Automobile door opening device and automobile

Abstract

The utility model discloses an automobile door opening device and an automobile, the automobile door opening device comprises a mounting seat, a rotating seat, a motor, a transmission piece and a screw rod, one of the rotating seat and the mounting seat is provided with a first mounting cavity, the other one of the rotating seat and the mounting seat is rotatably mounted in the first mounting cavity, and the rotating seat can universally rotate relative to the mounting seat; the motor is mounted on the rotating seat; the transmission part is rotatably mounted on the rotating seat and is in transmission connection with the motor; the lead screw penetrates through the transmission part and is in threaded transmission with the transmission part. According to the automobile door opening device, when a certain external force is applied to the lead screw, the lead screw, the transmission piece, the motor and the rotating base can be used as a whole to rotate in all directions relative to the mounting base so as to adapt to different door opening angles and stress directions, the situation that the door opening device is stuck or unsmooth in operation is reduced, and meanwhile compared with an existing door opening device, the door opening device is convenient to use. According to the automobile door opening device provided by the utility model, a transmission structure between the motor and the screw rod is simpler.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, and particularly relates to an automobile door opening device and an automobile. Background Art

[0002] At present, some automobiles are provided with door opening devices, and the automobiles automatically open or close the door bodies through the door opening devices. The existing door opening devices generally include a mounting seat fixedly installed on the automobile door body, a motor fixedly installed on the mounting seat, a gear and a lead screw rotatably installed in the mounting seat. The motor drives the gear to rotate through a worm structure. A transmission nut is installed in the gear, the lead screw passes through the transmission nut, and one end of the lead screw passes through the mounting seat and the door body to be rotatably connected with the vehicle body of the automobile. In order to enable the lead screw to adapt to different door opening angles and force directions, in the existing door opening devices, the transmission between the transmission nut and the gear is realized through the cooperation of a convex column and a groove, and the transmission nut is allowed to swing around an axis perpendicular to the rotation axis of the gear. However, such a setting makes the transmission structure between the motor and the lead screw complex. Content of the Utility Model

[0003] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides an automobile door opening device, which can adapt to different door opening angles and force directions, and at the same time, ensure that the transmission structure between the motor and the lead screw is simplified.

[0004] The utility model also provides an automobile with the above-mentioned automobile door opening device.

[0005] An automobile door opening device according to an embodiment of the first aspect of the utility model includes a mounting seat, a rotating seat, a motor, a transmission member and a lead screw. One of the rotating seat and the mounting seat is provided with a first installation cavity, and the other is rotatably installed in the first installation cavity. Among them, the rotating seat can rotate in all directions relative to the mounting seat; the motor is installed on the rotating seat; the transmission member is rotatably installed on the rotating seat, and the transmission member is in transmission connection with the motor; the lead screw passes through the transmission member, and the lead screw is in threaded transmission with the transmission member; among them, the motor, the transmission member and the lead screw can rotate or swing relative to the mounting seat following the rotating seat.

[0006] An automobile door opening device according to an embodiment of the present utility model has at least the following beneficial effects: The automobile door opening device provided by the present utility model drives a transmission member to rotate through a motor, and then the transmission member drives a lead screw to rotate in a spiral manner to achieve the telescopic movement of the lead screw. When a certain external force is applied to the lead screw, the lead screw, the transmission member, the motor and the rotating seat can rotate in all directions as a whole relative to the mounting seat to adapt to different door opening angles and force directions, reducing the situation of jamming or poor operation of the door opening device. At the same time, compared with the existing door opening devices, the transmission structure between the motor and the lead screw of the automobile door opening device provided by the present utility model is more concise.

[0007] According to some embodiments of the present utility model, the first installation cavity is arranged in the mounting seat, the transmission member is located in the first installation cavity, a door body connection part is arranged at one end of the mounting seat, a receiving hole communicating with the first installation cavity is opened at one end of the mounting seat, a first avoidance hole or a receiving cavity communicating with the first installation cavity is opened at the other end of the mounting seat, the lead screw penetrates through the receiving hole, and the lead screw is inserted into the first avoidance hole or the receiving cavity.

[0008] According to some embodiments of the present utility model, the first installation cavity is spherical, the rotating seat includes a first shell and a second shell, the first shell and the second shell are spliced to form a rotating shell with a second installation cavity inside, the outer surface of the rotating shell matches the inner wall of the first installation cavity, the transmission member is rotatably installed in the second installation cavity, the motor is installed on the first shell or the second shell, and the lead screw penetrates through the first shell and the second shell.

[0009] According to some embodiments of the present utility model, one end of the transmission member is rotatably installed on the first shell through a first bearing, and the other end of the transmission member is rotatably installed on the second shell through a second bearing.

[0010] According to some embodiments of the present utility model, a gear structure is arranged on the transmission member, and the output shaft of the motor has a worm structure, and the worm structure is in meshing transmission with the gear structure.

[0011] According to some embodiments of the present utility model, the mounting seat includes a base and a gland, the base and the gland are spliced, the first installation cavity is formed by enclosing the base and the gland, the receiving hole and the door body connection part are arranged on the base, the first avoidance hole is arranged on the gland, a part of the motor is located outside the first installation cavity, and the base and the gland enclose a second avoidance hole for avoiding the motor.

[0012] According to some embodiments of the present utility model, a flexible sealing shell is arranged between the motor and the mounting seat, and the flexible sealing shell closes the second avoidance hole.

[0013] According to some embodiments of the utility model, a flexible protective shell is provided between the screw rod and the inner wall of the accommodating hole, and the flexible protective shell is sleeved on the screw rod.

[0014] According to some embodiments of the utility model, a first avoidance hole communicating with the first installation cavity is opened at the other end of the mounting seat, and the mounting seat is provided with a protective cover, the protective cover is connected to the first avoidance hole, and the screw rod is inserted into the protective cover.

[0015] According to the second aspect of the present utility model, a car includes the above-mentioned car door opening device.

[0016] A car according to an embodiment of the utility model has at least the following beneficial effects: the above-mentioned car door opening device can adapt to different door opening angles and force directions, reducing the situation where the door opening device is stuck or runs poorly. At the same time, compared with the existing door opening device, the car door opening device provided by the utility model has a more streamlined transmission structure between the motor and the screw rod.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present invention. Brief Description of the Figures

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 It is a schematic diagram of a car door opening device (when the flexible sealing shell and the protective cover are removed) according to an embodiment of the utility model;

[0020] Figure 2 For Figure 1 An exploded view of a car door opening device is shown;

[0021] Figure 3 For Figure 1 A cross-sectional view of a vehicle door opening device shown;

[0022] Figure 4 For Figure 3 Enlarged view of point A in the middle;

[0023] Figure 5 For Figure 1 A schematic diagram of the transmission structure between the motor and the screw rod of a car door opening device;

[0024] Figure 6 For Figure 1 Shows an external schematic diagram of a car door opening device.

[0025] Reference Numerals:

[0026] Mounting base 100, base 100a, gland 100b, door body connecting portion 110, first installation cavity 120, receiving hole 130, first avoidance hole 140, second avoidance hole 150, annular sealing portion 160, rotating base 200, rotating shell 210, first housing 210a, second housing 210b, second installation cavity 211, annular clamping groove 212, machine shell 220, jack 221, motor 300, worm structure 310, transmission member 400, gear structure 410, lead screw 500, anti-collision ring 510, first bearing 610, second bearing 620, flexible sealing shell 710, flexible protection shell 720, annular sealing groove 721, annular mounting portion 722, annular protrusion 723, protective cover 730. Detailed Description of the Embodiment

[0027] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0028] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is 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 orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

[0029] In the description of the present invention, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, exceeding, etc. are understood as not including the present number, and above, below, within, etc. are understood as including the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0031] In the existing car door opening device, in order to enable the lead screw 500 to adapt to different door opening angles and force directions, the motor 300 needs to first drive the gear to rotate, then the gear drives the transmission nut to rotate, and finally the transmission nut drives the lead screw 500 to telescopically rotate. Moreover, the transmission nut itself needs to swing relative to the gear. In this setting method, there are many transmission components and many transmission links between the motor 300 and the lead screw 500. Moreover, since the transmission nut can swing relative to the gear, it is easy to cause the problem of unstable transmission between the lead screw 500 and the motor 300.

[0032] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 5 , a car door opening device according to an embodiment of the first aspect of the present invention includes a mounting seat 100, a rotating seat 200, a motor 300, a transmission member 400 and a lead screw 500. One of the rotating seat 200 and the mounting seat 100 is provided with a first installation cavity 120, and the other is rotatably installed in the first installation cavity 120. Among them, the rotating seat 200 can rotate in all directions relative to the mounting seat 100; the motor 300 is installed on the rotating seat 200; the transmission member 400 is rotatably installed on the rotating seat 200, and the transmission member 400 is in transmission connection with the motor 300; the lead screw 500 passes through the transmission member 400, and the lead screw 500 is in threaded transmission with the transmission member 400; among them, the motor 300, the transmission member 400 and the lead screw 500 can rotate or swing relative to the mounting seat 100 following the rotating seat 200.

[0033] The car door opening device provided by the present invention drives the transmission member 400 to rotate through the motor 300, and then the transmission member 400 drives the lead screw 500 to rotate in a spiral manner to realize the telescopic movement of the lead screw 500. When a certain external force is applied to the lead screw 500, the lead screw 500, the transmission member 400, the motor 300 and the rotating seat 200 can rotate in all directions relative to the mounting seat 100 as a whole to adapt to different door opening angles and force directions, reducing the situation of jamming or poor operation of the door opening device. At the same time, compared with the existing door opening device, the transmission structure between the motor 300 and the lead screw 500 of the car door opening device provided by the present invention is more streamlined, the transmission links can be reduced, the transmission efficiency can be increased, and there is no relative swing between the lead screw 500 and the motor 300, and the transmission between the motor 300 and the lead screw 500 is more stable.

[0034] Referring to Figure 2 and Figure 3, according to some embodiments of the present utility model, the first installation cavity 120 is arranged in the mounting base 100, the transmission member 400 is located in the first installation cavity 120, one end of the mounting base 100 is provided with a door body connection portion 110, a receiving hole 130 communicating with the first installation cavity 120 is opened at one end of the mounting base 100, a first avoidance hole 140 or a receiving cavity communicating with the first installation cavity 120 is opened at the other end of the mounting base 100, the lead screw 500 is inserted through the receiving hole 130, and the lead screw 500 is inserted into the first avoidance hole 140 or the receiving cavity. Thus, when the vehicle door opening device provided by the present utility model is applied to a vehicle, the mounting base 100 can be fixedly connected to the vehicle door through the door body connection portion 110, the lead screw 500 passes through the receiving hole 130 and the vehicle door and then is rotatably connected to the vehicle body, which is convenient for installation. Through the above setting method, it is convenient to apply the vehicle door opening device to a vehicle. Among them, the mounting base 100 can limit the swinging range of the lead screw 500 and prevent the lead screw 500 from colliding with the vehicle door when swinging.

[0035] Refer to Figures 2 to 5 , according to some embodiments of the present utility model, the first installation cavity 120 is spherical, the rotating seat 200 includes a first housing 210a and a second housing 210b, the first housing 210a and the second housing 210b are spliced to form a rotating shell 210 with a second installation cavity 211 inside, the outer surface of the rotating shell 210 matches the inner wall of the first installation cavity 120, the transmission member 400 is rotatably installed in the second installation cavity 211, the motor 300 is installed on the first housing 210a or the second housing 210b, and the lead screw 500 is inserted through the first housing 210a and the second housing 210b. With the above setting, the rotating shell 210 can rotate flexibly and smoothly in all directions in the first installation cavity 120, and it is also convenient to rotatably install the transmission member 400 on the rotating seat 200.

[0036] It should be noted that, in some embodiments, the outer contour of the rotating shell 210 can be set to be spherical, the first installation cavity 120 can be spherical, a regular polyhedron or other shapes. At this time, the rotating shell 210 can also rotate flexibly and smoothly in all directions in the first installation cavity 120.

[0037] Refer to Figure 2 And Figure 3 , according to some embodiments of the present utility model, one end of the transmission member 400 is rotatably installed on the first housing 210a through a first bearing 610, and the other end of the transmission member 400 is rotatably installed on the second housing 210b through a second bearing 620. Through the above setting, the transmission member 400 can rotate more smoothly.

[0038] Refer to Figure 2 , Figure 3 And Figure 5According to some embodiments of the present invention, a gear structure 410 is provided on the transmission member 400, and the output shaft of the motor 300 has a worm structure 310, and the worm structure 310 is meshed with the gear structure 410 for transmission, so that the motor 300 can drive the transmission member 400 to rotate relative to the rotating seat 200.

[0039] Reference Figure 2 and Figure 5 In some embodiments, the rotating base 200 includes a housing 220, which is connected to the second housing 210b. The housing 220 is provided with a plug hole 221, which is connected to the second installation cavity 211. The motor 300 is inserted into the housing 220, wherein the worm structure 310 is located at the connection between the plug hole 221 and the second installation cavity 211, so as to facilitate the meshing transmission between the worm structure 310 and the gear structure 410 on the transmission member 400.

[0040] It is conceivable that in other embodiments, the rotating seat 200 may include a first shell 210a, and the transmission member 400 is rotatably mounted on the first shell 210a, wherein the first shell 210a abuts against the inner wall of one side of the first installation cavity 120, and the transmission member 400 abuts against the inner wall of the other side of the first installation cavity 120, thereby, the inner wall of the first installation cavity 120 can limit the transmission member 400 on the first shell 210a, and the transmission member 400 and the first shell 210a can form a universally rotating rotating body in the first installation cavity 120, in this case, the above-mentioned second shell 210b may not be set.

