CN204205759U - Rotor axle sleeve - Google Patents

Rotor axle sleeve Download PDF

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Publication number
CN204205759U
CN204205759U CN201420711419.3U CN201420711419U CN204205759U CN 204205759 U CN204205759 U CN 204205759U CN 201420711419 U CN201420711419 U CN 201420711419U CN 204205759 U CN204205759 U CN 204205759U
Authority
CN
China
Prior art keywords
axle sleeve
commutator
positive stop
stop spring
spring plate
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
CN201420711419.3U
Other languages
Chinese (zh)
Inventor
徐华杰
章志钢
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.)
NINGBO RUNZE ELECTRIC Co Ltd
Original Assignee
NINGBO RUNZE ELECTRIC 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 NINGBO RUNZE ELECTRIC Co Ltd filed Critical NINGBO RUNZE ELECTRIC Co Ltd
Priority to CN201420711419.3U priority Critical patent/CN204205759U/en
Application granted granted Critical
Publication of CN204205759U publication Critical patent/CN204205759U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of rotor axle sleeve, comprise motor shaft, on described motor shaft, cover has the axle sleeve of hollow cylindrical, axle sleeve is provided with commutator, axle sleeve is provided with some positive stop spring plates with the junction of commutator, commutator inner cylinder face is provided with the stopper slot coordinated with positive stop spring plate, positive stop spring plate is V-shaped on axle sleeve axial cross section, V-arrangement opening direction is towards the cylindrical outer surface of axle sleeve, the corresponding commutator side of positive stop spring plate and the angle angle that axle sleeve cylindrical outer surface is formed are less than the angle angle that the corresponding commutator opposite side of positive stop spring plate and axle sleeve cylindrical outer surface are formed.The purpose of this utility model is to provide a kind of rotor axle sleeve, commutator can be more stably closely connected with axle sleeve when rotor rotates, in axle sleeve axis or slippage can not be produced in the radial direction, and realizing the dismounting facilitating axle sleeve and commutator, meet the periodic cleaning of commutator.

Description

Rotor axle sleeve
Technical field
The utility model relates to a kind of axle sleeve, and more particularly, it relates to a kind of rotor axle sleeve.
Background technology
RO pump also claims RO booster pump, RO membrane pump, reverse osmosis booster pump, is the one of DC diaphragm booster pump.The English name of RO pump is Reverse Osmosis diaphragm Pump, and complete Chinese is meant to reverse osmosis (reverse osmosis) diaphragm booster pump.
The design of RO pump head inner structure mainly contains; Fetch water bracket component etc. in hyperbaric chamber, pumping chamber, valve gap, water feeding one-way valve door, water outlet one-way cock, diaphragm, cam.RO pump direct current machine is as Power Drive Unit, the rear motor rotor that switches on power rotates, drive bias to wave wheel and do eccentric motion, be converted into again to wave with bias and take turns three cams being linked as closely one bracket component of fetching water and move reciprocatingly, drive diaphragm to move reciprocatingly simultaneously, valve gap is produced toward relapsing crowded phenomenon.
Motor rotor shaft is that a kind of being used in rotor is enclosed within axle and the axle sleeve be connected with iron core, commutator, impeller.At present, market upper rotor part axle there are two kinds of modes with the connected mode of iron core, commutator, impeller, first is direct connection, although this connected mode advantage of lower cost, locate just cumbersome, so, had the second connected mode---connected by axle sleeve, this axle sleeve has multidiameter, can armature spindle and iron core, commutator, impeller size determine the diameter of axle sleeve, this axle sleeve location is convenient, good stability.
In direct current machine, have multiple commutator, the effect of commutator coordinates brush to commutate (being equivalent to commutator) to electric current.The groove of commutator is insulation, if plugged by the powder of carbon brush, the powder of carbon brush is conduction, it just the commutator on reversing groove both sides to short circuit, and in formation loop, gap; What have can not play the role of changing, and motor power consumption can be made to increase, and output torque reduces, so want periodic cleaning.
Chinese Patent Application No. 201420007422.7 open a kind of " rotor axle sleeve ", comprise motor shaft, on motor shaft, cover has the axle sleeve of hollow cylindrical, axle sleeve is arranged with commutator, the junction of axle sleeve and commutator is provided with key, described commutator inner cylinder face is provided with the keyway matched with it, and described key is irregular distribution at the cylindrical outer surface of axle sleeve, and is evenly distributed to circumferencial direction at axle sleeve." the rotor axle sleeve " of this utility model, commutator can be more stably closely connected with axle sleeve when rotor rotates, can not slide, and the distribution of keyway and key arranges and can make its uniform force, reduces the requirement of the strength of materials to key.But it is convenient not that " the rotor axle sleeve " of this utility model mounts and dismounts process, may cause damage, affect useful life to commutator and axle sleeve.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of rotor axle sleeve, realizes the dismounting facilitating axle sleeve and commutator, meets the periodic cleaning of commutator.
For achieving the above object, the utility model provides following technical scheme: a kind of rotor axle sleeve, comprise motor shaft, on motor shaft, cover has the axle sleeve of hollow cylindrical, axle sleeve is provided with commutator, axle sleeve is provided with some positive stop spring plates with the junction of commutator, commutator inner cylinder face is provided with the stopper slot coordinated with positive stop spring plate, positive stop spring plate is V-shaped on axle sleeve axial cross section, V-arrangement opening direction is towards the cylindrical outer surface of axle sleeve, the corresponding commutator side of positive stop spring plate and the angle angle that axle sleeve cylindrical outer surface is formed are less than the angle angle that the corresponding commutator opposite side of positive stop spring plate and axle sleeve cylindrical outer surface are formed.
By adopting technique scheme, on axle sleeve, corresponding commutator side is provided with some positive stop spring plates, commutator is provided with the stopper slot coordinated with positive stop spring plate, when axle sleeve is connected with commutator, axle sleeve is inserted the cavity of commutator, positive stop spring plate blocks stopper slot, axle sleeve is fixed in position axially and in the radial direction, when rotor high speed rotating, axle sleeve is in axis and can not produce slip in the radial direction, stability is better, positive stop spring plate is V-shaped on the axial cross section of axle sleeve, and the angle of corresponding commutator side is little, the positive stop spring plate gradient is more level and smooth, axle sleeve is made to assign into more laborsaving when commutator cavity, convenient, the opposite side angle of corresponding commutator is large, the positive stop spring plate gradient is larger, make the connection of axle sleeve and commutator more firm, axle sleeve is not easily separated with commutator, to be separated commutator and axle sleeve, only need with energetically axle sleeve being extracted from commutator, realize the dismounting of axle sleeve and commutator, meet the periodic cleaning to commutator.
The utility model is set to further: described some positive stop spring plates are divided into two groups, two groups of positive stop spring plates axle sleeve cylindrical outer surface along the circumferential direction level be interspersed, one group of positive stop spring plate is arranged near commutator, and one group of positive stop spring plate is arranged away from commutator.
By adopting technique scheme, two groups of positive stop spring plates are interspersed in the cylindrical outer surface level of axle sleeve, the stressed more even of each positive stop spring plate can be made, the positive stop spring plate of same group can bear the power in larger radial direction, grouping is arranged can bear larger power axially, makes the connection of axle sleeve and commutator more firm.
The utility model is set to further: described stopper slot is V-shaped on commutator axial cross section, and positive stop spring plate can be bonded to each other with stopper slot.
By adopting technique scheme, the stopper slot of V-arrangement is arranged, and can make two of stopper slot sidewalls and the complete laminating of positive stop spring plate, make its structural strength higher, axle sleeve is connected more firm with commutator.
The utility model is set to further: described positive stop spring plate is 7, and corresponding stopper slot is also 7, and positive stop spring plate is 4 near commutator side, and positive stop spring plate is 3 away from commutator side.
By adopting technique scheme, jolt if receive when axle sleeve is connected with commutator, positive stop spring plate damping can be passed through, positive stop spring plate near commutator side is 4, because it is longer at the axial distance of axle sleeve, that jolts is more severe, and quantity is many can well be distributed equally suffered power, and damping effect is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model reverse osmosis booster pump;
Fig. 2 is the axle sleeve structure schematic diagram of the utility model rotor axle sleeve embodiment;
Fig. 3 is the end view of the axle sleeve of the utility model rotor axle sleeve embodiment;
Fig. 4 is the vertical view of the axle sleeve of the utility model rotor axle sleeve embodiment;
Fig. 5 is the front view of the axle sleeve of the utility model rotor axle sleeve embodiment;
Fig. 6 is the commutator structural representation of the utility model rotor axle sleeve embodiment.
Accompanying drawing marks: 1, axle sleeve; 2, motor axis hole; 3, positive stop spring plate; 4, commutator; 5, stopper slot; 6, motor.
Embodiment
Referring to figs. 1 through Fig. 6, the utility model rotor axle sleeve embodiment is described further.
As shown in Figures 1 to 6, a kind of rotor axle sleeve 1, comprises motor shaft, and the axle sleeve 1 of hollow cylindrical is set on motor 6 axle by motor axis hole 2, and axle sleeve 1 and motor shaft are even fixedly connected with by epoxy glue.When axle sleeve 1 works, commutator 4, iron core and impeller need be connected, axle sleeve 1 is provided with some positive stop spring plates 3 with the junction of commutator 4, commutator 4 inner cylinder face is provided with some stopper slots 5 coordinated with positive stop spring plate 3, positive stop spring plate 3 protrude axle sleeve 1 cylindrical outer surface arrange, stopper slot 5 cave in commutator 4 inner periphery arrange.Positive stop spring plate 3 is V-shaped on axle sleeve 1 axial cross section, and stopper slot 5 is V-shaped on commutator 4 axial cross section.The opening direction of positive stop spring plate 3 is towards the cylindrical outer surface of axle sleeve 1, and the opening direction of stopper slot 5 is towards the cylindrical outer surface of axle sleeve 1.Positive stop spring plate 3 forms two acute angles with the cylindrical outer surface of axle sleeve 1, and the acute angle near commutator 4 side is less than the acute angle away from commutator 4 side.When axle sleeve 1 is connected with commutator 4, axle sleeve 1 to be inserted in commutator 4 in cylindrical cavity, commutator 4 contacts positive stop spring plate 3, makes positive stop spring plate 3 that deformation occur, and what make axle sleeve 1 smoothness enters cylindrical cavity in commutator 4, to a certain extent, positive stop spring plate 3 blocks stopper slot 5, and axle sleeve 1 is fixed, when rotor high speed rotating in position axially and in the radial direction, axle sleeve 1 is in axis and can not produce slip in the radial direction, and stability is better.Positive stop spring plate 3 is V-shaped on the axial cross section of axle sleeve 1, angle near commutator 4 side is little, positive stop spring plate 3 gradient is more level and smooth, axle sleeve 1 is made to assign into more laborsaving when commutator 4 cavity, convenient, angle away from commutator 4 side is large, positive stop spring plate 3 gradient is larger, make the connection of axle sleeve 1 and commutator 4 more firm, axle sleeve 1 is not easily separated with commutator 4, to be separated commutator 4 and axle sleeve 1, only with being extracted from commutator 4 by axle sleeve 1 energetically, the dismounting of axle sleeve 1 and commutator 4 need be realized, meeting the periodic cleaning to commutator 4.
Preferably, some positive stop spring plates 3 are divided into two groups, two groups of positive stop spring plates 3 axle sleeve 1 cylindrical outer surface along the circumferential direction level be interspersed, one group of positive stop spring plate 3 is arranged near commutator 4, and one group of positive stop spring plate 3 is arranged away from commutator 4.Two groups of positive stop spring plates 3 are interspersed in the cylindrical outer surface level of axle sleeve 1, the stressed more even of each positive stop spring plate 3 can be made, the positive stop spring plate 3 of same group can be suffered in uniform distribution radial direction power, the active force in larger radial direction can be born, arranging of positive stop spring plate 3 of grouping can bear larger power axially, makes the connection of axle sleeve 1 and commutator 4 more firm.
Preferably, stopper slot 5 is V-shaped on commutator 4 axial cross section, and positive stop spring plate 3 can be bonded to each other with stopper slot 5.The stopper slot 5 of V-arrangement is arranged, and can make two of stopper slot 5 sidewalls and the complete laminating of positive stop spring plate 3, make its structural strength higher, axle sleeve 1 is connected more firm with commutator 4.
Preferably, positive stop spring plate 3 is 7, and corresponding stopper slot 5 is also 7, and positive stop spring plate 3 is 4 near commutator 4 side, and positive stop spring plate 3 is 3 away from commutator 4 side.If axle sleeve 1 receives when being connected with commutator 4 and jolts, positive stop spring plate 3 damping can be passed through, positive stop spring plate 3 near commutator 4 side is 4, because it is longer at the axial distance of axle sleeve 1, that jolts is more severe, positive stop spring plate 3 quantity is many can well be distributed equally suffered power, and damping effect is better.
The above is only preferred implementation of the present utility model; but be not limited thereto; those of ordinary skill in the art; very easily according to above-described embodiment; understand spirit of the present utility model; and make different amplifications and change, but only otherwise depart from spirit of the present utility model, all in protection range of the present utility model.

Claims (4)

1. a rotor axle sleeve, comprise motor shaft, on described motor shaft, cover has the axle sleeve of hollow cylindrical, described axle sleeve is provided with commutator, it is characterized in that: described axle sleeve is provided with some positive stop spring plates with the junction of commutator, described commutator inner cylinder face is provided with the stopper slot coordinated with positive stop spring plate, described positive stop spring plate is V-shaped on axle sleeve axial cross section, V-arrangement opening direction is towards the cylindrical outer surface of axle sleeve, the corresponding commutator side of positive stop spring plate and the angle angle that axle sleeve cylindrical outer surface is formed are less than the angle angle that the corresponding commutator opposite side of positive stop spring plate and axle sleeve cylindrical outer surface are formed.
2. rotor axle sleeve according to claim 1, it is characterized in that: described some positive stop spring plates are divided into two groups, two groups of positive stop spring plates axle sleeve cylindrical outer surface along the circumferential direction level be interspersed, one group of positive stop spring plate is arranged near commutator, and one group of positive stop spring plate is arranged away from commutator.
3. rotor axle sleeve according to claim 1 and 2, it is characterized in that: described stopper slot is V-shaped on commutator axial cross section, positive stop spring plate can be bonded to each other with stopper slot.
4. rotor axle sleeve according to claim 3, is characterized in that: described positive stop spring plate is 7, and corresponding stopper slot is also 7, and positive stop spring plate is 4 near commutator side, and positive stop spring plate is 3 away from commutator side.
CN201420711419.3U 2014-11-24 2014-11-24 Rotor axle sleeve Expired - Fee Related CN204205759U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420711419.3U CN204205759U (en) 2014-11-24 2014-11-24 Rotor axle sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420711419.3U CN204205759U (en) 2014-11-24 2014-11-24 Rotor axle sleeve

Publications (1)

Publication Number Publication Date
CN204205759U true CN204205759U (en) 2015-03-11

Family

ID=52663675

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420711419.3U Expired - Fee Related CN204205759U (en) 2014-11-24 2014-11-24 Rotor axle sleeve

Country Status (1)

Country Link
CN (1) CN204205759U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107387000A (en) * 2017-08-17 2017-11-24 中国石油集团西部钻探工程有限公司 Low-voltage DC electric degasser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107387000A (en) * 2017-08-17 2017-11-24 中国石油集团西部钻探工程有限公司 Low-voltage DC electric degasser

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150311

Termination date: 20151124