Electronic locking actuator for charging port cover of new energy automobile

Abstract

The utility model provides a new energy automobile charging port cover electronic locking actuator which comprises a driving assembly, one end of the driving assembly is connected with a spring bolt, and the other end of the spring bolt is connected with a charging port cover. The driving assembly comprises a screw gear and a transmission rod arranged on the screw gear, one end of the transmission rod is connected with the spring bolt, the screw gear and the driving motor form a gear transmission pair, the driving motor works to drive the screw gear to work, and the screw gear drives the spring bolt to act through the transmission rod. The beneficial effects of the utility model are that the charging port cover does not need to be matched with the movement of other parts for transmission, and is not affected by the failure of other parts. The whole structure is compact, and the occupied space is small. Meanwhile, transmission among all the parts is more direct and effective, the modularization degree is high, replacement can be conducted according to needs, and cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobiles, and in particular relates to an electronic locking actuator for a charging port cover of a new energy vehicle. Background Art

[0002] New energy vehicles refer to vehicles that use non-traditional automotive fuels or new power devices as power sources, and use advanced power control and drive technologies in combination, with new technologies and new structures. The charging port cover of new energy vehicles has evolved from the fuel cap or fuel tank cap of traditional fuel vehicles. At present, the market basically requires that the fuel or charging port cover will not be automatically thrown away during the driving of the car, and will not be opened without authorization when the car is parked and the engine is turned off or the whole vehicle loses power. This requires the fuel or charging port cover to have an effective locking function to prevent the fuel or charging port cover from accidentally opening and illegally opening due to centrifugal force during the driving of the vehicle, causing losses. On the fuel cap of traditional fuel vehicles, the user's human intervention is usually required, and the pure mechanical structure cannot achieve intelligent control of the whole vehicle. If an additional locking mechanism is used, the charging port cover can be better positioned, and the gap and surface difference between the charging port cover and the body-in-white sheet metal can be better controlled, which is conducive to the beauty of the local body around the charging port cover. As a result, a cover actuator with a self-locking function was born, but the structure to achieve the self-locking function is complex, resulting in a correspondingly complex control logic of the whole vehicle. Some structures that use gear linkage for locking have long transmission paths, which can easily lead to linkage failure, affecting transmission efficiency and stability. The gear linkage box has a low degree of modularity, occupies a large space, and usually needs to work in conjunction with other parts of the charging port cover, such as the gear shaft. Once it fails, the maintenance and replacement efficiency is low, which invisibly increases the cost. Utility Model Content

[0003] The utility model provides an electronic locking actuator for a charging port cover of a new energy vehicle, which has a compact structure and does not require the movement of other parts of the charging port cover as a transmission, and has a low failure rate.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] The electronic locking actuator of the charging port cover of a new energy vehicle includes a driving component, one end of which is connected to a lock tongue, and the other end of which is connected to the charging port cover; the driving component includes a screw gear and a transmission rod arranged on the screw gear, one end of the transmission rod is connected to the lock tongue, the screw gear and the driving motor form a gear transmission pair, the driving motor works to drive the screw gear to work, and the screw gear drives the lock tongue to move through the transmission rod.

[0006] Preferably, the screw gear comprises a screw segment and a gear arranged at one end of the screw segment, and the gear is meshed with a driving gear connected to the driving motor.

[0007] Preferably, the transmission rod and the screw gear form a thread pair, a threaded hole is opened at one end of the transmission rod, the screw segment of the screw gear is connected to the transmission rod through the threaded hole, and the thread on the screw segment is a discontinuous thread.

[0008] Preferably, the other end of the transmission rod is hard-connected to one end of the locking tongue.

[0009] Preferably, a shell is disposed outside the driving assembly, and one end of the transmission rod extends out of the shell and is connected to a locking tongue.

[0010] Preferably, the driving motor of the driving assembly is electrically connected to a connector outside the housing.

[0011] Preferably, the screw gear is an integral injection-molded part.

[0012] The beneficial effects of the utility model are as follows: the utility model does not need to cooperate with the movement of other parts of the charging port cover for transmission, and is not affected by the failure of other parts. The overall structure is compact and occupies a small space. At the same time, the transmission between the various parts is more direct and effective, with a high degree of modularization, and can be replaced as needed, reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 : A three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 : Explosion diagram of the utility model.

[0016] Figure 3 : A schematic cross-sectional view of the utility model, in which the upper cover is hidden.

[0017] Figure 4 : A schematic structural diagram of a threaded screw of the utility model.

[0018] Figure 5 : A schematic diagram of the structure of the utility model connected to the charging port cover.

[0019] Figure 6 : The utility model Figure 5 Schematic diagram of the cross-sectional structure, which shows the position status of the lock end and the lock limit hole of the charging port cover in the locked state.

[0020] Figure 7 : The utility model Figure 5 Schematic diagram of the cross-sectional structure, which shows the position status of the lock end and the lock limit hole of the charging port cover in the unlocked state. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the present invention more clear, the following Figure 1-Figure 4 It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0022] The utility model proposes an electronic locking actuator for a charging port cover of a new energy vehicle, comprising a housing 1, wherein the housing 1 consists of a shell 11 and an upper cover 12 matched with the shell 11, and the shell 11 and the upper cover 12 are connected by a buckle.

[0023] A driving assembly is arranged in the housing 1, one end of the driving assembly is connected to a locking tongue 4 arranged outside the housing 1, and the other end of the locking tongue 4 is connected to the charging port cover. The other end of the driving assembly is connected to a connector 2 arranged outside the housing 1. A limiting mechanism for limiting the driving assembly is arranged in the housing 1, and the limiting mechanisms are respectively a lower limiting block 13 arranged at the bottom of the housing 11 and an upper limiting block 14 arranged at the upper part of the housing 11.

[0024] Specifically, the driving assembly includes a screw gear 6 and a transmission rod 3 arranged on the screw gear 6, and the screw gear 6 and the transmission rod 3 form a threaded pair. One end of the transmission rod 3 is connected to the lock tongue 4, and the screw gear 6 and the driving motor 5 form a gear transmission pair. The driving motor 5 forms an electrical connection through the connection terminal 51 of the connector to work, drive the screw gear 6 to work, and the screw gear 6 drives the lock tongue 4 to move through the transmission rod 3. In this embodiment, the driving motor 5 is a DC motor with an overheat protection PTC resistor. When the internal temperature of the motor is too high, the PTC resistance will increase significantly, making the current smaller, causing a circuit breaker effect, thereby automatically protecting the motor.

[0025] The screw gear 6 includes a screw segment 62 and a gear 61 disposed at one end of the screw segment 62, and the gear 61 is meshed with the driving gear 51 connected to the driving motor 5. The screw gear 6 is an integrated injection molded part. In order to improve product quality and avoid barbs in the demoulding direction, the thread on the screw segment 62 is a discontinuous thread, that is, a thread protrusion 622 is disposed on the screw segment 62, and a group of flat grooves 621 are symmetrically disposed on both sides of the thread protrusion 622. The screw gear 6 is connected to the transmission rod 3 through the screw segment 62. The transmission rod 3 includes a hollow section and a connecting section 31, the upper end of the hollow section is provided with a threaded hole 32, and the lower end is provided with a through groove 34. The screw segment 62 of the screw gear enters the transmission rod 3 through the threaded hole 32 and extends into the through groove 34. The transmission rod 3 reciprocates along the axial direction of the screw segment 62.

[0026] During assembly, the lower limit block 13 in the housing 11 is placed in the through slot 34 of the transmission rod 3, and the upper end surface of the hollow section is placed below the upper limit block 14. The axial reciprocating range of the transmission rod 3 is limited by the upper limit block and the lower limit block.

[0027] A slot 41 is formed at one end of the lock tongue 4, and the connecting section 31 of the transmission rod is rigidly connected to the slot 42 of the lock tongue. The movement of the transmission rod will drive the lock tongue to do the same movement at the same time, and the lock end 41 of the lock tongue 4 reciprocates inside and outside the lock limit hole of the charging port cover to lock or unlock the charging port cover.

[0028] In order to better understand the present invention, the following Figure 5-Figure 7 When the locking actuator is connected to the charging port cover 7, a locking or unlocking action is performed.

[0029] The driving motor 5 works, the driving gear 51 rotates, and the driving gear 61 rotates. The rotation of the gear 61 is converted into the axial movement of the transmission rod 3 on the screw segment 62. The transmission rod 3 will simultaneously drive the lock tongue 4 to reciprocate axially, thereby driving the lock end 41 to reciprocate inside and outside the lock limit hole of the charging port cover, thereby locking or unlocking the charging port cover.

[0030] Finally, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The electronic locking actuator for the charging port cover of new energy vehicles is characterized by: It includes a driving component, one end of which is connected to the lock tongue, and the other end of which is connected to the charging port cover; the driving component includes a screw gear and a transmission rod arranged on the screw gear, one end of the transmission rod is connected to the lock tongue, and the screw gear and the driving motor form a gear transmission pair. When the driving motor works, it drives the screw gear to work, and the screw gear drives the lock tongue to move through the transmission rod.

2. The electronic locking actuator for the charging port cover of a new energy vehicle as claimed in claim 1, characterized in that: The screw gear comprises a screw segment and a gear arranged at one end of the screw segment, and the gear is meshed with a driving gear connected to a driving motor.

3. The electronic locking actuator for the charging port cover of a new energy vehicle as claimed in claim 2, characterized in that: The transmission rod and the screw gear form a thread pair, a threaded hole is opened at one end of the transmission rod, the screw segment of the screw gear is connected to the transmission rod through the threaded hole, and the thread on the screw segment is a discontinuous thread.

4. The electronic locking actuator for the charging port cover of a new energy vehicle as claimed in claim 3, characterized in that: One end of the locking tongue at the other end of the transmission rod forms a hard connection.

5. The electronic locking actuator for the charging port cover of a new energy vehicle as claimed in claim 4, characterized in that: A shell is arranged outside the driving assembly, and one end of the transmission rod extends out of the shell and is connected with a locking tongue.

6. The electronic locking actuator for the charging port cover of a new energy vehicle as claimed in claim 1, characterized in that: The driving motor of the driving assembly is electrically connected to the connector outside the shell.

7. The electronic locking actuator for the charging port cover of a new energy vehicle as claimed in claim 1, characterized in that: The screw gear is an integral injection-molded part.

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