CN209488328U - A kind of bearing arrangement - Google Patents

Abstract

The utility model provides a kind of bearing arrangement, including internal bearing cover, bearing, bearing cover, and internal bearing cover, bearing, bearing cover are successively installed, and washer is equipped between internal bearing cover and bearing, and washer is waveform ring spacer.The technical program provides a kind of bearing arrangement, by structure, the connection relationship of each connector in optimization bearing arrangement, and is additionally arranged the washer with waveform circular feature, effectively reduces the Vibration propagation of motor, reduces the work noise of motor；And new sealing means are used, enable the utility model that lubricating grease to be effectively prevent to enter inside motor, are conducive to the stability and service life that improve motor work, in addition, the beneficial effect that the utility model also has assembly simple, at low cost.

Description

A kind of bearing arrangement

Technical field

The utility model relates to technical field of motors, and in particular to a kind of bearing arrangement.

Background technique

Motor refers to a kind of calutron that electric energy conversion or transmitting are realized according to the law of electromagnetic induction；Electric motor starting at present Noise is excessive afterwards, and wherein motor noise main sound source is electromagnetic noise, air duct noise, mechanicalness noise, mechanicalness noise mainly by In the noise that bear vibration generates；And the noise level of motor has been cited as an important indicator for measuring motor quality, at For a key factor for influencing its competitive advantage on the market.In addition, will cause if motor bearings trim designs are unreasonable Motor lubricating grease enters inside motor, to influence the consequence of motor normal work.In addition, motor must be deposited in the fabrication process In certain error, this error will affect the degree of registration of motor stator and motor rotor core position, and under the influence of a magnetic field, motor Axial force will be generated in the course of work, if if motor is not provided with axial pretightening device, will lead between motor contact and occur Gap or Relative sliding, eventually lead to that Oscillation Amplitude is excessive, noise is excessive.

Utility model content

The purpose of this utility model is to propose a kind of bearing arrangement to improve the defect of the above prior art.

To achieve the above object, the utility model provides a kind of bearing arrangement, including internal bearing cover, bearing, bearing cover, Internal bearing cover, bearing, bearing cover are successively installed, and washer is equipped between internal bearing cover and bearing, and washer is waveform loop pads Circle.

Preferably, washer is made of carbon steel material, and washer is used to play axial pretightening and damping effect to bearing.

Preferably, it is additionally provided with sealing ring, sealing ring is set to internal bearing cover far from bearing cover side, sealing ring and bearing The groove being respectively equipped in correspondence with each other is inside covered, groove is used to carry out labyrinth seal to sealing ring and internal bearing cover.

Preferably, disc is equipped between bearing and bearing rear cover, bearing cover is equipped with outage.

Preferably, disc is equipped with circlip close to bearing cover side.

Preferably, bearing cover is equipped with labyrinth ring far from bearing side, is respectively equipped on bearing cover and labyrinth ring mutually Corresponding card slot, card slot are used to carry out labyrinth seal to bearing cover and sealing ring.

Preferably, bearing is deep groove ball bearing.

Preferably, bearing cover is equipped with bolt for fixing.

Have the beneficial effect that: the technical program provides a kind of bearing arrangement, passes through each connector in optimization bearing arrangement Structure, connection relationship, and be additionally arranged the washer with waveform circular feature, effectively reduce Vibration propagation, the drop of motor The low work noise of motor；And new sealing means are used, enable the utility model that lubricating grease to be effectively prevent to enter Inside motor, be conducive to the stability and service life that improve motor work, in addition, the utility model also has, assembly is simple, Beneficial effect at low cost.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the vertical section schematic diagram of the utility model.

Fig. 2 is the utility model internal bearing cover vertical section schematic diagram.

Fig. 3 is the utility model bearing cover vertical section schematic diagram.

Fig. 4 is the utility model bearing labyrinth ring vertical section schematic diagram.

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 describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.

Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.

It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.

Embodiment:

Referring to attached drawing 1, attached drawing 2, attached drawing 3, attached drawing 4, a kind of bearing arrangement, including internal bearing cover 1, bearing 2, bearing cover 3, internal bearing cover 1, bearing 2, bearing cover 3 are successively installed, and washer 4 is equipped between internal bearing cover 1 and bearing 2, and washer 4 is wave Shape ring spacer.Bearing cover 3 and 1 material of internal bearing cover are all HT200, when design, it is contemplated that lubricating oil when adding rouge and row's rouge Channel.

Preferably, washer 4 is made of carbon steel material, and washer 4 is for playing axial pretightening and damping effect to bearing 2.Washer 4 Being set as vertical section is wavy annulus, can effectively reduce the Vibration propagation of motor, is similar to spring and acts on.

Preferably, it is additionally provided with sealing ring 5, sealing ring 5 is set to internal bearing cover 1 far from 3 side of bearing cover, sealing ring 5 With groove 6 in correspondence with each other is respectively equipped on internal bearing cover 1, groove 6 is for close to sealing ring 5 and 1 march road of internal bearing cover Envelope.

Preferably, disc 7 is equipped between bearing 2 and bearing rear cover 3, bearing cover 3 is equipped with outage 31.Lubricating grease is logical Bearing cover 3 is crossed, by end cap 100, into 1 oil pocket of internal bearing cover.Waste oil squeezes into bearing cover 3 by disc 7, by bearing The outage 31 of 3 lower part of outer cover is discharged.

Preferably, disc 7 is equipped with circlip 8 close to 3 side of bearing cover.

Preferably, bearing cover 3 is equipped with labyrinth ring 9 far from 2 side of bearing, is respectively equipped on bearing cover 3 and labyrinth ring 9 Card slot 10 in correspondence with each other, card slot 10 are used to carry out labyrinth seal to bearing cover 3 and sealing ring 5.

Preferably, bearing 2 is deep groove ball bearing.When being applied to bipolar machine, because bipolar machine revolving speed is higher, it is desirable that institute There is certain bearing capacity and lower noise with bearing, so usually selecting deep groove ball bearing at this time.

Preferably, bearing cover 3 is equipped with bolt 32 for fixing.When the utility model bearing arrangement is installed, installation Sequentially are as follows: first 8-washer of sealing ring 5- internal bearing cover 1-bearing, 2-disc, 7-circlip 4 is successively inserted in outside axis 200； Then labyrinth ring 9 is installed after tightening bearing cover 3 with bolt 32, is finally installed in place end cap 100.It needs to infuse in installation process Meaning: sealing ring 5 needs first hot jacket on axis 200, refills internal bearing cover 1.

Working principle: labyrinth seal is used in the utility model between sealing ring 5 and internal bearing cover 1, can be effectively prevented Lubricating grease enters inside motor；After washer 4 installs, clamped by internal bearing cover 1 and bearing 2, at this point, the height of washer 4 by Free high becomes work height, plays the role of axial pretightening and vibration damping to bearing 2.

The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all Under the utility model design of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (8)

1. a kind of bearing arrangement, including internal bearing cover, bearing, bearing cover, the internal bearing cover, the bearing, the bearing Outer cover is successively installed, it is characterised in that: washer is equipped between the internal bearing cover and the bearing, the washer is waveform ring Shape washer.

2. a kind of bearing arrangement according to claim 1, it is characterised in that: the washer is made of carbon steel material, described Washer is used to play axial pretightening and damping effect to the bearing.

3. a kind of bearing arrangement according to claim 2, it is characterised in that: be additionally provided with sealing ring, the sealing ring setting In the internal bearing cover far from bearing cover side, in correspondence with each other recessed is respectively equipped on the sealing ring and the internal bearing cover Slot, the groove are used to carry out labyrinth seal to the sealing ring and the internal bearing cover.

4. a kind of bearing arrangement according to claim 3, it is characterised in that: set between the bearing and the bearing cover There is disc, the bearing cover is equipped with outage.

5. a kind of bearing arrangement according to claim 4, it is characterised in that: the disc is close to the bearing cover one Side is equipped with circlip.

6. a kind of bearing arrangement according to claim 5, it is characterised in that: the bearing cover is far from the bearing side Equipped with labyrinth ring, card slot in correspondence with each other is respectively equipped on the bearing cover and the labyrinth ring, the card slot is used for institute It states bearing cover and the sealing ring carries out labyrinth seal.

7. a kind of bearing arrangement according to claim 6, it is characterised in that: the bearing is deep groove ball bearing.

8. a kind of bearing arrangement according to claim 7, it is characterised in that: the bearing cover is equipped with for fixing Bolt.