CN207069741U - A kind of electric motor end cap and its plastic packaging motor of application - Google Patents
A kind of electric motor end cap and its plastic packaging motor of application Download PDFInfo
- Publication number
- CN207069741U CN207069741U CN201720613040.2U CN201720613040U CN207069741U CN 207069741 U CN207069741 U CN 207069741U CN 201720613040 U CN201720613040 U CN 201720613040U CN 207069741 U CN207069741 U CN 207069741U
- Authority
- CN
- China
- Prior art keywords
- end cap
- terrace
- electric motor
- plastic packaging
- step face
- 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.)
- Active
Links
Landscapes
- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a kind of electric motor end cap and its plastic packaging motor of application,Stepped ramp type end cap body 1 including one end open,Bearing chamber 2 is provided with the center of end cap body 1,The end cap body includes First terrace 3 and second step face 4,Inner surface in the second step face 4,The opening of end cap body is protruding with boss 5,Described bearing chamber 2 includes bottom surface 21 and opening portion 22,The bottom surface 21 includes shaft hole 211,The bottom surface forms First terrace 3 to the axially extending rear circumferentially extending in opening portion,Circumferentially extending forms second step face 4 after First terrace 3 is axially extending,Joint face 6 is formed between the First terrace 3 and second step face 4,The inner surface in the second step face 4 and the junction of the joint face 6 are formed with boss 5,It can effectively prevent BMC material from entering inside bearing chamber by forming boss in the junction in end cap second step face and joint face.
Description
Technical field：
It the utility model is related to a kind of electric machine structure technical field, the more particularly to end cap of plastic packaging motor.
Background technology：
Existing plastic packaging motor end cap includes end cap body, and the end cap body includes First terrace, second step face
And bearing chamber, there is boss in the intermediate projections of First terrace, there are four breach in First terrace outer edge, although boss increases
Add the intensity of end cap, but because boss the injection of position relationship plastic packaging motor when, it may appear that the situation of flash, simultaneously as breach
Quantity is few and the small injection molding material when motor is molded can opposite end be stamped impact, cause the concentricity of end cap and injection moulded stator variation.
The content of the invention：
The purpose of this utility model is to provide a kind of electric motor end cap and its plastic packaging motor of application, and the electric motor end cap is effective
Prevent that injection molding material enters inside bearing chamber when end cap is molded with stator module, improves the quality of motor.
The purpose of this utility model is achieved by following technical proposals.
First purpose of the present utility model is to provide a kind of electric motor end cap, includes the stepped ramp type end cap sheet of one end open
Body, bearing block is provided with the center of end cap body, is provided with bearing chamber inside bearing block, the end cap body also includes First
Terrace and second step face, the bearing block are formed from axial projection on First terrace, second step face and First terrace
An axially-spaced segment distance, the opening of inner surface, end cap body in the second step face is protruding with boss, by holding
The inner surface in lid second step face, the opening protrusion boss of end cap body, when can effectively prevent that end cap is molded with stator module
Injection molding material enters inside bearing chamber, improves the quality of motor.
As further improving and supplementing to above-mentioned technical proposal, it is special that the utility model also includes following supplementary technology
Sign.
Bearing chamber described above includes bottom surface and opening portion, sets shaft hole among the bottom surface, and the bottom surface is to opening
Circumferentially extending forms First terrace after oral area is axially extending, is circumferentially extended after First terrace is axially extending and forms second step
Face.
Joint face is formed between First terrace described above and second step face.
The inner surface in second step face described above and the junction of the joint face are formed with boss.
The outward flange in second step face described above is uniformly provided with some breach.
Breach described above is U-shaped opening and quantity is 8.
The radial depth h of breach described above is at least 1/3rd of the second cascaded surface radial width d.
There is steam vent on First terrace described above.
Second purpose of the present utility model is to provide a kind of plastic packaging motor, including plastic packaging stator component, rotor assembly, preceding
End cap and rear end cap, the rotor assembly is inside plastic packaging stator component and is freely rotatable, and the drive end bearing bracket is described above
Electric motor end cap.
Described drive end bearing bracket and plastic packaging stator component injection moulding integrated molding, the rear end cap, which is detachably arranged in plastic packaging, to be determined
The other end of sub-component.
The utility model compared with prior art, has the effect that：
1) the end cap body also includes First terrace and second step face, and the bearing block is from First terrace
Upper axial projection is formed, a second step face segment distance axially-spaced with First terrace, the interior table in the second step face
Face, the opening of end cap body are protruding with boss, convex by the opening in the inner surface in end cap second step face, end cap body
Go out boss, can effectively prevent that injection molding material enters inside bearing chamber when end cap is molded with stator module, improves the quality of motor.
2) some U-shaped breach are provided with the outward flange in second step face, on the premise of ensureing end cap bulk strength, increased
Add the breach quantity and area in second step face, the breach 7 is U-shaped opening and quantity is 8, i.e., the radial direction of described breach 7
Depth is at least 1/3rd of the radial width d of the second cascaded surface 4, reduces BMC material to the impulsive force of end cap body during injection, keeps away
Exempt from injection moulded stator to hold the concentricity change of room greatly with respect to end cap body shaft and prevent flash.
3) increase steam vent on First terrace, prevent the gas inside when plastic packaging motor assembles from can not exclude and causing
Ball bearing abnormal sound；
4) plastic packaging motor, by the improvement to electric motor end cap, so as to improve the quality of motor, reduce product into
Sheet and rework rate.
Brief description of the drawings：
Fig. 1 is the end cap front view that the utility model embodiment one provides；
Fig. 2 is the sectional view of A-A in Fig. 1；
Fig. 3 is the partial view of C in Fig. 2；
Fig. 4 is that the utility model embodiment one provides end cap isometric views；
Fig. 5 is the motor sectional view of the utility model embodiment one；
Embodiment：
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " bottom surface ", " axial direction ", " circumference ", " interior ",
The orientation or position relationship of the instruction such as " outer ", " length ", "front", "rear" are based on orientation shown in the drawings or position relationship, only
It is to be described for the ease of description is of the invention with simplified, rather than the device or element of instruction or hint meaning must be with specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple " are meant that two
Individual or two or more.
Embodiment one：
As shown in Figures 1 to 4, a kind of electric motor end cap, the stepped ramp type end cap body 1 of one end open is included, end cap body 1
It is provided with bearing chamber 2 at center, the inside of bearing chamber 2 is provided with bearing chamber 21, and the end cap body is also including First terrace 3 and the
Two step surfaces 4, described bearing block are formed from axial projection on First terrace 3, second step face 4 and the axle of First terrace 3
To from a distance, the opening of inner surface, end cap body in the second step face 4 is protruding with boss 5, described
Bearing chamber 21 includes bottom surface 211 and opening portion 212, sets shaft hole 2111 among the bottom surface 211, and the bottom surface 211 is to opening
Circumferentially extending forms First terrace 3 after oral area 212 is axially extending, after First terrace 3 is axially extending circumferentially extending form the
Two step surfaces 4, joint face 6, the inner surface in the second step face 4 are formed between the First terrace 3 and second step face 4
Junction with the joint face 6 is formed with boss 5, by forming boss in the junction in end cap second step face and joint face
It can effectively prevent BMC material from entering inside bearing chamber,
In order to which the outward flange in the flowing second step face 4 for being more favorable for being beneficial to BMC material is provided with some breach 7.
The breach 7 is evenly distributed on the outward flange in second step face 4.
Some U-shaped breach are provided with the outward flange in second step face, in order to ensure to ensure the premise of end cap bulk strength
Under, the breach quantity and area in increase second step face, the breach 7 is U-shaped opening and quantity is 8, i.e., described breach 7
Radial depth is at least 1/3rd of the radial width d of the second cascaded surface 4, and BMC is reduced during injection and expects impact to end cap body
Power, injection moulded stator is avoided to hold the concentricity change of room greatly with respect to end cap body shaft and prevent flash.
Ball bearing abnormal sound is described caused by gas inside during in order to prevent that plastic packaging motor from assembling can not exclude
There is steam vent 8 on one step surface 3.
Embodiment two：
The utility model provides a kind of plastic packaging motor, including plastic packaging stator component 9, rotor assembly 10, drive end bearing bracket and rear end
Lid, the rotor assembly 10 is in the inside of plastic packaging stator component 9 and is freely rotatable, and the drive end bearing bracket is described in above-described embodiment one
A kind of electric motor end cap, by the improvement to electric motor end cap, so as to improve the quality of motor, reduce product cost and do over again
Rate.
Drive end bearing bracket described in the present embodiment and the injection moulding integrated molding of plastic packaging stator component 9, the rear end cap are removably installed
In the other end of plastic packaging stator component.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of electric motor end cap, include the stepped ramp type end cap body (1) of one end open, be provided with the center of end cap body (1)
Bearing block (2), is provided with bearing chamber (21) inside bearing block (2), and the end cap body (1) is also including First terrace (3) and the
Two step surfaces (4), described bearing block (2) are formed from axial projection on First terrace (3), second step face (4) and first
The axially-spaced segment distance of step surface (3), it is characterised in that：Inner surface, end cap body (1) in the second step face (4)
Opening be protruding with boss (5).
A kind of 2. electric motor end cap according to claim 1, it is characterised in that：Described bearing chamber (21) includes bottom surface
(211) shaft hole (2111) and opening portion (212), is set among the bottom surface (211), and the bottom surface (211) is to opening portion
(212) axially extending rear circumferentially extending forms First terrace (3), circumferentially extending formation after First terrace (3) is axially extending
Second step face (4).
A kind of 3. electric motor end cap according to claim 2, it is characterised in that：The First terrace (3) and second step
Joint face (6) is formed between face (4).
A kind of 4. electric motor end cap according to claim 3, it is characterised in that：The inner surface of the second step face (4) and
The junction of the joint face (6) is formed with boss (5).
5. according to a kind of electric motor end cap described in claim 1 or 2 or 3 or 4, it is characterised in that：The second step face (4)
Outward flange is uniformly provided with some breach (7).
A kind of 6. electric motor end cap according to claim 5, it is characterised in that：The breach (7) is U-shaped opening and quantity
It is 8.
A kind of 7. electric motor end cap according to claim 5, it is characterised in that：The radial depth h of the breach (7) is at least
/ 3rd of second cascaded surface (4) radial width d.
A kind of 8. electric motor end cap according to claim 5, it is characterised in that：There is exhaust on the First terrace (3)
Hole (8).
9. a kind of plastic packaging motor, including plastic packaging stator component (9), rotor assembly (10), drive end bearing bracket and rear end cap, the rotor set
Part (10) is inside plastic packaging stator component (9) and is freely rotatable, it is characterised in that：The drive end bearing bracket is claim 1 to 8 times
Electric motor end cap described in meaning one.
A kind of 10. plastic packaging motor according to claim 9, it is characterised in that：The drive end bearing bracket and plastic packaging stator component (9)
Injection moulding integrated molding, the rear end cap are detachably arranged in the other end of plastic packaging stator component (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720613040.2U CN207069741U (en) | 2017-05-26 | 2017-05-26 | A kind of electric motor end cap and its plastic packaging motor of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720613040.2U CN207069741U (en) | 2017-05-26 | 2017-05-26 | A kind of electric motor end cap and its plastic packaging motor of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207069741U true CN207069741U (en) | 2018-03-02 |
Family
ID=61505130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720613040.2U Active CN207069741U (en) | 2017-05-26 | 2017-05-26 | A kind of electric motor end cap and its plastic packaging motor of application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207069741U (en) |
-
2017
- 2017-05-26 CN CN201720613040.2U patent/CN207069741U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2008080124A5 (en) | ||
| CN105762977B (en) | Motor drive assembly and gear box thereof | |
| WO2016101454A1 (en) | Permanent magnet rotor and direct current brushless motor thereof | |
| CN204243932U (en) | The rotor of motor, motor and air conditioner | |
| US7086843B2 (en) | Cooling fan hub assembly | |
| CN207117337U (en) | Rotor assembly, rotor assembly and motor | |
| CN207069741U (en) | A kind of electric motor end cap and its plastic packaging motor of application | |
| CN101826775A (en) | Servo motor | |
| CN103659163A (en) | Method for manufacturing fan wheel | |
| US12034340B2 (en) | Motor external rotor, brushless permanent magnet motor and electrical product | |
| CN209150820U (en) | End cover clamping structure and plastic package motor | |
| KR101890480B1 (en) | Mold for manufacturing the impeller | |
| CN106253583A (en) | Motor and stator structure thereof | |
| CN110429743A (en) | A kind of motor and its bearing replacing method | |
| CN207968135U (en) | Electric machine | |
| CN206302230U (en) | Brushless DC motor and DC brushless motor and fan | |
| CN206060500U (en) | It is applied to the motor of Automated condtrol | |
| KR20150083681A (en) | Motor rotor and method for manufacturing the same | |
| CN206686059U (en) | A kind of vibrating motor | |
| CN112128137A (en) | Fan blade assembly and manufacturing method thereof | |
| CN105449900A (en) | Plastic-packaged outer rotor motor with mounting feet | |
| CN206498262U (en) | A kind of idle motors integrated stator structure | |
| CN109301952A (en) | End cover clamping structure and plastic package motor | |
| CN201621088U (en) | Deformation resistance structure of air exchange fan | |
| CN210738913U (en) | Fan wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |