CN205070626U - Motor stator of non -circular inner chamber has set support - Google Patents
Motor stator of non -circular inner chamber has set support Download PDFInfo
- Publication number
- CN205070626U CN205070626U CN201520868972.2U CN201520868972U CN205070626U CN 205070626 U CN205070626 U CN 205070626U CN 201520868972 U CN201520868972 U CN 201520868972U CN 205070626 U CN205070626 U CN 205070626U
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- inner chamber
- support
- circular
- circular inner
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Abstract
The utility model discloses a motor stator of non -circular inner chamber has set support. The utility model discloses a there is set support with support and bush through inserts injection moulding is as an organic whole, the inner chamber that has set support is non -circular inner chamber, the owner of non -circular inner chamber looks the projection and serves as reasons four isometric circular arc lines and crossing and surely connect the positive quadrangle in arc limit that encloses in the four corners by transition circular arc on -line, the radius of circular arc line is greater than the radius of rotor imagination circle, rotor imagination circle is located the center of non -circular inner chamber, every the mid point of circular arc line with clearance minimum between the rotor imagination circle is called minimum clearance point, when using, utilize that non -circular inner chamber is difficult to be taken place deformation and avoid wiping the jar phenomenon, the magnetic shoe is fixed through the mode with casing interference fit to the support simultaneously, and both the technical scheme that the casing was reprocessed to the magnetic shoe was easily dismantled again to reducible process of scribbling AB glue, made the assembly of car power -assisted steering motor, has reached simplifying processing, has raised the efficiency, reduce cost's purpose.
Description
Technical field
The utility model relates to a kind of motor stator bracket, specifically refers to that the motor stator of a kind of non-circular inner chamber for motor turning assist motor has cover support.
Background technology
Motor stator bracket is the load bearing component for fixed stator magnetic shoe, the motor stator bracket of prior art is provided with the lining of isolation magnetic shoe in order to prevent magnetic shoe chip from endangering, consult Chinese patent, with the motor stator bracket 201220024046.3 of magnetic shoe dividing busing, hereinafter referred to as there being cover support;
Prior art have the cross section of the inner chamber of cover support for positive circular, the outer rim of rotor and have the gap overlapped and be provided with annular between rack bore; Because annular gap is very little, careless slightly when the unsteadiness of support and assembling, lining all can be made to be out of shape, to cause the outer rim of rotor can rub with having the lining overlapping rack bore, be wiping cylinder, in addition, adopt AB glue bond with fixing magnetic shoe between magnetic shoe and casing, assembly technology is loaded down with trivial details, inefficiency, cost of labor is high, and because of the non-disconnectable property of AB glue, causes casing surface tear, damage and cannot reprocess.Therefore, there are the problems and shortcomings that assembly technology is loaded down with trivial details, efficiency is low, casing surface damage cannot be reprocessed, cost is high in prior art.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, what support and lining were integrated through insert injection molding by the utility model employing has cover support, follow loop-shaped in being formed after being assembled by four magnetic shoes to make mainly look projection in non-circular inner chamber by there being the inner chamber of cover support, the master of described non-circular inner chamber is intersected and the arc limit square surrounded by transition circle camber line inscribe connection corner by four isometric circular arc lines depending on being projected as; The radius of described circular arc line is greater than rotor imagination radius of a circle, described rotor imaginary circle is positioned at the center of described non-circular inner chamber, gap between the mid point of circular arc line described in every bar and described rotor imaginary circle is minimum is called minimum clearance point, and the gap of all positions is all greater than minimum clearance point in addition; In addition, support fixes magnetic shoe by the mode of projection and casing interference fit, both can reduce the operation being coated with AB glue, can dismantle again magnetic shoe and reprocess casing; Like this periphery of lining and rotor is formed the gap of circular loop and fixed the technical scheme of magnetic shoe by support projection interference fit, a kind of motor stator of non-circular inner chamber is provided to have cover support, be intended to utilize non-circular inner chamber not easily deformation generation wiping cylinder, and fix magnetic shoe by interference fit, reduce the operation being coated with AB glue, make the assembling of motor turning assist motor, the object reach Simplified flowsheet, raise the efficiency, reducing costs.
The purpose of this utility model is achieved in that a kind of motor stator of non-circular inner chamber has cover support, is called for short and has cover support, and described have cover support to be by support and the lining integrated device through insert injection molding; Described support is be connected to by both sides before and after the pillar of four uniform spline-simulatings the nylon matter caged component that an annulus forms, and the described annulus in two, front and back of described pillar is called cage ring; The flange being provided with rectangle above of described cage ring and described pillar junction is called projection;
Be provided with one in support and be called lining by the thin cylinder of the stainless steel of 0.1 millimeters thick; The rear and front end of described lining is fixedly connected with described cage ring respectively;
Have the inner chamber master of cover support to be called non-circular inner chamber depending on projection in non-circular, the master of described non-circular inner chamber to be intersected by four isometric circular arc lines depending on being projected as and being connected the arc limit square that corner surrounds by transition circle camber line inscribe; The midpoint of the described transition circle camber line of described lining lateral wall contacts with the medial surface of described pillar is tangent; The radius of described circular arc line is greater than rotor imagination radius of a circle, described rotor imaginary circle is positioned at the center of described non-circular inner chamber, gap between the mid point of circular arc line described in every bar and described rotor imaginary circle is minimum is called minimum clearance point, and the gap of all positions is all greater than described minimum clearance point in addition; Warp in the casing that the external diameter of described projection is greater than motor, forms interference fit when having cover support to load casing.
In the face, direction of said structure statement, before be face in the face of this device front view, after be and described before relative face.
Operation principle and beneficial effect
In the groove that during application, magnetic shoe is embedded with the cover described cage ring of support, pillar and lining surround, then overlap support be pressed into having together with magnetic shoe in the casing of motor, make magnetic shoe be fixed in casing by the interference fit of the projection on support cage ring and casing; Because of the design of non-circular lining, except minimum clearance point keeps except original design gaps, the gap of other all position is all greater than the gap of prior art, therefore greatly reduces the appearance that substantially avoided in other words and wipe cylinder; Separately because of the interference fit of projection and casing, magnetic shoe being firmly fixed in casing, fixing without the need to being coated with AB glue again.
This apparatus structure is simple, be easy to batch machining, utilize non-circular inner chamber not easily deformation to occur, and instead of the mode of fixing magnetic shoe with AB glue by projection and casing interference fit, simplify the assembly technology of motor turning assist motor, improve efficiency, reduce cost.
Above-mentioned, what support and lining were integrated through insert injection molding by the utility model employing has cover support, follow loop-shaped in being formed after being assembled by four magnetic shoes to make mainly look projection in non-circular inner chamber by there being the inner chamber of cover support, the master of described non-circular inner chamber is intersected and the arc limit square surrounded by transition circle camber line inscribe connection corner by four isometric circular arc lines depending on being projected as; The radius of described circular arc line is greater than rotor imagination radius of a circle, described rotor imaginary circle is positioned at the center of described non-circular inner chamber, gap between the mid point of circular arc line described in every bar and described rotor imaginary circle is minimum is called minimum clearance point, and the gap of all positions is all greater than minimum clearance point in addition; In addition, support fixes magnetic shoe by the mode of projection and casing interference fit, both can reduce the operation being coated with AB glue, can dismantle again magnetic shoe and reprocess casing; Like this periphery of lining and rotor is formed the gap of circular loop and fixed the technical scheme of magnetic shoe by support projection interference fit, overcome prior art and have that assembly technology is loaded down with trivial details, efficiency is low, not easily reprocess, problems and shortcomings that cost is high, the motor stator of a kind of non-circular inner chamber provided has cover support, make the assembling of motor turning assist motor, the object reach Simplified flowsheet, raise the efficiency, reducing costs.
Accompanying drawing explanation
Fig. 1 is that the motor stator of a kind of non-circular inner chamber of the present utility model has the master of cover support to look sectional structure schematic diagram, and magnetic shoe 7 is housed in figure;
Fig. 2 is that the motor stator of a kind of non-circular inner chamber of the present utility model has the axle of cover support to measure intention;
Fig. 3 is that the axle of the magnetic shoe 7 of prior art motor turning assist motor measures intention.
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but should not be construed as any restriction of the present utility model.
In figure: have cover support 1, support 11, lining 12, cage ring 13, pillar 14, projection 15, circular arc line 2, transition circle camber line 3, rotor imaginary circle 4, non-circular inner chamber 5, minimum clearance point 6, magnetic shoe 7.
Embodiment
Consult Fig. 1 ~ Fig. 3, the motor stator of a kind of non-circular inner chamber of the present utility model has cover support, is called for short and has cover support 1, and described have cover support 1 to be by support 11 and lining 12 integrated device through insert injection molding; Described support 11 is that before and after the pillar 14 by four uniform spline-simulatings, both sides are connected to the nylon matter caged component that an annulus forms, and the described annulus in two, front and back of described pillar 14 is called cage ring 13; Described cage ring 13 is called projection 15 with the flange being provided with rectangle above of described pillar 14 junction;
Be provided with one in support 11 and be called lining 12 by the thin cylinder of the stainless steel of 0.1 millimeters thick; The rear and front end of described lining 12 is fixedly connected with described cage ring 13 respectively;
Have the inner chamber master of cover support 1 to be called non-circular inner chamber 5 depending on projection in non-circular, the master of described non-circular inner chamber 5 to be intersected by four isometric circular arc lines 2 depending on being projected as and being connected the arc limit square that corner surrounds by transition circle camber line 3 inscribe; The midpoint of the described transition circle camber line 3 of described lining 12 lateral wall contacts with the medial surface of described pillar 14 is tangent; The radius of described circular arc line 2 is greater than the radius of rotor imaginary circle 4, described rotor imaginary circle 4 is positioned at the center of described non-circular inner chamber 5, gap between the mid point of circular arc line 2 described in every bar and described rotor imaginary circle 4 is minimum is called minimum clearance point 6, and the gap of all positions is all greater than described minimum clearance point 6 in addition; Warp in the casing that the external diameter of described projection 15 is greater than motor, forms interference fit when having cover support 1 to load casing.
In the face, direction of said structure statement, before be face in the face of this device front view, after be and described before relative face.
Operation principle and beneficial effect
During application, in the groove that magnetic shoe 7 is embedded with the cover described cage ring 13 of support 1, pillar 14 and lining 12 surround, again by there being cover support 1 to be pressed in the casing of motor together with magnetic shoe 7, magnetic shoe is made to be fixed in casing by the projection 15 on support cage ring 13 with the interference fit of casing; Because of the design of non-circular lining, except minimum clearance point 6 keeps except original design gaps, the gap of other all position is all greater than the gap of prior art, therefore greatly reduces the appearance that substantially avoided in other words and wipe cylinder; Separately because of projection 15 and the interference fit of casing, magnetic shoe being firmly fixed in casing, fixing without the need to being coated with AB glue again.
This apparatus structure is simple, be easy to batch machining, utilize non-circular inner chamber 5 not easily deformation to occur, and instead of the mode of fixing magnetic shoe with AB glue by projection 15 and casing interference fit, simplify the assembly technology of motor turning assist motor, improve efficiency, reduce cost.
Claims (1)
1. the motor stator of a non-circular inner chamber has cover support, be called for short and have cover support (1), it is characterized in that: described have cover support (1) to be by support (11) and lining (12) integrated device through insert injection molding; Described support (11) is that before and after the pillar (14) by four uniform spline-simulatings, both sides are connected to the nylon matter caged component that an annulus forms, and the described annulus in two, front and back of described pillar (14) is called cage ring (13); Described cage ring (13) is called projection (15) with the flange being provided with rectangle above of described pillar (14) junction;
Be provided with one in support (11) and be called lining (12) by the thin cylinder of the stainless steel of 0.1 millimeters thick; The rear and front end of described lining (12) is fixedly connected with described cage ring (13) respectively;
Have the inner chamber master of cover support (1) to be called non-circular inner chamber (5) depending on projection in non-circular, the master of described non-circular inner chamber (5) to be intersected by four isometric circular arc lines (2) depending on being projected as and being connected the arc limit square that corner surrounds by transition circle camber line (3) inscribe; The midpoint of the described transition circle camber line (3) of described lining (12) lateral wall contacts with the medial surface of described pillar (14) is tangent; The radius of described circular arc line (2) is greater than the radius of rotor imaginary circle (4), described rotor imaginary circle (4) is positioned at the center of described non-circular inner chamber (5), gap between the mid point of circular arc line (2) described in every bar and described rotor imaginary circle (4) is minimum is called minimum clearance point (6), and the gap of all positions is all greater than described minimum clearance point (6) in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868972.2U CN205070626U (en) | 2015-10-27 | 2015-10-27 | Motor stator of non -circular inner chamber has set support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868972.2U CN205070626U (en) | 2015-10-27 | 2015-10-27 | Motor stator of non -circular inner chamber has set support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070626U true CN205070626U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520868972.2U Expired - Fee Related CN205070626U (en) | 2015-10-27 | 2015-10-27 | Motor stator of non -circular inner chamber has set support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070626U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849404A (en) * | 2016-12-12 | 2017-06-13 | 国电南京自动化股份有限公司 | The vertical machine stator structure of stator side fluting |
| CN111722161A (en) * | 2020-06-08 | 2020-09-29 | 横店集团东磁股份有限公司 | Magnetic shoe testing device and method |
-
2015
- 2015-10-27 CN CN201520868972.2U patent/CN205070626U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849404A (en) * | 2016-12-12 | 2017-06-13 | 国电南京自动化股份有限公司 | The vertical machine stator structure of stator side fluting |
| CN111722161A (en) * | 2020-06-08 | 2020-09-29 | 横店集团东磁股份有限公司 | Magnetic shoe testing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20171027 |