CN201450440U - Double-sided symmetrical shaft micro-step motor - Google Patents
Double-sided symmetrical shaft micro-step motor Download PDFInfo
- Publication number
- CN201450440U CN201450440U CN2009200644520U CN200920064452U CN201450440U CN 201450440 U CN201450440 U CN 201450440U CN 2009200644520 U CN2009200644520 U CN 2009200644520U CN 200920064452 U CN200920064452 U CN 200920064452U CN 201450440 U CN201450440 U CN 201450440U
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- conducting magnet
- axle
- magnet core
- driven pulley
- bidirectional pointer
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- Expired - Fee Related
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a double-sided symmetrical shaft micro-step motor for the instrument pointer drive. The micro-step motor comprises a positive cover (1), a negative cover (3), a two-way pointer shaft (14), an outward annular convex step (2) at the axle hole of the positive cover (1), an inward annular convex step (4) at the axle hole of the negative cover (3), a left two-phase loop, a right two-phase loop, brackets (17) (19), a stator magnetic conductive iron core (23) and a multilevel deceleration transmission gear system. The two-way pointer shaft (14) passes through two corresponding opening steps on the positive cover (1) and the negative cover (3) of the step motor and the double-sided shaft structure of the motor is formed. The two ends of the shaft can be connected with two pointers externally at the same time. The two-way pointer shaft (14) intersects with a third class driven wheel (13) on the center of a wheel face. Column-shaped limiting steps (15) (16) are respectively arranged above and under the joint part of a wheel axle and are connected with the two-way pointer shaft. The utility model is mainly applied to the pointer drive of the instrument which needs data display at the positive face and the negative face.
Description
Technical field
The utility model relates to a kind of two-sided symmetry axis micro-step motor, and being mainly used in all kinds of both forward and reverse directions needs the pointer driving of the pointer instrument of video data simultaneously.
Background technology
At present, stepping motor has been widely used in a plurality of fields such as Digit Control Machine Tool, Industry Control, servo system, instrument and meter and computer peripheral.Owing to application need, another branch of stepping motor is that micro-stepping motor for instruments quietly rises, and gesture in the ascendant is arranged in recent years.Micro-stepping motor for instruments is a kind of stepping motor of small size, and the stepping motor of the type adopts the gear reduction technology to improve the rotation precision of stepping motor rotating shaft, makes the rotation of rotating shaft more level and smooth, is applicable to the driving gauge pointer.With respect to analog electrical magnetic-type pointer Drive Structure, stepping motor does not need the oil silk to wait damped part, and no accumulated error has multiple advantages such as pointing accuracy height, long service life, reliability height.
It should be noted, the instrument stepping motor of extensive use at present all is a kind of stepping motor of single direction shaft, the type stepping motor only can be drawn the pointer output shaft from a direction of shell, therefore can only drive a pointer, be mainly used in the instrument that automobile instrument, general purpose instrument, single-phase watt-hour meter etc. only need unidirectional indication.Along with applying of instrument stepping motor, the limitation of single direction output shaft indication displays gradually, and for example in commercial electronic platform balance application facet, operator and client all need to obtain simultaneously the continuous data of the commodity of purchasing; Aspect Industry Control, engineers and technicians wish that then test instrumentation (for example two-sided pressure gauge) has the function that tow sides all have the pointer indication, thereby can observe measured real time data quickly and easily.Unfortunately, present instrument still can not satisfy the requirement that the two pointers of positive and negative driving simultaneously show with the folk prescription of stepping motor to going out axle construction, common solution is, in the positive and negative both direction while symmetry of instrument two single shaft motors are installed respectively, to realize the two-sided pointer indication of instrument, the result will cause manufacturing cost to rise.
The utility model content
In view of the above, the utility model provides a kind of symmetry axis micro-stepping motor for instruments of positive and negative two sides while shaft, the two-way demonstration of support on the motor plane.
