CN213515807U - Rotor embedding pipeline type flowmeter - Google Patents
Rotor embedding pipeline type flowmeter Download PDFInfo
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- CN213515807U CN213515807U CN202022533520.2U CN202022533520U CN213515807U CN 213515807 U CN213515807 U CN 213515807U CN 202022533520 U CN202022533520 U CN 202022533520U CN 213515807 U CN213515807 U CN 213515807U
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Abstract
The utility model relates to a rotor-embedded pipeline type flowmeter, which comprises a shell, a rotor module, an inductor, an elastic bayonet lock and a shell cover matched with the shell; the rotor module comprises a rotor bracket and a rotor; the rotor bracket is provided with a liquid inlet hole, a rotating shaft and a detection cavity front chamber, and the liquid inlet hole and the rotating shaft for supporting the rotor are arranged on the same rotor bracket to more stably and accurately detect the flow; the shell is provided with an inner cavity capable of accommodating the rotor module and a detection cavity rear chamber, and the rotor module is fixedly embedded in the inner cavity of the shell; the front chamber and the rear chamber of the detection chamber form a detection chamber of the flowmeter; the shell and the shell cover are fixed through an elastic bayonet. The rotor module of the flowmeter is embedded in the inner cavity of the shell, has the characteristics of compact integral structure, accurate and stable performance and the like, and is very suitable for medical instruments, instruments and meters, automatic equipment and small-sized household appliances.
Description
Technical Field
The utility model relates to a flowmeter field, especially a rotor embedding pipeline formula flowmeter.
Background
A flowmeter is a type of meter used to measure fluid flow in a pipe. The existing flowmeter is not suitable for the flow measurement of some medical instruments, electrical appliances and instrument instruments with small volume and space; the shell cover is locked on the shell body by generally adopting screws, so that the generation cost is high, and the appearance is not attractive due to the fact that the screws are usually arranged on one shell body; in addition, among the embedded pipeline formula's of this kind of present rotor flowmeter, on detecting chamber feed liquor hole and rotor and establishing different parts respectively, the condition that measured fluid flow direction and rotor position are inconsistent appears easily during the use, and then leads to the rotation of rotor to reflect measured fluid's flow well for the flowmeter is not accurate unstable to measured fluid.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, provide a rotor embedding pipeline formula flowmeter.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a rotor embedded pipeline type flowmeter comprises a shell, a rotor module, an inductor, an elastic bayonet lock and a shell cover matched with the shell; the rotor module comprises a rotor bracket and a rotor; the rotor bracket is provided with a detection cavity front chamber, a liquid inlet hole and a rotating shaft; the rotating shaft is arranged in the front chamber of the detection cavity; the rotor is arranged on the rotating shaft; the liquid inlet hole is arranged in the tangential direction of the rotation of the rotor and is communicated with the detection cavity and the outer side of the rotor bracket; the inner part of the shell is provided with a rotor module, an inner cavity of the shell cover and a detection cavity rear chamber for the working of the rotor; a liquid outlet connecting pipe is arranged outside the shell; a liquid inlet groove is formed in the shell cover, and a liquid inlet connecting pipe communicated with the liquid inlet groove in parallel is arranged outside the shell cover; the rotor module and the shell cover are sequentially provided with a cavity in the shell body and are fixedly locked by the elastic bayonet lock; a detection cavity for flow detection is formed by a detection cavity front chamber of the rotor support and a detection cavity rear chamber of the shell; a liquid inlet channel is formed by the liquid inlet groove at the inner end of the shell cover and the rotor bracket and communicated with the liquid inlet connecting pipe and the liquid inlet hole in parallel; the sensor is arranged outside the shell and is opposite to the position of the detection cavity.
The liquid inlet hole and the rotating shaft for supporting the rotor are arranged on the same rotor support, the flow detection is more accurate and stable, when the flowmeter works, liquid flows from the liquid inlet connecting pipe of the shell cover to the detection cavity from the liquid inlet hole of the rotor support through the liquid inlet channel, the vortex in the detection cavity pushes the rotor to rotate, and finally the liquid flows out from the liquid outlet connecting pipe of the shell.
