CN2369218Y - Standard orifice assembly - Google Patents
Standard orifice assembly Download PDFInfo
- Publication number
- CN2369218Y CN2369218Y CN 99231419 CN99231419U CN2369218Y CN 2369218 Y CN2369218 Y CN 2369218Y CN 99231419 CN99231419 CN 99231419 CN 99231419 U CN99231419 U CN 99231419U CN 2369218 Y CN2369218 Y CN 2369218Y
- Authority
- CN
- China
- Prior art keywords
- orifice plate
- guide plate
- standard
- plate
- concentric
- Prior art date
- 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 is composed of an orifice plate component and a positioning component, which is characterized in that the orifice plate component is composed of a standard orifice plate and a sealing ring of an orifice plate guide plate; the orifice plate guide plate is provided with holes and rings which are concentric with the holes, and the rings arranged on the outer side are slightly large; the rings are opened from semi-circle positions; the standard orifice plate and the sealing ring are arranged on the orifice plate guide plate in an interference mode; open pores of the standard orifice plate and the rings arranged on one half of circle of the outer side of the orifice plate guide plate are concentric; the positioning component is a cylinder ring; inserting slots are arranged on the positioning component; the diameter of the positioning component is the same as the that of the rings arranged on the outer side of the orifice plate guide plate, and the end surface is perpendicular to a measuring pipe. A middle orifice plate component is inserted into the inserting slots of the positioning rings in the course of use, the two are tightly matched on the vertical end surface in the radial direction of the measuring pipe, and therefore, the measuring accuracy and the stability of a valve type orifice plate throttling gear to fluid are enhanced.
Description
The utility model relates to the standard orifice plate assembly that uses in a kind of pipeline gas, this measurement amount.
The valve-type orifice-plate restriction device is the device that is used for the generation and the transmission of measurement of fluid flow signal.And the standard orifice plate assembly is the critical component in this device.One of existing related techniques is the right alignment that mixes up orifice plate and passage with the set screw of valve body bottom.But find that in long-term the use the easy sediment in set screw top and raise orifice plate causes orifice plate and measures the passage decentraction, it is poor to reuse bearing accuracy, has a strong impact on the flow metering precision.And use very difficulty of on-the-spot rectification error the user.Simultaneously, button F4 ring structure when bivalve is adopted in the sealing of orifice plate, its material hardness is big, and O-ring seal insufficient compression, sealing property are not good, seepage often occurs.
The measuring accuracy difference that exists in view of above-mentioned orifice plate assembly and leakage problems often occurs, the purpose of this utility model are that a kind of orifice plate of design location is accurate, the standard orifice plate assembly of accurate measurement, stable performance, antiseep.
The structure that the utility model is taked has overcome the deficiencies in the prior art, it comprises aperture plate features and keeper, it is characterized in that aperture plate features is by standard orifice plate, orifice plate guide plate and seal constitute, and have hole and the ring concentric with the hole on the orifice plate guide plate, and outer shroud is bigger and from the lower half circle opening, top is 1/2nd faces of cylinder, standard orifice plate is the concentric thin rosette of endoporus, cylindrical, and the standard orifice plate interference is installed in the O-ring seal, and the O-ring seal interference is installed in the orifice plate guide plate.The keeper outside diameter is identical with orifice plate guide plate 1/2nd faces of cylinder, and concentric with measuring channel, and there is a slot centre, and slot width is slightly less than orifice plate guide plate thickness, and O-ring seal thickness is greater than the locating ring slot width.
Above-mentioned keeper, can adopt the special material installation and processing in valve formula main body, also can directly process on valve formula main body, require its end face perpendicular to the measuring tube passage, external cylindrical surface is concentric with the measuring tube passage, and diameter is identical with 1/2nd faces of cylinder, the orifice plate guide plate outside.
Assembly structure is that the standard orifice plate interference is installed in the O-ring seal, and the O-ring seal interference is installed in the orifice plate guide plate, is assembled into aperture plate features.By the relation of closely cooperating of a series of concentric circles cylinders, can guarantee that the perforate of standard orifice plate central authorities is coaxial in 1/2nd faces of cylinder in the orifice plate guide plate outside.With aperture plate features, the place is inserted into locating ring by orifice plate guide plate outer openings, utilizes 1/2nd faces of cylinder to cooperate with keeper, and it is coaxial in the target of measuring tube to reach the standard orifice plate perforate; Utilize keeper end face (slot surface), spacing to sealing surface, reach the target of standard orifice plate end face, and the concentric locating face that can guarantee do not contact with working medium in use, thereby can not produce the sediment phenomenon and guaranteed the reliability and the accuracy of location perpendicular to measuring tube.
The utility model is through scientific and reasonable for structure, and the right alignment of its standard orifice plate and measuring tube, perpendicularity deviation are far smaller than the regulation of ISO5167, GB/T2624, pore plate by sealing strictness, ne-leakage.Adopt valve-type orifice-plate restriction device accurate measurement, stable performance that this structure produces, surpass external advanced level, have good market outlook.
Describe the utility model in detail below in conjunction with accompanying drawing:
Fig. 1 aperture plate features front view
Fig. 2 crosses center pit sectional view (bilateral location)
Fig. 3 crosses center pit sectional view (one-sided location)
The assembly structure (bilateral) of Fig. 4 orifice plate guide plate parts and locating ring
The assembly structure (one-sided) of Fig. 5 orifice plate guide plate parts and locating ring
The installation diagram of Fig. 6 the utility model in the advanced valve type throttle orifice plate apparatus
By Fig. 1, Fig. 2, Fig. 3 as seen, this aperture plate features is made of standard orifice plate 1, O-ring seal 2 and orifice plate guide plate 3, has hole 5 and the ring 6 concentric with the hole on the orifice plate guide plate, and annulus 6 slightly larger in diameter in the outside are in the hole 5, and Open Side Down from the semicircle place, only stays 1/2nd upper semi-circle posts to give over to the location.The concentric thin metal dish interference of the endoporus 4 that the GB/T2624 standard that connects standard orifice plate 1 is processed into and cylindrical is installed in the O-ring seal 2, O-ring seal 2 interference again is installed in the hole 5 of orifice plate guide plate, the sealing circle is an one-piece construction, and its thickness is greater than locating ring end face slot size).Concentric ring on the orifice plate guide plate also can be made as shown in Figure 3, only does unidirectional open loop.
Locating ring 9 is a cylindrical component, and its outside diameter is identical with orifice plate guide plate 1/2nd faces of cylinder 6, and concentric with the measuring tube passage, and there is a slot centre, and slot width is slightly less than orifice plate guide plate 3 and requires its end face perpendicular to the measuring tube passage.This keeper can directly be processed on valve formula main body 8, or adopts special material to process and be installed in the valve formula main body.
With aperture plate features from top to bottom, 3 exterior annular mouth places are inserted into locating ring 9 by the orifice plate guide plate, utilize 1/2nd faces of cylinder to cooperate with locating ring, and it is coaxial in the target of measuring tube to reach standard orifice plate 1 perforate 4; Utilize locating ring end face spacing to O-ring seal, reach the purpose of standard orifice plate 2 end faces perpendicular to measuring tube.
The visible installation of the utility model in the advanced valve type throttle orifice plate apparatus in Fig. 6,8 is valve formula main body among the figure, and 7 is the measured downstream pipe, and 10 for surveying pipe in the upstream.
Claims (3)
1, the standard orifice plate assembly, comprise aperture plate features and keeper, it is characterized in that aperture plate features is by standard orifice plate, orifice plate guide plate and O-ring seal constitute, have hole and the ring concentric on the orifice plate guide plate with the hole, outer shroud is bigger and from the lower half circle opening, top is 1/2nd faces of cylinder, standard orifice plate is the concentric thin rosette of endoporus and cylindrical, the standard orifice plate interference is installed in the O-ring seal, and the O-ring seal interference is installed in the orifice plate guide plate, and keeper is an annulus, its diameter is identical with orifice plate guide plate 1/2nd faces of cylinder, concentric with measuring channel, a slot is arranged on the keeper, slot width is slightly less than orifice plate guide plate thickness.
2, standard orifice plate assembly as claimed in claim 1 is characterized in that on the orifice plate guide plate porosely, and two-sided or single face has the ring concentric with the hole.
3, standard orifice plate assembly as claimed in claim 1 or 2 is characterized in that ring inner hole has endless groove, and the size and the standard orifice plate of the well width and the degree of depth adapt.O-ring seal axial width and locating ring slot width adapt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99231419 CN2369218Y (en) | 1999-04-21 | 1999-04-21 | Standard orifice assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99231419 CN2369218Y (en) | 1999-04-21 | 1999-04-21 | Standard orifice assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2369218Y true CN2369218Y (en) | 2000-03-15 |
Family
ID=34020285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99231419 Expired - Fee Related CN2369218Y (en) | 1999-04-21 | 1999-04-21 | Standard orifice assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2369218Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424389C (en) * | 2006-09-26 | 2008-10-08 | 辽宁能发伟业能源科技有限公司 | Processing technology for interference connection between butterfly gate gasket and valve body |
| CN100462692C (en) * | 2004-05-19 | 2009-02-18 | 丹尼尔工业公司 | Dual chamber orifice fitting body |
| CN102632403A (en) * | 2012-04-24 | 2012-08-15 | 中煤北京煤矿机械有限责任公司 | Special drill jig for hydraulic support guide rod |
| CN103105505A (en) * | 2013-02-07 | 2013-05-15 | 扬州大学 | Five-hole probe adjusting device |
| CN103511787A (en) * | 2013-10-21 | 2014-01-15 | 吉林省华通制药设备有限公司 | Sanitary-type integrated restriction orifice |
| CN104948911A (en) * | 2014-03-27 | 2015-09-30 | 迪特里奇标准公司 | Adapter for inserting wafer ring between flanges of process piping |
| CN108027261A (en) * | 2015-08-12 | 2018-05-11 | 丹尼尔测量和控制公司 | Orifice plate component |
| CN114857397A (en) * | 2021-02-04 | 2022-08-05 | 中国航发商用航空发动机有限责任公司 | Throttling assembly |
-
1999
- 1999-04-21 CN CN 99231419 patent/CN2369218Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462692C (en) * | 2004-05-19 | 2009-02-18 | 丹尼尔工业公司 | Dual chamber orifice fitting body |
| CN100424389C (en) * | 2006-09-26 | 2008-10-08 | 辽宁能发伟业能源科技有限公司 | Processing technology for interference connection between butterfly gate gasket and valve body |
| CN102632403A (en) * | 2012-04-24 | 2012-08-15 | 中煤北京煤矿机械有限责任公司 | Special drill jig for hydraulic support guide rod |
| CN102632403B (en) * | 2012-04-24 | 2014-04-09 | 中煤北京煤矿机械有限责任公司 | Special drill jig for hydraulic support guide rod |
| CN103105505A (en) * | 2013-02-07 | 2013-05-15 | 扬州大学 | Five-hole probe adjusting device |
| CN103511787A (en) * | 2013-10-21 | 2014-01-15 | 吉林省华通制药设备有限公司 | Sanitary-type integrated restriction orifice |
| CN104948911A (en) * | 2014-03-27 | 2015-09-30 | 迪特里奇标准公司 | Adapter for inserting wafer ring between flanges of process piping |
| US10345124B2 (en) | 2014-03-27 | 2019-07-09 | Dieterich Standard, Inc. | Adapter for inserting wafer ring between flanges of process piping |
| CN108027261A (en) * | 2015-08-12 | 2018-05-11 | 丹尼尔测量和控制公司 | Orifice plate component |
| CN114857397A (en) * | 2021-02-04 | 2022-08-05 | 中国航发商用航空发动机有限责任公司 | Throttling assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |