CN107421595A - A kind of metering cell structure for flowmeter - Google Patents
A kind of metering cell structure for flowmeter Download PDFInfo
- Publication number
- CN107421595A CN107421595A CN201710457321.8A CN201710457321A CN107421595A CN 107421595 A CN107421595 A CN 107421595A CN 201710457321 A CN201710457321 A CN 201710457321A CN 107421595 A CN107421595 A CN 107421595A
- Authority
- CN
- China
- Prior art keywords
- end cover
- measuring room
- rotor
- cell structure
- bottom end
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/28—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement
- G01F11/42—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement with supply or discharge valves of the rotary or oscillatory type
- G01F11/44—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement with supply or discharge valves of the rotary or oscillatory type for liquid or semiliquid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/006—Details or accessories
Abstract
The invention belongs to the field of flow meters for detection gas or fluid flow, specially a kind of metering cell structure for flowmeter, including measuring room, upper end cover and bottom end cover, upper end cover and bottom end cover are provided with guiding gutter, intake channel is provided with outside measuring room tube body wall, intake channel one end connects, in all straight-through measuring room cavity of the other end, exit passageway is also provided with outside measuring room tube body wall simultaneously, two outlet passage end connections, the exit passageway other end and upper end cover, one guiding gutter of bottom end cover connects, rotor is provided with measuring room cavity, the upper surface and lower surface of rotor are all provided with groove, armature spindle is located at baffle central, upper end cover is equipped with an output shaft, bottom end cover is equipped with a center eccentric shaft, the top and bottom of armature spindle are separately positioned on capacity eccentric bearing, in the bearing hole of lower capacity eccentric bearing.Metering cell structure provided by the invention is the metering cell structure that a kind of discharge capacity is big, the degree of accuracy is high, abrasion is small, and the flowmeter volume being made from it is small, easy care.
Description
Technical field
It is specially a kind of based on flowmeter the invention belongs to the field of flow meters for detection gas or fluid flow
Measure cell structure.
Background technology
The volumetric flowmeter the applied in the market such as flowmeter such as Roots, birotor, oval piston generally existing body
Product heaviness, quick abrasion, it is difficult in maintenance the problems such as, the crux of problem is that measuring room unreasonable structure.
The content of the invention
The present invention is in order to solve the above problems, there is provided a kind of metering cell structure for flowmeter.
The present invention adopts the following technical scheme that realization：A kind of metering cell structure for flowmeter, including tubulose
Measuring room, cover upper end cover and bottom end cover in measuring room top and bottom respectively, on the inner face of upper end cover and bottom end cover point
The guiding gutter of a pair of positional symmetries is not provided with, and two symmetrical intake channels, two intake channels one are provided with outside measuring room tube body wall
End is connected and as the entrance of measuring room, the two intake channel other ends are all led directly in measuring room cavity, same outside measuring room tube body wall
When be also provided with two symmetrical exit passageways, two outlet passage ends connections and as the outlet of measuring room, each exit passageway
A guiding gutter of the other end respectively with upper end cover, bottom end cover connects, and rotor is provided with measuring room cavity, the upper surface of rotor is with
End face is all provided with groove, and upper end cover is equipped with an output shaft, and output shaft lower end is connected with the axle in the groove of rotor upper surface
Disk, is embedded with upper capacity eccentric bearing on reel, and bottom end cover is equipped with a center eccentric shaft, and the upper end of center eccentric shaft is connected with positioned at turning
Reel in sub- lower surface groove, lower capacity eccentric bearing being housed on reel, upper capacity eccentric bearing, the bearing hole of lower capacity eccentric bearing are coaxial,
The top and bottom of armature spindle are separately positioned in the bearing hole of capacity eccentric bearing, lower capacity eccentric bearing.
Figure 12 is the fundamental diagram of the metering cell structure, and measured medium enters measuring room cavity by two intake channels
Interior, measured medium from two intake channels due to entering, and rotor both sides have pressure difference after measured medium enters measuring room cavity,
In the presence of pressure difference, rotor is floated, and drive rotor rotates in measuring room, rotor in motion process with metering
Continual cyclically-varying is formed between chamber interior walls, is periodically blocked the guiding gutter on upper end cover, bottom end cover, exposure,
Measured medium is alternately discharged eventually through guiding gutter, two exit passageways, and the volume discharged is directly proportional to the rotating speed of rotor.
A kind of above-mentioned metering cell structure for flowmeter, the rotor are three-apexed rotor, and measuring room cavity inner wall is cut
Surface curve is ellipse.This is anodontia, and three-apexed rotor is applied to volumetric flowmeter still belongs to the first time, and changes drive manner, realizes
Anodontia motion, rotor weight is alleviated, it is simple and practical, it is easily worked, can also simplifies the structure of measuring room.
A kind of above-mentioned metering cell structure for flowmeter, the through hole around armature spindle is provided with rotor, can mitigate and turn
The weight of son.
Metering cell structure provided by the invention is the metering cell structure that a kind of discharge capacity is big, the degree of accuracy is high, abrasion is small, by its system
Into flowmeter volume is small, easy care.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structure sectional view of measuring room.
Fig. 3 is Fig. 2 right side view.
Fig. 4 is Fig. 2 left view sectional view.
Fig. 5 is Fig. 2 front cross-section view.
Fig. 6 is the structural representation of upper end cover.
Fig. 7 is the sectional view of upper end cover.
Fig. 8 is the structural representation of bottom end cover.
Fig. 9 is the sectional view of bottom end cover.
Figure 10 is the structural representation of rotor.
Figure 11 is the sectional view of rotor.
Figure 12 is fundamental diagram.
In figure：1- measuring rooms, 2- intake channels, 3- exit passageways, 4- guiding gutters, 5- through holes, 6- output shafts, 7- centers
Eccentric shaft, 8- rotors, 9- armature spindles, the upper capacity eccentric bearings of 10-, capacity eccentric bearing under 11-, 12- upper end covers, 13- bottom end covers.
Embodiment
A kind of metering cell structure for flowmeter, including the measuring room 1 of tubulose, cover respectively in measuring room top and bottom
Upper end cover 12 and bottom end cover 13, the guiding gutters of a pair of positional symmetries is had on the inner face of upper end cover 12 and bottom end cover 13
4, it is provided with two symmetrical intake channels 2 in measuring room tube body wall, two intake channel one end connection and as the entrance of measuring room,
In all straight-through measuring room cavity of the two intake channel other ends, two symmetrical exit passageways are also provided with simultaneously in measuring room tube body wall
3, two outlet passage ends connections and as the outlet of measuring room, each exit passageway other end respectively with upper end cover, bottom end cover
A guiding gutter connect, the upper end cover that the exit passageway other end connects, the position of the guiding gutter on bottom end cover correspond to up and down, meter
The rotor 8 contour with measuring room is provided with amount chamber body, the upper surface and lower surface of rotor 8 are all provided with groove, and armature spindle 9 is located at
Lower notches space bar center, upper end cover center are equipped with an output shaft 6, and the lower end of output shaft 6 is connected with positioned at rotor upper surface
Reel in groove, upper capacity eccentric bearing 10 is embedded with reel, and bottom end cover center is equipped with a center eccentric shaft 7, center eccentric shaft 7
Upper end be connected with the reel in the groove of rotor lower surface, lower capacity eccentric bearing 11 is housed on reel, upper capacity eccentric bearing, it is lower partially
The bearing hole that mandrel is held is coaxial, and the top and bottom of armature spindle are separately positioned on capacity eccentric bearing, the bearing hole of lower capacity eccentric bearing
It is interior.
A kind of above-mentioned metering cell structure for flowmeter, the rotor are three-apexed rotor, and measuring room cavity inner wall is cut
Surface curve is ellipse.
A kind of above-mentioned metering cell structure for flowmeter, the through hole 5 around armature spindle is provided with rotor.
Armature spindle is inserted into upper and lower eccentric bearing hole during assembling, when rotor loading measuring room, with upper end cover, bottom end cover
Measuring room just forms confined space after fixation.By in the measuring room structure setting and flowmeter shell, and connected on output shaft
Signal generator can be made into flowmeter.
Claims (3)
- A kind of 1. metering cell structure for flowmeter, it is characterised in that the measuring room including tubulose（1）, respectively cover in measuring room The upper end cover of top and bottom（12）And bottom end cover（13）, upper end cover（12）And bottom end cover（13）Inner face on have one To the symmetrical guiding gutter in position（4）, two symmetrical intake channels are provided with measuring room tube body wall（2）, two intake channel one end Connect and all led directly to as the entrance of measuring room, the two intake channel other ends in measuring room cavity, in measuring room tube body wall simultaneously Also it is provided with two symmetrical exit passageways（3）, two exit passageways（3）One end connects and as the outlet of measuring room, each outlet A guiding gutter of the passage other end respectively with upper end cover, bottom end cover connects, and rotor is provided with measuring room cavity（8）, rotor（8）'s Upper surface and lower surface are all provided with groove, armature spindle（9）In groove, upper end cover is equipped with an output shaft（6）, output shaft （6）Lower end is connected with the reel in the groove of rotor upper surface, and upper capacity eccentric bearing is embedded with reel（10）, bottom end cover is equipped with one Individual center eccentric shaft（7）, center eccentric shaft（7）Upper end be connected with the reel in the groove of rotor lower surface, filled on reel There is lower capacity eccentric bearing（11）, upper capacity eccentric bearing, the bearing hole of lower capacity eccentric bearing are coaxial, and the top and bottom of armature spindle are set respectively Upper capacity eccentric bearing, lower capacity eccentric bearing bearing hole in.
