Electric vehicle door switch driving mechanism

Abstract

The utility model belongs to the technical field of vehicle electric doors, and particularly relates to an electric door switch driving mechanism which comprises a driving assembly and a driving hinge, the driving assembly comprises a motor support, a motor installed on the motor support, a reduction gearbox connected with the output end of the motor and a coupler in linkage with the output end of the reduction gearbox, the motor support is fixedly connected to a vehicle door, the driving hinge comprises a vehicle frame hinge and a vehicle door hinge, the vehicle frame hinge is fixedly connected to a vehicle frame, the vehicle door hinge is fixedly connected to the vehicle door, and the coupler penetrates through the vehicle frame hinge and the vehicle door hinge to form a rotating hinge with the coupler as a rotating shaft. The driving hinge is directly driven by the driving assembly composed of the motor, the reduction gearbox and the coupler to open and close the automobile door, the driving assembly is simple and compact in structure, space is saved, the use space of the automobile door is increased, meanwhile, redundant structural components such as a lead screw nut and a connecting rod are not needed, assembling is easy, and output efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to vehicle electric car door technical field, especially a kind of electric car door switch drive mechanism. BACKGROUND

[0002] Automobile is the traffic tool commonly used in current people's life, with the automobile electrification, intelligentization, network connection, sharing is from "concept" to application landing, people's demand for car, not only limited to travel tool, but also carries navigation, consumption, entertainment, interaction and other aspects of demand related to travel, become another "intelligent center" in life.

[0003] In the field of automobile door, various ideas also like bamboo shoots after spring rain, vigorous development, such as scissors door, hawk wing door, side sliding door, however, the limiter of traditional car door is generally single in structure design, door needs to be manually opened and closed, long-term use, internal structure damage will produce abnormal sound, to further affect the user's experience, unable to meet the current stage automobile product electrification, high quality and other requirements.

[0004] At present, most of the electric door drive mechanisms on the market adopt a speed reduction mechanism to drive a lead screw nut transmission, which simultaneously drives a connecting rod connected to the vehicle body to realize electric opening and closing of the door. Because the mechanism is complex, the efficiency is low, and the lead screw nut is prone to wear and tear, and occupies a large space, it is necessary to design a vehicle door drive mechanism with stable performance and simple structure. SUMMARY

[0005] Therefore, the utility model aims at providing an electric car door switch drive mechanism, to solve the problems of complex structure and low efficiency of existing electric car door using lead screw nut transmission.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides an electric car door switch drive mechanism, which comprises a driving assembly and a driving hinge, the driving assembly comprises a motor support, a motor installed on the motor support, a speed reducer connected with the output end of the motor and a shaft coupling connected with the output end of the speed reducer, the motor support is fixedly connected to the door, the driving hinge comprises a frame hinge and a door hinge, the frame hinge is fixedly connected to the frame, and the door hinge is fixedly connected to the door, the shaft coupling penetrates through the frame hinge and the door hinge, and forms a rotating hinge with the shaft coupling as the rotating shaft.

[0008] Further, the driving hinge comprises an upper driving hinge, the upper driving hinge comprises an upper frame hinge and an upper door hinge, the upper frame hinge comprises a base connected with the frame, and a long block and a short block vertically arranged on the base, the long block and the short block are arranged in parallel and spaced apart, the long block is provided with a mounting hole one, and the top end of the short block is provided with a semicircular notch; the upper door hinge is in U shape, is fixedly connected on the door in side surface, and the U-shaped notch is arranged between the long block and the short block, and the upper and lower surfaces of the upper door hinge are provided with mounting holes two; the shaft coupling is in T shape, the base of the shaft coupling is embedded into the mounting hole one, the base of the shaft coupling is connected with the upper door hinge, the cylindrical segment of the shaft coupling penetrates through the mounting hole two, and the cylindrical segment of the shaft coupling is embedded into the semicircular notch of the short block.

[0009] Further, the driving hinge comprises a lower driving hinge, the lower driving hinge comprises a lower frame hinge and a lower door hinge, the lower frame hinge is fixedly connected on the frame, and one side of the lower door hinge is fixedly connected on the door, and the other side is movably connected on the lower frame hinge through a pin shaft to form a rotating hinge.

[0010] Further, the output end of the reduction box is connected with the shaft coupling by means of a key.

[0011] Further, the motor support, the motor and the reduction box are installed in the shroud.

[0012] The utility model discloses the beneficial effect is:

[0013] 1, the utility model discloses directly through the driving assembly of motor, reduction box and shaft coupling to drive driving hinge action realizes the opening and closing of the door, and the structure of driving assembly is simple, compact, saves the space, increases the use space of the door, and simultaneously because not needing the redundant structural component such as screw rod nut, connecting rod, simple assembly, high output efficiency.

[0014] 2, the utility model discloses that motor can adopt brushless motor, and the reduction gear can adopt star type reduction gear, and transmission is more stable, and the door is more smooth.

[0015] The other advantages, objects and features of the utility model will be described in the subsequent specification to some extent, and to some extent, it will be obvious to those skilled in the art based on the study of the following text or can be taught from the practice of the utility model. The objects and other advantages of the utility model can be realized and obtained by the following specification. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clear, the preferred detailed description of the utility model will be described below with reference to the drawings, in which:

[0017] Fig. 1 It is an explosion view of the electric vehicle door opening and closing driving mechanism of the utility model;

[0018] Fig. 2 It is a schematic view of the electric vehicle door opening and closing driving mechanism of the utility model installed on a vehicle frame.

[0019] The reference signs are as follows: 1 is a motor support, 2 is a motor, 3 is a pin shaft, 4 is a lower vehicle frame hinge, 5 is a lower vehicle door hinge, 6 is a speed reducer, 7 is an upper vehicle door hinge, 8 is an upper vehicle frame hinge, 9 is a shaft coupling, and 10 is a protective cover. DETAILED DESCRIPTION

[0020] The embodiments of the utility model will be described below through specific concrete examples, and other advantages and effects of the utility model can be easily understood by those skilled in the art from the content disclosed in the specification. The utility model can also be implemented or applied through other different concrete embodiments, and various modifications or changes can be made to the details in the specification based on different viewpoints and applications without departing from the spirit of the utility model. It should be noted that the drawings provided in the following examples only illustrate the basic concept of the utility model in a schematic manner, and the following examples and features in the examples can be combined with each other without conflict.

[0021] The drawings are only used for illustrative explanation, and the representation is only a schematic diagram, not a physical diagram, and should not be understood as a limitation on the patent; in order to better illustrate the embodiments of the utility model, some components in the drawings can be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawings can be omitted. In addition, the utility model can repeatedly refer to numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings discussed.

[0022] As Figs. 1-2 shown, the electric vehicle door opening and closing driving mechanism of the utility model comprises a driving assembly and a driving hinge, the driving assembly comprises a motor support 1, a motor 2 installed on the motor support 1, a speed reducer 6 connected with the output end of the motor 2, and a shaft coupling 9 linked with the output end of the speed reducer 6, the motor support 1 is fixedly connected on a vehicle door (not shown in the drawing), the driving hinge comprises a vehicle frame hinge and a vehicle door hinge, the vehicle frame hinge is fixedly connected on a vehicle frame, the vehicle door hinge is fixedly connected on a vehicle door, the shaft coupling 9 penetrates through the vehicle frame hinge and the vehicle door hinge, and constitutes a rotating hinge with the shaft coupling 9 as the rotating shaft.

[0023] When working, the motor 2 drives the reduction box 6 to move, and since the shaft coupling 9 is connected with the output end of the reduction box 6, the shaft coupling 9 is driven to rotate when the reduction box moves, and since the shaft coupling 9 is connected with the door hinge, the rotation between the vehicle frame hinge and the door hinge is forced to occur when the shaft coupling rotates, thereby driving the door to open and close.

[0024] In the embodiment, the driving hinge comprises an upper driving hinge, the upper driving hinge comprises an upper vehicle frame hinge 8 and an upper door hinge 7, the upper vehicle frame hinge 8 comprises a base connected with the vehicle frame, and a long block and a short block vertically arranged on the base, the long block and the short block are arranged in parallel and spaced apart, the long block is provided with a mounting hole one, and the top end of the short block is provided with a semicircular notch; the upper door hinge 7 is in a U shape, and is fixedly connected with the door on the side surface, the U-shaped notch is arranged between the long block and the short block, and the upper door hinge 7 is provided with a mounting hole two on the upper and lower surfaces; the shaft coupling 9 is in a T shape, the base of the shaft coupling 9 is embedded into the mounting hole one, the base of the shaft coupling 9 is connected with the upper door hinge 7, the cylindrical segment of the shaft coupling 9 penetrates through the mounting hole two, and the cylindrical segment of the shaft coupling 9 is embedded into the semicircular notch of the short block.

[0025] Since the upper door hinge 7 is arranged between the long block and the short block, the upper door hinge 7 can play a guiding role, and in addition, the shaft coupling 9 rotates around the semicircular notch of the short block, so that the whole transmission process is more stable.

[0026] In the embodiment, the driving hinge comprises a lower driving hinge, the lower driving hinge comprises a lower vehicle frame hinge 4 and a lower door hinge 5, the lower vehicle frame hinge 4 is fixedly connected with the vehicle frame, and one side of the lower door hinge 5 is fixedly connected with the door, and the other side is movably connected with the lower vehicle frame hinge 4 through the pin shaft 3 to form a rotating hinge. It is worth noting that the lower driving hinge can be matched with a corresponding driving assembly, that is, the upper and lower driving motors drive at the same time, and considering the weight of the door and the driving efficiency and cost space of the design, only the upper driving assembly is installed in the embodiment, and of course, the lower driving assembly can be installed to drive the lower driving hinge to move in the case that the driving efficiency cannot meet the requirements.

[0027] In the embodiment, the lower driving hinge is installed to meet the installation requirements of the door, and the door is rotated through the upper and lower driving hinges, so that the door is more stable when rotating.

[0028] In the embodiment, the output end of the reduction box 6 is connected with the shaft coupling 9 through a key, specifically, the output shaft of the reduction box is provided with a key, and the shaft coupling 9 is provided with a matching key groove, and the two are connected after installation, and of course, other connection modes such as spline can be used to replace.

[0029] In the embodiment, the hinge between the door and the door, the hinge between the frame and the frame and the coupling and the door hinge are connected by screws, and are also connected by other ways such as the bolt.

[0030] The embodiment also comprises a cover 10, which is in the shape of a groove, and the motor support 1, the motor 2 and the reduction box 6 of the driving assembly are installed in the cover, which can prevent dust and the like.

[0031] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. An electric vehicle door switch drive mechanism, characterized in that, The device includes a drive assembly and a drive hinge. The drive assembly includes a motor bracket, a motor mounted on the motor bracket, a gearbox connected to the output end of the motor, and a coupling linked to the output end of the gearbox. The motor bracket is fixedly connected to the door. The drive hinge includes a frame hinge and a door hinge. The frame hinge is fixedly connected to the frame, and the door hinge is fixedly connected to the door. The coupling passes through the frame hinge and the door hinge, forming a rotating hinge with the coupling as the rotation axis.

2. The electric vehicle door switch drive mechanism according to claim 1, characterized in that, The drive hinge includes an upper drive hinge, which comprises an upper frame hinge and an upper door hinge. The upper frame hinge includes a base connected to the frame and a long block and a short block vertically mounted on the base. The long block and the short block are spaced apart and parallel to each other. The long block has a mounting hole one, and the top of the short block has a semi-circular groove. The upper door hinge is U-shaped and fixedly connected to the door on its side. The U-shaped groove is installed between the long block and the short block. The upper door hinge has mounting holes two on its upper and lower sides. The coupling is T-shaped. The base of the coupling is embedded in the mounting hole one and connected to the upper door hinge. The cylindrical section of the coupling passes through the mounting hole two and is embedded in the semi-circular groove of the short block.

3. The electric vehicle door switch drive mechanism according to claim 1, characterized in that, The drive hinge includes a lower drive hinge, which includes a lower frame hinge and a lower door hinge. The lower frame hinge is fixedly connected to the frame, and one side of the lower door hinge is fixedly connected to the door, while the other side is movably connected to the lower frame hinge via a pin to form a rotating hinge.

4. The electric vehicle door switch drive mechanism according to claim 1, characterized in that, The output end of the gearbox is connected to the coupling by a key.

5. The electric vehicle door switch drive mechanism according to claim 1, characterized in that, It also includes a grooved protective cover, in which the motor bracket, motor and gearbox are installed.

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