CN208158286U - A kind of stator end-cap assembly and motor - Google Patents
A kind of stator end-cap assembly and motor Download PDFInfo
- Publication number
- CN208158286U CN208158286U CN201820820695.1U CN201820820695U CN208158286U CN 208158286 U CN208158286 U CN 208158286U CN 201820820695 U CN201820820695 U CN 201820820695U CN 208158286 U CN208158286 U CN 208158286U
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- stator
- locating slot
- end cap
- location structure
- cap
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Abstract
The utility model provides a kind of stator end-cap assembly and motor, stator end-cap assembly include：Stator (1)；End cap (2), the end cap (2) are arranged in the axial one or both sides of the stator (1)；And locating slot (11) are provided on the stator (1), the locating slot (11) extends from the axial side of the stator (1) towards the axial other side of the stator (1), and the location structure (21) towards the stator (1) protrusion is provided on the end cap (2), and the location structure (21) can match with the locating slot (11) and be inserted in the locating slot (11)；The location structure (21) is inserted into the locating slot (11), to complete close proximity between the two by way of extruding, so that guiding pre-determined bit is completed in the stator (1) and the end cap (2).Axial installation accuracy can be increased by the utility model；And reduces damage of the bearing probability, reduce the fraction defective of motor.
Description
Technical field
The utility model belongs to technical field of motors, and in particular to a kind of stator end-cap assembly and motor.
Background technique
In current plastic packaging motor, stator integrally uses plastic package structure, the end cap for drawing and forming of arranging in pairs or groups, and it is suitable to carry out installation
Match, in the installation process of end cap, since stator and end cap are without positioning, guide frame, equipment and tooling can only be leaned on to be positioned,
Precision is lower.And during the installation process, since mating surface size is smaller, bearing can be made first to contact with bearing chamber, due to bearing category
In precision instrument, the damage of bearing will cause, to increase the failure rate of motor.
It compares each producer's motor to be analyzed, currently used end cap positioning method only considers in circumferencial direction
It positions and fixed.There is no pre-determined bit, the guiding problems before consideration end cap and bearing touch.
In conjunction with production, the rear bearing of plastic packaging motor at present, axis rings that failure rate is high, and the generation of this problem and end cap are without fixed
Position, without guiding in installation process, caused by damage of the bearing have great relationship.
Due to assembly precision is low between stator and end cap in motor in the prior art and assembling process in can make bearing with
Bearing chamber first contacts, and causes the damage of bearing, to increase the technical problems such as the failure rate of motor, therefore the utility model is studied
Design a kind of stator end-cap assembly and motor.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome stator and end cap in motor in the prior art to exist
The low defect of assembly precision in assembling process, to provide a kind of stator end-cap assembly and motor.
The utility model provides a kind of stator end-cap assembly comprising：
Stator；
The axial one or both sides of the stator are arranged in end cap, the end cap；
It is provided with locating slot on the stator, the locating slot is from the axial side of the stator towards the stator
The axial other side extends, and the location structure protruded towards the stator is provided on the end cap, and the location structure energy
It is enough to match and be inserted in the locating slot with the locating slot；The location structure is inserted into described fixed by way of extruding
In the slot of position, to complete close proximity between the two so that the stator and the end cap complete guiding pre-determined bit.
Preferably,
The location structure is protrusion rib.
Preferably,
The length of the protrusion rib is less than or equal to the length of the locating slot, and/or, the width of the protrusion rib
Size is less than or equal to the groove width size of the locating slot.
Preferably,
The locating slot is taken shape in by way of punching press on the periphery wall of the stator, and the location structure passes through punching press
Mode and the end cap be integrally formed.
Preferably,
The extending direction of the locating slot is parallel with the central axial direction of the stator, alternatively, the locating slot
There is the not slanted angle for 0 in the central axial direction of extending direction and the stator.
Preferably,
The locating slot is along the multiple of stator circumferential direction arrangement setting, and the location structure is also along the end
The circumferential direction arrangement setting of lid it is multiple, and the locating slot and the location structure correspond and connect.
Preferably,
The locating slot is two, two locating slots are symmetrically set relative to the central axis of the stator in 180 °
It sets, the location structure is also two, two location structures are symmetrically set relative to the central axis of the end cap in 180 °
It sets.
Preferably,
The central axis of the stator and the central axis of the end cap coincide.
The utility model also provides a kind of motor comprising preceding described in any item stator end-cap assemblies.
Preferably,
Further include bearing, the bearing is set between the stator and the end cap, and be installed in end cap it is described fixed
In the process of son, the location structure first contacts with the locating slot, contacts after the end cap and the bearing.
A kind of stator end-cap assembly and motor provided by the utility model have the advantages that：
The utility model on the stator by being provided with locating slot, and the locating slot is from the axial side of the stator
Extend towards the axial other side of the stator, and is provided with the positioning knot towards the direction of stator protrusion on the end cap
Structure, and the location structure can match with the locating slot and be inserted in the locating slot, it can be in end cap and stator
Carry out pre-determined bit and fixed function during the installation process, generate the effect of a pre-installation positioning, when installation can effectively into
Row axially position increases axial installation accuracy, can effectively reduce the error of motor during the installation process；And it can make
End cap is first contacted with stator when must install, and generates guiding role, avoid bearing and end cap from first contacting and cause bearing damage or
Person reduces damage of the bearing probability, reduces the fraction defective of motor.
Detailed description of the invention
Fig. 1 is the positive structure schematic after installing between stator and end cap in the prior art；
Fig. 2 is the positive structure schematic after installing between stator and end cap in the utility model；
Fig. 3 is the schematic perspective view after installing between stator and end cap in the utility model；
Fig. 4 is the schematic perspective view of stator in Fig. 3；
Fig. 5 is the schematic perspective view of end cap in Fig. 3.
Appended drawing reference is expressed as in figure：
1, stator；11, locating slot；2, end cap；21, location structure；3, bearing.
Specific embodiment
As shown in Figure 1, in installation process, end cap 2 first contacts the stator and end cap installation process of the prior art with bearing 3,
It is contacted after end cap 2 and stator 1, will lead to bearing in this way and be easy to cause damage, and the assembly precision between end cap and stator is low.
As in Figure 2-4, the utility model provides a kind of stator end-cap assembly comprising：
Stator 1；
The axial one or both sides of the stator 1 are arranged in end cap 2, the end cap 2；
And locating slot 11 is provided on the stator 1, the locating slot 11 is from the axial side of the stator 1 towards institute
The axial other side for stating stator 1 extends, and the location structure 21 protruded towards the stator 1 is provided on the end cap 2, and institute
Stating location structure 21 can match with the locating slot 11 and be inserted in the locating slot 11；The location structure 21 passes through
The mode of extruding is inserted into the locating slot 11, to complete close proximity between the two, so that the stator 1 and the end cap
2 complete guiding pre-determined bit.
By being provided with locating slot on the stator, the locating slot is from the axial side of the stator towards described fixed
The axial other side of son extends, and the location structure towards the direction of stator protrusion is provided on the end cap, and described fixed
Bit architecture can match with the locating slot and be inserted in the locating slot, can end cap and stator during the installation process
Pre-determined bit and fixed function are carried out, the effect of a pre-installation positioning is generated, when installation can effectively carry out axially position, increase
Add axial installation accuracy, can effectively reduce the error of motor during the installation process；And end cap when can to install
It is first contacted with stator, is contacted after end cap and bearing, guiding role is generated between stator and end cap, bearing is avoided first to contact with end cap
And cause the damage of bearing or reduce damage of the bearing probability, to reduce the fraction defective of motor.It will be determined by way of extruding
It in bit architecture insertion locating slot, can be assembled for using the modes such as screw more simple, and cooperation is more closely
With it is secured.
