CN209046404U - Motor end cover component and motor with it - Google Patents

Motor end cover component and motor with it Download PDF

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Publication number
CN209046404U
CN209046404U CN201821500265.8U CN201821500265U CN209046404U CN 209046404 U CN209046404 U CN 209046404U CN 201821500265 U CN201821500265 U CN 201821500265U CN 209046404 U CN209046404 U CN 209046404U
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China
Prior art keywords
end cap
motor
cover component
end cover
internal perisporium
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CN201821500265.8U
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Chinese (zh)
Inventor
左亚军
张健强
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Foshan Welling Washer Motor Manufacturing Co Ltd
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Foshan Welling Washer Motor Manufacturing Co Ltd
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Abstract

The utility model discloses a kind of motor end cover component and with its motor, the motor end cover component includes: end cap and bearing chamber pedestal, and wherein end cap is plastic part, and bearing chamber pedestal is embedded in end cap, and bearing chamber pedestal is sheet metal component.Motor end cover component according to the present utility model, the precision for efficiently solving the problems, such as that plastic end cover and stator, bearing chamber and bearing fit are installed are bad.

Description

Motor end cover component and motor with it
Technical field
The utility model relates to technical field of motors, more particularly, to a kind of motor end cover component and with its motor.
Background technique
In the prior art, the end cover structure of part motor using plastic material production when, will cause end cap intensity and The problem of insufficient rigidity, and the production precision of bearing chamber is not able to satisfy size tolerance requirements.Therefore, to guarantee that it is enough that end cap has Strength and stiffness, and meet the dimension precision requirement of bearing chamber and seam allowance face, end cover structure generally uses cast aluminium die cast, then It is machined out cutting, material cost and manufacture craft cost are relatively high, cause the cost of manufacture of motor to rise, to lead Send a telegraph the decline of the machine competitiveness of product in market.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose that a kind of motor end cover component, the motor end cover component can effectively solve the intensity deficiency of electric motor end cap Or machining accuracy the problem of cannot be guaranteed.
The utility model also proposed a kind of motor with above-mentioned motor end cover component.
Motor end cover component according to the utility model embodiment includes: end cap, and the end cap is plastic part;Bearing chamber base Seat, the bearing chamber pedestal are embedded in the end cap, and the bearing chamber pedestal is sheet metal component.
Motor end cover component according to the present utility model, end cap use plastic material, and bearing chamber pedestal is stretched using metal plate Molded part, then end-cap assembly is integrated by injection molding, to improve the strength and stiffness of end-cap assembly, reduce end-cap assembly Production cost, and without being machined out technique, it is ensured that good assembly precision, is guaranteeing motor performance and reliability Under the premise of not reducing, so that being optimal of cost of end-cap assembly.
According to the motor end cover component of the utility model one embodiment, the end cap includes: end cap ontology, end cap periphery Wall and end cap internal perisporium, end cap body through-holes are provided on the end cap ontology, and the end cap periphery wall is arranged in the end cap The neighboring of ontology, the end cap internal perisporium are arranged on the medial surface of the end cap ontology and lead to around the end cap ontology The end cap ontology is divided into end cap ontology inner segment and end cap ontology outer segment by hole, the end cap internal perisporium, in the end cap ontology The end cap body through-holes are formed in section, the bearing chamber pedestal is respectively and in the end cap internal perisporium and the end cap ontology Section is fixed.
Further, the bearing chamber pedestal includes: base body and base peripheral wall, the base peripheral wall and the end cap Internal perisporium fitting is fixed, and the base body is bonded fixation with the end cap ontology inner segment.
Further, be bonded two fixed faces each other wherein one of the end cap ontology inner segment and the base body Groove structure is provided on a and the bulge-structure for being embedded in the groove structure is provided on another.
Optionally, the inner periphery of the base body radially-inwardly protrudes the end cap ontology inner segment along the end cap Inner periphery.
Optionally, the fixation flange to extend radially outwardly along the base peripheral wall, institute are provided in the base peripheral wall Fixed flange insertion is stated to be fixed on the end cap internal perisporium.
Further, at least one lug is additionally provided on the fixed flange, on the outer peripheral surface of the end cap internal perisporium Be additionally provided with cylinder, at least part of the lug along the radially projecting end cap internal perisporium outer peripheral surface, and it is prominent Be partially submerged into and be fixed in the cylinder.
Optionally, the junction of the lug and the fixed flange is additionally provided with positioning reinforced hole.
Optionally, the cylinder is to be at least one, and the quantity of the lug is with distribution mode corresponding with the cylinder Match.
Further, the end cap internal perisporium and the base peripheral wall are coaxially arranged, and the end cap internal perisporium is with slotting Entrance, the internal diameter D1 of the insert port are greater than the internal diameter D2 of the base peripheral wall.
Optionally, which is characterized in that the internal diameter D1 of the insert port and internal diameter D2 of the base peripheral wall it Between meet: D1-D2 >=1.5mm.
Further, the axial distance between the inner face of the end cap internal perisporium and the fixed flange is not less than 1.5mm。
According to the motor end cover component of the utility model one embodiment, the bearing chamber pedestal is as inserts and the end Lid is integrally formed.
The electric motor end cap group any just like first aspect is arranged in the motor of second aspect according to the present utility model Part.Possessed advantage is identical compared with the existing technology with above-mentioned motor end cover component for the motor, and details are not described herein.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram according to the motor of the utility model embodiment;
Fig. 2 is the structural schematic diagram according to the motor end cover component of the utility model embodiment;
Fig. 3 is the partial enlarged view in Fig. 2 at A;
Fig. 4 is the structural schematic diagram of Fig. 3 middle (center) bearing room pedestal;
Fig. 5 is according to the bearing chamber pedestal of the utility model embodiment and the assembling schematic diagram of end cap.
Appended drawing reference:
Motor 100, motor end cover component 10, end cap 1, end cap ontology 11, end cap ontology inner segment 111, end cap body through-holes 1111, bulge-structure 1112, end cap ontology outer segment 112, end cap periphery wall 12, end cap internal perisporium 13, cylinder 131, bearing chamber base Seat 2, base body 21, groove structure 211, base peripheral wall 22, fixed flange 221, lug 222 position reinforced hole 2221, stator 3, rotor 4, crankshaft 5, bearing 6.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.
Below with reference to Fig. 1-Fig. 5 description according to the motor end cover component 10 of the utility model embodiment.Such as Fig. 1-Fig. 5 institute Show, the motor end cover component 10 according to the utility model embodiment includes: end cap 1 and bearing chamber pedestal 2.
In the embodiments of the present invention, end cap 1 is plastic part, and is integrally formed using Shooting Technique, as a result, end cap 1 light weight, the cost of material is low, and production precision is high, and eliminates process for machining, is conducive to the cost for optimizing end cap 1.
Bearing chamber pedestal 2 is embedded in end cap 1, and bearing chamber pedestal 2 is sheet metal component, and optionally, bearing chamber pedestal 2 can be adopted It is made of cold rolling Metal plate by punching stretch forming technique, production precision is good, and high production efficiency is conducive to large batch of life Produce production.
According to the motor end cover component 10 of the utility model embodiment, end cap 1 uses plastic material, and bearing chamber pedestal 2 is adopted It is integrated end-cap assembly 10 with metal plate drawing and forming part, then by injection molding, so as to effectively improve the strong of end-cap assembly 10 Degree and rigidity reduce the production cost of end-cap assembly 10, and without being machined out technique, it is ensured that good assembly is smart Degree, under the premise of guaranteeing that 100 performance of motor and reliability do not reduce, so that being optimal of cost of end-cap assembly 10.
One embodiment according to the present utility model, as shown in Fig. 1-Fig. 2, Fig. 5, end cap 1 may include: end cap ontology 11, end cap periphery wall 12 and end cap internal perisporium 13, the axial direction that the axial length of end cap periphery wall 12 is greater than end cap internal perisporium 13 are long Further end cap body through-holes 1111 have can be set in degree on end cap ontology 11, end cap periphery wall 12 is arranged in end cap ontology 11 neighboring, end cap internal perisporium 13 are arranged on the medial surface of end cap ontology 11 and around end cap body through-holes 1111, ends End cap ontology 11 is divided into end cap ontology inner segment 111 and end cap ontology outer segment 112 by lid internal perisporium 13, on end cap ontology inner segment 111 End cap body through-holes 1111 are formed with, bearing chamber pedestal 2 is fixed with end cap internal perisporium 13 and end cap ontology inner segment 111 respectively, That is bearing chamber pedestal 2 is fixed with end cap 1 in the form of inserts, to play the role of reinforcing end cap 1, while bearing The firmly installing in end cap 1 of room pedestal 2.
Further, as shown in Figures 2 and 3, bearing chamber pedestal 2 may include: base body 21 and base peripheral wall 22, base Seat peripheral wall 22 is bonded fixation with end cap internal perisporium 13, and base body 21 is bonded fixation with end cap ontology inner segment 111.Optionally, such as Shown in Fig. 3, it is provided on end cap ontology inner segment 111 and one of them for being bonded two fixed faces each other of base body 21 recessed Slot structure and the bulge-structure that insertion groove structure is provided on another, for example, bearing chamber pedestal 2 shown in Fig. 3 and end In the installation diagram that lid 1 cooperates, be provided with groove structure 211 on base body 21, end cap ontology inner segment 111 with base body 21 Bulge-structure 1112 is provided on the face of cooperation, bulge-structure 1112 cooperates in groove structure 211, can make bearing chamber as a result, Pedestal 2 and being bonded for end cap 1 are close, and it is firm to connect, so that end-cap assembly 10 is compact-sized, while convenient for the one note of the two It is moulded into type.
Optionally, the inner circumferential that radially-inwardly protrudes end cap ontology inner segment 111 of the inner periphery of base body 21 along end cap 1 Edge, that is to say, that base body 21 is outwardly exposed by end cap body through-holes 1111, is thus convenient for injection molding Shi Mo Setting is for positioning the supporting element of bearing chamber pedestal 2 in tool, to guarantee that bearing chamber pedestal 2 and end cap 1 are molded when being integrated Position precision.
