in table body (1) left and right sides to and set up core retainer plate (4) in table body (1), its characterized in that, table body (1) include body (21) and upper end ring (22) of embedding in the last port of body (21), upper end ring (22), inlet tube (2), outlet pipe (3) are respectively by the steel pipe punching press of corresponding diameter form, the arc shrink ring (6) of encircleing lower port (5) are formed to body (21) lower extreme, water inlet (7), delivery port (8) are seted up respectively to the left and right sides of body (21); a small round steel plate (12) is welded at the lower port (5) of the body (21) through a laser welding process to serve as a shell bottom; the upper end of the upper end ring (22) is provided with a port external thread (13); the outer ends of the water inlet pipe (2) and the water outlet pipe (3) which are formed by stamping are provided with pipe connecting external threads (19), the inner ends of the pipe connecting external threads are cut by laser to form cambered surface openings (14) matched with the outer surfaces of the water inlet (7) and the water outlet (8) of the meter body (1), and the cambered surface openings are welded to the outer surfaces of the water inlet (7) and the water outlet (8) of the meter body (1) respectively by a laser welding process; the upper end ring (22) and the body (21) are welded by adopting a laser welding process, and the movement positioning ring (4) is welded in the inner cavity of the body (21) by adopting the laser welding process.
The following is a further embodiment of the present invention.
The water inlet (7) and the water outlet (8) are in a half-moon shape formed by an arc line (15) and a chord line (16), the half-moon arc line (15) of the water inlet (7) is arranged below and the chord line (16) is arranged above, the half-moon arc line (15) of the water outlet (8) is arranged above and the chord line (16) is arranged below, and the water inlet (7) and the water outlet (8) are identical in shape, equal in size and opposite in upper and lower directions; the water inlet pipe (2) and the water outlet pipe (3) are identical, the inner end of the water inlet pipe (2) and the water outlet pipe (3) can be interchanged, the inner end of the water inlet pipe is larger than the outer end of the water inlet pipe, the inner end inner cavity of the water inlet pipe is larger than the water inlet (7) or the water outlet (8), the outer wall and the inner wall of the water inlet pipe (2) or the water outlet pipe (3) are punched to form a cutting plane (17), the inner end of the water inlet pipe (2) or the water outlet pipe (3) is also in a half-moon shape matched with the water inlet (7) and the water outlet (8) and formed by an arc line (15) and a string (16), the cutting plane (17) of the water inlet pipe (2) is arranged on the water inlet pipe (2) and the cutting plane (17) of the water outlet pipe (3) is arranged on the water outlet pipe.
The inner cavity wall of the watch body (1) is provided with a lower positioning step (23) and an upper positioning step (24), and the movement positioning ring (4) and the upper end ring (22) are respectively arranged on the lower positioning step (23) and the upper positioning step (24) and are respectively welded with the inner cavity wall of the body (21) through a laser welding process.
Triangular reinforcing ribs (18) are arranged between the cutting plane (17) of the water inlet pipe (2) and the outer wall of the meter body (1), and small holes (20) for adding lead seals are formed in the reinforcing ribs (18).
And the surfaces of the inner cavities of the surface body (1), the water inlet pipe (2) and the water outlet pipe (3) are sprayed with a Teflon coating layer or a nickel coating layer to form an antirust protective layer.
The water meter shell, the water inlet pipe and the water outlet pipe are all formed by stamping high-quality carbon structural steel, so that the water meter shell is good in material extensibility, uniform in wall thickness and good in flow consistency, waste gas is not generated in the production process, and the water meter shell is suitable for mass production. The water inlet hole and the water outlet hole are cut by laser, so that the machining precision of the parts is well ensured. All the connecting parts adopt an advanced laser welding process, so that the welding precision, strength and compactness are ensured. The water meter shell is light and thin in material, light in weight and low in manufacturing cost, and meets the environmental protection requirement. The structural design of the water inlet and the water outlet of the meter body, the water inlet pipe and the water outlet pipe not only can meet the upper and lower position requirements of water inflow and outflow, but also can effectively reduce the loss of water inflow pressure, keep water inflow stable and ensure stable water inflow flow; and is also convenient to manufacture. In addition, the meter body of the water meter shell is formed by welding a body and an upper end ring embedded in an upper port of the body, the body and the upper end ring are respectively formed by stamping steel pipes with corresponding diameters, compared with the integral meter body of the meter body, the forming process is more reasonable and reliable, the stamping die structure is simpler and more reliable, the upper end flanging procedure after stamping and forming of the integral meter body is omitted, and the external threads of the port are more reliable and convenient to manufacture; the depth of the body is shallow, the round steel plate can be directly used for stamping forming, and the process of welding a small round steel plate as the bottom of the shell can be omitted.
