CN202586706U - Magnetic steel assembly of idle speed stepper motor - Google Patents
Magnetic steel assembly of idle speed stepper motor Download PDFInfo
- Publication number
- CN202586706U CN202586706U CN 201220131999 CN201220131999U CN202586706U CN 202586706 U CN202586706 U CN 202586706U CN 201220131999 CN201220131999 CN 201220131999 CN 201220131999 U CN201220131999 U CN 201220131999U CN 202586706 U CN202586706 U CN 202586706U
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- CN
- China
- Prior art keywords
- core
- bearing
- idle speed
- steel assembly
- magnetic steel
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- 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.)
- Expired - Fee Related
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to a magnetic steel assembly of an idle speed stepper motor, which comprises a rotating core, magnetic steel, a core mandrel, a bearing and a fixing ring, wherein the outer surface of the rotating core is coated with the magnetic steel, the core mandrel penetrates into the rotating core, the bearing is sleeved at an end of the rotating core, the fixing ring is used for preventing the bearing from slipping axially, at least one L-shaped groove is transversely arranged on the inner side of the fixing ring, protruding points which are matched with the L-shaped grooves are arranged on the end of the rotating core which is sleeved with the bearing, and the protruding points of the rotating core are embedded in the L-shaped grooves of the fixing ring. The magnetic steel assembly of the idle speed stepper motor enables the rotating core and the fixing ring to be embedded in the L-shaped grooves through the protruding points, such that slipping-out of the bearing and ageing of the rotating core can be avoided.
Description
Technical field
The utility model relates to the field of IAC, especially a kind of idle speed step motor magnet steel assembly.
Background technology
The step motor type IAC is to use maximum a kind of idle speed controllers in the world at present.The aperture that is used for automobile electronic fuel oil jet system bypath air passage, thus bypass tolerance regulated, make the transmitter rotating speed reach desired desired value; The rotor that its structure mainly is made up of permanent magnetism; The stator that magnetizing coil constitutes and convert straight-line feed screw and valve etc. to rotatablely moving and partly forms, it utilizes the stairstep signal of system's supply to carry out conversion and control, and rotor can just be changeed; Also can reverse; Thereby spool (leading screw) carries out stretching motion reaching the purpose of regulating cross section, bypath air road, thus stable idle, and reach desirable idling speed.
The commentaries on classics core that uses in the IAC that uses at present is with after bearing combines; In order to prevent that the bearing axial slip from going out, need on the end edge of changeing core, utilize electric welding iron heating edge, make its edge spreading form a beading; Such mode causes easily changes the aging of core; Thereby cause changeing in the core process, the slippage of bearing, influence is used.
The utility model content
The technical problem that the utility model will solve is: in order to overcome the above-mentioned middle problem that exists, a kind of idle speed step motor magnet steel assembly is provided, its project organization is reasonable and can avoid aging.
The utility model solves the technical scheme that its technical problem adopted: a kind of idle speed step motor magnet steel assembly; Comprise and change core, be coated on the magnet steel that changes on the core outer surface, be set in the mandrel that changes in-core and be nested with and changeing bearing on the core end and the retainer plate that prevents the bearing axial slip; Laterally offer at least one L type groove on the described retainer plate medial surface; The end that is equipped with the commentaries on classics core of bearing is provided with the salient point that matches with L type groove, and described retainer plate is screwed on the salient point that changes core through L type groove.
In order to make retainer plate and to change combine between the core more firm, be provided with glue between described retainer plate and the commentaries on classics core.
The beneficial effect of the utility model is: the idle speed step motor magnet steel assembly of the utility model, adopt this kind magnet steel assembly, and commentaries on classics core and retainer plate are embedded in the L type groove through salient point, can avoid the slippage of bearing and wearing out of commentaries on classics core.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the whole sectional arrangement drawing of the idle speed step motor magnet steel assembly of the utility model;
Fig. 2 is the structural representation of the middle retainer plate of Fig. 1;
Fig. 3 is the cutaway view of retainer plate among Fig. 2.
1. change cores among the figure, 11. salient points, 2. magnet steel, 3. mandrel, 4. bearing, 5. retainer plate, 51.L type groove.
Embodiment
Combine accompanying drawing that the utility model is done further detailed explanation now.These accompanying drawings are the sketch map of simplification, the basic structure of the utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Idle speed step motor magnet steel assembly as shown in Figure 1; Comprise and change core 1, be coated on the magnet steel 2 that changes on core 1 outer surface, be set in to change the mandrel 3 in the core 1 and be nested with and changeing bearing 4 on core 1 end and the retainer plate 5 that prevents bearing 4 axial slips; Magnet steel 3 is to be magnetized by 6 pairs of utmost points, and table magnetic 1200GS can normally use in-40 ℃～-130 ℃ environment; Antirust processing has also been carried out on surface at magnet steel 15; Laterally offer two L type grooves 51 on described retainer plate 5 medial surfaces, the end that is equipped with the commentaries on classics core 1 of bearing 4 is provided with the salient point 11 that matches with L type groove 51, and the salient point 11 that changes core 1 is embedded in the L type groove 51 of retainer plate 5; Between retainer plate 6 and commentaries on classics core 2, be provided with glue, can play the firm effect of reinforcing.
The operation principle of the step motor type IAC of the utility model: the rotor that stepping motor type IAC is made up of permanent magnetism; The stator that magnetizing coil constitutes and convert straight-line feed screw and valve etc. to rotatablely moving and partly form; The stairstep signal that it utilizes system to supply with carries out conversion and control; Rotor can just be changeed, also can reverse, thereby spool (leading screw) carries out stretching motion to reach the purpose of regulating cross section, bypath air road; Thereby stable idle, and reach desirable idling speed.
With above-mentioned desirable embodiment according to the utility model is enlightenment, and through above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the specification, must confirm its technical scope according to the claim scope.
Claims (3)
1. idle speed step motor magnet steel assembly; It is characterized in that: comprise changeing core (1), be coated on the magnet steel (2) that changes on core (1) outer surface, be set in the mandrel (3) that changes in the core (1) and be nested with bearing (4) on commentaries on classics core (1) end and the retainer plate (5) that prevents bearing (4) axial slip; Laterally offer at least one L type groove (51) on described retainer plate (5) medial surface; The end that is equipped with the commentaries on classics core (1) of bearing (4) is provided with the salient point (11) that matches with L type groove (51), and the salient point (11) of described commentaries on classics core (1) is embedded in the L type groove (51) of retainer plate (5).
2. idle speed step motor magnet steel assembly according to claim 1 is characterized in that: be provided with glue between described retainer plate (5) and the commentaries on classics core (1).
3. idle speed step motor magnet steel assembly according to claim 1 is characterized in that: the quantity of described L type groove (51) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220131999 CN202586706U (en) | 2012-03-30 | 2012-03-30 | Magnetic steel assembly of idle speed stepper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220131999 CN202586706U (en) | 2012-03-30 | 2012-03-30 | Magnetic steel assembly of idle speed stepper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586706U true CN202586706U (en) | 2012-12-05 |
Family
ID=47256068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220131999 Expired - Fee Related CN202586706U (en) | 2012-03-30 | 2012-03-30 | Magnetic steel assembly of idle speed stepper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202586706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629816A (en) * | 2012-03-30 | 2012-08-08 | 常州市美特精密电机有限公司 | Magnetic steel assembly of idle speed stepper motor |
-
2012
- 2012-03-30 CN CN 201220131999 patent/CN202586706U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629816A (en) * | 2012-03-30 | 2012-08-08 | 常州市美特精密电机有限公司 | Magnetic steel assembly of idle speed stepper motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140330 |