CN103401348B - Terminal-connecting means, apply its stepping motor and the assembly method of stepping motor - Google Patents
Terminal-connecting means, apply its stepping motor and the assembly method of stepping motor Download PDFInfo
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- CN103401348B CN103401348B CN201310340500.5A CN201310340500A CN103401348B CN 103401348 B CN103401348 B CN 103401348B CN 201310340500 A CN201310340500 A CN 201310340500A CN 103401348 B CN103401348 B CN 103401348B
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Abstract
A kind of terminal-connecting means (10), comprise: main part (11), socket part (12), wherein, described socket part (12) is formed at the front portion of described main part (11) and has downward opening, described main part (11) is provided with the first restriction face (G1) and the second restriction face (G2), form the first inner space (S1) being participated in the described terminal-connecting means (10) limited by described first restriction face (G1), and second inner space (S2) of the described terminal-connecting means (10) limited is participated in by described second restriction face (G2) and described socket part (12), thus make the external connection part of terminal (23) (233) described second inner space (S2) can be moved to from described first inner space (S1).By arranging the mechanisms such as narrow movable passageway and dividing plate, reducing interface channel that is outside and inside, thus improve the difficulty entered of dust or metal garbage.
Description
Technical field
The present invention relates to a kind of terminal-connecting means, apply the assembly method of the stepping motor of this device and stepping motor.
Background technology
Micro-machine is the important foundation product of the every field extensive uses such as factory automation, family life automation, office automation, common small sized motor according to lead-in wire connected mode difference be divided into leaded motor and without lead-in wire motor.Leaded motor is that index wire is connected directly to provide electric current to motor stator winding in respective terminal, i.e. so-called direct connected mode.Be then that motor only has connector port without lead-in wire motor, going between is connected with motor by matched interfaces as unitary part, i.e. so-called indirect connections.
Usually, in the scheme of leaded motor, adopting lead-in wire first weld with circuit board (pcb board), then pcb board is welded to the structure on the terminal of correspondence, is then that on motor, connector body and pcb board are connected to binding post and provide galvanic connection method to stator winding again without the motor that goes between.
But, be no matter aforesaid leaded motor scheme or without lead-in wire motor scheme, middle transition all adopts pcb board mode to connect.This pcb board connected mode can cause a series of problem: first, the problem freely drawing generator windings open circuit that PCB motor internal electric connects; Secondly, pcb board adopts twice welding sequence, thus welding rosin joint may occur, Pad off, bead be splashed to the problems such as gear; Finally, PCB critical process welding human cost is high.
In Chinese invention patent ZL97113111.2, disclose a kind of stepping motor, it has a kind of terminal cap structure, for replacing described pcb board connected mode, thus cuts down the time of number of components and reduction machining needs on the whole.Specifically; this terminal cap is by the main part of the notch protecting terminal mount part and cylinder; the socket part with the below of the front portion being formed at this main part with opening is integrally formed shape, and multiple slit pores that each external connection part being equipped with the terminal making to be bent in the partition part of main part and socket part is passed through.Wherein, as described in the specification of this patent, main part and socket part are separated by dividing plate, on this dividing plate, according to the length dimension of each external connection part of terminal, wear the slit pore of the long hole shape long with the summary of the axis being parallel of rotor.
Although Chinese invention patent ZL97113111.2 terminal cap instead of pcb board, its structure also brings other problem.Such as, owing to there is the space 40 passed for terminal between the main part 27 and socket part 28 of terminal cap 26, and the dividing plate 29 between main part 27 and socket part 28 is provided with multiple slit pore 28a ~ 28e, as shown in figure 18, thus, then dust or metal fragment can enter into motor internal from this space to slit pore, so may cause electric motor short circuit.
Summary of the invention
In order to overcome one of above-mentioned defect, according to an aspect of the present invention, provide a kind of terminal-connecting means, comprise: main part, socket part, wherein, socket part is formed at the front portion of main part and has downward opening, main part is provided with the first restriction face and the second restriction face, form the first inner space being participated in the terminal-connecting means limited by the first restriction face, and the second inner space of the terminal-connecting means limited is participated in by the second restriction face and socket part, thus make the external connection part of terminal can move to the second inner space from the first inner space.
Alternatively, according to the terminal-connecting means of the embodiment of the present invention, external connection part moves to the second inner space along its direction of extension from the first inner space.
Alternatively, according to the terminal-connecting means of the embodiment of the present invention, the first restriction face and/or the second restriction face are provided with multiple boss, external connection part can be moved in the groove between two adjacent lands.
Alternatively, according to the terminal-connecting means of the embodiment of the present invention, main part is provided with the first locating surface, and it coordinates with the second locating surface of the terminal holding member being arranged on coil rack, guides external connection part to move to the second inner space from the first inner space.
Alternatively, according to the terminal-connecting means of the embodiment of the present invention, the first inner space is provided with the first dividing plate, is provided with the slit passed for external connection part at this first dividing plate.
Alternatively, according to the terminal-connecting means of the embodiment of the present invention, the first inner space is provided with the first dividing plate, is provided with the slit passed for external connection part at this first dividing plate.