The new solution that the utility model proposes is as follows:
A kind of two-sided symmetry axis micro-step motor, just comprise cover, anti-lid, bidirectional pointer axle, left phase coil and skeleton, right phase coil and skeleton, stator conducting magnet core body, left conducting magnet core arm and right conducting magnet core arm, rotor and armature spindle, multi-stage speed-reducing transfer gear train, there is the evagination step of an extroversion at the axis hole place that it is just covering, there is an inside convex step at anti-lid axis hole place, there is a columniform step top of third level driven pulley and bidirectional pointer axle junction, and there is a columniform step below of third level driven pulley and bidirectional pointer axle junction.
Described two-sided symmetry axis micro-step motor, its bidirectional pointer axle is a stainless steel major axis, and an end just passes and covers, and the other end passes anti-lid, and the two ends of bidirectional pointer axle are external positive and negative two pointers with respect to the stepping motor plane simultaneously.
Described two-sided symmetry axis micro-step motor, it is just building the ring-type evagination step that there is an extroversion at the axis hole place, there is an inside ring-type convex step at anti-lid axis hole place, and an end of bidirectional pointer axle stretches out from just covering by the evagination step, and the other end stretches out from anti-lid by the convex step.
Described two-sided symmetry axis micro-step motor, its bidirectional pointer axle and third level driven pulley intersect at the center of wheel face, there is a cylindrical step top of driven pulley and bidirectional pointer axle junction, driven pulley has a cylindrical step with the below of axle junction, and two cylindrical steps and third level driven pulley and bidirectional pointer axle are connected as a single entity.
Described two-sided symmetry axis micro-step motor, the magnetic conductor that adopts the flat-shaped gengon in a shape such as sky is as stator conducting magnet core body, contain left conducting magnet core arm and right conducting magnet core arm on the conducting magnet core, left and right sides iron core arm is rectangle, left coil and support insert in the left iron core arm, right coil and support insert in the right iron core arm, also comprise a circular hole that can embed rotor on the conducting magnet core.
The utility model is all offered output shaft hole at the just lid of stepping motor with counter covering, and a bidirectional pointer axle passes from just covering with anti-lid simultaneously, thereby realizes the structure of two-sided shaft.Because the utility model stepping motor needle pivot that tow sides go out is a major axis in fact, and the axis hole that is just covering is relative with the anti-axis hole position that covers, therefore, the double-edged pointer of stepping motor not only can rotate synchronously, and on the position with respect to stepping motor minute surface symmetry.
Conducting magnet core of the present utility model adopts the Fe-based amorphous alloy soft magnetic material to make, compare this soft magnetic material with permalloy (iron-nickel alloy) and have the characteristic that coercive force is low, magnetic permeability is high equally, and Fe-based amorphous alloy possesses also that cost is low, resistivity is high and other advantages such as strong anti-interference performance.The utility model not only can produce enough magnetic flux density under weak magnetic pumping, obtain stronger torque, and can improve the interference free performance and the high frequency performance of magnetic circuit.
The utility model stepping motor has proposed a kind of Drive Structure of two-sided shaft, under the condition that does not raise the cost, has strengthened practicality of the present utility model greatly, makes this micro-step motor be applicable to the occasion of the two-sided shaft pointer of various needs instrument indication.
Description of drawings
Fig. 1 is that the utility model is just covering profile view.
Fig. 2 is the anti-profile view of covering of the utility model.
Fig. 3 is the utility model internal structure explosive view.
Fig. 4 is the utility model needle pivot and the installation diagram that is just covering.
Fig. 5 is the utility model needle pivot and the anti-installation diagram that covers.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 3 is an internal structure explosive view of the present utility model.The utility model stepping motor comprises: just cover (1), anti-lid (3), bidirectional pointer axle (14), left side phase coil and skeleton (17), right phase coil and skeleton (19), stator conducting magnet core body (23), rotor (5) and armature spindle (6), multi-stage speed-reducing transfer gear train (7) (8) (9) (10) (11) (12) (13), there is the ring-type evagination step (2) of an extroversion at the axis hole place of just covering (1), there is an inside ring-type convex step (4) at anti-lid (3) axis hole place, bidirectional pointer axle (14) and third level driven pulley (13) intersect at the center of wheel face, third level driven pulley (13) has a columniform step (15) with the top of axle (14) junction, driven pulley (13) has a columniform step (16) with the below of axle (14) junction, and cylindrical step (15) (16) and third level driven pulley (13) are connected as a single entity with bidirectional pointer axle (14).Conducting magnet core body (23) is the main part of stepping motor magnetic circuit, form by left and right sides conducting magnet core arm (21) (22), left and right sides conducting magnet core arm (21) (22) shape that is rectangle, its left phase coil and skeleton (17) be enclosed within the rectangle of left conducting magnet core arm (21) rectangular on, its right phase coil and skeleton (19) then be enclosed within the rectangle of right conducting magnet core arm (22) rectangular on, the line bag of two coils is respectively by (18), (20) two pins output separately.
Described bidirectional pointer axle (14) is a stainless steel major axis, pass the center of third level driven pulley (13) and be fixed on the third level driven pulley, the upper and lower end of bidirectional pointer axle (14) just passes the step (2) that builds on (1) respectively and exports circular hole with the step (4) on the anti-lid (3), forms the stepping motor two sides Drive Structure of shaft simultaneously.
The pointer axis hole place of just covering (1) is provided with a ring-type evagination step (2) to outer process, the pointer axis hole place of anti-lid (3) is provided with another ring-type convex step (4) to inner process, and two steps are in Zheng Gai (1) and anti-displacement or swing of covering the axis hole position limit bidirectional pointer axle (14) of (3) in the normal direction of axle.A cylindrical step (15) (16) is respectively arranged the position of wheel face handing-over up and down at bidirectional pointer axle (14) and third level driven pulley (13), cylindrical step (15) and (16) and third level driven pulley (13) are connected as a single entity with bidirectional pointer axle (14), after positive and negative lid assembles, cylindrical step (15) just in time just props up the evagination step (2) that builds on (1), cylindrical step (16) just in time props up the convex step (4) on the anti-lid (3), thus limit pointer axle (14) displacement vertically.
Described stator conducting magnet core (23) is the flat-shaped Fe-based amorphous alloy conducting magnet core (23) in a shape such as sky, comprise left iron core arm (21) and right iron core arm (22), left and right sides iron core arm is an oblong-shaped, the profile of conducting magnet core (23) is the symmetric shape of a similar balance, and the circular hole on the stator conducting magnet core (24) can be embedded in rotor (5).Left side phase coil and skeleton (17) insert in the left iron core arm (21), and right phase coil and skeleton (19) insert in the right iron core arm (22).Two arms (21) (22) are designed to wide and short rectangular shape and can reduce magnetic resistance about conducting magnet core, and flat-shaped conducting magnet core (23) structure in shape such as sky then helps bringing together the magnetic line of force of diffusion.The Fe-based amorphous alloy soft magnetic material that conducting magnet core (23) adopts has that magnetic property is good, cost is low, resistivity is high and advantage such as strong anti-interference performance, reasonably the feasible magnetic circuit based on conducting magnet core (23) of the soft magnetic material of profile and superior performance has very high efficient, strengthen the output torque of bidirectional pointer axle (14), and further improved the interference free performance of stepping motor.
Described multi-stage speed-reducing gear is three grades of travelling gear systems, and this gear train comprises p-m rotor (5), axis of rotor rotation (6), first order driven pulley (7), second level driving wheel (8), second level driven pulley (10), second level driven pulley rotation axis (12), third level driving wheel (11), third level driven pulley (13) part.P-m rotor (5) forms first order drive line with first order driven pulley (7) engagement, and similarly, second, third two-stage driving wheel (8) (11) meshes respectively with second, third two-stage driven pulley (10) (13) and forms the second level and three grades of drive lines.P-m rotor (5) is the power source of gear system, drives whole system motion, and third level driven pulley (13) is for rotating output wheel, and this is taken turns drive bidirectional pointer axle (14) and rotates synchronously.
In sum, the utility model stepping motor has proposed a kind of Drive Structure of two-sided shaft, under the condition that does not raise the cost, strengthened practicality of the present utility model greatly, make this micro-step motor be applicable to the occasion of the two-sided shaft pointer of various needs instrument indication.
