CN216341596U - Lower back of body door switching device and car - Google Patents
Lower back of body door switching device and car Download PDFInfo
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- CN216341596U CN216341596U CN202122914020.8U CN202122914020U CN216341596U CN 216341596 U CN216341596 U CN 216341596U CN 202122914020 U CN202122914020 U CN 202122914020U CN 216341596 U CN216341596 U CN 216341596U
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Abstract
The utility model provides a lower back door opening and closing device and an automobile, which relate to the technical field of automobile back doors and comprise the following components: one end of the electric stay bar is hinged with the vehicle body framework; the hinge rotating leaf is fixed on the vehicle body framework and is fixedly connected with the lower back door; the other end of the electric support rod is hinged with the hinge rotating leaf and used for driving the hinge rotating leaf to rotate so as to open or close the lower back door. The utility model solves the problems of complex structure and higher cost of the electric opening and closing device for the lower back door of the automobile in the prior art, simplifies the structure and reduces the production cost.
Description
Technical Field
The utility model relates to the technical field of automobile backdoors, in particular to a lower backdoor opening and closing device and an automobile.
Background
Along with the development of automobile intellectualization, the requirement of consumers on the automation degree of automobile lifting is higher and higher, and the requirements of the consumers on the functions of the automobile at present can not be met in a mode that the backdoor of the automobile needs to be manually opened or closed.
Most of the vehicle types on the market are conventional back-lifting backdoors, the space of the back part after static opening is small, and the vehicle is not suitable for outdoor leisure application scenes; the back door is opened up and down in mass production at present, manual opening is adopted mostly, operation is not convenient enough, and certain physical strength is required to be consumed; at present, in the existing automobile model of the electric opening lower back door part, the metal plate inner cavity is adopted to arrange the electric support rods, the electric support rod driving conversion mechanism drives the hinge to rotate, the opening and closing function of the back door is realized, and the scheme is complex to realize.
As described, there is a need for an improved electric opening and closing device for a lower back door of an automobile in the related art.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, an object of the present invention is to provide a lower back door opening and closing device and an automobile, which are used to solve the problems of complicated structure and high cost of the electric opening and closing device for the lower back door of the automobile in the prior art.
To achieve the above and other related objects, the present invention provides a lower back door opening and closing apparatus, comprising: one end of the electric stay bar is hinged with the vehicle body framework; the hinge rotating leaf is fixed on the vehicle body framework and is fixedly connected with the lower back door; the other end of the electric support rod is hinged with the hinge rotating leaf and used for driving the hinge rotating leaf to rotate so as to open or close the lower back door.
In an embodiment of the present invention, the two ends of the electric stay are hinged with a connecting member, and are connected to the vehicle body frame or the hinge rotating leaf through the connecting member.
In an embodiment of the present invention, the connecting member includes: the mounting plate is fixed with the vehicle body framework or the hinge rotating page through bolts; and the ball head pin is fixed on the mounting plate and is hinged with two ends of the electric stay bar.
In an embodiment of the present invention, the electric stay includes: the fixing rod is arranged in a hollow mode and is hinged with the vehicle body framework; the telescopic rod is connected with the fixed rod in a telescopic mode, and one end of the telescopic rod is hinged with the hinge rotating page; the motor is arranged inside the fixed rod; and the screw rod is coaxially fixed with the output shaft of the motor and is in threaded connection with the telescopic rod.
The utility model also provides an automobile which comprises an automobile body structure and the lower back door opening and closing device arranged on the automobile body structure.
In an embodiment of the present invention, the vehicle body structure includes: a vehicle body frame; the upper back door is rotatably connected to the vehicle body framework and is positioned at the tail of the vehicle; and the lower back door is rotatably connected to the automobile body framework through the lower back door opening and closing device and is combined with the upper back door to seal the automobile back box.
In an embodiment of the utility model, two electric stay bars are arranged on the vehicle body framework, and the two electric stay bars respectively correspond to two ends of the lower back door.
In an embodiment of the present invention, the hinge rotary pages correspond to the electric struts one to one.
In an embodiment of the present invention, the vehicle body frame is formed with an accommodating slot, and when the lower back door is in a closed state, the electric stay bar is retracted and placed in the accommodating slot.
In an embodiment of the present invention, the length of the electric stay is gradually increased along with the increase of the opening angle of the back door.
As described above, the lower back door opening and closing device and the automobile of the present invention have the following beneficial effects:
1. compared with the prior art, the lower back door opening and closing device is structurally simplified, reduces weight and reduces manufacturing cost.