Alternatively, according to the terminal-connecting means of the embodiment of the present invention, socket part is provided with the 3rd restriction face, jointly participated in limiting the second inner space by the second restriction face, the 3rd restriction face and socket part, after making external connection part enter the second inner space, can move a certain distance to socket part.
Alternatively, according to the terminal-connecting means of the embodiment of the present invention, the 3rd restriction face is provided with multiple boss, external connection part can be moved in the groove between two adjacent lands.
Alternatively, according to the terminal-connecting means of the embodiment of the present invention, main part is provided with the 3rd locating surface, and it coordinates with the 4th locating surface of the terminal holding member being arranged on coil rack, guides external connection part to move described distance to socket part in the second inner space.
According to a further aspect in the invention, provide a kind of stepping motor, comprise aforementioned terminal-connecting means.
In accordance with a further aspect of the present invention, provide a kind of stepping motor, it comprises terminal-connecting means and coil rack, wherein, coil rack, comprise: framework main, the terminal holding member be fixedly connected with framework main, and the terminal to be fixed by this terminal holding member, terminal-connecting means, comprise: main part, socket part, wherein, socket part is formed at the front portion of main part and has downward opening, terminal comprises: winding portion, mid portion and external connection part, main part is provided with the first restriction face and the second restriction face, form the first inner space being participated in the terminal-connecting means limited by the first restriction face, and the second inner space of the terminal-connecting means limited is participated in by the second restriction face and socket part, thus make the external connection part of terminal can move to the second inner space from the first inner space.
Alternatively, according to the stepping motor of the embodiment of the present invention, winding portion and external connection part bend relative to mid portion in the opposite direction in same plane, wherein, the angle that winding portion bends relative to mid portion is slightly larger than 90 °, and external connection part equals 90 ° relative to the angle that mid portion bends.
Alternatively, according to the stepping motor of the embodiment of the present invention, terminal holding member is provided with multiple junction pole or point wire casing.
According to another aspect of the invention, provide a kind of assembly method of stepping motor, comprise: by the external connection part of terminal, with the direction parallel with the mid portion of this terminal, be advanced into the first inner space being participated in the terminal-connecting means limited by the first restriction face of terminal-connecting means; External connection part is moved to the second inner space being participated in the terminal-connecting means limited by the second restriction face and socket part from the first inner space.
Alternatively, according to the stepping motor assembly method of the embodiment of the present invention, after external connection part enters the second inner space, this external connection part is moved a certain distance to socket part.
Alternatively, according to the stepping motor assembly method of the embodiment of the present invention, before terminal is assembled to terminal-connecting means, terminal is bent, coiling and ward off tin process, comprise: terminal holding member terminal insertion being arranged at coil rack, then, the winding portion of terminal is bent vertically upward relative to mid portion, the enamelled wire corresponding with terminal is drawn from the framework main of coil rack, then separated time is positioned respectively by the multiple junction pole be arranged on terminal holding member or a point wire casing, finally each bar enamelled wire is wound into respectively in the winding portion of each self-corresponding terminal, tin process is warded off to winding portion, in coiling and before warding off tin process or afterwards, bend the external connection part of terminal relative to mid portion vertically downward, make winding portion and external connection part on conplane rightabout respectively perpendicular to mid portion.
Alternatively, according to the stepping motor assembly method of the embodiment of the present invention, bending terminal, coiling and after warding off tin process, winding portion is bent an angle again to mid portion, to realize loose ends process.
According to terminal-connecting means of the present invention and stepping motor, by arranging the mechanisms such as narrow movable passageway and dividing plate, reducing interface channel that is outside and inside to a great extent, thus improve the difficulty entered of dust or metal garbage.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described below by the accompanying drawing of embodiment, apparently, the accompanying drawing in the following describes only relates to some embodiments of the present invention, but not limitation of the present invention.
Fig. 1 schematically shows the terminal-connecting means according to the embodiment of the present invention;
Fig. 2 is the schematic cross sectional view of terminal-connecting means according to an embodiment of the invention;
Fig. 3 is the schematic cross sectional view of terminal-connecting means in accordance with another embodiment of the present invention;
Fig. 4 is the profile of the coil rack according to the embodiment of the present invention;
Fig. 5 a ~ Fig. 5 e shows the process coil rack shown in Fig. 4 being installed to the terminal-connecting means shown in Fig. 3 stage by stage;
Fig. 6 a ~ Fig. 6 e shows the process coil rack shown in Fig. 4 being installed to terminal-connecting means in accordance with another embodiment of the present invention stage by stage;
Fig. 7 is from the oblique view viewed from the inside of terminal-connecting means according to an embodiment of the invention;
Fig. 8 is from the oblique view viewed from the inside of terminal-connecting means in accordance with another embodiment of the present invention;
Fig. 9 is perspective cross section schematic diagram terminal-connecting means and coil rack assembled mutually;
Figure 10 is the whole structure schematic diagram after terminal-connecting means and coil rack being assembled together;
Figure 11 has schematically shown the cross-section structure of the motor after the assembling of terminal-connecting means and coil rack;
Figure 12 is the schematic diagram in a part of cross section of motor shown in Figure 11;
Figure 13 a ~ Figure 13 d schematically shows bending for terminal and coiling processing procedure;
Figure 14 is the vertical view of the coil rack with junction pole;
Figure 15 schematically shows the state after the coil rack coiling shown in Figure 14;
Figure 16 is the vertical view of the coil rack with point wire casing;
Figure 17 schematically shows the state after the coil rack coiling shown in Figure 16;
Figure 18 is from the oblique view viewed from front according to the terminal-connecting means of prior art.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on described embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of protection of the invention.