In the technical scheme, a shell cover sealing groove is formed in the outer portion of the shell cover, and a first sealing ring is arranged on the shell cover sealing groove and used for sealing between the shell body and the shell cover.
In the above technical scheme, the rotor support is provided with a support sealing step or a sealing groove, and the support sealing step is provided with a second sealing ring.
In the technical scheme, the liquid outlet pipe of the shell extends out of the end face of the shell along the axial direction or the radial direction of the shell and is communicated with the rear chamber of the detection cavity; the liquid inlet pipe of the shell cover extends out from the end face of the shell cover along the axial direction or the radial direction of the shell cover.
In the technical scheme, the shell is provided with a bayonet socket, the shell cover is provided with a bayonet groove, the elastic bayonet comprises a bayonet foot, and the bayonet foot is provided with elastic bayonet teeth; work as the cap inserts when in the casing, the bayonet lock socket with the bayonet lock groove is located same fixed connection position, elasticity bayonet lock warp the bayonet lock socket inserts the bayonet lock groove, the bayonet lock penetrates the bayonet lock groove, bayonet lock groove department be equipped with elasticity latch matched with detains the position tooth's socket, work as elasticity bayonet lock card is gone into behind the bayonet lock groove, elasticity latch is detained and is detained the position tooth's socket.
In the above technical scheme, the rotating shaft and the rotor support can be fixed and embedded into a whole or injection-molded into a whole by a mold.
In the technical scheme, a C-shaped guide groove is arranged between the liquid inlet hole of the rotor support and the front chamber of the detection chamber, a liquid inlet hole process plane is arranged at the joint of the guide groove and the liquid inlet hole, and the die structure of the liquid inlet hole process plane is used for accurately positioning the die forming structure of the liquid inlet hole, so that liquid flowing from the liquid inlet hole to the detection chamber is accurate and stable.
In the above technical scheme, the rotor includes a main rotating body, blades and an induction magnet, the induction magnet is arranged in the main rotating body, the rotor is provided with a rotating shaft hole matched with the rotating shaft, the rotating shaft hole is any one of a blind hole and a through hole, and the rotor rotates around the rotating shaft.
In the technical scheme, when the rotor is a blind hole, one end of the rotating shaft is provided with a spherical head for reducing the contact with the rotor, and the top of the rotor is provided with a spherical bulge for reducing the friction between the rotor and the detection cavity; when the rotor is a through hole, the upper end surface and the lower end surface of the rotor are respectively provided with an upper flange and a lower flange.
In the technical scheme, the rotor is provided with a plurality of blades, and the blades are uniformly distributed in a circumferential manner around the center shaft of the main rotating body.
In the technical scheme, one side of the shell is provided with an inductor installation cavity for installing an inductor, and the inductor comprises a magnetic induction IC, a PCB and a lead-out wire; the inductor is arranged in an inductor mounting cavity on one side of the shell and fixedly connected in the inductor mounting cavity on one side of the shell by using packaging glue; or the inductor consists of a magnetic induction IC, a PCB and a terminal connector and is fixedly arranged in an inductor mounting cavity outside the shell; when the sensor works, the sensor senses the magnetic field change at the position of the sensor, which is generated by the rotation of the rotor, and feeds a generated signal back to an external central processing unit for controlling the pump to work to carry out calculation control.