During the installation process, positioning accuracy is low for the current electric motor end cap and stator proposed for background, and assembly effect is poor, easily
The damage of bearing and the problem that motor is bad are caused, proposes a kind of new injection moulded stator and end cover structure, makes to reach after collocation to mention
High assembly precision, the effect for reducing motor fraction defective.
The utility model uses the stator with positioning and mounting groove to match with the end cap with positioning and mounting structure, is installing
In the process, the location structure of end cap is first contacted with stator position location, reaches good locating effect and certain pre-installation
Effect can largely reduce the damage of bearing so that bearing and end cap be made not to generate excessive stress when contacting
And the fraction defective of motor.
The utility model designs a kind of novel injection moulded stator, the mounting groove with a positioning, guiding；Design a kind of end
Lid, with positioning, guide mounting structure；The structure of this patent be the punching press of end cap entirety, realize simple process and low cost, cut with
Plastic packaging stator collocation, realization is simpler, cuts without bolt structure, passes through and squeeze, clamps end cover structure.
The mounting structure arranged in pairs or groups using this end cap and injection moulded stator, makes the positioning and mounting structure of end cap and the peace of injection moulded stator
Tankage matches；Using the motor of this structure, when installation, can effectively carry out axially position, reduce installation error；Using this
The motor of structure can be such that end cap first contacts with stator, generate guiding role, avoid bearing from first contacting, cause the damage of bearing.
The utility model has the following advantages that：
Type injection-molding stator structure of the invention circumferentially opens two locating slots, easy to accomplish；
End cover structure of the invention increases by two location structures compared with this drive end bearing bracket, and punching press can be realized；
End cap of the present invention can preferably be cooperated with injection moulded stator, realize that axially position and installation are fixed；
Structure of the invention design, can effectively reduce installation error；
Structure of the invention, can avoid bearing when installation and the Touch error of end cap is excessive, reduce damage of the bearing probability.
The inventive point of the utility model is：
A kind of plastic packaging stator with installation slot structure positioned with installation with guiding role in one is designed, and a kind of
End cap with installation and positioning structure, the two can work in coordination, and carry out positioning and fixed function during the installation process.
The error of motor during the installation process can effectively be reduced, increase axial installation accuracy, generate a pre- peace
Set the effect of position；When installation, end cap is first contacted with stator, there is certain positioning action after contact, to make bearing and end cap
Contact precision it is higher, avoid because precision it is insufficient caused by damage of the bearing, the final fraction defective for reducing motor.
Preferably,
The location structure 21 is protrusion rib.This is the preferred constructive form of the location structure of the utility model, can
More efficiently convenient for plugging cooperation with the locating slot on stator, as shown in Figures 3 and 5.
Preferably,
The length of the protrusion rib is less than or equal to the length of the locating slot 11, and/or, the width of the protrusion rib
Spend the groove width size that size is less than or equal to the locating slot 11.The length for protruding rib is set smaller than to or is equal to locating slot
Length, enable to during stator and end cap are installed, allow to protrude played in rib insertion locating slot pre-determined bit and
While guiding role, enable and fitted closely after being installed between end cap and stator, prevents the length of protrusion rib too long
(being longer than locating slot) and cause to generate gap between end cap and stator, prevent sealing loosely the problem of；Rib will be protruded
Width dimensions, which are set smaller than, is equal to the groove width size that ground can be completed, and can successfully allow to protrude in rib insertion locating slot,
Effect that is normal and favorably accomplishing pre-determined bit and guiding installation.
Preferably,
The locating slot 11 is taken shape in by way of punching press on the periphery wall of the stator 1, and the location structure 21 is logical
The mode and the end cap 2 for crossing punching press are integrally formed.This is the locating slot of the utility model and the preferred molding side of location structure
Formula enables to end cap and locating slot integrated punching to form by way of punching press, and can also make location structure and end cap one
Molding, simple process and low cost, end cap and plastic packaging stator are arranged in pairs or groups, and realization is simpler, and are not necessarily to bolt structure, by squeezing,
Clamp end cover structure.
Preferably,
The extending direction of the locating slot 11 is parallel with the central axial direction of the stator 1, alternatively, the locating slot
There is the not slanted angle for 0 in the central axial direction of 11 extending direction and the stator 1.Extension side is set by locating slot
It easy to process can be manufactured to parallel with stator center axis direction, and in the axial direction convenient for matching protrusion rib
It is inserted into locating slot, so that assembly is simple and convenient, but sets locating slot to the central axis side of extending direction Yu the stator
It can be in the installation of end cap that is, so that there are gradients between locating slot and central axis for 0 slanted angle to existing
Cheng Zhong enables between protrusion rib and locating slot grafting to obtain tighter so that assembled between end cap and stator it is tighter so that knot
Structure is more firm, not easily to fall off.
Preferably,
The locating slot 11 is along the multiple of 1 circumferential direction of stator arrangement setting, and the location structure 21 is also edge
The circumferential direction arrangement setting of the end cap 2 it is multiple, and the locating slot 11 and the location structure 21 correspond and connect.
This is the locating slot of the utility model and the further setting form of location structure, that is, is set as being circumferentially arranged multiple, energy
Enough different locations in circumferential direction further increase pre-determined bit to the effect for being pre-positioned and being oriented to is generated between end cap and stator
And guiding role, and improve the combination fastness between end cap and stator.
Preferably,
The locating slot 11 is two, two locating slots 11 are right in 180 ° relative to the central axis of the stator 1
Claim setting, the location structure 21 is also two, two location structures 21 relative to the central axis of the end cap 2 are in
180 ° are symmetrical arranged.This is the locating slot of the utility model and the further preferred number and structure type of location structure, can
Symmetrically and make structure simple, and stress is symmetrical and uniform, the effect for improving pre-determined bit and being oriented to, and improve between end cap and stator
Combination fastness.
Preferably,
The central axis of the stator 1 and the central axis of the end cap 2 coincide.This is the further of the utility model
Preferred constructive form, enable to can to generate between stator and end cap it is close it is close be bonded, can be to stator by end cap
Protective effect is generated, and further increases the assembly precision between location structure and locating slot, improves assembly efficiency.
The utility model also provides a kind of motor comprising preceding described in any item stator end-cap assemblies.By using preceding
The stator end-cap assembly stated can carry out during the installation process pre-determined bit and fixed function in end cap and stator, generate one in advance
The effect of positioning is installed, when installation can effectively carry out axially position, increase axial installation accuracy, can effectively reduce
The error of motor during the installation process
It preferably, further include bearing 3, the bearing 3 is set between the stator 1 and the end cap 2, and in end cap 2
During being installed on the stator 1, the location structure 21 first contacted with the locating slot 11, the end cap 2 and the axis
It is contacted after holding 3.End cap when installation can be made first to contact with stator in this way, guiding role is generated, bearing is avoided first to connect with end cap
It touches and causes the damage of bearing or reduce damage of the bearing probability, to reduce the fraction defective of motor.
The utility model structure is simple, easy to accomplish, is conducive to promotion and application using the motor of this structure, specific to design
Scheme is as follows：
1, the stator that the present invention designs, with positioning and installing slot structure, the size of specific slot can be according to motor size
Depending on, and slot has certain gradient；(Fig. 3)
2, the end cap that the present invention designs is matched with the mounting groove of stator, is dimensioned slightly smaller than with positioning and mounting structure
Groove width；(Fig. 3)
3, using the stator of this structure and end cap matching chart, the locating plate of end cap is matched with the mounting groove of stator,
Have the function that positioning and installation；(Fig. 4)
4, using the stator of this structure and end cap fiting effect figure, during the installation process, end cap is first contacted with stator, is played
The effect of pre-determined bit promotes positioning accuracy, and it is impaired to reduce bearing；(Fig. 5)
5, the location and installation slot of stator has certain gradient, can make in the installation process of end cap, sufficiently compresses, makes to tie
Structure is relatively reliable.
