CN207622818U - A kind of water meter - Google Patents
A kind of water meter Download PDFInfo
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- CN207622818U CN207622818U CN201721925415.5U CN201721925415U CN207622818U CN 207622818 U CN207622818 U CN 207622818U CN 201721925415 U CN201721925415 U CN 201721925415U CN 207622818 U CN207622818 U CN 207622818U
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- water meter
- water
- transition runner
- chamber
- table chamber
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Abstract
The utility model discloses a kind of water meter, including table body, and there is the table body table chamber, the table body to be additionally provided with outlet pipe, outlet passage is formed in the outlet pipe；Transition runner is additionally provided in the table body, the inner wall of the transition runner is streamlined, and both ends are connected with the table chamber, the outlet passage respectively, and the junction of the transition runner and the table chamber, the outlet passage seamlessly transits.The there is provided water meter of the utility model, its table body is internally provided with the transition runner of connection table chamber and outlet passage, the inner wall of the transition runner is integrally streamlined, the junction of itself and table chamber, outlet passage seamlessly transits, crushing of the tap water by water meter can be greatly reduced, and then meet the crushing requirement of Δ p63 in type approval test.
Description
Technical field
The utility model is related to water meter technical field more particularly to a kind of water meters reducing crushing.
Background technology
Water meter is a kind of measurement utensil how much being monitored with water to user, and current commercial family is mainly multithread with water meter
Beam rotor formula water meter, crushing are that one of type approval test examines by force index, are provided according in GB/T778.1-2007, family is used
The crushing grade of water meter should meet Δ p63 requirements, i.e., the pressure loss of family water meter should be less than or equal to 63kPa.
Existing family water meter includes table body, has table chamber inside table body, is used for installing machine core, connection is additionally provided on table body
The water inlet pipe and outlet pipe of the table chamber, in addition, for water supply company to press for payment of water rate needs or user to water management
It needs, it usually will also be to the valves control components such as ball valve be added on the water meter of family, to control the break-make of tap water.The valve control component is logical
It is often installed in outlet pipe, this may result in outlet passage and shortens, and crushing increases so that water meter is difficult to pass through type approval test.
Therefore, how a kind of novel water meter is provided, is still ability to meet the crushing requirement of Δ p63 in type approval test
Field technique personnel technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of water meter, and the crushing of the water meter can be greatly reduced, and disclosure satisfy that pattern is tried
Test the crushing requirement of middle Δ p63.
In order to solve the above technical problems, the utility model provides a kind of water meter, including table body, the table body has table chamber,
The table body is additionally provided with outlet pipe, and outlet passage is formed in the outlet pipe；Transition runner, the mistake are additionally provided in the table body
The inner wall for crossing runner is streamlined, and both ends are connected with the table chamber, the outlet passage respectively, and the transition runner and institute
State table chamber, the junction of the outlet passage seamlessly transits.
The there is provided water meter of the utility model, table body are internally provided with the transition runner of connection table chamber and outlet passage, the mistake
The inner wall for crossing runner is integrally streamlined, is seamlessly transitted with the junction of table chamber, outlet passage, tap water can be greatly reduced
By the crushing of water meter, and then meet the crushing requirement of Δ p63 in type approval test.
Optionally, the inner wall of the transition runner intersects each point of obtained first level transversal with horizontal plane and is satisfied by
Derivative is continuous；Alternatively, the first level transversal includes several first separated time sections, the of the adjacent two first separated time Duan Suocheng
One angle is greater than or equal to 150 degree.
Optionally, the logarithm of the adjacent two first separated time section of first angle less than or equal to 160 degree is no more than 3
It is right.
Optionally, in the joining section of the transition runner and the outlet passage, horizontal plane is interior with the outlet passage
Wall intersects the obtained second horizontal transversal and the horizontal plane and intersects obtained described first with the inner wall of the transition runner
The second angle that horizontal transversal is in is more than 90 degree.
Optionally, the joining section is H in the height of vertical directionct, institute of second angle less than or equal to 100 degree
It is H that joining section, which is stated, in the height of vertical directionc, Hc/Hct≤0.1。
Optionally, the table chamber includes upper table chamber and following table chamber, and one end of the transition runner is connected with the upper table chamber,
The other end is connected with the outlet passage；The lower wall surface of the transition runner and the angle of horizontal plane are more than 25 degree.
Optionally, the connecting pin of the transition runner and the table chamber is H, the transition runner in the height of vertical direction
Length be L, the water-outlet area which is enclosed on the column wall surface of the upper table chamber be S；For nominal diameter
For the water meter of 15mm or 20mm, the H >=20mm, the L >=40mm, the S >=750mm2；It is for nominal diameter
The water meter of 25mm, the H >=25mm, the L >=49mm, the S >=1200mm2。
Optionally, the table chamber is internally provided with supporting table in a ring, and the upper surface of the supporting table is equipped with annular brace
Face is used to support the top of the movement of the water meter；Compared with the water meter that nominal diameter is 15mm or 20mm, nominal diameter
Increase 0.2-1mm for the annular support surface of the water meter of 25mm and the distance between the bottom surface of the table body.
Optionally, the table body is additionally provided with water inlet pipe, and the water inlet being connected with the following table chamber is formed in the water inlet pipe
Mounting blocks are not arranged close to the end of the following table chamber for runner, the water inlet flow channel；Alternatively, the water inlet flow channel is under described
The end of table chamber is equipped with mounting blocks, and fairshaped gentle slope section is additionally provided in the water inlet flow channel, and the gentle slope section can cover institute
State mounting blocks.
Optionally, it includes several second separated time sections that the gentle slope section, which intersects the vertical transversal obtained with vertical plane, adjacent
The third angle of the two second separated time Duan Suocheng is greater than or equal to 120 degree, and adjacent two of the third angle less than 150 degree
The logarithm of the second separated time section is no more than 3 pairs.
Description of the drawings
Fig. 1 is provided a kind of structural schematic diagram of specific implementation mode of water meter by the utility model；
Fig. 2 is a cross section views of the Fig. 1 in vertical direction；
Fig. 3 is Fig. 1 first cross section view in the horizontal direction；
Fig. 4 is Fig. 1 second cross section view in the horizontal direction；
Fig. 5 is Fig. 1 third cross section views in the horizontal direction；
Fig. 6 is Fig. 1 the 4th cross section view in the horizontal direction；
Fig. 7 is another cross section view of Fig. 1 in vertical direction；
Fig. 8 is the beveling view of Fig. 1；
A kind of structure chart of connection types of the Fig. 9 between inlet tube and table body；
The structure chart of another connection types of the Figure 10 between inlet tube and table body.
The reference numerals are as follows in Fig. 1-10：
1 table body, 11 table chambers, 111 upper table chambers, 112 following table chambers, 12 transition runners, 121 first level transversals, 122 linkings
Section, 123 lower wall surfaces, 13 supporting tables, 131 supporting surfaces；
2 outlet pipes, 21 outlet passages, 211 second horizontal transversals；
3 water inlet pipes, 31 water inlet flow channels, 311 mounting blocks, 312 gentle slopes section, the vertical transversals of 312a；
4 valve control components.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and have
The utility model is described in further detail for body embodiment.
It is described herein it is " several " be that exponential quantity is uncertain multiple, it is usually more than two；And when using " several " table
When showing the quantity of certain several component, the quantity for being not offered as these components is identical.
The words such as " first " described herein, " second ", " third ", it is same or like to be merely for convenience of description scheme
More than two structures or component are not offered as certain particular determination to sequence.
The structural schematic diagram that -6, Fig. 1 is provided a kind of specific implementation mode of water meter by the utility model is please referred to Fig.1,
Fig. 2 is a cross section views of the Fig. 1 in vertical direction, and Fig. 3 is Fig. 1 first cross section view in the horizontal direction, Fig. 4 Fig. 1
Second cross section view in the horizontal direction, Fig. 5 are Fig. 1 third cross section views in the horizontal direction, and Fig. 6 is Fig. 1 in level
4th cross section view in direction, Fig. 7 are another cross section view of Fig. 1 in vertical direction, and Fig. 8 is the beveling view of Fig. 1；Figure
A kind of 9 connection structure diagram between inlet tube and table body, another connection structure diagrams of the Figure 10 between inlet tube and table body.
As shown in Figure 1 and Figure 2, the utility model provides a kind of water meter, including table body 1, and 1 inside of table body has table chamber 11,
Table chamber 11 is divided into as upper table chamber 111 and following table chamber 112, the movement (not shown) of water meter be mountable to the upper table chamber 111, under
In table chamber 112.Table body 1 is additionally provided with outlet pipe 2 and water inlet pipe 3, outlet passage 21 is formed in outlet pipe 2, to be connected to upper table chamber
111, water inlet pipe 3 is interior to form water inlet flow channel 31, to be connected to following table chamber 112.
When in use, tap water can be entered by water inlet flow channel 31 in following table chamber 112, then enter upper table chamber via movement
111, and be discharged eventually by outlet passage 21, during this, movement can monitor the water consumption of user.For water supply company pair
Water rate or user itself are pressed for payment of to the needs with water management, valve control component 4 is usually additionally provided in the outlet pipe 2 of existing water meter,
Such as ball valve, to control the break-make of tap water, but caused by being arranged such the result is that outlet passage 21 shortens, in existing table
Under the design condition of body 1, the crushing of water meter can be significantly increased so that the water meter of production is difficult to pass through type approval test.
For this purpose, in the utility model embodiment, it is also provided with transition runner 12 in above-mentioned table body 1, the transition runner
12 inner wall is streamlined, and both ends are connected with upper table chamber 111, outlet passage 21 respectively, and transition runner 12 and upper table chamber
111, the junction of outlet passage 21 can seamlessly transit.
There are the runner design of multiple anxious bendings, this realities with 21 junction of outlet passage for middle table chamber 11 compared with the prior art
With novel provided water meter, tap water can be greatly reduced by crushing, and especially nominal diameter is the water meter of 25mm, compared with
The drop-out value of same type water meter in the prior art, crushing can reach 20-70kPa, be fully able to meet Δ p63 in type approval test
Crushing requirement.
As previously mentioned, the both ends of transition runner 12 are connected to upper table chamber 111 and outlet passage 21, and in order to ensure to have
There are enough whereabouts potential energy, the height of outlet passage 21 relatively low, it will usually substantially concordant with water inlet flow channel 31, that is to say, that mistake
Runner 12 is crossed integral inclined to be arranged.
Under such design condition, if carrying out section, the inner wall and horizontal plane of transition runner 12 to table body 1 in the horizontal direction
There will be two kinds of situations for the first level transversal 121 of intersection：First, first level transversal 121 is in the side towards outlet passage 21
To closed end, such as embodiment in Fig. 3, Fig. 4, i.e. the right part of first level transversal 121 is closed；Second, first level transversal
121 and outlet passage 21 inner wall intersect with horizontal plane the horizontal transversal 211 of obtained second be connected, as implemented in Fig. 5, Fig. 6
Example.
For above two situation, the utility model embodiment is to the streamlined requirement of 12 inner wall of transition runner：Except with
Outside the tie point of first level transversal 121 and the second horizontal transversal 211, each point can meet and lead on first level transversal 121
Number is continuous, farthest to reduce resistance of the tap water by transition runner 12, and then reduces crushing.
Alternatively, in actual design, production, for ease of operation, which can be by several first separated times
Duan Zucheng, the first angle for being between two first adjacent separated time sections can be greater than or equal to 150 degree, so that first level
Transversal 121 is whole to meet fairshaped design requirement as much as possible.
Further, the logarithm of adjacent two first separated time sections of the first above-mentioned angle less than or equal to 160 degree can not
More than 3 pairs, that is to say, that the first angle of most of adjacent two first separated time Duan Suocheng should be more than 160 degree, may make
First level transversal 121 more close to straight line, with reduce to a greater degree tap water by resistance, it is also possible to reduce
Tap water caused by 12 inner wall of transition runner to wearing.
It is to be appreciated that the restriction of the above-mentioned first angle value intersegmental about adjacent two first separated times, is only the utility model
A kind of exemplary description of embodiment, can not be as the restriction of the practical range to the provided water meter of the utility model, in reality
In the application of border, those skilled in the art can as needed reset the specific range of above-mentioned first angle value, only
It disclosure satisfy that fairshaped design requirement.
As previously mentioned, transition runner 12 is to be obliquely installed, to ensure that tap water can smoothly be flowed from upper table chamber 111
Enter in exhalant canal 21, the lower wall surface 123 of the transition runner 12 can be more than 25 degree with the angle of horizontal plane.
The line style for being primarily directed to 12 inner wall of transition runner above is described, and following the utility model embodiment will also
To the both ends of transition runner 12, the i.e. structure and shape of transition runner 12 and the transition junction of table chamber 11, outlet passage 21
It is described.
Specifically, above-mentioned transition runner 12 can be tapered, and bigger diameter end can be connected with upper table chamber 111, to obtain
The water-outlet area of bigger, so as to reduce water discharge speed, with further reduce tap water by resistance, crushing.
As shown in fig. 7, the bigger diameter end can be denoted as H, the interconnecting piece of bigger diameter end and upper table chamber 111 in the height of vertical direction
The length for dividing the maximum distance for intersecting obtained point-to-point transmission with horizontal plane that can be defined as the bigger diameter end, is denoted as L, bigger diameter end is upper
The water-outlet area being enclosed on the column wall surface of table chamber 111 can be denoted as S.
In order to expand water-outlet area S to a greater degree, the utility model embodiment can also provide straight for different nominals
The reference value of above-mentioned H, L and S of diameter water meter, for details, reference can be made to the following table 1.It is appreciated that the data in table 1 are only that this practicality is new
The illustrative data that type embodiment is conceived according to utility model above-mentioned and provided in conjunction with practical experience, model etc., not
Restriction of the energy as the practical range to the provided water meter of the utility model, under the premise of meeting using function and effect, this
Field technology personnel can also re-start setting to the value of above-mentioned H, L and S in practical applications.
Table 1
| Nominal diameter (mm) | 15 | 20 | 25 |
| H(mm) | ≥20 | ≥20 | ≥25 |
| L(mm) | ≥40 | ≥40 | ≥49 |
| Area S (mm2) | ≥750 | ≥750 | ≥1200 |
With continued reference to FIG. 2, and combine Fig. 5, Fig. 6, it is same in the joining section 122 of transition runner 12 and outlet passage 21
Horizontal plane intersects the second angle that 121 and second horizontal transversal 211 of obtained first level transversal is in the joining section 122
90 degree can be more than, to ensure seamlessly transitting between transition runner 12 and outlet passage 21.
Further, in conjunction with Fig. 8, the shrinking percentage of transition runner 12 can also be limited, is reference with joining section 122, is connected
The highs and lows of section 122 are in the height that the distance between projection of vertical direction (movement axis direction) is joining section 122
Degree, can be denoted as Hct, the second angle can be denoted as H less than or equal to 100 degree of joining section 122 in the height of vertical directionc,
In, Hc/Hct0.1 can be less than, so that transition runner 12 can keep smaller shrinking percentage, the i.e. exit face of transition runner 12
Product can be larger, passes through resistance with more effectively reduce tap water.It is appreciated that in the specific implementation, art technology
Personnel can also be as needed to above-mentioned Hc/HctOccurrence be adjusted, with obtain with appropriate shrinkage rate transition runner
12。
Supporting table 13 in a ring can be equipped with inside table chamber 11, the inner end of 13 upper surface of supporting table can be equipped with platform
Rank, the step surface can form annular support surface 131, be used to support the top of water meter movement.When movement is installed in table chamber 11, machine
The top of core can be abutted against with annular support surface 131, and form sealing, and upper table chamber 111, following table chamber 112 are isolated, from
And make the tap water entered from water inlet flow channel 31 that must can enter outlet passage 21 by movement, to reduce the water meter
Measurement error.
In addition, compared with the water meter that nominal diameter is 15mm or 20mm, nominal diameter is the annular brace of the water meter of 25mm
Face 131 and the distance between the bottom surface of table body 1 can increase certain height, such as 0.2-1mm, that is to say, that straight for nominal
Diameter is the water meter of 25mm, and the mounting height of movement can increase, and to increase its water-outlet area, be conducive to further reduce pressure
Damage.
In the prior art, table body 1 is usually copper material, and copper material higher price, can cause the raising of water meter cost,
And copper material still belongs to heavy metal, there are larger pollutions, more seriously, when processing table body 1 using copper material, due to work
Skill reason can have a mounting blocks 311, which will be tight in the junction of water inlet pipe 3 and table body 1 in water inlet pipe 3
Ghost image rings the smoothness that water inlet flow channel 31 circulates.
For the technical problem, plastic material may be used in the provided table body of the utility model embodiment 1, in this way, water inlet
Runner 31 will not form the mounting blocks 311 close to the end of following table chamber 112, and the operation resistance of water inlet flow channel 31 can be greatly reduced
Power, as shown in Figure 9.
Alternatively, as shown in Figure 10, even if there are mounting blocks 311 in the water inlet flow channel 31, can also be set in water inlet flow channel 31
There is streamlined gentle slope section 312, to cover mounting blocks 311, to can avoid intaking caused by the presence of mounting blocks 311
The increase that runner 31 passes through resistance.
Specifically, it may include several second that gentle slope section 312, which intersects the vertical transversal 312a obtained with vertical plane,
The third angle of separated time section, adjacent two second separated time Duan Suocheng can be greater than or equal to 120 degree, and third angle is less than 150 degree
Adjacent two second separated time sections logarithm can be no more than 3 pairs, that is to say, that the folder of most of adjacent two second separated time sections
It angle can be at 150 degree or more so that the vertical transversal 312a can be more close to straight line, farthest to ensure feed water flow
Flowing smoothly property inside road 31.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of water meter, including table body (1), there is the table body (1) table chamber (11), the table body (1) to be additionally provided with outlet pipe
(2), outlet passage (21) is formed in the outlet pipe (2), which is characterized in that
It is additionally provided with transition runner (12) in the table body (1), the inner wall of the transition runner (12) is streamlined, both ends difference
It is connected with the table chamber (11), the outlet passage (21), and the transition runner (12) and the table chamber (11), the water outlet
The junction of runner (21) seamlessly transits.
2. water meter according to claim 1, which is characterized in that the inner wall of the transition runner (12) intersects gained with horizontal plane
To each point of first level transversal (121) to be satisfied by derivative continuous；Alternatively,
The first level transversal (121) includes several first separated time sections, the first folder of the adjacent two first separated time Duan Suocheng
Angle is greater than or equal to 150 degree.
3. water meter according to claim 2, which is characterized in that first angle is less than or equal to 160 degree of adjacent two institute
The logarithm for stating the first separated time section is no more than 3 pairs.
4. water meter according to claim 2, which is characterized in that in the transition runner (12) and the outlet passage (21)
Joining section (122), horizontal plane intersect the obtained second horizontal transversal (211) and the water with the inner wall of the outlet passage (21)
It is big that plane intersects the second angle that the obtained first level transversal (121) is in the inner wall of the transition runner (12)
In 90 degree.
5. water meter according to claim 4, which is characterized in that the joining section (122) is H in the height of vertical directionct, institute
It is H that the joining section (122) of second angle less than or equal to 100 degree, which is stated, in the height of vertical directionc, wherein Hc/Hct≤
0.1。
6. according to any one of the claim 1-5 water meters, which is characterized in that the table chamber (11) includes upper table chamber (111)
With following table chamber (112), one end of the transition runner (12) is connected with the upper table chamber (111), the other end with it is described go out flow
Road (21) is connected；
The lower wall surface (123) of the transition runner (12) is more than 25 degree with the angle of horizontal plane.
7. water meter according to claim 6, which is characterized in that the connecting pin of the transition runner (12) and the table chamber (11)
It is H in the height of vertical direction, the length of the transition runner (12) is L, column of the connecting pin in the upper table chamber (111)
The water-outlet area being enclosed on wall surface is S；
For nominal diameter be 15mm or 20mm the water meter, the H >=20mm, the L >=40mm, the S >=
750mm2；
For the water meter that nominal diameter is 25mm, the H >=25mm, the L >=49mm, the S >=1200mm2。
8. water meter according to claim 6, which is characterized in that the table chamber (11) is internally provided with supporting table in a ring
(13), the upper surface of the supporting table (13) is equipped with annular support surface (131), is used to support the top of the movement of the water meter；
Compared with the water meter that nominal diameter is 15mm or 20mm, nominal diameter is the annular branch of the water meter of 25mm
The distance between support face (131) and the bottom surface of the table body (1) increase 0.2-1mm.
9. water meter according to claim 6, which is characterized in that the table body (1) is additionally provided with water inlet pipe (3), the water inlet pipe
(3) water inlet flow channel (31) being connected with the following table chamber (112) is formed in, the water inlet flow channel (31) is close to the following table chamber
(112) mounting blocks (311) are not arranged for end；Alternatively,
The water inlet flow channel (31) is equipped with mounting blocks (311), the water inlet flow channel (31) close to the end of the following table chamber (112)
It is inside additionally provided with fairshaped gentle slope section (312), the gentle slope section (312) can cover the mounting blocks (311).
10. water meter according to claim 9, which is characterized in that gentle slope section (312) intersects erecting of being obtained with vertical plane
Straightforward line (312a) includes several second separated time sections, and the third angle of the adjacent two second separated time Duan Suocheng is greater than or equal to
120 degree, and the logarithm of the adjacent two second separated time section of the third angle less than 150 degree is no more than 3 pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925415.5U CN207622818U (en) | 2017-12-29 | 2017-12-29 | A kind of water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925415.5U CN207622818U (en) | 2017-12-29 | 2017-12-29 | A kind of water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207622818U true CN207622818U (en) | 2018-07-17 |
Family
ID=62831002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721925415.5U Active CN207622818U (en) | 2017-12-29 | 2017-12-29 | A kind of water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207622818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061586A (en) * | 2017-12-29 | 2018-05-22 | 北京奥特美克科技股份有限公司 | A kind of water meter |
-
2017
- 2017-12-29 CN CN201721925415.5U patent/CN207622818U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061586A (en) * | 2017-12-29 | 2018-05-22 | 北京奥特美克科技股份有限公司 | A kind of water meter |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Shell of water flowmeter and its manufacture method Effective date of registration: 20181107 Granted publication date: 20180717 Pledgee: Bank of China, Limited by Share Ltd, Beijing subbranch Pledgor: Beijing Automatic Science and Technology Co., Ltd. Registration number: 2018990001025 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200421 Granted publication date: 20180717 Pledgee: Bank of China, Limited by Share Ltd, Beijing subbranch Pledgor: BEIJING AUTOMIC SCIENCE&TECHNOLOGY Co.,Ltd. Registration number: 2018990001025 |