JP2006288138A - Motor structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a motor structure for achieving a practical motor inexpensively. <P>SOLUTION: In the motor structure comprising a stator core 1 being wound with a winding 4, a sensor 10 for detecting the rotor position, a sensor connector 52 internally provided with a sensor terminal 51, a connection member 5 consisting of a plurality of rings 7, 8, 9 for connecting the winding 4 and a holder 6 for holding each ring 7, 8, 9, and a conduction connector 56 internally provided with winding conduction terminals 91, 92, 93 being connected with the rings 7, 8, 9, the base portion 53 of the sensor connector 52, the base portion 57 of the conduction connector 56, the stator core 1 and the connection member 5 are integrated by resin 20, and a means for securing the distal end 53 of the sensor connector 52 and the distal end 57 of the conduction connector 56 to the holder 6 is provided. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an improvement of a motor structure integrated with a resin.

In a motor structure integrated with this kind of resin, for example, a rotor provided with a magnet, a stator core disposed on the outer peripheral side of the rotor and wound with a winding, and a winding for supplying current to the winding There is an energization connector in which an energization terminal is provided, and a winding energization terminal and a stator core are integrated with a thermosetting resin that is molded (for example, see Patent Document 1).
Japanese Patent Laying-Open No. 2005-27478 (Claim 1, FIG. 1)

  In the motor structure integrated with the resin to be molded as described above, the stator core and the coil energizing terminal are integrated, but the energizing connector in which the coil energizing terminal is installed is connected to the resin with a bolt. Has been.

  Therefore, in the conventional motor structure, the process of assembling the energizing connector to the stator core is required, the assembling process becomes complicated, and the manufacturing cost increases.

  Accordingly, the present invention has been developed to improve the above-described problems, and an object of the present invention is to provide a motor structure that realizes a low-cost motor.

  In order to achieve the above object, according to the present invention, a stator core around which a winding is wound, a sensor for detecting a rotor position, a sensor connector having a sensor terminal provided therein, and a plurality of wirings for connecting the windings In a motor structure comprising a connection member comprising a ring and a holder for holding each ring, and a current-carrying connector having a winding current-carrying terminal connected to the ring, a sensor connector base and a current-carrying connector base The stator core and the connecting member are integrated with resin, and fixing means for fixing the base portion of the sensor connector and the base portion of the energizing connector to the holder is provided.

  According to the invention of each claim, the process of assembling the current-carrying connector to the stator core becomes unnecessary, and the assembling process becomes easy, and the manufacturing cost is reduced.

  In addition, since the energizing connector and the sensor connector can be fixed to the holder of the connecting member, the energizing connector and the sensor connector are positioned by the connecting member with respect to the mold, so that the resin molding process is facilitated.

  Furthermore, when molding the resin, the energizing connector and the sensor connector can be fixed to the holder of the connection member. Therefore, it is necessary to purposely hold the energizing connector and the sensor connector on the mold side. There is no risk that the connectors are integrated with the stator core in a tilted state during resin molding.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view of a motor in which a motor structure according to an embodiment is embodied. FIG. 2 is an AA longitudinal sectional view of a motor in which the motor structure according to the embodiment is embodied. FIG. 3 is a plan view of a stator core of the motor. FIG. 4 is a plan view of the connecting member. FIG. 5 is a perspective view of the energizing connector. FIG. 6 is a perspective view of the sensor connector. FIG. 7 is a BB longitudinal sectional view of a motor in which the motor structure according to the embodiment is embodied. FIG. 8 is a bottom view of a motor in which the motor structure according to the embodiment is embodied.

FIG. 9 is a view showing a part of a processing step of integrating the stator core, the connecting member, the energizing connector, the sensor connector, and the bearing holder with resin.

