CN104104172A - Motor - Google Patents
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- Publication number
- CN104104172A CN104104172A CN201410125584.5A CN201410125584A CN104104172A CN 104104172 A CN104104172 A CN 104104172A CN 201410125584 A CN201410125584 A CN 201410125584A CN 104104172 A CN104104172 A CN 104104172A
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- Prior art keywords
- protuberance
- motor
- terminal pins
- wall portion
- outer cover
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- 238000003780 insertion Methods 0.000 claims description 41
- 230000037431 insertion Effects 0.000 claims description 41
- 230000008878 coupling Effects 0.000 claims description 38
- 238000010168 coupling process Methods 0.000 claims description 38
- 238000005859 coupling reaction Methods 0.000 claims description 38
- 238000004804 winding Methods 0.000 claims description 30
- 230000008093 supporting effect Effects 0.000 claims description 24
- 238000005452 bending Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 17
- 230000002093 peripheral effect Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 241001061264 Astragalus Species 0.000 description 6
- 238000005192 partition Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
A motor is capable of effectively suppressing displacement of a connecting part of a terminal pin extending at a connector inserting part. In the motor, a connector shell (92) of an outer cover (9) is provided with a projection (95), the projection (95) supports a base side of a second part (82) from two sides of a direction (X-axis direction) perpendicular to two directions, i.e., an extension direction (Y-axis direction) of a first part (81) of a terminal pin (8) and an extension direction (Z-axis direction) of the second part (82) (connecting part), the second part (82) extends towards one side (Z1) of the Z-axis direction at a connector inserting part (90). Therefore, the base side of the second part (82) can be supported from two sides of the X-axis direction through the projection (95). In this way, the case that the connector cannot be inserted into the connector inserting part as the second part (92) of the terminal pin (8) inclines towards the X-axis direction when the connector is inserted into the connector inserting part can be avoided.
Description
Technical field
The present invention relates to cover the coupling part of terminal pins and form the motor of the outer cover of connector insertion section a kind of comprising from radial outside.
Background technology
At the outer cover by cover the coupling part being connected with connector of terminal pins from radial outside, form the motor of connector insertion section, be held in a plurality of terminal pins of terminal board of the radial outside that is arranged on motor body portion after radial outside extends, crooked and be positioned at the inner side of connector insertion section towards motor axis direction as coupling part.At this, if there is partition between terminal board and outer cover, terminal pins cannot be extended to connector insertion section.Therefore, proposed to be provided with at partition the motor of the slit pore extending along motor axis direction, in this motor, by making crooked terminal pins through slit pore, can make terminal pins extend to connector insertion section (referring to Patent Document 1).
Patent documentation 1: Japanese kokai publication hei 9-312963 communique
In the motor extending in connector insertion section in the coupling part of terminal pins, the state of coupling part in being shifted in connector insertion section.Therefore, wanting by connector being inserted into while connector being connected in connector insertion section with coupling part, sometimes because terminal pins tilts cannot insert connector.Therefore, preferably keep terminal pins and prevent that terminal pins from tilting.
On the other hand, in the structure of recording at patent documentation 1, be the structure that keeps terminal pins by slit pore, but because this holding position is arranged at the partition that leaves connector insertion section, therefore cannot keep the coupling part of extending in connector insertion section in terminal pins, thereby be difficult to prevent that coupling part from tilting.
Summary of the invention
In view of above problem, problem of the present invention is to provide a kind of motor that can effectively suppress the coupling part of extending in the connector insertion section displacement of terminal pins.
In order to solve above-mentioned problem, motor involved in the present invention has: motor body portion, and described motor body portion comprises rotor and stator; Terminal board, described terminal board is arranged on the radial outside of described motor body portion; A plurality of terminal pins, described a plurality of terminal pins are held in described terminal board, and for to the power supply of described motor body portion; And outer cover, described outer cover is installed on described motor body portion to cover the mode of described terminal board at radial outside, and form the connector insertion section towards a side opening of motor axis direction, described a plurality of terminal pins is included in respectively the coupling part that extend towards a side of motor axis direction described connector insertion section, at described outer cover, be provided with protuberance, described protuberance is outstanding at the inner surface of described outer cover, and from the base portion side of coupling part described in the two-side supporting of the direction of the bearing of trend quadrature with described coupling part.
In the present invention, at outer cover, be provided with protuberance, described protuberance is from the base portion side of the coupling part of extending in connector insertion section of the two-side supporting terminal pins of the direction of the bearing of trend quadrature with coupling part.Therefore, can avoid cannot inserting connector being inserted into the coupling part inclination of connector insertion section Nei Shiyin terminal pins the situation of connector.
In the present invention, preferably described a plurality of terminal pins comprise respectively first and second portion, described first extends towards radial outside from described terminal board, described second portion bends and forms described coupling part at the terminal part of described first, and described protuberance is from the base portion side of second portion described in the two-side supporting of the direction of this both direction quadrature of bearing of trend of the bearing of trend with described first and described second portion.By this structure, no matter between terminal board and outer cover, whether there is partition, can both the bearing of trend of Cong Yu first and the two-side supporting second portion of the direction of this both direction quadrature of the bearing of trend of second portion.And, because protuberance keeps the base portion side of second portion, so can effectively suppress second portion displacement.Therefore, can avoid cannot inserting connector being inserted into the second portion inclination of connector insertion section Nei Shiyin terminal pins the situation of connector.
In the present invention, preferred described protuberance supports the sweep between described first and described second portion.By this structure, owing to can supporting reliably the base portion side of second portion, therefore can effectively suppress second portion displacement.And, due to when covering the mode in the outside of terminal board outer cover is set, as long as the sweep of terminal pins is inserted between protuberance, so easily second portion is extended to connector insertion section.
In the present invention, preferably, in described outer cover, with respect to the part that is formed with described protuberance, lean on a side of described terminal board in open state.By this structure, easily to cover the mode in the outside of terminal board, outer cover is set.
In the present invention, preferred described protuberance comprises the end face of a side of extending towards described second portion.By this structure, can make the end face of protuberance play a role as the limiting unit that connector is limited.
In the present invention, preferred described protuberance comprises that sloping floor is to the inclined-plane of a side of the residing side of described terminal board and the extension of described second portion.By this structure, when the mode in the outside with covering terminal board arranges outer cover, easily terminal pins is inserted between protuberance.
In the present invention, can adopt following structure: the described inner surface at described outer cover is provided with the first wall portion and the second wall portion, described the first wall portion is positioned at the contrary side of a side of extending with described first with respect to described second portion, described the second wall portion is positioned at the contrary side of a side of extending with described second portion with respect to described first, described protuberance is arranged at the angle part between described the first wall portion and described the second wall portion.By this structure, when covering the mode in the outside of terminal board outer cover is set, the first wall portion and the second wall portion play a role as the guiding piece that terminal pins is guided or the receiving portion of bearing terminal pins.Therefore,, when the mode in the outside with covering terminal board arranges outer cover, easily second portion is extended to connector insertion section.
In the present invention, can adopt the state outstanding structure of described protuberance to be connected with described the first wall portion and described the second wall portion.
The one side-prominent structure that in the present invention, also can adopt that described protuberance extends towards described second portion from described the second wall portion in the position of leaving described the first wall portion.
In the present invention, also can adopt described protuberance in the position of leaving described the second wall portion from described the first wall portion towards the outstanding structure of described terminal board.
In the present invention, can adopt following structure: described terminal board is arranged on the radial outside of the drum stand parts that are wound with winding wire, described terminal pins comprises third part, described third part is crooked towards the opposite side of motor axis direction in the end of a side contrary with the residing side of described second portion of described first, and described winding wire is connected with described third part.
In the present invention, preferably the described inner surface at described outer cover is provided with the first wall portion and the second wall portion, described the first wall portion is positioned at the contrary side of a side of extending with described first with respect to described second portion, described the second wall portion is positioned at the contrary side of a side of extending with described second portion with respect to described first, described inclined-plane extends to described the first wall portion from the described second wall portion of the residing side of described terminal board.By this structure, when the mode in the outside with covering terminal board arranges outer cover, easily terminal pins is inserted between protuberance.
In the present invention, preferred described protuberance forms cylindric or prism-shaped.
In the present invention, be preferably formed with four described protuberances, described terminal pins is five, and three terminal pins between outermost described two terminal pins in described five terminal pins are supported by described protuberance.And, preferred described outer cover comprises frame portion and connector shell, described frame portion is rectangular, described connector shell is covering described frame portion than described frame portion by the position of radial outside, outermost two terminal pins that are positioned in described five terminal pins are supported by male member and described protuberance, and described male member is outstanding from forming the inner surface of limit part of described frame portion.
In the present invention, in the thickness of preferred described protuberance, the thickness of the part of the residing side of described sweep of described terminal pins is larger, the thickness of described protuberance, along with the residing side of the described sweep from described terminal pins diminishes towards a side of described motor axis direction, forms the end face of a side of extending towards described second portion.Therefore, easily terminal pins is inserted between protuberance.
In the present invention, preferred described end face plays a role as the limiting unit that the connector being inserted in described connector insertion section is limited.Therefore, easily insert connector.
In the present invention, at outer cover, be provided with protuberance, the base portion side of the coupling part of in connector insertion section extending of described protuberance from the two-side supporting terminal pins of the direction of the bearing of trend quadrature with coupling part.Therefore, can avoid cannot inserting connector being inserted into the coupling part inclination of connector insertion section Nei Shiyin terminal pins the situation of connector.
Accompanying drawing explanation
Fig. 1 (a), Fig. 1 (b) are for illustrating the integrally-built key diagram of the related motor of embodiments of the present invention 1.
Fig. 2 be unilateral observation that the side from giving prominence to output shaft is contrary to the stereogram of the related motor of embodiments of the present invention 1.
The key diagram of the terminal board that Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are the related motor of the embodiments of the present invention 1 observed from radial outside etc.
The key diagram of the terminal board that Fig. 4 (a), Fig. 4 (b), Fig. 4 (c) are the related motor of the embodiments of the present invention 1 observed from radially inner side etc.
Fig. 5 (a), Fig. 5 (b), Fig. 5 (c) have covered the key diagram of the state of terminal pins for what the related motor of embodiments of the present invention 1 was shown by outer cover.
Fig. 6 (a), Fig. 6 (b), Fig. 6 (c) key diagram for the outer cover of the related motor of embodiments of the present invention 1 is illustrated separately.
Fig. 7 (a), Fig. 7 (b), Fig. 7 (c) key diagram for the outer cover of the related motor of embodiments of the present invention 2 is illustrated separately.
Fig. 8 (a), Fig. 8 (b), Fig. 8 (c) key diagram for the outer cover of the related motor of embodiments of the present invention 3 is illustrated separately.
Fig. 9 (a), Fig. 9 (b), Fig. 9 (c) key diagram for the outer cover of the related motor of embodiments of the present invention 4 is illustrated separately.
(symbol description)
1 motor;
2 motor shells;
3 stators;
5 rotors;
8 terminal pins;
9 outer covers;
35 terminal boards;
80 coupling parts;
The first of 81 terminal pins;
The second portion of 82 terminal pins;
The third part of 83 terminal pins;
86, the sweep of 87 terminal pins;
90 connector insertion sections;
92 connector shells;
The inner surface of 92a connector shell;
92c the first wall portion;
95 protuberances;
925a the second wall portion;
951 end faces;
952 inclined-planes.
Embodiment
With reference to accompanying drawing, to having applied motor of the present invention, describe.In addition, in the following description, three mutually orthogonal directions are made as to X-direction, Y direction and Z-direction, and the bearing of trend of motor axis is made as to Z-direction.And, a side of X-direction is made as to X1 side, the opposite side of X-direction is made as to X2 side, one side of Y direction is made as to Y1 side, the opposite side of Y direction is made as to Y2 side, a side of Z-direction is made as to Z1 side, the opposite side of Z-direction is made as to Z2 side and describes.And the side that the output shaft of motor is given prominence to is made as Z2 side.
[execution mode 1]
Fig. 1 (a), Fig. 1 (b) be for the integrally-built key diagram of the related motor of embodiments of the present invention 1 is shown, the stereogram that Fig. 1 (a), Fig. 1 (b) are respectively the motor of observing from the outstanding outlet side of output shaft (Z2 side) with and exploded view.Fig. 2 is the stereogram of the related motor of the embodiments of the present invention 1 observed from the contrary side (Z1 side) of a side of giving prominence to output shaft.
As shown in Figure 1, the motor 1 of present embodiment is for utilizing the gear motor of stepper motor.In this motor 1, the 1a of motor body portion have have the motor shell being made of metal 2 of round-ended cylinder shape, the end plate 61 of the openend of closed motor housing 2, be configured in the inner side of motor shell 2 stator cylindraceous 3, be configured in the inner side of stator 3 rotor 5, with respect to end plate 61 be configured in a side Z1 of Z-direction base plate 65, be configured in reducing gear train 7 between base plate 65 and end plate 61, from end plate 61 towards outstanding output shaft 50 of the opposite side Z2 of Z-direction etc.
Stator 3 comprises being wound with and forms A mutually with the first coil winding frame 31 of the First Line astragal 36 of the first coil be wound with formation B and use mutually the second coil winding frame 32, the first coil winding frames 31 and second coil winding frame 32 of the second winding wire 37 of the second coil to arrange to go up overlapping mode in motor axis direction (Z-direction).The first coil winding frame 31 is configured in the outstanding outlet side (the opposite side Z2 of Z-direction) of output shaft 50 in motor axis direction, and the second coil winding frame 32 is configured in the output opposition side (a side Z1 of Z-direction) of motor axis direction.The first coil winding frame 31 is synthetic resin, and comprises and be wound with the cylindrical body portion 310 of First Line astragal 36 and in the pair of flanges portion 311,312 of the both ends of cylindrical body portion 310 hole enlargement.The second coil winding frame 32 and the first coil winding frame 31 are roughly the same, are also synthetic resin, and comprise and be wound with the cylindrical body portion 320 of the second winding wire 37 and in the pair of flanges portion 321,322 of the both ends of cylindrical body portion 320 hole enlargement.
In stator 3, in the overlapping mode of the flange part 311 of the outlet side with the first coil winding frame 31, dispose A and use mutually external stator core 41, in the overlapping mode of flange part 312 with the first coil winding frame 31, dispose A and use mutually inner-stator iron core 42.Although omit part diagram, but use mutually in external stator core 41 and inner-stator iron core 42 at A, from the inner peripheral of flange shape annulus portion, towards motor axis direction (Z-direction), be bent to form a plurality of utmost point teeth, the utmost point tooth of external stator core 41 and the utmost point tooth of inner-stator iron core 42 are along the inner peripheral surface of the first coil winding frame 31 alternate configurations on circumferentially.And, in the overlapping mode of flange part 321 with the second coil winding frame 32, dispose B and use mutually external stator core 43, in the overlapping mode of the flange part 322 of the outlet side with the second coil winding frame 32, dispose B and use mutually inner-stator iron core 44.With A use mutually external stator core 41 and inner-stator iron core 42 identical, at this B, use mutually in external stator core 43 and inner-stator iron core 44 the also inner peripheral from flange shape annulus portion to be bent to form a plurality of utmost point teeth towards motor axis direction (Z-direction), the utmost point tooth of external stator core 43 and the utmost point tooth of inner-stator iron core 44 are along the inner peripheral surface of the second coil winding frame 32 alternate configurations on circumferentially.
Inner side at the stator 3 of this structure disposes rotor 5.Rotor 5 comprises the rotating shaft 51 extending along motor axis direction (Z-direction) and the rotor magnet (not shown) that is fixed in the outer peripheral face of rotating shaft 51, and rotating shaft 51 is supported as rotating by fulcrum 511.The outer peripheral face of rotor magnet is opposed with the utmost point tooth that the inner peripheral surface at stator 3 is arranged, and on the outer peripheral face edge of rotor magnet, circumferential alternative arrangement has the S utmost point and the N utmost point.Outer peripheral face in the outlet side end of rotating shaft 51 is formed with gear 510.
Outlet side end face overlay configuration at stator 3 has circular base plate 65, and in described base plate 65, two supporting boards 657 are outstanding towards the opposite side Z2 of Z-direction.Supporting board 657 is for connecting the hole 617 of described base plate 65 and end plate 61.And, in the central authorities of base plate 65, be formed with for the outstanding medium pore 650 of rotating shaft 51.
The opposed position of in end plate 61 and medium pore 650 base plate 65 forms the bearing 69 that keeps fulcrum 511, in the surrounding of bearing 69, is formed with four axis holes 611,612,613,614.In addition, the output opposition side end of the fulcrum 511 of rotating shaft 51 is held in the bearing (not shown) of bottom 22 central authorities that are formed on motor shell 2.
At end plate 61, be formed with circular through hole 615, described through hole 615 is outstanding for the outlet side end of output shaft 50.Surrounding at through hole 615 is formed with the cylindrical portion 616 of output shaft 50 supportings for rotating.In axis hole base plate 65 and end plate 61 611,612,613,614 opposed positions, be formed with axis hole, utilize described axis hole between base plate 65 and end plate 61, to keep forming the fulcrum of the first gear 71, the second gear 72, the 3rd gear 73 and the 4th gear 74 of reducing gear train 7.And, at end plate 61, be formed with and become two teats 618 that are installed on the installation portion of motor apparatus from mutual opposed both sides.
In the motor 1 so forming, need to be to First Line astragal 36 and the second winding wire 37 power supplies of the 1a of motor body portion.In order to carry out this power supply, in the motor 1 of present embodiment, at the opposite side Y2(radial outside of the Y direction of the flange part 311 of the first coil winding frame 31) be formed with terminal board 35.And, at terminal board 35, maintain five terminal pins 8(terminal pins 8a, 8b, 8c, 8d, 8e), the end of First Line astragal 36 and the second winding wire 37 is connected with terminal pins 8.
And, at the 1a of motor body portion with the opposite side Y2(radial outside in Y direction) mode that covers terminal board 35 is provided with the outer cover 9 being formed from a resin.In the present embodiment, be formed with otch 229, and in the circumferential both sides of outer cover 9, be formed with hook portion 99 at motor shell 2, hook portion 99 enters and engages with motor shell 2 from the inner side of otch 229, thereby outer cover 9 is installed on to motor shell 2.And, at end plate 61, be formed with two holes 619, and be formed with the outstanding projection 98 towards the opposite side Z2 of Z-direction at outer cover 9.Therefore, when hook portion 99 is sticked in to motor shell 2, by projection 98 is embedded in hole 619, can be in the assigned position stationary housings 9 of the 1a of motor body portion.
Outer cover 9 is set if so, as shown in Figure 2, opposite side Y2(radial outside in the Y direction of the 1a of motor body portion) each end side consisting of towards 90, five terminal pins 8 in connector insertion section of a side Z1 opening of Z-direction outer cover 9 is positioned at described connector insertion section 90.
(detailed structure of terminal pins 8 and terminal board 35)
The key diagram of the terminal board 35 that Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are the related motor 1 of the embodiments of the present invention 1 observed from radial outside (the opposite side Y2 of Y direction) etc., Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are respectively with respect to terminal board 35 and are provided with the stereogram of the state of outer cover 9, the stereogram of state of having dismantled outer cover 9 from terminal board 35 and the stereogram of the state before terminal pins 8 is installed on to terminal board 35.The key diagram of the terminal board 35 that Fig. 4 (a), Fig. 4 (b), Fig. 4 (c) are the related motor 1 of the embodiments of the present invention 1 observed from radially inner side (a side Y1 of Y direction) etc., Fig. 4 (a), Fig. 4 (b), Fig. 4 (c) are for to be provided with the stereogram of the state of outer cover 9, the stereogram of state of having dismantled outer cover 9 from terminal board 35 and the stereogram of the state before terminal pins 8 is installed on to terminal board 35 with respect to terminal board 35.
As shown in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) and Fig. 4 (a), Fig. 4 (b), Fig. 4 (c), five terminal pins 8 all have the coupling part 80 of extending towards a side Z1 of Z-direction in the inner side of connector insertion section 90, and connector (not shown) is connected with described coupling part 80.In the present embodiment, five terminal pins 8 all have the structure that a metal pins bending is formed, and there is first 81 and second portion 82, first 81 extends towards radial outside from terminal board 35, and the end of second portion 82Cong first 81 is crooked and extend towards a side Z1 of Z-direction towards a side Z1 of Z-direction as coupling part 80.Therefore, between five terminal pins 8 Jun firsts 81 and second portion 82, be formed with crooked sweep 86 in 90 °.And, five terminal pins 8 all have third part 83, the end of a side contrary with the residing side of second portion 82 of third part 83 first 81 is crooked and extend obliquely towards the opposite side Z2 of Z-direction towards the opposite side Z2 of Z-direction, is formed with the sweep 87 with the angular bend below 90 ° between first 81 and third part 83.In the terminal pins 8 of this structure, the end of First Line astragal 36 and the second winding wire 37 is connected with third part 83.At this, in five terminal pins 8, be positioned at by the first 81 of the terminal pins 8e of the position of a side of X-direction shorter than the first 81 of other terminal pins 8a, 8b, 8c, 8d.Therefore, although the sweep 86 of five terminal pins 8 is arranged in row in X-direction, the sweep 87 of terminal pins 8e is positioned at the position by radial outside (the opposite side Y2 of Y direction) than the sweep of other terminal pins 8a, 8b, 8c, 8d.Described terminal pins 8e shares.
In the present embodiment, terminal board 35 forms the radial outside at the opposite side Y2(of the Y direction of the flange part 311 of the first coil winding frame 31) towards the outstanding thick wall part of the opposite side Z2 of Z-direction, and be positioned at the opposite side Z2 of Z-direction of inner side of the otch 229 of the motor shell 2 shown in Fig. 1 (b).And, at terminal board 35, maintain the first 81 in five terminal pins 8 of position, many places bending.This structure can be by when carrying out resin forming to the first coil winding frame 31, five terminal pins 8 are one-body molded with the state of linearly extension after, five terminal pins 8 are carried out to bending process and form.And, also can be by when the first coil winding frame 31 be carried out to resin forming, be pre-formed the hole of the first 81 that keeps terminal pins 8, and after five terminal pins 8 are inserted in this hole with the state of linearly extension, five terminal pins 8 are carried out to bending process and form this structure.
The residing part of bending part 87 of the terminal pins 8 in the surface of the radially inner side of terminal board 35 becomes groove shape recess 352, and bending part 87 is positioned at groove shape recess 352.Therefore, the bending part 87 of terminal pins 8 is not outstanding from the surface of the radially inner side of terminal board 35.And, between terminal pins 8a and terminal pins 8b in the surface of the radial outside of terminal board 35, between terminal pins 8c and terminal pins 8d and be formed with groove 351 between terminal pins 8d and terminal pins 8e, this groove 351 is formed to the surface of opposite side Z2 of the Z-direction of terminal board 35.
In addition, the projection 312a of a side Z1 of Z-direction of flange part 312 that is formed at the first coil winding frame 31 is for carrying out and with reference to the location between the inner-stator iron core 42 of figure 1 explanation.
