CN211504279U - Gas waist wheel flowmeter - Google Patents
Gas waist wheel flowmeter Download PDFInfo
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- CN211504279U CN211504279U CN202020284586.XU CN202020284586U CN211504279U CN 211504279 U CN211504279 U CN 211504279U CN 202020284586 U CN202020284586 U CN 202020284586U CN 211504279 U CN211504279 U CN 211504279U
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Abstract
The utility model discloses a gaseous roots flowmeter, including the lumen, the left side in lumen is provided with left chamber, the right side in lumen is provided with right chamber, left side chamber left side is provided with impulse generator, the lumen top is provided with the fastener, the fastener upper end is provided with fixed cover, fixed cover top is provided with the butt joint ring flange, be provided with the gas transmission pipeline body in the middle of the fixed cover, the outside of gas transmission pipeline body is provided with the adapter sleeve, five groups of butt joint screws have been seted up on the butt joint ring flange, the right flank in right side chamber is close to the top and is provided with mechanical display. This gaseous roots flowmeter is provided with fastener, fixed cover, butt joint flange dish and adapter sleeve, through mutually supporting, can be effectively avoid junction gas leakage, has guaranteed the measurement precision, adopts traditional mechanical type count and impulse generator count, thereby avoids leading to the measurement mistake because of mechanical type counter breaks down.
Description
Technical Field
The utility model relates to a gaseous roots flowmeter field specifically is a gaseous roots flowmeter.
Background
The gas roots flowmeter consists of mainly casing, conjugate rotor, counting unit and other parts. A pair of conjugate rotors in the metering chamber are held in correct relative positions by the regulating gear under the action of the pressure difference between the outlet and inlet of the circulating gas. The optimal working clearance is kept among the rotors, the rotors and the shell, and the rotors and the wall plate, so that continuous non-contact sealing is realized. The gas of four times of the effective volume of the metering chamber is output when the rotor rotates for one circle, and the rotation number of the rotor is transmitted to the accumulation indication counter through the magnetic sealing coupling device and the speed reducing mechanism, so that the accumulated volume amount of the output gas is displayed.
Most of connection modes of gas waist wheel flowmeters on the market are complicated, a sealing device is single, fluid leakage is easy to generate, most of metering modes are mechanical, deviation is easy to generate in a mechanical recording method, and the gas waist wheel flowmeters are not convenient to use by users.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gaseous roots flowmeter to solve the gaseous roots flowmeter most of connected modes on the market that proposes in the above-mentioned background are loaded down with trivial details, and sealing device is comparatively single, easily produces the fluid and leaks, and the measuring mode is mechanical type mostly, and the recording method of mechanical type produces the deviation easily, and the person of not being convenient for uses.
In order to achieve the above object, the utility model provides a following technical scheme: a gas waist wheel flowmeter comprises a middle cavity, wherein a left cavity is arranged on the left side of the middle cavity, a right cavity is arranged on the right side of the middle cavity, a pulse generator is arranged on the left side of the left cavity, a fastener is arranged at the top end of the middle cavity, a fixing sleeve is arranged at the upper end of the fastener, a butt joint flange plate is arranged at the top end of the fixing sleeve, a gas transmission pipeline body is arranged in the middle of the fixing sleeve, a connecting sleeve is arranged on the outer side of the gas transmission pipeline body, five groups of butt joint screw holes are formed in the butt joint flange plate, a mechanical display is arranged on the right side surface of the right cavity close to the top end, a sealing layer is arranged on the inner side wall of the left cavity, a window is arranged on the left side wall of the inner part of the left cavity close to the bottom end, an upper clamping nut is arranged on the inner part of, the rotor is provided with the impeller in the middle part, the bearing is installed respectively at both ends about the rotor, install a plurality of groups bearing pressure piece on the bearing, synchronous rotating gear is installed on rotor right side top, synchronous rotating gear right side top is provided with the count and rotates the wheel.
Preferably, a magnetic steel seat is installed on the left side of the lower clamping nut, and a magnet block is arranged in the magnetic steel seat.
Preferably, the bearing pressing sheets are horizontally arranged and are respectively arranged at the upper side and the lower side of the two ends of the rotor.
Preferably, the middle part of the rotor is provided with an impeller, and the peripheral walls of the impeller are contacted with each other.
Preferably, the number of the synchronous rotating gears is two, and the two synchronous rotating gears are respectively installed on the two built-in rotors.
Preferably, a sealing ring is arranged on the inner side wall of the gas transmission pipeline body.
