CN208564958U - A kind of high-pressure magnetic driving gear pump - Google Patents

A kind of high-pressure magnetic driving gear pump Download PDF

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Publication number
CN208564958U
CN208564958U CN201821054261.1U CN201821054261U CN208564958U CN 208564958 U CN208564958 U CN 208564958U CN 201821054261 U CN201821054261 U CN 201821054261U CN 208564958 U CN208564958 U CN 208564958U
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CN
China
Prior art keywords
front cover
gear
rotor
driving gear
gear pump
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
Application number
CN201821054261.1U
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Chinese (zh)
Inventor
周建平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Eric Pump Valve Co Ltd
Original Assignee
Nanjing Eric Pump Valve Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Eric Pump Valve Co Ltd filed Critical Nanjing Eric Pump Valve Co Ltd
Priority to CN201821054261.1U priority Critical patent/CN208564958U/en
Application granted granted Critical
Publication of CN208564958U publication Critical patent/CN208564958U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of high-pressure magnetic driving gear pump, including motor, fixing sleeve, connector sleeve, Nd-Fe-B permanent magnet, internal rotor, rotor cap, polytetrafluoroethylsealed sealed circle, front cover, driving gear, driven gear, the pump housing and rear cover;The high-pressure magnetic driving gear pump front cover and rear cover of the utility model increase compensating groove design, improve the working performance and service life of gear pump.Compensating groove can eliminate the tired liquid phenomenon of gear pump, guarantee the even running of gear pump;Delivery high-pressure simultaneously, high pressure-bearing, small flow and fluid pulsation is minimum when can provide pressure, it is chronically at high pressure operation, the gear pump service life is reliable, perfectly solves the common problem of high pressure operation gear pump shaft end leakage, while mating brush direct current motor with the structure design of magnetic driver, overall cost is lower and motor performance is reliable, and can meet requirement of the client to product high-quality and low cost.

Description

A kind of high-pressure magnetic driving gear pump
Technical field
The utility model relates to a kind of high-pressure magnetics to drive gear pump.
Background technique
When the medium of the driving gear pump driven of the prior art is water, pressure is inadequate, and fluid pulsation when discharge pressure It is excessive, stable continuous can not be provided.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides a kind of high-pressure magnetic driving gear pump.
Technical solution provided by the utility model are as follows:
A kind of high-pressure magnetic drives gear pump, including motor, fixing sleeve, connector sleeve, Nd-Fe-B permanent magnet, internal rotor, turns Sub- cover, polytetrafluoroethylsealed sealed circle, front cover, driving gear, driven gear, the pump housing and rear cover;
The rotor of the motor is fixedly connected with the connector sleeve, and the end of the connector sleeve includes for configuring described turn The groove of son cover, configures the Nd-Fe-B permanent magnet on the inner wall of the groove for configuring the rotor cap, the rotor cap is matched It is placed in the connector sleeve, and the rotor cap is not in contact with each other with the connector sleeve;The fixing sleeve is configured at the motor Between the outside and front cover of rotor side, the fixing sleeve is through slot structure, the fixing sleeve guarantee the connector sleeve with it is described Rotor cap and front cover are not in contact with each other;
The internal rotor is permanent magnet material, and the internal rotor is rotationally configured in the rotor cap, the rotor cap It is configured at the end of the front cover, the part that the rotor cap connects with the front cover passes through the polytetrafluoroethylsealed sealed circle sealing;Institute Driving gear is stated to be configured in shaft, the shaft is configured on the internal rotor, and the driving gear be configured at it is described before The other end opposite with the internal rotor outside lid, the driven gear is engaged with the driving gear, on the pump housing Including criss-cross through slot, two opposite groove portions of the criss-cross through slot are for configuring the driving gear and driven tooth Wheel;The driven gear, driving gear and the pump housing are closed between the rear cover and front cover by the rear cover, described criss-cross Other two opposite groove portion of through slot is opposite with the inlet opening of the front cover and fluid hole;The front cover is chamber structure, described The chamber two sides of front cover respectively include the liquid-inlet and liquid outlet of relative configuration;
On the front cover, the compensating groove configured with the shaft axis hole for connecting the driving gear and driven gear, institute State the shaft axis hole of driving gear and driven gear and the chamber of the front cover.
Preferably, the edge of the rotor cap includes outside extension, includes groove, institute on the end face of the front cover Extension is stated to be configured in the groove by the polytetrafluoroethylsealed sealed circle.
Preferably, the extension is fixed on the end face of the front cover by pressing plate.
Preferably, the driving gear and driven gear are spur gear.
Preferably, the material of the front cover, the pump housing and rear cover is the stainless steel handled by low temperature carburization.
Preferably, it covers after described, configured with the shaft axis hole for connecting the driving gear and driven gear Compensating groove.
The utility model has the beneficial effects that
The high-pressure magnetic driving gear pump front cover and rear cover of the utility model increase compensating groove design, improve gear pump Working performance and service life.Compensating groove can eliminate the tired liquid phenomenon of gear pump, guarantee the even running of gear pump;Simultaneously Delivery high-pressure, high pressure-bearing, small flow and fluid pulsation is minimum when can provide pressure are chronically at high pressure operation, The gear pump service life is reliable, perfectly solves high pressure operation gear pump shaft end with the structure design of magnetic driver and lets out The common problem of leakage, while mating brush direct current motor, overall cost is lower and motor performance is reliable, and can meet client to production The requirement of product high-quality and low cost.
Detailed description of the invention
Fig. 1 is that the high-pressure magnetic of the utility model drives the structural schematic diagram of gear pump;
Fig. 2 is that the high-pressure magnetic of the utility model drives the decomposition texture schematic diagram of gear pump;
Fig. 3 is the partial enlargement diagram that the high-pressure magnetic of the utility model drives the compensating groove of gear pump;
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, as depicted in figs. 1 and 2, a kind of high-pressure magnetic driving Gear pump, including motor 1, fixing sleeve 2, connector sleeve 3, Nd-Fe-B permanent magnet 4, internal rotor 5, rotor cap 6, it is polytetrafluoroethylsealed sealed circle 7, it is preceding Lid 8, driving gear 9, driven gear 10, the pump housing 11 and rear cover 12;
The rotor of the motor 1 is fixedly connected with the connector sleeve 3, and the end of the connector sleeve 3 includes for configuring The groove for stating rotor cap 6 configures the Nd-Fe-B permanent magnet 4 on the inner wall of the groove for configuring the rotor cap 6, described Rotor cap 6 is configured in the connector sleeve 3, and the rotor cap 6 is not in contact with each other with the connector sleeve 3;The fixing sleeve 2 configures Between the outside and front cover 8 of the rotor side of the motor 1, the fixing sleeve 2 is through slot structure, and the fixing sleeve 2 guarantees The connector sleeve 3 is not in contact with each other with the rotor cap 6 and front cover 8;
The internal rotor 5 is permanent magnet material, and the internal rotor 5 is rotationally configured in the rotor cap 6, the rotor Cover 6 is configured at the end of the front cover 8, and the part that the rotor cap 6 connects with the front cover 8 is close by the polytetrafluoroethylsealed sealed circle Envelope 7;Specifically, the edge of the rotor cap 6 includes outside extension, includes groove on the end face of the front cover 8, described to prolong Extending portion is configured in the groove by the polytetrafluoroethylsealed sealed circle 7, and the extension is fixed on the front cover 8 by pressing plate 13 On end face, the fixing sleeve 2 is configured on the pressing plate 13.
The driving gear 9 is configured in shaft, and the shaft is configured on the internal rotor 5, and the driving gear 9 The other end opposite with the internal rotor 6 being configured at outside the front cover 8, the driven gear 10 and the driving gear 9 engage, and include criss-cross through slot 14 on the pump housing 11, two opposite groove portions of the criss-cross through slot 14 are for matching Set the driving gear 9 and driven gear 10;The rear cover 12 closes the driven gear 10, driving gear 9 and the pump housing 11 Between the rear cover 12 and front cover 8, the feed liquor of described criss-cross through slot 14 other two opposite groove portion and the front cover 8 Hole 15 and fluid hole 16 are opposite;The front cover 8 is chamber structure, and the chamber two sides of the front cover 8 respectively include relative configuration Liquid-inlet 17 and liquid outlet;
On the front cover 8, the compensating groove configured with the shaft axis hole for connecting the driving gear 9 and driven gear 10 18, the chamber of the shaft axis hole and the front cover 8 of the driving gear 9 and driven gear 10;On the rear cover 12, Compensating groove configured with the shaft axis hole for connecting the driving gear and driven gear.The driving gear and driven gear are straight Gear.The material of the front cover, the pump housing and rear cover is the stainless steel handled by low temperature carburization.
At work, the rotation of motor 1 drives the connector sleeve 3 to rotate, the Nd-Fe-B permanent magnet in the connector sleeve 3 4 rotations, so that the internal rotor 5 be driven to rotate, the internal rotor 5 drives driving gear 9 to rotate by shaft, using connector sleeve The mutual magnetic coupling of eight permanent magnet poles of eight 4 magnetic poles of Nd-Fe-B permanent magnet and internal rotor on 3 drives magnet ring Reasonable clearance between internal rotor;Driving gear 9 drives driven gear 10 to turn in the criss-cross through slot 14 in the pump housing 11 Dynamic, the space for the side that is out of gear is changed from small to big, and side vacuum is formed, to draw liquid into pump;The space of gear engagement side From large to small, liquid is squeezed out to and is formed certain pressure, the exit pressure levels of gear pump, depending on the resistance at gear pump outlet Size;And at vacuum it is other two opposite groove portion of the criss-cross through slot 14, the inlet opening of they and the front cover 8 15 and fluid hole 16 it is opposite, such liquid enters in the pump housing 8 from liquid-inlet 17, and passes through inlet opening 15, criss-cross through slot 14, fluid hole 16 is finally flowed out from liquid outlet, the institute in criss-cross the through slot 14 simultaneously because needs of motor 1 run at high speed It states and might have tired liquid between driving gear 9 and driven gear 10, when there is tired liquid, tired liquid is compressed in compensating groove 18, So water or grease are squeezed back in the chamber of front cover 8 by compensating groove 18, so guarantees that criss-cross through slot 14 does not have Tired liquid, simultaneously because untired liquid ensure that the case where continuity when operating will not generate pulsation.

Claims (6)

1. a kind of high-pressure magnetic drives gear pump, it is characterised in that:
Including motor, fixing sleeve, connector sleeve, Nd-Fe-B permanent magnet, internal rotor, rotor cap, polytetrafluoroethylsealed sealed circle, front cover, driving tooth Wheel, driven gear, the pump housing and rear cover;
The rotor of the motor is fixedly connected with the connector sleeve, and the end of the connector sleeve includes for configuring the rotor cap Groove, configure the Nd-Fe-B permanent magnet on the inner wall of the groove for configuring the rotor cap, the rotor cap is configured at In the connector sleeve, and the rotor cap is not in contact with each other with the connector sleeve;The fixing sleeve is configured at the rotor of the motor Between the outside and front cover of side, the fixing sleeve is through slot structure, and the fixing sleeve guarantees the connector sleeve and the rotor Cover and front cover are not in contact with each other;
The internal rotor is permanent magnet material, and the internal rotor is rotationally configured in the rotor cap, the rotor cap configuration In the end of the front cover, the part that the rotor cap connects with the front cover passes through the polytetrafluoroethylsealed sealed circle sealing;The master Moving gear is configured in shaft, and the shaft is configured on the internal rotor, and the driving gear is configured at outside the front cover The other end opposite with the internal rotor in portion, the driven gear are engaged with the driving gear, include on the pump housing Criss-cross through slot, two opposite groove portions of the criss-cross through slot are for configuring the driving gear and driven gear; The driven gear, driving gear and the pump housing are closed between the rear cover and front cover by the rear cover, described criss-cross logical Other two opposite groove portion of slot is opposite with the inlet opening of the front cover and fluid hole;The front cover is chamber structure, before described The chamber two sides of lid respectively include the liquid-inlet and liquid outlet of relative configuration;
On the front cover, the compensating groove configured with the shaft axis hole for connecting the driving gear and driven gear, the master The chamber of the shaft axis hole of moving gear and driven gear and the front cover.
2. high-pressure magnetic according to claim 1 drives gear pump, it is characterised in that:
The edge of the rotor cap includes outside extension, includes groove on the end face of the front cover, the extension passes through The polytetrafluoroethylsealed sealed circle is configured in the groove.
3. high-pressure magnetic according to claim 2 drives gear pump, it is characterised in that:
The extension is fixed on the end face of the front cover by pressing plate.
4. high-pressure magnetic according to claim 1 drives gear pump, it is characterised in that:
The driving gear and driven gear are spur gear.
5. high-pressure magnetic according to claim 1 drives gear pump, it is characterised in that:
The material of the front cover, the pump housing and rear cover is the stainless steel handled by low temperature carburization.
6. high-pressure magnetic according to claim 1 drives gear pump, it is characterised in that:
It covers after described, the compensating groove configured with the shaft axis hole for connecting the driving gear and driven gear.
CN201821054261.1U 2018-07-04 2018-07-04 A kind of high-pressure magnetic driving gear pump Expired - Fee Related CN208564958U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821054261.1U CN208564958U (en) 2018-07-04 2018-07-04 A kind of high-pressure magnetic driving gear pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821054261.1U CN208564958U (en) 2018-07-04 2018-07-04 A kind of high-pressure magnetic driving gear pump

Publications (1)

Publication Number Publication Date
CN208564958U true CN208564958U (en) 2019-03-01

Family

ID=65491068

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821054261.1U Expired - Fee Related CN208564958U (en) 2018-07-04 2018-07-04 A kind of high-pressure magnetic driving gear pump

Country Status (1)

Country Link
CN (1) CN208564958U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110761997A (en) * 2019-10-28 2020-02-07 无锡博伊特科技股份有限公司 Micro-magnetic gear circulating pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110761997A (en) * 2019-10-28 2020-02-07 无锡博伊特科技股份有限公司 Micro-magnetic gear circulating pump
CN110761997B (en) * 2019-10-28 2024-05-03 无锡博伊特科技股份有限公司 Micro magnetic gear circulating pump

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190301

Termination date: 20210704

CF01 Termination of patent right due to non-payment of annual fee