CN208503091U - A kind of backlash compensation structure of magnetic drive pump bearing - Google Patents
A kind of backlash compensation structure of magnetic drive pump bearing Download PDFInfo
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- CN208503091U CN208503091U CN201821132348.6U CN201821132348U CN208503091U CN 208503091 U CN208503091 U CN 208503091U CN 201821132348 U CN201821132348 U CN 201821132348U CN 208503091 U CN208503091 U CN 208503091U
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- rolling bearing
- bearing
- rotor
- main shaft
- magnetic drive
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Abstract
The utility model discloses a kind of backlash compensation structures of magnetic drive pump bearing, including the first rolling bearing and the second rolling bearing being mounted between main shaft and collar bush, the adjusting set for accommodating the first rolling bearing and the second rolling bearing is also equipped on the collar bush, adjustment spring is mounted between the inner wall of the excircle and adjusting set of first rolling bearing and the second rolling bearing, steel ball is equipped between adjustment spring and the first rolling bearing and the second rolling bearing, the beneficial effects of the utility model are: steel ball is regulated after the active force of spring, give the elastic preload on one axial direction of the first rolling bearing and the second rolling bearing, so that the first rolling bearing and the second rolling bearing or main shaft generate after wearing, first rolling bearing and the second rolling bearing still can carry out good contact with main shaft, simultaneously, it is axial Counterbalance spring acts between rotor and input shaft, can eliminate the axial gap or axial float of rotor, guarantee running smoothly for magnetic drive pump.
Description
Technical field
The utility model relates to magnetic force pump technical field, the backlash compensation structure of specifically a kind of magnetic drive pump bearing.
Background technique
Magnetic drive pump is the high-tech product that the working principle of permanent magnet clutch is used for centrifugal pump, and structure is generally by pumping
Body, impeller, pump cover, outer magnet rotor and transmission parts, interior magnet rotor, thrust ring, separation sleeve, pump shaft, axle sleeve, bearing, motor etc.
Composition.It is separated between inside and outside magnet rotor with non-magnetic separation sleeve, separation sleeve and pump sealing cushion for cover fastening.It is connected with impeller
Interior magnet rotor is driven by the outer magnet rotor that is connected to the motor by the effect in magnetic field, thus make pump with realizing Full-sealed no-leakage into
The conveying of row medium.
The two sides of interior magnet rotor, which are respectively provided with first sliding axle, holds and holds with second sliding axle, and first sliding axle is held and second is sliding
The structure of dynamic bearing is identical, all has bush(ing) bearing and plain thrust bearing, and bush(ing) bearing, which plays, supports rotor rotation
The dynamic effect of transhipment, plain thrust bearing play a part of limitation and are axially moved, it is desirable that thrust bearing not only has good wear-resisting
Property, hardness, while must compression strength with higher, toughness, mechanical resistant impact capacity.
And in actual use, bearing or pump shaft are also easy to produce abrasion, and the axial gap of the two is caused to increase, and influence magnetic drive pump
Normal work.
Utility model content
The purpose of this utility model is to provide a kind of backlash compensation structures of magnetic drive pump bearing, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of backlash compensation structure of magnetic drive pump bearing, including the first rolling bearing being mounted between main shaft and collar bush
With the second rolling bearing, the adjusting for accommodating the first rolling bearing and the second rolling bearing is also equipped on the collar bush
It covers, is mounted on adjustment spring between the inner wall of the excircle and adjusting set of the first rolling bearing and the second rolling bearing, adjust
Steel ball is equipped between spring and the first rolling bearing and the second rolling bearing, steel ball is placed in the through-hole in adjusting set, steel ball by
The outer circumference surface of the first rolling bearing and the second rolling bearing is withstood in the extruding of adjustment spring.
As a further solution of the present invention: the outer ring material of first rolling bearing and the second rolling bearing is
The roller material of stainless steel, the first rolling bearing and the second rolling bearing is ceramics.
Interior magnet rotor is installed as a further solution of the present invention, the end of main shaft passes through on the main shaft
The connection of the end of interior magnet rotor fastener and rotor, the outside of separation sleeve are equipped with outer magnet rotor, outer magnet rotor and the fixed company of rotor
It connects, collar bush is supported by being mounted on the intracorporal pump cover of pump, and the pump housing is mounted on the base, and the end of main shaft is stretched out from pump cover and and leaf
Wheel connection, the pump housing are equipped with water inlet corresponding with impeller on the axial direction of corresponding main shaft, and the pump housing is in the side of corresponding impeller
Water outlet is equipped at position, the input axis connection of the rotor and motor is driven the rotation of rotor by input shaft.
As a further solution of the present invention, the both ends of the main shaft be equipped with for interior magnet rotor fastener
The screw thread connected with impeller.
The rotor is connected by key with input shaft as a further solution of the present invention, at the same rotor with it is defeated
Enter to be equipped with nose balance spring between axis.
Compared with prior art, the utility model has the beneficial effects that steel ball is regulated after the active force of spring, give
With the elastic preload on one axial direction of the first rolling bearing and the second rolling bearing so that the first rolling bearing and second rolling
After dynamic bearing or main shaft generate abrasion, the first rolling bearing and the second rolling bearing still can carry out good connect with main shaft
Touching, meanwhile, nose balance spring acts between rotor and input shaft, the axial gap or axial float of rotor can be eliminated,
Guarantee running smoothly for magnetic drive pump.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the backlash compensation structure of magnetic drive pump bearing.
Fig. 2 is schematic enlarged-scale view at the A of Fig. 1.
In figure: the outer magnet rotor of the 1- pump housing, 2- pump cover, 3- main shaft, 4-, 5- bracket, 6- motor, magnet rotor, 8- first in 7-
Rolling bearing, the second rolling bearing of 9-, 10- impeller, 11- pedestal, magnet rotor fastener, 13- water outlet, 14- water inlet in 12-
Mouth, 15- input shaft, 16- rotor, 17- nose balance spring, 18- adjustment spring, 19- steel ball, 20- through-hole, 21- collar bush,
22- adjusting set.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Please refer to Fig. 1~2, in the utility model embodiment, a kind of backlash compensation structure of magnetic drive pump bearing, including installation
The first rolling bearing 8 and the second rolling bearing 9 between main shaft 3 and collar bush 21 are also equipped with use on the collar bush 21
In the adjusting set 22 for accommodating the first rolling bearing 8 and the second rolling bearing 9, the first rolling bearing 8 and the second rolling bearing 9 it is outer
Adjustment spring 18, adjustment spring 18 and the first rolling bearing 8 and the second rolling are mounted between circumference and the inner wall of adjusting set 22
Steel ball 19 is equipped between dynamic bearing 9, steel ball 19 is placed in the through-hole 20 in adjusting set 22, extruding of the steel ball 19 by adjustment spring 18
The outer circumference surface of the first rolling bearing 8 and the second rolling bearing 9 is withstood, steel ball 19 is regulated after the active force of spring 18,
The elastic preload on 9 one axial directions of the first rolling bearing 8 and the second rolling bearing is given, so that 8 He of the first rolling bearing
After second rolling bearing 9 or main shaft 3 generate abrasion, the first rolling bearing 8 and the second rolling bearing 9 still can be with main shafts 3
Carry out good contact.
The outer ring material of first rolling bearing 8 and the second rolling bearing 9 is stainless steel, the first rolling bearing 8 and the
The roller material of two rolling bearings 9 is ceramics.
Embodiment 2
Referring to Fig. 1, being equipped with interior magnet rotor 7 on the main shaft 3, the end of main shaft 3 passes through interior magnet rotor fastener 12
It is connect with the end of rotor 16, the outside of separation sleeve is equipped with outer magnet rotor 4, and outer magnet rotor 4 is fixedly connected with rotor 16, collar bush
21 pump cover 2 by being mounted in the pump housing 1 supports, and the pump housing 1 is installed on the pedestal 11, and the end of main shaft 3 is stretched out from pump cover 2 and and leaf
10 connection of wheel, the pump housing 1 are equipped with water inlet 14 corresponding with impeller 10 on the axial direction of corresponding main shaft 3, and the pump housing 1 is in corresponding leaf
It is equipped with water outlet 13 at one side position of wheel 10, when 3 impeller 10 of main shaft rotates, realizes that water is flowed into water outlet by water inlet 14
In mouth 13, the rotor 16 is connect with the input shaft 15 of motor 6, and the rotation of rotor 16 is driven by input shaft 15.
The both ends of the main shaft 3 are equipped with the screw thread for connecting with interior magnet rotor fastener 12 and impeller 10.
In order to reduce rotor 16 in the axial float of rotation, the rotor 16 is connected by key with input shaft 15, turns simultaneously
Nose balance spring 17 is installed between son 16 and input shaft 15, for eliminating the axial gap or axial float of rotor 16, is protected
Card magnetic drive pump runs smoothly.
1-2 in conjunction with the embodiments is illustrated the working principle of the utility model: extruding of the steel ball 19 by adjustment spring 18
Withstand the outer circumference surface of the first rolling bearing 8 and the second rolling bearing 9, when 6 output power of motor, input shaft 15 drives rotor 16
Rotation, by magneticaction, the rotation of 3 impeller of main shaft, in this process, steel ball 19 is regulated the active force of spring 18
Later, the elastic preload on 9 one axial directions of the first rolling bearing 8 and the second rolling bearing is given, so that first axis of rolling
Hold 8 and second rolling bearing 9 or main shaft 3 generate abrasion after, the first rolling bearing 8 and the second rolling bearing 9 still can be with
Main shaft 3 carries out good contact, meanwhile, nose balance spring 17 acts between rotor 16 and input shaft 15, can eliminate and turn
The axial gap or axial float of son 16, guarantee running smoothly for magnetic drive pump.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of backlash compensation structure of magnetic drive pump bearing, including the first rolling being mounted between main shaft (3) and collar bush (21)
Dynamic bearing (8) and the second rolling bearing (9), which is characterized in that be also equipped on the collar bush (21) for accommodating the first rolling
The adjusting set (22) of dynamic bearing (8) and the second rolling bearing (9), the outer circle of the first rolling bearing (8) and the second rolling bearing (9)
Be mounted on adjustment spring (18) between week and the inner wall of adjusting set (22), adjustment spring (18) and the first rolling bearing (8) and
Steel ball (19) are equipped between second rolling bearing (9), steel ball (19) is placed in the through-hole (20) on adjusting set (22) Nei, steel ball (19)
The outer circumference surface of the first rolling bearing (8) and the second rolling bearing (9) is withstood by the extruding of adjustment spring (18).
2. a kind of backlash compensation structure of magnetic drive pump bearing according to claim 1, which is characterized in that described first rolls
The outer ring material of bearing (8) and the second rolling bearing (9) is stainless steel, the first rolling bearing (8) and the second rolling bearing (9)
Roller material is ceramics.
3. a kind of backlash compensation structure of magnetic drive pump bearing according to claim 1, which is characterized in that the main shaft (3)
On be equipped with interior magnet rotor (7), the end of main shaft (3) is connect by interior magnet rotor fastener (12) with the end of rotor (16),
The outside of separation sleeve is equipped with outer magnet rotor (4), and outer magnet rotor (4) is fixedly connected with rotor (16), and collar bush (21) is by being mounted on
Pump cover (2) support in the pump housing (1), the pump housing (1) is mounted on pedestal (11), the end of main shaft (3) stretched out from pump cover (2) and with
Impeller (10) connection, the pump housing (1) are equipped with water inlet (14) corresponding with impeller (10) on the axial direction of corresponding main shaft (3),
The pump housing (1) is equipped with water outlet (13) at a side position of corresponding impeller (10), the input shaft of the rotor (16) and motor (6)
(15) it connects, the rotation of rotor (16) is driven by input shaft (15).
4. a kind of backlash compensation structure of magnetic drive pump bearing according to claim 3, which is characterized in that the main shaft (3)
Both ends be equipped with the screw thread for connecting with interior magnet rotor fastener (12) and impeller (10).
5. a kind of backlash compensation structure of magnetic drive pump bearing according to claim 3, which is characterized in that the rotor (16)
It is connected by key with input shaft (15), while nose balance spring (17) being installed between rotor (16) and input shaft (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132348.6U CN208503091U (en) | 2018-07-17 | 2018-07-17 | A kind of backlash compensation structure of magnetic drive pump bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132348.6U CN208503091U (en) | 2018-07-17 | 2018-07-17 | A kind of backlash compensation structure of magnetic drive pump bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503091U true CN208503091U (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821132348.6U Active CN208503091U (en) | 2018-07-17 | 2018-07-17 | A kind of backlash compensation structure of magnetic drive pump bearing |
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| Country | Link |
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| CN (1) | CN208503091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799187A (en) * | 2018-07-17 | 2018-11-13 | 安徽南方化工泵业有限公司 | A kind of backlash compensation structure of magnetic drive pump bearing |
-
2018
- 2018-07-17 CN CN201821132348.6U patent/CN208503091U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799187A (en) * | 2018-07-17 | 2018-11-13 | 安徽南方化工泵业有限公司 | A kind of backlash compensation structure of magnetic drive pump bearing |
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