Drawings
Fig. 1 is a schematic view of the overall water meter housing of the present invention.
Fig. 2 is a schematic overall cross-sectional view of a water meter housing according to the present invention.
Fig. 3 is a top perspective view showing the separation state of the welding parts of the water meter shell according to the invention.
Fig. 4 is a bottom perspective view showing the separation state of each component welding part of the water meter shell according to the invention.
Fig. 5 is a schematic top view of the body.
Fig. 6 is a schematic perspective view of the body in a bottom view.
Fig. 7 is a perspective view showing the cut-out state of the outer wall of the water inlet pipe or the water outlet pipe.
Fig. 8 is a perspective view showing a state that the inner wall of the water inlet pipe or the water outlet pipe is cut flat.
Detailed Description
Specific embodiments of the present invention will be described below with reference to fig. 1 to 8.
The utility model provides a frivolous type water gauge casing, as shown in fig. 1 through 4, including table body 1, set up inlet tube 2, outlet pipe 3 in table body 1 left and right sides to and set up the core retainer 4 in table body 1, table body 1 includes body 21 and the upper end ring 22 of embedding in the upper port of body 21, and body 21, upper end ring 22, inlet tube 2, outlet pipe 3 are respectively by the punching press of the steel pipe of corresponding diameter, specifically can adopt high-quality carbon construction steel's steel pipe. The lower end of the body 21 forms an arc-shaped contraction ring 6 encircling the lower port 5, and the left side and the right side of the body 21 are respectively provided with a water inlet 7 and a water outlet 8; the lower port 5 of the body 21 is welded with a small round steel plate 12 serving as a bottom of the shell through a laser welding process; the upper end of the upper end ring 22 is provided with a port external thread 13; the outer ends of the water inlet pipe 2 and the water outlet pipe 3 which are formed by stamping are provided with pipe connecting external threads 19, the inner ends of which are cut by laser to form cambered surface openings 14 matched with the outer surfaces of the water inlet 7 and the water outlet 8 of the meter body 1, and the cambered surface openings are welded to the outer surfaces of the water inlet 7 and the water outlet 8 of the meter body 1 respectively by a laser welding process; the upper end ring 22 and the body 21 are welded by adopting a laser welding process, and the movement positioning ring 4 is also welded in the inner cavity of the body 21 by adopting the laser welding process.
Because the water inlet position of the movement is lower and the water outlet position is higher, water flows from the lower position to the movement for metering (driving the impeller to rotate) and flows out from the higher position, as shown in fig. 5 and 6, the water inlet 7 of the meter body 1 is lower and the water outlet 8 is higher. The water inlet 7 and the water outlet 8 of the watch body 1 are in a half-moon shape formed by the arc 15 and the chord line 16, the half-moon arc 15 of the water inlet 7 is arranged below and the chord line 16 is arranged above, the half-moon arc 15 of the water outlet 8 is arranged above and the chord line 16 is arranged below, the water inlet 7 and the water outlet 8 are identical in shape, equal in size and opposite in upper and lower directions. As shown in fig. 7 and 8, the water inlet pipe 2 and the water outlet pipe 3 are identical, the inner ends of the water inlet pipe 2 and the water outlet pipe 3 are larger than the outer ends, the inner end inner cavity of the water inlet pipe is larger than the water inlet 7 or the water outlet 8, the outer wall and the inner wall of the water inlet pipe 2 or the water outlet pipe 3 are punched to form a cutting plane 17, the inner ends of the water inlet pipe 2 or the water outlet pipe 3 are also in a half-moon shape which is matched with the water inlet 7 and the water outlet 8 and is formed by an arc line 15 and a string 16, the cutting plane 17 of the water inlet pipe 2 is arranged on the upper surface, and the cutting plane 17 of the water outlet pipe 3 is arranged below. The design can not only meet the upper and lower position requirements of water flow entering and exiting, but also effectively reduce the loss of water inlet pressure, keep water inlet stable and ensure stable water inlet flow; and is also convenient to manufacture.