Further, as shown in figure 4, fixed flange 221 can be set in base peripheral wall 22, fixed flange 221 is along base Seat peripheral wall 22 extends radially outwardly, and when the cooperation of bearing chamber pedestal 2 is in end cap 1, the fixed insertion of flange 221 is fixed on end On lid internal perisporium 13, thus guarantee that bearing chamber pedestal 2 is fixed in end cap 1, thus during integrally formed, Bearing chamber pedestal 2 is not susceptible to shift, and then guarantees the formed precision of end-cap assembly 10.
Optionally, it is also provided with lug 222 on fixed flange 221, is also set up on the outer peripheral surface of end cap internal perisporium 13 There is a cylinder 131, the outer peripheral surface of the radially projecting end cap internal perisporium 13 of at least part of lug 222, and outstanding be partially submerged into It is fixed in cylinder 131, is conducive to the bonding strength for improving bearing chamber pedestal 2 and end cap 1 in this way, to improve end-cap assembly 10 Reliability.
Further, as shown in figure 4, the junction of lug 222 and fixed flange 221 is also provided with positioning reinforced hole 2221, positioning reinforced hole 2221 be circular hole, as a result, in injection molding process using positioning reinforced hole 2221 in bearing Room pedestal 2 and end cap 1 are positioned, to improve the installation accuracy of bearing chamber pedestal 2 and end cap 1, and then guarantee end-cap assembly 10 formed precision.
Optionally, cylinder 131 is at least one, and the position and quantity one of the position of lug 222 and quantity and cylinder 131 One Corresponding matching, in one embodiment of the utility model, as Fig. 4 and as shown in figure 5, cylinder quantity be two, lug 222 be also two, and two lugs 222, which are respectively embedded into, to be fixed in two cylinders 131, thus between bearing chamber pedestal 2 and end cap 1 Accurate positioning, it is firm to connect, and helps to improve the overall stiffness and intensity of end-cap assembly 10, and end-cap assembly 10 is born more Big load;Meanwhile the structure can have effect to reduce deflection of the bearing Room 6 under load effect, to guarantee that motor 100 is fixed Air gap uniformity between word and rotor 4.
One embodiment according to the present utility model, as shown in Figures 2 and 3, end cap internal perisporium 13 and base peripheral wall 22 are same Axis arrangement, and end cap internal perisporium 13 has insert port, which is put into for bearing chamber pedestal 2, and the internal diameter of insert port Dimension D 1 is greater than the internal diameter D2 of base peripheral wall 22.Still optionally further, the internal diameter D1 of insert port and base peripheral wall 22 Internal diameter D2 between meet: D1-D2 >=1.5mm, that is to say, that the inner wall of the inner wall of insert port and bearing chamber pedestal 2 it Between unilateral gap be not less than 0.75mm, structure design can effectively solve the problems, such as in injection molding mold envelope material, avoid liquid State plastics are flowed on the inner surface of bearing chamber pedestal 2.
Further, the axial distance H between the inner face of end cap internal perisporium 13 and fixed flange 221 is not less than 1.5mm, That is, the axial distance H of the upper surface of end cap internal perisporium 13 to fixed flange 221 is more than or equal to 1.5mm, be thus conducive to Improve the bonding strength of bearing chamber pedestal 2 and end cap 1.
One embodiment according to the present utility model, bearing chamber pedestal 2 can be used as inserts and end cap 1 is integrally formed, and End cap 1 and bearing chamber pedestal 2 are molded as one structure by Shooting Technique.That is, bearing chamber pedestal 2 can first be embedded in end cap In 1, then the two is carried out integrally formed, the formed precision of entire end-cap assembly 10 is high as a result, and end cap 1 and stator 3 cooperate Seam allowance face no longer need to be machined out, to improve the production efficiency of end-cap assembly 10, reduce production cost.
Optionally, in the end-cap assembly of the utility model embodiment 10, end cap 1 can use engineering plastics, bearing chamber Pedestal 2 is cold rolling sheet metal component, as a result, the light weight of plastic end cover 1, and engineering plastics are easy to form, the intensity of cold rolling sheet metal component Height, and convenient formation, in this way, under the quality for mitigating end-cap assembly 10, while improving the intensity of entire end-cap assembly 10.
In conclusion efficiently solving plastic end cover 1 according to the motor end cover component 10 of the utility model embodiment and determining The bad problem of precision that son 3, bearing Room 6 and bearing 6 are coupled, and the end-cap assembly 10 has that stiffness and strength are good, material The advantages that at low cost and technique production feasibility is good, is applied on motor 100, is guaranteeing the same of 100 runnability of motor When, the product cost of motor 100 can be reduced, 100 competitiveness of product in market of motor is effectively improved.
The utility model additionally provides a kind of motor 100, which includes above-mentioned motor end cover component 10, thus Have the advantages that intensity is high, installation accuracy is good, production cost is low etc..
Further, as shown in Figure 1, according to the motor 100 of the utility model embodiment, comprising: drive end bearing bracket 1 and rear end cap 1, at least one of drive end bearing bracket 1 and rear end cap 1 can use the structure of above-mentioned motor end cover component 10, that is to say, that front end Lid 1 or rear end cap 1 are above-mentioned motor end cover component 10, certainly, the motor side that drive end bearing bracket 1 and rear end cap 1 all can be above-mentioned Cap assemblies 10, stator 3 and rotor 4 are accommodated in the cavity that drive end bearing bracket 1 and rear end cap 1 are formed, and rotor 4 is rotationally embedded fixed On son 3, crankshaft 5 is connected with rotor 4 and is supported on bearing chamber pedestal 2 by bearing 6.
According to other compositions of the motor 100 of the utility model embodiment such as specific structure of stator 3 and rotor 4 for All be for those of ordinary skill in the art it is known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (13)

1. a kind of motor end cover component characterized by comprising
End cap, the end cap are plastic part;
Bearing chamber pedestal, the bearing chamber pedestal is embedded in the end cap and is integrally formed with the end cap, and the bearing Room pedestal is sheet metal component.
2. motor end cover component according to claim 1, which is characterized in that the end cap includes: end cap ontology, outside end cap Peripheral wall and end cap internal perisporium, end cap body through-holes are provided on the end cap ontology, and the end cap periphery wall is arranged at the end The neighboring of lid ontology, the end cap internal perisporium are arranged on the medial surface of the end cap ontology and around the end cap ontologies The end cap ontology is divided into end cap ontology inner segment and end cap ontology outer segment, the end cap ontology by through-hole, the end cap internal perisporium Be formed with the end cap body through-holes on inner segment, the bearing chamber pedestal respectively with the end cap internal perisporium and the end cap ontology Inner segment is fixed.
3. motor end cover component according to claim 2, which is characterized in that the bearing chamber pedestal includes: base body And base peripheral wall, the base peripheral wall are bonded fixation with the end cap internal perisporium, in the base body and the end cap ontology Section fitting is fixed.
4. motor end cover component according to claim 3, which is characterized in that the end cap ontology inner segment and the pedestal sheet It is provided with groove structure in one of them for being bonded two fixed faces each other of body and that insertion is provided on another is described recessed The bulge-structure of slot structure.
5. motor end cover component according to claim 3, which is characterized in that the inner periphery of the base body is described in The inner periphery for radially-inwardly protruding the end cap ontology inner segment of end cap.
6. motor end cover component according to claim 3, which is characterized in that be provided in the base peripheral wall along the base The fixation flange of seat peripheral wall to extend radially outwardly, the fixed flange insertion are fixed on the end cap internal perisporium.
7. motor end cover component according to claim 6, which is characterized in that be additionally provided at least one on the fixed flange A lug, cylinder is additionally provided on the outer peripheral surface of the end cap internal perisporium, and at least part of the lug is prominent along the radial direction The outer peripheral surface of the end cap internal perisporium out, and outstanding be partially submerged into is fixed in the cylinder.
8. motor end cover component according to claim 7, which is characterized in that the connection of the lug and the fixed flange Place is additionally provided with positioning reinforced hole.
9. motor end cover component according to claim 7, which is characterized in that the cylinder be at least one, the lug Quantity and distribution mode and the cylinder Corresponding matching.
10. motor end cover component according to claim 3, which is characterized in that the end cap internal perisporium and pedestal week Wall is coaxially arranged, and the end cap internal perisporium has insert port, and the internal diameter D1 of the insert port is greater than the base peripheral wall Internal diameter D2.
11. motor end cover component according to claim 10, which is characterized in that the internal diameter D1 of the insert port and institute It states and meets between the internal diameter D2 of base peripheral wall: D1-D2 >=1.5mm.
12. motor end cover component according to claim 6, which is characterized in that the inner face of the end cap internal perisporium and institute The axial distance between fixed flange is stated not less than 1.5mm.
13. a kind of motor, which is characterized in that including motor end cover component described according to claim 1 any one of -12.
CN201821500265.8U 2018-09-13 2018-09-13 Motor end cover component and motor with it Active CN209046404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821500265.8U CN209046404U (en) 2018-09-13 2018-09-13 Motor end cover component and motor with it