6, when design of electrical motor, according to factors such as the specific sizes of motor, suitable locating slot size and gradient are chosen；
7, according to locating slot size, the structure and size of end cap locating plate are determined；
8, during the installation process, commissioning device allows location structure to fully play effect.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.The above is only the preferred embodiment of the utility model, it is noted that for the art
For those of ordinary skill, without deviating from the technical principle of the utility model, several improvements and modifications can also be made,
These improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of stator end-cap assembly, it is characterised in that：Including：
Stator (1)；
End cap (2), the end cap (2) are arranged in the axial one or both sides of the stator (1)；
And locating slot (11) are provided on the stator (1), axial side court of the locating slot (11) from the stator (1)
Extend to the axial other side of the stator (1), and is provided with the positioning towards the stator (1) protrusion on the end cap (2)
Structure (21), and the location structure (21) can match with the locating slot (11) and be inserted in the locating slot (11)
In；
The location structure (21) is inserted into the locating slot (11), to complete close phase between the two by way of extruding
It connects, so that guiding pre-determined bit is completed in the stator (1) and the end cap (2).
2. stator end-cap assembly according to claim 1, it is characterised in that：
The location structure (21) is protrusion rib.
3. stator end-cap assembly according to claim 2, it is characterised in that：
The length of the protrusion rib is less than or equal to the length of the locating slot (11), and/or, the width of the protrusion rib
Size is less than or equal to the groove width size of the locating slot (11).
4. stator end-cap assembly according to claim 1, it is characterised in that：
The locating slot (11) is taken shape in by way of punching press on the periphery wall of the stator (1), the location structure (21)
It is integrally formed by way of punching press with the end cap (2).
5. stator end-cap assembly according to claim 1, it is characterised in that：
The extending direction of the locating slot (11) is parallel with the central axial direction of the stator (1), alternatively, the locating slot
(11) there is the not slanted angle for 0 in the central axial direction of extending direction and the stator (1).
6. stator end-cap assembly according to claim 1, it is characterised in that：
The locating slot (11) is along the multiple of the stator (1) circumferential direction arrangement setting, and the location structure (21) is also
Arranging along the circumferential direction of the end cap (2), it is multiple to be arranged, and the locating slot (11) and the location structure (21) are one by one
Correspondence connects.
7. stator end-cap assembly according to claim 6, it is characterised in that：
The locating slot (11) be two, two locating slots (11) relative to the stator (1) central axis be in 180 °
It is symmetrical arranged, the location structure (21) is also two, center of two location structures (21) relative to the end cap (2)
Axis is symmetrical arranged in 180 °.
8. stator end-cap assembly according to claim 7, it is characterised in that：
The central axis of the central axis and the end cap (2) of the stator (1) coincides.
9. a kind of motor, it is characterised in that：Including stator end-cap assembly of any of claims 1-8.
10. motor according to claim 9, it is characterised in that：It further include bearing (3), the bearing is set to described fixed
Between the sub and described end cap, and during end cap is installed on the stator, the location structure and the locating slot it is first
It is contacted after contact, the end cap and the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820820695.1U CN208158286U (en) | 2018-05-29 | 2018-05-29 | A kind of stator end-cap assembly and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820820695.1U CN208158286U (en) | 2018-05-29 | 2018-05-29 | A kind of stator end-cap assembly and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158286U true CN208158286U (en) | 2018-11-27 |
Family
ID=64388826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820820695.1U Active CN208158286U (en) | 2018-05-29 | 2018-05-29 | A kind of stator end-cap assembly and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208158286U (en) |
-
2018
- 2018-05-29 CN CN201820820695.1U patent/CN208158286U/en active Active
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