CN201226458Y - Motor structure capable of reducing magnetic path interference - Google Patents
Motor structure capable of reducing magnetic path interference Download PDFInfo
- Publication number
- CN201226458Y CN201226458Y CNU2008201270686U CN200820127068U CN201226458Y CN 201226458 Y CN201226458 Y CN 201226458Y CN U2008201270686 U CNU2008201270686 U CN U2008201270686U CN 200820127068 U CN200820127068 U CN 200820127068U CN 201226458 Y CN201226458 Y CN 201226458Y
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- Prior art keywords
- yoke
- cap
- group
- magnetic circuit
- lowers
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- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims description 13
- 230000004308 accommodation Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to a motor structure, which can reduce the interference of a magnetic circuit. The motor structure comprises a shell group, a stator group, an electric connecting piece, two coils and a rotor group. The shell comprises a first shell cover and a second shell cover which form an accommodating space and an electric connecting hole. The stator group comprises a first yoke and a second yoke, which is hollow made of metal magnetic conductive material. Each of the first yoke and the second yoke is provided with a terminal block connecting part and a lug boss apart away from each other. A plurality of poles extend out one side from the lug bosses. The electric connecting part comprises a terminal block and a plurality of terminals. The two coils are accommodated between the first yoke and the second yoke, and the first shell cover and the second shell cover of the shell group, and the ends of the coils are connected with the terminals of the electric connecting part. The rotor group is formed in the way that a magnet is enclosed on a transmission shaft. The rotor group is threaded through the first yoke and the second yoke of the stator group so that the rotor group can turn relative to the stator group. The motor structure can avoid the interference of the magnetic circuits of the left phase and the right phase and improve the stepping accuracy of the motor.
Description
Technical field
The utility model is relevant with motor, is meant a kind of motor configuration that magnetic circuit disturbs that lowers especially.
Background technology
Known motor, mainly comprise a shell group, a rotor and a stator as stepper motor, this shell group cooperates correlated parts to be made up of an end cap with a bottom, as bearing or carriage etc., this rotor then is made up of a permanent magnet and a power transmission shaft, this stator mainly is that enamelled wire is sleeved on a roll, comes the controlling and driving electromagnetic force by the enamelled wire circulating current, and controls the rotation of motor by the control electromagnetic force.
Yet but there is subproblem in the stator former structure: its yoke must wear usually and fix a bobbin winder base, and the substrate portion of its yoke increases the interference to magnetic circuit for fitting mutually; Other is too complicated again for the project organization that improves these problems.Therefore, the structure of known motor still has room for improvement.
Summary of the invention
At the problems referred to above, main purpose of the present utility model is to provide a kind of motor configuration that magnetic circuit disturbs that lowers, and it makes the protruding wall of two adjacent yokes be separated with a metric space mutually by improving the structure of stator, can avoid the magnetic circuit of left and right sides two-phase to disturb, therefore can improve the stepping accuracy of motor.
Another purpose of the present utility model, be to provide a kind of motor configuration that magnetic circuit disturbs that lowers, its lead piece adopts independent moulding, the sheathed again terminal seated connection portion that is glued at stator pack, the trouble that ejection formation coats can be reduced, also therefore the magnetic conduction resistance can be further reduced.
For achieving the above object, a kind of motor configuration that magnetic circuit disturbs that lowers provided by the utility model is characterized in that comprising: a housing group, and formed by one first cap and one second cap, and formed an accommodation space and a lead piece is escaped the hole; Stator group has one first yoke and one second yoke, is hollow and is made by the metal magnetic conducting material, described first and second yoke respectively is formed with a terminal seated connection portion, one protruding wall, and both are separated with a metric space mutually, and some yoke utmost point pawls are stretched out to a side by its protruding wall; One lead piece has a terminal base and plurality of terminals; Two coil is located in respectively between first and second cap of described first and second yoke and described housing group, and its end of a thread is connected to each terminal of described lead piece respectively; One rotor set is sheathed on a power transmission shaft by a magnet and forms, and described rotor set is arranged in first and second yoke of described stator pack, and described rotor set can be rotated with respect to described stator pack.
In the above-mentioned the technical solution of the utility model, each directly is sheathed on the yoke utmost point pawl periphery of described first and second yoke described two coil.
In the above-mentioned the technical solution of the utility model, described lead piece is provided with a cover yoke groove is fixed in described stator pack for cover terminal seated connection portion.
In the above-mentioned the technical solution of the utility model, it is directly sheathed respectively for described two coil that first cap of described housing group and second cap have some shell utmost point pawls respectively.
In the above-mentioned the technical solution of the utility model, first cap of described housing group has a solid yoke groove, and described first and second yoke respectively has one first and is subjected to the card division to be located in the solid yoke groove of described first cap.
The utility model also provides another technical scheme: a kind of motor configuration that lowers the magnetic circuit interference, it is characterized in that comprising: a housing group, formed by one first cap and one second cap, and forming an accommodation space and a lead piece is escaped the hole, first cap of wherein said housing group and second cap have some shell utmost point pawls respectively; Stator group has one first yoke and one second yoke, is hollow and is made by the metal magnetic conducting material, and described first and second yoke respectively is formed with a terminal seated connection portion, a protruding wall, and both are separated with a metric space mutually; One lead piece has a terminal base and plurality of terminals; Two coil is located in respectively between first and second cap of described first and second yoke and described housing group, and its end of a thread is connected to each terminal of described lead piece respectively; One rotor set is sheathed on a power transmission shaft by a magnet and forms, and described rotor set is arranged in first and second yoke of described stator pack, and described rotor set can be rotated with respect to described stator pack.
Each directly is sheathed on the shell utmost point pawl periphery of described housing group described two coil.
Described lead piece is provided with a cover yoke groove is fixed in described stator pack for cover terminal seated connection portion.
First yoke of described stator pack and second yoke have some yoke utmost point pawls respectively, are stretched out to a side by its protruding wall.
First cap of described housing group has a solid yoke groove, and described first and second yoke respectively has one first and is subjected to the card division to be located in the solid yoke groove of described first cap.
Adopt technique scheme, the utility model the utility model makes the protruding wall of its two adjacent yoke be separated with a metric space D mutually by improving the structure of stator, can avoid the magnetic circuit of left and right sides two-phase to disturb, and therefore can improve the stepping accuracy of the utility model motor.And lead piece of the present utility model adopts independent moulding, and the sheathed again terminal seated connection portion that is glued at stator pack can reduce the trouble that ejection formation coats, and also therefore can further reduce the magnetic conduction resistance.
Description of drawings
Fig. 1 is the assembled sectional view of the utility model one preferred embodiment;
Fig. 2 is the assembled sectional view of one one of the utility model one preferred embodiment;
Fig. 3 is the three-dimensional exploded view of one one of the utility model one preferred embodiment;
Fig. 4 is another three-dimensional exploded view of the utility model one preferred embodiment.
Embodiment
In order to describe structure of the present utility model, characteristics and effect in detail, existing following preferred embodiment of act and conjunction with figs. are described as follows.
At first, as Fig. 1～shown in Figure 4, the motor configuration that the lowered magnetic circuit that the utility model one preferred embodiment is provided disturbs mainly is to be explanation with the stepper motor in the present embodiment, and this motor includes:
One housing group 10 is formed and is formed an accommodation space by one first cap 11 and one second cap 12, and first cap 11 has solid yoke groove 111,112, one lead pieces and escapes hole 113, one shell utmost point pawls 115.Second cap 12 has solid yoke groove 121,122, one lead pieces and escapes hole 123, one shell utmost point pawls, 125, one bottom bearings 15, and a chassis 17 is locked on the lateral surface of solid yoke groove 121,122.
Wherein, a free end of first cap 11 also can connect establishes a carriage 20, to form the groups of motors of screw shaped.
One rotor set 50, be sheathed on a power transmission shaft 53 and formed by a magnet 51, rotor set 50 is arranged in first and second yoke 31,32 of stator pack 30, and its power transmission shaft 53 two ends respectively are arranged in the bottom bearing 15 of housing group 10, thus, rotor set 50 can be rotated with respect to stator pack 30.
Adopt above-mentioned member can be assembled into motor of the present utility model, now the improvement of this motor and the effect that reaches thereof be described as follows:
At first and since the protruding wall 314,324 of first yoke 31 of stator pack 30 and one second yoke 32 both be separated with a metric space D mutually, can avoid the magnetic circuit of left and right sides two-phase to disturb, therefore can improve the stepping accuracy of the utility model motor.
In addition, lead piece 33 is for adopting independent ejection formation, and the sheathed again terminal seated connection portion 313 that is glued at stator pack 30 can reduce the trouble that ejection formation is coated on yoke, also therefore can further reduce the magnetic conduction resistance.
Moreover the utility model coil 35 adopts the moulding of hot melt line mode, can omit the roll (not shown), therefore can more improve the winding space of coil 35.And first yoke 31 of the present utility model and one second yoke 32 carry out vacuum again and are steaming, and therefore more can avoid the defective insulation problem of 31,32 of coil 35 and first and second yokes.
By the explanation of above embodiment, characteristics of the present utility model can be summarized as follows:
1, the utility model makes the protruding wall 314,324 of its two adjacent yoke be separated with a metric space D mutually by improving the structure of stator, can avoid the magnetic circuit of left and right sides two-phase to disturb, and therefore can improve the stepping accuracy of the utility model motor.
2, lead piece 33 of the present utility model adopts independent moulding, and the sheathed again terminal seated connection portion 313 that is glued at stator pack 30 can reduce the trouble that ejection formation coats, and also therefore can further reduce the magnetic conduction resistance.
Claims (10)
1, a kind of motor configuration that lowers the magnetic circuit interference is characterized in that comprising:
One housing group is made up of one first cap and one second cap, and forms an accommodation space and a lead piece is escaped the hole;
Stator group has one first yoke and one second yoke, is hollow and is made by the metal magnetic conducting material, described first and second yoke respectively is formed with a terminal seated connection portion, one protruding wall, and both are separated with a metric space mutually, and some yoke utmost point pawls are stretched out to a side by its protruding wall; One lead piece has a terminal base and plurality of terminals; Two coil is located in respectively between first and second cap of described first and second yoke and described housing group, and its end of a thread is connected to each terminal of described lead piece respectively;
One rotor set is sheathed on a power transmission shaft by a magnet and forms, and described rotor set is arranged in first and second yoke of described stator pack, and described rotor set can be rotated with respect to described stator pack.
2, the motor configuration that lowers the magnetic circuit interference as claimed in claim 1, it is characterized in that: each directly is sheathed on the yoke utmost point pawl periphery of described first and second yoke described two coil.
3, the motor configuration that lowers the magnetic circuit interference as claimed in claim 1 is characterized in that: described lead piece is provided with a cover yoke groove is fixed in described stator pack for cover terminal seated connection portion.
4, the motor configuration that lowers the magnetic circuit interference as claimed in claim 1 is characterized in that: it is directly sheathed respectively for described two coil that first cap of described housing group and second cap have some shell utmost point pawls respectively.
5, the motor configuration that lowers the magnetic circuit interference as claimed in claim 1 is characterized in that: first cap of described housing group has a solid yoke groove, and described first and second yoke respectively has one first and is subjected to the card division to be located in the solid yoke groove of described first cap.
6, a kind of motor configuration that lowers the magnetic circuit interference is characterized in that comprising:
One housing group is made up of one first cap and one second cap, and forms an accommodation space and a lead piece is escaped the hole, and first cap of wherein said housing group and second cap have some shell utmost point pawls respectively;
Stator group has one first yoke and one second yoke, is hollow and is made by the metal magnetic conducting material, and described first and second yoke respectively is formed with a terminal seated connection portion, a protruding wall, and both are separated with a metric space mutually; One lead piece has a terminal base and plurality of terminals; Two coil is located in respectively between first and second cap of described first and second yoke and described housing group, and its end of a thread is connected to each terminal of described lead piece respectively;
One rotor set is sheathed on a power transmission shaft by a magnet and forms, and described rotor set is arranged in first and second yoke of described stator pack, and described rotor set can be rotated with respect to described stator pack.
7, the motor configuration that lowers the magnetic circuit interference as claimed in claim 6, it is characterized in that: each directly is sheathed on the shell utmost point pawl periphery of described housing group described two coil.
8, the motor configuration that lowers the magnetic circuit interference as claimed in claim 6 is characterized in that: described lead piece is provided with a cover yoke groove is fixed in described stator pack for cover terminal seated connection portion.
9, the motor configuration that lowers the magnetic circuit interference as claimed in claim 6, it is characterized in that: first yoke of described stator pack and second yoke have some yoke utmost point pawls respectively, are stretched out to a side by its protruding wall.
10, the motor configuration that lowers the magnetic circuit interference as claimed in claim 6 is characterized in that: first cap of described housing group has a solid yoke groove, and described first and second yoke respectively has one first and is subjected to the card division to be located in the solid yoke groove of described first cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201270686U CN201226458Y (en) | 2008-06-23 | 2008-06-23 | Motor structure capable of reducing magnetic path interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201270686U CN201226458Y (en) | 2008-06-23 | 2008-06-23 | Motor structure capable of reducing magnetic path interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201226458Y true CN201226458Y (en) | 2009-04-22 |
Family
ID=40599360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201270686U Expired - Lifetime CN201226458Y (en) | 2008-06-23 | 2008-06-23 | Motor structure capable of reducing magnetic path interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201226458Y (en) |
-
2008
- 2008-06-23 CN CNU2008201270686U patent/CN201226458Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Foshan Huayong Technology Co.,Ltd. Assignor: Tricore Corporation Contract record no.: 2011990000829 Denomination of utility model: Motor structure capable of reducing magnetic path interference Granted publication date: 20090422 License type: Exclusive License Record date: 20110826 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090422 |
|
| CX01 | Expiry of patent term |