CN109944512B - Door opening device with opening maintaining and power-assisted closing functions - Google Patents
Door opening device with opening maintaining and power-assisted closing functions Download PDFInfo
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- CN109944512B CN109944512B CN201711388818.5A CN201711388818A CN109944512B CN 109944512 B CN109944512 B CN 109944512B CN 201711388818 A CN201711388818 A CN 201711388818A CN 109944512 B CN109944512 B CN 109944512B
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Abstract
A vehicle door deployment device includes an actuator striker provided on one of a vehicle body surface and a vehicle door, and an actuator provided on the other of the vehicle body surface and the vehicle door and engaged with the actuator striker. The actuator is configured to move the door between the fully closed position and the semi-open position by interaction of the actuator striker with the actuator. The actuator includes a retaining portion for retaining striker engagement with the actuator. The holding portion holds the door at the half-open position to prevent the door from moving toward the fully-open position.
Description
Technical Field
The subject matter disclosed herein relates to vehicle doors, and more particularly to vehicle door opening devices.
Background
Conventional vehicle doors include handles that allow users to physically interact with each other to hold and open the vehicle door. In recent years, some vehicle doors do not include an outer handle and opening of the door is facilitated by an electromagnetic actuation device that is triggered with a user key fob or the like. The actuating means may slightly open the door to allow a user to grasp the door for manual completion of the door opening process. In some cases, the door may open abruptly with a considerable force. Such as a high wind condition or a sudden stop of the car may result in a sudden opening. A quick and unexpected door opening can potentially and undesirably impact a user or surrounding objects.
Disclosure of Invention
In one embodiment, a vehicle door deployment device includes an actuator striker on one of a vehicle body surface and a vehicle door and an actuator on the other of the vehicle body surface and the vehicle door engageable with the actuator striker. The actuator is configured to move the door between the fully closed position and the semi-open position by interaction between the actuator and the actuator striker. The actuator includes a retaining portion for retaining striker engagement with the actuator. The holding portion holds the door in the half-open position to prevent the door from moving toward the fully-open position.
Additionally or alternatively, in this or other embodiments the actuator includes an actuator drive mechanism and a cam operably connected to the actuator drive mechanism, the cam having a cam slot that can receive the actuator striker at an entrance to the cam slot.
Additionally or alternatively, in this or other embodiments the cam slot includes a curvilinear portion having an outer slot wall and an inner slot wall defining a cam slot width designed to force the vehicle door from the fully closed position to the semi-open position in conjunction with rotation of the cam about the cam axis in a first direction.
Additionally or alternatively, in this or other embodiments, the interaction of the actuator striker pin with the inner slot wall forces the door to move from the fully closed position to the semi-open position in conjunction with rotation of the cam about the cam axis.
Additionally or alternatively, in this or other embodiments the curvilinear portion is configured to force the door from the secondary latch engaged position toward the fully closed position in response to rotation of the cam about the cam axis in the second direction.
Additionally or alternatively, in this or other embodiments, the interaction of the outer slot wall with the actuator striker forces the vehicle door from the secondary latch engaged position toward the fully closed position.
Additionally or alternatively, in this or other embodiments the retaining portion is located on one end of the curved portion.
Additionally or alternatively, a secondary sensor is included in this or other embodiments to disengage the actuator striker from the semi-open position when triggered, allowing the vehicle door to move from the semi-open position to the fully open position.
Additionally or alternatively, in this or other embodiments, the secondary sensor may be used as a pinch proof sensor when the actuator is rotated in the opposite direction to close the door from the secondary latch engaged position to the fully closed position.
Additionally or alternatively, the actuator is integral with the door latch in this or other embodiments.
Additionally or alternatively, the actuator striker pin is retractable in this or other embodiments.
In another embodiment, a vehicle door assembly includes a vehicle door, an electronic lock assembly operatively connected to the vehicle door, and a door deployment device located at the vehicle door. The door deployment device includes an actuator striker on one of the body surface and the door and an actuator on the other of the body surface and the door engageable with the actuator striker. The actuator is configured to move the door between the fully closed position and the semi-open position by interaction between the actuator and the actuator striker. The actuator includes a retaining portion for retaining engagement with the actuator striker. The holding portion holds the door in the half-open position to prevent the door from moving toward the fully-open position.
Additionally or alternatively, in this or other embodiments the actuator includes an actuator drive mechanism and a cam operatively connected to the actuator drive mechanism, the cam having a cam slot that can receive the actuator striker at an entrance to the cam slot.
Additionally or alternatively, in this or other embodiments the cam slot includes a curvilinear portion having an outer slot wall and an inner slot wall defining a cam slot width designed to force the vehicle door from the fully closed position to the semi-open position in conjunction with rotation of the cam about the cam axis in a first direction.
Additionally or alternatively, in this or other embodiments, the interaction of the actuator striker pin with the inner slot wall forces the door to move from the fully closed position to the semi-open position in conjunction with rotation of the cam about the cam axis.
Additionally or alternatively, in this or other embodiments the curvilinear portion is designed to force the door from the semi-open position to the fully-closed position in conjunction with rotation of the cam about the cam axis in the second direction.
Additionally or alternatively, in this or other embodiments, the interaction of the outer slot wall with the actuator striker pin forces the vehicle door from the semi-open position toward the fully closed position.
Additionally or alternatively, in this or other embodiments the retaining portion is located on one end of the curved portion.
Additionally or alternatively, a secondary sensor is included in this or other embodiments to disengage the actuator striker from the semi-open position when actuated, allowing the vehicle door to move from the semi-open position to the fully open position.
Additionally or alternatively, in this or other embodiments, the actuator is integral with the electronic lock assembly.
Drawings
The following description should not be considered in any limiting sense. Referring to the drawings wherein like parts bear like reference numerals:
FIG. 1 is a view of one embodiment of a vehicle door assembly;
FIG. 2 is a view of one embodiment of a latch and deployment device for a door assembly;
FIG. 3 is a view of one embodiment of a striker assembly;
FIG. 4 is a perspective view of one embodiment of an actuator of the door deployment device;
FIG. 5 is a partial view of one embodiment of an actuator for a door deployment device;
FIG. 6 is another partial view of an embodiment of an actuator for a door deployment device;
FIG. 7 is a plan view of one embodiment of a cam for an actuator of the door opener;
FIGS. 8a-8d illustrate a door opening operation of one embodiment of a door deployment device;
FIG. 9 illustrates a door closing operation of one embodiment of a door deployment device;
FIGS. 10a-10e illustrate another door closing operation of an embodiment of a door deployment device.
Detailed Description
A detailed description of one or more embodiments of the apparatus and methods are presented herein by way of example and not limitation with reference to the accompanying figures.
Referring now to FIG. 1, reference numeral 10 generally designates a door assembly. The door assembly 10 may be installed as a driver side door, a passenger side door, or a rear passenger door. Additionally, although reference is made herein to a vehicle door 11 included in the assembly 10, the door assembly 10 may be installed as a vehicle tailgate assembly, such as a liftgate, a trunk, or a tailgate. The latch assembly 12 is operatively coupled to the vehicle door 11 to hold the door (or lift door, trunk, tailgate, etc.) in a closed position and release the vehicle door to allow a user to move the vehicle door 11 to an open position. The vehicle lock assembly 12 is, in some embodiments, an electromechanical latch assembly, thereby providing an opening assist to a user.
In the embodiments described herein, the vehicle door 11 does not include a door handle on an exterior surface of the vehicle door 11. Because the door handle is not included, the door may be more aesthetically pleasing and/or provide additional security against unauthorized access to the vehicle. A keyless entry mechanism or device is used to initiate the door opening sequence. For example, a key fob, a mobile device application, a keyboard, or similar keyless entry mechanism may be used to actuate the door open. And in particular the lock assembly 12, is actuated to allow the door to be opened.
The door opener 14 cooperates with the lock assembly 12 and is operatively connected to the vehicle door 11. In the illustrated embodiment, the door spreading device 14 is disposed below the lock assembly 12, but it should be appreciated that the door spreading device 14 may be located adjacent to or spaced from the lock assembly 12 in an alternative adjacent configuration. In still other embodiments, the vehicle lock assembly 12 and the door opener 14 may be disposed in a common housing.
As used herein, the closed position of the vehicle door 11 refers to the fully closed position of the vehicle door 11, and therefore, the door is not half-opened from the vehicle body. The ajar position of the door 11 refers to a ajar position of the door relative to the vehicle body, the door being spaced from the vehicle body to an extent sufficient to allow a user to insert a finger between the trim panel of the door 11 and the vehicle body, thereby allowing the door 11 to move from the ajar position to a fully open position of the door. The fully open position refers to a position that allows a user to get on the vehicle. In some embodiments, the ajar position is defined by a gap of less than about 50 millimeters between the vehicle door 11 and the vehicle body surface 16. In some embodiments, the ajar position is defined by a gap between the vehicle door 11 and the vehicle body surface 16 of between about 10 millimeters and about 40 millimeters.
Referring to FIG. 2, the vehicle lock assembly 12 includes a latch 20 disposed on the vehicle door 11 and a striker 22 disposed on a stationary vehicle structure 24, such as a B-pillar or C-pillar of a vehicle. The latch 20 and the striker 22 are engaged with each other to hold the vehicle door 11 at the fully closed position. Similarly, the door deployment device 14 includes an actuator 26 disposed on the vehicle door 11 and an actuator striker 28 disposed on the fixed vehicle structure 24. Further, in some embodiments, the actuator striker 28 may be disposed on the vehicle door 11 while the door deployment device 14 is disposed on the fixed vehicle structure 24.
In some embodiments, such as that shown in fig. 3, the actuator striker 28 and the striker 22 are connected to a common striker plate 30 to improve assembly fit and tolerance and further reduce cost. In other embodiments the striker 22 and actuator striker 28 may be connected to a separate striker plate 30. Further, in some embodiments, the actuator striker pin 28 is retractable for movement into and out of the fixed vehicle structure 24, either manually or electromechanically with a motor or the like.
Referring now to FIG. 4, one embodiment of the actuator 26 is shown. The actuator 26 includes an actuator housing 32, an actuator cover 34, and an actuator top cover 36 that are fixedly attached to one another to form the actuator 26. The actuator cap 36 and actuator cover 34 include cap openings 38 and cover openings 40, respectively, to receive the actuator striker pin 28. Referring now to fig. 5 and 6, partial views of the actuator 26 are shown. In particular, FIG. 5 shows the actuator housing 32 and its internal components, including the drive mechanism 54 for the actuator 26. A motor 42 is disposed within the actuator housing 32 to drive operation of the actuator 26. In particular, the motor 42 drives the rotation of a worm 44 which meshes with and drives a gear train 46. In the illustrated embodiment, the gear train includes a first gear 48 in mesh with the worm 44, which co-rotates with a first pinion gear 50. The first pinion gear 50 drives the second gear 52 for rotation. It should be appreciated that the drive mechanism 54 shown in FIG. 5 and described herein is merely exemplary and that other drive mechanism 54 configurations are contemplated within the scope of the present invention.
Referring now to FIG. 6, the actuator 26 is shown with the actuator cap 36 removed. A cam 56 is located in the actuator cover 34 and is connected to the second gear 52 such that rotation of the second gear 52 drives the cam 56 to rotate about a cam axis 58. The cam 56 includes a cam slot 60 that cooperates with the actuator striker 28 to move the door 11 from the fully closed position to the semi-open position and from the semi-open position to the fully closed position in conjunction with rotation of the cam 56 about the cam axis 58, as will be described in further detail below.
Referring now to FIG. 7, a plan view of the actuator 26 is shown with the actuator top cover 36 removed for clarity. The cam slot 60 includes a slot entrance 62 on the outer periphery 72 of the cam 56 that is aligned with the top cover opening 38 and the cover opening 40. From slot entrance 62, cam slot 60 extends radially inward toward cam axis 58 and then proceeds along a curvilinear portion 64 that includes a slot inner wall 66 and a slot outer wall 68, where slot inner wall 66 is closer to cam axis 58 than slot outer wall 68. The curved portion 64 extends toward a slot exit 70 on an outer periphery 72 of the cam 56. Cam slot 60 is formed and designed such that actuator striker pin 28 fits between slot inner wall 66 and slot outer wall 68. In addition, the reset switch 74 is interengaged with a switch cam 76 which is coaxial with and rotates with the cam 56. The cam 56 and the actuator striker 28 are shown in FIG. 7 when the door 11 is in the fully closed position with the actuator striker 28 in the reset position 78, which in some embodiments is the intersection of the curved portion 64 and the slot entrance 62.
Referring now to fig. 8a-8d, a door opening sequence or door deployment sequence will be described. In fig. 8a, upon receipt of the door deployment signal, the cam 56 is rotated in a clockwise direction 80 about the cam axis 58 by the drive mechanism 54. As the cam 56 rotates, the actuator striker pin 28 enters the curved portion 64 and abuts the slot inner wall 66. As the cam 56 continues to rotate in the clockwise direction 80 as in fig. 8b, the vehicle door 11 including the actuator 26 is forced to move to the ajar position, which is to the left in the figure. In fig. 8c, the striker pin 28 is moved to a rest position 82 adjacent the slot exit 70. In the rest position 82, the actuator striker 28 is still engaged in the cam slot 60, preventing the door 11 from moving from the semi-open position to the fully open position, for example, due to wind or the vehicle being parked on a slope.
When the door 11 is in the ajar position, a user may grasp or touch the door rim 84 (as shown in FIG. 1) and operate the secondary sensor or switch 86, which will now force the cam 56 into the door release position shown in FIG. 8d, at which time the actuator striker pin 28 travels through the slot exit 70 to a free position outside the cam 56. This allows the door 11 to move freely relative to the striker pin 28.
Referring now to fig. 9, slot entry 62 is aligned with actuator striker pin 28 when cam 56 is moved to the door release position. This allows the actuator striker 28 to move straight through the slot entrance 62 to the reset position 78 if the user closes the door quickly enough.
But if the closing of the door 11 does not proceed fast enough, motorized closing is employed by the actuator 26. Motorized shutoff will be described with reference to fig. 10a-10 e. Referring to FIG. 10a, when the door 11 is not closed quickly enough, the actuator striker 28 moves to a secondary position 88 along the cam slot 60 between the slot entrance 62 and the reset position 78 and the door 11 is in a semi-open position. Motorized closing begins with rotation of the cam 56 about the cam axis 58 in the counterclockwise direction 90. When the cam 56 is rotated as shown in fig. 10b, the actuator striker 28 moves into the secondary cam slot 92 toward the guide tab 94, which separates the secondary cam slot 92 from the curvilinear portion 64. Guide tab 94 is pivotally secured to cam 56 such that when actuator striker 28 is forced onto guide tab 94, guide tab 94 pivots about guide pivot 96 and allows actuator striker 28 to move from secondary cam slot 92 into curvilinear portion 64, as shown in fig. 10 c. As the cam 56 continues to rotate about the cam axis 58, the actuator striker 28 advances along the slot outer wall 68 of the curved portion 64, pulling the door 11 from the semi-open position toward the fully closed position, as shown in FIG. 10 d. In FIG. 10e, the cam 56 is moved to the reset position, where the actuator striker 28 is in the reset position 78 and thus the door 11 is in the fully closed position.
The door deployment device 14 described herein provides for operation when the vehicle door 11 is held in a ajar position to prevent inadvertent and/or uncontrolled movement of the vehicle door 11 to a fully open position, for example, due to a wind gust or due to the vehicle stopping on a slope or an uneven surface.
The term "about" is intended to encompass a degree of error associated with a particular measurement based on equipment available at the time of filing the application.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
While the invention has been described with reference to one or more embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings herein without departing from the essential scope thereof. Therefore, it is intended that the disclosure not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this disclosure, but that the disclosure will include all embodiments falling within the scope of the appended claims.
Claims (14)
1. A vehicle door deployment device comprising:
an actuator striker provided on one of a vehicle body surface and a vehicle door; and
an actuator provided on the other of the vehicle body surface and the vehicle door and engaged with the actuator striker, the actuator being designed to move the vehicle door between the fully closed position and the half-open position by cooperation of the actuator striker with the actuator, the actuator including a holding portion for holding the vehicle door in the half-open position to prevent the vehicle door from moving toward the fully open position;
wherein, this actuator includes:
an actuator drive mechanism;
a cam operably connected to the actuator drive mechanism, the cam having a cam slot capable of receiving the actuator striker at a cam slot entrance;
wherein the cam slot includes a curvilinear portion having an outer slot wall and an inner slot wall defining a width of the cam slot and configured to force the vehicle door from the fully closed position to the semi-open position in response to rotation of the cam about the cam axis in a first direction;
wherein the curved portion extends towards a slot exit on the outer periphery of the cam and the actuator striker is able to advance through the slot exit to a free position outside the cam;
wherein the curved portion is designed to force the door from the semi-open position toward the fully-closed position in conjunction with rotation of the cam about the cam axis in the second direction under the drive of the actuator drive mechanism.
2. The door deployment device of claim 1, wherein the interaction of the actuator striker pin with the inner slot wall forces the door from the fully closed position to the semi-open position in response to rotation of the cam about the cam axis.
3. The door deployment device of claim 1, wherein the interaction of the outer slot wall and the actuator striker forces the door from a semi-open position to a fully closed position.
4. The door deployment device according to claim 1, wherein the retaining portion is provided on one end of the curved portion.
5. The vehicle door deployment device of claim 1, further comprising a secondary sensor to disengage the actuator striker from the ajar position when triggered, allowing the door to move from the ajar position to the fully open position.
6. The door deployment device of claim 5, wherein the secondary sensor is operable as a pinch-proof sensor when the actuator is rotated in a reverse manner to close the door from the semi-open position to the fully-closed position.
7. The vehicle door deployment device of claim 1, wherein the actuator is integral with the door latch.
8. The vehicle door deployment device of claim 1, wherein the actuator striker is retractable.
9. A vehicle door assembly comprising:
a vehicle door;
an electronic lock assembly operatively engaged to the vehicle door;
a door deployment device provided at a door of a vehicle, comprising:
an actuator striker provided on one of a vehicle body surface and a vehicle door;
an actuator provided on the other of the vehicle body surface and the vehicle door and engageable with the actuator striker, the actuator being designed to move the vehicle door between the fully closed position and the half-open position by mutual engagement of the actuator striker and the actuator, the actuator including a retaining portion for retaining engagement with the actuator striker, the retaining portion retaining the vehicle door in the half-open position to prevent the vehicle door from moving toward the fully open position;
wherein, this actuator includes:
an actuator drive mechanism; and
a cam operably connected to the actuator drive mechanism and having a cam slot capable of receiving the actuator striker at a cam slot entrance;
wherein the cam slot includes a curvilinear portion having an outer slot wall and an inner slot wall defining a cam slot width and being configured to force the door from the fully closed position to the semi-open position in response to rotation of the cam about the cam axis in a first direction;
wherein the curved portion extends towards a slot exit on the outer periphery of the cam and the actuator striker is able to advance through the slot exit to a free position outside the cam;
wherein the curved portion is designed to force the door from the semi-open position toward the fully-closed position in conjunction with rotation of the cam about the cam axis in the second direction under the drive of the actuator drive mechanism.
10. The door assembly of claim 9, wherein the interaction of the actuator striker pin with the inner slot wall forces the door from the fully closed position to the semi-open position in response to rotation of the cam about the cam axis.
11. The door assembly of claim 9, wherein the interaction of the outer slot wall and the actuator striker forces the door from the semi-open position toward the fully closed position.
12. The door assembly of claim 9, wherein the retention portion is disposed at one end of the curvilinear portion.
13. The door assembly of claim 9, further comprising a secondary sensor to disengage the actuator striker from the ajar position when triggered to allow the door to move from the ajar position to the fully open position.
14. The door assembly of claim 9, wherein the actuator is integral with the electronic lock assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388818.5A CN109944512B (en) | 2017-12-20 | 2017-12-20 | Door opening device with opening maintaining and power-assisted closing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388818.5A CN109944512B (en) | 2017-12-20 | 2017-12-20 | Door opening device with opening maintaining and power-assisted closing functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109944512A CN109944512A (en) | 2019-06-28 |
| CN109944512B true CN109944512B (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711388818.5A Active CN109944512B (en) | 2017-12-20 | 2017-12-20 | Door opening device with opening maintaining and power-assisted closing functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109944512B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11135904B2 (en) | 2017-12-20 | 2021-10-05 | Inteva Products, Llc | Door presenter with hold open and power cinching function |
| FR3110623B1 (en) * | 2020-05-25 | 2022-04-15 | Vitesco Technologies | Emergency access device for vehicle opening with rotating deployment arm |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19809415A1 (en) * | 1998-03-05 | 1999-09-09 | Volkswagen Ag | Safety release catch with servo drive for engine cover |
| JP4300858B2 (en) * | 2003-04-22 | 2009-07-22 | アイシン精機株式会社 | Vehicle door control device |
| JP4239785B2 (en) * | 2003-10-21 | 2009-03-18 | 三菱自動車工業株式会社 | Vehicle door member opener device |
| US8935053B2 (en) * | 2011-09-27 | 2015-01-13 | Tesla Motors, Inc. | Power release hood latch method and system |
| US10329823B2 (en) * | 2016-08-24 | 2019-06-25 | Ford Global Technologies, Llc | Anti-pinch control system for powered vehicle doors |
| CN208040095U (en) * | 2017-12-20 | 2018-11-02 | 恩坦华产品有限责任公司 | Car door expanding unit and car door assembly |
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2017
- 2017-12-20 CN CN201711388818.5A patent/CN109944512B/en active Active
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| Publication number | Publication date |
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| CN109944512A (en) | 2019-06-28 |
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