JP5227657B2 - motor - Google Patents

Description

  The present invention relates to a motor provided with a control circuit member.

Conventionally, some motors for power window devices are provided with a control circuit member including a semiconductor device for controlling the rotation of the motor. As such a motor, with the control circuit member assembled, the motor side connection terminal provided on the motor main body side and the circuit side connection terminal provided on the control circuit member side are brought into contact with each other. There is one that is electrically connected by welding the contacted portion (see, for example, Patent Document 1).
JP 2007-43833 A

  However, since the motor as described above needs to be welded, there is a problem that work man-hours and work time increase. Therefore, in a state where the control circuit member is assembled, at least one of the motor-side connection terminal and the circuit-side connection terminal is brought into electrical contact with the other without being welded by being elastically pressed against the other (own). Configuration is conceivable. However, in this case, in order to maintain a good electrical connection state by pressing with a high contact pressure, the rigidity of the motor side connection terminal or the circuit side connection terminal itself is increased (for example, thickened in the contact direction). ) Needs arise.

  The present invention has been made in order to solve the above-described problems, and the object thereof is not required to be welded and is excellent without increasing the rigidity of the motor side connection terminal and the circuit side connection terminal itself. An object of the present invention is to provide a motor capable of maintaining an electrical connection state.

According to the first aspect of the present invention, the motor main body includes a motor main body and a control circuit member that is assembled to the motor main body and controls the motor main body, and the motor main body is assembled with the control circuit member assembled. A motor-side connection terminal provided on the side and a circuit-side connection terminal provided on the control circuit member side, wherein a plurality of the motor-side connection terminals and the circuit-side connection terminals are provided. is, the motor-side connection connecting portion between the terminal and the circuit side is provided with a plurality, one of the connection terminals of the motor side connection terminal and the circuit-side connection end terminal at their connections against the other connecting terminal been made to pressure contact with the elastic Te, wherein at least one of the motor main body and the control circuit member side, one component has its end in correspondence with each of the plurality of connecting portions Branches elastically deformable constructed independently by each branch portion of the number, each branch portion branching plurality has one of the connecting terminals contact in contact with said one of the connection terminals in the connection part corresponding to those A support portion for increasing the contact pressure of the one connection terminal with respect to the other connection terminal, and the plurality of support portions electrically connect the motor side connection terminal and the circuit side connection terminal. It is not a thing but the said contact pressure for every corresponding connection part is raised separately .

In this structure, the contact pressure between the Motor-side connection terminal and the circuit side, since the enhanced by the support portion provided on at least one of the motor main body and the control circuit member side, the motor side connection terminal In addition, both terminals can be brought into contact with each other with a high contact pressure without increasing the rigidity of the circuit side connection terminal itself, and a good electrical connection state can be maintained.
In addition, since the contact pressure for each connection part between the motor side connection terminal and the circuit side connection terminal is separately increased at the support part provided for each connection part, for example, the contact pressure based on dimensional variations for each connection part The variation of can be suppressed.

According to a second aspect of the present invention, in the motor according to the first aspect, the motor body includes a brush holder that holds the power supply brush and is provided with the motor-side connection terminal, and the plurality of support portions include: , provided we are on the said brush holder which is one of constituent members of the motor body.

  According to this configuration, since the support portion is disposed in the brush holder provided with the motor side connection terminal, it can be easily provided adjacent to the motor side connection terminal, and the contact pressure can be reliably ensured with a simple configuration. Can be increased.

According to a third aspect of the present invention, in the motor according to the second aspect, the plurality of support portions abut on a non-contact side of the motor side connection terminal with the circuit side connection terminal to increase the contact pressure. Provided.

  According to this configuration, the support portion is provided so as to contact the non-contact side of the motor side connection terminal with the circuit side connection terminal so as to increase the contact pressure. Therefore, the contact pressure can be reliably increased with a simple configuration. be able to.

According to a fourth aspect of the present invention, in the motor according to the second or third aspect, the plurality of support portions are integrally formed with the brush holder.
According to this configuration, since the support portion is integrally formed with the brush holder, an increase in the number of parts is suppressed as compared with a case where the support portion is provided separately.

According to a fifth aspect of the present invention, in the motor according to any one of the second to fourth aspects, the circuit side connection terminal is moved to the opposite side of the assembly direction of the control circuit member to the support portion. A restricting portion that protrudes on the contact side of the motor side connection terminal with the circuit side connection terminal is extended.

  According to this configuration, the support portion is provided with a restricting portion that protrudes to the contact side of the motor side connecting terminal with the circuit side connecting terminal, and the restricting portion extends to the opposite side of the assembly direction of the control circuit member. Since the movement of the circuit side connection terminal is restricted, it is possible to suppress a failure in the electrical connection state with the motor side connection terminal due to the movement (deviation).

In the invention described in 請 Motomeko 6, in the motor according to claim 1, wherein the plurality of supporting portions, provided we are on the control circuit member.

  According to this configuration, since the support portion is disposed on the control circuit member provided with the circuit side connection terminal, it can be easily provided adjacent to the circuit side connection terminal, and the contact can be reliably made with a simple configuration. The pressure can be increased.

  According to the present invention, it is possible to provide a motor that does not require welding and that can maintain a good electrical connection state without increasing the rigidity of the motor side connection terminal and the circuit side connection terminal itself.

  Hereinafter, an embodiment in which the present invention is embodied in a motor 1 for a power window device in a vehicle will be described with reference to FIGS. As shown in FIG. 1, the motor 1 includes a motor main body 2 and a speed reducing unit 3 for decelerating and outputting the rotation of the motor main body 2.

  As shown in FIGS. 1 and 2, the motor main body 2 includes a yoke housing (hereinafter simply referred to as a yoke) 4 formed in a flat, substantially bottomed cylindrical shape, and a pair of magnets 5 fixed to the inner surface of the yoke 4. (See FIG. 2), an armature (armature) 6 that is rotatably supported in the yoke 4, a brush holder 7, and a pair of power supply brushes 8.

  The brush holder 7 is made of a resin material, and a holder body 7a, a flange portion 7b, an extension portion 7c, a connector portion 7d, and a terminal support bulge portion 7e are integrally formed. The holder body 7 a is formed so as to be substantially accommodated in the opening of the yoke 4. A bearing 9 is fixed to the central hole of the holder body 7a, and the tip end side of the rotary shaft 10 of the armature 6 is rotatably supported by the bearing 9. The tip of the rotating shaft 10 protrudes to the outside of the yoke 4, and a sensor magnet 10a is fixed to the protruding portion via a metal plate. A power supply brush 8 is held on the inner side of the yoke 4 in the holder main body 7 a, and the power supply brush 8 is in press contact with a commutator 11 fixed to the rotating shaft 10.

  The flange portion 7b is extended to the holder body 7a in a flange shape (outward in the radial direction with the rotation shaft 10 as an axis center). The extending portion 7c is on one side (the right side in FIGS. 1 and 2) along the flat surface 4a of the yoke 4 in the flange portion 7b (see FIG. 1, in FIG. 1 and FIG. 2, a plane parallel to the paper surface). It is formed so as to protrude from the end portion in the external direction (outside in the radial direction), and a connector portion 7d is formed at the tip portion. The connector portion 7d is formed so that an external connector (not shown) can be fitted from the orthogonal direction of the flat surface 4a (the back side of the paper surface in the direction orthogonal to the paper surface in FIGS. 1 and 2). Further, the terminal support bulging portion 7e is formed so as to extend in the axial direction along the rotation shaft 10 from the extending portion 7c.

  A plurality of brush side terminals 12 and connector side terminals 13 are embedded in the brush holder 7 (insert molding). The brush side terminal 12 extends from the inner side of the yoke 4 in the holder main body 7a to the extension portion 7c, and the power supply brush 8 is electrically connected to the base end portion of the brush side terminal 12 via a pigtail. Is done. The connector side terminal 13 extends from the connector portion 7d to the extension portion 7c, and the base end portion of the connector side terminal 13 is exposed at the connector portion 7d to form an external connection terminal 13a, and the connector portion 7d has an external connector. Is electrically connected to the terminal of the external connector.

  Further, the tip ends of the brush side terminal 12 and the connector side terminal 13 are exposed as the motor side connection terminals 14 on the tip side of the terminal support bulge 7e. A plurality of motor side connection terminals 14 according to the present embodiment are provided, and are arranged in parallel along the orthogonal direction of the flat surface 4a (the orthogonal direction in FIG. 2). In FIG. 2, only one motor-side connection terminal 14 is illustrated because the motor-side connection terminals 14 are arranged in parallel in the direction perpendicular to the paper surface.

  Specifically, a support portion 7 f that extends along the axial direction of the rotary shaft 10 together with the motor-side connection terminal 14 is formed at the distal end side of the terminal support bulge portion 7 e. And the motor side connection terminal 14 is provided so that it may be exposed to the said holder main body 7a side (left side in FIG. 2) of the orthogonal direction of the said axial direction in the front end side of the support part 7f. That is, the distal end side of the support portion 7f is provided up to the distal end of the motor side connection terminal 14 so as to contact the opposite side (right side in FIG. 2) of the motor side connection terminal 14 to the holder body 7a. Further, as shown in FIG. 4, the support portion 7f of the present embodiment is provided with its tip end branched so that it can be elastically deformed independently for each motor-side connection terminal 14 arranged in parallel. In addition, a restricting portion 7g that covers the tip of the motor side connection terminal 14 and protrudes to the holder body 7a side (left side in FIG. 2) orthogonal to the axial direction is extended at the tip of the support portion 7f. ing. The tip end side of the restricting portion 7g is formed so as to be inclined away from the holder body 7a side toward the tip end. Further, as shown in FIG. 2, a locking recess 7h that is recessed on the opposite side (right side in FIG. 2) of the holder body 7a is formed on the base end side of the support portion 7f in the present embodiment. ing.

  Further, in the brush holder 7, the flange portion 7b, the extending portion 7c, and the connector portion 7d are substantially covered with a waterproof member 15 made of an elastomer, except for a portion corresponding to the external connection terminal 13a of the connector portion 7d.

  The speed reduction unit 3 includes a gear housing 21, a worm shaft 22, a worm wheel 23, a clutch 24 (see FIG. 2), a control circuit member 25, and a cover 26. In the present embodiment, the worm shaft 22 and the worm wheel 23 constitute a reduction gear.

The gear housing 21 is made of a resin material. The gear housing 21 includes a fixed portion 21a, a worm accommodating portion 21b, a wheel accommodating portion 21c, and a circuit accommodating portion 21d.
The fixing portion 21a is formed in a shape corresponding to the flange portion 4b formed in the opening of the yoke 4 and is fixed to the flange portion 4b and the screw 27, and the flange portion 7b of the brush holder 7 together with the flange portion 4b. (Via the waterproof member 15).

  The worm accommodating portion 21b is formed to extend in a cylindrical shape on the extension line of the rotary shaft 10, and supports the worm shaft 22 in a rotatable manner therein. A clutch 24 (see FIG. 2) for drivingly connecting the worm shaft 22 and the rotary shaft 10 is provided on the motor main body 2 side in the worm housing portion 21b. The clutch 24 operates to lock the rotation of the worm shaft 22 so that the driving force from the rotating shaft 10 is transmitted to the worm shaft 22 and conversely, the driving force from the worm shaft 22 is not transmitted to the rotating shaft 10. That is, the clutch 24 is provided to prevent the motor 1 from rotating due to the force applied from the load side.

  The wheel accommodating part 21c is formed in a flat disk shape in a direction orthogonal to the worm accommodating part 21b, and supports the worm wheel 23 rotatably therein. The worm accommodating portion 21b and the wheel accommodating portion 21c are partially communicated with each other, and the worm shaft 22 and the worm wheel 23 are engaged with each other at the communicating portion. The wheel accommodating portion 21c is formed on the opposite side (left side in FIG. 1) of the connector portion 7d (as the center) with respect to the worm accommodating portion 21b. Further, the flat surface 21e of the wheel housing portion 21c is formed along the flat surface 4a of the yoke 4, and as a whole of the gear housing 21, the surface viewed from the orthogonal direction of the flat surface 21e is called the flat surface of the gear housing 21. It will be.

  The circuit accommodating portion 21d is at a position corresponding to the motor side connection terminal 14, and is formed so that the motor side connection terminal 14 is disposed therein. Specifically, the circuit housing portion 21d is on the opposite side of the wheel housing portion 21c (as the center) with respect to the worm housing portion 21b, and between the worm housing portion 21b and the connector portion 7d (excluding the control circuit member 25). In the configuration, it is formed in a portion that becomes a dead space of the motor 1. The circuit housing portion 21d communicates with the motor body 2 side (the portion corresponding to the sensor magnet 10a) inside the worm housing portion 21b. In addition, an opening 21 f is formed in the circuit housing portion 21 d so that the control circuit member 25 can be inserted from the direction along the axial direction of the rotary shaft 10 in order to accommodate the control circuit member 25. The opening 21f is set so that the opening direction (direction orthogonal to the opening 21f) is inclined with respect to the axial direction of the rotating shaft 10 and the orthogonal direction. The opening portion 21f of the present embodiment is formed in an inclined straight line connecting the connector portion 7d and the tip side of the worm housing portion 21b (opposite side of the motor body 2) when viewed from the direction orthogonal to the flat surface of the gear housing 21. Has been. And the control circuit member 25 is substantially accommodated in the circuit accommodating part 21d.

  As shown in FIG. 3, the control circuit member 25 includes a holding member 31, a mold IC 32, a heat sink 33, a plurality of capacitors 34a and 34b, a choke coil 35, a Hall IC 36, and the like.

  The holding member 31 includes a base member 41 made of a resin material and a plurality of terminals 42 (insert-molded) disposed on the base member 41. The base member 41 is a pair of a plate-like portion 41a having a substantially flat shape (plate shape) having a quadrangular shape, and a pair of ridges extending in the direction perpendicular to one flat surface 41b of the plate-like portion 41a from both longitudinal ends of the plate-like portion 41a. Terminal connection bases 41c and 41d, and a sensor holding part 41e extending from one terminal connection base 41c along the longitudinal direction of the plate-like part 41a (outward). In addition, the sensor holding part 41e of this Embodiment is formed through the step part 41f of 2 steps | paragraphs along the standing direction from the terminal connection base 41c. The sensor holding surface 41g, which is a flat surface of the sensor holding portion 41e, is formed at a position spaced apart from the flat surface 41b of the plate-like portion 41a in the orthogonal direction of the flat surface 41b, and the sensor holding surface of the present embodiment. 41g is formed in parallel with the flat surface 41b.

  Further, in the plate-like portion 41a, the one flat surface 41b is erected along the standing direction of the terminal connection bases 41c and 41d (that is, in the direction perpendicular to the flat surface 41b of the plate-like portion 41a). A portion 41h is formed. The mounting portions 41h are formed at four locations (only two are shown in FIG. 3) corresponding to the four corners of the flat surface 41b.

  Further, in the plate-like portion 41a, the other flat surface 41i (behind the flat surface 41b) has a frame portion 41j, a plurality of component support portions 41k, and an engagement member, which are erected along the orthogonal direction of the flat surface 41i. A stop convex portion 41l is formed. The frame portion 41j is formed in an annular shape corresponding to (encloses) the choke coil 35 when viewed from the direction orthogonal to the flat surface 41i. The component support portion 41k corresponds to each of the plurality of capacitors 34a and 34b, and is formed to support the outer periphery of each capacitor 34a and 34b together with the outer wall of the frame portion 41j. The locking convex portion 41l corresponds to the locking concave portion 7h (see FIG. 2), and the tip of the locking convex portion 41l fits into the locking concave portion 7h so that the control circuit member 25 is detached from the circuit housing portion 21d (in the assembly direction). It is formed to regulate the movement to the opposite side). Each of the plurality of terminals 42 includes an IC connection part 42a, a sensor connection part 42b, a circuit-side connection terminal 42c, and the like, each of which is provided to be exposed to the outside (of the base member 41). The IC connection part 42a is disposed so as to be exposed on the terminal connection bases 41c and 41d. The sensor connecting portion 42b is disposed so as to be exposed on the sensor holding surface 41g. In addition, the circuit side connection terminals 42c have the same number as the motor side connection terminals 14 at positions corresponding to the motor side connection terminals 14 (see FIG. 2) of the brush side terminals 12 and the connector side terminals 13 (see FIG. 4, FIG. 4, only two of them are shown so as to protrude from the other flat surface 41 i.

  The mold IC 32 has a base portion (package) 51 made of a substantially square plate-like resin material on which a semiconductor element including a power MOSFET and the like constituting a motor drive circuit is mounted (embedded). In the mold IC 32, a plurality of lead terminals 52 that are electrically connected to the semiconductor element are drawn out in the direction along the plane (longitudinal direction) of the base portion 51. The mold IC 32 is provided with a plurality of inspection lead terminals 53. When the mold IC 32 determines that the vehicle window glass has been pinched according to the rotational speed of the sensor magnet 10a (rotary shaft 10) detected by the Hall IC 36, the mold IC 32 reverses the power supply brush 8 (motor body 2). The pinch prevention control such as supplying a rotation current is performed. The mold IC 32 is disposed on the flat surface 41b of the plate-like portion 41a (specifically, the mold IC 32 is bonded to the mounting portion 41h so as to face the flat surface 41b). And the IC connection portion 42a of the terminal 42 are connected and fixed by welding.

  The heat sink 33 is made of an aluminum alloy and is formed in a substantially rectangular flat plate shape. In order to dissipate the heat generated by the mold IC 32 (semiconductor element), the heat sink 33 has its flat surface abutting on the flat surface of the base portion 51 of the mold IC 32 (the flat surface opposite to the side facing the plate-like portion 41a). It is fixed (adhered).

  The capacitors 34a and 34b are disposed on the other flat surface 41i of the plate-like portion 41a. The outer circumferences of the capacitors 34a and 34b are in contact with the outer wall of the frame portion 41j and the component support portion 41k, and are supported by the outer wall of the frame portion 41j and the component support portion 41k. The terminals of the capacitors 34a and 34b are connected and fixed to the terminal 42 embedded in the plate-like portion 41a by solder. This soldering is performed from the flat surface 41b side before the mold IC 32 is fixed.

  The choke coil 35 is disposed on the other flat surface 41i of the plate-like portion 41a. Specifically, a part of the choke coil 35 is disposed in the frame portion 41j and supported by the frame portion 41j. The terminals of the choke coil 35 are connected and fixed by solder to the terminals 42 embedded in the plate-like portion 41a. This soldering is performed from the flat surface 41b side before the mold IC 32 is fixed.

  The Hall IC 36 is disposed on the sensor holding surface 41g of the sensor holding portion 41e. And the terminal of Hall IC36 and the sensor connection part 42b of the terminal 42 are connected and fixed by welding. The Hall IC 36 has two Hall elements (not shown) inside.

  The control circuit member 25 configured as described above is inserted into the gear housing 21 (circuit housing portion 21d) from the opening 21f shown in FIG. 2 in a state where the motor body 2 and the speed reduction portion 3 are assembled. , And a part thereof is assembled so as to protrude from the opening 21f.

  Specifically, at this time, the control circuit member 25 is inserted into the circuit housing portion 21d from the direction along the axial direction of the rotary shaft 10 through the opening 21f, and the locking convex portion 41l is inserted into the locking concave portion. By fitting in 7h (see FIG. 2), the removal from the circuit housing portion 21d (movement to the opposite side of the insertion direction) is restricted and assembled. In the middle of inserting the control circuit member 25 and before the engaging projection 41l is fitted into the engaging recess 7h, as shown in FIG. 5, the engaging projection 41l and the support portion 7f are connected to the motor. By causing the side connection terminal 14 to bend (elastically deform) in the direction of separating (to the right in FIG. 5), collision of the circuit side connection terminal 42c is prevented. Then, in the state where the control circuit member 25 is assembled, that is, in the state where the locking convex portion 41l is fitted in the locking concave portion 7h (see FIG. 2), the support portion 7f and the motor side connection terminal 14 of the locking convex portion 41l. The elastic deformation is released and the motor side connection terminal 14 is set to be elastically pressed against the tip of the circuit side connection terminal 42c. In this state, the contact pressure between the motor-side connection terminal 14 and the circuit-side connection terminal 42c is increased at the support portion 7f that abuts in the contact direction (compared to the case without the support portion 7f).

A metal cover 26 is caulked and fixed to the opening 21f of the gear housing 21 so as to close the opening 21f.
The motor 1 for the power window device configured as described above is disposed in the vehicle door, and an output shaft 23a (see FIG. 1) connected to the worm wheel 23 opens and closes the vehicle window glass. The window glass is opened and closed through a regulator by rotation of the output shaft 23a based on the rotational drive of the motor 1.

Next, characteristic effects of the above embodiment will be described below.
(1) The motor side connection terminal 14 is elastically pressed against and electrically connected to the circuit side connection terminal 42c. The contact pressure between the motor side connection terminal 14 and the circuit side connection terminal 42c is increased at the support portion 7f that abuts in the contact direction (compared to the case where there is no support portion 7f). Both terminals can be brought into pressure contact with each other with high contact pressure without increasing the rigidity (for example, without increasing the thickness in the contact direction), and a good electrical connection state can be maintained without requiring welding. .

  (2) Since the support portion 7f is disposed on the brush holder 7 provided with the motor side connection terminal 14, it can be easily provided adjacent to the motor side connection terminal 14, and the contact can be reliably made with a simple configuration. The pressure can be increased. That is, for example, in the case where the gear housing 21 is provided with a support portion that equally increases the contact pressure, there is a risk that the position of the motor side connection terminal 14 and the support portion may be shifted due to an assembly error with the brush holder 7 or the like. Since this is avoided, the contact pressure can be reliably increased with a simple configuration.

  (3) Since the support portion 7f is configured so as to be in contact with the non-contact side of the motor side connection terminal 14 with the circuit side connection terminal 42c so as to increase the contact pressure, it can be reliably configured with a simple configuration. The contact pressure can be increased.

(4) Since the support portion 7f is integrally formed with the brush holder 7, an increase in the number of parts is suppressed as compared with a case where the support portion 7f is provided separately.
(5) The support portion 7f is provided with its distal end branched so as to be elastically deformable independently for each motor-side connection terminal 14 provided in parallel. Therefore, the contact pressure for each connection portion between the motor side connection terminal 14 and the circuit side connection terminal 42c is separately increased by the support portion 7f provided for each connection portion (for each motor side connection terminal 14). For example, it is possible to suppress variations in contact pressure based on dimensional variations for each connection portion. Specifically, if the elastic deformation is impossible independently for each motor-side connection terminal 14 in which the support portion 7f is juxtaposed, the contact pressure greatly varies based on the height variation for each circuit-side connection terminal 42c ( The contact pressure to the low circuit side connection terminal 42c will be significantly reduced), but this is avoided.

  (6) A restricting portion 7g protruding on the contact side (left side in FIG. 2) of the motor side connecting terminal 14 with the circuit side connecting terminal 42c is extended at the tip of the support portion 7f. Since the movement of the circuit side connection terminal 42c to the opposite side of the assembly direction of the control circuit member 25 is restricted, it is possible to suppress the poor electrical connection state with the motor side connection terminal 14 due to the movement (displacement). it can. In the present embodiment, even if the movement of the circuit side connection terminal 42c is not restricted by the restricting portion 7g, the movement of the entire control circuit member 25 is restricted by fitting the engaging convex portion 41l into the engaging concave portion 7h. However, for example, even if the locking projection 41l is removed from the locking recess 7h, the movement of the circuit side connection terminal 42c is restricted by the restriction 7g, so that the poor electrical connection state can be suppressed. .

The above embodiment may be modified as follows.
In the above embodiment, the support portion 7f is disposed on the brush holder 7. However, if the contact pressure between the motor side connection terminal and the circuit side connection terminal can be increased, the support portion is disposed on another member. Also good.

  For example, as shown in FIG. 6, a support portion 21 g may be disposed on the gear housing 21. Specifically, the brush holder 7 in this example (see FIG. 6) is not formed with the support portion 7f of the above-described embodiment that abuts in the contact direction between the motor side connection terminal 14 and the circuit side connection terminal 42c. The motor side connection terminal 14 is provided so as to be exposed also on the opposite side (right side in FIG. 6) of the holder main body 7a. The opening 21f in the gear housing 21 is in contact with the motor side connection terminal 14 in the contact direction with the circuit side connection terminal 42c in a state where the brush holder 7 and the control circuit member 25 are assembled. A support portion 21g for increasing the pressure is integrally formed. Even in this case, both terminals can be brought into contact with each other with a high contact pressure without increasing the rigidity of the motor side connection terminal 14 itself (for example, without increasing the thickness in the contact direction), so that welding is not required. However, a good electrical connection state can be maintained. Further, since the support portion 21g is integrally formed with the gear housing 21, an increase in the number of parts is suppressed as compared with a case where the support portion 21g is provided separately.

  Further, for example, as shown in FIG. 7, an intermediate connector 61 as a support portion may be disposed on the control circuit member 25. Specifically, the brush holder 7 in this example (see FIG. 7) is not formed with the support portion 7f of the above-described embodiment that contacts in the contact direction between the motor side connection terminal 14 and the circuit side connection terminal 42c. The motor side connection terminal 14 is provided so as to be exposed also on the opposite side (right side in FIG. 6) of the holder main body 7a. The intermediate connector 61 is fixed at a position corresponding to the circuit side connection terminal 42 c in the control circuit member 25.

  The intermediate connector 61 has a circuit side insertion hole 61a into which the circuit side connection terminal 42c is inserted while being fixed to the control circuit member 25, and the motor side connection in a state where the control circuit member 25 is assembled to the gear housing 21. The motor side insertion hole 61b into which the terminal 14 is inserted is formed to communicate at a right angle. In addition, at the opening end of the motor-side insertion hole 61b in the intermediate connector 61 of this example, the insertion direction of the control circuit member 25 and its orthogonal direction (that is, in order to guide the motor-side connection terminal 14 to the deep part of the motor-side insertion hole 61b) In FIG. 7, a guide inclined portion 61c inclined with respect to the vertical direction and the horizontal direction) is formed. The intermediate connector 61 includes an intermediate terminal 62 for indirectly connecting the motor side connection terminal 14 and the circuit side connection terminal 42c inside (inside the circuit side insertion hole 61a and the motor side insertion hole 61b).

  When the circuit side connection terminal 42c is inserted into the circuit side insertion hole 61a, the intermediate terminal 62 has one of the fitting portion 62a fitted to the circuit side connection terminal 42c and one of the inner walls of the motor side insertion hole 61b (FIG. 7). And an elastic contact portion 62b that is supported by the inner wall (left inner wall) and obliquely extends to the other inner wall (right inner wall in FIG. 7) and is elastically deformable. When the motor side connection terminal 14 is inserted into the motor side insertion hole 61b, the elastic contact portion 62b connected to the circuit side connection terminal 42c connects the motor side connection terminal 14 to the other of the inner walls of the motor side insertion hole 61b ( In FIG. 7, the motor-side connection terminal 14 is pressed against the right inner wall). That is, in this example (see FIG. 7), the inner wall of the motor side insertion hole 61b in the intermediate connector 61 abuts in the contact direction between the motor side connection terminal 14 and the elastic contact portion 62b connected to the circuit side connection terminal 42c. Contact pressure is increased.

  Even in this case, both terminals can be brought into pressure contact with high contact pressure without increasing the rigidity of the motor side connection terminal 14 or the circuit side connection terminal 42c itself (for example, without increasing the thickness in the contact direction). It is possible to maintain a good electrical connection state without requiring welding. Further, since the intermediate connector 61 as the support portion is disposed on the control circuit member 25 provided with the circuit side connection terminal 42c, it can be easily provided adjacent to the circuit side connection terminal 42c and has a simple configuration. The contact pressure can be reliably increased. That is, for example, when the support portion is provided in the gear housing 21, the position of the motor side connection terminal 14 or the circuit side connection terminal 42 c and the support portion is shifted due to an assembly error with the brush holder 7 or the control circuit member 25. Although there is a concern, since this is avoided, the contact pressure can be reliably increased with a simple configuration.

In the above embodiment, the support portion 7 f is integrally formed with the brush holder 7. However, the support portion 7 f may be manufactured separately and fixed to the brush holder 7.
In the embodiment described above, the support portion 7f is provided with the tip side branching so as to be elastically deformable independently for each motor side connection terminal 14 provided in parallel. However, the present invention is not limited to this. Each terminal 14 may be provided independently so as not to be elastically deformable (without branching).

In the above embodiment, the restriction portion 7g is extended at the tip of the support portion 7f. However, the restriction portion 7g may be omitted.
In the above embodiment, the motor 1 for the power window device is embodied. However, for example, the motor 1 may be embodied in a motor for other devices such as a sunroof device, a slide door device, and a back door device.

The top view of the motor in this Embodiment. 1 is a partial cross-sectional view of a motor in the present embodiment. The top view of the control circuit member in this Embodiment. The fragmentary perspective view of the support part periphery in this Embodiment. The elements on larger scale for demonstrating the support part periphery in this Embodiment. The partial sectional view of the motor in another example. The partial sectional view of the motor in another example.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 2 ... Motor main body, 7 ... Brush holder, 7f, 21g ... Support part, 7g ... Control part, 8 ... Brush for electric power feeding, 14 ... Motor side connection terminal, 21 ... Gear housing, 21d ... Circuit accommodating part, 22 ... Reduction gear A worm shaft constituting a part of the gear, 23 a worm wheel constituting a part of the reduction gear, 25 a control circuit member, 42 c a circuit side connection terminal, 61 an intermediate connector (supporting part).

Claims (6)

A motor-side connection terminal provided on the motor body side, the motor body including a motor body and a control circuit member that is assembled to the motor body and controls the motor body; And a circuit side connection terminal provided on the control circuit member side,
The motor-side connection terminal and the circuit side are respectively provided with a plurality of the connecting portions of the motor side connection terminal and the circuit side is provided with a plurality, the motor side connection terminal and the at their connecting portions one connection terminal of the circuit-side connection end terminal has been made to pressure contact with the elastic against the other connection terminal,
In at least one of the motor main body side and the control circuit member side, one component member has its end portion branched into a plurality corresponding to each of the plurality of connection portions, and each branch portion can be elastically deformed independently. Each of the branch portions that are configured and branched into a plurality of contact portions contact the one connection terminal at the corresponding connection portion, and the contact pressure of the one connection terminal with respect to the other connection terminal that is in contact with the one connection terminal Configure the support to enhance
The plurality of support portions do not electrically connect the motor side connection terminals and the circuit side connection terminals, but separately increase the contact pressure for each corresponding connection portion. motor. The motor according to claim 1,
The motor body includes a brush holder that holds the power supply brush and is provided with the motor-side connection terminal;
Wherein the plurality of support portions, a motor, wherein the motor body side was found provided in the brush holder which is one of the components. The motor according to claim 2,
The motor is characterized in that the plurality of support portions are provided so as to abut on a non-contact side of the motor side connection terminal with the circuit side connection terminal to increase the contact pressure. The motor according to claim 2 or 3,
The motor according to claim 1, wherein the plurality of support portions are integrally formed with the brush holder. The motor according to any one of claims 2 to 4 ,
The support portion includes a restricting portion that protrudes toward a contact side of the motor side connection terminal with the circuit side connection terminal to restrict movement of the circuit side connection terminal to the opposite side of the assembly direction of the control circuit member. A motor that is extended. The motor according to claim 1,
Wherein the plurality of support portions, a motor, wherein the control circuit member provided et the.

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