The utility model has the advantages that: a rotor embedded pipeline type flowmeter comprises a shell, a rotor module, an inductor, an elastic bayonet lock and a shell cover matched with the shell; the rotor module comprises a rotor bracket and a rotor; the rotor bracket is provided with a detection cavity front chamber, a liquid inlet hole and a rotating shaft; the liquid inlet hole and the rotating shaft for supporting the rotor are arranged on the same rotor bracket, so that the flow detection is more accurate and stable; the inner part of the shell is provided with a rotor module, an inner cavity of the shell cover and a detection cavity rear chamber for the working of the rotor; a liquid outlet connecting pipe is arranged outside the shell; the shell cover is provided with a liquid inlet connecting pipe; the rotor module and the shell cover are sequentially provided with a shell inner cavity and are fixedly locked by the elastic bayonet lock; the rotor module of the flowmeter is embedded in the shell, has compact integral structure and small volume, and is more suitable for various medical instruments, instruments and meters and small household appliances.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a flow meter with a rotor embedded in a pipeline according to the present invention.
Fig. 2 is an exploded view of the rotor-embedded pipe flowmeter of the present invention.
Fig. 3 is a first cross-sectional view of the overall structure of a rotor-embedded pipe flowmeter according to the present invention.
Fig. 4 is a sectional view of the overall structure of the rotor-embedded pipeline flowmeter of the present invention.
Fig. 5 is a cross-sectional view of the rotor embedded pipe type flowmeter latch groove after installation.
Fig. 6 is a schematic structural diagram of a rotor module of a rotor-embedded pipeline flowmeter according to the present invention.
Fig. 7 is a schematic view of a rotor module of a rotor-embedded pipeline flowmeter according to the present invention.
Fig. 8 is a cross-sectional view of a rotor module of a flow meter with a rotor embedded in a pipe.
Fig. 9 is a schematic structural diagram of a rotor (blind hole) of a rotor-embedded pipeline type flowmeter according to the present invention.
Fig. 10 is a cross-sectional view of a rotor of a flow meter with a rotor embedded in a pipe (blind hole).
Fig. 11 is a schematic structural diagram of a rotor (through hole) of a pipe-embedded flowmeter according to the present invention.
Fig. 12 is a cross-sectional view of a rotor of a flow meter with a pipe embedded in the rotor.
Fig. 13 is a schematic structural diagram of a rotor support of a rotor-embedded pipeline flowmeter according to the present invention.
Fig. 14 is a schematic structural diagram of a rotor support of a pipe-embedded rotor flowmeter according to the present invention.
Fig. 15 is a schematic structural diagram of a casing of a pipe flowmeter with a rotor embedded therein according to the present invention.
Fig. 16 is a cross-sectional view of a rotor-embedded tubular flowmeter housing according to the present invention.
Fig. 17 is a schematic structural diagram of a casing cover of a pipe flowmeter with a rotor embedded therein according to the present invention.
Fig. 18 is a cross-sectional view of a rotor-embedded tubular flowmeter case cover according to the present invention.
Fig. 19 is a sectional view of a tooth groove at a fastening position of a casing cover of the rotor-embedded pipeline type flowmeter of the present invention.
Fig. 20 is a schematic structural view of the flexible bayonet lock of the flow meter with the rotor embedded in the pipe.
In the figure, 1, a housing; 11. an inner cavity; 12. a detection chamber rear chamber; 13. a bayonet socket; 14 liquid outlet connecting pipe; 15. a sensor mounting cavity; 2. a shell cover; 21. a liquid inlet connecting pipe; 22. a shell cover sealing groove; 23. a latch slot; 24. a liquid inlet tank; 25. buckling tooth grooves; 3. A rotor module; 31. a rotor support; 311. a detection chamber antechamber; 312. a liquid inlet hole; 313. a diversion trench; 314. a liquid inlet hole process plane; 315. a rotor support seal groove; 32. A rotor; 321. a main swivel; 322. a blade; 323. An induction magnet; 324. a rotating shaft hole; 325. a spherical bulge; 326. a lower flange; 327. an upper flange; 33. a rotating shaft; 331. a spherical head; 4. an inductor; 41. leading out the electric wire; 42. packaging glue; 43. a PCB board; 44. sensing the IC; 5. an elastic bayonet lock; 51. clamping a pin; 52. elastic latch; 6. A second seal ring; 7. A first seal ring; 801. a detection chamber; 802. and a liquid inlet channel.
