WO2020213187A1 - Dispositif d'actionnement pour corps d'ouverture/fermeture - Google Patents

Dispositif d'actionnement pour corps d'ouverture/fermeture Download PDF

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Publication number
WO2020213187A1
WO2020213187A1 PCT/JP2019/033576 JP2019033576W WO2020213187A1 WO 2020213187 A1 WO2020213187 A1 WO 2020213187A1 JP 2019033576 W JP2019033576 W JP 2019033576W WO 2020213187 A1 WO2020213187 A1 WO 2020213187A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder
opening
outer cylinder
peripheral surface
drive device
Prior art date
Application number
PCT/JP2019/033576
Other languages
English (en)
Japanese (ja)
Inventor
佐々木　一幸
Original Assignee
三井金属アクト株式会社
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 三井金属アクト株式会社 filed Critical 三井金属アクト株式会社
Priority to CN201990001354.4U priority Critical patent/CN216741157U/zh
Publication of WO2020213187A1 publication Critical patent/WO2020213187A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/10—Doors arranged at the vehicle rear
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
    • E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut 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
    • 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
    • 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
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts

Definitions

  • the present invention relates to a drive device for an opening / closing body for opening / closing an opening / closing body supported on the vehicle body so as to be openable / closable.
  • the drive device for the opening / closing body described in Patent Document 1 has an outer cylinder whose upper end in the axial direction is connected to the vehicle body and a lower end in the axial direction which is connected to the back door and moves relative to the outer cylinder in the axial direction. It is equipped with an inner cylinder that can be inserted so that the motor and the spindle rotated by the motor are stored in the outer cylinder, and the nut screwed to the spindle is stored in the inner cylinder so that it cannot rotate and cannot move in the axial direction. , The nut converts the rotational movement of the spindle into a linear movement, and the inner cylinder is moved relative to the outer cylinder in the axial direction to open and close the back door.
  • the drive device for the opening / closing body described in Patent Document 1 allows the inner cylinder to move smoothly relative to the outer cylinder in the axial direction, so that the inner peripheral surface of the outer cylinder and the inner cylinder in contact with the inner peripheral surface are in contact with each other. It is necessary to set a clearance with the outer peripheral surface. Therefore, as the inner cylinder moves relative to the outer cylinder in the axial direction (hereinafter referred to as "expansion / contraction operation”), water such as rainwater and washing water infiltrates the inner space of the outer cylinder and the inner cylinder through the clearance. There is a risk. When water enters the internal space, there is a problem that the water adheres to the electrical components including the motor and the spindle arranged in the internal space, resulting in malfunction.
  • a joint provided at one end is connected to either the vehicle body or the opening / closing body, and the one end is closed.
  • the outer cylinder with the other end open and the joint provided at one end are connected to either the vehicle body or the opening / closing body, the other end is closed, the other end is opened, and the other end side is the outer cylinder.
  • a gap is provided between the inner cylinder that is inserted so as to be relatively movable in the axial direction, the inner peripheral surface of the outer cylinder, and the outer peripheral surface of the inner cylinder, and the gap between the inner peripheral surface and the outer peripheral surface is provided.
  • a motor is provided in the first cylinder, comprising a packing for sealing, with either one of the outer cylinder and the inner cylinder as the first cylinder and any other of the outer cylinder and the inner cylinder as the second cylinder.
  • a spindle that can be rotated around the axis and cannot be moved in the axial direction by the motor, and the spindle cannot be moved in the axial direction and cannot be rotated around the axis in the second cylinder, and the spindle can be rotated.
  • a nut screwed into the spindle is housed so as to be movable in the axial direction, and the second cylinder is provided with an opening for communicating the internal space formed by the first cylinder and the second cylinder with the outside, and a gas. It is characterized in that the opening is closed by a filter that allows water to pass through but does not allow water to pass through.
  • the filter is made of a porous material.
  • the packing has a trapezoidal cross-sectional shape.
  • the present invention by providing packing in the gap between the outer peripheral surface of the inner cylinder and the inner peripheral surface of the outer cylinder, it is possible to prevent water from entering the internal space of the drive device. Furthermore, by providing an opening in either the inner cylinder or the outer cylinder and closing the opening with a filter that allows gas to pass through but does not allow water to pass through, the volume of the internal space changes while preventing water from entering the internal space. The expansion and contraction operation can be smoothly performed without receiving the resistance due to the compression and expansion of the air.
  • FIG. 1 is a side view of the rear part of the vehicle including the drive device for the opening / closing body according to the present invention.
  • FIG. 2 is a front view of the drive device in an extended state.
  • FIG. 3 is a vertical sectional view taken along line III-III in FIG.
  • FIG. 4 is a vertical cross-sectional view of the drive device in a contracted state.
  • FIG. 5 is an enlarged view of the V portion in FIG.
  • FIG. 6 is an enlarged view of the VI portion in FIG.
  • FIG. 7 is an enlarged view of part VII in FIG.
  • FIG. 1 shows a side view of the rear part of the vehicle including the drive device 1 for the opening / closing body according to the present invention.
  • a back door 3 which is an opening / closing body is supported on the vehicle body 2 at the rear of the vehicle by a pair of left and right door hinges (not shown) so as to be vertically openable and closable around an axis facing the left and right directions.
  • the back door 3 is formed by engaging a door latch device (not shown) provided in the center of the lower portion with a striker (not shown) provided on the vehicle body 2, as shown by a two-dot chain line in FIG. It is held in a fully closed position that closes the rear opening, and when the door latch device and the striker are disengaged, the lower end is flipped up to open the rear opening, as shown by the solid line in FIG. Move to.
  • FIG. 2 is a front view of the drive device 1 in an extended state (a state corresponding to the fully open position of the back door 3)
  • FIG. 3 is a vertical sectional view taken along line III-III in FIG. 2, and
  • FIG. It is a vertical cross-sectional view of the state in which the drive device 1 is contracted (the state corresponding to the fully closed position of the back door 3).
  • the drive device 1 has a cylindrical inner cylinder 4 whose upper end is connected to the vehicle body 2 and a lower end connected to the back door 3, and the lower portion of the inner cylinder 4 is inserted so as to be relatively movable in the axial direction (expansion / contraction direction).
  • the outer cylinder 5 is provided with a cylindrical outer cylinder 5 to be formed, and the rotational movement of a power source such as a motor housed in the inner cylinder 4 is converted into a linear motion so that the outer cylinder 5 is in the axial direction (inner) with respect to the inner cylinder 4.
  • It is a device that opens and closes the opening / closing body 3 by expanding / contracting in the longitudinal direction of the cylinder 4 and the outer cylinder 5.
  • the orientation of the drive device 1 used in the present description is based on a state in which the drive device 1 faces in the vertical direction with the back door 3 closed.
  • the outer cylinder 5 has a cylindrical shape in which the lower end is closed in a sealed state and the upper end is open, and the door joint 51 formed of the ball socket joint provided at the lower end is around the rotation axis in which the door 3 faces the left-right direction. It is rotatably connected to.
  • the outer cylinder 5 is provided with an opening 53 that communicates the inner space S formed by the inner cylinder 4 and the outer cylinder 5 with the outside.
  • the opening 53 is provided at a position that is not closed by the inner cylinder 4 regardless of whether the drive device 1 is in the extended state or the contracted state.
  • the opening 53 is provided below the lower end 4a of the inner cylinder 4 in the state where the driving device 1 is in the contracted state.
  • the opening 53 is closed by a filter 14 made of a material that allows gas to pass through but does not allow water to pass through.
  • the filter 14 is made of a porous material.
  • a cylindrical spring guide 6 facing in the vertical direction and a nut 7 fixed to the upper part of the spring guide 6 are housed.
  • the upper end of the spring guide 6 is open, and the lower end is fixed to the lower end of the outer cylinder 5 so as not to move around the axis and in the axial direction. Therefore, the spring guide 6 is integrated with the outer cylinder 5 in the axial direction with respect to the inner cylinder 4. Move relative to.
  • the upper outer peripheral surface of the spring guide 6 is provided with a tapered portion 61 having a shape in which the outer diameter gradually decreases upward. The tapered portion 61 is for allowing the compression coil spring 13 to expand and contract smoothly without the tip of the spring guide 6 being caught inside the coil of the compression coil spring 13 when the compression coil spring 13 described later expands and contracts. Is.
  • the nut 7 has a female screw hole 71 (see FIG. 6) penetrating in the axial direction.
  • the female screw hole 71 is for screwing the spindle 12 described later.
  • the nut 7 is fixed to the upper inner peripheral surface of the spring guide 6 in a state where it cannot move around the axis and in the axial direction. As a result, the nut 7 is fixed to the outer cylinder 5 via the spring guide 6 so as not to move around the axis and in the axis direction.
  • annular groove 52 is provided on the upper inner peripheral surface of the outer cylinder 5.
  • the annular groove 52 is formed between the inner peripheral surface of the end cover 8 and the upper end of the outer cylinder 5 by fitting the cylindrical end cover 8 on the upper outer peripheral surface of the outer cylinder 5 without a gap. The cover.
  • An annular packing 9 formed of rubber or the like is fitted in the annular groove 52.
  • the packing 9 is brought into close contact with the inner peripheral surface of the annular groove 52 and the outer peripheral surface of the inner cylinder 4, so that the gap G between the outer peripheral surface of the inner cylinder 4 and the inner peripheral surface of the outer cylinder 5 is G (see FIG. 7). Is completely closed.
  • water is prevented from entering the internal space S formed by the inner cylinder 4 and the outer cylinder 5 in the drive device 1, and the motor 10, the reduction mechanism 11 and the spindle 12 which will be described later are arranged in the internal space S. Prevents water from adhering to the surface.
  • the packing 9 has a trapezoidal shape in which the outer peripheral side is the long side and the inner peripheral side is the short side in the cross-sectional shape.
  • the vertical opening width of the annular groove 52 is set to be larger than the long side of the packing 9.
  • the inner cylinder 4 has a cylindrical shape in which the upper end is closed and the lower end is open, and the vehicle body joint 41 formed of the ball socket joint provided at the upper end is rotatable around the rotation axis facing the vehicle body 2 in the left-right direction. It is connected to the outer cylinder 5 and is inserted into the outer cylinder 5 so as to be relatively movable in the axial direction.
  • the inner cylinder 4 houses a motor 10 which is a power source, a deceleration mechanism 11 for decelerating the rotation of the motor 10, and a spindle 12 connected to the deceleration mechanism 11.
  • a wire outlet 42 for leading the wire 101 electrically connected to the motor 10 to the outside is provided.
  • the motor 10 is held in the upper part of the inner cylinder 4 without rattling.
  • the electric wire 101 electrically connected to the motor 10 is led out from the electric wire outlet 42 to the outside.
  • the reduction mechanism 11 is lower than the motor 10 and is composed of planetary gears that reduce the rotation of the motor 10, and outputs the reduced rotation from the output shaft 111.
  • the upper end of the spindle 12 in the axial direction is connected to the output shaft 111 of the speed reduction mechanism 11, and the spindle 12 is rotatably pivotally supported by a bearing 15 supported in the inner cylinder 4, so that the spindle 12 is rotatably supported with respect to the inner cylinder 4. It is housed in the inner cylinder 4 so as to be rotatable around the axis and immovable in the axis direction.
  • the bearing 15 is supported in the inner cylinder 4 by a spring plate 16 which is fixed in the inner cylinder 4 so as not to rotate.
  • the connection of the output shaft 111 to the spindle 12 is such that the upper end of the spindle 12 is directly connected to the output shaft 111 or is connected via a clutch and / or brake mechanism.
  • the lower part of the spindle 12 is movably inserted into the spring guide 6 fixed in the outer cylinder 5 in the axial direction, and is screwed into the female screw hole 71 of the nut 7 fixed in the spring guide 6.
  • the nut 7 converts the rotational motion of the spindle 12 into a linear motion and linearly moves in the axial direction together with the spring guide 6.
  • the outer cylinder 5 moves relative to the inner cylinder 4 in the axial direction integrally with the nut 7.
  • a compression coil spring 13 that applies an urging force to the extension side in the axial direction with respect to the inner cylinder 4 and the outer cylinder 5 is housed between the inner cylinder 4 and the outer cylinder 5.
  • the upper end of the compression coil spring 13 is in contact with the spring plate 16 fixed to the inner cylinder 4, the lower end is in contact with the lower end in the outer cylinder 5, and the lower half is the outer peripheral surface of the spring guide 6 and the inner circumference of the outer cylinder 5.
  • the drive device 1 is in the contracted state shown in FIG. 4 when the back door 3 is in the fully closed position, and is in the expanded state shown in FIGS. 2 and 3 when the back door 3 is in the fully open position.
  • the contracted state of the drive device 1 shown in FIG. 4 when the spindle 12 rotates in a predetermined direction by the driving force of the motor 10 and the nut 7 moves to the extension side (downward in FIG. 4) in the axial direction, the outer cylinder 5 Moves to the extension side together with the spring guide 6 and the nut 7.
  • the drive device 1 is in the extended state, and the back door 3 is moved from the fully closed position to the opening direction.
  • the gap G between the outer peripheral surface of the inner cylinder 4 and the inner peripheral surface of the outer cylinder 5 is sealed by the packing 9, water is prevented from entering the internal space S.
  • the volume of the internal space S is reduced as the contraction operation is performed, so that the air in the internal space S is discharged to the outside through the filter 14.
  • the outer cylinder 5 is not subjected to resistance due to the compression of air in the inner space S. Can be smoothly moved to the contraction side.
  • the inner cylinder 4 is connected to the back door 3, and the outer cylinder 5 is connected to the vehicle body 2.
  • the opening / closing body is, for example, a trunk lid or a side door other than the back door.
  • 1 drive unit 2 car body, 3 back door (opening and closing body), 4 inner cylinder, 4a lower end, 41 car body joint, 42 electric wire outlet, 5 outer cylinder, 51 door joint, 52 annular groove, 53 opening, 6 spring Guide, 61 taper, 7 nut, 71 female screw hole, 8 end cover, 9 packing, 10 motor, 101 wire, 11 reduction mechanism, 111 output shaft, 12 spindle, 13 compression coil spring, 14 filter, 15 bearing, 16 spring plate , G gap, R air flow passage, S internal space

Abstract

Dispositif d'entraînement pour un corps d'ouverture/fermeture, comprenant un cylindre externe (5) qui est relié à une extrémité à une carrosserie de véhicule, un cylindre interne (4) qui est relié à une extrémité au corps d'ouverture/fermeture et qui est inséré dans le cylindre externe (5) de façon à être relativement mobile dans la direction axiale par rapport au cylindre externe (5), et une garniture (9) disposée entre la surface périphérique interne du cylindre externe (5) et la surface périphérique externe du cylindre interne (4) pour sceller l'espace entre la surface périphérique interne et la surface périphérique externe afin d'empêcher l'eau de pénétrer dans l'espace interne du dispositif d'entraînement. Un moteur (10) et une broche (12) pouvant tourner autour d'un axe au moyen du moteur (10) sont logés dans le cylindre interne (4), un écrou (7) vissé sur la broche (12) est logé dans le cylindre externe (5), une ouverture (53) est disposée dans le cylindre externe (5) pour relier un espace interne S formé par le cylindre interne (4) et le cylindre externe (5) avec l'extérieur, et l'ouverture (53) est fermée par un filtre (14) qui permet le passage de gaz et empêche celle de l'eau à son travers.
PCT/JP2019/033576 2019-04-17 2019-08-27 Dispositif d'actionnement pour corps d'ouverture/fermeture WO2020213187A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201990001354.4U CN216741157U (zh) 2019-04-17 2019-08-27 开闭件的驱动装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019078495A JP7024154B2 (ja) 2019-04-17 2019-04-17 開閉体の駆動装置
JP2019-078495 2019-04-17

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Publication Number Publication Date
WO2020213187A1 true WO2020213187A1 (fr) 2020-10-22

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PCT/JP2019/033576 WO2020213187A1 (fr) 2019-04-17 2019-08-27 Dispositif d'actionnement pour corps d'ouverture/fermeture

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JP (1) JP7024154B2 (fr)
CN (1) CN216741157U (fr)
WO (1) WO2020213187A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7374260B1 (ja) 2022-05-13 2023-11-06 チャン，ヤ－チン 駆動装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016098892A (ja) * 2014-11-20 2016-05-30 株式会社ハイレックスコーポレーション 伸縮駆動装置及び開閉機構
JP2017032071A (ja) * 2015-07-31 2017-02-09 株式会社ミツバ アクチュエータおよび車両ドア開閉用アクチュエータ
CN107558857A (zh) * 2017-10-16 2018-01-09 东莞市天纳科汽车自动化有限公司 一种汽车尾门推杆控制器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016098892A (ja) * 2014-11-20 2016-05-30 株式会社ハイレックスコーポレーション 伸縮駆動装置及び開閉機構
JP2017032071A (ja) * 2015-07-31 2017-02-09 株式会社ミツバ アクチュエータおよび車両ドア開閉用アクチュエータ
CN107558857A (zh) * 2017-10-16 2018-01-09 东莞市天纳科汽车自动化有限公司 一种汽车尾门推杆控制器

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JP7024154B2 (ja) 2022-02-24
CN216741157U (zh) 2022-06-14
JP2020176423A (ja) 2020-10-29

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