CN202928638U - Reducing meter body and ultrasonic flowmeter with reducing meter body - Google Patents
Reducing meter body and ultrasonic flowmeter with reducing meter body Download PDFInfo
- Publication number
- CN202928638U CN202928638U CN 201220604329 CN201220604329U CN202928638U CN 202928638 U CN202928638 U CN 202928638U CN 201220604329 CN201220604329 CN 201220604329 CN 201220604329 U CN201220604329 U CN 201220604329U CN 202928638 U CN202928638 U CN 202928638U
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- table body
- catoptron
- reducing
- reducing table
- meter body
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- 238000005259 measurement Methods 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 18
- 239000004033 plastic Substances 0.000 description 18
- 210000000664 rectum Anatomy 0.000 description 13
- 239000010935 stainless steel Substances 0.000 description 10
- 229910001220 stainless steel Inorganic materials 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of heat measurement, in particular to a reducing meter body and an ultrasonic flowmeter with the reducing meter body. The reducing meter body comprises a reducing meter body main body and reflecting mirrors. The reducing meter body main body is of the shape of a hollow cylinder. The diameter of the two end parts of the reducing meter body main body is larger than the diameter of the middle part of the reducing meter body main body. Clamping grooves are arranged in the inner holes of two end parts of the reducing meter body main body along the radial direction. The reflecting mirrors are inserted into the clamping grooves. Since the clamping grooves are arranged in the inner holes of two end parts of the reducing meter body main body along the radial direction and the reflecting mirrors are inserted into the clamping grooves, the product assembling link is simplified, the product assembling complexity is reduced, the product metering accuracy is improved and the product cost is indirectly reduced.
Description
Technical field
The utility model relates to the heat metering technical field, relates in particular to a kind of reducing table body and is provided with the ultrasonic flow meter of this reducing table body.
Background technology
The table body is the base table parts of ultrasonic flow meter, plays the carrying fluid in ultrasonic flow meter, transmits the fluid ultrasonic signal.The base table parts main flow form of ultrasonic flow meter is plastic stent body formula latus rectum table body in the market, as shown in Figure 1, this latus rectum table body comprises latus rectum table body body 1, plastic stent 4, plastics measuring tube 5 and stainless steel catoptron 6, described latus rectum table body body 1 is provided with two ultrasonic transducer mounting holes 2, be used for installing ultrasonic transducer, and a register pin mounting hole 3, be used for installing register pin.This structure is by latus rectum table body carrying fluid, transmit ultrasonic signal by stainless steel catoptron 6, and plastic stent 4 plays supporting plastic measuring tube 5 and stainless steel catoptron 6, and the axis of the axis of two ultrasonic transducer mounting holes 2 and register pin mounting hole 3 is positioned on the same face.
Existing this latus rectum table body, the bearing accuracy of the positional precision of the position of stainless steel catoptron 6 and latus rectum table body body 1 assembling ultrasonic transducer, the machining precision of plastic stent 4, register pin is closely bound up.
Plastic stent body formula latus rectum table body, assembling is complicated cumbersome, and stainless steel catoptron 6 and the rigging error of plastic stent 4, the foozle of table body all will affect and transmit hyperacoustic precision, and then affect the error in dipping of ultrasonic flow meter.
Because plastic stent 4 and plastics measuring tube 5 are made by plastics, and the linear expansion coefficient of plastics is far longer than the linear expansion coefficient of latus rectum table body, plastic stent 4 is subjected to the impact of high temperature (typical temperature can reach 90 ℃ ± 5), cause the position of the stainless steel catoptron 6 in plastic stent 4 to change, and then impact transmission ultrasonic signal, finally cause the ultrasonic calorimeter measuring accuracy to descend.
The structure of existing latus rectum table body assembling ultrasonic transducer, be the upside assembling, namely the axis of the axis of two ultrasonic transducer mounting holes 2 and register pin mounting hole 3 is positioned on the same face, when ultrasonic flow meter measures, if can not fully bubble be discharged in pipeline, these bubbles will directly affect the metering of ultrasonic flow meter, the ultrasonic flow meter test occur even sometimes less than the phenomenon of signal.
Therefore, for above deficiency, the utility model provides a kind of reducing table body and has been provided with the ultrasonic flow meter of this reducing table body.
Summary of the invention
The technical matters that (one) will solve
The purpose of this utility model is to solve existing latus rectum table body to assemble complicated cumbersome, the rigging error of catoptron and plastic stent is large and the foozle table body is also large, this will affect and transmit hyperacoustic precision, and then affect the problem of the error in dipping of ultrasonic flow meter.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of reducing table body, this reducing table body comprises reducing table body body and catoptron, described reducing table body body is hollow cylindrical, the diameter at its both ends is larger than the diameter of pars intermedia, radially be provided with draw-in groove in the endoporus at both ends, described catoptron inserts in this draw-in groove.
Wherein, described reducing table body body is provided with two ultrasonic transducer mounting holes and a register pin mounting hole, and the axial and axial angle register pin mounting hole of described ultrasonic transducer mounting hole is 45 degree.
Wherein, described catoptron comprises catoptron body and mirror support, and the angle between described catoptron body and mirror support is 45 degree.
Wherein, described catoptron is the integral type structure.
Wherein, described mirror support inserts in draw-in groove, and described mirror support and draw-in groove are interference fit.
Wherein, described reducing table body body is corresponding with the linear expansion coefficient of catoptron.
The utility model also provides a kind of ultrasonic flow meter, and it comprises described reducing table body.
(3) beneficial effect
Technique scheme of the present utility model has following advantage: by be disposed radially draw-in groove in the endoporus at the both ends of reducing table body body, described catoptron is inserted in this draw-in groove, like this, simplified the assembling link of product, reduced the Product Assembly complicacy, improve the measuring accuracy of product, indirectly reduced cost of products.
Description of drawings
Fig. 1 is the structural representation of prior art latus rectum table body;
Fig. 2 is the schematic perspective view of the utility model embodiment reducing table body body;
Fig. 3 is the schematic perspective view of the utility model embodiment catoptron;
Fig. 4 is the front view that the utility model embodiment reducing table body is installed;
Fig. 5 is the vertical view that the utility model embodiment reducing table body is installed;
Fig. 6 is the B-B cut-open view of the utility model embodiment Fig. 4.
In figure: 1: latus rectum table body body; 2: the ultrasonic transducer mounting hole; 3: the register pin mounting hole; 4: plastic stent; 5: the plastics measuring tube; 6: the stainless steel catoptron; 7: reducing table body body; 8: the ultrasonic transducer mounting hole; 9: the register pin mounting hole; 10: catoptron; 71: the end; 72: pars intermedia; 73: draw-in groove; 101: mirror support; 102: the catoptron body.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
As shown in Fig. 4-6, the reducing table body that the utility model embodiment provides, this reducing table body comprises reducing table body body 7 and catoptron 10, described reducing table body body 7 is provided with two ultrasonic transducer mounting holes 8 and a register pin mounting hole 9, and axial and axial angle register pin mounting hole 9 of described ultrasonic transducer mounting hole 8 is 45 degree.Reducing table body body 7 is by traditional hot-pressed and get (the red technique of rushing of popular title), and the material of reducing table body body 7 is used stainless steel or alloy usually, and is preferred, adopts stainless steel.Like this, ultrasonic transducer has been realized the side direction installation, when ultrasonic flow meter measures, the bubble in pipeline can be discharged fully, has so just eliminated the factor that affects the ultrasonic flow meter metering, has realized the stable of ultrasonic flow meter test signal.
As shown in Figure 2, described reducing table body body 7 is provided with two ultrasonic transducer mounting holes 8 and a register pin mounting hole 9, and axial and axial angle register pin mounting hole 9 of described ultrasonic transducer mounting hole 8 is 45 degree.Described reducing table body body 7 is hollow cylindrical, the diameter at its both ends 71 is larger than the diameter of pars intermedia 72, be provided with reinforcement outside the external diameter of described pars intermedia 72, this reinforcement is connected with described end 71, register pin mounting hole 9 is positioned on pars intermedia 72, radially be provided with draw-in groove 73 in the endoporus at described both ends 71, described catoptron 10 inserts in this draw-in groove 73.
As shown in Figure 3, described catoptron 10 comprises catoptron body 102 and mirror support 101, and the angle between described catoptron body 102 and mirror support 101 is 45 degree.Described catoptron body 102 can be the integral type structure with mirror support 101, also can adopt any connected mode to be formed by connecting, preferably, described catoptron 10 is the integral type structure, be that described catoptron body 102 is one-body molded with mirror support 101, preferably, by the parallel processes moulding of the cutting of panel beating line and bending, the shaping angle is 45 degree.Described mirror support 101 inserts in draw-in groove 73, and described mirror support 101 is interference fit with draw-in groove 73.
Described reducing table body body 7 is corresponding with the linear expansion coefficient of catoptron 10, be interpreted as that reducing table body body 7 is identical or close with the linear expansion coefficient of catoptron 10, and the linear expansion coefficient of reducing table body body 7 and catoptron 10 is with more approaching better, preferably, reducing table body body 7 adopts the same material manufacturing with catoptron 10, has so just guaranteed that linear expansion coefficient both is identical.Because described catoptron 10 adopts stainless steel can manufacturing moulding, replaced existing plastic stent, so just guaranteed that reducing table body body 7 is basic identical with the linear expansion coefficient of catoptron 10, reduced the impact of temperature on catoptron 10 positions.
The utility model also provides a kind of ultrasonic flow meter, and it comprises described reducing table body.By using this reducing table body to improve the measuring accuracy of ultrasonic flow meter, and reduced the complicacy of Product Assembly, the operator only needs catoptron 10 is inserted in draw-in grooves 73 and gets final product, and facilitate operator's use, operation and maintenance.
In sum, by be disposed radially draw-in groove in the endoporus at the both ends of reducing table body body, described catoptron is inserted in this draw-in groove, like this, simplify the assembling link of product, reduced the Product Assembly complicacy, improve the measuring accuracy of product, indirectly reduced cost of products.
The above is only a kind of preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (7)
1. reducing table body, it is characterized in that: comprise reducing table body body (7) and catoptron (10), described reducing table body body (7) is hollow cylindrical, the diameter at its both ends (71) is larger than the diameter of pars intermedia (72), radially be provided with draw-in groove (73) in the endoporus of both ends (71), described catoptron (10) inserts in this draw-in groove (73).
2. reducing table body according to claim 1, it is characterized in that: described reducing table body body (7) is provided with two ultrasonic transducer mounting holes (8) and a register pin mounting hole (9), and axial and axial angle register pin mounting hole (9) of described ultrasonic transducer mounting hole (8) is 45 degree.
3. reducing table body according to claim 1, it is characterized in that: described catoptron (10) comprises catoptron body (102) and mirror support (101), the angle between described catoptron body (102) and mirror support (101) is 45 degree.
4. reducing table body according to claim 3 is characterized in that: described catoptron (10) is the integral type structure.
5. reducing table body according to claim 3 is characterized in that: described mirror support (101) inserts in draw-in groove (73), and described mirror support (101) is interference fit with draw-in groove (73).
6. reducing table body according to claim 1, it is characterized in that: described reducing table body body (7) is corresponding with the linear expansion coefficient of catoptron (10).
7. a ultrasonic flow meter, is characterized in that: comprise as the described reducing table of claim 1-6 any one body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604329 CN202928638U (en) | 2012-11-15 | 2012-11-15 | Reducing meter body and ultrasonic flowmeter with reducing meter body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604329 CN202928638U (en) | 2012-11-15 | 2012-11-15 | Reducing meter body and ultrasonic flowmeter with reducing meter body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202928638U true CN202928638U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220604329 Expired - Lifetime CN202928638U (en) | 2012-11-15 | 2012-11-15 | Reducing meter body and ultrasonic flowmeter with reducing meter body |
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| Country | Link |
|---|---|
| CN (1) | CN202928638U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931105A (en) * | 2015-04-02 | 2015-09-23 | 烟台五神仪表有限公司 | Integrated reflector for flow sensor of ultrasonic heat energy meter |
| CN105092101A (en) * | 2015-09-16 | 2015-11-25 | 合肥瑞纳表计有限公司 | Ultrasonic calorimeter |
| CN105973324A (en) * | 2016-05-05 | 2016-09-28 | 汇中仪表股份有限公司 | Sheet type measuring sensor for ultrasonic water meters, heat meters and flow meters and use method of measuring sensor |
-
2012
- 2012-11-15 CN CN 201220604329 patent/CN202928638U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931105A (en) * | 2015-04-02 | 2015-09-23 | 烟台五神仪表有限公司 | Integrated reflector for flow sensor of ultrasonic heat energy meter |
| CN105092101A (en) * | 2015-09-16 | 2015-11-25 | 合肥瑞纳表计有限公司 | Ultrasonic calorimeter |
| CN105973324A (en) * | 2016-05-05 | 2016-09-28 | 汇中仪表股份有限公司 | Sheet type measuring sensor for ultrasonic water meters, heat meters and flow meters and use method of measuring sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 101102 Tongzhou District science and Technology Park, Zhongguancun, Tongzhou science and Technology Park Jinqiao Park Industrial Park, the base of the king of the south, two street, building No. 23, No. 25 Patentee after: BEIJING JIAJIENENG TECHNOLOGY Co.,Ltd. Address before: 101102 Zhongguancun science and Technology Park, Tongzhou science and Technology Park, Tongzhou District Jinqiao Science and technology industrial base, No. 17 Central Road, No. 11A Patentee before: BEIJING FINE & CLEAN ENERGY Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Reducing meter body and ultrasonic flowmeter with reducing meter body Effective date of registration: 20180921 Granted publication date: 20130508 Pledgee: Bank of Beijing Zhongguancun branch Limited by Share Ltd. Haidian Pledgor: BEIJING JIAJIENENG TECHNOLOGY Co.,Ltd. Registration number: 2018990000862 |
|
| PE01 | Entry into force 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: 20210419 Granted publication date: 20130508 Pledgee: Bank of Beijing Zhongguancun branch Limited by Share Ltd. Haidian Pledgor: BEIJING JIAJIENENG TECHNOLOGY Co.,Ltd. Registration number: 2018990000862 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |
|
| CX01 | Expiry of patent term |