Compared with the prior art, the beneficial effects of the utility model are that: the gas waist wheel flowmeter is provided with the fastening piece, the top end of the fastening piece is provided with the fixing sleeve, the fastening piece is matched with the fixing sleeve for use, the gas pipeline body at the middle position can be effectively fastened in position, the outer side of the gas pipeline body is provided with the connecting sleeve, the stability of the gas pipeline body is further improved, the top end of the fixing sleeve is provided with the butt joint flange plate, when the gas waist wheel flowmeter is used, the gas waist wheel flowmeter can be effectively butted with a conveying pipeline through the butt joint screw hole in the butt joint flange plate, gas leakage caused by poor tightness at the joint can be effectively avoided, and the metering precision;
this gaseous roots flowmeter passes through the rotor and drives the impeller rotation to drive synchronous rotating gear and count rotating gear and rotate, the quick effectual measurement data that demonstrates of mode through the linkage, and install impulse generator on the left of the chamber of a left side, the rotor rotates and drives the magnet piece rotatory, thereby the pulse of production passes through impulse generator and calculates and take notes fluid flow, thereby avoid leading to the measurement error because of mechanical type counter breaks down, the not convenient to use person uses.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is a schematic view of the gas transmission pipeline of the present invention.
In the figure: 1. a middle cavity; 2. a pulse generator; 3. a left lumen; 4. a right lumen; 5. a fastener; 6. fixing a sleeve; 7. butting the flange plates; 8. a gas pipeline body; 9. connecting sleeves; 10. butting screw holes; 11. a mechanical display; 12. a sealing layer; 13. a window; 14. screwing up and tightening the screw cap; 15. screwing down and tightening the screw cap; 16. A rotor; 17. an impeller; 18. pressing a bearing sheet; 19. a bearing; 20. synchronously rotating the gears; 21. the rotating wheel is counted.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a gas waist wheel flowmeter comprises a middle cavity 1, a pulse generator 2, a left cavity 3, a right cavity 4, a fastening piece 5, a fixing sleeve 6, a butt joint flange 7, a gas pipeline body 8, a connecting sleeve 9, a butt joint screw hole 10, a mechanical display 11, a sealing layer 12, an anti-window 13, an upper clamping nut 14, a lower clamping nut 15, a rotor 16, an impeller 17, a bearing pressing sheet 18, a bearing 19, a synchronous rotating gear 20 and a counting rotating wheel 21, wherein the left cavity 3 is arranged on the left side of the middle cavity 1, the right cavity 4 is arranged on the right side of the middle cavity 1, the pulse generator 2 is arranged on the left side of the left cavity 3, the fastening piece 5 is arranged at the top end of the middle cavity 1, the fixing sleeve 6 is arranged at the upper end of the fastening piece 5, the butt joint flange 7 is arranged at the top end of the fixing sleeve 6, the gas pipeline body 8 is arranged in the middle of the fixing sleeve 6, five groups of butt joint screw holes 10 have been seted up on butt joint flange dish 7, the right flank in right side chamber 4 is close to the top and is provided with mechanical display 11, be provided with sealing layer 12 on the 3 inside walls in left side chamber, the inside left side wall in left side chamber 3 is close to the bottom and is provided with window 13, the inside upper end that is close to in left side chamber 3 is provided with and tightens nut 14, the inside lower extreme that is close to in left side chamber 3 is provided with down and tightens nut 15, go up and install rotor 16 respectively on tightening nut 14 and the lower and tightens nut 15, rotor 16 middle part is provided with impeller 17, bearing 19 is installed respectively at both ends about rotor 16, install a plurality of groups bearing disc 18 on the bearing 19, synchronous rotating gear 20 is installed on rotor 16 right side top, synchronous rotating gear 20 right side top is provided with count and rotates
A magnetic steel seat is installed on the left side of the lower clamping nut 15, a magnet block is arranged in the magnetic steel seat and is matched with the pulse generator 2 for use, the generated pulse is calculated and recorded by the pulse generator 2, the deviation generated by a mechanical recording method is avoided, the recording of the flow of the fluid is more accurate, the bearing pressing sheets 18 are horizontally arranged and are respectively arranged on the upper side and the lower side of the rotor 16 to effectively limit the position of the bearing 19, an impeller 17 is arranged in the middle of the rotor 16, and the outer contour of the impeller 17 is 8-shaped; two the periphery wall of impeller 17 contacts each other, and synchronous rotating gear 20 is provided with two altogether, and two synchronous rotating gear 20 install respectively on two built-in rotors 16, are provided with the sealing washer on the inside wall of gas transmission pipeline body 8, avoid gas inflow on the way to take place to leak.
The working principle is as follows: for the gas waist wheel flowmeter, firstly, a fastening piece 5 is arranged, a fixing sleeve 6 is arranged at the top end of the fastening piece 5, the fastening piece 5 is matched with the fixing sleeve 6 for use, the gas pipeline body 8 at the middle position can be effectively fastened in position, a connecting sleeve 9 is arranged on the outer side of the gas pipeline body 8, the stability of the gas pipeline body 8 is further improved, a butt joint flange 7 is arranged at the top end of the fixing sleeve 6, five groups of butt joint screw holes 10 are arranged on the butt joint flange 7, the butt joint of the gas pipeline and the gas pipeline body 8 is convenient, the gas leakage caused by poor tightness at the joint can be effectively avoided, the metering precision is ensured, an upper parallel nut 14 and a lower parallel nut 15 are respectively arranged at the top end of the left side of a rotor 16, a synchronous rotating gear 20 is arranged at the top end of the right side of the rotor 16, and the synchronous rotating gear, the mechanical display 11 arranged on the right side displays numerical values, the metering precision is guaranteed, the rotor 16 drives the impeller 17 to rotate, so that the synchronous rotating gear 20 and the counting rotating wheel 21 in the right cavity 4 are driven to rotate, the rotor 16 is fixed in the middle of the flowmeter through bearings 19 arranged at two ends and matched with bearing pressing sheets 18, metering data are displayed rapidly and effectively in a linkage mode, the pulse generator 2 (model: ZK-PP1) is arranged on the left side of the left cavity 3, the rotor 16 rotates to drive the magnet block to rotate, generated pulses are calculated through the pulse generator 2 and record fluid flow, deviation generated by a mechanical recording method is avoided, and fluid flow recording is more accurate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A gas roots flowmeter, includes lumen (1), its characterized in that: the left side of the middle cavity (1) is provided with a left cavity (3), the right side of the middle cavity (1) is provided with a right cavity (4), the left side of the left cavity (3) is provided with a pulse generator (2), the top end of the middle cavity (1) is provided with a fastener (5), the upper end of the fastener (5) is provided with a fixed sleeve (6), the top end of the fixed sleeve (6) is provided with a butt joint flange (7), the middle of the fixed sleeve (6) is provided with a gas transmission pipeline body (8), the outer side of the gas transmission pipeline body (8) is provided with a connecting sleeve (9), five groups of butt joint screw holes (10) are formed in the butt joint flange (7), the right side surface of the right cavity (4) is provided with a mechanical display (11) close to the top end, a sealing layer (12) is arranged on the inner side wall of the left cavity (3), and, the utility model discloses a rotor, including left side chamber (3), inside and be provided with and tighten nut (14) near the upper end, left side chamber (3) is inside to be close to the lower extreme and is provided with down and tighten nut (15), go up and tighten nut (14) and install rotor (16) down on tightening nut (15) respectively, rotor (16) middle part is provided with impeller (17), bearing (19) are installed respectively at both ends about rotor (16), install a plurality of groups bearing disc (18) on bearing (19), synchronous rotating gear (20) are installed on rotor (16) right side top, synchronous rotating gear (20) right side top is provided with count and rotates wheel (21).
2. A gas roots meter according to claim 1, wherein: and a magnetic steel seat is arranged on the left side of the lower clamping nut (15), and a magnet block is arranged in the magnetic steel seat.
3. A gas roots meter according to claim 1, wherein: the bearing pressing sheets (18) are horizontally arranged and are respectively arranged at the upper side and the lower side of the rotor (16).
4. A gas roots meter according to claim 1, wherein: the peripheral walls of the impellers (17) are in contact with each other.
5. A gas roots meter according to claim 1, wherein: the number of the synchronous rotating gears (20) is two, and the two synchronous rotating gears (20) are respectively arranged on the two built-in rotors (16).
6. A gas roots meter according to claim 1, wherein: and a sealing ring is arranged on the inner side wall of the gas transmission pipeline body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020284586.XU CN211504279U (en) | 2020-03-10 | 2020-03-10 | Gas waist wheel flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020284586.XU CN211504279U (en) | 2020-03-10 | 2020-03-10 | Gas waist wheel flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504279U true CN211504279U (en) | 2020-09-15 |
Family
ID=72402540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020284586.XU Active CN211504279U (en) | 2020-03-10 | 2020-03-10 | Gas waist wheel flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504279U (en) |
-
2020
- 2020-03-10 CN CN202020284586.XU patent/CN211504279U/en active Active
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