CN203587165U - Dry-type water meter - Google Patents
Dry-type water meter Download PDFInfo
- Publication number
- CN203587165U CN203587165U CN201320821401.4U CN201320821401U CN203587165U CN 203587165 U CN203587165 U CN 203587165U CN 201320821401 U CN201320821401 U CN 201320821401U CN 203587165 U CN203587165 U CN 203587165U
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- China
- Prior art keywords
- impeller
- box
- gearcase
- impeller box
- dry
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- 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.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000009467 reduction Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model discloses a dry-type water meter which comprises an impeller box, an impeller, a gear box, a rotating wheel and a counter, wherein a plurality of arc-shaped flanges are uniformly distributed on the rim of the open end of the impeller box along the circumference; a circular boss clamped with the arc-shaped flanges is arranged at the bottom of the gear box; a jacking column is arranged at the center of the outer box bottom of the gear box; the impeller is mounted in a cavity formed between the bottom of the gear box and the impeller box; a lining at the bottom of the impeller is sleeved upon a tip at the center of the impeller box; the rotating wheel is magnetically coupled with the impeller; the rotating wheel and the counter are arranged in the gear box; one of the rotating wheel and the counter is meshed with a speed reduction gear; an agate lining is arranged in the jacking column of the gear box; a thimble of the impeller is inserted into a central hole of the agate lining. The dry-type water meter has the advantages that the agate lining is arranged in the jacking column of the gear box, and the thimble of the impeller is inserted into the central hole of the agate lining; agate is soft and smooth; the friction between the agate and the thimble is small, so that the friction to be counteracted is reduced, and the actuation energy is reduced. Therefore, the sensitivity of the dry-type water meter is improved.
Description
Technical field
The utility model relates to a kind of water metering apparatus, especially relates to a kind of dry-type meter.
Background technology
Dry-type meter is a kind of water metering apparatus.The counting of dry-type meter is by magnetic coupling, to drive runner by the rotation of impeller, then by gear, coordinates the speed decreasing mechanism being comprised of multiple reduction gearing of counter to be transferred on character wheel and has shown.Existing dry-type meter comprises impeller box, impeller, gearcase, runner sum counter, impeller box open end edge is provided with multiple arc flange that are circularly and evenly distributed, the bottom of gearcase is provided with the round boss engaging with arc flange, impeller is placed in the cavity of gearcase bottom surface and impeller box formation, the thimble of impeller is inserted in the jack of center fore-set at the bottom of gearcase box, the lining of wheel bottom is set on impeller box center top, runner and impeller magnetic coupling, runner sum counter is all arranged in gearcase, runner engages with one of them reduction gearing of counter.This dry-type meter, make wheel rotation need to overcome the friction of thimble and jack hole wall and lining and top friction, therefore exist one to make momentum, but due to gearcase injection mo(u)lding, the inwall of fore-set jack is smooth not, the friction force of impeller thimble and jack hole wall is larger, cause making momentum excessive, sensitivity is not high, some people utilizes this feature, by dripping, the measure such as small current do not reach water flow impact pressure to make momentum, accounted for steathily part water resource, cause water unfairness, urgently improve.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of highly sensitive dry-type meter.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of dry-type meter, comprises impeller box, impeller, gearcase, runner sum counter; Impeller box open end edge is provided with multiple arc flange that are circularly and evenly distributed, and gearcase outer bottom is provided with the round boss engaging with arc flange; Gearcase outer bottom center is provided with fore-set; Impeller is arranged in the cavity that gearcase bottom and impeller box form, and the lining of wheel bottom is set on impeller box center top; Runner and impeller magnetic coupling, runner sum counter is all arranged in gearcase, and runner engages with one of them reduction gearing of counter; In described gearcase fore-set, be provided with agate lining, the thimble of described impeller is inserted in the center pit of agate lining.
As preferably, described impeller box box body bottom offers 3 holes of shoving that are circle distribution, described in shove hole deviation to the angle that becomes 65 ° ~ 75 ° with impeller box cartridge inner surface is set; For regulating adjustable plate and the impeller box bottom of the hole size that shoves fixing.The current that flow into from the hole of shoving flow toward oblique upper, can provide power to impeller on the one hand, give on the other hand impeller impulsive force upwards, reduce because of impeller Action of Gravity Field its bottom lining and impeller box top between the friction force of generation, thereby make dry-type meter sensitiveer.
As preferably, be fitted in filter mantle inwall outside impeller box and be provided with impeller box outer wall close-fitting rectangularly, on rectangular and filter mantle ring wall, offer limbers, described limbers is communicated with water inlet cavity and the impeller box inlet opening of watchcase.When hydraulic pressure is not enough, cannot wash seal water valve open, the impulsive force that current form while flowing into impeller box in the limbers through narrower and small, can make wheel rotation.
Compared with prior art, the utility model has the advantage of and in the fore-set of gearcase, be provided with agate lining, and the thimble that makes impeller is inserted in the center pit of agate lining, agate matter soft light is sliding, little with the friction of thimble, reduced the friction force that need to overcome, also just reduced and made momentum, thus the sensitivity that has improved dry-type meter.
Accompanying drawing explanation
Fig. 1 is cut-open view of the present utility model.
Fig. 2 is the vertical view of the utility model impeller box.
Fig. 3 is the upward view of the utility model impeller box.
Fig. 4 is the vertical view of the utility model impeller.
Fig. 5 is the upward view of the utility model watchcase.
Shown in figure: 1, watchcase, 101, demarcation strip, 102, Crux, 2, table cover, 3, counter, 301, reduction gearing, 4, impeller box, 401, inlet opening, 402, apopore, 403, top, 404, the hole of shoving, 405, arc flange, 5, gearcase, 501, round boss, 502, fore-set, 503, foundation, 6, impeller, 601, lining, 602, thimble, 603, blade, 7, runner, 701, contact pin, 8, adjustable plate, 9, filter mantle, 901, filtering net cylinder, 902, the axis of guide, 903, rectangular, 904, limbers, 10, seal water valve, 11, O-ring seal, 12, agate lining.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
This preferred embodiment is a kind of dry-type meter as shown in Figures 1 to 5, comprises watchcase 1, table cover 2, counter 3, impeller box 4, gearcase 5, impeller 6, runner 7, adjustable plate 8, filter mantle 9 and seal water valve 10, in watchcase 1, be provided with demarcation strip 101, filter mantle 9 is shelved on the demarcation strip 101 of watchcase 1, filter mantle 9 is divided into the inner chamber of watchcase 1 into water cavity and water outlet cavity with demarcation strip 101, the bottom of filter mantle 9 is provided with the filtering net cylinder 901 of indent, the center of filtering net cylinder 901 is fixed with the axis of guide 902, and seal water valve 10 is moving up and down to be set on the axis of guide 902, impeller box 4 is assemblied on filter mantle 9, impeller box 4 ring wall bottoms are provided with 6 inlet openings 401,3 is one group, rotational symmetry arranges, impeller box 4 ring wall tops are provided with 6 apopores that are circularly and evenly distributed 402, and it is top 403 that impeller box 4 bottom centre places are fixed with, and impeller 6 is assemblied in impeller box 4, the lining 601 of impeller 6 bottoms is set on top 403, and impeller box 4 opening parts are provided with arc flange 405, the round boss 501 of gearcase 5 bottoms engages with the arc flange 405 of impeller box 4 opening parts, the center of round boss 501 is provided with fore-set 502, in fore-set 502, be provided with agate lining 12, the thimble 602 of impeller 6 inserts in the center pit of agate lining 12, gearcase 5 middle parts are provided with foundation 503, foundation 503 centers are provided with blind hole, the contact pin 701 of runner 7 bottoms inserts in blind hole, counter 3 is arranged in gearcase 5, runner 7 engages with one of them reduction gearing 301 of counter 3, gearcase 5 opening parts are provided with shelves ring, shelve glass plate is installed on ring, be arranged in the mounting groove of shelving ring middle part and be filled with packing washer, the annular rib of gearcase 5 outer wall upper ends is shelved on the opening part of watchcase 1, between the annular rib of gearcase 5 and watchcase 1 opening part, be provided with O-ring seal 11, table cover 2 screws rear formation sealing with watchcase 1.
Wherein, impeller box 4 box body bottoms offer 3 holes 404 of shoving that are circle distribution, and the oblique setting in hole 404 of shoving, becomes the angle of 65 ° ~ 75 ° with impeller box 4 box bottoms, for the adjustable plate 8 that regulates hole 404 sizes of shoving, is fixed by screws in impeller box 4 bottoms.
In addition, filter mantle 9 inwalls be provided with impeller box 4 outer walls close-fitting rectangular 903, rectangular 903 and filter mantle 9 ring walls on offer limbers 904, limbers 904 is communicated with water inlet cavity and impeller box 4 inlet openings 401 of watchcase 1.When current are small, seal water valve 10 closures, current accelerate behind limbers 904, power are provided to impeller 6, can under the state of dripping, complete counting, can prevent water steathily, find and leak.
Also it should be noted that, the free end of impeller 6 blades 603 is provided with inclined-plane, and the thickness of blade 603 from free end to progressively increasing with the fixing link of impeller 6 wheel shafts.
This dry-type meter is installed for convenience, and watchcase 1 bottom is provided with Crux 102.Watchcase 1 is made by stainless steel, and is equipped with reinforcement between the water inlet end of Crux 102 and watchcase 1 and water side, prevents water meter explosion.
Claims (3)
1. a dry-type meter, comprises impeller box (4), impeller (6), gearcase (5), runner (7) sum counter (3); Impeller box (4) open end edge is provided with multiple arc flange that are circularly and evenly distributed (405), and gearcase (5) outer bottom is provided with the round boss (501) engaging with arc flange (405); Gearcase (5) outer bottom center is provided with fore-set (502); Impeller (6) is arranged in the cavity of gearcase (5) bottom and impeller box (4) formation, and the lining (601) of impeller (6) bottom is set on top (403) of impeller box (4) center; Runner (7) and impeller (6) magnetic coupling, runner (7) sum counter (3) is all arranged in gearcase (5), and runner (7) engages with one of them reduction gearing (301) of counter (3); It is characterized in that: in described gearcase (5) fore-set (502), be provided with agate lining (12), the thimble (602) of described impeller (6) is inserted in the center pit of agate lining (12).
2. dry-type meter according to claim 1, it is characterized in that: described impeller box (4) box body bottom offers 3 holes of shoving (404) that are circle distribution, described in the oblique setting in hole (404) of shoving become the angle of 65 ° ~ 75 ° with impeller box (4) cartridge inner surface; For the adjustable plate (8) that regulates hole (404) size of shoving, fix with impeller box (4) outer bottom.
3. dry-type meter according to claim 2, it is characterized in that: the inwall that is fitted in the outer filter mantle (9) of impeller box (4) is provided with and impeller box (4) outer wall close-fitting rectangular (903), on rectangular (903) and filter mantle (9) perisporium, offer limbers (904), described limbers (904) are communicated with the water inlet cavity of watchcases (1) and the inlet opening (401) of impeller box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821401.4U CN203587165U (en) | 2013-12-12 | 2013-12-12 | Dry-type water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821401.4U CN203587165U (en) | 2013-12-12 | 2013-12-12 | Dry-type water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587165U true CN203587165U (en) | 2014-05-07 |
Family
ID=50585070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320821401.4U Expired - Fee Related CN203587165U (en) | 2013-12-12 | 2013-12-12 | Dry-type water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587165U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067047A (en) * | 2015-04-29 | 2015-11-18 | 温岭甬岭水表有限公司 | Multi-flow water meter |
| CN107345827A (en) * | 2017-06-19 | 2017-11-14 | 南京水门电子有限公司 | Suitable for underwater external-compression type mechanical pick-up device formula electronic water meter |
-
2013
- 2013-12-12 CN CN201320821401.4U patent/CN203587165U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067047A (en) * | 2015-04-29 | 2015-11-18 | 温岭甬岭水表有限公司 | Multi-flow water meter |
| CN107345827A (en) * | 2017-06-19 | 2017-11-14 | 南京水门电子有限公司 | Suitable for underwater external-compression type mechanical pick-up device formula electronic water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20211212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |