CN208953057U - A kind of water meter - Google Patents
A kind of water meter Download PDFInfo
- Publication number
- CN208953057U CN208953057U CN201821663776.1U CN201821663776U CN208953057U CN 208953057 U CN208953057 U CN 208953057U CN 201821663776 U CN201821663776 U CN 201821663776U CN 208953057 U CN208953057 U CN 208953057U
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- Prior art keywords
- shell
- impeller box
- filter plate
- water
- water meter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000002955 isolation Methods 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 14
- 239000011324 bead Substances 0.000 claims description 17
- 230000014759 maintenance of location Effects 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003116 impacting effect Effects 0.000 abstract 1
- 239000011257 shell material Substances 0.000 description 52
- 238000009434 installation Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a kind of water meters, including shell and metrological service, the metrological service includes impeller and impeller box, inlet opening, apopore and the isolation cover outside apopore are provided on the impeller box, water storage cavity is formed between the isolation cover and impeller box wall equipped with apopore, the exhalant canal that discharge outlet and shell are provided on the water storage cavity is tightly connected.Using the above structure, the structure on shell is simplified, the materials'use amount for reducing shell thereby reduces the manufacturing cost of entire water meter, and reaches light weight effect；It is also provided with deflector in metrological service simultaneously, avoids water flow from directly impacting metrological service and reaches unhurried current effect, guarantee the performance of water meter operation.
Description
Technical field
The utility model relates to a kind of water flow test instrumentation, in particular to a kind of water meter.
Background technique
Water meter is the instrument for measuring water flow, is the integrated flow measurement of water mostly.Water meter is generally divided into volumetric water meter
With two class of velocity type water meter.
Chinese patent as publication No. is 106643956 A of CN, the applying date is on January 17th, 2017 discloses one kind
Anti-freeze water meter comprising have shell, metrological service and cover.Its principle are as follows: after metrological service is mounted in shell, metering
The shell of mechanism can cooperate with raised annulus in inner walls, form the chambers of two separations, water inlet on shell and go out
The mouth of a river is connected to two chambers respectively, after water flow enters a chamber by water inlet on this basis, due to metrological service
Separate, water flow can only be flowed out by being passed into another chamber in metrological service, then from water outlet.Pass through meter in water flow
During measuring mechanism, the wheel rotation in metrological service will drive, to realize the flow measurement function of water meter.
The specific structure of metrological service in above-mentioned patent, which may refer to Authorization Notice No., to be 206756249 U of CN, applies
Day is a kind of water meter structure disclosed in the Chinese patent on May 5th, 2017.
Structure in above-mentioned patent, due to the separation structure between the structure and shell and metrological service of metrological service
Setting, so that material needed for shell produces is more, and since material of the external some areas for watermeter shell has certain want
It asks, for example the U.S. needs the material using the high cost such as no Allen's metal, this makes the manufacturing cost of watermeter shell higher.
Utility model content
The purpose of the utility model is to provide a kind of water meter, has and reduce case material usage amount, reduce cost input
Effect.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of water meter, including shell and metrological service, the metrological service include impeller and impeller box, on the impeller box
It is provided with inlet opening, apopore and the isolation cover outside apopore, the isolation cover and the impeller box wall for being equipped with apopore
Between form water storage cavity, the exhalant canal that discharge outlet and shell are provided on the water storage cavity is tightly connected.
So set, forming water storage cavity on the outside of apopore by the setting of isolation cover, and it is logical with water storage that discharge outlet is arranged
Road is tightly connected, and is formed the structure of water inlet on the outside of isolation cover, inside water outlet, is completed the separation of Inlet and outlet water, and since the structure is set
Setting is completed by cooperating with shell, it is therefore not necessary to which upper on the inner wall of the housing be arranged raised annulus, so that the original of shell
Materials'use amount is reduced.
Further preferably are as follows: the water inlet of the shell is provided with deflector, and the deflector is set on impeller box simultaneously
It is arranged between impeller box side wall in spacing.
So set, water flow punching is by intake tunnel, when water inlet enters the intracorporal chamber of shell, in the resistance of deflector
Under gear guiding, it can be flowed to two sides and top, keep water flow more uniform and enter in impeller box from each inlet opening, keep away
Exempt from water flow all impact on impeller box towards unhurried current on the inlet opening of inlet opening, is played the role of, guarantee the performance that water meter is run.
Further preferably are as follows: the deflector is in be arranged with the concentric arc-shaped bending of impeller box.
So set, diversion effect is more excellent.
Further preferably are as follows: along the deflector in direction raised on impeller box, the top place face of the deflector
Not less than face height where the highest point of the water inlet of shell.
So set, avoiding water flow directly to the impact of impeller box completely, and keep the water inlet of each inlet opening more uniform.
Further preferably are as follows: the water inlet of the shell is provided with filter plate, and the filter plate is installed on impeller box and shell
Between.
So set, the water water inlet filtering by filter plate setting to being sent into from water inlet, with original structure first than by mistake
Filter bowl has been simplified to filter plate, makes the integral thickness of shell that can also be able to become smaller, further decreases materials'use amount.
Further preferably are as follows: the filter plate is arc-shaped bending setting, and two are provided on the impeller box for circumferential
The retention bead of filter plate is limited, is provided on the inside of the filter plate to the step being located on isolation cover.
So set, make after cap is installed on shell, by cap and isolation cover by the axial restraint of filter plate,
Again by two retention beads by the circumferentially fixed of filter plate, and since filter plate is located between impeller box and inner walls, filter
Plate can be completely fixed in water inlet position completely.
Further preferably are as follows: bearing surface between the isolation cover and filter plate is inclined-plane, and the filter plate and two sides limit convex
It is interference fitted between rising.
So set, passing through the setting on inclined-plane and interference fit, so that impeller box is in shell after installing filter plate
Interior stability also can be higher, while supporting between discharge outlet and the water outlet peripheral inner wall of shell can be made to set even closer, tool
There is more excellent leakproofness.
Further preferably are as follows: the top of two retention beads and discharge outlet, which is located at, to be same as in plane；
The shell far from the inner wall of box cover at least provided with three it is smooth, for keeping impeller box smoothly to support
Protrusion, three support protrusions are arranged in a one-to-one correspondence with two retention beads and discharge outlet；
The filter plate both ends are supported and are located in two support protrusions.
So set, further increasing installation accuracy using support protrusion, the mounting stability of impeller box is improved, is guaranteed
Leakproofness between discharge outlet and exhalant canal.
Further preferably are as follows: be provided with limit salient point on the filter plate, be provided on the shell and limit salient point cooperation
Limiting slot.
So set, to relatively rotate between impeller box and shell, it is ensured that discharge outlet and water storage channel are kept
Connection.
Further preferably are as follows: the concentric setting of intake tunnel and exhalant canal on the shell.
So set, keeping the intake tunnel of shell and exhalant canal concentric on the basis of unique impeller box
Setting, without using upper and lower staggered structure, upper more laborsaving in production and processing, cost is lower.
In conclusion the utility model has the following beneficial effects:
1, on impeller box be arranged isolation cover form individual water storage cavity so that impeller box no longer need with shell cooperate every
Exhausted intake tunnel and exhalant canal, and then simplify the structure on shell, reduce shell materials'use amount thereby reduce it is whole
The manufacturing cost of a water meter；
2, filter structure is improved, reduces the height of shell, is further reduced materials'use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the fractionation structural representation of metrological service in the present embodiment；
Fig. 3 is the partial sectional view of metrological service in the present embodiment；
Fig. 4 is the cross-sectional view of metrological service in the present embodiment；
Fig. 5 is the portion the A enlarged drawing of Fig. 4；
Fig. 6 is the structural schematic diagram of shell in the present embodiment.
In figure, 1, shell；11, chamber；12, intake tunnel；13, exhalant canal；14, limiting slot；15, support protrusion；2,
Cap；3, metrological service；31, impeller box；311, installation cavity；312, inlet opening；313, apopore；314, stripper loop；32, leaf
Wheel；33, impeller cover；4, isolation cover；41, water storage cavity；42, discharge outlet；5, sealing ring；6, deflector；7, filter plate；71, plug division；
72, step；73, salient point is limited；8, retention bead.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of water meter is provided with as shown in Figure 1, including shell 1, cap 2 and metrological service 3 in shell 1 for dosing machine
The intake tunnel 12 and exhalant canal 13 of chamber 11 and conducting chamber 11 and the external world that structure 3 is installed, chamber 11 is on shell 1
It is formed with installing port, cap 2 is mounted at installing port by bolt, in use, water flow passes into metering from intake tunnel 12
It is flowed out after mechanism 3 from exhalant canal 13.
Referring to Fig. 2, metrological service 3 includes impeller 32, impeller box 31 and impeller cover 33, is provided with installation cavity in impeller box 31
311, impeller 32 is installed in installation cavity 311.Installation cavity 311 is formed with an opening in one end of impeller box 31, and impeller cover 33 is logical
It crosses snap and is installed on opening.
In conjunction with shown in attached drawing 3, multiple apopores 313 and multiple inlet openings 312 are provided on the side wall of impeller box 31, out
Water hole 313 is an oblique slot, its side that opening is equipped with set on impeller box 31, and inlet opening 312 is an oblique rectangular channel, it is set to far
Leave the side of mouth, wherein inlet opening 312 is opposite with the inclined direction of apopore 313.And apopore 313 and inlet opening 312
Axial line around impeller box 31 is evenly distributed on the side wall of impeller box 31.
Wherein, the stripper loop 314 of outwardly convex is provided on the lateral wall of impeller box 31, stripper loop 314 is located at water inlet
Between hole 312 and apopore 313.And the end of stripper loop 314 extends to form isolation cover 4 towards open end, impeller cover 33 clamps
Isolation cover 4 is closed while to opening, is arranged between isolation cover 4 and impeller box 31 are equipped with the side wall of apopore 313 in spacing,
Water storage cavity 41 is formed between isolation cover 4,31 side wall of impeller box and impeller cover 33.
As shown in Figure 3 and Figure 4, the discharge outlet 42 being connected to water storage cavity 41 is provided on isolation cover 4, at discharge outlet 42
It is provided with sealing ring 5(concrete shape referring to fig. 2).When metrological service 3 is installed to the chamber 11 of shell 1, discharge outlet 42 is abutted
It is connected on the water outlet of shell 1 with exhalant canal 13, wherein the inner sidewall on the water outlet periphery of shell 1 is shiny surface, sealing
Circle 5 with shiny surface support set after can play excellent sealing effect.
As shown in figure 3, being provided with deflector 6 on stripper loop 314, deflector 6 is arc-shaped and the axis with impeller box 31
The coaxial arrangement of heart line, and be arranged between deflector 6 and the side wall of impeller box 31 in spacing.
Deflector 6 is arranged in slot on stripper loop 314 to the side protrusion far from isolation cover 4, and deflector 6 is located at discharge outlet 42
The symmetrical position in the center of circle about impeller box 31, when metrological service 3 is mounted in the chamber 11 of shell 1, deflector 6 is right against shell
The water inlet of the intake tunnel 12 of body 1, for being oriented to the water flow entered from intake tunnel 12, enable water to dispersion from
Enter in impeller box 31 in each inlet opening 312.
Wherein, along deflector 6, the face where direction raised on impeller box 31, the top of deflector 6 is not less than shell 1
Face height where the highest point of water inlet, in the present embodiment, face where the top of deflector 6 are not slightly above the water inlet of shell 1
Face height where the highest point of mouth, so that water flow all impacts on deflector 6.
Referring to Fig. 2 and 3, the water inlet of shell 1 is provided with filter plate 7, and filter plate 7 is installed between impeller box 31 and shell 1.
Filter plate 7 is arc-shaped bending setting, and the axial line of its axial line and impeller box 31 is coaxially disposed.In impeller box 31
Stripper loop 314 on protrusion be provided with two retention beads 8, the protrusion direction of retention bead 8 is identical as deflector 6, the two of filter plate 7
Side is contradicted with two retention beads 8 respectively.
As shown in Figure 4 and Figure 5, it is provided with plug division 71 on strainer, plug division 71 is in being formed with step 72, grafting on strainer
Portion 71 is inserted between 1 inner wall of outer wall and shell of isolation cover 4, and step 72 is supported and is located on stripper loop 314.
Strainer is positioned by two retention beads 8,1 inner wall of shell, 4 outer wall of isolation cover and 2 inner wall of cap.
Wherein, the bearing surface between isolation cover 4 and filter plate 7 is inclined-plane, and corresponding face is also inclined-plane on strainer, and filter plate
It is interference fitted between 7 and two sides retention bead 8, meeting when being inserted into strainer between recessed shell 1 and impeller box 31 by inclined-plane setting
Apply the power towards 42 direction of discharge outlet to impeller box 31, keeps being located at water outlet periphery on discharge outlet 42 and shell 1 with this
Inner wall is in impaction state, keeps the sealed connection between discharge outlet 42 and water outlet.
Referring to Fig. 2 and 3, it is provided with limit salient point 73 on the outside side wall of strainer, is arranged on the inner wall of 1 opening of shell
Have the limiting slot 14(cooperated with limit salient point 73 referring to attached drawing 6), by limiting the cooperation of salient point 73 and limiting slot 14, realize meter
Measuring mechanism 3 it is circumferentially positioned.
It is same as in plane as shown in figure 4, the top of two retention beads 8 and discharge outlet 42 is located at.
Referring to attached drawing 6, the smooth support protrusion 15 there are three settings in bottom interior wall of the shell 1 far from box cover, three
Support protrusion 15 is arranged in a one-to-one correspondence with two retention beads 8 and discharge outlet 42 respectively, and 7 both ends of filter plate are convex to two supports are located at
It rises on 15.
Mounting means: by opening, impeller 32 is installed in the installation cavity 311 of impeller box 31, then by impeller cover 33
It is installed to opening；Sealing ring 5 is installed to again on the opening sidewalls of discharge outlet 42, impeller box 31 is then encased in shell 1
Chamber 11 in, discharge outlet 42 and water outlet are aligned when installation, sealing ring 5 are made to support the hydraulically smooth surface for being located at water outlet periphery
On.After completing above-mentioned installation, filter plate 7 is inserted between two retention beads 8, and limit salient point 73 is caught in limiting slot 14,
Finally cap 2 is installed by bolt after the opening of shell 1 installs sealing ring.
Working principle: water flow enters from intake tunnel 12, first passes through filter plate 7 in water inlet and filters, then passes through water conservancy diversion
6 water conservancy diversion of plate, water flow enter impeller 32 in impeller box 31 from inlet opening 312 again and rotate, enter again from apopore 313 later
Into water storage cavity 41, by discharge outlet 42 from apopore 313 enter exhalant canal 13 in be discharged.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as within the protection scope of the present utility model all by the protection of Patent Law.
Claims (10)
1. a kind of water meter, including shell (1) and metrological service (3), the metrological service (3) include impeller (32) and impeller box
(31), it is characterized in that: being provided with inlet opening (312), apopore (313) on the impeller box (31) and being set to apopore
(313) outside isolation cover (4) forms water storage cavity between the isolation cover (4) and impeller box (31) wall for being equipped with apopore (313)
(41), the exhalant canal (13) that discharge outlet (42) and shell (1) are provided on the water storage cavity (41) is tightly connected.
2. a kind of water meter according to claim 1, it is characterized in that: the water inlet of the shell (1) is provided with deflector
(6), the deflector (6) is set on impeller box (31) and is arranged in spacing between impeller box (31) side wall.
3. a kind of water meter according to claim 2, it is characterized in that: the deflector (6) is in concentric with impeller box (31)
Arc-shaped bending setting.
4. a kind of water meter according to claim 2 or 3, it is characterized in that: convex in impeller box (31) along the deflector (6)
The direction risen, face where the top of the deflector (6) is not less than face height where the highest point of the water inlet of shell (1).
5. a kind of water meter according to claim 1, it is characterized in that: the water inlet of the shell (1) is provided with filter plate
(7), the filter plate (7) is installed between impeller box (31) and shell (1).
6. a kind of water meter according to claim 5, it is characterized in that: the filter plate (7) is arc-shaped bending setting, described
It is provided with two retention beads (8) for circumferential restriction filter plate (7) on impeller box (31), is provided on the inside of the filter plate (7)
To the step (72) being located on isolation cover (4).
7. a kind of water meter according to claim 6, it is characterized in that: the bearing surface between the isolation cover (4) and filter plate (7) is
Inclined-plane, and be interference fitted between the filter plate (7) and two sides retention bead (8).
8. a kind of water meter according to claim 6, it is characterized in that: the top of two retention beads (8) and discharge outlet (42)
Portion, which is located at, to be same as in plane；
The shell (1) far from the inner wall of box cover at least provided with three it is smooth, for keeping impeller box (31) stable
Support protrusion (15), three support protrusions (15) are arranged in a one-to-one correspondence with two retention beads (8) and discharge outlet (42)；
Filter plate (7) both ends are supported and are located on two support protrusions (15).
9. a kind of water meter according to claim 6, it is characterized in that: being provided with limit salient point (73), institute on the filter plate (7)
State the limiting slot (14) being provided on shell (1) with limit salient point (73) cooperation.
10. according to claim 1, a kind of water meter described in any one of 2,3,5,6,7,8 and 9, it is characterized in that: the shell
(1) intake tunnel (12) and exhalant canal (13) concentric setting on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663776.1U CN208953057U (en) | 2018-10-12 | 2018-10-12 | A kind of water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663776.1U CN208953057U (en) | 2018-10-12 | 2018-10-12 | A kind of water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208953057U true CN208953057U (en) | 2019-06-07 |
Family
ID=66741364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821663776.1U Active CN208953057U (en) | 2018-10-12 | 2018-10-12 | A kind of water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208953057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099981A (en) * | 2018-10-12 | 2018-12-28 | 袁意 | A kind of water meter |
-
2018
- 2018-10-12 CN CN201821663776.1U patent/CN208953057U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099981A (en) * | 2018-10-12 | 2018-12-28 | 袁意 | A kind of water meter |
| CN109099981B (en) * | 2018-10-12 | 2024-07-02 | 袁意 | Water meter |
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