CN203377709U - A spigot structure of a motor end cap and a motor - Google Patents

A spigot structure of a motor end cap and a motor Download PDF

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Publication number
CN203377709U
CN203377709U CN201320427322.5U CN201320427322U CN203377709U CN 203377709 U CN203377709 U CN 203377709U CN 201320427322 U CN201320427322 U CN 201320427322U CN 203377709 U CN203377709 U CN 203377709U
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China
Prior art keywords
cap
stator core
medial
seam
motor
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Active
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CN201320427322.5U
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Chinese (zh)
Inventor
黄连
赵守益
王永威
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HUAI'AN MDC CHEMISTRY Co Ltd
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HUAI'AN MDC CHEMISTRY Co Ltd
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Abstract

The utility model provides a spigot structure of a motor end cap and a motor. The spigot structure prevents an end cap spigot from being processed by a machine. An axial burr containing groove surface, an anti-side-slipping baffle plate, and a radial outer concave arc angle are designed on the structure. The spigot structure has advantages of preventing the end cap from being deformed by clamping force in a spigot processing process, and preventing precision decrease arising from pressed burr when an iron core contacts the end cap. By the above structural design, the stability of dimension of the end cap spigot is guaranteed so that motor assembling precision and stability are guaranteed and various performance indexes of the motor are increased.

Description

The fixing structure of electric motor end cap and motor
Technical field
The utility model belongs to the motor production technical field, more particularly, relates to a kind of fixing structure of electric motor end cap and has the motor of this fixing structure.
Background technology
The application of series-wound motor in modern household electrical equipment is just increasingly extensive, because having low speed torque, it reaches greatly the mechanical property that high speed efficiency is high, be widely used on roller washing machine as supporting power, enhancing along with people's environmental consciousness, awareness of safety, requirements to washing machine further improves, and as the series excited machine of washing machine power source, becomes the primary object that improves.
End cap is the main link of motor, and series excited machine in the market has employing cast-aluminum end cover more than 95%, and general seam positioning end cover is all generally to rely on the machine work in later stage to realize seam final size and precision.
In the modern society of Market competition, the materials of end cover designs are fewer and feweri, and the intensity of end cap worse and worse, the end cap seam is in machining process, due to the impact that is subject to the fixture clamping, the end cap distortion is inevitable, removes fixture after completion of processing, the outside stressed releasing of series excited machine end cap, the end cap stress recovery, the seam processing dimension is along with the recovery of stress changes, and machining accuracy can't guarantee, badly influence the assembly precision of motor, have influence on the properties stability of motor.
Therefore, the mach existence of seam, increased the probability that end cap produces defective products, increased processing cost, and this just requires end cap to change this present situation from design aspect.Remove this procedure of seam machine work, beyond doubt one the most directly, effective method, but, after removing this procedure, how to ensure desired precision be installed, taking effective measures the impact of eliminating well the undesirable element produced in installation process, is problem further to consider.
The utility model content
The purpose of this utility model is to provide a kind of fixing structure and motor of electric motor end cap, is intended to remove after this procedure of seam machine work the assembly precision that can guarantee motor for electric motor end cap.
For achieving the above object, the technical solution adopted in the utility model is: a kind of fixing structure of electric motor end cap is provided, comprises the end cap body, described end cap body has the end cap face coordinated with the outer face of the stator core of motor;
Integrated with described end cap body to convexing with along described end cap body inner shafts, for the seam clamping plate that prevent the stator core radial displacement with for preventing the anti-sideslip baffle plate of stator core radial displacement and rotation;
Offer vertically on described end cap body that medial surface with the medial surface of described anti-sideslip baffle plate and described seam clamping plate joins and lower than described end cap face, for holding the groove surface of axial burr.
Further, between the medial surface of the medial surface of described anti-sideslip baffle plate and described seam clamping plate, intersection is provided with outside concave arc angle, footpath.
Optimally, described anti-sideslip baffle plate and described seam clamping plate have a common end face, between the medial surface of the medial surface of described anti-sideslip baffle plate and described seam clamping plate and described end face, all are made as fillet surface.
Optimally, the medial surface of the medial surface of described anti-sideslip baffle plate and described seam clamping plate has the draw taper of 0.5-3 °.
Preferably, described groove surface is 0.3-1mm with respect to the degree of depth of described end cap face.
The fixing structure of the electric motor end cap that the utility model provides is for the beneficial effect of existing machine work seam location structure:
(1) the end cap seam, without machine work, has been avoided, in the seam machining process, the clamping of end cap is out of shape to the defective products caused and has been produced;
(2) setting of end cap seam for holding the groove surface of axial burr, effectively prevent that core section extruding end cap from producing burr and the aluminium bits are piled up the generation that causes the uneven phenomenon of contact-making surface, guarantee quality of fit;
(3) the anti-sideslip baffle plate of end cap seam, effectively prevent radial displacement and the rotation of iron core at the end cap face;
(4) setting at the outside concave arc in the footpath of end cap seam angle, effectively avoided contacting of iron core wedge angle and aluminium end cap, prevents the crimp of iron core sharp corner and to the scuffing of end cap seam.
For achieving the above object, the utility model also provides a kind of motor, described motor comprise front end housing, rear end cap and be located at described front end housing and described rear end cap between stator core; The place, location of described front end housing and described rear end cap all comprises above-mentioned fixing structure, and described stator core is provided with the fixed structure matched with described fixing structure.
Particularly, described fixed structure comprises:
Stator core seam face, be with the medial surface of described seam clamping plate that line contacts, interference fit;
The stator core side plane, be with the medial surface of described anti-sideslip baffle plate that line contacts, interference fit;
Described stator core seam face and described stator core side plane intersect formation one wedge angle limit, and described wedge angle limit falls in outside concave arc angle, footpath;
The overstocked aluminium bits of the medial surface Fit of the medial surface Fit of described stator core seam face and described seam clamping plate and described stator core side plane and described anti-sideslip baffle plate drop in described groove surface.
Preferably, described fixing structure is made as everywhere, and is symmetric; Described fixed structure also is made as everywhere, and corresponding described fixing structure is symmetrically distributed in the outside of described stator core one by one.
The beneficial effect of the motor that the utility model provides is: compared with prior art, the utility model motor is owing to having adopted above-mentioned fixing structure, realized simplification manufacturing process, reduce manufacturing cost, improved production efficiency, guarantee the assembly connection precision of stator core and forward and backward end cap, stability is strengthened, and has reached low-cost, high performance purpose of design.
The accompanying drawing explanation
The three-dimensional structure diagram of the electric motor end cap of the fixing structure that Fig. 1 is the electric motor end cap that has the utility model embodiment and provide;