In order to facilitate positioning of the movement positioning ring 4 and the upper end ring 22, as shown in fig. 2 or fig. 5, the inner cavity wall of the watch body 1 is provided with a lower positioning step 23 and an upper positioning step 24, and the movement positioning ring 4 and the upper end ring 22 are respectively arranged on the lower positioning step 23 and the upper positioning step 24 and are respectively welded with the inner cavity wall of the body 21 through a laser welding process.
As shown in fig. 1 to 4, a triangular reinforcing rib 18 is arranged between the cutting plane 17 of the water inlet pipe 2 and the outer wall of the meter body 1, and small holes 20 are formed in the reinforcing rib 18 and used for adding lead seals so as to prevent illegal disassembly by others; the arrangement of the reinforcing ribs 18 can also strengthen the connection firmness of the water inlet pipe 2 and the meter body 1. In order to prevent the inner cavity wall of the watch body 1 from rusting with the inner walls of the water inlet pipe 2 and the water outlet pipe 3, the inner cavity surfaces of the watch body 1, the water inlet pipe 2 and the water outlet pipe 3 are sprayed with a Teflon coating layer or a nickel coating layer to form an anti-rust protection layer. The outer wall surfaces of the watch body 1, the water inlet pipe 2 and the water outlet pipe 3 are coated with paint to prevent rust and be beautiful.
Because the surface body 1, the water inlet pipe 2 and the water outlet pipe 3 are all formed by stamping steel pipes made of high-quality carbon structural steel, the extensibility of the materials is good, the surface body is uniform in wall thickness and good in flow consistency, no waste gas is generated in the production process, and the method is suitable for mass production. The water inlet hole and the water outlet hole are cut by laser, so that the machining precision of the parts is well ensured. All the connecting parts adopt an advanced laser welding process, so that the welding precision, strength and compactness are ensured. Because the depth of the body is shallow, the stamping forming of the round steel plate can be directly adopted, and the process of welding the small round steel plate 12 as the bottom of the shell can be omitted; of course, the round steel plate also adopts high-quality carbon structural steel.
The water meter shell is provided with the movement, the rubber ring, the water meter glass, the PVC gasket, the water meter cover and other structural members, thus the complete water meter is realized. Tap water enters from the water inlet and flows out from the water outlet through the water meter core, so that the metering of water can be realized. The connection among all parts of the water meter shell is realized through an advanced laser welding process, so that the welding precision, strength and compactness are ensured. The water meter shell is suitable for manufacturing the wet large-movement water meter, the working water pressure is less than or equal to 1.0MPa, and the medium is tap water generally.
Claims (3)
1. The utility model provides a water meter shell, includes table body (1), sets up inlet tube (2), outlet pipe (3) in table body (1) left and right sides to and set up core retainer plate (4) in table body (1), its characterized in that, table body (1) include body (21) and upper end ring (22) of embedding in the last port of body (21), upper end ring (22), inlet tube (2), outlet pipe (3) are respectively by the steel pipe punching press of corresponding diameter form, the arc shrink ring (6) of encircleing lower port (5) are formed to body (21) lower extreme, water inlet (7), delivery port (8) are seted up respectively to the left and right sides of body (21); a small round steel plate (12) is welded at the lower port (5) of the body (21) through a laser welding process to serve as a shell bottom; the upper end of the upper end ring (22) is provided with a port external thread (13); the outer ends of the water inlet pipe (2) and the water outlet pipe (3) which are formed by stamping are provided with pipe connecting external threads (19), the inner ends of the pipe connecting external threads are cut by laser to form cambered surface openings (14) matched with the outer surfaces of the water inlet (7) and the water outlet (8) of the meter body (1), and the cambered surface openings are welded to the outer surfaces of the water inlet (7) and the water outlet (8) of the meter body (1) respectively by a laser welding process; the upper end ring (22) and the body (21) are welded by adopting a laser welding process, and the movement positioning ring (4) is also welded in the inner cavity of the body (21) by adopting the laser welding process; the water inlet (7) and the water outlet (8) are both in a half-moon shape formed by half-moon arc lines (15) and chord lines (16), the half-moon arc lines (15) of the water inlet (7) are arranged below and the chord lines (16) are arranged above, the half-moon arc lines (15) of the water outlet (8) are arranged above and the chord lines (16) are arranged below, the water inlet (7) and the water outlet (8) are identical in shape, equal in size and opposite in upper and lower directions; the water inlet pipe (2) and the water outlet pipe (3) are identical, the inner ends of the water inlet pipe and the water outlet pipe are larger than the outer ends, the inner end inner cavity of the water inlet pipe is larger than the water inlet (7) or the water outlet (8), the outer wall and the inner wall of the water inlet pipe (2) or the water outlet pipe (3) are punched to form a cutting plane (17), the inner ends of the water inlet pipe (2) or the water outlet pipe (3) are also in a half-moon shape which is matched with the water inlet (7) and the water outlet (8) and is formed by a half-moon arc line (15) and a chord line (16), the cutting plane (17) of the water inlet pipe (2) is arranged on the upper surface, and the cutting plane (17) of the water outlet pipe (3) is arranged on the lower surface; the inner cavity wall of the watch body (1) is provided with a lower positioning step (23) and an upper positioning step (24), and the movement positioning ring (4) and the upper end ring (22) are respectively arranged on the lower positioning step (23) and the upper positioning step (24) and are respectively welded with the inner cavity wall of the body (21) through a laser welding process.
2. A water meter housing according to claim 1, wherein triangular reinforcing ribs (18) are arranged between the cutting plane (17) of the water inlet pipe (2) and the outer wall of the meter body (1), and small holes (20) for adding lead seals are formed in the triangular reinforcing ribs (18).
3. The water meter housing according to claim 1 or 2, wherein the inner cavity surfaces of the meter body (1), the water inlet pipe (2) and the water outlet pipe (3) are coated with a teflon coating or a nickel coating to form an anti-rust protection layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910317299.6A CN109932006B (en) | 2019-04-19 | 2019-04-19 | Water meter shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910317299.6A CN109932006B (en) | 2019-04-19 | 2019-04-19 | Water meter shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109932006A CN109932006A (en) | 2019-06-25 |
| CN109932006B true CN109932006B (en) | 2024-02-06 |
Family
ID=66990462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910317299.6A Active CN109932006B (en) | 2019-04-19 | 2019-04-19 | Water meter shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109932006B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390497B (en) * | 2019-09-30 | 2022-06-10 | 刘伟武 | Method for manufacturing assembled water meter shell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067567A (en) * | 2007-05-21 | 2007-11-07 | 袁瑗 | Metal plate water meter casing forming technology |
| CH700383A1 (en) * | 2009-02-13 | 2010-08-13 | Raphael Fleischhauer | Watch case, has movement holder that is movably retained at elastic sealing element with respect to case body, such that strokes and vibration acting on case body do not transmitted to movement holder |
| CN103542906A (en) * | 2013-06-28 | 2014-01-29 | 刘祥胜 | Manufacturing technique for thin-wall stainless steel water meter casing |
| CN209559279U (en) * | 2019-04-19 | 2019-10-29 | 宁波宁水仪表有限公司 | A kind of water meter case |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011020291A1 (en) * | 2009-08-15 | 2011-02-24 | 江西三川水表股份有限公司 | Water meter casing and manufacturing process thereof |
-
2019
- 2019-04-19 CN CN201910317299.6A patent/CN109932006B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067567A (en) * | 2007-05-21 | 2007-11-07 | 袁瑗 | Metal plate water meter casing forming technology |
| CH700383A1 (en) * | 2009-02-13 | 2010-08-13 | Raphael Fleischhauer | Watch case, has movement holder that is movably retained at elastic sealing element with respect to case body, such that strokes and vibration acting on case body do not transmitted to movement holder |
| CN103542906A (en) * | 2013-06-28 | 2014-01-29 | 刘祥胜 | Manufacturing technique for thin-wall stainless steel water meter casing |
| CN209559279U (en) * | 2019-04-19 | 2019-10-29 | 宁波宁水仪表有限公司 | A kind of water meter case |
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| Publication number | Publication date |
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| CN109932006A (en) | 2019-06-25 |
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