Disclosure of Invention
In view of the above, an object of the present invention is to provide an opening and closing device for a charging port door of an automobile, which can open and close the charging port door of the automobile manually or electrically. Another object of the present invention is to provide an automobile having the opening/closing device for a charging port door.
In order to achieve the purpose, the invention provides the following technical scheme:
an opening and closing device of a charging port door of an automobile for opening and closing the charging port door, comprising:
the charging port door is rotatably arranged on the support piece;
the transmission gear assembly can drive the charging port door to rotate, a driving wheel of the transmission gear assembly is a gear with a toothed section and a non-toothed section which are arranged at intervals, and the angle corresponding to the toothed section is smaller than the rotation angle for opening and closing the charging port door;
the first end of the torsion spring is hinged with the supporting piece, the second end of the torsion spring synchronously rotates along with the charging port door, and in the rotating process of the charging port door, the distance between the first end and the second end of the torsion spring is firstly reduced and then increased;
and the driving motor drives the driving wheel to rotate.
Preferably, in the above opening and closing device, the support member is provided with a rotatable shaft, and the charging port door is fixed to the shaft.
Preferably, among the above-mentioned switching device, still include one end fixed mounting in epaxial pivot arm of commentaries on classics, the second end of torsional spring articulates the pivot arm is kept away from the one end of pivot, the torsional spring is in when charging the mouthful door and being in half-open state first end with the distance of second end is minimum to be in the biggest state of elasticity.
Preferably, in the above opening and closing device, the transmission gear assembly includes: the driven wheel is fixedly sleeved on the rotating shaft;
the toothed section of the driving wheel is meshed with the driven wheel.
Preferably, the opening/closing device further includes:
an open position positioning device for positioning the charging port door at a fully open position;
and the driving motor stops working when the charging port door is positioned in the opening position positioning device and the closing position positioning device.
Preferably, in the above opening/closing device, the open position positioning device is an open position magnetic switch;
the closed position positioning device is a closed position magnetic switch;
the charging port door triggers the opening position magnetic switch when being at the full opening position, and the charging port door triggers the closing position magnetic switch when being at the closing position.
Preferably, the opening/closing device further includes: the synchronous gear arm is rotatably arranged on an end shaft of the driving wheel and is in meshed transmission connection with the driven wheel;
and the synchronous gear arm is provided with a magnet which can trigger the magnetic switch at the opening position and the magnetic switch at the closing position.
Preferably, the opening and closing device further comprises a controller, when the charging port door rotates to a fully open position, the magnet triggers the opening position magnetic switch and transmits a signal to the controller, and the controller controls the driving motor to stop working;
when the charging port door rotates to the closing position, the magnet triggers the closing position magnetic switch and transmits a signal to the controller, and the controller controls the driving motor to stop working.
Preferably, in the above opening and closing device, the toothed section and the non-toothed section of the driving wheel are both three sections and are arranged alternately.
An automobile comprising an opening/closing device for a charging port door of an automobile, wherein the opening/closing device for a charging port door of an automobile is any one of the opening/closing devices for a charging port door of an automobile described above.
According to the technical scheme, when the toothed section of the driving wheel is meshed with the driven wheel, the charging port door is driven to rotate under the action of the driving motor, when the toothed section of the driving wheel is opposite to the driven wheel, the charging port door is nearly completely opened, in the process, the second end of the torsion spring rotates synchronously with the charging port door, so that the distance between the first end and the second end of the torsion spring is reduced and then increased, namely the torsion spring firstly blocks and then assists, and the complete opening of the charging port door is realized under the driving force of the torsion spring.
When closing the mouthful door that charges, driving motor drives action wheel antiport, when rotating to the toothless section with from the driving wheel when relative, the mouthful door that charges is close the closed position, this in-process torsional spring hinders earlier then carries out the helping hand, realizes the complete closure of mouthful door that charges under the driving force of torsional spring.
When the toothless section is opposite to the driven wheel, the driving motor can not drive the charging port door to rotate, so that the charging port door can be opened or closed by manually overcoming the elasticity of the torsion spring through a human hand.
The opening and closing device disclosed in the application can realize manual opening and closing of the charging port door and electric opening and closing of the charging port door.
Detailed Description
In view of the above, the core of the present invention is to disclose an opening and closing device for a charging port door of an automobile, which can realize manual and electric opening and closing of the charging port door of the automobile. In addition, another core of the invention is to disclose an automobile with the opening and closing device of the charging port door.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, the present invention discloses an opening and closing device for a charging port door of an automobile, for opening and closing the charging port door 5, comprising: support 1, transmission gear assembly, torsional spring 2 and driving motor 12. The support 1 serves as a mounting base for the entire opening/closing device, which is fixed to the body of the motor vehicle or directly to the body of the motor vehicle, and its specific size and shape can be set according to the charging opening of the motor vehicle. The transmission gear assembly is used for driving the charging port door 5 to rotate, a driving wheel 7 of the transmission gear assembly is a gear with tooth sections and non-tooth sections which are arranged at intervals, and the corresponding angle of the tooth sections is smaller than the rotating angle for opening and closing the charging port door 5. When the toothed section of the driving wheel 7 is engaged, the charging port door 5 can be opened and closed electrically, and when the non-toothed section is opposite to the driven wheel, the driving wheel 7 cannot drive the charging port door 5, so that the charging port door 5 can be opened and closed manually. The first end of the torsion spring 2 is hinged with the support piece 1, the second end of the torsion spring 2 synchronously rotates along with the charging port door 5, and in the rotating process of the charging port door 5, the distance between the first end and the second end of the torsion spring 2 is firstly reduced and then increased; the torsion spring 2 is arranged to assist the operation of the charging port door 5 in the opening and closing processes, so that the charging port door 5 can be automatically opened or closed even if no driving wheel 7 is used for driving in the electric driving process; the driving motor 12 provides power for the rotation of the driving wheel 7, specifically, the driving wheel 7 is fixedly sleeved on an output shaft of the driving motor 12, the driving wheel 7 rotates synchronously with the output shaft of the driving motor 12, and in practice, a speed reducer can be increased according to the rotating speed of the driving motor 12.
The during operation, when the toothed section of action wheel 7 with from the driving wheel meshing, under driving motor 12's effect, then drive charging port door 5 rotates, when rotating to no toothed section with from the driving wheel relative time, charging port door 5 is close to and opens completely this moment, at this in-process because torsional spring 2's second end rotates along with charging port door 6 is synchronous, and make torsional spring 2's first end and second end apart from reducing earlier the back increase, torsional spring 2 hinders earlier then carries out the helping hand promptly, realize charging port door 5's opening completely under torsional spring 2's the motive force.
When closing the mouthful door 5 that charges, driving motor 12 drives action wheel 7 antiport, when rotating to the toothless section with from the driving wheel to opposite, the mouthful door 5 that charges is close the closed position, and torsional spring 2 hinders earlier then carries out the helping hand at this in-process, realizes the complete closure of mouthful door 5 that charges under the driving force of torsional spring 2.
When the toothless section is opposite to the driven wheel, the driving motor 12 can not drive the charging port door 5 to rotate, therefore, the charging port door 5 can be opened or closed by overcoming the elasticity of the torsion spring 2 manually by a person at the moment.
The opening/closing device disclosed in the present application can open/close the charging port door 5 manually or electrically.
In a specific embodiment, the support member 1 is provided with a rotatable rotating shaft 3, and the charging port door 5 in this application is fixed on the rotating shaft 3, that is, the charging port door 5 is opened and closed by the rotation of the rotating shaft 3.
In a preferred embodiment, the opening and closing device further comprises a rotating shaft arm 4 with one end fixedly mounted on the rotating shaft 3, and the second end of the torsion spring 2 is hinged to the end of the rotating shaft arm 4 far away from the rotating shaft 3, and when the charging port door 5 is in a half-open state, the distance between the first end and the second end is minimum, and the torsion spring 2 is in a maximum elastic state. Specifically, this pivot arm 4 is a waist profile spare, and one end and 3 fixed connection of pivot rotate along with pivot 3 synchronization, and the other end is articulated with 2 second ends of torsional spring, makes 2 second ends of torsional spring for 3 eccentric settings of pivot, changes the distance of 2 first ends of torsional spring and second end at pivot arm 4 rotation in-process to the realization is to the change of the elasticity of torsional spring 2.
Include action wheel 7 and follow driving wheel 6 through setting up the drive gear subassembly in this application, wherein, action wheel 7 have the tooth section can with follow driving wheel 6 meshing, and follow driving wheel 6 fixed cover and establish on pivot 3 to drive pivot 3 rotates. In practice, different numbers of driven wheels 6 can be arranged according to different transmission ratio requirements, and are all in a protection range.
In a further embodiment, the above opening and closing device further comprises an open position positioning device and a closed position positioning device, wherein the open position positioning device is used for positioning the charging port door 5 at the full-open position, the closed position positioning device is used for positioning the charging port door 5 at the closed position, and the driving motor 12 stops working when the charging port door 5 is positioned at the open position positioning device and the closed position positioning device. Through setting up the positioner of the mouthful door 5 switching position that charges to guarantee whole switching device's job stabilization, prevent the damage that mouthful door 5 that charges continues to rotate and take place. In practice, the operator can switch off the driving motor 12 after the positioning device is triggered, or can trigger a control switch for controlling the on/off of the driving motor 12.
In a further embodiment, the on position positioning means is an on position magnetic switch 8; the closing position positioning device is a closing position magnetic switch 9; the opening position magnetic switch 8 is triggered when the charging port door 5 is at the full opening position, and the closing position magnetic switch 9 is triggered when the charging port door 5 is at the closing position. The specific structure of the positioning device is disclosed herein, in practice, the open position positioning device and the close position positioning device may also be stroke switches, and control the start and stop of the driving motor 12, and the charging port door 5 has a projection capable of triggering the stroke switches.
The opening and closing device disclosed in the application also comprises a synchronous gear arm 10 which is rotatably arranged on an end shaft of the driving wheel 7, and the synchronous gear arm 10 is in meshing transmission connection with the driven wheel 6; and the synchronous gear arm 10 is provided with a magnet 11 which can trigger the magnetic switch 8 at the opening position and the magnetic switch 9 at the closing position. The on-position magnetic switch 8 and the off-position magnetic switch 9 are triggered by a magnet 11. Magnet 11 is installed on synchronous tooth arm 10, and when charging port door 5 rotated, synchronous tooth arm 10 rotated the same angle, had guaranteed charging port door 5 position and the uniformity of predetermineeing the open and close position, prevented to continue to rotate and damage charging port door 5.
In order to realize mechanical automatic control, the automatic control system further comprises a controller, when the charging port door 5 rotates to a full-open position, the magnet 11 triggers the opening position magnetic switch 8 and transmits a signal to the controller, and the controller controls the driving motor 12 to stop working; when the charging port door 5 rotates to the closed position, the magnet 11 triggers the closed position magnetic switch 9 and transmits a signal to the controller, and the controller controls the driving motor 12 to stop working.
In practice, according to the pivoted angle of charging port door 5, all set up the toothed section and the no toothed section of action wheel 7 to the three-section in this application to alternate and arrange, and every section corresponding angle is the same.
The driving process of the opening and closing device disclosed in the present application:
when the charging port door 5 is opened electrically, the driving motor 12 drives the driving wheel 7 to rotate, and when the toothed area of the driving wheel 7 is contacted with the driven wheel 6, the driving wheel and the driven wheel are meshed with each other and drive the driven wheel 6 to rotate, and the rotating shaft 3, the rotating shaft arm 4, the charging port door 5 and the synchronous toothed arm 10 to rotate together; the torsion spring 2 is twisted and deformed under the action of the rotating shaft arm 4 and rotates around the fixed end of the support piece 1, namely rotates around the first end of the torsion spring 2, the distance between the first end and the second end is gradually reduced and then gradually increased along with the change of the opening angle of the charging port door 5, the elastic force of the torsion spring 2 blocks the opening movement of the charging port door 5 before the middle inflection point position, and the elastic force of the torsion spring 2 after the inflection point is crossed plays a role in boosting the opening movement of the charging port door 5; when the charging port door 5 is close to the fully-opened position, the toothless section of the driving wheel 7 rotates to the direction of the driven wheel 6 and is disengaged from the gear engagement, the opening driving force of the driving motor 12 on the charging port door 5 is interrupted, the charging port door 5 continues to open and move and rapidly reaches the fully-opened position under the elastic action of the torsion spring 2, the magnet 11 triggers the opening position magnetic switch 8, the opening position magnetic switch 8 sends a triggering signal to the controller, the driving motor 12 is controlled to stop working, and the process of electrically opening the charging port door 5 is completed.
When the charging port door 5 is electrically closed, the driving motor 12 drives the driving wheel 7 to rotate reversely, and the intermediate process and the transmission path of the driving wheel 7 for driving the charging port door 5 to close are completely consistent with those of the driving wheel when the charging port door 5 is electrically opened, but the driving directions are opposite. When the charging port door 5 is close to the complete closing position, the toothless section of the driving wheel 7 rotates to the direction of the driven wheel 6 and is disengaged from the gear engagement, the closing driving force of the driving motor 12 to the charging port door 5 is interrupted, the charging port door 5 continues to close and rapidly reaches the complete closing position under the elastic action of the torsion spring 2, the magnet 11 triggers the closing position magnetic switch 9, the closing position magnetic switch sends a triggering signal to the controller, the driving motor 12 is controlled to stop working, and the process of electrically closing the charging port door 5 is completed.
Manual switching charging port door 5, when the action of electronic opening charging port door 5 or electronic closing charging port door 5 ended, the toothless section of action wheel 7 was towards from driving wheel 6, action wheel 7 and from the unable meshing of driving wheel 6 this moment, the transmission route between driving motor 12 and charging port door 5 breaks off between action wheel 7 and from driving wheel 6, manual opening and closing charging port door 5 can not receive driving motor 12's self-locking power effect this moment, only need overcome the elasticity of torsional spring 2 and rotate frictional force and can open or close charging port door 5. When the charging port door 5 is manually opened or closed, the charging port door 5 is automatically kept at a fully opened position or a fully closed position under the action of the torsion spring 2, the opening position magnetic switch 8 and the closing position magnetic switch 9 are correspondingly triggered by the magnet 11, and the controller can sense the opening and closing states of the manually operated charging port door 5 and does not influence the electric opening or electric closing function of the charging port door 5 again.
In the above arrangement, the opening/closing device can be operated to electrically open or manually open or electrically close the charging port door 5.
In addition, this application has still disclosed an automobile, includes the switching device of charging port door, and wherein, the switching device of this charging port door is the switching device of charging port door disclosed in the above-mentioned embodiment, therefore, the automobile that has this switching device of charging port door also has above-mentioned all technological effects, and the repeated description is omitted here.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.