The local amplification assumption diagram at A place in Fig. 2 Fig. 1;
The main TV structure figure of the electric motor end cap of the fixing structure that Fig. 3 is the electric motor end cap that has the utility model embodiment and provide;
The local amplification assumption diagram that Fig. 4 is B place in Fig. 3;
Fig. 5 be in Fig. 3 C-C to cutaway view;
The three-dimensional structure diagram of the stator core of the motor that Fig. 6 provides for the utility model embodiment;
The main TV structure figure of the stator core of the motor that Fig. 7 provides for the utility model embodiment;
The blast structure chart of the motor that Fig. 8 provides for the utility model embodiment.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
See also Fig. 1 to Fig. 5, electric motor end cap 100 for fixing structure 1 with electric motor end cap that the better enforcement of the utility model one provides, the fixing structure 1 of this kind of electric motor end cap 100 comprises end cap body 10, and end cap body 10 has the end cap face 101 coordinated with the outer face 110 of the stator core of motor, along end cap body 10 inner shafts to convexing with and the integrated seam clamping plate 11 of end cap body 10 and anti-sideslip baffle plate 12, these seam clamping plate 11 are for being clamped in the outside of stator core, prevent the stator core radial displacement, and anti-sideslip baffle plate 12 also prevents the stator core rotation both for preventing the stator core radial displacement, offer vertically the groove surface 103 for holding axial burr on end cap body 10, the medial surface 121 of this groove surface 103 and anti-sideslip baffle plate 12 joins with the medial surface 111 of seam clamping plate 11 and lower than end cap face 101, owing to being interference fit between stator core and end cap, while during assembling, by external force, pushing iron core, the end cap seam can produce burr and aluminium bits, this groove surface 103 has been arranged, burr and aluminium bits can be received wherein, so prevent that well burr and aluminium bits are deposited in the problem that causes the contact-making surface injustice between stator core and end cap face 101, guarantee assembly precision.Accommodating preferably in order to guarantee that burr can access, preferably, groove surface 103 is 0.3-1mm with respect to the depth H of end cap face 101.
The fixing structure 1 of the electric motor end cap that adopts the utility model to provide, the end cap seam is without machine work, having avoided, in the seam machining process, the clamping of end cap is out of shape to the defective products caused produces, design by this structure, guaranteed the stability of end cap seam size, thereby can guarantee the stability of motor assembly precision, the stability of motor property indices can be improved.
Refer to Fig. 2 and Fig. 4, in the present embodiment, for the crimp that prevents the iron core sharp corner with to the scuffing of end cap seam, between the medial surface 111 of the medial surface 121 of preventing sideslip baffle plate 12 and seam clamping plate 11, intersection is provided with outside concave arc angle, footpath 102, contacting of iron core wedge angle limit and aluminium end cap can be effectively avoided at outside concave arc angle, this footpath 102, naturally not there will be the scuffing phenomenon.
In the present embodiment, anti-sideslip baffle plate 12 has common end face 110 with seam clamping plate 11, all be made as fillet surface 112 between the medial surface 121 of anti-sideslip baffle plate 12 and the medial surface 111 of seam clamping plate 11 and end face 110, this fillet surface 112 can play certain guide effect when stator iron and end cap assembling, makes contraposition more easy.
In addition, the medial surface 121 of anti-sideslip baffle plate 12 and the medial surface 111 of seam clamping plate 11 have the draw taper a of 0.5-3 °, be convenient to so on the one hand the easier demoulding of cast-aluminum end cover when casting, being beneficial to it manufactures, guide effect while also playing on the other hand assembling, make contraposition more oversimplify.
For achieving the above object, the utility model also provides a kind of motor.Refer to Fig. 8, for a kind of motor that originally practical preferred embodiment provides, this kind of motor comprise front end housing 100, rear end cap 300 and be located at front end housing 100 and rear end cap 300 between stator core 200, the place, location of front end housing 100 and rear end cap 300 comprises above-mentioned fixing structure 1, and stator core 200 is provided with the fixed structure 2 coordinated with fixing structure 1; Certainly this kind of motor also comprises brush assembly 500 and rotor assembly 400, owing to being prior art, its concrete structure do not added to detailed description at this.
Wherein, fixed structure 2 comprises sets sub-iron core seam face 21 and stator core side plane 22, stator core seam face 21 is with the medial surface 111 of seam clamping plate 11 that line contacts, interference fit, stator core side plane 22 is with the medial surface 121 of anti-sideslip baffle plate 12 that line contacts, interference fit, and stator core seam face 21 intersects and forms wedge angle limits 212 with stator core side plane 22.During the assembling of stator core and end cap seam, be to realize installation smoothly by fillet surface and the draw taper of 0.5-3 °; The overstocked aluminium bits of medial surface 121 Fits of medial surface 111 Fits of stator core seam face 21 and seam clamping plate 11 and stator core side plane 22 and anti-sideslip baffle plate 12 drop in the groove surface 103 of 0.3-1.0mm, so prevent that well burr and aluminium bits are deposited in the problem that causes the contact-making surface injustice between stator core and end cap face 101, guarantee assembly precision; Simultaneously, the stator core side plane 22 wedge angle limit 212 crossing with stator core seam face 21 avoided contacting with the end cap fixing structure, falls in outside concave arc angle, described footpath 102, avoided the scuffing phenomenon to occur.
In the present embodiment, refer to Fig. 6 and Fig. 7, fixing structure 1 is made as everywhere simultaneously, and is symmetrically distributed on end cap; Fixed structure 2 also is made as everywhere, and corresponding fixing structure 1 is symmetrically distributed in the outside of stator core 200 one by one.Form like this four point symmetries location, when stator core 200 under external force with forward and backward end cap interference fit after, its connective stability is better.
The motor that the utility model provides is owing to having adopted above-mentioned fixing structure, realized simplification manufacturing process, reduce manufacturing cost, improved production efficiency, guarantee the precision of the assembly connection of stator core and forward and backward end cap, stability is strengthened, and has reached low-cost, high performance purpose of design.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.

Claims (8)

1. the fixing structure of electric motor end cap, comprise the end cap body, and described end cap body has the end cap face coordinated with the outer face of the stator core of motor; It is characterized in that:
Integrated with described end cap body to convexing with along described end cap body inner shafts, for the seam clamping plate that prevent the stator core radial displacement with for preventing the anti-sideslip baffle plate of stator core radial displacement and rotation;
Offer on described end cap body that medial surface with the medial surface of described anti-sideslip baffle plate and described seam clamping plate joins and lower than described end cap face, for holding the groove surface of axial burr.
2. the fixing structure of electric motor end cap as claimed in claim 1, it is characterized in that: between the medial surface of the medial surface of described anti-sideslip baffle plate and described seam clamping plate, intersection is provided with outside concave arc angle, footpath.
3. the fixing structure of electric motor end cap as claimed in claim 1 or 2, it is characterized in that: described anti-sideslip baffle plate and described seam clamping plate have a common end face, between the medial surface of the medial surface of described anti-sideslip baffle plate and described seam clamping plate and described end face, all are made as fillet surface.
4. the fixing structure of electric motor end cap as claimed in claim 3, it is characterized in that: the medial surface of the medial surface of described anti-sideslip baffle plate and described seam clamping plate has the draw taper of 0.5-3 °.
5. the fixing structure of electric motor end cap as claimed in claim 1, it is characterized in that: described groove surface is 0.3-1.0mm with respect to the degree of depth of described end cap face.
6. motor, comprise front end housing, rear end cap and be located at described front end housing and described rear end cap between stator core; It is characterized in that: the place, location of described front end housing and described rear end cap comprises the described fixing structure of claim 1 to 5 any one, and described stator core is provided with the fixed structure matched with described fixing structure.
7. motor as claimed in claim 6, it is characterized in that: described fixed structure comprises:
Stator core seam face, be with the medial surface of described seam clamping plate that line contacts, interference fit;
The stator core side plane, be with the medial surface of described anti-sideslip baffle plate that line contacts, interference fit;
Described stator core seam face and described stator core side plane intersect formation one wedge angle limit, and described wedge angle limit falls in outside concave arc angle, described footpath;
The overstocked aluminium bits of the medial surface Fit of the medial surface Fit of described stator core seam face and described seam clamping plate and described stator core side plane and described anti-sideslip baffle plate drop in described groove surface.
8. motor as claimed in claim 7, it is characterized in that: described fixing structure is made as everywhere, and is symmetric; Described fixed structure also is made as everywhere, and corresponding described fixing structure is symmetrically distributed in the outside of described stator core one by one.
CN201320427322.5U 2013-07-15 2013-07-15 A spigot structure of a motor end cap and a motor Active CN203377709U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320427322.5U CN203377709U (en) 2013-07-15 2013-07-15 A spigot structure of a motor end cap and a motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320427322.5U CN203377709U (en) 2013-07-15 2013-07-15 A spigot structure of a motor end cap and a motor

Publications (1)

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CN203377709U true CN203377709U (en) 2014-01-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106329799A (en) * 2016-10-21 2017-01-11 珠海格力节能环保制冷技术研究中心有限公司 Motor sealing structure and motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106329799A (en) * 2016-10-21 2017-01-11 珠海格力节能环保制冷技术研究中心有限公司 Motor sealing structure and motor

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