(detailed structure of outer cover 9)
Fig. 5 (a), Fig. 5 (b), Fig. 5 (c) cover the key diagram of the state of terminal pins 8 for what the related motor of embodiments of the present invention 11 was shown by outer cover 9, the upward view of the front view of the stereogram that Fig. 5 (a), Fig. 5 (b), Fig. 5 (c) are the outer cover 9 observed from radially inner side (a side Y1 of Y direction), the outer cover 9 of observing from radially inner side (a side Y1 of Y direction) and the outer cover 9 observed from a side Z1 of Z-direction.Fig. 6 (a), Fig. 6 (b), Fig. 6 (c) key diagram for the outer cover 9 of the related motor 1 of embodiments of the present invention 1 is illustrated separately, the upward view of the front view of the stereogram that Fig. 6 (a), Fig. 6 (b), Fig. 6 (c) are the outer cover 9 observed from radially inner side, the outer cover 9 of observing from radially inner side and the outer cover 9 observed from a side Z1 of Z-direction.
As Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) and Fig. 4 (a), Fig. 4 (b), shown in Fig. 4 (c), outer cover 9 has frame portion 91, connector shell 92 and backboard portion 93, described frame portion 91 is rectangular, and be covered in the otch 229(of the motor shell 2 that disposes terminal board 35 with reference to figure 1(b)) outer rim, described connector shell 92 is at the opposite side Z2 by the Z-direction of the position covering frame portion 91 of radial outside (the opposite side Y2 of Y direction) than frame portion 91, described backboard portion 93 is at the radial outside (the opposite side Y2 of Y direction) by the position covering frame portion 91 of a side Z1 of Z-direction than connector shell 92.Therefore,, in outer cover 9, with respect to connector shell 92, lean on a side of terminal board 35 in open state.
At this, connector shell 92 is positioned at the position by radial outside (the opposite side Y2 of Y direction) than backboard portion 93, the connector insertion section 90 that connector shell 92 forms towards a side Z1 opening of Z-direction.
In forming four limit parts 911,912,913,914 of frame portion 91, in the limit part 911 that is positioned at the opposite side Z2 of Z-direction, be formed with projection 98, in the limit part 913,914 that is positioned at the both sides of circumferential (X-direction), be formed with hook portion 99.And, in the limit part 912 that is positioned at a side Z1 of Z-direction, be formed with the arc sections 912a with the outer peripheral face butt of motor shell 2.
As shown in Fig. 5 (a), Fig. 5 (b), Fig. 5 (c) and Fig. 6 (a), Fig. 6 (b), Fig. 6 (c), the second portion 82(coupling part 80 of extending towards a side Z1 of Z-direction from terminal board 35 of terminal pins 8) be positioned at connector insertion section 90, while observing from a side Z1 of Z-direction, described second portion 82 leaves the surface of radially inner side of connector shell 92 and the surface of the radial outside of backboard portion 93.And five terminal pins 8 90 are extended towards connector insertion section from a side of terminal board 35, in connector insertion section 90, adjacent terminal pins 8 each other in X-direction across the linearly arrangement in gap of regulation.
(for preventing the structure of the protuberance 95 that terminal pins 8 tilts)
In the present embodiment, at outer cover 9, be provided with protuberance 95, described protuberance 95 is outstanding at the inner surface of outer cover 9, the base portion side of the second portion 82 of the two-side supporting terminal pins 8 of the direction (X-direction) of this both direction quadrature of bearing of trend (Z-direction) of the bearing of trend of Bing Congyu first 81 (Y direction) and second portion 82.
More particularly, inner surface at the inner surface 92a(of connector shell 92 outer cover), in, the contrary side (the opposite side Y2 of Y direction) of a side of extending with respect to the second portion 82Yu first 81 of terminal pins 8 is formed with the first 92c of wall portion from the substantial middle position of Z-direction towards a side Z1.And, the substantial middle position of the Z-direction in the inner surface 92a of connector shell 92 is formed with the rib 925 of the square-section of extending along X-direction, the surface of one side Z1 of the Z-direction by described rib 925, in the inner surface 92a of connector shell 92, with respect to the first 81 of terminal pins 8, in the contrary side of a side of extending with second portion 82 (the opposite side Z2 of Z-direction), be formed with the second 925a of wall portion.At this, the angle part 92e between the first 92c of wall portion and the second 925a of wall portion is taper surface or arc surface, and is formed with four protuberances 95 at this angle part 92e.
Therefore, the sweep 86 of terminal pins 8b is the two-side supporting from X-direction by the protuberance 95 of both sides, the sweep 86 of terminal pins 8c is the two-side supporting from X-direction by the protuberance 95 of both sides, and the sweep 86 of terminal pins 8d is the two-side supporting from X-direction by the protuberance 95 of both sides.And the sweep 86 of terminal pins 8a is supported by the outstanding male member of the inner surface from limit part 913 at the opposite side X2 of X-direction, and supported by protuberance 95 at a side X1 of X-direction.And the sweep 86 of terminal pins 8e is supported by the outstanding male member of the inner surface from limit part 914 at a side X1 of X-direction, and is supported by protuberance 95 at the opposite side X2 of X-direction.
In the present embodiment, protuberance 95 is outstanding with the state being connected with the first 92c of wall portion and the second 925a of wall portion.And, the YZ cross section of protuberance 95 is trapezoidal shape, and protuberance 95 has end face 951 and inclined-plane 952, described end face 951 is towards the bearing of trend (a side Z1 of Z-direction) of second portion 82, the side (a side Z1 of Z-direction) that extend to the residing side of terminal board 35 (a side Y1 of Y direction) and second portion 82 952 sloping floors, described inclined-plane.Therefore, in protuberance 95, the thickness (size of Y direction) of the part of the residing side of sweep 86 (side of the second 925a of wall portion) of terminal pins 8 is larger, its thickness (size of Y direction) diminishes along with the side Z1 towards Z-direction, forms towards the end face 951 of the bearing of trend (a side Z1 of Z-direction) of second portion 82.Therefore, easily terminal pins 8 is inserted between protuberance 95.
(the main effect of present embodiment)
As described above, in the motor 1 of present embodiment, connector shell 92 at outer cover 9 is provided with protuberance 95, the coupling part 80 that the second portion 82(of the two-side supporting terminal pins 8 of the direction (X-direction) of the bearing of trend (Y direction) of described protuberance 95Cong Yu first 81 and this both direction quadrature of bearing of trend (Z-direction) of second portion 82 is connected with connector) base portion side, described second portion 82 extends towards a side Z1 of Z-direction in connector insertion section 90.Therefore, no matter between terminal board 35 and outer cover 9, whether there is partition, can both pass through protuberance 95 from the base portion side of the two-side supporting second portion 82 of X-direction.And, because protuberance 95 keeps the base portion side of second portion 82, so can effectively suppress second portion 82 displacements.Therefore, can avoid connector is inserted into connector insertion section 90 when interior the second portion 82 because of terminal pins 8 towards X-direction, tilt cannot insert the situation of connector.
Especially in the present embodiment, the first 81 in the base portion side of protuberance 95 supporting second portions 82 and the sweep 86 of second portion 82.Therefore, the base portion side of second portion 82 can be supported reliably, thereby second portion 82 displacements can be effectively suppressed.And, when the mode in the outside with covering terminal board 35 arranges outer cover 9, as long as the sweep of terminal pins 8 86 is inserted between protuberance 95, therefore easily second portion 82 is extended to connector insertion section 90.
And, in outer cover 9, with respect to the part (connector shell 92) that is formed with protuberance 95, lean on a side of terminal board 35 in open state.Therefore, when the mode in the outside with covering terminal board 35 arranges outer cover 9, can not be subject to the obstruction of terminal pins 8, therefore outer cover 9 is easily set.
And, because protuberance 95 plays a role as the limiting unit that connector is limited, therefore easily insert connector.Especially in the present embodiment, because protuberance 95 comprises the end face 951 of the bearing of trend (a side Z1 of Z-direction) towards second portion 82, so the end face 951 of protuberance 95 plays a role as the limiting unit that connector is limited.
And protuberance 95 comprises that sloping floor is to the inclined-plane 952 of the bearing of trend of the residing side of terminal board 35 and second portion 82.Therefore,, when the mode in the outside with covering terminal board 35 arranges outer cover 9, easily terminal pins 8 is inserted between protuberance 95.
And, inner surface 92a at the connector shell 92 of outer cover 9 is provided with the first 92c of wall portion and the second 925a of wall portion, the first 92c of wall portion is positioned at the contrary side of a side of extending with first 81 with respect to second portion 82, the second 925a of wall portion is positioned at the contrary side of a side of extending with second portion 82 with respect to first 81, protuberance 95 is arranged on the angle part 92e between the first 92c of wall portion and the second 925a of wall portion.Therefore,, when covering the mode in the outside of terminal board 35 outer cover 9 is set, the first 92c of wall portion and the second 925a of wall portion play a role as the guiding piece that terminal pins 8 is guided or the receiving portion of bearing terminal pins 8.Therefore,, when the mode in the outside with covering terminal board 35 arranges outer cover 9, easily second portion 82 is extended to connector insertion section 90.
[execution mode 2]
Fig. 7 (a), Fig. 7 (b), Fig. 7 (c) key diagram for the outer cover 9 of the related motor 1 of embodiments of the present invention 2 is illustrated separately, the upward view of the front view of the stereogram that Fig. 7 (a), Fig. 7 (b), Fig. 7 (c) are the outer cover 9 observed from radially inner side, the outer cover 9 of observing from radially inner side and the outer cover 9 observed from a side Z1 of Z-direction.In addition, because the basic structure of present embodiment is identical with execution mode 1, therefore corresponding part is marked to identical symbol and illustrate, and omit the explanation of these parts.
As shown in Fig. 7 (a), Fig. 7 (b), Fig. 7 (c), present embodiment is also provided with protuberance 95 at outer cover 9, described protuberance 95 is outstanding at the inner surface of outer cover 9, the coupling part 80 that the second portion 82(of the two-side supporting terminal pins 8 of the direction (X-direction) of this both direction quadrature of bearing of trend (Z-direction) of the bearing of trend of Qie Congyu first 81 (Y direction) and second portion 82 is connected with connector) base portion side (sweep 86).More particularly, the angle part 92e between the first 92c of wall portion in the inner surface 92a of connector shell 92 and the second 925a of wall portion is formed with four protuberances 95, and described protuberance 95 is outstanding with the state being connected with the first 92c of wall portion and the second 925a of wall portion.At this, the YZ cross section of protuberance 95 is triangle, and protuberance 95 comprises the inclined-plane 952 of the side (a side Z1 of Z-direction) that extend to the residing side of terminal board 35 (a side Y1 of Y direction) and second portion 82 sloping floor.In the present embodiment, the terminal board 35 residing side (a side Y1 of Y direction) of inclined-plane 952 from the second 925a of wall portion extended (being connected) to the first 92c of wall portion.
Identical with execution mode 1, also can be connected with connector from the two-side supporting second portion 82(of X-direction by protuberance 95 in the motor 1 so forming coupling part 80) base portion side, so can effectively suppress second portion 82 and be shifted.Therefore, can play can avoid connector is inserted into connector insertion section 90 when interior the second portion 82 because of terminal pins 8 towards X-direction, tilt cannot insert the effects identical with execution mode 1 such as situation of connector.And also identical with execution mode 1 in the present embodiment, protuberance 95 comprises that sloping floor is to the inclined-plane 952 of the bearing of trend of the residing side of terminal board 35 and second portion 82.Therefore,, when the mode in the outside with covering terminal board 35 arranges outer cover 9, easily terminal pins 8 is inserted between protuberance 95.
[execution mode 3]
Fig. 8 (a), Fig. 8 (b), Fig. 8 (c) key diagram for the outer cover 9 of the related motor 1 of embodiments of the present invention 3 is illustrated separately, the upward view of the front view of the stereogram that Fig. 8 (a), Fig. 8 (b), Fig. 8 (c) are the outer cover 9 observed from radially inner side, the outer cover 9 of observing from radially inner side and the outer cover 9 observed from a side Z1 of Z-direction.In addition, because the basic structure of present embodiment is identical with execution mode 1, therefore corresponding part is marked to identical symbol and illustrate, and omit the explanation of these parts.
As shown in Fig. 8 (a), Fig. 8 (b), Fig. 8 (c), also at outer cover 9, be provided with protuberance 95 in the present embodiment, described protuberance 95 is outstanding at the inner surface of outer cover 9, the coupling part 80 that the second portion 82(of the two-side supporting terminal pins 8 of the direction (X-direction) of this both direction quadrature of bearing of trend (Z-direction) of the bearing of trend of Qie Congyu first 81 (Y direction) and second portion 82 is connected with connector) base portion side (sweep 86).More specifically, the angle part 92e between the first 92c of wall portion in the inner surface 92a of connector shell 92 and the second 925a of wall portion is formed with four protuberances 95.
At this, it is outstanding that the side that protuberance 95 extends towards second portion 82 from the second 925a of wall portion in the position of leaving the first 92c of wall portion (a side Z1 of Z-direction) is pole shape (cylindric).Therefore, protuberance 95 comprises the end face 951 of the bearing of trend (a side Z1 of Z-direction) towards second portion 82.
Identical with execution mode 1, also can be connected with connector from the two-side supporting second portion 82(of X-direction by protuberance 95 in the motor 1 so forming coupling part 80) base portion side, so can suppress efficiently second portion 82 and be shifted.Therefore, can play can avoid connector is inserted into connector insertion section 90 when interior the second portion 82 because of terminal pins 8 towards X-direction, tilt cannot insert the effects identical with execution mode 1 such as situation of connector.And, also identical with execution mode 1 in the present embodiment, protuberance 95 comprises towards the end face 951 of the bearing of trend of second portion 82 (a side Z1 of Z-direction), so the end face 951 of protuberance 95 plays a role as the limiting unit that connector is limited reliably.
In addition, in the present embodiment, make protuberance 95 be pole shape (cylindric) outstanding, but it is outstanding also can to make protuberance 95 be angle bar-shaped (prism-shaped).
[execution mode 4]
Fig. 9 (a), Fig. 9 (b), Fig. 9 (c) key diagram for the outer cover 9 of the related motor 1 of embodiments of the present invention 4 is illustrated separately, the upward view of the front view of the stereogram that Fig. 9 (a), Fig. 9 (b), Fig. 9 (c) are the outer cover 9 observed from radially inner side, the outer cover 9 of observing from radially inner side and the outer cover 9 observed from a side Z1 of Z-direction.In addition, because the basic structure of present embodiment is identical with execution mode 1, therefore corresponding part is marked to identical symbol and illustrate, and omit the explanation of these parts.
As shown in Fig. 9 (a), Fig. 9 (b), Fig. 9 (c), also at outer cover 9, be provided with protuberance 95 in the present embodiment, described protuberance 95 is outstanding at the inner surface of outer cover 9, the coupling part 80 that the second portion 82(of the two-side supporting terminal pins 8 of the direction (X-direction) of this both direction quadrature of bearing of trend (Z-direction) of the bearing of trend of Qie Congyu first 81 (Y direction) and second portion 82 is connected with connector) base portion side (sweep 86).More particularly, the angle part 92e between the first 92c of wall portion in the inner surface 92a of connector shell 92 and the second 925a of wall portion is formed with four protuberances 95.
At this, protuberance 95 in the position of leaving the second 925a of wall portion from the first 92c of wall portion towards the axial side Y1 of terminal board 35(Y) to be pole shape (cylindric) outstanding for side.
Identical with execution mode 1, also can be connected with connector from the two-side supporting second portion 82(of X-direction by protuberance 95 in the motor 1 so forming coupling part 80) base portion side, so can effectively suppress second portion 82 and be shifted.Therefore, can play can avoid connector is inserted into connector insertion section 90 when interior the second portion 82 because of terminal pins 8 towards X-direction, tilt cannot insert the effects identical with execution mode 1 such as situation of connector.
In addition, in the present embodiment, make protuberance 95 be pole shape (cylindric) outstanding, but it is outstanding also can to make protuberance 95 be angle bar-shaped (prism-shaped).
[other execution modes]
In the above-described embodiment, by a crooked metal pins, form and there is first 81 and second portion 82(coupling part 80) terminal pins 8, described first extends towards radial outside from terminal board 35, the end of described second portion 92Cong first 81 extends towards a side Z1 of Z-direction, but also can apply the present invention to the second 925a of wall portion keep the base portion side of terminal pins 8 and motor 1 that the coupling part of terminal pins 8 80 is extended towards a side Z1 of Z-direction from the second 925a of wall portion.In this case, for example become at terminal board 35 and keep and the terminal of coupling part 80 splits the structure of winding line astragal.
In the above-described embodiment, the second portion 82 of terminal pins 8 forms a line in connector insertion section 90, but the second portion 82 that yet can apply the present invention to terminal pins 8 is not the situation that row shape is configured in connector insertion section 90.And in the above-described embodiment, the quantity of terminal pins 8 is five, but also can apply the present invention in the motor of radical in addition.
And, the invention is not restricted to stepper motor, so long as utilize the motor of connector, just can be applied in the motor of other kinds.
Claims (17)
1. a motor, is characterized in that, described motor has:
Motor body portion, described motor body portion comprises rotor and stator;
Terminal board, described terminal board is arranged on the radial outside of described motor body portion;
A plurality of terminal pins, described a plurality of terminal pins are held in described terminal board, and for to the power supply of described motor body portion; And
Outer cover, described outer cover is installed on described motor body portion to cover the mode of described terminal board at radial outside, and forms towards the connector insertion section of a side opening of motor axis direction,
Described a plurality of terminal pins is included in respectively the coupling part that extend towards a side of motor axis direction described connector insertion section,
At described outer cover, be provided with protuberance, described protuberance is outstanding at the inner surface of described outer cover, and from the base portion side of coupling part described in the two-side supporting of the direction of the bearing of trend quadrature with described coupling part.
2. motor according to claim 1, is characterized in that,
Described a plurality of terminal pins comprises respectively first and second portion, and described first extends towards radial outside from described terminal board, and described second portion forms described coupling part in the terminal part bending of described first,
Described protuberance is from the base portion side of second portion described in the two-side supporting of the direction of this both direction quadrature of bearing of trend of the bearing of trend with described first and described second portion.
3. motor according to claim 2, is characterized in that,
Described protuberance supports the sweep between described first and described second portion.
4. motor according to claim 2, is characterized in that,
In described outer cover, with respect to the part that is formed with described protuberance, lean on a side of described terminal board in open state.
5. motor according to claim 2, is characterized in that,
Described protuberance comprises the end face of a side of extending towards described second portion.
6. motor according to claim 2, is characterized in that,
Described protuberance comprises that sloping floor is to the inclined-plane of a side of the residing side of described terminal board and the extension of described second portion.
7. motor according to claim 2, is characterized in that,
Described inner surface at described outer cover is provided with the first wall portion and the second wall portion, described the first wall portion is positioned at the contrary side of a side of extending with described first with respect to described second portion, described the second wall portion is positioned at the contrary side of a side of extending with described second portion with respect to described first
Described protuberance is arranged on the angle part between described the first wall portion and described the second wall portion.
8. motor according to claim 7, is characterized in that,
Described protuberance is outstanding with the state being connected with described the first wall portion and described the second wall portion.
9. motor according to claim 7, is characterized in that,
It is one side-prominent that described protuberance extends towards described second portion from described the second wall portion in the position of leaving described the first wall portion.
10. motor according to claim 7, is characterized in that,
Described protuberance is side-prominent towards described terminal board from described the first wall portion in the position of leaving described the second wall portion.
11. motors according to claim 2, is characterized in that,
Described terminal board is arranged on the radial outside of the drum stand parts that are wound with winding wire,
Described terminal pins comprises third part, and described third part is crooked towards the opposite side of motor axis direction in the end of a side contrary with the residing side of described second portion of described first,
Described winding wire is connected with described third part.
12. motors according to claim 6, is characterized in that,
Described inner surface at described outer cover is provided with the first wall portion and the second wall portion, described the first wall portion is positioned at the contrary side of a side of extending with described first with respect to described second portion, described the second wall portion is positioned at the contrary side of a side of extending with described second portion with respect to described first
Described inclined-plane extends to described the first wall portion from the described second wall portion of the residing side of described terminal board.
13. according to the motor described in claim 9 or 10, it is characterized in that,
Described protuberance forms cylindric or prism-shaped.
14. motors according to claim 1, is characterized in that,
Described protuberance is formed with four, and described terminal pins is five,
Three terminal pins between outermost described two terminal pins in described five terminal pins are supported by described protuberance.
15. motors according to claim 14, is characterized in that,
Described outer cover comprises frame portion and connector shell, and described frame portion is rectangular, and described connector shell is covering described frame portion than described frame portion by the position of radial outside,
Outermost two terminal pins that are positioned in described five terminal pins are supported by male member and described protuberance, and described male member is outstanding from forming the inner surface of limit part of described frame portion.
16. motors according to claim 2, is characterized in that,
In the thickness of described protuberance, the thickness of the part of the residing side of described sweep of described terminal pins is larger,
The thickness of described protuberance, along with the residing side of the described sweep from described terminal pins diminishes towards a side of described motor axis direction, forms the end face of a side of extending towards described second portion.
17. according to the motor described in claim 5 or 16, it is characterized in that,
Described end face plays a role as the limiting unit that the connector being inserted in described connector insertion section is limited.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013080255A JP6188385B2 (en) | 2013-04-08 | 2013-04-08 | motor |
| JP2013-080255 | 2013-04-08 |
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| CN104104172A true CN104104172A (en) | 2014-10-15 |
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| CN201410125584.5A Pending CN104104172A (en) | 2013-04-08 | 2014-03-31 | Motor |
| CN201420152971.3U Expired - Fee Related CN203761168U (en) | 2013-04-08 | 2014-03-31 | Motor |
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Cited By (4)
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| CN108352756A (en) * | 2015-11-09 | 2018-07-31 | 日本电产三协株式会社 | Motor |
| CN110034640A (en) * | 2018-01-12 | 2019-07-19 | 日本电产三协电子(东莞)有限公司 | The manufacturing method of motor |
| CN110323878A (en) * | 2018-03-30 | 2019-10-11 | 日本电产三协株式会社 | Motor |
| CN110832753A (en) * | 2017-07-05 | 2020-02-21 | 株式会社美姿把 | Method for manufacturing motor device and motor device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6188385B2 (en) * | 2013-04-08 | 2017-08-30 | 日本電産サンキョー株式会社 | motor |
| FR3030150B1 (en) * | 2014-12-11 | 2018-03-16 | Valeo Systemes Thermiques | ACTUATOR WITH REDUCED SIZE, WITH INTEGRATED BLOCKING OF THE MOTOR IN RELATION TO THE HOUSING |
| JP2018026938A (en) * | 2016-08-09 | 2018-02-15 | 日本電産サンキョー株式会社 | Terminal part and motor and drain valve driving device |
| KR101917212B1 (en) * | 2018-05-02 | 2019-01-24 | 조영길 | A terminal block of motor |
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Also Published As
| Publication number | Publication date |
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| CN203761168U (en) | 2014-08-06 |
| JP2014204595A (en) | 2014-10-27 |
| JP6188385B2 (en) | 2017-08-30 |
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