Unless otherwise defined, technical term used herein or scientific terminology should be in field belonging to the present invention the ordinary meaning that the personage with general technical ability understands." first ", " second " that use in patent application specification of the present invention and claims and similar word do not represent any order, quantity or importance, and are only used to distinguish different parts.Equally, the similar word such as " " or " " does not represent restricted number yet, but represents to there is at least one.
Fig. 1 schematically shows the terminal-connecting means according to the embodiment of the present invention.As shown in Figure 1, terminal-connecting means 10 comprises main part 11, socket part 12.Wherein, socket part 12 is formed at the front portion of main part 11 and has downward opening, and the space that this socket part 12 is formed together with main part 11, for holding the head of terminal, makes it be electrically connected with external plug in terminal-connecting means 10.
Fig. 2 is the schematic cross sectional view of terminal-connecting means according to an embodiment of the invention.As shown in Figure 2, main part 11 has restriction face G1 and restriction face G2.Such as, by the space (space of terminal-connecting means 10 inside on the left of restriction face G1) roughly limited by restriction face G1 in vertical direction, the upper space S1 of terminal-connecting means 10 is called; By the space being used for finally holding terminal head portion roughly limited by socket part 12 and restriction face G2, be called lower space S2.Alternatively, in other embodiments in accordance with the invention, the upper and lower relation of S1 and S2 also can be exchanged.
Fig. 3 is the schematic cross sectional view of terminal-connecting means in accordance with another embodiment of the present invention.Compared with the terminal-connecting means 10 shown in Fig. 2, the terminal-connecting means shown in Fig. 3 comprises the restriction face G3 being arranged on socket part (12) further, is jointly participated in limiting lower space S2 by restriction face G2, restriction face G3 and socket part 12.
Compared with the embodiment shown in Fig. 2, the lower space S2 in the embodiment shown in Fig. 3 is larger, and terminal head portion can be made to move a certain distance to the direction of socket part 12 in lower space S2, thus can the larger external plug of size for connection.
Fig. 4 shows the profile of the coil rack according to the embodiment of the present invention.As shown in Figure 4, coil rack 20 comprises framework main 21, terminal holding member 22 and terminal 23.Terminal holding member 22 is connected with framework main 21, and is used for realizing fixing terminal 23 by the mid portion 232 of fixed terminal 23.As shown in the figure, terminal 23 also comprises the head of winding portion 231 and reclinate external connection part 233(and the terminal be bent upwards).Terminal 23 can be policy also can be circular cross section terminal etc.
Fig. 5 a ~ Fig. 5 e shows the process coil rack shown in Fig. 4 being installed to the terminal-connecting means shown in Fig. 3 stage by stage.
As shown in Figure 5 a, first, in the direction of the arrow the external connection part 233 of terminal 23 is advanced in the upper space S1 of terminal-connecting means 10.The direction of arrow indication can be parallel with the mid portion 232 of terminal 23.
In the embodiment shown in Fig. 5 a ~ Fig. 5 e, external connection part 233 bending downward relative to mid portion 232 is in 90 °, and it is parallel with external connection part 233 to limit face G1.Here, the minimum vertical height of upper space S1 slightly larger than the length of external connection part 233, thus makes this external connection part 233 to be loaded terminal-connecting means 10 in the direction of the arrow.
In fig 5 a, mark has locating surface L1 and locating surface L2, is separately positioned on the main part 11 of terminal-connecting means 10 and the terminal holding member 22 of coil rack 20.Locating surface L1 coordinates with locating surface L2, to limit the position of terminal 23 upstream end sub-connecting device 10, thus the external connection part 233 of terminal 23 can be prevented damaged because of collision.
In fig 5 a, coil rack 20 moves in the direction of the arrow, thus the external connection part 233 of terminal 23 is advanced in upper space S1.Fig. 5 b show this motion complete after state.As shown in Figure 5 b, locating surface L1 and locating surface L2 contacts, thus achieves the restriction for the relative position between coil rack 20 and terminal-connecting means 10.Under the state that locating surface L1 and locating surface L2 contacts, external connection part 233 is close to restriction face G1 or contact with G1, but can not move to the direction of G1 again, thus external connection part 233 can be prevented damaged because of collision restriction face G1.This location safeguard procedures are particularly effective for manual installation.
In other embodiments of the invention, also the location structure of similar locating surface L1 and locating surface L2 can not be had, but the movement of shaped framework coil 20 is stopped when external connection part 233 touches restriction face G1, or by the setting of installing for automaton, prevent external connection part 233 from touching restriction face G1.
Alternatively, in upper space S1, dividing plate 13 is provided with.In figure 5b, dividing plate 13 is parallel with external connection part 233, and dividing plate 13 has with the external connection part 233 of terminal 23 at quantity and the slit that all mates in shape.That is, these slits are equal with the number of terminal, width is slightly larger than the diameter (circular cross section terminal) of terminal or width (square cross section terminal), length, slightly larger than the external connection part 233 of terminal, can make external connection part 233 along the direction of arrow in Fig. 5 a through dividing plate 13.
In other embodiments of the invention, dividing plate 13 also can not be parallel with external connection part 233, but with an angle, as long as but the slit of dividing plate 13 matches along the projection in external connection part 233 plane of the opposite direction of Fig. 5 a direction of arrow and external connection part 233, namely this projection width is slightly larger than the diameter (circular cross section terminal) of terminal or width (square cross section terminal), length, slightly larger than the external connection part 233 of terminal, makes external connection part 233 along the direction of arrow in Fig. 5 a through dividing plate 13.
Due to the effect of slit, dividing plate 13 can prevent dust and impurity from entering into the motor internal being provided with coil rack 20 to a certain extent, and in addition, dividing plate 13 also can play certain position-limiting action to terminal.
In fig. 5 c, coil rack 20 moves along the direction of arrow in the figure, and this direction is parallel with the external connection part 233 of terminal 23.As shown in Figure 5 c, restriction face G1 is all parallel with the direction of motion shown in arrow with restriction face G2, and external connection part 233 can move in the gallery between restriction face G1 and restriction face G2.The width of this movable passageway mates with the head width of external connection part 233, namely slightly larger than diameter (circular cross section terminal) or the width (square cross section terminal) of terminal, thus can prevent entering of dust etc. well.
In the embodiment with locating surface L1 and locating surface L2, locating surface L2 contacts with locating surface L1, and moves down along locating surface L1, also can play the effect limited the motion of terminal 23.
As shown in Figure 5 c, in lower space S2, dividing plate 14 is provided with alternatively.External connection part 233 moves in the direction of the arrow, through the perforation being arranged at dividing plate 14.
Alternatively, the size of perforation and the fit heads of terminal, that is, the minimum widith of perforation is at least slightly larger than the diameter (circular cross section terminal) of terminal or the width (square cross section terminal) of terminal, can pass this perforation to make the head of terminal.That is, the size of perforation is mated with the external connection part 233 of terminal 23, makes external connection part 233 to pass perforation.Due to perforation Breadth Maximum can slightly larger than or be greater than the diameter (circular cross section terminal) of terminal or the width (square cross section terminal) of terminal, external connection part 233 can with certain angle through perforation.
Preferably, external connection part 233 can pass perpendicularly through perforation.Now, for circular cross section terminal or square cross section terminal, perforation can be the circular perforations or square perforation that match with it, thus make external connection part 233 just can pass perpendicularly through perforation, can play better like this and effect that is spacing and that prevent dust etc. from entering is carried out to the movement of terminal 23.
In figure 5d, the external connection part 233 of terminal 23 moves in lower space S2 as shown in Figure 5 c.
For the embodiment with dividing plate 14, the position of external connection part 233 can be participated in limiting by the support of dividing plate 14 for the mid portion 232 of terminal 23; For the embodiment with dividing plate 13, also can be participated in limiting by the support of the one or more lower edge in the slit in dividing plate 13 for the mid portion 232 of terminal 23; Also other can be adopted to limit mechanism.Limit mechanism can act on respectively, also jointly can play position-limiting action.
In the state shown in Fig. 5 d, the external connection part 233 of terminal 23 can be electrically connected with external plug (not shown), and this external plug is fixedly connected on socket part 12.
Because the terminal-connecting means shown in Fig. 3 and the difference of the terminal-connecting means shown in Fig. 2 only can be the change of restriction face G3 and corresponding lower space S2, the foregoing description for Fig. 5 a ~ Fig. 5 d is equally applicable to the situation coil rack shown in Fig. 4 being installed to the terminal-connecting means shown in Fig. 2.
In the embodiment according to Fig. 3, alternatively, external connection part 233 moves along direction shown in arrow in lower space S2.
In the embodiment with dividing plate 14, alternatively, the perforation on dividing plate 14 extends on its Breadth Maximum direction, to form a perforated slot, thus external connection part 233 can be made can to move along direction shown in arrow in Fig. 5 d in this perforated slot.
Alternatively, the locating surface L3 being arranged on main part 11 and the locating surface L4 being arranged on terminal holding member 22 contact with each other and relative sliding, with participate in perpendicular direction, direction shown in arrow on carry out spacing to terminal 23.
Fig. 5 e shows the state after the movement carried out in Fig. 5 d.Now, because external connection part 233 moves a segment distance L, thus provide additional space for external plug, larger sized external plug can be accessed at socket part 12.
Fig. 6 a ~ Fig. 6 e shows the process coil rack shown in Fig. 4 being installed to terminal-connecting means in accordance with another embodiment of the present invention stage by stage.
As shown in Figure 6 a, be with the structure difference shown in Fig. 3 and Fig. 5 a, restriction face G1 and locating surface L1 is tilt relative to the bearing of trend of the external connection part 233 of terminal 23.Preferably, face G1 is limited parallel with locating surface L1.
Be similar to shown in Fig. 5 a, in the direction of the arrow the external connection part 233 of terminal 23 be advanced in the upper space S1 of terminal-connecting means 10.The direction of arrow indication can be parallel with the mid portion 232 of terminal 23.Locating surface L1 coordinates with locating surface L2, to limit the position of terminal 23 upstream end sub-connecting device 10, thus the external connection part 233 of terminal 23 can be prevented damaged because of collision.
State after Fig. 6 b motion shown in this Fig. 6 a completes.As shown in Figure 6 b, locating surface L1 and locating surface L2 contacts, thus achieves the restriction for the relative position between coil rack 20 and terminal-connecting means 10.Under the state that locating surface L1 and locating surface L2 contacts, external connection part 233 is close to restriction face G1 or contact with G1, but can not move to the direction of G1 again, thus external connection part 233 can be prevented damaged because of collision restriction face G1.
Equally, in other embodiments of the invention, also the location structure of similar locating surface L1 and locating surface L2 can not be had, but the movement of shaped framework coil 20 is stopped when external connection part 233 touches restriction face G1, or by the setting of installing for automaton, prevent external connection part 233 from touching restriction face G1.
Compared with the scheme of Fig. 5 b, terminal-connecting means 10 is tilt relative to the external connection part 233 of terminal 23, therefore, as long as the vertical height H meeting the upper space S1 of terminal-connecting means 10 slightly larger than external connection part 233 H projected length on a vertical plane, this external connection part 233 can be loaded terminal-connecting means 10.Because described projected length is less than the length of external connection part 233, therefore, the vertical height of the upper space of the terminal-connecting means 10 in Fig. 6 b can be less than the vertical height of the upper space of the terminal-connecting means 10 in Fig. 5 b, thus can reduce the size of terminal-connecting means 10.
Next, external connection part 233 is moved along the direction of arrow in Fig. 6 b, and this direction is parallel with the direction of external connection part 233.With similar shown in Fig. 5 c, external connection part 233 can move in the passage between restriction face G1 and restriction face G2.
In the embodiment with locating surface L1 and locating surface L2, locating surface L2 contacts with locating surface L1, and moves down along locating surface L1, also can play the effect limited the motion of terminal 23.
As fig. 6 c, external connection part 233 moves along the direction of arrow in Fig. 6 b, through the perforation being arranged at dividing plate 14.Due to compared with Fig. 5 c, external connection part 233 inserts perforation obliquely, therefore, the projection of perforation in the plane vertical with external connection part 233 needs the cross section at least covering external connection part 233, thus makes external connection part 233 can pass perforation with the angle of pre-determined tilt.
Alternatively, if be greater than the length of external connection part 233 to the vertical range the lower edge of upper space S1 from dividing plate 14, also perforation can be passed perpendicularly through.The effect preventing dust etc. from entering can be played better like this.
In the state shown in Fig. 6 d, external connection part 233 arrives lower space S2, thus the restriction of the restriction face G1 no longer tilted.At this moment, terminal-connecting means 10 can be returned to angle as fig 5d relative to the angle of coil rack 20.At this moment, the external connection part 233 of terminal 23 can be electrically connected with external plug (not shown), and this external plug is fixedly connected on socket part 12.
In the embodiment with dividing plate 14, as previously mentioned, alternatively, the perforation of dividing plate 14 extends on its Breadth Maximum direction, to form a perforated slot, thus external connection part 233 can be made can to move along direction shown in arrow in Fig. 6 d in this perforated slot.
Alternatively, the locating surface L3 being arranged on main part 11 and the locating surface L4 being arranged on terminal holding member 22 contact with each other and relative sliding, with participate in perpendicular direction, direction shown in arrow on carry out spacing to terminal 23.
Fig. 6 e shows the state after the movement completed in Fig. 6 d.Now, because external connection part 233 moves a segment distance L, thus provide additional space for external plug, larger sized external plug can be accessed at socket part 12.
Equally, in the embodiment of Fig. 6 a ~ Fig. 6 e, also the location structure of similar locating surface L1 and locating surface L2 can not be had, but the movement of shaped framework coil 20 is stopped when external connection part 233 touches restriction face G1, or by the setting of installing for automaton, prevent external connection part 233 from touching restriction face G1.
Equally, in the embodiment of Fig. 6 a ~ Fig. 6 e, alternatively, in the inner space of main part 11, dividing plate 13 is provided with.
In the aforementioned embodiment, the external connection part 233 of terminal 23 bends in 90 ° relative to mid portion 232, is convenient to like this mate with external plug, but also can adopts other bending angles.
In the assembling process that Fig. 5 a ~ Fig. 5 e and Fig. 6 a ~ Fig. 6 e describes respectively, the motion between coil rack 20 with terminal-connecting means 10 is relative, both can be that coil rack 20 moves relative to terminal-connecting means 10; Also can be that terminal-connecting means 10 moves relative to coil rack 20.
Fig. 7 is from the oblique view viewed from the inside of terminal-connecting means according to an embodiment of the invention.As shown in Figure 7, limiting face G1 is a smooth flat.In the prior art, partition part is provided with multiple slit pore, therefore the support force of this partition part is only from the effect of muscle several in partition part; But shown in Fig. 7 according in embodiments of the invention, restriction face G1 be a complete plane, be face support, intensity is higher.
Fig. 8 is from the oblique view viewed from the inside of terminal-connecting means in accordance with another embodiment of the present invention.Compared with the embodiment shown in Fig. 7, the restriction face G1 of the terminal-connecting means 10 in Fig. 8 is provided with some boss G11, thus forms some inner groovies, external connection part 233 can move in corresponding embedded groove.This moves the movement in upper space S1 namely.
These grooves can play guiding function to the movement of external connection part 233, improve and install facility.On the other hand, this boss structure has filled up the space between the external connection part of two terminals of adjacent to a great extent, further reduce connected space that is outside and inside, thus improve the difficulty entered of dust or metal garbage, and then improve motor quality and fail safe.
In the terminal-connecting means 10 shown in Fig. 8, restriction face G3 is also provided with multiple boss G31, forms some inner groovies, external connection part 233 can correspondence enter in groove mobile.This moves i.e. aforesaid movement in lower space S2.Equally, boss G31 also can play the connected space that guide terminal moves and reduces outside and inside
Alternatively, restriction face G2 also has similar boss structure G21.In addition, restriction face G2 also can be provided with another kind of boss structure---protruding G22, as shown in Figure 5 c.Protruding G22 does not play the guiding function to terminal motion, but for limiting the end that external plug is inserted, making it be not easy, playing positioning action.
These boss structures G11, G21 and G31 can be independent settings.
Usually, the number of terminal is more than or equal at the number of the groove of restriction face G1, G2 or G3 setting.Preferably, the number of groove equals the number of terminal, and such as, when terminal is five, perforation also has five.In addition, alternatively, the size of groove also with the fit heads of terminal, that is, the minimum widith of groove, at least slightly larger than the diameter (circular cross section terminal) of terminal or the width (square cross section terminal) of terminal, can enter in corresponding groove to make external connection part 233.
Fig. 9 is perspective cross section schematic diagram terminal-connecting means and coil rack assembled mutually.
Figure 10 is the whole structure schematic diagram after terminal-connecting means and coil rack being assembled together.
Figure 11 has schematically shown the cross-section structure of the motor after the assembling of terminal-connecting means and coil rack.As shown in figure 11, motor 1 at least comprises terminal-connecting means 10, coil rack 20, and is arranged on the terminal 23 on coil rack 20.Motor 1 can also comprise fixed mechanism, and for terminal-connecting means 10 and coil rack 20 being fixed together, such as, cover plate 30 and shell 40, can play the effect of fixed mechanism.
Figure 12 is the schematic diagram in a part of cross section of motor shown in Figure 11.
According to the present invention, before coil rack 20 is assembled together with terminal-connecting means 10, usually, terminal 23 is bent and coiling process.Figure 13 a ~ Figure 13 d schematically shows bending for terminal and coiling processing procedure.
First, after terminal 23 inserted terminals support component 22, as depicted in fig. 13 a, the winding portion 231 of terminal 23 is upwards bent relative to mid portion 232, external connection part 233 is bent downwards relative to mid portion 232, and winding portion 231, mid portion 232 and external connection part 233 are in same plane, thus form coil rack as shown in Figure 4.Preferably, winding portion 231 and external connection part 233 on conplane rightabout respectively perpendicular to mid portion 232.
Next, coiling process is carried out, as illustrated in fig. 13b.Many enamelled wires are wound in the winding portion 23 of each self-corresponding terminal 23 respectively.Specifically, first draw the enamelled wire corresponding with terminal 23 from coil rack main body 21, then position separated time respectively by the multiple junction poles 221 be arranged on terminal holding member 22, finally each bar enamelled wire is wound into respectively in the winding portion 231 of each self-corresponding terminal 23.Such as, for the situation of 5 butt, corresponding 8 enamelled wires usually, 1 is had for public terminal in 5 butt, be wound around 4 enamelled wires, 4 butts are each is wound around 1 enamelled wire for all the other, thus make winding mode connect post doubling mode by former 6 to become 5 binding post doubling modes.Preferably, using the terminal of centre as public terminal.
The location separated time effect of junction pole 221 can make to maintain a certain distance between enamelled wire and terminal, thus makes coiling process more accurately, fast.The enlarged drawing of Figure 13 b show coiling process complete after state.
After having carried out coiling process, usually tin process is warded off to winding portion 231, conducted with the enamelled wire realizing terminal 23 corresponding with it.
Through coiling with after warding off tin process, enamelled wire may stretch tight tighter, may break in the installation process below.According to embodiments of the invention, the process as Figure 13 c can be adopted to solve this problem.
In Figure 13 c, winding portion 231 is bent a less angle [alpha], from the level of tightness reducing enamelled wire again to the mid portion 232 of terminal 23.α can be a very little acute angle, can play the effect of loose ends.The enlarged drawing of Figure 13 c show loose ends process complete after state.
Figure 13 d terminal 23 shown in Figure 13 c after bending process does not comprise the skeleton structure of enamelled wire.
In addition, alternatively, after described coiling and warding off tin process, bending external connection part 233.
Figure 14 is the vertical view of the coil rack with junction pole.In fig. 14, external connection part 233 not yet bends.
Figure 15 schematically shows the state after the coil rack coiling shown in Figure 14.
In other embodiments in accordance with the invention, alternatively, junction pole 221 is replaced with a point wire casing 222, as shown in figure 16.Figure 17 schematically shows the state after the coil rack coiling shown in Figure 16.
According to the motor of the embodiment of the present invention, preferably, be a kind of stepping motor.
According to terminal-connecting means of the present invention and motor, by arranging the mechanisms such as narrow movable passageway and dividing plate, reduce interface channel that is outside and inside to a great extent, thus improve the difficulty entered of dust or metal garbage, and then improve motor quality and fail safe.
According to coil rack of the present invention and stepping motor, can board structure of circuit be saved, simplify the structure, reduce cost.
The above is only exemplary embodiment of the present invention, but not for limiting the scope of the invention, protection scope of the present invention is determined by appended claim.
Claims (17)
1. a terminal-connecting means (10), comprising: main part (11), socket part (12), wherein, described socket part (12) is formed at the front portion of described main part (11) and has downward opening, it is characterized in that
Described main part (11) is provided with the first restriction face (G1) and the second restriction face (G2), form the first inner space (S1) being participated in the described terminal-connecting means (10) limited by described first restriction face (G1), and second inner space (S2) of the described terminal-connecting means (10) limited is participated in by described second restriction face (G2) and described socket part (12), thus make the external connection part of terminal (23) (233) described second inner space (S2) can be moved to by the gallery between described first restriction face (G1) and described second restriction face (G2) from described first inner space (S1).
2. terminal-connecting means according to claim 1 (10), it is characterized in that, described external connection part (233) moves to described second inner space (S2) along its direction of extension from described first inner space (S1).
3. terminal-connecting means according to claim 1 (10), it is characterized in that, described first restriction face (G1) and/or described second restriction face (G2) are provided with multiple boss (G11, G21), described external connection part (233) is made can to move in the groove between two adjacent lands.
4. terminal-connecting means according to claim 1 (10), it is characterized in that, described main part (11) is provided with the first locating surface (L1), it coordinates with second locating surface (L2) of the terminal holding member (22) being arranged on coil rack (20), guides described external connection part (233) to move to described second inner space (S2) from described first inner space (S1).
5. terminal-connecting means according to claim 1 (10), it is characterized in that, described first inner space (S1) is provided with the first dividing plate (13), is provided with the slit passed for described external connection part (233) at this first dividing plate (13).
6. terminal-connecting means according to claim 1 (10), it is characterized in that, in described second inner space (S2), be provided with second partition (14), be provided with the perforation of passing for described external connection part (233) at this second partition (14).
7. terminal-connecting means according to claim 1 (10), it is characterized in that, described socket part (12) is provided with the 3rd restriction face (G3), jointly participated in limiting described second inner space (S2) by described second restriction face (G2), described 3rd restriction face (G3) and described socket part (12), after making described external connection part (233) enter described second inner space (S2), can move a certain distance (L) to described socket part (12).
8. terminal-connecting means according to claim 7 (10), it is characterized in that, described 3rd restriction face (G3) is provided with multiple boss (G31), described external connection part (233) can be moved in the groove between two adjacent lands.
9. terminal-connecting means according to claim 7 (10), it is characterized in that, described main part (11) is provided with the 3rd locating surface (L3), it coordinates with the 4th locating surface (L4) of the terminal holding member (22) being arranged on coil rack (20), guides described external connection part (233) the mobile described distance (L) of the introversive described socket part (12) of described second inner space (S2).
10. a stepping motor (1), is characterized in that, comprises the terminal-connecting means (10) according to any one of claim 1-9.
11. 1 kinds of stepping motors (1), it comprises terminal-connecting means (10) and coil rack (20), wherein,
Described coil rack (20), comprise: framework main (21), the terminal holding member (22) be fixedly connected with described framework main (21), and by the fixing terminal (23) of this terminal holding member (22), described terminal-connecting means (10), comprise: main part (11), socket part (12), wherein, described socket part (12) is formed at the front portion of described main part (11) and has downward opening
It is characterized in that,
Described terminal (23) comprising: winding portion (231), mid portion (232) and external connection part (233),
Described main part (11) is provided with the first restriction face (G1) and the second restriction face (G2), form the first inner space (S1) being participated in the described terminal-connecting means (10) limited by described first restriction face (G1), and second inner space (S2) of the described terminal-connecting means (10) limited is participated in by described second restriction face (G2) and described socket part (12), thus make the external connection part of terminal (23) (233) described second inner space (S2) can be moved to by the gallery between described first restriction face (G1) and described second restriction face (G2) from described first inner space (S1).
12. stepping motors according to claim 11 (1), it is characterized in that, described winding portion (231) and described external connection part (233) bend relative to described mid portion (232) in the opposite direction in same plane, wherein, the angle that described winding portion (231) bends relative to described mid portion (232) is slightly larger than 90 °, and the angle that described external connection part (233) bends relative to described mid portion (232) equals 90 °.
13. stepping motors according to claim 11 (1), is characterized in that, described terminal holding member (22) is provided with multiple junction pole (221) or point wire casing (222).
The assembly method of 14. 1 kinds of stepping motors, is characterized in that, comprising:
By the external connection part (233) of terminal (23), with the direction that the mid portion (232) with this terminal (23) is parallel, be advanced into the first inner space (S1) being participated in the described terminal-connecting means (10) limited by the first restriction face (G1) of terminal-connecting means (10);
Described external connection part (233) is moved to by the gallery between described first restriction face (G1) and the second restriction face (G2) of described terminal-connecting means (10) the second inner space (S2) being participated in the described terminal-connecting means (10) limited by described second restriction face (G2) and socket part (12) from described first inner space (S1).
The assembly method of 15. stepping motors according to claim 14, it is characterized in that, after described external connection part (233) enters described second inner space (S2), this external connection part (233) is moved a certain distance (L) to described socket part (12).
The assembly method of 16. stepping motors according to claim 14, it is characterized in that, before described terminal (23) is assembled to described terminal-connecting means (10), described terminal (23) to be bent, coiling and ward off tin process, comprising:
Described terminal (23) is inserted the terminal holding member (22) being arranged at coil rack (20), then, the winding portion (231) of described terminal (23) is bent vertically upward relative to described mid portion (232)
The enamelled wire corresponding with described terminal (23) is drawn from the framework main (21) of described coil rack (20), then position separated time respectively by the multiple junction poles (221) be arranged on described terminal holding member (22) or a point wire casing (222), finally each bar enamelled wire is wound into respectively in the winding portion (231) of each self-corresponding terminal (23);
Tin process is warded off to described winding portion (231);
In described coiling and before warding off tin process or afterwards, bend the external connection part (233) of described terminal (23) relative to described mid portion (232) vertically downward, make described winding portion (231) and described external connection part (233) on conplane rightabout respectively perpendicular to described mid portion (232).
The assembly method of 17. stepping motors according to claim 16, it is characterized in that, bending described terminal (23), coiling and after warding off tin process, described winding portion (231) is bent an angle (α), to realize loose ends process again to described mid portion (232).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310340500.5A CN103401348B (en) | 2013-08-06 | 2013-08-06 | Terminal-connecting means, apply its stepping motor and the assembly method of stepping motor |
| KR1020140060732A KR101612606B1 (en) | 2013-08-06 | 2014-05-21 | Terminal connecting device, step motor using the same, and method of assembling the step motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310340500.5A CN103401348B (en) | 2013-08-06 | 2013-08-06 | Terminal-connecting means, apply its stepping motor and the assembly method of stepping motor |
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| CN103401348A CN103401348A (en) | 2013-11-20 |
| CN103401348B true CN103401348B (en) | 2015-12-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2015130760A (en) * | 2014-01-08 | 2015-07-16 | 日本電産サンキョー株式会社 | Coil bobbin and motor |
| JP7072427B2 (en) * | 2018-03-30 | 2022-05-20 | 日本電産サンキョー株式会社 | motor |
| CN113141079A (en) * | 2020-01-19 | 2021-07-20 | 珠海格力电器股份有限公司 | Electric machine |
| CN113497507B (en) * | 2020-03-20 | 2022-09-09 | 江苏雷利电机股份有限公司 | Coil assembly, winding method and corresponding motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1170271A (en) * | 1996-05-21 | 1998-01-14 | 株式会社东富士制作所 | Stepping motor |
| CN200965940Y (en) * | 2006-10-30 | 2007-10-24 | 蔡添庆 | Dustproof, high frequency resistant electrical connector |
| CN203398918U (en) * | 2013-08-06 | 2014-01-15 | 常州乐士雷利电机有限公司 | Terminal connecting device and stepping motor with application of same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5225698B2 (en) * | 2008-01-30 | 2013-07-03 | 株式会社ミツバ | Brush holder manufacturing method, brush holder and motor |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1170271A (en) * | 1996-05-21 | 1998-01-14 | 株式会社东富士制作所 | Stepping motor |
| CN200965940Y (en) * | 2006-10-30 | 2007-10-24 | 蔡添庆 | Dustproof, high frequency resistant electrical connector |
| CN203398918U (en) * | 2013-08-06 | 2014-01-15 | 常州乐士雷利电机有限公司 | Terminal connecting device and stepping motor with application of same |
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Inventor after: Ding Weichao Inventor after: Hua Rongwei Inventor after: Yuan Tiejun Inventor after: Zheng Lei Inventor before: Ding Weichao Inventor before: Hua Rongwei |
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Address after: Wujin District 213011 of Jiangsu Province, Changzhou City Yaoguan Tong Road No. 19 Applicant after: JIANGSU LEILI MOTOR Co.,Ltd. Address before: 213011 Qian Qian village, Guan yuan town, Wujin District, Jiangsu, Changzhou Applicant before: Changzhou Leshi Leili Motor Co.,Ltd. |
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Denomination of invention: Terminal connection device, stepper motor applied to it, and assembly method of stepper motor Granted publication date: 20151223 Pledgee: Zijin Trust Co.,Ltd. Pledgor: JIANGSU LEILI MOTOR Co.,Ltd. Registration number: Y2024980002860 |