CN2055248U - Dismantlable helical blade type water meter - Google Patents
Dismantlable helical blade type water meter Download PDFInfo
- Publication number
- CN2055248U CN2055248U CN 89216823 CN89216823U CN2055248U CN 2055248 U CN2055248 U CN 2055248U CN 89216823 CN89216823 CN 89216823 CN 89216823 U CN89216823 U CN 89216823U CN 2055248 U CN2055248 U CN 2055248U
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- CN
- China
- Prior art keywords
- gear
- counter
- worm screw
- housing
- water meter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a dismountable helical-vane-type water meter, relating to a counting device for the flow rate of tap water. In the utility model, a rectifier, an impeller, a worm screw, worm wheels, transmission shafts which are arranged on an upper and a lower support frames, and magnetic steel inserts are arranged in a shell I; the rectifier, the impeller, the worm screw, the worm wheels, the transmission shafts, and the magnetic steel inserts are transferred to a centre gear and a gear speed reducing mechanism which are arranged in a shell II which is sealed by copper; as a result, the worm screw is driven to drive a character wheel and a cone to rotate for counting. A pair of an upper and a lower clamping plates obtain various transmitting ratios through conversion and selection of the number of the teeth of gears so that the requirements of water meters which have eleven caliber types within the subsection ranging from phi 50-phi 500 are met. The utility model also has the advantages of simple and compact structure, high counting precision, high versatility, and convenient assembly, disassembly, and maintenance.
Description
The utility model relates to the flow instrument device in the instrument and meter for automation, the particularly counting assembly of tap water flow.
Water meter structure in the prior art, current impact impeller drive worm screw through rectifier and rotate synchronously, and the worm gear that driving is engaged with rotates, make counter show value through transmission shaft, the gear reduction of I level, and counter itself also has II level gear reduction, so, part is a lot of in addition for the gear in the water meter, makes it complex structure, bulky.Secondly, sealing adopts the lubricating cup structure easily to leak, and pollutes the upper strata counter.The 3rd, a kind of water meter of specification bore need be joined the counter of one pair of upper and lower clamping plate, and versatility is very poor, gives and produces, keeps in repair and manage and all make troubles.
The purpose of this utility model is for fear of weak point of the prior art and provide a kind of simple in structure, sealing, detachable helical vane type water meter that versatility is good to society.
The utility model has following accompanying drawing:
Fig. 1 is the structure cut-open view of detachable helical vane type water meter.
Fig. 2 is the A-A cut-open view of Fig. 1.
Fig. 3 is sequence number 5 counter structure cut-open views.
Fig. 4 is a counter annular wheel reducing gear stretch-out view.
According to above-mentioned accompanying drawing the utility model is described in detail.
The design of the detachable helical vane type water meter of the utility model is according to N, S the two poles of the earth same sex is repelled, the principle that there is a natural attraction between the sexes replaces the gear-driven structural shape of I level with the magnet steel transmission, its embodiment is: with reference to Fig. 1, Fig. 2, in the housing I (1) that connects water supply pipe, rectifier (2) is housed, impeller (10) and worm screw (12) are housed on its external part, with upper bracket (9) and lower carriage (11) is that transmission shaft (7) the lower end pressure injection of supporting has worm gear (13) and worm screw (12) engagement, and pressure injection is pressed with magnet steel inserts (6) on the dish type flange of transmission shaft (7) upper end.Tap water forms spurting through fairshaped rectifier (2) and impacts impeller (10) and rotate, and makes worm screw (12) drive with the worm gear (13) of its engagement and has transmission shaft (7) rotation of magnet steel inserts (6).
Counter (5) is positioned at housing I (1) top, is fixedly connected on housing I (1) by blind flange (8), end cap (4) location and screw (3), and the housing II (14) of counter (5) is to adopt the copper sheet structure of sealing.(with reference to Fig. 3, Fig. 4) has train wheel bridge (15) and lower plate (21) in the housing II (14), adopts pilot hole to be press-fitted structure, and the II level gear reduction that character wheel (18), gear wheel (19) mesh is positioned between upper and lower clamping plate (15), (21).For magnet steel inserts (6) structure with transmission shaft (7) upper end is complementary, the central gear Z on the central shaft in the counter (5)
1(17) lower end also is pressed with magnet steel inserts (20), and this magnet steel should satisfy the requirement of sensitivity, and the requirement of not taking off magnetic when satisfying big flow again is so must select for use magnetic is appropriate, permanent magnetism is good strontium ferrite as the magnet steel inserts.The transmission of counter (5) is exactly by magnet steel and central gear Z on the transmission shaft (7)
1(17) magnet steel makes power input, the gear Z in gear reduction
2(23), Z
3(22), Z
4(24), Z
5(30), Z
6(25), Z
7(28), worm screw (26) drives character wheel (18) and gear wheel (19) and reaches the purpose of counting.Module chooses 0.4, and the number of teeth is selected to satisfy following condition simultaneously: (1) Z
2-Z
3〉=4 or Z
2=Z
3, (2) Z
4-Z
5〉=4 or Z
4=Z
5, (3) Z
3+ Z
4＞Z
2+ 3, (4) Z
6+ Z
5＞Z
4+ 3, present embodiment is got Z
1=10～14, Z
2=25～35, Z
3=11～20, Z
4=20～35, Z
5=13～25, Z
6=30, Z
7=15.Worm screw (a 26) number is chosen 1～3.By the said gear conversion required ratio of gear of different size bore water meter of can arranging in pairs or groups out.In order to reduce the friction force between driving torque and gear, the material of gear and worm screw is all selected engineering plastics for use, and gear and tooth axle adopt overall plastic one-piece construction, to improve transmission accuracy and simplified processing process.
On the lower plate (21) of counter (5) mounting center gear Z is arranged
1(17) pinion stand (31) and the recessed shoulder of axis hole (29), there is boss (27) at recessed shoulder place at the corresponding lower plate of train wheel bridge (15) (21), supporting as the gear shaft location and installation, present embodiment has also been laid in three pairs of recessed shoulders and boss, in order to the needs of collocation new transmission ratio, upper and lower clamping plate (15), (21) are also with overall plastic manufacturing.Dial (16) adopts the aluminium surface.It is box-like that the counting of counter (5) shows that employing prior art character wheel (18) adds pointer set, makes interpretation precision height, checks meter conveniently.Character wheel (18) end face increases the carry chamfering, makes it rotate that flexible torque is little, a word is good.
According to the water meter of the utility model design, replace gear drive with the magnet steel transmission, saved the gear drive of I level and middle clamp plate and so on part in addition, make simple and compact for structurely, also improved transmission accuracy and measuring accuracy.Gear change between one pair of upper and lower clamping plate selects to arrange in pairs or groups out different drive ratios, to satisfy the water meter needs of 11 kinds of bores in φ 50～φ 500 segmentations, versatility improves greatly, changed a kind of traditional structure of a kind of counter of water meter of specification bore in the past, brought great convenience for production and management.Because counter adopts the copper seal structure, bleeds back and the problem of contamination counter with regard to there not being current.Concerning maintenance, also need not integral body and pull down and carry out,, can take off in the housing I partly sum counter total of movement as long as remove screw.
Claims (2)
1, a kind of detachable helical vane type water meter, comprise rectifier (2) is housed in the housing I (1), its external part has impeller (10) and worm screw (12), the worm gear (13) that meshes with worm screw (12) is equipped with in transmission shaft (7) lower end that is bearing on upper bracket (9) and the lower carriage (11), counter (5) is positioned at housing I (1) top, by blind flange (8), end cap (4) location and screw (3) are fixedly connected on housing I (1), on in this counter (5) housing II (14), lower plate (15), (21) be equipped with between and character wheel (18), gear wheel (19) meshed gears reducing gear is characterized in that:
A, transmission shaft (7) upper end are pressed with magnet steel inserts (6),
B, counter (5) housing II (14) are the copper sheet structures of sealing,
The magnet steel inserts (6) of c, corresponding transmission shaft (7) upper end, the central gear Z in counter (5)
1(17) lower end also is pressed with the magnet steel inserts (20) that is complementary,
Gear reduction in d, the counter (5) is by the central gear Z on the central shaft
1(17) warp and gear Z
2(23), Z
3(22), Z
4(24), Z
5(30), Z
6(25), Z
7(28) slow down the back by worm screw (26) driving character wheel (18), gear wheel (19) rotation,
Pinion stand (31) and the recessed shoulder of axis hole (29) are arranged on e, the lower plate (21), on the Dui Ying train wheel bridge (15) boss (27) is arranged therewith.
2, detachable helical vane type water meter as claimed in claim 1 is characterized in that the gear of gearing-down and tooth axle are overall plastic one-piece constructions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89216823 CN2055248U (en) | 1989-09-04 | 1989-09-04 | Dismantlable helical blade type water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89216823 CN2055248U (en) | 1989-09-04 | 1989-09-04 | Dismantlable helical blade type water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2055248U true CN2055248U (en) | 1990-03-28 |
Family
ID=4872193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89216823 Withdrawn CN2055248U (en) | 1989-09-04 | 1989-09-04 | Dismantlable helical blade type water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2055248U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322913A (en) * | 2011-06-14 | 2012-01-18 | 董银辉 | Oblique angle counter water meter |
| CN104568083A (en) * | 2015-01-22 | 2015-04-29 | 成都秦川科技发展有限公司 | Mechanical counter and method for measuring electro-mechanical transformation durability of gas meter by the same |
-
1989
- 1989-09-04 CN CN 89216823 patent/CN2055248U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322913A (en) * | 2011-06-14 | 2012-01-18 | 董银辉 | Oblique angle counter water meter |
| CN102322913B (en) * | 2011-06-14 | 2013-05-15 | 宁波市埃美仪表制造有限公司 | Water meter with oblique angled counter |
| CN104568083A (en) * | 2015-01-22 | 2015-04-29 | 成都秦川科技发展有限公司 | Mechanical counter and method for measuring electro-mechanical transformation durability of gas meter by the same |
| CN104568083B (en) * | 2015-01-22 | 2018-04-20 | 成都秦川物联网科技股份有限公司 | Mechanical counter and the method using its measurement gas meter, flow meter data-collection durability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |