CN204881735U - Water gauge core - Google Patents
Water gauge core Download PDFInfo
- Publication number
- CN204881735U CN204881735U CN201520275747.8U CN201520275747U CN204881735U CN 204881735 U CN204881735 U CN 204881735U CN 201520275747 U CN201520275747 U CN 201520275747U CN 204881735 U CN204881735 U CN 204881735U
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- CN
- China
- Prior art keywords
- character wheel
- housing
- water meter
- locating slot
- character
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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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Abstract
The utility model provides a water gauge core belongs to wetting system technical field. It is not smooth that it has solved the character wheel operation of current core, and the character wheel shows problem clear inadequately. This water gauge core, water gauge include impeller shell and apron, and the core has linked firmly the character wheel shell including linking firmly the gear hub on the apron in, and there is the character wheel axle location in the character wheel shell, and the epaxial axial of character wheel is connected with a plurality of character wheels, has offered the connecting hole on the lateral wall of character wheel shell, and the connecting hole is stretched out and the gear assembly that stretches out in end and the gear hub of this character wheel axle links to the one end of character wheel axle, is equipped with the sealing member that the inner chamber that can make the character wheel shell keeps encapsulated situation in the connecting hole. This water gauge core can avoid precipitate adhesions such as silt, abrasive dust on the character wheel for the character wheel operation is smooth and easy, and it is clear to show.
Description
Technical field
The utility model belongs to wetting system technical field, relates to a kind of water meter movement.
Background technology
Water meter is comparatively common in life, is a kind of instrument measuring discharge, is that the integrated flow of water is measured mostly, is generally divided into volumetric water meter and velocity type water meter two class, and the former accuracy comparatively the latter be height, but high to water quality requirement.Water meter generally includes impeller housing, impeller and movement, be provided with gear assembly and character wheel in movement, impeller housing have water inlet and water delivering orifice, the current entering impeller housing can impeller rotate, impeller drives character wheel to rotate by the gear assembly in movement, realizes flow counting.
As Chinese utility model patent application (application number: 201020563629.4) disclose a kind of water meter, point four little storehouses in housing, storehouse, upper left is radio-frequency intelligent display storehouse, built-in radio frequency control apparatus, rechargeable battery, LCDs, Non-contact radio-frequency inductor and data processing equipment; Upper right storehouse is character wheel counting storehouse, storehouse, lower-left is the hydraulic turbine and operation valve storehouse, establishes generator, be provided with water proof laminate between the hydraulic turbine and generator in storehouse, upper left near the space of storehouse, the lower-left hydraulic turbine, turbine shaft is connected by magnetic shaft coupling with generator shaft, and storehouse, bottom right is water meter movement storehouse.But the character wheel of this water meter coexists in a upper right storehouse, because the running of gear assembly can produce a large amount of abrasive dusts, dirt, be full of liquid in upper right storehouse, the sediment armies such as the silt in liquid can stick on character wheel simultaneously, cause character wheel to seize up, character wheel display is clear not.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of water meter movement, and this water meter movement can avoid the deposit stuck such as silt, abrasive dust on character wheel, makes character wheel smooth movements, and it is clear to show.
The purpose of this utility model realizes by following technical proposal: a kind of water meter movement, water meter comprises impeller housing and is connected in the cover plate in impeller housing, it is characterized in that, described movement comprises the gear hub be connected on the cover board, character wheel shell is fixed with in described gear hub, print wheel shaft is had in character wheel shell inner position, described print wheel shaft is axially connected with some character wheels, the sidewall of described character wheel shell offers connecting hole, one end of above-mentioned print wheel shaft stretches out connecting hole and gear assembly in the external part of this print wheel shaft and gear hub is connected, the seal that the inner chamber of character wheel shell can be made to keep sealing state is provided with in described connecting hole.
Impeller is provided with in impeller housing, rotated by current impeller, wheel rotation can pass to the gear assembly in gear hub, gear assembly can drive print wheel shaft to rotate by the external part of print wheel shaft, and then realize the rotation of character wheel, because the tie point of character wheel and character wheel and print wheel shaft is all positioned at character wheel shell, and character wheel shell is only offered a connecting hole, and lid connecting hole is sealed by seal, therefore the inner chamber of character wheel shell is sealing state, liquid in gear hub cannot enter in character wheel shell, thus avoid silt, the sediments such as abrasive dust enter character wheel shell, character wheel is made to keep clean, ensure the smooth and easy running of character wheel and clear display.
In above-mentioned water meter movement, described character wheel shell comprises the opening-like housing in lower end and lower cover, described lower cover is connected in the lower end of housing, the upper side of described lower cover has the limit convex edge of annular, on described housing lower surface, circumference has stopper slot, and above-mentioned limit convex is along embedding stopper slot and leaning with stopper slot madial wall.Character wheel shell is by housing and the combined formation of lower cover, and the installation of convenient processing and character wheel, for sealing is connected between certain housing and lower cover, limit convex, along being used for positioning housing, both alignd with making both during lower cover at combined shell, improved crudy.
In above-mentioned water meter movement, described cover plate upper side offers lower locating slot, and above-mentioned lower cover embeds in lower locating slot, described gear hub inner face offers locating slot, the upper end of above-mentioned housing embeds in upper locating slot, and described character wheel shell is pressed between locating slot and lower locating slot.Character wheel shell independently can be processed and be installed in gear hub, and lower locating slot positions lower cover, and upper locating slot positions housing, and whole character wheel shell is pressed between cover plate and gear hub again simultaneously, thus realizes fixing character wheel shell, easy accessibility.
In above-mentioned water meter movement, described upper locating slot bottom surface offers the observation panel of strip, the transparent shape of described housing, and on housing upper surface, there is bar shaped convex edge, the degree direction of described bar shaped convex edge and the axial consistent of print wheel shaft, and the xsect of bar shaped convex edge upper side is curved, described bar shaped convex edge embeds in observation panel, is fixed with annular sealing strip between described bar shaped convex edge and observation panel.Bar shaped convex edge embeds observation panel, ensure that character wheel can align with observation panel, and xsect curved upper side in bar shaped convex edge plays the effect of the numeral of amplifying on character wheel, gear hub bore seal is also equipped with liquid, therefore between bar shaped convex edge and observation panel, sealing strip is set, plays and avoid effect.
In above-mentioned water meter movement, described seal comprises O-ring seal, and the outer end circumference of described connecting hole has annular recessed shoulder, and the external part of described print wheel shaft is fixed with transmission gear, above-mentioned O-ring seal to be set on print wheel shaft and to be positioned at annular recessed shoulder, and above-mentioned transmission gear compresses mutually with O-ring seal.O-ring seal is transmitted gear and is positioned in annular recessed shoulder, sealing function is played to connecting hole, avoid liquid channelling, certain seal also can adopt mechanical seal mode, as the mode of sealing gasket combination seal spring, namely Packing spring one end is pressed on transmission gear, and the other end is pressed on sealing gasket.
In above-mentioned water meter movement, described housing is connected by bonding with between lower cover.Technique is comparatively simple, has good sealing by bonding simultaneously.
Compared with prior art, this water meter movement has the following advantages:
1, because the inner chamber of character wheel shell is sealing state, the liquid in gear hub cannot enter in character wheel shell, thus avoids the sediment such as silt, abrasive dust and enter character wheel shell, makes character wheel keep clean, ensures the smooth and easy running of character wheel and clear display.
2, because lower locating slot positions lower cover, upper locating slot positions housing, and whole character wheel shell is pressed between cover plate and gear hub again simultaneously, thus realizes fixing character wheel shell, easy accessibility.
Accompanying drawing explanation
Fig. 1 is the structure cut-open view of this water meter movement.
Fig. 2 is the perspective view of character wheel shell.
Fig. 3 is the schematic enlarged-scale view at A place in Fig. 1.
Fig. 4 is the schematic enlarged-scale view at B place in Fig. 1.
Fig. 5 is the schematic enlarged-scale view at C place in Fig. 1.
In figure, 1, impeller housing; 2, cover plate; 21, lower locating slot; 3, gear hub; 31, gear assembly; 32, upper locating slot; 33, observation panel; 4, character wheel shell; 41, housing; 411, connecting hole; 412, annular recessed shoulder; 413, bar shaped convex edge; 414, stopper slot; 42, lower cover; 421, limit convex edge; 5, print wheel shaft; 51, character wheel; 52, transmission gear; 6, sealing strip; 7, O-ring seal.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of water meter movement, the cover plate 2 that water meter comprises impeller housing 1 and is connected in impeller housing 1, movement comprises the gear hub 3 be connected on cover plate 2, impeller is provided with in impeller housing 1, rotated by current impeller, wheel rotation can pass to the gear assembly 31 in gear hub 3.Character wheel shell 4 is fixed with in gear hub 3, print wheel shaft 5 is had in character wheel shell 4 inner position, print wheel shaft 5 is axially connected with some character wheels 51, the sidewall of character wheel shell 4 offers connecting hole 411, connecting hole 411 is stretched out in one end of print wheel shaft 5, and the gear assembly 31 in external part and gear hub 3 is connected, and gear assembly 31 can drive print wheel shaft 5 rotate by the external part of print wheel shaft 5, and then realize the rotation of character wheel, be provided with the seal that the inner chamber of character wheel shell 4 can be made to keep sealing state in connecting hole 411.Because character wheel 51 and character wheel 51 are all positioned at character wheel shell 4 with the tie point of print wheel shaft 5, and character wheel shell 4 is only offered a connecting hole 411, and lid connecting hole 411 is sealed by seal, therefore the inner chamber of character wheel shell 4 is sealing state, liquid in gear hub 3 cannot enter in character wheel shell 4, thus avoid the sediment such as silt, abrasive dust and enter character wheel shell 4, make character wheel 51 keep clean, ensure the smooth and easy running of character wheel 51 and clear display.
Specifically, composition graphs 4, shown in Fig. 5, character wheel shell 4 comprises the opening-like housing in lower end 41 and lower cover 42, housing 41 is overall rectangular, the layout of its Structure adaptation character wheel 51, lower cover 42 is connected in the lower end of housing 41, character wheel shell 4 is by housing 41 and the combined formation of lower cover 42, the installation of convenient processing and character wheel 51, for sealing is connected between certain housing 41 and lower cover 42, the upper side of lower cover 42 has the limit convex of annular along 421, on housing lower surface, circumference has stopper slot 414, limit convex embeds stopper slot 414 along 421 and leans with stopper slot 414 madial wall.Limit convex, both alignd with making both during lower cover 42 at combined shell 41 along 421 for positioning housing 41, improved crudy.Be connected by bonding between housing 41 with lower cover 42, technique is comparatively simple, has good sealing by bonding simultaneously.Cover plate 2 upper side offers lower locating slot 21, above-mentioned lower cover 42 embeds in lower locating slot 21, gear hub 3 inner face offers locating slot 32, the upper end of above-mentioned housing 41 embeds in upper locating slot 32, character wheel shell 4 is pressed between locating slot 32 and lower locating slot 21, character wheel shell 4 independently can be processed and be installed in gear hub 3, lower locating slot 21 pairs of lower covers 42 position, upper locating slot 32 pairs of housings 41 position, whole character wheel shell 4 is pressed in again between cover plate 2 and gear hub 3 simultaneously, thus realize fixing character wheel shell 4, easy accessibility.
Upper locating slot 32 bottom surface offers the observation panel 33 of strip, housing 41 adopts transparent plastic to make, and on housing 41 upper surface, there is bar shaped convex edge 413, the degree direction of bar shaped convex edge 413 and the axial consistent of print wheel shaft 5, and the xsect of bar shaped convex edge 413 upper side is curved, bar shaped convex edge 413 embeds in observation panel 33, bar shaped convex edge 413 embeds observation panel 33, ensure that character wheel 51 can align with observation panel 33, and xsect curved upper side in bar shaped convex edge 413 plays the effect of the numeral of amplifying on character wheel 51, gear hub 3 bore seal is also equipped with liquid, therefore be connected between bar shaped convex edge 413 and observation panel 33 sealing strip 6, play and avoid effect.Seal comprises O-ring seal 7, and the outer end circumference of connecting hole 411 has annular recessed shoulder 412, and the external part of print wheel shaft 5 is fixed with transmission gear 52, and O-ring seal 7 to be set on print wheel shaft 5 and to be positioned at annular recessed shoulder 412, and transmission gear 52 compresses mutually with O-ring seal 7.O-ring seal 7 is transmitted gear 52 and is positioned in annular recessed shoulder 412, sealing function is played to connecting hole 411, avoid liquid channelling, certain seal also can adopt mechanical seal mode, as the mode of sealing gasket combination seal spring, namely Packing spring one end is pressed on transmission gear 52, and the other end is pressed on sealing gasket.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as impeller housing 1, upper locating slot 32, observation panel 33 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. a water meter movement, water meter comprises impeller housing (1) and is connected in the cover plate (2) in impeller housing (1), it is characterized in that, described movement comprises the gear hub (3) be connected on cover plate (2), character wheel shell (4) is fixed with in described gear hub (3), print wheel shaft (5) is had in character wheel shell (4) inner position, described print wheel shaft (5) is upper is axially connected with some character wheels (51), the sidewall of described character wheel shell (4) offers connecting hole (411), one end of above-mentioned print wheel shaft (5) stretches out connecting hole (411) and gear assembly (31) in the external part of this print wheel shaft (5) and gear hub (3) is connected, the seal that the inner chamber of character wheel shell (4) can be made to keep sealing state is provided with in described connecting hole (411).
2. water meter movement according to claim 1, it is characterized in that, described character wheel shell (4) comprises the opening-like housing in lower end (41) and lower cover (42), described lower cover (42) is connected in the lower end of housing (41), the upper side of described lower cover (42) has the limit convex of annular along (421), on described housing lower surface, circumference has stopper slot (414), and above-mentioned limit convex embeds stopper slot (414) along (421) and leans with stopper slot (414) madial wall.
3. water meter movement according to claim 2, it is characterized in that, described cover plate (2) upper side offers lower locating slot (21), above-mentioned lower cover (42) embeds in lower locating slot (21), described gear hub (3) inner face offers locating slot (32), the upper end of above-mentioned housing (41) embeds in upper locating slot (32), and described character wheel shell (4) is pressed between locating slot (32) and lower locating slot (21).
4. water meter movement according to claim 3, it is characterized in that, described upper locating slot (32) bottom surface offers the observation panel (33) of strip, described housing (41) transparent shape, and on housing (41) upper surface, there is bar shaped convex edge (413), the degree direction of described bar shaped convex edge (413) and the axial consistent of print wheel shaft (5), and the xsect of bar shaped convex edge (413) upper side is curved, described bar shaped convex edge (413) embeds in observation panel (33), annular sealing strip (6) is fixed with between described bar shaped convex edge (413) and observation panel (33).
5. the water meter movement according to Claims 2 or 3 or 4, it is characterized in that, described seal comprises O-ring seal (7), the outer end circumference of described connecting hole (411) has annular recessed shoulder (412), the external part of described print wheel shaft (5) is fixed with transmission gear (52), above-mentioned O-ring seal (7) is set in print wheel shaft (5) and goes up and be positioned at annular recessed shoulder (412), and above-mentioned transmission gear (52) compresses mutually with O-ring seal (7).
6. the water meter movement according to Claims 2 or 3 or 4, is characterized in that, is connected between described housing (41) with lower cover (42) by bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275747.8U CN204881735U (en) | 2015-04-29 | 2015-04-29 | Water gauge core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275747.8U CN204881735U (en) | 2015-04-29 | 2015-04-29 | Water gauge core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204881735U true CN204881735U (en) | 2015-12-16 |
Family
ID=54826097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520275747.8U Expired - Fee Related CN204881735U (en) | 2015-04-29 | 2015-04-29 | Water gauge core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204881735U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500778A (en) * | 2016-10-13 | 2017-03-15 | 青岛海威茨仪表有限公司 | A kind of vane type non-magnetic flowmeter |
| CN109184337A (en) * | 2018-10-11 | 2019-01-11 | 厦门美科安防科技有限公司 | A kind of automatic messy code character wheel coded lock |
-
2015
- 2015-04-29 CN CN201520275747.8U patent/CN204881735U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500778A (en) * | 2016-10-13 | 2017-03-15 | 青岛海威茨仪表有限公司 | A kind of vane type non-magnetic flowmeter |
| WO2018068763A1 (en) * | 2016-10-13 | 2018-04-19 | 李新兴 | Impeller non-magnetic flowmeter |
| CN109184337A (en) * | 2018-10-11 | 2019-01-11 | 厦门美科安防科技有限公司 | A kind of automatic messy code character wheel coded lock |
| CN109184337B (en) * | 2018-10-11 | 2023-09-05 | 厦门美科安防科技股份有限公司 | Automatic messy code character wheel coded lock |
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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: 20151216 Termination date: 20190429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |