CN111907607A - Sliding charging small door in automobile - Google Patents

Abstract

An automotive interior sliding charging door comprising: the charging port seat is provided with an inner cavity, an external opening and a charging port; the charging port cover is arranged in the charging port seat in an openable and closable manner and is provided with a sliding foot assembly; the driving mechanism is used for switching the charging opening cover between a closed state and an open hidden state; the input end of the flexible transmission rack is in transmission connection with the driving mechanism; the transmission sliding block is provided with a linkage groove and is in transmission connection with the output end of the flexible transmission rack; the guide block is provided with a guide track groove, the sliding foot component is arranged in the guide track groove in a sliding mode, and the sliding foot component is further inserted into the linkage groove. Through the structural design, the charging opening cover has a covering state and an opening hiding state, can be integrated with the outer surface of the vehicle body when in the covering state, has better aesthetic property, plays a good role in protecting during charging, prevents the charging opening cover from scratching the skin or clothes of the human body, and greatly improves the safety.

Description

A sliding charging door in a car

technical field

The invention relates to the technical field of charging equipment, in particular to a sliding charging door in a vehicle applied to a new energy electric vehicle.

Background technique

A new energy electric vehicle refers to a vehicle that is powered by on-board power supply and driven by a motor, and meets the requirements of road traffic and safety regulations. It runs on electricity stored in batteries. Sometimes 12 or 24 batteries are used when driving the car, sometimes more. This type of car is generally equipped with a charging port cover on the body. The charging port cover can open or close the charging port, and the charging gun rushes through the charging port to charge the battery in the car. Specifically, the charging door is used to close or open a charging port in the body of a vehicle with an electric drive, the charging door has a charging cover, and the charging cover can be moved between a closed position and an open position. The closed position: the The charging cover forms a substantially seamless transition with the outer surface of the vehicle body; in the open position, the charging cover releases the charging port to charge the vehicle energy storage device by inserting the charging gun into the corresponding charging socket.

When this kind of charging cover door is used for vehicle charging, it is applied to new energy charging vehicles in vehicles with electric drives. Compared with the refueling door of ordinary fuel vehicles, the cover can be closed for a few minutes after refueling. However, when it is applied to new energy charging vehicles, the charging time is often longer, and the existing everted cover is exposed for a long time. Also longer. For safety reasons, the protruding body and the exterior of the vehicle body are prone to rubbing against human skin or clothing. Naughty children are curious that the cover plate that is turned over during the charging process can be turned over, which is prone to safety accidents; in addition, for aesthetic reasons, the long-term opening during the charging process affects the unified visual appearance of the outer surface.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides an interior sliding charging door of a vehicle, which aims to simply use the charging door of the vehicle and simply connect the charging door and the charging cable or the charging cable. The charging plug can provide better safety, reliability and aesthetics during use.

The technical solution of the present invention to solve the technical problem is as follows: an inner sliding charging door of an automobile, comprising:

a charging port seat, which has an inner cavity, an external opening communicated with the inner cavity, and a charging interface communicated with the inner cavity and the in-vehicle battery assembly respectively;

a charging port cover, which can be opened and closed in the charging port seat, and has at least a closed state and an open and hidden state, and the charging port cover is provided with a sliding foot assembly;

a driving mechanism, which is used to provide power to switch the charging port cover between a closed state and an open and hidden state;

a flexible transmission rack, the input end of the flexible transmission rack is connected with the drive mechanism;

a transmission slider, which is provided with a linkage groove, and the transmission slider is connected with the output end of the flexible transmission rack in a transmission manner;

The guide block is provided with a guide track groove, the sliding foot assembly is slidably arranged in the guide track groove and can move along the guide track groove, and the sliding foot assembly is also inserted into the linkage groove In the middle, the transmission connection between the transmission slider and the sliding foot assembly is realized.

Preferably, the transmission slider is provided with an inner connecting portion protruding inwardly, and the inner connecting portion includes a first chute and a first sliding portion;

The guide block is also provided with a second chute, and a second sliding part is protruded beside the second chute;

The first sliding part is inserted into the second sliding groove and can slide along the second sliding groove; the second sliding part is inserted into the first sliding groove and can slide along the first sliding groove. The chute slides.

Preferably, the transmission slider is further provided with a transmission groove, and the flexible transmission rack is protruded with a transmission part, and the transmission part is inserted into the transmission groove to realize the flexible transmission rack. Fixed connection to the transmission slide.

Preferably, the drive mechanism includes a motor and a rotating gear that is drive-connected to the motor, and the flexible transmission rack and the rotating gear are meshed with each other to realize transmission.

Preferably, the sliding foot assembly includes a first sliding foot assembly and a second sliding foot assembly, the guide track groove includes a first track groove group and a second track groove group, and the first sliding foot assembly slides The second sliding foot assembly is slidably arranged in the second track groove group.

Preferably, the first sliding foot assembly includes two identical first sliding foot units, which are respectively protruded on both sides of the charging port cover;

The second sliding foot assembly includes an active second sliding foot unit and a driven second sliding foot unit, which are respectively protruded on both sides of the charging port cover, wherein the active second sliding foot unit is inserted into the second sliding foot unit. into the linkage groove in the slider body.

Preferably, the guide track groove has a curved section and a straight section.

Preferably, the interlocking grooves are arranged obliquely, and the inclination direction of the interlocking grooves is opposite to the inclination direction of the curved section.

Preferably, the charging port seat is further provided with a limit slot, and the flexible transmission rack is inserted into the limit slot.

Preferably, it also includes an emergency manual pull wire, a pull wire fixing groove is also opened on the transmission slider, and one end of the emergency manual pull wire is fixed in the pull wire fixing groove, so as to realize the connection between the emergency manual pull wire and the transmission slider. Transmission fit.

The beneficial effects of the present invention are as follows: 1. Through the structural design, the charging port cover has a closed state and an open and hidden state. When in the closed state, it can be integrated with the outer surface of the vehicle body, which has better aesthetics and reduces foreign objects. Or, for example, the risk of water (especially rain) intruding between the charging cover and the surrounding body; when it is in an open and hidden state, the charging port cover is hidden into the inner cavity of the charging port holder, which plays a good protective role and replaces the existing The eversion-type structure prevents the charging port cover from rubbing against human skin or clothing, which greatly improves safety.

2. The transmission mechanism adopts the combination of flexible transmission rack and transmission slider, which has the advantages of simple structure, stable transmission, buffering and vibration absorption, quietness, power transmission between large axis spacing and multi-axis, and its low cost, No need for lubrication and easy maintenance.

3. The automatic opening and closing of the charging port cover is realized through the electric drive mechanism, which makes the opening and closing actions more accurate, and also prevents the occurrence of improper manual operation.

4. Through the cooperation of the sliding foot assembly, the guide track groove, and the transmission slider, the charging port cover can be switched between the closed state, the bending state and the open and hidden state smoothly and efficiently.

5. Equipped with emergency manual cable, in case of emergency, the shell can manually open the charging port cover.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of another angle of the present invention.

Figure 3 is an exploded view of the present invention.

Figure 4 is a schematic diagram of the assembly of the transmission slider, the flexible transmission rack and the emergency manual cable.

Figure 5 is a schematic diagram of the assembly of the guide block and the transmission slider.

Figure 6 is an exploded view of the guide block.

Fig. 7 is a side view of the guide block body.

Fig. 8 is a schematic view of the assembly of the charging port cover, the guide block and the transmission slider.

FIG. 9 is a cross-sectional view taken along the line A-A in FIG. 8 .

FIG. 10 is a cross-sectional view taken along the line B-B in FIG. 8 .

Figure 11 is an exploded view of the drive mechanism.

FIG. 12 is a cross-sectional view of the charging port cover in the closed state according to the present invention.

FIG. 13 is a cross-sectional view of the charging port cover during the opening process of the present invention.

FIG. 14 is a cross-sectional view of the charging port cover in an open and hidden state according to the present invention.

FIG. 15 is a schematic view of the structure of the charging port cover.

Figure 16 is a schematic diagram of the structure of the transmission slider.

FIG. 17 is a schematic structural diagram of another angle of the transmission slider.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to Figures 1 to 17, a sliding charging door in an automobile includes:

The charging port seat 7 has an inner cavity 1, an external opening 2 communicated with the inner cavity 1, and a charging interface 3 communicated with the inner cavity 1 and the in-vehicle battery assembly respectively. Preferably, the charging port 7 includes a base body 4 and a base cover 6, and each accessory is put into it during assembly, and finally the base cover 6 and the base body 4 are fixed together;

The charging port cover 8 can be installed in the charging port base 7 in an openable and closable manner, and has at least a closed state and an open and hidden state, and the charging port cover 8 is provided with a sliding foot assembly. Preferably, the charging port cover 8 is made by a two-color injection molding process, and includes a hard port cover body 9 and a soft glue 10 arranged on the outer ring of the port cover body 9. The soft glue 10 can cover the matching gap and prevent the outside of the vehicle. foreign object blocking;

The driving mechanism 11 is used to provide power to switch the charging port cover 8 between a closed state and an open and hidden state. Preferably, the driving mechanism 11 includes a motor 12 and a rotating gear 13 connected to the motor 12 in a driving manner. The flexible transmission rack 14 and the rotating gear 13 are meshed with each other to realize transmission, and the rotating The gear 13 is also provided with a protective cover 15, which can shield the rotating gear 13 and the flexible transmission rack 14 that meshes with the rotating gear 13, so as to play a good protective role and prevent the invasion of external impurities from affecting normal use;

A flexible transmission rack 14, the input end of the flexible transmission rack 14 is drivingly connected with the drive mechanism 11;

The transmission slider 16 is provided with a linkage groove 17, and the transmission slider 16 is in driving connection with the output end of the flexible transmission rack 14;

The guide block 18 is provided with a guide track groove 19, the sliding foot assembly is slidably arranged in the guide track groove 19 and can move along the guide track groove 19, and the sliding foot assembly is also inserted into the guide track groove 19. In the above-mentioned linkage groove 17, the transmission connection between the transmission slider 16 and the sliding foot assembly is realized. Preferably, the guide block 18 is made by a two-color injection molding process, and includes a hard guide block body 20 and a soft blocking piece 21 adapted to the guide track groove 19 , and the block piece 21 is used for the guide track groove. 19. Partial sealing protection is carried out to prevent the intrusion of large foreign bodies and affect the normal use of the interior.

In this embodiment, the transmission sliding block 16 is provided with an inner connecting portion 22 protruding inwardly, and the inner connecting portion 22 includes a first sliding groove 23 and a first sliding portion 24; the guide block 18 is also provided with There is a second chute 25, and a second sliding part 26 is protruded beside the second chute 25; the first sliding part 24 is inserted into the second chute 25 and can slide along the second sliding part 24. The slot 25 slides, and the second sliding portion 26 is inserted into the first sliding slot 23 and can slide along the first sliding slot 23 . The structure of this embodiment is used to form a double sliding fit between the transmission slider 16 and the guide block 18 , so that the sliding operation of the combination is more stable and reliable, and there will be no jamming or derailment.

The inner connecting portion 22 can be integrally formed with the transmission slider 16, or can be assembled together after being formed separately. The guide block 18 can be integrally formed with the charging port seat 7, or can be formed separately. assembled together.

In order to realize the connection between the flexible transmission rack 14 and the transmission slider 16 and the transmission effect, a preferred structural composition is proposed here. Specifically, the transmission slider 16 is also provided with a transmission groove 27, so The flexible transmission rack 14 is protruded with a transmission portion 28 , and the transmission portion 28 is inserted into the transmission groove 27 to realize the fixed connection between the flexible transmission rack 14 and the transmission slider 16 . In this preferred structure, the transmission slot 27 is directly opened on the transmission slider 16, which can be used in cooperation with the transmission part 28 on the flexible transmission rack 14. The matching part of this preferred method is directly integrated in the transmission slider 16 and the transmission slider 16. The flexible transmission rack 14 makes the structure of this part very simple, the difficulty of processing and assembly is low, and the operation and use are also very reliable and smooth.

There are many forms of sliding foot components, each with its own advantages and disadvantages. In this embodiment, a preferred sliding foot assembly structure is proposed, which specifically includes a first sliding foot assembly and a second sliding foot assembly, and the guide track groove 19 includes a first track groove group 29 and a second track groove group 30 , the first sliding foot assembly is slidably arranged in the first track groove group 29 , and the second sliding foot assembly is slidably arranged in the second track groove group 30 . More specifically, the first sliding foot assembly includes two identical first sliding foot units 31 , which are respectively protruded on both sides of the charging port cover 8 ; the second sliding foot assembly includes an active second sliding foot unit 31 . The sliding foot unit 32 and the driven second sliding foot unit 33 are respectively protruded on both sides of the charging port cover 8 , wherein the active second sliding foot unit 32 is inserted into the slider body. in the linkage groove 17. In this embodiment, the double sliding foot structure combined with the first sliding foot assembly and the second sliding foot assembly is adopted, so that there are two sets of contact points between the charging port cover 8 and the guide track groove 19, and the force can be uniformly applied, so that the During the process of opening or closing the charging port cover 8, the movement is more stable, and the relevant parts will not be damaged and broken due to excessive force.

In this embodiment, the guide track groove 19 has a curved section 34 and a straight section 35 . The setting of the curved section 34 is to enable the charging port cover 8 to realize positional changes in multiple dimensions at the same time, so that it can fit with the irregular body 43 sheet metal, eliminate the interference problem between the components, and ensure the normal operation of the system. use. At the same time, the existence of the curved section 34 has a self-locking function during a certain period of time, preventing the charging port cover 8 from being opened when an external force hits the vehicle, which may cause a greater safety hazard.

Referring to FIG. 7 , for an example of an application, the second track groove group 30 is located above the first track groove group 29 , the first track groove group 29 is straight, and the second track groove group Set 30 has curved sections 34 and straight sections 35 . During the operation of this preferred structure, when the charging port cover 8 is switched from the closed state to the open and hidden state, one end of the cover 8 always moves in translation, and the other end moves inclining toward the charging port seat 7 first, and then moves in translation, so that the Interference with the vehicle body 43 is eliminated between the state switching, and the state switching is completed.

In order to match the shape of the second track groove group 30 and the movement track of the active second sliding foot unit 32 to make the movement of the charging port cover 8 smoother, in this embodiment, the linkage groove 17 is inclined and the linkage groove 17 The inclination direction of is opposite to the inclination direction of the curved section 34 .

When the active second sliding foot unit 32 is in the bending section, the direction of the force is inclined, and slip easily occurs between the inner wall of the second track groove group 30 and the active second sliding foot unit 32, which affects the transmission effect. To this end, the upper part of the linkage groove 17 is further provided with a positioning hole 36 which is adapted to the shape of the active second sliding foot unit 32 .

The charging port seat 7 is further provided with a limiting slot 37 , and the flexible transmission rack 14 is inserted into the limiting slot 37 . The setting of the limiting slot 37 can constrain the flexible transmission rack 14 so that it will not jump out of the work position during the reciprocating motion, thereby ensuring reliable transmission temperature. Preferably, the notch of the limiting slot 37 is provided with an anti-stripping buckle 38, and the anti-stripping buckle 38 is in contact with the flexible transmission rack 14; the interior of the limiting slot 37 is provided with an anti-stripping snap 39 , the front end of the flexible transmission rack 14 is provided with a barb 40 , and the spring buckle 39 and the barb 40 on the flexible transmission rack 14 are locked and matched with each other, so as to further limit the position of the flexible transmission rack 14 .

The failure rate of electronic components is relatively high. Once the trip computer or the drive mechanism 11 fails, the charging port cover 8 cannot be opened for use, which will lead to insufficient power for the vehicle to drive. It needs to be sent to the repair shop for repair. In some cases, it is even necessary to call a tow truck service, which will cause great distress to the user. Therefore, in the present invention, an emergency manual pull wire 41 is also included, a pull wire fixing groove 42 is also opened on the transmission slider 16, and one end of the emergency manual pull wire 41 is fixed in the pull wire fixing groove 42 , to realize the transmission cooperation between the emergency manual cable 41 and the transmission slider 16 . When the trip computer or the drive mechanism 11 cannot be used, the user can pull the emergency manual pull wire 41 to open the charging port cover 8 so as to charge the vehicle.

When the present invention is applied to a new energy vehicle, its working principle is as follows:

When charging is required, the trip computer sends an instruction to the drive mechanism 11 to make the drive mechanism 11 start to run, and the drive mechanism 11 outputs power to the flexible transmission rack 14, thereby driving the transmission slider 16 connected to it to move, so that the transmission slider 16 Translate and slide relative to the guide block 18, and at the same time, the sliding foot assembly connected with the transmission slider 16 also moves with it, so that the position of the charging port cover 8 relative to the charging port seat 7 changes, that is, it can be switched from the closed state to the open and hidden state. , and then the external opening 2 and the charging interface 3 are exposed, and the user can connect the external charging device to charge the in-vehicle battery assembly;

After the charging is completed, the trip computer sends an instruction to the driving mechanism 11 to make the driving mechanism 11 start to run in the reverse direction, the driving mechanism 11 outputs power to the flexible transmission rack 14, and the flexible transmission rack 14 performs a reset motion, which drives it The connected transmission slider 16 moves, so that the transmission slider 16 performs reverse translational sliding relative to the guide block 18, and at the same time, the sliding foot assembly connected with the transmission slider 16 also moves in reverse with it, so that the charging port cover 8 is relatively charged. The position of the port 7 is changed, that is, it can be switched from the open and hidden state to the closed state, and then the charging port cover 8 is closed on the external opening 2, and the charging port 3 is covered. The outer surface is integrated.

Claims (10)

1. An automobile inner sliding type charging small door is characterized by comprising:

the charging port seat is provided with an inner cavity, an external opening communicated with the inner cavity and a charging port respectively communicated with the inner cavity and the in-vehicle battery component;

the charging port cover is arranged in the charging port seat in an openable and closable manner and at least has a covered state and an opened and hidden state, and the charging port cover is provided with a sliding foot assembly;

the driving mechanism is used for providing power so as to realize the switching of the charging opening cover between a closed state and an open hidden state;

the input end of the flexible transmission rack is in transmission connection with the driving mechanism;

the transmission sliding block is provided with a linkage groove and is in transmission connection with the output end of the flexible transmission rack;

the guide block is provided with a guide track groove, the sliding foot component is arranged in the guide track groove in a sliding mode and can move along the guide track groove, and the sliding foot component is further inserted into the linkage groove to achieve transmission connection of the transmission sliding block and the sliding foot component.

2. The sliding charging wicket in the automobile of claim 1, wherein: the transmission slide block is inwards provided with an inner connecting part in a protruding mode, and the inner connecting part comprises a first sliding groove and a first sliding part;

the guide block is also provided with a second sliding chute, and a second sliding part is convexly arranged beside the second sliding chute;

the first sliding part is inserted into the second sliding groove and can slide along the second sliding groove, and the second sliding part is inserted into the first sliding groove and can slide along the first sliding groove.

3. The sliding charging wicket in the automobile of claim 1, wherein: the transmission slide block is also provided with a transmission groove, the flexible transmission rack is convexly provided with a transmission part, and the transmission part is inserted in the transmission groove to realize the fixed connection of the flexible transmission rack and the transmission slide block.

4. The sliding charging wicket in the automobile of claim 1, wherein: the driving mechanism comprises a motor and a rotating gear in transmission connection with the motor, and the flexible transmission rack is meshed with the rotating gear to realize transmission.

5. The sliding charging wicket in the automobile of claim 1, wherein: the sliding foot assembly comprises a first sliding foot assembly and a second sliding foot assembly, the guide track groove comprises a first track groove group and a second track groove group, the first sliding foot assembly is arranged in the first track groove group in a sliding mode, and the second sliding foot assembly is arranged in the second track groove group in a sliding mode.

6. The sliding charging wicket in the automobile of claim 5, wherein: the first sliding foot assembly comprises two identical first sliding foot units which are respectively arranged on two sides of the charging opening cover in a protruding mode;

the second sliding foot component comprises a driving second sliding foot unit and a driven second sliding foot unit which are respectively arranged on two sides of the charging opening cover in a protruding mode, wherein the driving second sliding foot unit is inserted into a linkage groove in the sliding block body.

7. The sliding charging wicket in the automobile of claim 5, wherein: the guide track groove is provided with a bending section and a flat section.

8. The sliding charging wicket in a vehicle of claim 7, wherein: the linkage groove is obliquely arranged, and the oblique direction of the linkage groove is opposite to that of the bending section.

9. The sliding charging wicket in the automobile of claim 1, wherein: the charging port seat is also provided with a limiting groove, and the flexible transmission rack is arranged in the limiting groove in a penetrating manner.

10. The sliding charging wicket in the automobile of claim 1, wherein: the emergency manual stay wire is characterized by further comprising an emergency manual stay wire, a stay wire fixing groove is further formed in the transmission sliding block, one end of the emergency manual stay wire is fixed in the stay wire fixing groove, and the transmission matching of the emergency manual stay wire and the transmission sliding block is achieved.

Images