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Application Number Priority Date Filing Date Title
CN201821500265.8U CN209046404U (en) 2018-09-13 2018-09-13 Motor end cover component and motor with it

Publications (1)

Publication Number Publication Date
CN209046404U true CN209046404U (en) 2019-06-28

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CN201821500265.8U Active CN209046404U (en) 2018-09-13 2018-09-13 Motor end cover component and motor with it

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111585376A (en) * 2020-06-12 2020-08-25 湖州牧洋精密机械制造有限公司 Integrally-formed motor rear end cover and preparation method thereof
CN112186940A (en) * 2020-09-11 2021-01-05 珠海凯邦电机制造有限公司 Plastic package end cover and motor
CN113364190A (en) * 2021-05-25 2021-09-07 浙江亚特电器有限公司 Motor with small air gap, machining and assembling method of motor and electric tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111585376A (en) * 2020-06-12 2020-08-25 湖州牧洋精密机械制造有限公司 Integrally-formed motor rear end cover and preparation method thereof
CN112186940A (en) * 2020-09-11 2021-01-05 珠海凯邦电机制造有限公司 Plastic package end cover and motor
CN113364190A (en) * 2021-05-25 2021-09-07 浙江亚特电器有限公司 Motor with small air gap, machining and assembling method of motor and electric tool

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