- 2. a kind of metering cell structure for flowmeter according to claim 1, it is characterised in that the rotor is triangle Rotor, measuring room cavity inner wall cross section curve are ellipse.
- 3. a kind of metering cell structure for flowmeter according to claim 1 or 2, it is characterised in that be provided with and enclose on rotor Around the through hole of armature spindle（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457321.8A CN107421595A (en) | 2017-06-16 | 2017-06-16 | A kind of metering cell structure for flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457321.8A CN107421595A (en) | 2017-06-16 | 2017-06-16 | A kind of metering cell structure for flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107421595A true CN107421595A (en) | 2017-12-01 |
Family
ID=60428867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710457321.8A Pending CN107421595A (en) | 2017-06-16 | 2017-06-16 | A kind of metering cell structure for flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107421595A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169529A (en) * | 1996-07-03 | 1998-01-07 | 李振国 | High-precision shockless three-blade type building-block type Roots flowmeter |
| CN2514319Y (en) * | 2001-12-14 | 2002-10-02 | 张六祥 | Suspension single rotor flowmeter |
| CN101149284A (en) * | 2007-11-01 | 2008-03-26 | 浙江大学 | Special-shaped cavity flow meter |
| CN201130039Y (en) * | 2007-11-01 | 2008-10-08 | 浙江大学 | Special-shaped cavity flowmeter |
| CN101586973A (en) * | 2009-07-02 | 2009-11-25 | 浙江大学 | Bidirectional abnormal chamber flowmeter |
| CN201463955U (en) * | 2009-07-02 | 2010-05-12 | 浙江大学 | Two-way abnormal-shaped cavity flowmeter |
| CN102200458A (en) * | 2010-03-25 | 2011-09-28 | 林扬根 | Volumetric gas rotor flow meter |
| CN203772339U (en) * | 2014-04-12 | 2014-08-13 | 山西天赐霖泉能源科技有限公司 | Suspension single-rotor gas flowmeter |
| CN105275599A (en) * | 2015-11-19 | 2016-01-27 | 李平原 | Planet gear type triangular rotor engine |
-
2017
- 2017-06-16 CN CN201710457321.8A patent/CN107421595A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169529A (en) * | 1996-07-03 | 1998-01-07 | 李振国 | High-precision shockless three-blade type building-block type Roots flowmeter |
| CN2514319Y (en) * | 2001-12-14 | 2002-10-02 | 张六祥 | Suspension single rotor flowmeter |
| CN101149284A (en) * | 2007-11-01 | 2008-03-26 | 浙江大学 | Special-shaped cavity flow meter |
| CN201130039Y (en) * | 2007-11-01 | 2008-10-08 | 浙江大学 | Special-shaped cavity flowmeter |
| CN101586973A (en) * | 2009-07-02 | 2009-11-25 | 浙江大学 | Bidirectional abnormal chamber flowmeter |
| CN201463955U (en) * | 2009-07-02 | 2010-05-12 | 浙江大学 | Two-way abnormal-shaped cavity flowmeter |
| CN102200458A (en) * | 2010-03-25 | 2011-09-28 | 林扬根 | Volumetric gas rotor flow meter |
| CN203772339U (en) * | 2014-04-12 | 2014-08-13 | 山西天赐霖泉能源科技有限公司 | Suspension single-rotor gas flowmeter |
| CN105275599A (en) * | 2015-11-19 | 2016-01-27 | 李平原 | Planet gear type triangular rotor engine |
Non-Patent Citations (3)
| Title |
|---|
| 孙柏刚: "《车辆发动机原理》", 30 November 2015, 北京理工大学出版社 * |
| 戴少生: "《粉碎工程及设备》", 31 December 1994, 中国建材工业出版社 * |
| 郁永章: "《容积式压缩机技术手册》", 30 November 2000, 机械工业出版社 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |