WO2016056242A1 - 駆動装置 - Google Patents

駆動装置 Download PDF

Info

Publication number
WO2016056242A1
WO2016056242A1 PCT/JP2015/005124 JP2015005124W WO2016056242A1 WO 2016056242 A1 WO2016056242 A1 WO 2016056242A1 JP 2015005124 W JP2015005124 W JP 2015005124W WO 2016056242 A1 WO2016056242 A1 WO 2016056242A1
Authority
WO
WIPO (PCT)
Prior art keywords
central axis
drive device
groove
drive
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2015/005124
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
佐藤　広之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Publication of WO2016056242A1 publication Critical patent/WO2016056242A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre

Definitions

  • the present disclosure relates to a drive device that drives a door member.
  • the air conditioner is provided with a door member for switching the flow path through which air passes.
  • a door member for example, there is a member (air mix door) for adjusting the temperature of air by changing the amount of air passing through a heater.
  • a door for switching between a flow path of air blown toward the driver's upper body and a flow path of air blown toward the driver's feet There are parts.
  • the air conditioner is often provided with a driving device that drives the door member by the driving force of a motor (rotating electric machine) so that the flow path is switched automatically instead of manually.
  • a drive device has a structure having a speed reduction mechanism in addition to the motor.
  • the deceleration mechanism is a mechanism for converting the rotation of the rotating shaft of the motor into an opening / closing operation of the door member.
  • the driving force of the motor is decelerated by the deceleration mechanism and the torque is increased and transmitted to the door member.
  • Patent Document 1 proposes a drive device having a structure in which a speed reduction mechanism is housed inside a cylindrical portion (shaft) serving as a rotating shaft among door members of a rotating door.
  • the drive device includes a first screw connected to the rotating shaft of the motor, and a second screw disposed away from the first screw along the axial direction of the rotating shaft.
  • a slider is further provided with one end screwed into the first screw and the other end screwed into the second screw.
  • the reduction mechanism as described above for converting the rotational movement of the rotating shaft of the motor into the opening / closing operation of the door member is provided inside the columnar portion serving as the rotating shaft of the door member. It has a stored configuration. For this reason, for example, as compared with a configuration in which the speed reduction mechanism is disposed outside the space (air flow path) in which the door member is accommodated, the entire drive device including the speed reduction mechanism can be reduced in size.
  • a conversion mechanism for converting the rotational motion of the first screw into the linear motion of the slider, and a conversion mechanism for converting the linear motion of the slider into the rotational motion of the second screw; are arranged so as to be spaced apart from each other along the central axis of the rotation axis of the motor. For this reason, it has been difficult to further reduce the size by reducing the dimension in the direction along the central axis.
  • the first screw and the second screw need to be arranged so that their central axes coincide with each other.
  • these are configured as separate parts, there is a possibility that the respective central axes may be displaced due to variations during assembly. As a result, the linear motion of the slider is hindered, and the operation accuracy (positioning accuracy) of the door member may be deteriorated.
  • the present disclosure has been made in view of such problems, and an object of the present disclosure is to provide a driving device that can further reduce the size of the whole without deteriorating the operation accuracy of the door member.
  • a drive device for driving a door member, which includes a motor having a rotation shaft, a rod-shaped member, and a rotation shaft.
  • a first member that rotates together, a second member that is disposed so as to surround at least a part of the first member from the outside, a third member that is disposed so as to surround at least a part of the second member from the outside,
  • the first conversion mechanism that changes the rotational motion of the first member around the central axis of the rotational shaft to the linear motion of the second member along the central shaft, and the linear motion of the second member along the central shaft
  • a second conversion mechanism that converts the rotational movement of the third member around, and the door member is driven in conjunction with the rotational movement of the third member.
  • the rotational motion is converted into the linear motion of the second member (first conversion mechanism), and the linear motion is converted to the third member. It is converted into a rotational motion (second conversion mechanism), and the door member is driven in conjunction with the rotational motion of the third member.
  • the first member, the second member, and the third member are arranged in this order from the central axis of the motor toward the outside.
  • the first conversion mechanism and the second conversion mechanism do not need to be spaced apart from each other along the central axis of the motor. Can be placed. For this reason, the dimension along the central axis of the motor can be shortened.
  • the second member is disposed so as to surround at least a part of the first member from the outside
  • the third member is disposed so as to surround at least a part of the second member from the outside.
  • the main components of the driving device are not arranged so as to be divided into a plurality along the central axis of the motor. For this reason, it is prevented that the position of several components shifts
  • a drive device that can further downsize the whole without deteriorating the operation accuracy of the door member.
  • the drawing It is a perspective view which shows the drive device which concerns on 1st Embodiment. It is a figure which shows typically the internal structure of the drive device shown by FIG. It is a figure which shows the slider of the drive device shown by FIG. It is a figure which shows the shape of the groove
  • FIG. 12 (A) is a figure which shows the state by which the blowing of air is switched to the FOOT side
  • FIG. B) is a diagram showing a state in which the air blowing is switched to the FACE side. It is a figure which shows the modification of 1st Embodiment which replaced the protrusion of the slider and the groove
  • the drive device 10 forms part of the vehicle air conditioner, and is housed in a casing CS that divides the air flow path, as shown in FIG.
  • the driving device 10 is a device for driving the door member 350 for regulating the air flow and changing the air flow.
  • the door member 350 to be driven is formed integrally with a component (a door shaft 310 described later) constituting the driving device 10.
  • a plurality of flow paths through which air passes are formed. Specifically, as shown in FIGS. 12A and 12B, an upper flow path FP1 and a lower flow path FP2 are formed.
  • the flow path FP1 is a flow path for guiding air so that air from a blower (not shown) arranged on the upstream side (left side in FIG. 12) is blown out toward the upper body of the driver.
  • the flow path FP2 is a flow path for guiding the air so that the air from the blower is blown out toward the driver's feet. In FIG. 12, the air from the blower flows from the left side to the right side in any flow path.
  • FIG. 12 (A) shows a state in which air is blown out toward the driver's feet, that is, a state in which the air blowing is switched to the “FOOT side” by the driver's operation.
  • the entire entrance of the flow path FP1 is closed by the door member 350. For this reason, the air from the blower does not flow into the flow path FP1, but flows into the flow path FP2 and is supplied to the driver's feet through the flow path FP2.
  • FIG. 12B shows a state in which air is blown out toward the upper body of the driver, that is, a state in which the air blowing is switched to “FACE side” by the driver's operation.
  • the entire inlet of the flow path FP2 is closed by the door member 350.
  • the air from the blower does not flow into the flow path FP2, but flows into the flow path FP1 and is supplied to the upper body side of the driver through the flow path FP1.
  • Switching between the state shown in FIG. 12A and the state shown in FIG. 12B is performed by driving the door member 350 by the driving device 10. Specifically, the state is switched as the door member 350 rotates around the central axis of the door shaft 310.
  • the position of the door member 350 (rotation angle in the present embodiment) is changed by the driving device 10, and the flow path through which the air flows is switched from the FOOT side to the FACE side or from the FACE side to the FOOT side.
  • the drive device 10 can be applied not only to the flow path switching mechanism as shown in FIG. 12 but also to various types of conventionally known flow path switching mechanisms (for example, air mix doors). In the following description, only the specific configuration and operation of the drive device 10 will be described, and illustration and description of the specific form of the flow path in which the drive device 10 and the door member 350 are arranged will be omitted.
  • the drive device 10 includes a motor M, a motor folder 400, a screw 100, a slider 200, and a rotary door 300, and substantially all of the drive device 10 is disposed inside the casing CS (a flow path through which air passes). Yes.
  • FIG. 1 shows a state in which a part (front side portion) of each of the slider 200, the rotary door 300, and the motor folder 400 is cut so that the internal structure of the driving device 10 is clarified. Yes.
  • FIG. 2 shows a state in which the normal direction of the main surface of the door member 350 is horizontal because the door member 350 is rotated so that the overall shape of the door member 350 is shown in cross section.
  • the motor M is a rotating electric machine having a substantially cylindrical housing.
  • the motor M is a source of driving force necessary for opening and closing the door member 350.
  • the motor M is fixed to the inner surface of the casing CS in a state where the rotation axis MX is directed in the horizontal direction and toward the inside of the casing CS. Specifically, it is fixed to the casing CS via the motor folder 400 while being held and fixed in a motor folder 400 described later.
  • the rotation axis MX is rotated around its central axis (central axis CA) by the driving force of the motor M.
  • the motor M is a DC motor.
  • the motor M is not necessarily a DC motor, and various rotating electrical machines having a rotating shaft (output shaft) such as a step motor and a brushless motor can be employed.
  • the motor M may be of a specification that operates by supplying power of 12V or 24V.
  • the x-axis is set with the x direction being the direction from the motor M toward the revolving door 300 along the central axis CA.
  • the y axis is set with the y direction being the horizontal direction and the direction perpendicular to the x direction.
  • the z-axis is set with the direction going vertically upward as the z direction.
  • the x axis, the y axis, and the z axis are similarly set.
  • the motor folder 400 is a member for holding the motor M.
  • the motor folder 400 is formed in a substantially cylindrical shape, and is arranged in a state where the central axis thereof coincides with the central axis CA of the rotation axis MX.
  • the motor folder 400 has a large diameter part 410 and a small diameter part 420.
  • the large diameter portion 410 is a portion of the motor folder 400 on the ⁇ x direction side.
  • the inner diameter of the large diameter portion 410 is substantially the same as the outer diameter of the casing of the motor M.
  • the housing of the motor M is fixed to the large diameter portion 410 with the entire outer peripheral surface thereof being in contact with the inner peripheral surface of the large diameter portion 410.
  • a various fixing method is employable.
  • a mode in which a plurality of protrusions are formed on the inner peripheral surface of the large-diameter portion 410 and only the tips of the protrusions are in contact with the housing of the motor M may be employed.
  • the vicinity of the end portion on the ⁇ x direction side of the large diameter portion 410 is inserted into a circular through hole formed in the wall surface of the casing CS and fixed to the casing CS.
  • the casing of the motor M is fixed to the casing CS via the large diameter portion 410 of the motor folder 400. For this reason, the housing of the motor M is prevented from sliding in the x direction and rotating around the central axis CA.
  • the small diameter portion 420 is a portion of the motor folder 400 on the x direction side.
  • the inner diameter of the small diameter portion 420 is smaller than the inner diameter of the large diameter portion 410 and slightly larger than the outer diameter of the slider 200.
  • Three grooves 422 extending along the x direction are formed on the inner peripheral surface 440 of the small diameter portion 420. Note that the number of the grooves 422 need not be limited to three, and a plurality of four or more grooves 422 may be formed at equal intervals. Alternatively, one or two grooves 422 may be formed.
  • these grooves 422 prevent the slider 200 from rotating around the central axis CA. That is, the motor folder 400 has both a function of holding the motor M and fixing it to the casing CS and a function of suppressing the rotation of the slider 200.
  • the internal space of the small diameter portion 420 is also referred to as “internal space 421”.
  • the motor folder 400 is formed by resin molding.
  • the motor folder 400 may be formed integrally with the casing CS.
  • a mode in which the motor folder 400 having a shape as shown in FIG. 2 is integrally formed with the housing of the motor M may be employed. In this case, the motor folder 400 (formed integrally) and the motor M are fixed to the casing CS.
  • the screw 100 is a rod-shaped (columnar) member having one end fixed to the rotation shaft MX.
  • the screw 100 is arranged in a state in which the central axis thereof coincides with the central axis CA of the rotation axis MX.
  • a recess (not shown) is formed on the end surface of the screw 100 on the side opposite to the motor M.
  • a projection HP formed on the casing CS is accommodated in the recess.
  • the screw 100 is held in a rotatable state by the protrusion HP.
  • the configuration for holding the screw 100 is not limited to this, and various configurations can be adopted.
  • a cylindrical bearing portion formed on the inner surface (surface on the screw 100 side) of the casing CS may support the screw 100 from the outer peripheral side.
  • a screw-shaped protrusion 110 is formed on substantially the entire outer peripheral surface of the screw 100.
  • the screw 100 is formed by resin molding, but the screw 100 may be a metal part.
  • the slider 200 is a substantially cylindrical member, and is arranged in a state where the central axis thereof coincides with the central axis CA of the rotation axis MX.
  • the inner diameter of the slider 200 is substantially equal to the outer diameter of the screw 100.
  • a spiral groove 210 is formed on the inner peripheral surface of the slider 200.
  • a screw 100 is inserted through the slider 200, and the protrusion 110 of the screw 100 and the groove 210 of the slider 200 are screwed together.
  • the shapes of the screw 100 and the slider 200 are not formed as described above. As long as the screw 100 is rotated around the central axis CA, various configurations can be adopted as long as the rotation is converted into a smooth linear movement (movement along the central axis CA) of the slider 200. For example, a mode in which columnar protrusions formed on the surface of the screw 100 are accommodated in a spiral groove formed on the inner surface of the slider 200 may be employed.
  • the slider 200 is formed by resin molding, but the screw 100 may be a metal part.
  • protrusions 220 projecting outward are formed in the vicinity of the end on the ⁇ x direction side of the outer peripheral surface of the slider 200. As shown in FIG. 3, the protrusions 220 are arranged so as to be equally spaced from each other when viewed along the x-axis. That is, the three straight lines connecting the central axis CA and the respective protrusions 220 are arranged at positions where they intersect each other at an angle of 120 degrees. Of these protrusions 220, one protrusion 220 protrudes vertically upward.
  • Each projection 220 is accommodated in each of three grooves 422 formed on the inner peripheral surface 440 of the small diameter portion 420.
  • the respective grooves 422 are formed at positions where the respective protrusions 220 arranged as shown in FIG. 3 are accommodated.
  • the number of grooves 422 need not be limited to three, and four or more or two or less (that is, a single or plural) grooves 422 may be formed.
  • the same number of protrusions 220 as the number of grooves 422 are formed on the outer peripheral surface of the slider 200 at positions corresponding to the grooves 422.
  • the grooves 422 and the protrusions 220 need only be arranged at equal intervals, but may not be at equal intervals.
  • FIG. 4 is a diagram showing the shape and arrangement of the groove 422 formed in the inner peripheral surface 440 of the small diameter portion 420.
  • FIG. 4 shows the entire inner peripheral surface 440 (which is a cylindrical curved surface) developed and drawn. The upper side and the lower side in FIG. 4 are actually connected. The same applies to FIG. 6 used for later description.
  • the three grooves 422 formed on the inner peripheral surface 440 are arranged in parallel with each other at equal intervals.
  • Each groove 422 is formed in parallel to the central axis CA.
  • the slider 200 Since the protrusion 220 is accommodated in the groove 422, the slider 200 is prevented from rotating around the central axis CA. Therefore, when the motor M is driven and the screw 100 rotates, the slider 200 moves along the x axis. At this time, the protrusion 220 moves along the groove 422 while being accommodated in the groove 422.
  • the length of the groove 422 along the x-axis is substantially equal to the length of the movable range of the slider 200.
  • the projecting portion 110 and the groove portion 210 are screwed together, so that the rotational motion of the screw 100 is converted into the straight motion of the slider 200.
  • the protrusion 110 and the groove 210 correspond to the “first conversion mechanism”.
  • Each of the protrusions 220 and the grooves 422 corresponds to a “rotation suppression mechanism”.
  • the rotary door 300 includes a door shaft 310 and a door member 350, which are integrally formed by resin molding.
  • the door shaft 310 is a portion formed in a substantially cylindrical shape, and is arranged in a state where the central axis thereof coincides with the central axis CA of the rotation axis MX.
  • the door shaft 310 surrounds substantially the entire screw 100 from the outside.
  • the portion of the door shaft 310 that surrounds the small diameter portion 420 of the motor folder 400 from the outside (the portion on the ⁇ x direction side from the dotted line DL1 in FIG. 2) has an inner diameter slightly smaller than the outer diameter of the small diameter portion 420. It is getting bigger. Further, in the door shaft 310, a portion further on the x direction side than the end portion on the x direction side of the small diameter portion 420 (a portion on the x direction side with respect to the dotted line DL ⁇ b> 1 in FIG. 2) has an inner diameter larger than the outer diameter of the slider 200. Is slightly larger. In the following description, the inner peripheral surface of the portion of the door shaft 310 (the x direction side from the dotted line DL1) is also referred to as an “inner peripheral surface 340”.
  • the portion of the internal space of the door shaft 310 that is closer to the ⁇ x direction than the dotted line DL1 is also referred to as “internal space 311”. Further, in the internal space of the door shaft 310, the portion on the x direction side from the dotted line DL ⁇ b> 1 is also referred to as “internal space 312” below.
  • Part of the slider 200 (near the end on the x direction side) is always arranged in the internal space 312 of the door shaft 310.
  • Three protrusions 230 projecting outward are formed in the vicinity of the end on the x-direction side of the outer peripheral surface of the slider 200. Similar to the protrusions 220 described with reference to FIG. 3, the protrusions 230 are arranged at equal intervals when viewed along the x-axis. That is, the three straight lines connecting the central axis CA and the respective protrusions 230 are arranged at positions that intersect each other at an angle of 120 degrees. Of these protrusions 230, one protrusion 230 protrudes vertically upward.
  • each groove 313 is formed in the inner peripheral surface 340 of the door shaft 310 so as to surround the central axis CA spirally.
  • Each protrusion 230 is housed in each of these grooves 313.
  • each groove 313 is formed in the inner peripheral surface 340 at a position where each projection 230 arranged as shown in FIG. 3 is accommodated.
  • the number of grooves 313 need not be limited to three, and four or more or two or less (that is, a single or plural) grooves 313 may be formed.
  • the number of protrusions 230 need not be limited to three, and four or more or two or less protrusions 230 may be formed.
  • the same number of protrusions 230 as the number of grooves 313 are formed on the outer peripheral surface of the slider 200 at positions corresponding to the grooves 313.
  • the grooves 313 and the protrusions 230 need only be arranged at equal intervals, but may not be at equal intervals.
  • FIG. 5 is a view showing the shape and arrangement of the groove 313 formed in the inner peripheral surface 340 of the door shaft 310.
  • FIG. 5 shows the entire inner peripheral surface 340 (which is a cylindrical curved surface) developed. The upper side and the lower side in FIG. 5 are actually connected. The same applies to FIGS. 7, 8, and 9 used in the following description.
  • the three grooves 313 formed on the inner peripheral surface 340 are arranged in parallel with each other at equal intervals.
  • Each of the grooves 313 is formed such that the angle formed by the longitudinal direction with respect to the central axis CA is ⁇ 1.
  • each protrusion 230 goes straight along the x-axis. For this reason, a force is applied by the protrusion 230 to the inner surface of the groove 313 in which the protrusion 230 is accommodated.
  • the door shaft 310 rotates around the central axis CA by the force.
  • the protrusion 230 is housed in the spirally formed groove 313, the linear movement of the slider 200 is converted into the rotational movement of the door shaft 310 (the rotary door 300).
  • Each of the protrusions 230 and the grooves 313 corresponds to a “second conversion mechanism”.
  • the door member 350 is a member for switching the flow path through which air flows in the air conditioner, as already described with reference to FIG.
  • the door member 350 is a substantially rectangular plate-like body, and is formed so as to extend outward from the outer peripheral surface of the door shaft 310. Further, a boundary portion between the door member 350 and the door shaft 310 extends over substantially the entire door shaft 310 along the x axis.
  • the rotation of the rotating shaft MX of the motor M is decelerated by two mechanisms (first conversion mechanism and second conversion mechanism) and transmitted to the door member 350.
  • the range in which the first conversion mechanism is arranged (screw 100 and slider 200) and the range in which the second conversion mechanism is arranged (slider 200 and door shaft 310) are along the x direction. Are not separated from each other and overlap along the x-axis. It can also be said that the first conversion mechanism and the second conversion mechanism are arranged so as to overlap each other along the radial direction of the door shaft 310.
  • the first conversion mechanism and the second conversion mechanism are arranged in this way, it is possible to shorten the overall dimensions of the drive device 10 along the x-axis. In other words, even if the internal dimension of the flow path is small, substantially the entire drive device 10 can be accommodated in the flow path.
  • the slider 200 is disposed so as to surround the screw 100 from the outside, and the door shaft 310 is disposed so as to surround the slider 200 from the outside. Further, the small diameter portion 420 of the motor folder 400 surrounds the slider 200 from the outside and is surrounded by the door shaft 310 from the outside.
  • the main components of the drive device 10 are not arranged so as to be divided into a plurality along the central axis of the motor, but are arranged so as to overlap each other in the radial direction (direction perpendicular to the central axis CA). Has been. For this reason, it is prevented that the position of a some component shifts
  • a groove 422 for suppressing the rotation of the slider 200 is formed in the small diameter portion 420 of the motor folder 400.
  • the motor folder 400 may have only a function of holding the motor M, and the rotation of the slider 200 may be suppressed by a member different from the motor folder 400.
  • a part of the casing CS may extend along the outer peripheral surface of the slider 200, and a groove (corresponding to the groove 422) for accommodating the protrusion 220 may be formed in the part.
  • door shaft 310 and the door member 350 may not be integrally formed, but may be connected to each other after being formed as separate parts.
  • the number of protrusions 220 may not be three.
  • the number of the protrusions 220 may be four. In this case, it is only necessary that the four straight lines connecting the central axis CA and the respective protrusions 220 intersect with each other at an angle of 90 degrees.
  • protrusion 220 is pressed against the inner surface of the groove 422 with a strong force. It is also conceivable that the force that the slider 200 receives from the entire small-diameter portion 420 acts in a direction in which the central axis of the slider 200 and the central axis of the small-diameter portion 420 are shifted. In view of this point, as in the present embodiment, a plurality of protrusions 220 need only be arranged at equal intervals.
  • the projection 230 is the same as described above, and the number of the projections 230 is not limited to three, and only one projection 230 may be formed. However, for the same reason as described above, a plurality of protrusions 230 may be arranged at equal intervals.
  • the entire slider 200 (along the x-axis) is surrounded by the door shaft 310 from the outside.
  • a part of the slider 200 (a range along the x axis) may be surrounded by the door shaft 310 from the outside.
  • the three grooves 422 formed on the inner peripheral surface 440 of the small diameter portion 420 are all linearly formed along the central axis CA (see FIG. 4). It replaces with such an aspect and one part or all along the x-axis among each groove
  • channel 422 may be formed helically instead of linear form.
  • FIG. 6 shows the entire inner peripheral surface 440 in a modified example in the same manner as in FIG. The upper side and the lower side in FIG. 6 are actually connected.
  • each groove 422 closer to the x direction than the substantially central portion (dotted line DL ⁇ b> 2) along the x direction is formed in a spiral shape.
  • the angle formed by the longitudinal direction of each groove 422 with respect to the central axis CA is ⁇ 2.
  • the portion of each groove 422 on the ⁇ x direction side from the dotted line DL2 is formed to extend in parallel with the central axis CA, as shown in FIG.
  • the slider 200 moves in the x direction and the protrusion 220 is located on the x direction side with respect to the dotted line DL2, the slider 200 moves in the x direction while rotating around the central axis CA.
  • the protrusion 230 does not move linearly along the x-axis, but also moves while rotating around the central axis CA. For this reason, both the rotation speed and rotation angle of the door shaft 310 that receives the force from the protrusion 230 and rotates are larger than those shown in FIG. 4.
  • the groove 422 may be formed in a spiral shape in the entire range along the x-axis. In such a case, the door shaft 310 rotates at a higher rotational speed than originally.
  • the rotational speed of the door shaft 310 may be the same as that in the first embodiment. Is possible. For example, if the magnitude of ⁇ 1 shown in FIG. 5 is 30 degrees, if ⁇ 2 in FIG. 6 is 15 degrees and ⁇ 3 in FIG. 7 is also 15 degrees, the rotational speed of the door shaft 310 in the latter half is This is substantially the same as in the first embodiment.
  • the groove 313 of the inner peripheral surface 340 is formed to have a uniform spiral shape as a whole. Instead of such a mode, as shown in FIG. 8, even if the groove 313 extends along the central axis CA in a part of the range along the x-axis (between the dotted line DL3 and the dotted line DL4). Good.
  • the rotation of the door shaft 310 temporarily stops (when the protrusion 230 is between the dotted lines DL3 and DL4), and then again. It starts to rotate.
  • the groove 313 extends along the central axis CA in a part of the range along the x-axis (between the dotted line DL5 and the dotted line DL6). Further, in the range on the ⁇ x direction side from the dotted line DL5 and the range on the x direction side from the dotted line DL6, the groove 313 is formed in a spiral shape in the opposite direction.
  • the rotation of the door shaft 310 temporarily stops (when the protrusion 230 is between the dotted lines DL5 and DL6), and then It will start to rotate in the opposite direction from the beginning.
  • the door shaft 310 and the door member 350 can be operated in various operation patterns by appropriately changing the shape of the groove 313.
  • the protrusion 230 and the groove 313 may be interchanged. That is, as shown in FIG. 13, the drive mechanism 10 includes a protrusion 313 projecting inward from the inner peripheral surface 340 of the door shaft 310 and a spiral groove formed on the outer peripheral surface of the slider 200. In addition, a groove 230 that receives the protrusion 313 may be provided. Also with this configuration, the same effect as in the first embodiment can be obtained.
  • the protrusion 220 and the groove 422 may be interchanged. That is, as shown in FIG. 14, the drive mechanism 10 is formed on the outer peripheral surface of the slider 200 and the protrusion 422 that protrudes inward from the inner peripheral surface 440 of the small diameter portion 420 and extends along the central axis CA. A groove 220 that receives the protrusion 422 therein may be provided. Also with this configuration, the same effect as in the first embodiment can be obtained. (Second Embodiment)
  • the drive device 11 according to the second embodiment will be described with reference to FIG.
  • the drive device 11 includes two rotating doors 300A and 300B, and is different from the drive device 10 in that door members 350A and 350B formed on the doors are driven. In the following description, description of parts common to the driving device 10 is omitted.
  • the revolving door 300 ⁇ / b> A is formed in the same shape as the revolving door 300 of the driving device 10.
  • a portion corresponding to the door shaft 310 in the rotary door 300A is described with “A” added to the end thereof, such as “door shaft 310A”.
  • the revolving door 300B has substantially the same shape as the revolving door 300. However, it differs from the revolving door 300 in that the internal space 311 for accommodating the small diameter portion 420 of the motor folder 400 is not formed.
  • the revolving door 300B has substantially the same shape as the revolving door 300 shown in FIG. 2 except for a portion on the ⁇ x direction side from the dotted line DL1. In the following description, for example, a portion corresponding to the door shaft 310 in the revolving door 300B is described with “B” at the end like “door shaft 310B”.
  • the slider 200 of the driving device 11 has a shape in which an end portion on the x direction side of the slider 200 of the driving device 10 is further extended in the x direction side. A portion of the slider 200 near the end on the x direction side is housed in the internal space 312B of the door shaft 310B.
  • protrusions 240 projecting outward are formed in the vicinity of the end on the x direction side of the outer peripheral surface of the slider 200. Similar to the protrusions 220 described with reference to FIG. 3, the protrusions 240 are arranged at equal intervals from each other when viewed along the x-axis. That is, the three straight lines connecting the central axis CA and the respective protrusions 240 are arranged at positions that intersect each other at an angle of 120 degrees. Of these protrusions 240, one protrusion 240 protrudes vertically upward.
  • three protrusions 220, 230, and 240 are formed at three locations along the x-axis.
  • Each protrusion 240 is accommodated in a groove 313B formed on the inner peripheral surface 340B of the door shaft 310B.
  • the grooves 313B are grooves that spirally surround the central axis CA, and three grooves 313B are formed on the inner peripheral surface 340B.
  • each protrusion 240 goes straight in the x direction. For this reason, a force is applied by the protrusion 240 to the inner surface of the groove 313 ⁇ / b> B in which the protrusion 240 is accommodated. With this force, the door shaft 310B rotates around the central axis CA.
  • each of the door shaft 310A and the door shaft 310B rotates accordingly.
  • the door member 350A and the door member 350B also rotate (open and close).
  • the door shaft 310 and the door member 350 can be operated in various operation patterns by appropriately changing the shape of the groove 313 formed in the door shaft 310. .
  • the operation patterns of the door member 350A and the door member 350B can be independently changed by appropriately changing the shape of the groove 313A and the shape of the groove 313B.
  • three or more door members to be driven may be arranged along the x axis. Even in such a case, a plurality of door members can be operated by one slider 200 as in the configuration shown in FIG.
  • FIG. 11 is a diagram schematically illustrating a part of the drive device 12 according to the third embodiment.
  • the driving device 12 is different from the driving device 11 in that the object to be driven is the sliding door 700 instead of the rotary door, and the shape of the door shaft, but the other points are the same as the driving device 10.
  • the door shaft of the driving device 12 is referred to as “door shaft 310C”.
  • the door shaft 310C has a configuration in which the door member 350 is removed from the rotary door 300 of the driving device 10 (only the door shaft 310 is provided), and gears 361 and 362 are formed on the outer peripheral surface of the door shaft 310.
  • the gear 361 is formed to make one round along the circumferential direction in the vicinity of the end on the ⁇ x direction side of the outer peripheral surface of the door shaft 310C.
  • the gear 362 is formed to make one round along the circumferential direction in the vicinity of the end portion on the x-direction side of the outer peripheral surface of the door shaft 310C.
  • the sliding door 700 to be driven is a rectangular flat plate formed so that its dimension along the x-axis is the same as the length of the door shaft 310C.
  • the sliding door 700 is arranged in a state where one main surface 701 is in contact with or close to the outer peripheral surface of the door shaft 310C.
  • a gear 761 (rack gear) is formed along the y axis in the vicinity of the end on the ⁇ x direction side of the main surface 701.
  • the gear 761 meshes with a gear 361 formed on the door shaft 310C.
  • a gear 762 (rack gear) is formed along the y axis in the vicinity of the end on the x direction side of the main surface 701.
  • the gear 762 meshes with a gear 362 formed on the door shaft 310C.
  • the door shaft 310C rotates around the central axis CA by the same mechanism as that of the driving device 10.
  • the sliding door 700 receives a force from the door shaft 310C at the gears 761 and 762 and moves along the y-axis. That is, the opening / closing operation of the slide door 700 is performed.
  • the drive target of the drive device according to the present disclosure is not limited to the revolving door, and various types of doors can be driven.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transmission Devices (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Air-Flow Control Members (AREA)
  • Air-Conditioning For Vehicles (AREA)
PCT/JP2015/005124 2014-10-09 2015-10-08 駆動装置 Ceased WO2016056242A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014207659A JP6375848B2 (ja) 2014-10-09 2014-10-09 駆動装置
JP2014-207659 2014-10-09

Publications (1)

Publication Number Publication Date
WO2016056242A1 true WO2016056242A1 (ja) 2016-04-14

Family

ID=55652876

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/005124 Ceased WO2016056242A1 (ja) 2014-10-09 2015-10-08 駆動装置

Country Status (2)

Country Link
JP (1) JP6375848B2 (https=)
WO (1) WO2016056242A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20260023395A (ko) * 2024-08-09 2026-02-20 삼성전자주식회사 청소기 및 청소기의 제어방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3010148U (ja) * 1994-03-18 1995-04-25 株式会社北原製作所 トラックミラーの畳み込み駆動装置
JP2005076695A (ja) * 2003-08-29 2005-03-24 Denso Corp 機器駆動装置および空調装置
JP2005271735A (ja) * 2004-03-24 2005-10-06 Denso Corp 制御ドア駆動装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007174877A (ja) * 2005-12-19 2007-07-05 Sekai Saisoku Shisaku Center:Kk 精密リニアアクチュエータ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3010148U (ja) * 1994-03-18 1995-04-25 株式会社北原製作所 トラックミラーの畳み込み駆動装置
JP2005076695A (ja) * 2003-08-29 2005-03-24 Denso Corp 機器駆動装置および空調装置
JP2005271735A (ja) * 2004-03-24 2005-10-06 Denso Corp 制御ドア駆動装置

Also Published As

Publication number Publication date
JP6375848B2 (ja) 2018-08-22
JP2016075449A (ja) 2016-05-12

Similar Documents

Publication Publication Date Title
US10544615B2 (en) Actuator for opening and closing a vehicle door
CN107407278B (zh) 转子以及泵装置
JP6670179B2 (ja) 進退移動装置
JP7067149B2 (ja) 車両用ドア開閉装置
CN108027028B (zh) 致动器
JP5252279B2 (ja) ボールねじ機構
US20180216391A1 (en) Actuator and vehicle-door opening/closing actuator
JP6873847B2 (ja) 開閉体駆動装置
JP2877566B2 (ja) 車両の可動部材の駆動装置
JP6648474B2 (ja) 駆動装置
US10227811B2 (en) Extensible/contractible driving device and openable body opening/closing device
WO2016136168A1 (ja) 駆動装置
JP6375848B2 (ja) 駆動装置
JP6450220B2 (ja) ダンパ装置
US11719310B2 (en) Speed reduction mechanism and speed reduction mechanism-equipped motor
JP6372184B2 (ja) サンルーフ装置
CN104668946B (zh) 打螺丝机
JP5148940B2 (ja) 減速装置
JP4222240B2 (ja) 制御ドア駆動装置
JP4852113B2 (ja) リニアアクチュエータ
US11867278B1 (en) Planetary gear device
JP6697825B2 (ja) スライドドア用駆動装置
JP7048293B2 (ja) 車両のボディに対して可動な車両パーツのための調節デバイス
US20260035981A1 (en) Door opening and closing apparatus for vehicle
JP2007314057A (ja) 車載用表示部の保持筐体

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15849463

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15849463

Country of ref document: EP

Kind code of ref document: A1