[0041] It is conceivable that in other embodiments, the motor 300 may be connected to the transmission member 400 in other ways, for example, the motor 300 may be connected to the transmission member 400 in a synchronous belt.

[0042] Reference Figures 1 to 3 , according to some embodiments of the utility model, the mounting seat 100 includes a base 100a and a pressure cover 100b, the base 100a and the pressure cover 100b are spliced, the first mounting cavity 120 is formed by the base 100a and the pressure cover 100b, the accommodating hole 130 and the door body connecting part 110 are arranged on the base 100a, the first avoidance hole 140 is arranged on the pressure cover 100b, the motor 300 is partially located outside the first mounting cavity 120, and the base 100a and the pressure cover 100b are enclosed to form a second avoidance hole 150 for avoiding the motor 300. With the above arrangement, the installation of the rotating seat 200 can be facilitated.

[0043] Reference Figure 1 、 Figure 5 and Figure 6 ​​, according to some embodiments of the present utility model, a flexible sealing shell 710 is provided between the motor 300 and the mounting seat 100. The flexible sealing shell 710 closes the second avoidance hole 150. Thus, the flexible sealing shell 710 can block external dust from entering the first installation cavity 120 through the second avoidance hole 150, and can also prevent the lubricating oil in the first installation cavity 120 from leaking out through the second avoidance hole 150. At the same time, the flexible sealing shell 710 does not affect the rotation of the rotating seat 200.

[0044] Refer to Figure 2 , Figure 3 and Figure 6 , according to some embodiments of the present utility model, a flexible protective shell 720 is provided between the screw rod 500 and the inner wall of the receiving hole 130. The flexible protective shell 720 is sleeved on the screw rod 500. Thus, the flexible protective shell 720 can prevent the screw rod 500 from directly colliding with the inner wall of the receiving hole 130, reduce the wear of the screw rod 500, and avoid the generation of noise caused by the collision between the screw rod 500 and the receiving hole 130.

[0045] Refer to Figure 3 and Figure 4 , in the specific implementation process, an annular sealing groove 721 is provided on the flexible protective shell 720, and an annular sealing portion 160 is provided on the mounting seat 100. The annular sealing portion 160 is located at the connection between the receiving hole 130 and the first installation cavity 120. The annular sealing portion 160 is clamped in the annular sealing groove 721. Thus, the flexible protective shell 720 can prevent external dust, rainwater, etc. from entering the first installation cavity 120 through the receiving hole 130.

[0046] Refer to Figure 3 and Figure 4 , in some embodiments, the flexible protective shell 720 is a corrugated pipe. One end of the flexible protective shell 720 is inserted into the first housing 210a, and an annular mounting portion 722 is provided at one end of the flexible protective shell 720. The first bearing 610 and the first housing 210a cooperate with each other to clamp and fix the annular mounting portion 722. The other end of the flexible protective shell 720 is fixed to the screw rod 500. Thus, the flexible protective shell 720 can swing relative to the mounting seat 100 together with components such as the first housing 210a and the screw rod 500. During this process, one side wall of the annular sealing groove 721 can also be abutted against the annular sealing portion 160 to ensure good sealing between the flexible protective shell 720 and the annular sealing portion 160.

[0047] Refer to Figure 3 and Figure 4 , in the specific implementation process, in order to more firmly fix the flexible protective shell 720 to the first housing 210a, one of the annular mounting portion 722 and the first housing 210a is provided with an annular clamping groove 212, and the other is provided with an annular protrusion 723. The annular protrusion 723 is clamped in the annular clamping groove 212.

[0048] Referring to Figure 1 、 Figure 2 and Figure 3 According to some embodiments of the present utility model, a first avoidance hole 140 communicating with the first installation cavity 120 is formed at the other end of the mounting seat 100. The mounting seat 100 is provided with a protective cover 730. The protective cover 730 is docked with the first avoidance hole 140. The lead screw 500 is inserted into the protective cover 730. Thus, the protective cover 730 can prevent external substances such as dust from entering the first installation cavity 120 through the first avoidance hole 140.

[0049] Referring to Figure 3 Among them, a collision avoidance ring 510 is sleeved on the lead screw 500 to avoid strong collision between the lead screw 500 and the protective cover 730.

[0050] A vehicle according to an embodiment of the second aspect of the present utility model includes the above-mentioned vehicle door opening device.

[0051] The above-mentioned vehicle door opening device can adapt to different opening angles and force directions, reduce the situation of jamming or poor operation of the door opening device. At the same time, compared with the existing door opening devices, the vehicle door opening device provided by the present utility model has a more streamlined transmission structure between the motor 300 and the lead screw 500, can reduce the transmission links, increase the transmission efficiency, and the lead screw 500 will not swing relative to the motor 300, and the transmission between the motor 300 and the lead screw 500 is more stable.

[0052] The technical features of the above-mentioned embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered to be within the scope described in this specification.

[0053] The above has described the embodiments in detail with reference to the drawings, but the present utility model is not limited to the above embodiments. Within the knowledge scope of those of ordinary skill in the art in the technical field, various changes can be made without departing from the purpose of the present utility model.

Claims

1. A car door opening device, characterized in that: include: Mounting seat (100); A rotating seat (200), wherein one of the rotating seat (200) and the mounting seat (100) is provided with a first mounting cavity (120), and the other is rotatably mounted in the first mounting cavity (120), wherein the rotating seat (200) can be universally rotated relative to the mounting seat (100); A motor (300) mounted on the rotating seat (200); A transmission member (400) is rotatably mounted on the rotating seat (200), and the transmission member (400) is in transmission connection with the motor (300); A screw rod (500) is inserted through the transmission member (400), and the screw rod (500) and the transmission member (400) are threadedly transmitted; The motor (300), the transmission member (400) and the screw rod (500) are capable of rotating or swinging relative to the mounting seat (100) following the rotating seat (200).

2. The vehicle door opening device according to claim 1, characterized in that: The first mounting cavity (120) is arranged on the mounting seat (100), the transmission member (400) is located in the first mounting cavity (120), a door body connecting portion (110) is arranged at one end of the mounting seat (100), a receiving hole (130) connected to the first mounting cavity (120) is opened at one end of the mounting seat (100), and a first avoidance hole (140) or a receiving cavity connected to the first mounting cavity (120) is opened at the other end of the mounting seat (100), the screw rod (500) is passed through the receiving hole (130), and the screw rod (500) is inserted into the first avoidance hole (140) or the receiving cavity.

3. The vehicle door opening device according to claim 2, characterized in that: The first installation cavity (120) is spherical, and the rotating seat (200) comprises a first shell (210a) and a second shell (210b); the first shell (210a) and the second shell (210b) are spliced ​​to form a rotating shell (210) having a second installation cavity (211) inside; the outer surface of the rotating shell (210) matches the inner wall of the first installation cavity (120); the transmission member (400) is rotatably mounted in the second installation cavity (211); the motor (300) is mounted in the first shell (210a) or the second shell (210b); and the screw rod (500) is inserted into the first shell (210a) and the second shell (210b).

4. The vehicle door opening device according to claim 3, characterized in that: One end of the transmission member (400) is rotatably mounted on the first housing (210a) via a first bearing (610), and the other end of the transmission member (400) is rotatably mounted on the second housing (210b) via a second bearing (620).

5. The vehicle door opening device according to claim 3, characterized in that: The transmission member (400) is provided with a gear structure (410), the output shaft of the motor (300) has a worm structure (310), and the worm structure (310) is meshed with the gear structure (410) for transmission.

6. The vehicle door opening device according to claim 2, characterized in that: The mounting seat (100) includes a base (100a) and a pressure cover (100b), the base (100a) and the pressure cover (100b) are spliced ​​together, the first mounting cavity (120) is formed by the base (100a) and the pressure cover (100b), the accommodating hole (130) and the door body connecting part (110) are arranged on the base (100a), the first avoidance hole (140) is arranged on the pressure cover (100b), the motor (300) is partially located outside the first mounting cavity (120), and the base (100a) and the pressure cover (100b) are enclosed to form a second avoidance hole (150) for avoiding the motor (300).

7. The vehicle door opening device according to claim 6, characterized in that: A flexible sealing shell (710) is provided between the motor (300) and the mounting seat (100), and the flexible sealing shell (710) closes the second avoidance hole (150).

8. The vehicle door opening device according to claim 2, characterized in that: A flexible protective shell (720) is provided between the screw rod (500) and the inner wall of the accommodating hole (130), and the flexible protective shell (720) is sleeved on the screw rod (500).

9. The vehicle door opening device according to claim 2, characterized in that: The other end of the mounting seat (100) is provided with a first avoidance hole (140) which is connected to the first mounting cavity (120); the mounting seat (100) is provided with a protective cover (730); the protective cover (730) is connected to the first avoidance hole (140); and the screw rod (500) is inserted into the protective cover (730).

10. An automobile, characterized in that: It comprises a vehicle door opening device as described in any one of claims 1 to 9.

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