CN211042337U - Compact intelligent integrated RC (resistor-capacitor) adjustment type flowmeter - Google Patents
Compact intelligent integrated RC (resistor-capacitor) adjustment type flowmeter Download PDFInfo
- Publication number
- CN211042337U CN211042337U CN201922234224.XU CN201922234224U CN211042337U CN 211042337 U CN211042337 U CN 211042337U CN 201922234224 U CN201922234224 U CN 201922234224U CN 211042337 U CN211042337 U CN 211042337U
- Authority
- CN
- China
- Prior art keywords
- flow tube
- clamping
- centering
- intelligent integrated
- flow
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a compact intelligent integrated RC adjustment type flowmeter, which comprises a flow tube, wherein a throttle plate for throttling the fluid is arranged in the flow tube, a throttle hole convenient for the fluid to pass through is arranged on the throttle plate, two pressure taking tubes communicated with the inside of the flow tube are arranged on the outer peripheral surface of the flow tube, the two pressure taking tubes are respectively positioned at two sides of the throttle plate, and the tail ends of the two pressure taking tubes are provided with a pressure gauge; and the two ends of the flow tube are provided with clamping flanges for clamping and fixing the flow tube and the pipeline to be measured, two end faces of the flow tube, facing the clamping flanges, are respectively and coaxially and fixedly connected with a pair of middle rings, and the end face, facing the throttling piece, corresponding to the clamping flanges, is coaxially and fixedly connected with a centering groove for containing the centering ring. The utility model discloses have the effect of the staff adjustment flowmeter of being convenient for and the measured pipeline centering.
Description
Technical Field
The utility model belongs to the technical field of fluid measurement's technique and specifically relates to a compact intelligence integration RC adjustment type flowmeter is related to.
Background
The flow meter is a device installed between fluid pipelines and used for measuring fluid flow, and the flow meter can be divided into a differential pressure flow meter, an impeller flow meter, an electromagnetic flow meter, an ultrasonic flow meter, a vortex flow meter and the like according to different working principles.
The adjustable flowmeter is a novel differential pressure flowmeter, inherits the advantages of simple structure, safety, reliability and convenient maintenance of the traditional differential pressure flowmeter, is provided with a throttling element in the flowmeter on the basis of the fluid mechanics principle, respectively measures the pressure difference of fluid passing through the throttling element in front of and behind, and calculates the flow rate of the fluid in a pipeline through the Bernoulli equation.
The existing adjustable flowmeter is installed between two sections of pipelines to be measured, and is clamped and fixed through a flange fixedly connected between the pipelines to be measured. However, during the actual installation of the flowmeter, the flowmeter and the flanges on both sides of the flowmeter need to be aligned so that the flowmeter is arranged coaxially with the pipeline to be measured. If the counterpoint is irregular when adjustment type flowmeter installs, can influence the accuracy of getting the pressure on the one hand to influence flow measurement's accuracy, on the other hand adjustment type flowmeter's long-term skew can lead to the inside throttle spare of flow festival to take place to damage, thereby influences the normal work of flowmeter.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a compact intelligence integration RC adjustment type flowmeter, it has the effect of the staff adjustment flowmeter of being convenient for and the measured pipeline centering.
The above utility model discloses an above-mentioned utility model's purpose can be realized through following technical scheme:
a compact intelligent integrated RC (resistance-capacitance) adjusting type flowmeter comprises a flow tube, wherein a throttle plate for throttling fluid is arranged in the flow tube, a throttle hole convenient for the fluid to pass through is formed in the throttle plate, two pressure taking pipes communicated with the interior of the flow tube are arranged on the peripheral surface of the flow tube, the two pressure taking pipes are respectively positioned on two sides of the throttle plate, and a pressure gauge is arranged at the tail end of each pressure taking pipe;
and the two ends of the flow tube are provided with clamping flanges for clamping and fixing the flow tube and the pipeline to be measured, two end faces of the flow tube, facing the clamping flanges, are respectively and coaxially and fixedly connected with a pair of middle rings, and the end face, facing the throttling piece, corresponding to the clamping flanges, is coaxially and fixedly connected with a centering groove for containing the centering ring.
By adopting the technical scheme, when a worker installs the flow tube between the two clamping flanges, the worker firstly adjusts the position of the flow tube, so that the centering ring is clamped into the centering groove, and then screws the bolt and the nut on the clamping flanges, so that the flow tube is coaxially and fixedly connected with the two clamping flanges. The cooperation of centering ring and centering groove has improved the convenience when the staff is with flow tube and centre gripping flange coaxial fixed each other. And the centering ring and the centering groove are mutually clamped, so that the flow tube is clamped on the clamping flange, and the convenience of adjusting the flow tube and enabling the flow tube and the clamping flange to be coaxial during installation is improved. The centering ring and the centering groove are clamped with each other, so that the flow tube can be temporarily fixed on the clamping flange, and convenience of workers in subsequently screwing bolts and fixing the clamping flange is improved.
The present invention may be further configured in a preferred embodiment as: the end face of the centering ring, which is far away from the flow tube, is provided with a chamfer angle which is convenient to be clamped into the centering groove.
By adopting the technical scheme, when the centering ring is inserted into the centering groove, the edge of the centering groove is contacted with the chamfer angle of the centering ring and is guided by the chamfer angle, so that the convenience of inserting the centering ring into the centering groove is improved.
The present invention may be further configured in a preferred embodiment as: the strength of the centering ring is less than the strength of the clamping flange and the strength of the flow tube.
By adopting the technical scheme, after the flow tube is clamped and fixed by the clamping flange, the centering ring is extruded and further deformed and is filled in the centering groove, so that the sealing effect between the centering ring and the centering groove is improved.
The present invention may be further configured in a preferred embodiment as: and a sealing gasket is arranged between the clamping flange and the flow tube, is annular and is sleeved on the peripheral surface of the centering ring.
By adopting the technical scheme, when the flow tubes are mutually fastened by the clamping flange, the sealing gasket is jointly extruded by the clamping flange and the flow tubes and is deformed to be filled between the flow tubes and the clamping flange, so that the sealing property when the flow tubes are connected with the clamping flange is improved.
The present invention may be further configured in a preferred embodiment as: the end face of the flow tube is also provided with a containing groove for containing the sealing gasket, and the depth of the containing groove is smaller than the thickness of the sealing gasket.
Through adopting above-mentioned technical scheme, the setting up of holding tank makes the centre gripping flange when carrying out the centre gripping to flow tube, and the part that the holding tank was not seted up to flow tube's tip can contradict each other with the centre gripping flange, and then makes the pipeline inner peripheral surface more level and smooth, has made things convenient for fluid flow to improve measuring accuracy.
The present invention may be further configured in a preferred embodiment as: the parts of the two pressure sampling pipes close to the flow pipe are sleeved with a protective pipe together.
Through adopting above-mentioned technical scheme, the protection tube can protect the pressure pipe, has improved the stability that compact intelligence integration RC adjustment type flowmeter used.
The present invention may be further configured in a preferred embodiment as: the two clamping flanges are provided with limiting clamps for fixing the protection tubes, and limiting holes matched with the limiting clamps are formed in the corresponding clamping flanges.
Through adopting above-mentioned technical scheme, spacing clamp can follow and pass in the spacing hole to press from both sides the protection tube and establish, thereby restricted the relative rotation between flow tube and the centre gripping flange, improved the convenience of installation.
The present invention may be further configured in a preferred embodiment as: the end of the limiting clamp is provided with an external thread, and the limiting clamp is further provided with a fixing nut matched with the external thread.
Through adopting above-mentioned technical scheme, fixation nut can fix the spacing clamp on two centre gripping flanges to stability when the spacing clamp is spacing to the flow tube has been improved.
To sum up, the utility model discloses a following at least one useful technological effect:
the convenience of centering the compact intelligent integrated RC adjusting type flowmeter with the clamping flange during installation is improved; through mutual clamping of the centering ring and the centering groove, the clamping flange and the flow tube can be positioned coaxially, so that installation of workers is facilitated;
1. through the limit of the limit clamp on the protection tube, the relative rotation of the flow tube and the clamping flange during installation is reduced, the fixing effect is influenced, and the stability of the installation compact intelligent integrated RC adjusting type flowmeter is improved.
Drawings
FIG. 1 is a schematic view of the installation state of a compact intelligent integrated RC adjustment type flowmeter;
FIG. 2 is an exploded view of the flow tube in connection with the clamping flange;
fig. 3 is a schematic diagram of the overall structure of the compact intelligent integrated RC adjustment type flowmeter.
In the figure, 1, a flow tube; 11. a throttle plate; 111. a throttle block; 12. an orifice; 13. a pressure sampling pipe; 14. protecting the tube; 15. a pressure gauge; 16. a centering ring; 2. clamping the flange; 21. centering the groove; 22. a limiting hole; 3. a gasket; 31. accommodating grooves; 4. a limiting clamp; 41. a side post; 42. a bottom pillar; 43. and (5) fixing the nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 3, for the utility model discloses a compact intelligence integration RC adjustment type flowmeter, including flow tube 1, be provided with a throttle plate 11 in the flow tube 1, throttle plate 11 place plane is perpendicular with flow tube 1's central line, offers four on the throttle plate 11 and is used for holding the orifice 12 that the fluid passes through, and throttle plate 11 still is provided with a throttle piece 111 of taper towards the one side of fluid flow direction, and throttle piece 111's bottom surface and throttle plate 11's central point put rigid coupling. Two pressure sampling pipes 13 are further fixedly connected to the outer peripheral surface of the flow pipe 1, the pressure sampling pipes 13 are arranged along the length direction of the flow pipe 1, and the pressure sampling pipes 13 are respectively located on two sides of the throttle plate 11 and are communicated with the interior of the flow pipe 1. The portion of the pressure sampling tube 13 adjacent to the flow tube 1 is also sheathed with a protective tube 14. The two pressure sampling pipes 13 are further fixedly connected with a pressure gauge 15 at the ends far away from the flow pipe 1, and the flow of the fluid is calculated according to the Bernoulli equation by measuring the pressure change of the fluid after passing through the throttle plate 11.
Two ends of the flow tube 1 are respectively provided with a clamping flange 2, the clamping flanges 2 are fixedly connected with the end part of the pipeline to be measured close to the flow tube 1, and bolts and nuts are screwed on the two clamping flanges 2, so that the two clamping flanges 2 are clamped at the two ends of the flow tube 1 and fix the flow tube 1. In order to facilitate installation of workers, the clamping flange 2 and the flow tube 1 are coaxially aligned, a pair of middle rings 16 are further coaxially and fixedly connected to the end portion of the flow tube 1, a centering groove 21 matched with the centering rings 16 is formed in the corresponding clamping flange 2, and the centering groove 21 and the clamping flange 2 are coaxially arranged. When installing the flow tube 1 between the two clamping flanges 2, the worker first adjusts the position of the flow tube 1 so that the centering ring 16 is clamped into the centering groove 21, and then screws the bolts and nuts on the clamping flanges 2, thereby coaxially fixing the flow tube 1 and the clamping flanges 2. The cooperation of the centering ring 16 and the centering groove 21 enhances the convenience of the practitioner in securing the flow tube 1 and the clamping flange 2 coaxially with one another. And because the centering ring 16 blocks the centering groove 21 mutually, the flow tube 1 is temporarily blocked on the clamping flange 2, and the convenience of later-stage workers for penetrating bolts and nuts into the clamping flange 2 is improved. The end surface of the centering ring 16 facing away from the flow tube 1 is provided with a chamfered corner, and when the centering ring 16 is inserted into the centering groove 21, the edge of the centering groove 21 contacts and is guided by the chamfered corner of the centering ring 16, thereby improving the convenience of inserting the centering ring 16 into the centering groove 21. The strength of the centering ring 16 is less than that of the clamping flange 2 and the flow tube 1, and after the clamping flange 2 clamps and fixes the flow tube 1, the centering ring 16 is extruded to deform and fill the centering groove 21, so that the sealing effect between the centering ring 16 and the centering groove 21 is improved.
An annular receiving groove 31 is coaxially formed at each end of flow tube 1, the inner diameter of receiving groove 31 is equal to the outer diameter of centering ring 16, and the outer diameter of receiving groove 31 is equal to the outer diameter of flow tube 1. The containing groove 31 is also provided with a sealing gasket 3 made of rubber, the thickness of the sealing gasket 3 is larger than the depth of the containing groove 31, so that when the sealing gasket 3 is attached to the bottom wall of the containing groove 31, one end of the sealing gasket 3 departing from the flow tube 1 slightly protrudes out of the end surface of the flow tube 1. When the flow tube 1 is clamped and fixed by the clamping flange 2, the end face of the flow tube 1 is attached to the end face of the clamping flange 2, and at the moment, the sealing gasket 3 is extruded together from the clamping flange 2 and the flow tube 1, is deformed and is filled between the flow tube 1 and the clamping flange 2, so that the sealing performance when the flow tube 1 is connected with the clamping flange 2 is improved. The holding groove 31 is arranged so that the holding flange 2 can hold the flow tube 1, and the part of the end part of the flow tube 1, which is not provided with the holding groove 31, can be mutually abutted against the holding flange 2, so that the inner peripheral surface of the pipeline is smoother, and the fluid flow is facilitated, and the measurement accuracy is improved.
Still be provided with between two centre gripping flanges 2 and be used for pressing from both sides and establish protection tube 14 and then restrict flow tube 1 and centre gripping flange 2 relative rotation's spacing clamp 4, spacing clamp 4 includes two side posts 41 that are parallel to each other and perpendicular rigid coupling at the same end of two side posts 41 sill posts 42, spacing clamp 4 overall structure is the U type, interval between two side posts 41 equals the diameter of protection tube 14, all set up the spacing hole 22 that holds side post 41 and pass on corresponding every centre gripping flange 2, the side post 41 has seted up the external screw thread on being close to the outer peripheral face of tip. When the two side posts 41 on the limiting clamp 4 are correspondingly inserted into the limiting holes 22 of the two flanges, the side posts 41 are further in threaded fit with a fixing nut 43, and the bottom post 42 is abutted against the end face of the clamping flange 2 by screwing the fixing nut 43, so that the mutual rotation of the flow tube 1 and the clamping flange 2 is limited by clamping and fixing the protective tube 14 through the two side posts 41, and the stability of the flow tube 1 in fixing is further improved.
The implementation principle of the embodiment is as follows: when an operator installs the compact intelligent integrated RC adjustment type flowmeter, firstly the sealing gasket 3 is sleeved on the peripheral surface of the centering ring 16, then the flowmeter 1 is placed between the two clamping flanges 2, the centering ring 16 is clamped into the centering groove 21, at the moment, the operator can penetrate through the limiting clamp 4 into the limiting hole 22, the protection pipe 14 is positioned between the two side columns 41, and the limiting clamp 4 is fixed on the clamping flanges 2 by screwing the fixing nut 43. The rotation between flow tube 1 and clamping flange 2 has been restricted to spacing clamp 4, and then the staff can wear to establish bolt nut on two clamping flange 2. The two clamping flanges 2 clamp and fix the flow tube 1 by screwing bolts and nuts.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a compact intelligence integration RC adjustment type flowmeter, includes flow tube (1), be provided with throttle plate (11) that are used for carrying out the throttle to the fluid in flow tube (1), offer on throttle plate (11) and be convenient for orifice (12) that the fluid passes through, its characterized in that: the outer peripheral surface of the flow tube (1) is provided with two pressure sampling tubes (13) communicated with the interior of the flow tube (1), the two pressure sampling tubes (13) are respectively positioned at two sides of the throttle plate (11), and the tail ends of the two pressure sampling tubes (13) are provided with a pressure gauge (15) together;
the flow tube is characterized in that clamping flanges (2) used for clamping and fixing the flow tube (1) and a measured pipeline are arranged at two ends of the flow tube (1), a pair of middle rings (16) are respectively and coaxially and fixedly connected to two end faces, facing the clamping flanges (2), of the flow tube (1), and a centering groove (21) used for containing the centering ring (16) is coaxially and fixedly connected to the end face, facing the throttling piece, of the corresponding clamping flange (2).
2. The compact intelligent integrated RC regulated flow meter according to claim 1, wherein: the end face of the centering ring (16) departing from the flow tube (1) is provided with a chamfer angle which is convenient for the centering ring (16) to be clamped into the centering groove (21).
3. The compact intelligent integrated RC regulated flow meter according to claim 2, wherein: the strength of the centering ring (16) is less than the strength of the clamping flange (2) and the strength of the flow tube (1).
4. The compact intelligent integrated RC regulated flow meter according to claim 1, wherein: a sealing gasket (3) is further arranged between the clamping flange (2) and the flow tube (1), and the sealing gasket (3) is annular and is sleeved on the peripheral surface of the centering ring (16).
5. The compact intelligent integrated RC adjusted flow meter according to claim 4, wherein: the end face of the flow tube (1) is also provided with a containing groove (31) for containing the sealing gasket (3), and the depth of the containing groove (31) is smaller than the thickness of the sealing gasket (3).
6. The compact intelligent integrated RC regulated flow meter according to claim 1, wherein: the parts of the two pressure sampling pipes (13) close to the flow pipe (1) are sleeved with a protective pipe (14) together.
7. The compact intelligent integrated RC regulated flow meter according to claim 6, wherein: the two clamping flanges (2) are provided with limiting clamps (4) used for fixing the protection tube (14), and limiting holes (22) matched with the limiting clamps (4) are formed in the corresponding clamping flanges (2).
8. The compact intelligent integrated RC regulated flow meter according to claim 7, wherein: the tail end of the limiting clamp (4) is provided with an external thread, and the limiting clamp (4) is further provided with a fixing nut (43) matched with the external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922234224.XU CN211042337U (en) | 2019-12-12 | 2019-12-12 | Compact intelligent integrated RC (resistor-capacitor) adjustment type flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922234224.XU CN211042337U (en) | 2019-12-12 | 2019-12-12 | Compact intelligent integrated RC (resistor-capacitor) adjustment type flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211042337U true CN211042337U (en) | 2020-07-17 |
Family
ID=71539342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922234224.XU Active CN211042337U (en) | 2019-12-12 | 2019-12-12 | Compact intelligent integrated RC (resistor-capacitor) adjustment type flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211042337U (en) |
-
2019
- 2019-12-12 CN CN201922234224.XU patent/CN211042337U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4523478A (en) | Sonic flow meter having improved flow straighteners | |
| CN211042337U (en) | Compact intelligent integrated RC (resistor-capacitor) adjustment type flowmeter | |
| CN200955969Y (en) | Plug-in sensor for ultrasonic flowmeter | |
| CN210108589U (en) | Connecting device for on-site differential pressure transmitter and special differential pressure transmitter for test | |
| CN214667043U (en) | Fixing device for multi-pipe-diameter ultrasonic flowmeter sensor probe | |
| US6761078B2 (en) | Ultrasonic flowmeter transducer mount | |
| CN216896353U (en) | Be applied to explosion-proof formula LEL on-line monitoring's supporting mechanism | |
| CN207528278U (en) | Bite type ultrasonic flowmeter | |
| CN220251109U (en) | Flow meter traffic detection tool | |
| CN211042338U (en) | High-pressure orifice plate flowmeter | |
| CN208705346U (en) | A kind of current meter measuring staff bracket | |
| CN216695395U (en) | Portable tool for checking fluid pressure | |
| US20030079557A1 (en) | Boltless ultrasonic flowmeter transducer mount | |
| CN206648777U (en) | A kind of pressure buffer device and pressure measuring device | |
| CN218766390U (en) | 90-degree elbow pressure test two-end sealing clamping device | |
| CN212363309U (en) | Gas flow online comparison instrument | |
| CN108645325A (en) | A kind of pipeline straightness check tool | |
| CN218330074U (en) | Controllable metering device for spinning | |
| CN220354744U (en) | Angle-adjustable elbow tee flange adapter | |
| CN213361829U (en) | Portable gas check stick | |
| CN220379474U (en) | Pressure fluid pipeline stress induction monitoring device | |
| CN212409543U (en) | Cable conduit rapid measurement positioning device | |
| CN219912129U (en) | Coated flow conduit | |
| CN220039342U (en) | NPT pipe thread external screw thread cone angle detection measuring tool | |
| CN109029834A (en) | A kind of pressure gauge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |