Sliding charging port protection cover movement mechanism, charging port assembly and automobile

Abstract

The application belongs to the technical field of automobile charging port, and particularly relates to a sliding type charging port protective cover movement mechanism, a charging port assembly and an automobile, which comprises a shell, a protective cover, a guide rail, a sliding plate, a flexible shaft and a driving mechanism, the shell is provided with a charging opening, and the protective cover is used for opening or closing the charging opening; the guide rail is fixed on the shell, the sliding plate is slidingly connected on the guide rail, the guide rail is provided with a guide rail driving channel, the flexible shaft is slidingly inserted in the guide rail driving channel and is fixedly connected with the sliding plate; the sliding plate is provided with a first sliding groove and a second sliding groove, the protective cover is provided with a first sliding pin and a second sliding pin, the first sliding pin is slidingly connected in the first sliding groove, and the second sliding pin is slidingly connected in the second sliding groove. Compared with the prior art, the sliding type charging port protective cover movement mechanism has a more optimal protective cover movement track, the cooperation relationship among the flexible shaft, the guide rail, the sliding plate and the protective cover is more close, the space utilization rate is higher, the occupied vehicle space is smaller, and the platform production is more favorable.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of automobile charging port, and particularly relates to a sliding type charging port protective cover movement mechanism, a charging port assembly and an automobile. BACKGROUND

[0002] An electric automobile is generally provided with a charging port cover on a vehicle body, which is used to open or close a charging port. An external charging gun can charge a battery pack in the vehicle by being inserted into the charging port. The charging port on the electric automobile is usually arranged on the inner side of the vehicle body panel, and a charging port protective cover for exposing or covering the charging port is arranged on the outer side of the vehicle body panel opposite to the charging port.

[0003] In the prior art, the charging port protective cover is mainly connected to the vehicle body panel in the following two ways. The first way is to use an outwardly hinged charging port protective cover which is hinged to the vehicle body panel. This type of charging port protective cover is mostly opened and closed manually, which is inconvenient to use. Moreover, after the charging port protective cover is opened outwardly, it protrudes outwardly on the vehicle body, which is easy to scratch the human skin or clothes and cause safety accidents. The second way is to use a hidden sliding charging port protective cover which is fixedly connected to a transmission mechanism. Although this type of charging port protective cover can be slid and hidden into the inner side of the vehicle body panel during charging, the space utilization rate of the transmission mechanism is low, and the transmission mechanism occupies too much space of the automobile, which is not conducive to platform production. SUMMARY

[0004] The present application aims to solve the problem of the low space utilization rate of the transmission mechanism of the hidden sliding charging port protective cover in the prior art, the too large space occupied by the transmission mechanism of the automobile, and the inconvenience of platform production. The present application provides a sliding type charging port protective cover movement mechanism, a charging port assembly and an automobile.

[0005] To solve the above technical problems, the present application provides a sliding type charging port protective cover movement mechanism, which comprises a shell, a protective cover, a guide rail, a sliding plate, a flexible shaft and a driving mechanism. The shell is provided with a charging opening, and the protective cover is used to open or close the charging opening. The guide rail is fixed on the shell, and the sliding plate is slidably connected to the guide rail. The guide rail is provided with a guide rail driving channel extending along the length direction of the guide rail. The flexible shaft is slidably inserted into the guide rail driving channel and is dynamically coupled with the sliding plate. The sliding plate is provided with a first sliding groove and a second sliding groove. The side of the protective cover facing the sliding plate is provided with a first sliding pin and a second sliding pin. The first sliding pin is slidably connected to the first sliding groove, and the second sliding pin is slidably connected to the second sliding groove.

[0006] The driving mechanism is used to drive the flexible shaft to move along the guide rail driving channel, so as to drive the sliding plate to slide along the guide rail, and drive the protective cover to slide back and forth between the closed position and the open position through the sliding of the first sliding bolt relative to the first sliding groove and the sliding of the second sliding bolt relative to the second sliding groove.

[0007] In the closed position of the protective cover, the protective cover covers the charging opening; in the open position of the protective cover, the protective cover is hidden inside the body panel around the charging opening.

[0008] Optionally, the first sliding groove comprises a first movement guiding section and a first falling position section, the tail end of the first movement guiding section communicates with the first falling position section, and the second sliding groove comprises a second movement guiding section and a second falling position section, the tail end of the second movement guiding section communicates with the second falling position section.

[0009] When the first sliding bolt slides from the starting end to the tail end of the first movement guiding section relative to the sliding plate, the second sliding bolt slides from the starting end to the tail end of the second movement guiding section, so as to guide the protective cover to translate a predetermined distance inwardly from the closed position; after the first sliding bolt is located in the first falling position section and the second sliding bolt is located in the second falling position section, the protective cover is driven by the sliding plate to slide to the open position.

[0010] Optionally, the side of the protective cover facing the sliding plate is further provided with a third sliding bolt, one end of the guide rail is provided with a limiting groove, and the guide rail is provided with a first guide groove communicating with the limiting groove along the length direction of the guide rail, and the first guide groove is located outside the guide rail driving channel.

[0011] In the closed position of the protective cover, the third sliding bolt is accommodated in the limiting groove, so as to limit the sliding of the protective cover along the guide rail; after the protective cover translates a predetermined distance inwardly from the closed position, the third sliding bolt leaves the limiting groove and enters the first guide groove, so as to allow the protective cover to slide along the guide rail.

[0012] Optionally, the side of the protective cover facing the sliding plate is further provided with a fourth sliding bolt, and the guide rail is provided with a notch communicating with the first guide groove, the notch communicates with the first guide groove, and in the closed position of the protective cover, the fourth sliding bolt is located outside the notch.

[0013] After the protective cover translates a predetermined distance inwardly from the closed position, the protective cover is flipped by a predetermined angle around the third sliding bolt, the fourth sliding bolt enters the first guide groove, so that the fourth sliding bolt and the third sliding bolt slide in the first guide groove at the same time, and the protective cover is slidably matched with the guide rail through the third sliding bolt and the fourth sliding bolt.

[0014] Optionally, the protective cover is further provided with a fourth slide pin on one side thereof facing the slide plate, the guide rail is provided with a fourth sliding groove parallel to the first guide groove, the guide rail is provided with a notch communicating with the fourth sliding groove, the fourth slide pin is located outside the notch in the closed position of the protective cover;

[0015] After the protective cover is translated by a predetermined distance from the closed position to the inside, the protective cover is flipped by a predetermined angle around the third slide pin, and the fourth slide pin enters the fourth sliding groove, so that the fourth slide pin slides in the fourth sliding groove. The sliding process of the fourth slide pin in the fourth sliding groove is synchronized with the sliding process of the third slide pin in the first guide groove, so that the protective cover is slidably connected with the guide rail through the third slide pin and the fourth slide pin.

[0016] Optionally, the first movement guide section includes a first translation guide section and a first flip guide section communicating between the first translation guide section and the first landing section, and the second movement guide section includes a second translation guide section and a second flip guide section communicating between the second translation guide section and the second landing section.

[0017] When the first slide pin slides along the first translation guide section toward the first flip guide section relative to the slide plate, the second slide pin slides along the second translation guide section toward the second flip guide section relative to the slide plate, so as to guide the protective cover to be translated by a predetermined distance from the closed position to the inside.

[0018] When the first slide pin slides along the first flip guide section toward the first landing section relative to the slide plate, the second slide pin slides along the second flip guide section toward the second landing section, so as to guide the protective cover to be flipped by a predetermined angle around the third slide pin.

[0019] Optionally, the first movement guide section further includes a first idle stroke section located at the starting position of the first slide groove, and the second movement guide section further includes a second idle stroke section located at the starting position of the second slide groove.

[0020] When the first slide pin slides along the first idle stroke section relative to the slide plate, the second slide pin slides along the second idle stroke section relative to the slide plate, and the position of the protective cover relative to the shell does not change.

[0021] Optionally, the first motion guide section further comprises a first circular arc transition section connected between the first flip guide section and the first landing section, the second motion guide section further comprises a second circular arc transition section connected between the second flip guide section and the second landing section, the first idle stroke section and the first translation guide section are located outside the first flip guide section, the first circular arc transition section and the first landing section are located inside the first flip guide section, the second idle stroke section and the second translation guide section are located outside the second flip guide section, and the second circular arc transition section and the second landing section are located outside the second flip guide section.

[0022] Optionally, the sliding charging port protection cover motion mechanism further comprises a flexible shaft connecting piece, an inner side of the guide rail driving channel is provided with an open slot, the flexible shaft connecting piece comprises a connecting ring and a connecting plate, the connecting ring is fixed on an outer circumferential surface of the flexible shaft, the connecting plate passes through the open slot, one end of the connecting plate is fixed on the connecting ring, and the other end of the connecting plate is coupled to the sliding plate.

[0023] Optionally, a second guide slot parallel to the guide rail driving channel is arranged on one side of the guide rail close to the sliding plate, and an opening of the second guide slot faces outward.

[0024] The sliding plate is provided with a slide foot assembly on a side facing the guide rail, the slide foot assembly comprises a first slide foot, a second slide foot, a third slide foot and a fourth slide foot, the first slide foot, the second slide foot, the third slide foot and the fourth slide foot are elastic, the first slide foot and the fourth slide foot are slidingly arranged in the second guide slot, and the second slide foot and the third slide foot slidingly abut against an outer bottom wall of the second guide slot.

[0025] Optionally, the flexible shaft comprises a core rod, a first layer of steel wires, a second layer of steel wires, a third layer of spring steel wires and nylon, the first layer of steel wires is wound on the core rod, the second layer of steel wires is wound on the first layer of steel wires, the third layer of spring steel wires is wound on the second layer of steel wires, and the nylon is arranged in gaps of the third layer of spring steel wires in a manner of flocking.

[0026] Optionally, the driving mechanism comprises a motor and a gear, the gear is engaged with the third layer of spring steel wires, and the motor is used to drive the gear to rotate, so as to drive the flexible shaft to move along the guide rail driving channel.

[0027] Optionally, two guide rails are arranged on two sides of the protective cover and are arranged in parallel; two sliding plates are arranged on two sides of the protective cover and are arranged in parallel, each of the sliding plates is slidingly connected to the guide rail on the same side, the protective cover is provided with the first sliding pin and the second sliding pin on both sides facing the sliding plates, each of the first sliding pin is slidingly connected to the first sliding groove of the sliding plate on the same side, and each of the second sliding pin is slidingly connected to the second sliding groove of the sliding plate on the same side; two flexible shafts are arranged, and each of the flexible shafts is slidingly inserted into the guide rail driving channel of the corresponding guide rail and is fixedly connected to the corresponding sliding plate.

[0028] Optionally, the shell is provided with a first shell channel and a second shell channel, and a side of each of the guide rails away from the sliding plate is provided with a guide rail containing channel parallel to the guide rail driving channel.

[0029] The guide rail driving channel of the first guide rail, the first shell channel and the guide rail containing channel of the second guide rail are sequentially communicated to form a first guide space for the movement of the first flexible shaft, and the guide rail driving channel of the second guide rail, the second shell channel and the guide rail containing channel of the first guide rail are sequentially communicated to form a second guide space for the movement of the second flexible shaft.

[0030] Optionally, the driving mechanism comprises a motor and a gear, the outer ring of the flexible shaft is provided with an engaging member, the gear is engaged with the engaging members of the two flexible shafts at the same time, and the motor is used to drive the gear to rotate so as to simultaneously drive the two flexible shafts to move along the respective guide rail driving channels.

[0031] According to the movement mechanism of the sliding charging port protective cover, the guide rail is fixed on the shell, the flexible shaft moves in the guide rail driving channel and is directly fixedly connected to the sliding plate, the sliding plate slides along the guide rail, and the sliding plate is slidingly connected to the first sliding pin and the second sliding pin of the protective cover through the first sliding groove and the second sliding groove; that is, the flexible shaft is fixedly connected to the guide rail, the sliding plate is slidingly connected to the protective cover, and the sliding plate slides along the guide rail, compared with the transmission mechanism of the charging port protective cover in the prior art, the cooperation relationship among the flexible shaft, the guide rail, the sliding plate and the protective cover is more close, the space utilization rate is higher, and the space occupied by the automobile is smaller, so that the movement mechanism can be better applied to platform production.

[0032] In the process of sliding the protective cover to open the charging opening, the sliding of the first slide pin and the second slide pin relative to the slide plate in the first movement guide channel and the second movement guide channel causes the third slide pin and the fourth slide pin to enter the first guide groove of the guide rail by first translating a predetermined distance inwardly of the vehicle body and then turning a predetermined angle about the third slide pin, so that the protective cover is in sliding connection with the guide rail, the first slide pin and the second slide pin abut in the first drop position section and the second drop position section respectively, and the slide plate drives the protective cover to slide along the first guide groove until the charging opening is completely opened.

[0033] It can be seen that, in the process of opening the charging opening, the protective cover has a movement trajectory perpendicular to the normal direction of the protective cover inwardly when the first slide pin and the second slide pin just start to slide relative to the slide plate in the first movement guide channel and the second movement guide channel; and in the process of closing the charging opening, the first slide pin and the second slide pin have a movement trajectory perpendicular to the normal direction of the protective cover outwardly at the end of the sliding relative to the slide plate in the first movement guide channel and the second movement guide channel. Because the protective cover has the above two movement trajectories, the protective cover can be self-locked when the first slide pin and the second slide pin do not slide relative to the slide plate in the first movement guide channel and the second movement guide channel. Moreover, the two movement trajectories of the protective cover can make the protective cover flush with the vehicle body panel, so that the protective cover is more beautiful when installed on the vehicle body panel. Therefore, the movement trajectory of the protective cover is more optimal than that of the hidden sliding protective cover in the prior art.

[0034] In another aspect, the embodiment of the present application further provides a charging port assembly, which comprises a charging port seat and the sliding charging port protective cover movement mechanism.

[0035] In another aspect, the embodiment of the present application further provides a car, which comprises the sliding charging port protective cover movement mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 is a structural schematic view of a charging port assembly provided by an embodiment of the present application;

[0037] Figure 2 is a structural schematic view of a charging port assembly provided by an embodiment of the present application from another angle and after removing an upper shell;

[0038] Figure 3 is a top view of the charging port assembly provided by an embodiment of the present application after removing the upper shell and the protective cover; Figure 2 is a right view of the charging port assembly provided by an embodiment of the present application;

[0039] Figure 4 is a top view of the charging port assembly provided by an embodiment of the present application after removing the upper shell and the protective cover;

[0040] Figure 5 is a sectional view of the charging port assembly provided by an embodiment of the present application in the direction of A-A; Figure 4

[0041] Figure 6 is a sectional view of the charging port assembly provided by an embodiment of the present application in the direction of B-B; Figure 4

[0042] Figure 7 is a structural schematic diagram of the charging port assembly provided by an embodiment of the present application when the protective cover is closed;

[0043] Figure 8 is a structural schematic diagram of the charging port assembly provided by an embodiment of the present application when the protective cover is opened;

[0044] Figure 9 is a structural schematic diagram of the sliding charging port protective cover movement mechanism (without the shell) provided by an embodiment of the present application when the protective cover is closed;

[0045] Figure 10 is a structural schematic diagram of the sliding charging port protective cover movement mechanism (without the shell) provided by an embodiment of the present application when the protective cover is opened;

[0046] Figure 11 is an exploded view of the main structure of the sliding charging port protective cover movement mechanism provided by an embodiment of the present application;

[0047] Figure 12 is a front structural schematic diagram of the sliding charging port protective cover movement mechanism provided by an embodiment of the present application;

[0048] Figure 13 is a sectional view of the sliding charging port protective cover movement mechanism provided by an embodiment of the present application in the direction of C-C; Figure 12

[0049] Figure 14 is a sectional view of the sliding charging port protective cover movement mechanism provided by an embodiment of the present application in the direction of D-D; Figure 12

[0050] Figure 15 is a structural schematic diagram of the sliding plate of the sliding charging port protective cover movement mechanism provided by an embodiment of the present application;

[0051] Figure 16 is a structural schematic diagram of the flexible shaft of the sliding charging port protective cover movement mechanism provided by an embodiment of the present application;

[0052] ​​​​Figure 17 Figure 1 is a structural diagram of a flexible shaft and a gear engagement structure of a sliding charging port protective cover movement mechanism according to an embodiment of the present application.

[0053] The reference signs in the specification are as follows:

[0054] 1, housing;

[0055] 11, upper housing; 111, charging opening;

[0056] 12, lower housing; 121, first housing passage; 122, second housing passage;

[0057] 2, protective cover;

[0058] 21, sliding frame; 211, first sliding pin; 212, second sliding pin; 213, third sliding pin; 214, fourth sliding pin; 22, decorative cover;

[0059] 3, guide rail;

[0060] 31, guide rail drive passage; 311, opening slot; 32, guide rail containing passage; 33, first guide slot; 34, second guide slot; 35, notch;

[0061] 4, sliding plate;

[0062] 41, first sliding groove; 411, first idle stroke section; 412, first translation guide section; 413, first flip guide section; 414, first circular arc transition section; 415, first landing section;

[0063] 42, second sliding groove; 421, first idle stroke section; 422, first translation guide section; 423, first flip guide section; 424, first circular arc transition section; 425, first landing section;

[0064] 43, sliding foot assembly; 431, first sliding foot; 432, second sliding foot; 433, third sliding foot; 434, fourth sliding foot; 44, first protrusion; 45, second protrusion;

[0065] 5, flexible shaft;

[0066] 51, first layer of steel wire; 52, second layer of steel wire; 53, third layer of spring steel wire; 54, mandrel; 55, nylon;

[0067] 6, drive mechanism; 61, motor; 62, gear;

[0068] 7, limit block; 71, limit slot;

[0069] 8, flexible shaft connecting block; 81, connecting ring; 82, connecting plate;

[0070] 9, charging port seat. DETAILED DESCRIPTION

[0071] In order to make the technical problems solved by the present application, technical solutions and beneficial effects clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the present application.

[0072] As shown in Figures 1-17 The sliding charging port protective cover movement mechanism provided by the embodiment of the present application comprises a shell 1, a protective cover 2, two guide rails 3, two sliding plates 4, two flexible shafts 5 and a driving mechanism 6. The shell 1 is provided with a charging opening 111. The protective cover 2 is used to open or close the charging opening 111. The two guide rails 3 are arranged in parallel on the two sides of the protective cover 2 and are fixed on the shell 1. The two sliding plates 4 are arranged in parallel on the two sides of the protective cover 2 and are slidingly connected to the guide rails 3. The guide rails 3 are provided with guide rail driving channels 31 extending along the length direction of the guide rails 3. The two flexible shafts 5 are slidingly inserted into the guide rail driving channels 31 and are fixedly connected to the sliding plates 4. The first sliding groove 41 and the second sliding groove 42 are arranged on each of the sliding plates 4. The protective cover 2 is provided with the first slide pin 211 and the second slide pin 212 on the side facing each of the sliding plates 4. The first slide pin 211 is slidingly connected to the first sliding groove 41 of the same side of the sliding plate 4. The second slide pin 212 is slidingly connected to the second sliding groove 42 of the same side of the sliding plate 4.

[0073] The driving mechanism 6 is used to drive the flexible shaft 5 to move along the guide rail driving channel 31, so as to drive the sliding plate 4 to slide along the guide rail 3. The first slide pin 211 slides relative to the first sliding groove 41 and the second slide pin 212 slides relative to the second sliding groove 42, so as to drive the protective cover 2 to slide back and forth between the closed position and the open position.

[0074] In the closed position of the protective cover 2, the protective cover 2 covers the charging opening 111. In the open position of the protective cover 2, the protective cover 2 is hidden inside the body panel of the vehicle around the charging opening 111.

[0075] In an embodiment, the first slide bolt 211 is provided with a first slide bolt head at the end of the first slide groove 41 in sliding connection, which is tightly attached to the slide plate 4 to avoid the first slide bolt 211 from moving along its length direction, thus making the sliding connection with the first slide groove 41 more stable; the second slide bolt 212 is provided with a second slide bolt head at the end of the second slide groove 42 in sliding connection, which is tightly attached to the slide plate 4 to avoid the second slide bolt 212 from moving along its length direction, thus making the sliding connection with the second slide groove 42 more stable.

[0076] In an embodiment, the side of each guide rail 3 away from the slide plate 4 is provided with a guide rail containing channel 32 parallel to the guide rail driving channel 31; the shell 1 is provided with a first shell channel 121 and a second shell channel 122, and the first shell channel 121 intersects with the second shell channel 122. The guide rail driving channel 31 of the first guide rail 3, the first shell channel 121 and the guide rail containing channel 32 of the second guide rail 3 are sequentially connected to form a first guide space for the movement of the first flexible shaft 5, and the guide rail driving channel 31 of the second guide rail 3, the second shell channel 122 and the guide rail containing channel 32 of the first guide rail 3 are sequentially connected to form a second guide space for the movement of the second flexible shaft 5. The guide rail containing channel 32 of the second guide rail 3 is used to contain the first flexible shaft 5 together with the first shell channel 121 when the protective cover 2 opens the charging opening 111, and the guide rail containing channel 32 of the first guide rail 3 is used to contain the second flexible shaft 5 together with the second shell channel 122 when the protective cover 2 opens the charging opening 111.

[0077] In an embodiment, the flexible shaft includes a core rod 54, a first layer of steel wire 51, a second layer of steel wire 52, a third layer of spring steel wire 52 and nylon 55, the first layer of steel wire 51 is wound on the core rod 54, the second layer of steel wire 52 is wound on the first layer of steel wire 51, the third layer of spring steel wire 53 is wound on the second layer of steel wire 52, and the nylon 55 is arranged in the gap of the third layer of spring steel wire 53 in a flocked manner. Preferably, the specification of the nylon 55 is PA6x1.5mm.

[0078] In an embodiment, the driving mechanism 6 comprises a motor 61 and a gear 62, the motor 61 is used to drive the gear 62 to rotate, the gear 62 is located between the first shell passage 121 and the second shell passage 122, and the gear 62 is engaged with the third layer of spring steel wires 53 of the two flexible shafts 5 at the same time, so as to drive the two flexible shafts 5 to move along the respective guide driving passages 31 at the same time. The gear 62 is engaged with the third layer of spring steel wires 53 of the flexible shafts which are flocked with nylon 55. Compared with the traditional gear and rack engagement structure, the strength is higher, the transmission is more stable, the risk of broken teeth under heavy load can be avoided, and the cooperation gap is smaller, which can buffer vibration and avoid abnormal noise.

[0079] In an embodiment, the first sliding chute 41 comprises a first movement guiding section and a first landing section 415, the tail end of the first movement guiding section communicates with the first landing section 415, and the second sliding chute 42 comprises a second movement guiding section and a second landing section 425, the tail end of the second movement guiding section communicates with the second landing section 425.

[0080] In the process that the protective cover 2 opens the charging opening 111, when the first sliding pin 211 slides from the starting end to the tail end of the first movement guiding section relative to the sliding plate 4, the second sliding pin 212 slides from the starting end to the tail end of the second movement guiding section, so as to guide the protective cover 2 to translate by a predetermined distance inward from the closed position; after the first sliding pin 211 is located in the first landing section 415 and the second sliding pin 212 is located in the second landing section 425, the protective cover 2 slides to the open position under the driving of the sliding plate 4; in the process that the protective cover 2 closes the charging opening 111, when the first sliding pin 211 is located in the first landing section 415 and the second sliding pin 212 is located in the second landing section 425, the protective cover 2 slides under the driving of the sliding plate 4 until the first sliding pin 211 enters the tail end of the first movement guiding section from the first landing section 415, and the second sliding pin 212 enters the tail end of the second movement guiding section from the second landing section 425; the first sliding pin 211 slides from the tail end to the starting end of the first movement guiding section relative to the sliding plate 4, and the second sliding pin 212 slides from the tail end to the starting end of the second movement guiding section, so as to guide the protective cover 2 to translate by a predetermined distance outward and completely cover the charging opening 111.

[0081] In an embodiment, the protective cover 2 is further provided with a third sliding pin 213 on the side facing the sliding plate 4, one end of the guide rail 3 is provided with a limiting groove 71, and the guide rail 3 is provided with a first guide groove 33 which communicates with the limiting groove 71 along the length direction of the guide rail 3, and the first guide groove 33 is located on the outer side of the guide driving passage 31.

[0082] In the closed position of the protective cover 2, the third slide pin 213 is accommodated in the limiting groove 71 to limit the sliding of the protective cover 2 along the guide rail 3; after the protective cover 2 is translated by a predetermined distance from the closed position, the third slide pin 213 leaves the limiting groove 71 and enters the first guide groove 33 to allow the protective cover 2 to slide along the guide rail 3. When the protective cover 2 is in the closed position, the cooperation of the first slide pin 211 with the first slide groove 41 and the cooperation of the second slide pin 212 with the second slide groove 42 limit the inward translation of the protective cover 2, and the cooperation of the third slide pin 213 with the limiting groove 71 limits the sliding of the protective cover 2 along the guide rail 3, which together constitute a self-locking of the protective cover 2, so that the protective cover 2 cannot be pushed from the outside of the vehicle body sheet metal. Compared with the prior art, the entire sliding charging port protective cover movement mechanism saves an electric locker.

[0083] In an embodiment, a limiting block 7 is fixed on the guide rail 3, and the limiting groove 71 is formed on the limiting block 7, and the slot of the limiting groove 71 is communicated with the first guide groove 33.

[0084] In an embodiment, the protective cover 2 is further provided with a fourth slide pin 214 on one side of the slide plate 4, and the guide rail 3 is provided with a gap 35 communicated with the first guide groove 33, and the gap 35 is communicated with the first guide groove 33, and in the closed position of the protective cover 2, the fourth slide pin 214 is located outside the gap 35.

[0085] After the protective cover 2 is translated by a predetermined distance from the closed position, the protective cover 2 is flipped by a predetermined angle around the third slide pin 213, and the fourth slide pin 214 enters the first guide groove 33, so that the fourth slide pin 214 and the third slide pin 213 slide in the first guide groove 33, and the protective cover 2 is slidably connected with the guide rail 3 through the third slide pin 213 and the fourth slide pin 214.

[0086] In other embodiments, the protective cover is provided with a fourth slide pin on one side thereof facing the slide plate, the guide rail is provided with a fourth sliding groove parallel to the first guide groove, the guide rail is provided with a notch communicating with the fourth sliding groove, the notch communicates with the fourth sliding groove, and in the closed position of the protective cover, the fourth slide pin is located outside the notch. After the protective cover is translated by a predetermined distance inward from the closed position, the protective cover is flipped by a predetermined angle around the third slide pin, the fourth slide pin enters the fourth sliding groove, so that the fourth slide pin slides in the fourth sliding groove. The sliding process of the fourth slide pin in the fourth sliding groove is synchronized with the sliding process of the third slide pin in the first guide groove, so that the protective cover is in sliding cooperation with the guide rail through the third slide pin and the fourth slide pin.

[0087] In an embodiment, the first movement guide section includes a first translation guide section 412 and a first flip guide section 413 communicating between the first translation guide section 412 and the first landing section 415, and the second movement guide section includes a second translation guide section 422 and a second flip guide section 423 communicating between the second translation guide section 422 and the second landing section 425. The first translation guide section 412 and the second translation guide section 422 are arc-shaped sliding grooves, and the first flip guide section 413 and the second flip guide section 423 are linear section sliding grooves inclined relative to the guide rail 3.

[0088] When the first slide pin 211 slides along the first translation guide section 412 relative to the slide plate 4 toward the first flip guide section 413, the second slide pin 212 slides along the second translation guide section 422 relative to the slide plate toward the second flip guide section 423 to guide the protective cover 2 to be translated by a predetermined distance inward from the closed position.

[0089] When the first slide pin 211 slides along the first flip guide section 413 relative to the slide plate 2 toward the first landing section 415, the second slide pin 212 slides along the second flip guide section 423 toward the second landing section 425 to guide the protective cover 2 to be flipped by a predetermined angle around the third slide pin 213.

[0090] In an embodiment, the first movement guiding section further comprises a first idle stroke section 411 at the start position of the first sliding groove 41, and the second movement guiding section further comprises a second idle stroke section 421 at the start position of the second sliding groove 42; when the first slide pin 211 slides along the first idle stroke section 411 relative to the sliding plate 4, the second slide pin 212 slides along the second idle stroke section 421 relative to the sliding plate 4. The first idle stroke section 411 and the second idle stroke section 421 are parallel to the guide rail 3, so that the position of the protective cover 2 relative to the shell 1 does not change when the first slide pin 211 slides along the first idle stroke section 411 and the second slide pin 212 slides along the second idle stroke section 421. The first idle stroke section 411 and the second idle stroke section 421 can avoid the error of the sliding plate 4 sliding along the guide rail 3 when the charging opening 111 is closed, so that the protective cover 2 cannot accurately translate outward by a predetermined distance to completely close the charging opening 111.

[0091] In an embodiment, the first movement guiding section further comprises a first circular arc transition section 414 connected between the first flip guiding section 413 and the first landing section 415, and the second movement guiding section further comprises a second circular arc transition section 424 connected between the second flip guiding section 423 and the second landing section 425; the first idle stroke section 411 and the first translation guiding section 412 are located on the outer side of the first flip guiding section 413, the first circular arc transition section 414 and the first landing section 415 are located on the inner side of the first flip guiding section 413, the second idle stroke section 421 and the second translation guiding section 422 are located on the outer side of the second flip guiding section 423, and the second circular arc transition section 424 and the second landing section 425 are located on the outer side of the second flip guiding section 423.

[0092] In the process of opening the charging opening 111 by the protective cover 2, the first slide pin 211 enters the first landing section 415 through the first circular arc transition section 414, and the second slide pin 212 enters the second landing section 425 through the second circular arc transition section 424. After the first slide pin 121 is located in the first landing section 415 and the second slide pin 212 is located in the second landing section 425, the protective cover 2 is driven by the slide plate 4 to slide to the open position. In the process of closing the charging opening 111 by the protective cover 2, the first slide pin 211 enters the first flip guide section 413 through the first circular arc transition section 414, and the second slide pin 212 enters the second flip guide section 423 through the second circular arc transition section 424. When the first slide pin 211 is located in the first landing section 415 and the second slide pin 212 is located in the second landing section 425, the slide plate 4 drives the protective cover 2 to slide along the guide rail 3 in a direction to open the charging opening 111; when the first slide pin 211 slides along the first flip guide section 413 to the first translation guide section 412, the second slide pin 212 slides along the second flip guide section 423 to the second translation guide section 422, and the protective cover 2 reverses by a predetermined angle of the same size compared with the process of opening the charging opening 111; when the first slide pin 211 slides along the first translation guide section 412 to the first idle stroke section 411, the second slide pin 212 slides along the second translation guide section 422 to the second idle stroke section 421, and the protective cover 2 translates outward by a predetermined distance of the same size compared with the process of opening the charging opening 111.

[0093] In an embodiment, the guide rail 3 is provided with a second guide groove 34 parallel to the guide rail driving channel 31 on the side close to the slide plate 4, and the opening of the second guide groove 34 faces outward.

[0094] The side of the sliding plate 4 facing the guide rail 3 is provided with a slide foot assembly 43, which includes a first slide foot 431, a second slide foot 432, a third slide foot 433 and a fourth slide foot 434, and the first slide foot 431, the second slide foot 432, the third slide foot 433 and the fourth slide foot 434 are elastic; the first slide foot 431 and the fourth slide foot 434 are identical in shape, both being a circular rectangular frame with equal size, and the first slide foot 431 and the fourth slide foot 434 are slidingly arranged in the second guide groove 34 along the same movement track; the second slide foot 432 and the third slide foot 433 are identical in shape, both being a circular rectangular frame with equal size, and the second slide foot 432 and the third slide foot 433 slidingly abut the bottom wall of the second guide groove 34 along the same movement track. The first slide foot 431, the second slide foot 432, the third slide foot 433 and the fourth slide foot 434 are all slidingly connected with the second guide groove 34, and any three of the first slide foot 431, the second slide foot 432, the third slide foot 433 and the fourth slide foot 434 can form a stable triangle, so that the sliding of the sliding plate 4 along the guide rail 3 is more stable. The first slide foot 431, the second slide foot 432, the third slide foot 433 and the fourth slide foot 434 are elastic, which can make the slide foot assembly 43 and the second guide groove 34 interference fit to form a spring bridge, thereby avoiding the abnormal noise caused by the gap between mechanisms when the whole vehicle bumps.

[0095] In an embodiment, the sliding charging port protection cover movement mechanism further includes a flexible shaft connecting piece 8, the inner side of the guide rail driving channel 31 is provided with an opening groove 311, the flexible shaft connecting piece 8 includes a connecting ring 81 and a connecting plate 82, the connecting ring 81 is fixed on the outer circumferential surface of the flexible shaft 5, the connecting plate 82 passes through the opening groove 311, one end of the connecting plate 82 is fixed on the connecting ring 81, and the other end of the connecting plate 82 is coupled and connected on the sliding plate 4.

[0096] Preferably, the end of the connecting plate 82 fixed on the sliding plate 4 is provided with a first recess and a second recess which are symmetrical to each other on both sides along the sliding direction of the sliding plate 4, the sliding plate 4 is provided with a first protrusion 44 and a second protrusion 45 which are spaced apart along the front and back directions of sliding on the side facing the flexible shaft 5, and the first protrusion 44 and the second protrusion 45 are located between the second slide foot 432 and the third slide foot 433, the first protrusion 44 is inserted into the first recess, and the second protrusion 45 is inserted into the second recess, so as to realize the coupling and connection of the connecting plate 82 and the sliding plate 4.

[0097] In other embodiments, the flexible shaft, the flexible shaft connecting piece and the sliding plate can also be integrally injection molded to realize the fixation of the flexible shaft and the sliding plate.

[0098] In an embodiment, the protective cover 2 comprises a sliding frame 21 and a decorative cover 22 covering the outer side of the sliding frame 21, and in the closed position of the protective cover 2, the outer surface of the decorative cover 22 is flush with the body panel around the charging opening 111, so as to achieve that the protective cover 2 neither protrudes outwardly nor recesses inwardly, so that the connection of the protective cover 2 with the body panel is more beautiful, and at the same time, it can also avoid the scratch accident caused by the outward protrusion of the protective cover, and it is an ergonomic design.

[0099] In an embodiment, the shell 1 comprises an upper shell 11 and a lower shell 12, the upper shell 11 covers the lower shell 12, the upper shell 11 is sealingly connected to the body panel, the lower shell 12 forms a cavity between the upper shell 11 and the body panel, the guide rail 3 is fixed to the inner side of the lower shell 12, the charging opening 111 is arranged on the upper shell 11, and the sliding plate 4 and the driving mechanism 6 are arranged in the cavity.

[0100] According to the sliding charging port protective cover movement mechanism of the embodiment of the present application, the guide rail is fixed to the shell, the flexible shaft moves in the guide rail driving channel and is directly fixed to the sliding plate, the sliding plate slides along the guide rail, the sliding plate is slidingly connected to the first slide pin and the second slide pin of the protective cover through the first sliding groove and the second sliding groove, and the protective cover is slidingly connected to the guide rail through the third slide pin and the fourth slide pin; that is, the flexible shaft is integrated with the guide rail, the sliding plate and the protective cover all slide along the guide rail, and the sliding plate drives the protective cover to slide; compared with the transmission mechanism of the existing charging port protective cover, the cooperation relationship among the flexible shaft, the guide rail, the sliding plate and the protective cover is more close, the space utilization rate is higher, and the automobile whole vehicle space occupied is smaller, so that it can be better applied to the platform production.

[0101] In the process of slidingly opening the charging opening by the protective cover, the relative sliding of the first slide pin and the second slide pin in the first movement guide channel and the second movement guide channel to the sliding plate will make the third slide pin and the fourth slide pin enter the first guide groove of the guide rail due to the translation of the protective cover to the inner side of the body panel by a predetermined distance and the rotation of the protective cover around the third slide pin by a predetermined angle, so as to slidingly connect the protective cover to the guide rail, the first slide pin and the second slide pin are respectively abutted in the first falling position section and the second falling position section, the sliding plate drives the protective cover to slide along the first guide groove until the charging opening is completely opened. In the process of slidingly closing the charging opening by the protective cover, the first slide pin and the second slide pin are respectively abutted in the first falling position section and the second falling position section, the sliding plate drives the protective cover to reversely slide along the first guide groove until the protective cover moves to the initial position of the slidingly connecting to the guide rail in the opening process of the charging opening; the first slide pin and the second slide pin enter the first movement guide channel and the second movement guide channel to slide relative to the sliding plate, so as to reversely rotate the protective cover around the third slide pin by a predetermined angle, translate the protective cover to the outer side of the body panel by a predetermined distance, and completely close the charging opening.

[0102] It can be seen that, in the process of opening the charging opening, the protective cover has a movement trajectory perpendicular to the normal direction of the protective cover and inward when the first slide pin and the second slide pin are just sliding relative to the slide plate into the first movement guide channel and the second movement guide channel; in the process of closing the charging opening, the first slide pin and the second slide pin have a movement trajectory perpendicular to the normal direction of the protective cover and outward at the end of the sliding relative to the slide plate in the first movement guide channel and the second movement guide channel. Because the protective cover has the above two movement trajectories, the protective cover can be self-locked when the first slide pin and the second slide pin are not sliding relative to the slide plate in the first movement guide channel and the second movement guide channel. Moreover, the two movement trajectories of the protective cover can make the protective cover flush with the body panel, so that the protective cover is more beautiful when installed on the body panel. Therefore, the movement trajectory of the protective cover is more optimal than the movement trajectory of the hidden sliding protective cover in the prior art.

[0103] In other embodiments, only the guide rail driving channel can be provided on the guide rail, and no guide rail containing channel is provided, and the flexible shaft moves between the housing and the guide rail driving channel.

[0104] In other embodiments, the guide rail, the flexible shaft, and the slide plate are provided on one side of the protective cover, the housing is provided with a housing containing channel in communication with the guide rail driving channel, and the flexible shaft moves in a movement space formed by the housing containing channel and the guide rail driving channel.

[0105] In addition, an embodiment of the present application further provides a charging port assembly, which comprises a charging port seat 9 and the sliding charging port protective cover movement mechanism in the above embodiment, and the charging port seat 9 is located on the inner side of the charging opening 111.

[0106] In addition, an embodiment of the present application further provides an automobile, which comprises the sliding charging port protective cover movement mechanism in the above embodiment.

[0107] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sliding charging port protective cover movement mechanism, characterized in that, The device includes a housing, a protective cover, a guide rail, a sliding plate, a flexible shaft, and a drive mechanism. The housing has a charging opening, and the protective cover is used to open or close the charging opening. The guide rail is fixed to the housing, and the sliding plate is slidably connected to the guide rail. The guide rail has a guide rail drive channel extending along its length, and the flexible shaft is slidably inserted into the guide rail drive channel and dynamically coupled to the sliding plate. The sliding plate has a first slide groove and a second slide groove. The protective cover has a first sliding pin and a second sliding pin on the side facing the sliding plate. The first sliding pin is slidably connected to the first slide groove, and the second sliding pin is slidably connected to the second slide groove. The driving mechanism is used to drive the flexible shaft to move along the guide rail drive channel, so as to drive the slide plate to slide along the guide rail. The protective cover is driven to slide back and forth between the closed position and the open position by the sliding of the first sliding pin relative to the first sliding groove and the sliding of the second sliding pin relative to the second sliding groove. In the closed position, the protective cover covers the charging opening; in the open position, the protective cover is hidden inside the body panel surrounding the charging opening.

2. The sliding charging port protective cover movement mechanism according to claim 1, characterized in that, The first chute includes a first motion guide section and a first placement section, the tail end of the first motion guide section is connected to the first placement section, and the second chute includes a second motion guide section and a second placement section, the tail end of the second motion guide section is connected to the second placement section; When the first sliding pin slides relative to the slide plate from the starting end to the tail end of the first motion guide section, the second sliding pin slides from the starting end to the tail end of the second motion guide section to guide the protective cover to move inward a predetermined distance from the closed position; after the first sliding pin is in the first positioning section and the second sliding pin is in the second positioning section, the protective cover slides to the open position under the action of the slide plate.

3. The sliding charging port protective cover movement mechanism according to claim 2, characterized in that, The protective cover is also provided with a third sliding pin on the side facing the slide plate. One end of the guide rail is provided with a limiting groove. The guide rail is provided with a first guide groove communicating with the limiting groove along its length direction. The first guide groove is located outside the guide rail drive channel. In the closed position of the protective cover, the third sliding pin is accommodated in the limiting groove to restrict the protective cover from sliding along the guide rail; after the protective cover moves a predetermined distance inward from the closed position, the third sliding pin leaves the limiting groove and enters the first guide groove to allow the protective cover to slide along the guide rail.

4. The sliding charging port protective cover movement mechanism according to claim 3, characterized in that, The protective cover is also provided with a fourth sliding pin on the side facing the slide plate. The guide rail is provided with a notch that communicates with the first guide groove. The notch communicates with the first guide groove. In the closed position of the protective cover, the fourth sliding pin is located outside the notch. After the protective cover moves inward a predetermined distance from the closed position, the protective cover rotates around the third sliding pin by a predetermined angle, and the fourth sliding pin enters the first guide groove so that the fourth sliding pin and the third sliding pin slide together in the first guide groove. The protective cover slides with the guide rail through the third sliding pin and the fourth sliding pin.

5. The sliding charging port protective cover movement mechanism according to claim 3, characterized in that, The protective cover is provided with a fourth sliding pin on the side facing the slide plate. The guide rail is provided with a fourth sliding groove parallel to the first guide groove. The guide rail is provided with a notch communicating with the fourth sliding groove. The notch communicates with the fourth sliding groove. In the closed position of the protective cover, the fourth sliding pin is located outside the notch. After the protective cover moves inward a predetermined distance from the closed position, the protective cover rotates around the third sliding pin by a predetermined angle, and the fourth sliding pin enters the fourth sliding groove so that the fourth sliding pin slides in the fourth sliding groove. The sliding process of the fourth sliding pin in the fourth sliding groove is synchronized with the sliding process of the third sliding pin in the first guide groove, so that the protective cover slides with the guide rail through the third sliding pin and the fourth sliding pin.

6. The sliding charging port protective cover movement mechanism according to claim 4, characterized in that, The first motion guide segment includes a first translation guide segment and a first flip guide segment connecting the first translation guide segment and the first placement segment; the second motion guide segment includes a second translation guide segment and a second flip guide segment connecting the second translation guide segment and the second placement segment. When the first sliding pin slides relative to the slide plate along the first translation guide section toward the first flip guide section, the second sliding pin slides relative to the slide plate along the second translation guide section toward the second flip guide section, so as to guide the protective cover to translate inward a predetermined distance from the closed position; When the first slide pin slides relative to the slide plate along the first flip guide section toward the first placement section, the second slide pin slides along the second flip guide section toward the second placement section to guide the protective cover to flip around the third slide pin by a predetermined angle.

7. The sliding charging port protective cover movement mechanism according to claim 6, characterized in that, The first motion guide section further includes a first empty travel section located at the starting position of the first slide, and the second motion guide section further includes a second empty travel section located at the starting position of the second slide; When the first sliding pin slides relative to the slide plate along the first empty travel segment, the second sliding pin slides relative to the slide plate along the second empty travel segment, and the position of the protective cover relative to the housing does not change.

8. The sliding charging port protective cover movement mechanism according to claim 7, characterized in that, The first motion guide segment further includes a first arc transition segment connecting the first flip guide segment and the first landing segment. The second motion guide segment further includes a second arc transition segment connecting the second flip guide segment and the second landing segment. The first idle stroke segment and the first translation guide segment are located outside the first flip guide segment. The first arc transition segment and the first landing segment are located inside the first flip guide segment. The second idle stroke segment and the second translation guide segment are located outside the second flip guide segment. The second arc transition segment and the second landing segment are located outside the second flip guide segment.

9. The sliding charging port protective cover movement mechanism according to claim 1, characterized in that, The sliding charging port protective cover motion mechanism also includes a flexible shaft connector. An opening groove is provided on the inner side of the guide rail drive channel. The flexible shaft connector includes a connecting ring and a connecting plate. The connecting ring is fixed on the outer circumferential surface of the flexible shaft. The connecting plate passes through the opening groove. One end of the connecting plate is fixed on the connecting ring, and the other end of the connecting plate is coupled to the sliding plate.

10. The sliding charging port protective cover movement mechanism according to claim 1, characterized in that, The guide rail has a second guide groove on the side near the slide plate that is parallel to the guide rail drive channel, and the opening of the second guide groove faces outward. The slide plate is provided with a sliding foot assembly on the side facing the guide rail. The sliding foot assembly includes a first sliding foot, a second sliding foot, a third sliding foot, and a fourth sliding foot. The first sliding foot, the second sliding foot, the third sliding foot, and the fourth sliding foot are elastic. The first sliding foot and the fourth sliding foot are slidably disposed in the second guide groove, and the second sliding foot and the third sliding foot slidably abut against the bottom wall of the second guide groove.

11. The sliding charging port protective cover movement mechanism according to claim 1, characterized in that, The flexible shaft includes a mandrel, a first layer of steel wire, a second layer of steel wire, a third layer of spring steel wire, and nylon. The first layer of steel wire is wound around the mandrel, the second layer of steel wire is wound around the first layer of steel wire, the third layer of spring steel wire is wound around the second layer of steel wire, and the nylon is flocked in the gaps of the third layer of spring steel wire.

12. The sliding charging port protective cover movement mechanism according to claim 11, characterized in that, The drive mechanism includes a motor and a gear. The gear meshes with the third layer of spring steel wire. The motor drives the gear to rotate, thereby moving the flexible shaft along the guide rail drive channel.

13. The sliding charging port protective cover movement mechanism according to claim 1, characterized in that, Two guide rails are provided, arranged parallel to each other on both sides of the protective cover; two sliding plates are provided, arranged parallel to each other on both sides of the protective cover, each sliding plate being slidably connected to the guide rail on the same side; the protective cover has a first sliding pin and a second sliding pin on both sides facing the sliding plate, each first sliding pin being slidably connected to a first groove of the sliding plate on the same side, and each second sliding pin being slidably connected to a second groove of the sliding plate on the same side; two flexible shafts are provided, each flexible shaft being slidably inserted into the guide rail drive channel of the corresponding guide rail and fixedly connected to the corresponding sliding plate.

14. The sliding charging port protective cover movement mechanism according to claim 13, characterized in that, The housing is provided with a first housing channel and a second housing channel, and each guide rail has a guide rail receiving channel parallel to the guide rail driving channel on the side opposite to the slide plate. The guide rail drive channel, the first housing channel, and the guide rail receiving channel of the first guide rail are sequentially connected to form a first guide space for the movement of the first flexible shaft. The guide rail drive channel, the second housing channel, and the guide rail receiving channel of the first guide rail are sequentially connected to form a second guide space for the movement of the second flexible shaft.

15. The sliding charging port protective cover movement mechanism according to claim 14, characterized in that, The driving mechanism includes a motor and gears. The outer ring of the flexible shaft is provided with a meshing member. The gear meshes with the meshing members of both flexible shafts simultaneously. The motor is used to drive the gear to rotate, so as to simultaneously drive the two flexible shafts to move along their respective guide rail drive channels.

16. A charging port assembly, characterized in that, The device includes a charging port holder and a sliding charging port protective cover movement mechanism as described in any one of claims 1-15, wherein the charging port holder is located inside the charging opening.

17. A car, characterized in that, Includes the sliding charging port protective cover movement mechanism as described in any one of claims 1-15; or the charging port assembly as described in claim 16.

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