Detailed Description
The present invention will be described in further detail with reference to fig. 1 to 20.
The device comprises a shell 1, a rotor module 3, an inductor 4, an elastic bayonet 5 and a shell cover 2 matched with the shell 1; the rotor module 3 comprises a rotor support 31 and a rotor 32; the rotor bracket 31 is provided with a detection cavity front chamber 311, a liquid inlet hole 312 and a rotating shaft 33; the rotating shaft 33 is arranged in the detection cavity front chamber 311; the rotor 32 is mounted on a rotating shaft 33; the liquid inlet hole 312 is arranged in the tangential direction of the rotation of the rotor 32 and is communicated with the detection cavity front chamber 311 and the outer side of the rotor bracket; the inner part of the shell 2 is provided with a rotor module, an inner cavity 11 of a shell cover and a detection cavity rear chamber 12 for the working of a rotor 32; a liquid outlet connecting pipe 13 is arranged outside the shell 1; a liquid inlet groove 24 is formed in the shell cover 2, and a liquid inlet connecting pipe 21 communicated with the liquid inlet groove 24 is formed outside the shell cover 2; the rotor module 3 and the shell cover 2 are sequentially arranged in a cavity 11 in the shell 1 and are fixedly locked by the elastic card 5; the detection cavity front chamber 311 of the rotor bracket 31 and the detection cavity rear 11 chamber of the housing 1 form a detection cavity 801 for flow detection; the liquid inlet channel 24 at the inner end of the shell cover 2 and the rotor bracket 31 form a liquid inlet channel 802 which is communicated with the liquid inlet connecting pipe 21 and the liquid inlet hole 312; the inductor 4 is arranged outside the shell 1 and is opposite to the position of the detection cavity.
The liquid inlet hole 312 and the rotating shaft 33 for supporting the rotor 32 are arranged on the same rotor bracket 31, so that the flow rate detection is more accurate and stable, when the flowmeter works, liquid flows from the liquid inlet connecting pipe 21 of the shell cover 2 to the detection cavity 801 from the liquid inlet hole 312 of the rotor bracket through the liquid inlet channel 801, the vortex in the detection cavity 801 pushes the rotor 32 to rotate, and finally, the liquid flows out from the liquid outlet connecting pipe 13 of the shell 1.
And a shell cover sealing groove 22 is formed in the outer part of the shell cover 1, and a first sealing ring 7 is arranged on the shell cover sealing groove and used for sealing between the shell body and the shell cover.
The rotor support 31 is provided with a support sealing step 315 or a sealing groove, and the support sealing step 315 is provided with a second sealing ring 6.
The liquid outlet pipe 14 of the shell 1 extends out from the end face of the shell along the axial direction or the radial direction of the shell and is communicated with the detection cavity rear chamber 12; the liquid inlet pipe 21 of the shell cover extends out from the end face of the shell cover along the axial direction or the radial direction of the shell cover.
The shell body 1 is provided with a bayonet socket 13, the shell cover is provided with a bayonet groove 23, the elastic bayonet 5 comprises a bayonet 51, and the bayonet 51 is provided with elastic bayonet teeth 52; when the cap inserts when in the casing, bayonet socket 13 with bayonet groove 23 is located same fixed connection position, elasticity bayonet 5 warp bayonet socket 13 inserts bayonet groove 23, the bayonet 51 penetrates bayonet groove 23, bayonet groove 23 department be equipped with elasticity latch 52 matched with detains position tooth's socket 25, work as elasticity bayonet 5 card is gone into behind bayonet groove 23, elasticity latch 52 detains in detain position tooth's socket 25.
The rotating shaft 33 and the rotor bracket 31 may be fixed and embedded into a whole or injection molded into a whole.
A C-shaped guide groove 313 is arranged between the liquid inlet hole 312 of the rotor support 31 and the detection cavity front chamber 311, a liquid inlet hole process plane 314 is arranged at the joint of the guide groove 313 and the liquid inlet hole 312, and a mold structure of the liquid inlet hole process plane 314 accurately positions a mold molding structure of the liquid inlet hole 312, so that liquid flowing from the liquid inlet hole to the detection cavity is accurately and stably.
The rotor 32 includes a main rotor 321, blades 322 and an induction magnet 323, the induction magnet 323 is disposed in the main rotor 321, the rotor 32 is provided with a rotating shaft hole 324 matching with the rotating shaft 33, the rotating shaft hole 324 is any one of a blind hole and a through hole, and the rotor 32 rotates around the rotating shaft 33.
When the rotor 32 is a blind hole, one end of the rotating shaft 33 is provided with a spherical head 331 for reducing contact with the rotor, and the top of the rotor 32 is provided with a spherical bulge 325 for reducing friction between the rotor and the detection cavity; when the rotor 32 is a through hole, the upper and lower end faces of the rotor are respectively provided with an upper flange 327 and a lower flange 326.
A plurality of blades 322 are arranged on the rotor 32, and the blades 322 are uniformly distributed around the central axis of the main rotating body 321 in a circumferential manner.
Wherein, a sensing cavity installation cavity 15 for installing the sensor 4 is arranged on one side of the shell 1, and the sensor 4 comprises a magnetic induction IC44, a PCB 43 and an outgoing wire 41; the inductor 4 is arranged in an inductor mounting cavity 15 on one side of the shell 1 and is fixedly connected in the inductor mounting cavity of the shell by packaging adhesive 42; or the inductor 4 consists of a magnetic induction IC44, a PCB 43 and a terminal connector and is fixedly arranged in the induction cavity mounting cavity 15 outside the shell 1; when the inductor 4 works, the magnetic field change generated by the rotation of the rotor 4 at the position of the inductor 4 is induced, and the generated signal is fed back to an external central processing unit for controlling the pump to work to carry out calculation control.
The above embodiments are merely illustrative and not restrictive, and all equivalent changes and modifications made by the methods described in the claims are intended to be included within the scope of the present invention.
Claims (10)
1. A rotor embedded pipeline type flowmeter is characterized in that: the device comprises a shell, a rotor module, an inductor, an elastic bayonet and a shell cover matched with the shell; the rotor module comprises a rotor bracket and a rotor; the rotor bracket is provided with a detection cavity front chamber, a liquid inlet hole and a rotating shaft; the rotating shaft is arranged in the front chamber of the detection cavity; the rotor is arranged on the rotating shaft; the liquid inlet hole is arranged in the tangential direction of the rotation of the rotor and is communicated with the detection cavity and the outer side of the rotor bracket; the inner part of the shell is provided with a rotor module, an inner cavity of the shell cover and a detection cavity rear chamber for the working of the rotor; a liquid outlet connecting pipe is arranged outside the shell; a liquid inlet groove is formed in the shell cover, and a liquid inlet connecting pipe communicated with the liquid inlet groove in parallel is arranged outside the shell cover; the rotor module and the shell cover are sequentially provided with a cavity in the shell body and are fixedly locked by the elastic bayonet lock; a detection cavity for flow detection is formed by a detection cavity front chamber of the rotor support and a detection cavity rear chamber of the shell; a liquid inlet channel is formed between the liquid inlet groove in the shell cover and the rotor bracket and is communicated with the liquid inlet connecting pipe and the liquid inlet hole; the sensor is arranged outside the shell and is opposite to the detection cavity;
the liquid inlet hole and the rotating shaft for supporting the rotor are arranged on the same rotor bracket, so that the flow detection is more accurate and stable; when the flowmeter works, liquid flows from the liquid inlet connecting pipe of the shell cover to the detection cavity from the liquid inlet hole of the rotor bracket through the liquid inlet channel, pushes the rotor to rotate in the detection cavity by vortex, and finally flows out of the liquid outlet connecting pipe of the shell.
2. The flowmeter of claim 1, wherein: the shell cover outside be equipped with the shell cover seal groove, be equipped with first sealing washer on the shell cover seal groove and be used for the sealed between casing and the shell cover.
3. The flowmeter of claim 1, wherein: the rotor support is provided with a support sealing step or a sealing groove, and the support sealing step is provided with a second sealing ring.
4. The flowmeter of claim 1, wherein: the liquid outlet pipe of the shell extends out of the end face of the shell along the axial direction or the radial direction of the shell and is communicated with the rear chamber of the detection cavity; the liquid inlet pipe of the shell cover extends out from the end face of the shell cover along the axial direction or the radial direction of the shell cover.
5. The flowmeter of claim 1, wherein: the shell is provided with a bayonet socket, the shell cover is provided with a bayonet groove, the elastic bayonet comprises a bayonet foot, and the bayonet foot is provided with elastic bayonet teeth; work as the cap inserts when in the casing, the bayonet lock socket with the bayonet lock groove is located same fixed connection position, elasticity bayonet lock warp the bayonet lock socket inserts the bayonet lock groove, the bayonet lock penetrates the bayonet lock groove, bayonet lock groove department be equipped with elasticity latch matched with detains the position tooth's socket, work as elasticity bayonet lock card is gone into behind the bayonet lock groove, elasticity latch is detained and is detained the position tooth's socket.
6. The flowmeter of claim 1, wherein: the rotating shaft and the rotor bracket can be fixed and embedded into a whole or injection-molded into a whole.
7. The flowmeter of claim 1, wherein: a C-shaped guide groove is arranged between a liquid inlet hole of the rotor support and the front chamber of the detection cavity, a liquid inlet hole process plane is arranged at the joint of the guide groove and the liquid inlet hole, and a die structure of the liquid inlet hole process plane accurately positions a die forming structure of the liquid inlet hole, so that liquid flowing from the liquid inlet hole to the detection cavity is accurately and stably.
8. The flowmeter of claim 1, wherein: the rotor comprises a main rotating body, blades and an induction magnet, the induction magnet is arranged in the main rotating body, a rotating shaft hole matched with the rotating shaft is formed in the rotor, the rotating shaft hole is any one of a blind hole and a through hole, and the rotor rotates around the rotating shaft; the rotor is provided with a plurality of blades which are uniformly distributed in a circumferential manner around a middle shaft of the main rotating body.
9. The flowmeter of claim 8, wherein: when the rotor is a blind hole, one end of the rotating shaft is provided with a spherical head for reducing the contact with the rotor, and the top of the rotor is provided with a spherical bulge for reducing the friction between the rotor and the detection cavity; when the rotor is a through hole, the upper end surface and the lower end surface of the rotor are respectively provided with an upper flange and a lower flange.
10. The flowmeter of claim 1, wherein: an inductor installation cavity for installing an inductor is arranged on one side of the shell, and the inductor comprises a magnetic induction IC, a PCB and a lead-out wire; the inductor is arranged in the inductor mounting cavity on one side of the shell and fixedly connected with the inductor mounting cavity on one side of the shell by using packaging glue; or the inductor consists of a magnetic induction IC, a PCB and a terminal connector and is fixedly arranged in an inductor mounting cavity outside the shell; when the sensor works, the sensor senses the magnetic field change at the position of the sensor, which is generated by the rotation of the rotor, and feeds a generated signal back to an external central processing unit for controlling the pump to work to carry out calculation control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022533520.2U CN213515807U (en) | 2020-11-05 | 2020-11-05 | Rotor embedding pipeline type flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022533520.2U CN213515807U (en) | 2020-11-05 | 2020-11-05 | Rotor embedding pipeline type flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213515807U true CN213515807U (en) | 2021-06-22 |
Family
ID=76421612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022533520.2U Active CN213515807U (en) | 2020-11-05 | 2020-11-05 | Rotor embedding pipeline type flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213515807U (en) |
-
2020
- 2020-11-05 CN CN202022533520.2U patent/CN213515807U/en active Active
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