Claims (5)
1. two-sided symmetry axis micro-step motor, just comprise and cover (1), anti-lid (3), bidirectional pointer axle (14), left side phase coil and skeleton (17), right phase coil and skeleton (19), stator conducting magnet core body (23), left side conducting magnet core arm (21) and right conducting magnet core arm (22), rotor (5) and armature spindle (6), multi-stage speed-reducing transfer gear train (7) (8) (9) (10) (11) (12) (13), it is characterized in that, there is the evagination step (2) of an extroversion at the axis hole place of just covering (1), there is an inside convex step (4) at anti-lid (3) axis hole place, third level driven pulley (13) has a columniform step (15) with the top of bidirectional pointer axle (14) junction, and third level driven pulley (13) has a columniform step (16) with the below of bidirectional pointer axle (14) junction.
2. two-sided symmetry axis micro-step motor according to claim 1, it is characterized in that, bidirectional pointer axle (14) is a stainless steel major axis, one end just passes and covers (1), the other end passes anti-lid (3), and the two ends of bidirectional pointer axle (14) are external positive and negative two pointers with respect to the stepping motor plane simultaneously.
3. two-sided symmetry axis micro-step motor according to claim 1 and 2, it is characterized in that, just covering (1) axis hole place has the ring-type evagination step (2) of an extroversion, there is an inside ring-type convex step (4) at anti-lid (3) axis hole place, one end of bidirectional pointer axle (14) stretches out from just covering (1) by evagination step (2), and the other end stretches out from anti-lid (3) by convex step (4).
4. two-sided symmetry axis micro-step motor according to claim 1, it is characterized in that, bidirectional pointer axle (14) and third level driven pulley (13) intersect at the center of wheel face, driven pulley (13) has a cylindrical step (15) with the top of bidirectional pointer axle (14) junction, driven pulley (13) has a cylindrical step (16) with the below of axle (14) junction, and two cylindrical steps (15) (16) and third level driven pulley (13) are connected as a single entity with bidirectional pointer axle (14).
5. two-sided symmetry axis micro-step motor according to claim 1, the magnetic conductor that it is characterized in that adopting the flat-shaped gengon in a shape such as sky is as conducting magnet core (23), contain left conducting magnet core arm (21) and right conducting magnet core arm (22) on the conducting magnet core (23), left and right sides iron core arm is rectangle, left coil and support (17) insert in the left iron core arm (21), right coil and support (19) insert in the right iron core arm (22), also comprise a circular hole (24) that can embed rotor (5) on the conducting magnet core (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200644520U CN201450440U (en) | 2009-05-18 | 2009-05-18 | Double-sided symmetrical shaft micro-step motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200644520U CN201450440U (en) | 2009-05-18 | 2009-05-18 | Double-sided symmetrical shaft micro-step motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201450440U true CN201450440U (en) | 2010-05-05 |
Family
ID=42555163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200644520U Expired - Fee Related CN201450440U (en) | 2009-05-18 | 2009-05-18 | Double-sided symmetrical shaft micro-step motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201450440U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412355A (en) * | 2018-12-24 | 2019-03-01 | 彭希南 | Using the numerical indexes driving assembly of Zigbee WLAN |
| CN109474157A (en) * | 2018-12-24 | 2019-03-15 | 彭希南 | A kind of numerical indexes driving stepper motor based on RS485 bus |
| CN109507475A (en) * | 2018-12-24 | 2019-03-22 | 彭希南 | Wind power plant numerical indexes formula ammeter based on Zigbee WLAN |
| CN109596153A (en) * | 2018-12-24 | 2019-04-09 | 彭希南 | Numerical indexes driving element with USB interface |
-
2009
- 2009-05-18 CN CN2009200644520U patent/CN201450440U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412355A (en) * | 2018-12-24 | 2019-03-01 | 彭希南 | Using the numerical indexes driving assembly of Zigbee WLAN |
| CN109474157A (en) * | 2018-12-24 | 2019-03-15 | 彭希南 | A kind of numerical indexes driving stepper motor based on RS485 bus |
| CN109507475A (en) * | 2018-12-24 | 2019-03-22 | 彭希南 | Wind power plant numerical indexes formula ammeter based on Zigbee WLAN |
| CN109596153A (en) * | 2018-12-24 | 2019-04-09 | 彭希南 | Numerical indexes driving element with USB interface |
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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: 20100505 Termination date: 20130518 |