  As shown in FIGS. 1 and 2, the motor M in which the motor structure in one embodiment is embodied includes a stator core 1, a sensor 10, a sensor connector 52 in which a sensor terminal 51 is provided, and a winding 4. A connection member 5 for connecting wires, a current-carrying connector 56 in which winding current-carrying terminals 91, 92, and 93 are installed, a bearing holder 11, the stator core 1, the connection member 5, the base of the sensor connector 52, a current-carrying connector 56 and a bearing. The bottomed cylindrical resin 20 that integrates the holder 11, the rotor 30, the ball bearings 41 and 42 that pivotally support the upper and lower ends of the rotor 30 in the drawing, and the opening that is the lower end of the resin 20 in the drawing is covered The bearing holder 40 is configured to be provided.

  The stator core 1 will be described in detail below. As shown in FIG. 3, the stator core 1 includes an annular core body 2 formed by arranging a plurality of teeth 3 in an annular shape, and U, V, and W wound around each tooth 3. It comprises a winding 4 in each phase of the W phase. The illustrated stator core 1 is a 9-slot core, and windings 4 of each phase of U, V, and W are wound around the teeth 3 in order, and more specifically, the top and bottom of each tooth 3 in FIG. A resin insulator 3a is provided at the end, and each winding 4 is wound from above the insulator 3a. Incidentally, since the stator core 1 is integrated with a molded resin 20 described later, it is not always necessary to fix the core body 2 so as not to be divided for each tooth 3, and if possible, each tooth 3. May be arranged in a ring and temporarily fixed.

  As shown in FIGS. 2 and 4, the connecting member 5 includes an annular holder 6 and three rings 7, 8, 9 held by the holder 6. The rings 7, 8, and 9 have different diameters, and are provided with three arms 7a, 8a, and 9a at intervals of 120 degrees on the circumference, and terminals 7b, 8b, and 9b at predetermined positions. Yes.

  Of the windings 4 of the stator core 1 described above, for example, the ends of the U-phase and V-phase windings 4 are held by the arms 8a and connected via the ring 8, and the V-phase and W-phase windings are connected. The ends of 4 are held by the arm 7 a and connected via the ring 7, and the ends of the W-phase and U-phase windings 4 are held by the arm 9 a and connected via the ring 9.

  That is, the illustrated winding 4 is annularly connected by the connecting member 5. In addition, it is possible to increase the number of rings and the number of arms of each ring according to the number of phases of the motor M. Of course, it is possible to make them.

  On the other hand, the holder 6 is annular as described above, and is formed of an insulating material, for example, resin, and the three grooves 6a, 6b, and 6c into which the rings 7, 8, and 9 can be inserted respectively. There are nine notches 6d on the outer peripheral side so that the tips of the arms 7a, 8a, 9a and the winding 4 can be connected, and a predetermined interval at an arbitrary position on the outer peripheral side of the holder 6 that does not interfere with each notch 6d. Two pairs of holes 6e and 6f are provided, and the ends of the windings 4 are passed through the notches 6d and connected at the tips of the arms 7a, 8a and 9a.

  The arms 7a, 8a, 9a are designed not to contact the upper rings 7, 8, 9, and the arms 9a of the ring 9 arranged on the outer peripheral side are arranged on the inner peripheral side from the uppermost stage in the figure. The arm 7a of the ring 7 disposed in the figure is set to extend from the lowermost stage in the drawing, and the arm 8a of the ring 8 disposed between the ring 7 and the ring 9 is set to extend from the middle stage toward the outer peripheral side. Yes.

  The rings 7, 8, 9 are inserted into the grooves 6a, 6b, 6c so that the terminals 7b, 8b, 9b are adjacent to each other.

  Subsequently, the energizing connector 56 is made of resin. Specifically, as shown in FIGS. 2 and 5, a base portion 57 integrated with the stator core 1 with the resin 20, and an outer peripheral side of the stator core 1 extending from the base portion 57. And a socket 59 erected from the projecting portion 58, and within the energizing connector 56, a substantially L connected to each of the rings 7, 8, 9 of the connecting member. Three character-shaped winding energization terminals 91, 92, 93 are provided internally.

  Further, fixing means is provided so that the energizing connector 56 can be fixed to the holder 6.

  As shown in FIG. 5, the base 57 of the energizing connector 56 is formed by being bent along the outer periphery of the stator core 1, and an annular groove 57a is formed over the entire outer periphery of the base 57, and the groove 57a. Is arranged in the resin 20 when the resin 20 is integrated with the stator core 1.

  Further, a pair of claws 60 and 61 are erected at the upper end of the base portion 57 in FIG. 5, and the tips of the claws 60 and 61 protrude toward the opposing surface side of the claws 60 and 61, respectively. Wedges 60a and 61a are provided.

  And these nail | claws 60 and 61 are inserted in the holes 6e and 6e used as the group provided in the holder 6 from the downward direction in FIG.

  The interval between the holes 6e, 6e is set to be equal to the interval between the claws 60, 61. When the claws 60, 61 are inserted into the holes 6e, 6e, the wedges 60a, 61a are respectively The energizing connector 56 can be fixed to the holder 6 by engaging with the upper surface of the holder 6 in FIG.

  Therefore, in the present embodiment, the fixing means for fixing the base 53 of the energizing connector 52 to the holder 6 includes the claws 60 and 61, wedges 60a and 61a, and holes 6e and 6e.

  The wedges 60a and 61a of the claws 60 and 61 may be provided so as to protrude to the surface opposite to the opposing surface of the claws 60 and 61. 6e may be provided on the base 57 of the energizing connector 56.

  The socket 59 is formed in a cylindrical shape so that a male connector having a terminal on the drive circuit side (not shown) provided outside the motor M can be inserted, and is wound from the bottom of the socket 59. Line energizing terminals 91, 92, 93 are projected.

  The winding energization terminals 91, 92, 93 are welded to the terminals 7b, 8b, 9b of the rings 7, 8, 9 of the connecting member after the energization connector 56 is fixed to the holder 6 as described above. Equal and connected.

  The sensor connector 52 is made of resin. Specifically, as shown in FIG. 6, the base 53 integrated with the stator core 1 with the resin 20, and the protrusion that extends from the base 53 and protrudes to the outer peripheral side of the stator core 1. The sensor connector 52 is provided with six sensor terminals 51 that are connected to the sensor 10, respectively.

  A fixing means is provided so that the sensor connector 52 can be fixed to the holder 6.

  The base 53 of the sensor connector 52 is formed so as to be bent along the outer periphery of the stator core 1 in the same manner as the energizing connector 56. An annular groove 53a is formed over the entire outer periphery of the base 53, and the groove 53a. Is arranged in the resin 20 when the resin 20 is integrated with the stator core 1.

  In addition, a pair of claws 62 and 63 are erected on the upper end of the base 53 in FIG. 6, and the tips of the claws 62 and 63 protrude toward the opposing surface side of the claws 60 and 61, respectively. Wedges 62a and 63a are provided.

  These claws 62 and 63 are inserted into holes 6f and 6f that form a set provided in the holder 6 from below in FIG.

  The distance between the holes 6f and 6f is set to be equal to the distance between the claws 62 and 63. When the claws 62 and 63 are inserted into the holes 6f and 6f, the wedges 62a and 63a are respectively The sensor connector 52 can be fixed to the holder 6 by engaging with the upper surface of the holder 6 in FIG.

  That is, in the present embodiment, the fixing means for fixing the base 53 of the sensor connector 52 to the holder 6 includes the claws 62 and 63, wedges 62a and 63a, and holes 6f and 6f.

  The wedges 62a and 63a of the claws 62 and 63 may be provided so as to protrude to the surface side opposite to the opposing surface of the claws 62 and 63, similarly to the claws 60 and 61 of the energizing connector 56. Further, the claws 62 and 63 may be provided in the holder 6 and the hole 6 f may be provided in the base 53 of the sensor connector 52.

  The socket 55 is formed in a cylindrical shape so that a male connector having a terminal on the drive circuit side (not shown) provided outside the motor M can be inserted. The sensor terminal 51 is protruded.

  Each of the sensor terminals 51 is L-shaped so that a portion provided in the sensor connector 52 can be provided in the socket 55, the protruding portion 54, and the base portion 53, and further, a portion protruding from the base portion 53. About, it is set as the shape bent below in the figure from the edge part of this L-shaped site | part.

  These sensor terminals 51 are connected to the sensor 10 described later after the sensor connector 52 is fixed to the holder 6 as described above and integrated with the stator core 1 with the resin 20.

  In turn, the bearing holder 11 integrated with the resin 20 is made of metal and formed into a hat shape. Specifically, the bearing holder 11 extends from the bottomed cylindrical tube portion 12 and the lower end in FIG. 2 and disposed at the upper end side in FIG. 2 which is the other end side of the stator core 1. The stator core 1, the connecting member 5, the energizing connector 56 and the sensor connector 52 described above. At the same time, they are integrated with the resin 20 molded in a state where the respective parts are arranged as described above.

  The bearing holder 11 is integrated with the resin 20 by molding the resin 20 together with the stator core 1 described above. For this reason, the bearing holder 11 has a thermal expansion coefficient similar to that of the resin 20. It is preferably made of metal, so that when the temperature of the resin 20 and the bearing holder 11 changes due to the driving of the motor M or the usage environment of the motor M, an unreasonable stress acts on the resin 20. It is possible to prevent this.

  Subsequently, as shown in FIG. 2, the rotor 30 is mounted on the lower outer periphery in the drawing from the shaft 31, the driving magnet 32 mounted on the outer periphery of the intermediate portion of the shaft 31, and the driving magnet 32 of the shaft 31. The resolver rotor 33 is provided.

  The drive magnet 32 may be composed of magnets that are blocked so as to realize a predetermined number of poles, and may be adhered to the outer periphery of the shaft 31, or may be formed in an annular shape and divided and magnetized. It may be a thing.

  Further, a ball bearing 42 is fitted between the drive magnet 32 of the shaft 31 and the resolver rotor 33, and a ball bearing 41 is fitted to the upper end of the shaft 31.

  The ball bearing 41 is fitted and held in the bearing holder 11 described above, and the ball bearing 42 is fitted on the inner peripheral side of the annular bearing holder 40.

  As shown in FIGS. 2 and 8, the bearing holder 40 includes a cylindrical main body 40a, a flange 40b provided on the outer peripheral side of the cylindrical main body 40a, and holes 40c provided at three locations of the flange 40b. The flange 40b is provided with a notch 40d through which a portion protruding from the base 53 of the sensor connector 52 of the sensor terminal 51 is inserted.

  A step 40e is formed on the inner peripheral side of the cylindrical main body 40a of the bearing holder 40, and movement in the axial direction with respect to the bearing holder 40 is restricted by the step 40e in the cylindrical main body 40a. The ball bearing 42 is fitted, and the sensor 10 is fixed by screws or the like on the opposite side across the stepped portion 40e.

  As shown in FIGS. 2 and 8, three pins 70 are integrated and embedded at the lower end of the opening side of the resin 20 when the resin 20 is molded. Forty-four flanges 40b are provided at positions corresponding to the respective holes 40c.

  When the bearing holder 40 is fixed to the lower end of the resin 20, after inserting the pin 70 into the hole 40 c, the retaining ring 71 that is an engaging member is engaged with the pin 70, and the bearing holder 40 is fixed to the resin 20. It is sandwiched between the end portion and the retaining ring 71 and fixed to the lower end of the resin 20. As a result, the rotor 30 is rotatably fixed to the stator core 1 via the resin 20, and at this time, the driving magnet 32 is mounted so as to face each other.

  The engaging member described above may be other than the retaining ring 71. For example, a pin 70 may be provided with a hole penetrating in the radial direction, and may be a snap pin that engages with the hole. Instead of integrating the pin 70, a male screw or a female screw may be integrated, and the bearing holder 40 may be fixed by a female screw that is screwed to the male screw or a male screw that is screwed to the female screw.

  Thus, by integrating the pin 70, male screw or female screw with the resin 20, the bearing holder 40 is formed with a screw thread on the resin 20 and fixed with a bolt. 20 itself does not need to be provided with a screw thread, so that the processing cost is reduced and the screw thread formed on the resin 20 is crushed when the bearing holder 40 is fixed, so that the bearing holder 40 cannot be mounted. In addition, there is an advantage that it is not necessary to apply an excessive load to the resin 20.

  Further, as described above, the sensor 10 is attached to the bearing holder 40, and the sensor 10 faces the resolver rotor 33 when the rotor 30 is attached to the stator core 1 as described above. In this case, the sensor 10 is a resolver stator, and includes a primary coil on the input side and a pair of secondary coils on the output side, and each of the ends of the primary and secondary coils. Is connected to the sensor terminal 51 described above. Incidentally, since the sensor 10 is a resolver stator, the number of sensor terminals 51 is six. However, when the sensor 10 has another configuration, the number of sensor terminals is appropriately adjusted to the number suitable for the structure of the sensor 10. do it.

 When the sensor 10 is a magnetic sensor such as a Hall element or an MR element that detects magnetism, a sensing magnet may be attached at a position facing the element of the rotor 30. The optical sensor may be used.

  Further, the bearing holder 40 described above is formed of a non-magnetic material, or a non-magnetic body disposed between the sensor 10 and the lower portion of the connecting member 5 in FIG. If this is done, it is possible to prevent the magnetism generated by the winding 4, the drive magnet 32 and the rings 7, 8 and 9 of the connecting member 5 from affecting the sensor 10, and to detect the position of the rotor 30 with high accuracy. be able to.

  In this motor structure, a current-carrying connector 56 having current-carrying terminals 91, 92, 93 for supplying current to the winding 4 and a sensor terminal 51 connected to the sensor 10 are provided. Since the sensor connector 52 is integrated with the stator core 1 by the resin 20, the terminal portions that must be extended outward of the motor M, that is, the winding energizing terminals 91, 92, 93 and the sensor terminals are provided. Water can be prevented from entering the motor M without bothering the seal 51, and it is not necessary to assemble the energizing connector or the sensor connector to the stator core. Practicality is improved.

  Further, a groove 57a and a groove 53a are provided on the outer periphery of the base 57 of the energizing connector 56 and the base 53 of the sensor connector 52 buried in the molded resin 20, respectively. The molded resin 20 enters.

  Therefore, even if there is a gap between the energized connector 56 or the sensor connector 52 and the molded resin 20, the outer periphery of the resin 20 that is the outer periphery of the motor M is molded from the outer periphery of the motor M into a cylindrical shape. Since the creeping distance to the inside of the resin 20, the winding 4 and each terminal portion can be increased by the presence of the grooves 57a and the grooves 53a, water can be prevented from entering the motor M, and a high waterproofing effect can be achieved. can do.

  Further, since the sensor 10 and the connecting member 5 are disposed on one end side in the axial direction of the stator core 1, the energizing connector 56 and the sensor connector 52 can be extended out of the motor M from locations very close to each other. become.

  Therefore, the lead wires provided outside the motor M for connecting the connecting member 5 and the sensor 10 to the drive circuit can be grouped together, and an extra mounting space is required when the motor M is applied to equipment. Therefore, the practicality of the motor M can be improved.

  In addition, since the sensor 10 and the connecting member 5 are disposed on one end side in the axial direction of the stator core 1, the terminals of the sensor 10 and the other end side of the stator core 1, that is, the upper end side in FIG. Since the terminal of the connection member 5 is not provided and there are no parts to be maintained, the other end of the stator core 1 can be sealed with the resin 20.

  Further, since the other end side of the stator core 1 can be completely sealed with the resin 20, there is no need to cover the other end side of the stator core 1 as in the conventional motor structure. The manufacturing cost of the motor M is reduced, and the manufacturing cost of the motor M is further reduced in that the sealing member is not required because there is no cover, and further, the sealing of the terminal portion is unnecessary. Together with this, the water resistance of the motor M is dramatically improved.

  That is, the sensor 10 is arranged on one end side of the stator core 1, the connecting member 5 is arranged between the sensor 10 and the stator core 1, and the stator core 1, connecting member 5, sensor connector 52, and energizing connector 56 are made of the resin 20. When the other end side of the stator core 1 is sealed with the resin 20, the motor M can be waterproofed without a seal, so that the practicality of the motor M can be further improved. The manufacturing cost of M is further reduced.

  Further, since the bearing holder 11 is disposed on the other end side of the stator core 1 and integrated with the resin 20, the strength when the rotor 30 is rotatably fixed to the stator core 1 can be secured. Durability and practicality are improved.

  In order to integrate the stator core 1, the connecting member 5, the bearing holder 11, the current-carrying connector 56, and the sensor connector 52 of the motor M in which the motor structure is embodied as described above, by molding the resin 20. Do as follows.

  As shown in FIG. 9, each winding 4 of the stator core 1 is connected by the connecting member 5 described above, and the energizing connector 56 is fixed to the holder 6 of the connecting member 5 by the claws 60 and 61, and the sensor connector 52 is 62 and 63 are fixed to the holder 6 of the connecting member 5, and the rod R is inserted into the stator core 1, and the cylinder 12 of the bearing holder 11 is inserted into the upper end of the rod R in the figure. The rod R, the stator core 1, the connecting member 5, and the bearing holder 11 are inserted into a mold (not shown), and heated resin 20 is injected into the mold.

  Subsequently, after cooling the resin 20, the mold and the rod R are removed, so that the stator core 1, the connecting member 5, the bearing holder 11, the current-carrying connector 56 and the sensor connector 52 are integrated by the molded resin 20.

  As described above, the resin 20 can be easily molded with the mold and the rod R, and the stator core 1, the connecting member 5, the bearing holder 11, the energizing connector 56, and the sensor connector 52 are easily integrated. be able to.

  Further, the resin 20 is formed in a cylindrical shape, and accommodates the rotor 30 in which the ball bearings 41 and 42, the bearing holder 40, the driving magnet 32, and the resolver rotor 33 are mounted on the outer peripheral side.

  The ball bearing 41 on the upper end side of the rotor 30 is lightly press-fitted into the bearing holder 11, and the bearing holder 40 is fixed using the pins 70 integrated with the stator core 1 with the resin 20. The stator core 1 is fixed rotatably via a resin 20.

  Further, the resolver stator which is the sensor 10 is screwed to the bearing holder 40, the sensor terminal 51 and the ends of the primary and secondary coils (not shown) of the sensor 10 are connected by welding or the like, respectively. Manufacturing is complete.

  When the resin 20 is molded, the energizing connector 56 and the sensor connector 52 can be fixed to the holder 6 of the connecting member 5, so that the energizing connector 56 and the sensor connector 52 are bothered on the mold side. Therefore, there is no fear that the connectors 56 and 52 are integrated with the stator core 1 in a tilted state when the resin 20 is molded.

  Further, since the energizing connector 56 and the sensor connector 52 can be fixed to the holder 6 of the connecting member 5, the energizing connector 56 and the sensor connector 52 are positioned by the connecting member 5 with respect to the mold, so that the resin 20 Molding process becomes easy.

  Further, as described above, since the stator core 1, the connecting member 5, the energizing connector 56, and the sensor connector 52 are integrated with the resin 20, the assembly process of the rotor 30 becomes very simple, and also in terms of transportation and storage. It will be advantageous.

  As described above, in the present embodiment, the fixing means for fixing the base 57 of the energizing connector 56 and the base 53 of the sensor connector 52 to the holder 6 are the claws 60, 61, 62, 63, wedges 60a, 61a, respectively. 62a, 63a and holes 6e, 6f, the base 57 of the current-carrying connector 56 and the base 53 of the sensor connector 52 can be held by simply inserting the claws 60, 61, 62, 63 into the holes 6e, 6f. 6 is advantageous in that positioning is easy, fixing work is very simple, and workability is good, but other fixing means such as adhesion, fitting, etc. may be employed. .

  Specifically, in the case of fitting, if the base 56 or the base 53 is provided with a convex part other than a circular cross section, and the holder 6 is provided with a hole that matches the convex part, the base 56 or the base part 53 can be fixed to the holder 6 while being prevented from rotating. At this time, the base 56 and the base 53 can be firmly fixed to the holder 6 by press-fitting into the hole.

  In the present embodiment, when molding the resin 20, as shown in FIGS. 1 and 2, the resin 21 is also used to mold the flange 21 when the motor M is coupled to the device.

  A metal cylinder 22 is integrated with the flange 21 when the resin 20 is molded.

  Therefore, when the motor M is applied to a device, the cylinder 22 is supplemented with the strength of the resin 20, and the practicality of the motor M can be improved. Here, the cylinder 22 is also made of a metal having a thermal expansion coefficient similar to that of the resin 20 as in the bearing holder 11 described above, and the temperature change of the resin 20 and the cylinder 22 varies depending on the use environment of the motor M. In some cases, it is possible to prevent an excessive stress from acting on the resin 20.

  This is the end of the description of the embodiment of the present invention, but the scope of the present invention is of course not limited to the details shown or described.

It is a top view of the motor with which the motor structure in one embodiment was embodied. It is an AA longitudinal cross-sectional view of the motor with which the motor structure in one embodiment was embodied. It is a top view of the stator core of a motor. It is a top view of a connection member. It is a perspective view of an electricity supply connector. It is a perspective view of a sensor connector. It is a BB longitudinal cross-sectional view of the motor with which the motor structure in one embodiment was embodied. It is a bottom view of the motor with which the motor structure in one embodiment was embodied. It is the figure which showed a part of process process which integrates a stator core, a connection member, an electricity supply connector, a sensor connector, and a bearing holder with resin.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Stator core 2 Core main body 3 Teeth 3a Insulator 4 Winding 5 Connection member 6 Holder 6e, 6f Hole 7, 8, 9 Ring 7b, 8b, 9b Winding energization terminal 10 Sensor 10a Terminal 11 Bearing which supports the one end side of a rotor Holder 20 Resin 21 Flange 22 Tube 30 Rotor 31 Shaft 32 Driving magnet 33 Resolver rotor 40 Bearing holder 41, 42 supporting the other end of the rotor Ball bearing 51 Sensor terminal 52 Sensor connector 53, 57 Base 56 Current connector 60, 61, 62, 63 Claw 60a, 61a, 62a, 63a Wedge 70 Pin 71 Retaining rings 91, 92, 93 as engaging members Winding energizing terminal M Motor

Claims (2)

A stator core around which the winding is wound, a sensor for detecting the rotor position, a sensor connector having a sensor terminal provided therein, a connecting member comprising a plurality of rings for connecting the windings and a holder for holding each ring In the motor structure including the energization connector in which the winding energization terminal connected to the ring is provided, the sensor connector base, the energization connector base, the stator core, and the connection member are integrated with resin, and the sensor A motor structure comprising a fixing means for fixing a base portion of a connector and a base portion of an energizing connector to a holder. The fixing means includes a pair of claws projecting from the bases of the energizing connector and the sensor connector, a wedge provided at the tip of each claw, and two pairs of holes provided in the holder and into which the claws are inserted. Is engaged with the back surface of the holder, and each base is fixed to the holder.

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