2. Through with lug connection between electronic vaulting pole and the rotatory page or leaf of hinge for the rotatory page or leaf of electronic vaulting pole direct drive hinge rotates, thereby can promote the transmission efficiency of electronic vaulting pole.
Drawings
FIG. 1 is an isometric view of a lower back door opening and closing device according to one embodiment of the present invention;
FIG. 2 is a schematic view of a connector of an embodiment of a lower back door opening and closing device according to the present invention;
FIG. 3 is a schematic view of an electric stay bar of an embodiment of a lower back door opening and closing device according to the present invention;
FIG. 4 is a partial top view of an automobile according to one embodiment of the present invention;
FIG. 5 illustrates a partial side view of an automobile in accordance with one embodiment of the present invention;
FIG. 6 is a diagram illustrating a relationship between a length of an electric stay and an opening angle of a lower back door according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a back door control of an automobile according to an embodiment of the present invention.
Description of the element reference numerals
100. A lower back door opening and closing device; 110. an electric stay bar; 111. fixing the rod; 112. a telescopic rod; 113. a motor; 114. a screw rod; 120. the hinge rotates the page; 130. a connecting member; 131. mounting a plate; 132. a ball stud; 200. a vehicle body structure; 210. a vehicle body frame; 220. an upper back door; 230. a lower back door.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.
Please refer to fig. 1 to 7. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1, the present invention provides a lower back door opening and closing apparatus, which includes an electric stay 110 and a hinge rotary leaf 120. Wherein, one end of the electric stay bar 110 is hinged with the body frame 210; the hinge rotary leaf 120 is fixed on the car body frame 210 and is fixedly connected with the lower back door 230; the other end of the electric stay 110 is hinged to the hinge rotary leaf 120, and is used for driving the hinge rotary leaf 120 to rotate, so as to open or close the lower back door 230.
Referring to fig. 1 and 2, the two ends of the electric stay 110 are hinged to the connecting members 130, and the two ends of the electric stay 110 are respectively connected to the car body frame 210 and the hinge rotating leaf 120 through the connecting members 130. In the present embodiment, the connecting member 130 includes a mounting plate 131 and a ball stud 132; the mounting plate 131 is substantially in the shape of a right-angle plate and is fixed to the body frame 210 or the hinge rotating leaf 120 by bolts; the ball stud 132 is fixed to the mounting plate 131 and is hinged to both ends of the electric stay 110.
Referring to fig. 1 and 3, in the present embodiment, the electric stay 110 includes a fixing rod 111, an expansion rod 112, a motor 113, and a screw rod 114. The fixing rod 111 is hollow, one end of the fixing rod is open, the other end of the fixing rod is closed, and one end of the fixing rod, which is closed, is hinged with the vehicle body framework 210; the inside of the telescopic rod 112 is hollow and is telescopically connected in the fixed rod 111, and one end of the telescopic rod 112 is hinged to the hinge rotating leaf 120, it should be noted that the telescopic rod 112 and the fixed rod 111 cannot relatively rotate, so that the rotational freedom degree of the telescopic rod 112 is limited; the motor 113 is installed inside the fixing rod 111 and located at the closed end of the fixing rod 111, an output shaft of the motor 113 is coaxially fixed with the screw rod 114, and the screw rod 114 penetrates through the inside of the telescopic rod 112 and is in threaded connection with the telescopic rod 112.
In actual work, a user transmits an instruction for opening or closing the back door 230 to the back door opening and closing device 100 through the vehicle-mounted ECU, and then the motor 113 can rotate the output shaft forward or backward according to the instruction, so that the screw rod 114 rotates forward or backward, the effect of extending or retracting the telescopic rod 112 is achieved, and the back door 230 is opened or closed through the supporting force or the traction force caused by the extending or retracting of the telescopic rod 112.
Referring to fig. 4 and 5, the present invention also provides an automobile including a body structure 200 and the back door opening and closing device 100 mounted on the body structure 200 as described above. The vehicle body structure 200 includes, among other things, a vehicle body frame 210, an upper tailgate 220, and a lower tailgate 230. The upper back door 220 is rotatably connected to the vehicle body frame 210 and located at the rear of the vehicle, and it should be noted that the opening or closing of the upper back door 220 is realized in an electric control manner and is synchronously executed with the opening of the lower back door 230; the lower back door 230 is rotatably connected to the body frame 210 through the lower back door opening and closing device 100, and is combined with the upper back door 220 to close the trunk of the vehicle.
Referring to fig. 4 and 5, in the present embodiment, a containing slot (not shown) is formed on the vehicle body frame 210, and when the lower back door 230 is in the closed state, the electric stay 110 is retracted and placed in the containing slot, it should be noted that two containing slots are disposed on the vehicle body frame 210 and located at positions of the vehicle body frame 210 corresponding to two ends of the lower back door 230; two electric support rods 110 are arranged on the vehicle body framework 210, the two electric support rods 110 respectively correspond to two ends of the lower back door 230 in the length direction and are positioned at the joint of the lower back door 230 and the vehicle body framework 210, the lower back door 230 is rotatably connected with the vehicle body framework 210, and in addition, the hinge rotating leaves 120 correspond to the electric support rods 110 one by one; it should be noted that the rotation angle of the back door 230 is between 0 to 90 degrees, and the torque output by the motor 131 is gradually increased as the opening angle of the back door 230 is increased, and the torque output by the motor 131 reaches the peak value when the rotation angle of the back door 230 reaches 90 degrees.
Referring to fig. 6, in the present embodiment, the extension length of the telescopic rod 112 of the electric stay 110 gradually increases along with the opening angle of the back door 230; the length of the electric stay 110 corresponds to the opening angle of the lower back door 230 as shown in fig. 6. When the opening angle of the lower back door 230 is 0 degree, the length of the corresponding electric stay bar 110 is 300 mm; as the opening schedule of the lower back door 230 is gradually increased, the length of the electric stay bar 110 is gradually increased, and the length parameter of the electric stay bar 110 is linearly changed; in this embodiment, the maximum opening angle of the back door 230 is 117 degrees, and the length of the corresponding electric stay 110 is 434.3 mm.
As an example, when the opening angle of the back door 230 is 10 degrees, the length of the corresponding electric stay 110 is 306.5 mm; when the opening angle of the lower back door 230 is 20 degrees, the length of the corresponding electric stay bar 110 is 315.5 mm; when the opening angle of the lower back door 230 is 30 degrees, the length of the corresponding electric stay bar 110 is 326.5 mm; when the opening angle of the lower back door 230 is 40 degrees, the length of the corresponding electric stay bar 110 is 338.9 mm; when the opening angle of the lower back door 230 is 50 degrees, the length of the corresponding electric stay bar 110 is 352.3 mm; when the opening angle of the lower back door 230 is 60 degrees, the length of the corresponding electric stay bar 110 is 366 mm; when the opening angle of the lower back door 230 is 70 degrees, the length of the corresponding electric stay bar 110 is 379.9 mm; when the opening angle of the lower back door 230 is 80 degrees, the length of the corresponding electric stay bar 110 is 393.3 mm; when the opening angle of the lower back door 230 is 90 degrees, the length of the corresponding electric stay bar 110 is 406 mm; when the opening angle of the lower back door 230 is 100 degrees, the length of the corresponding electric stay bar 110 is 417.6 mm; when the opening angle of the back door 230 is 110 degrees, the length of the corresponding electric stay 110 is 428 mm.
Referring to fig. 7, in an actual operation process, a driver may press the lower back door 230 switch on a central console in the vehicle, and the lower back door 230 switch transmits a start signal to the processor (ECU), so that the processor controls the screw 114 in the electric stay 110 to rotate forward or backward, thereby the telescopic rod 112 extends and retracts reciprocally, and the opening or closing movement of the lower back door 230 is realized.
In actual operation, a user can control the opening or closing of the upper back door 220 and the lower back door 230 through the vehicle-mounted ECU, when the user needs to open the upper back door 220 and the lower back door 230, an instruction can be sent to the vehicle-mounted ECU through the central control touch screen, the mobile phone or the back door microswitch, and the vehicle-mounted ECU receives the instruction and sends a control instruction to the lower back door opening and closing device 100, so that the lower back door opening and closing device 100 drives the upper back door 220 and the lower back door 230 to move, and the back door can be freely opened or closed according to the requirements of the user.
In summary, in the present invention, the electric stay 110 is disposed outside the lower back door 230, and the supporting force or the traction force of the telescopic rod 112 in the electric stay 110 is used to open or close the lower back door 230; in addition, the lower back door opening and closing device 100 of the present invention is structurally simplified, reduces weight, and reduces manufacturing cost, compared to the prior art; the electric stay 110 and the hinge rotary blade 120 are directly connected to each other, so that the transmission efficiency of the electric stay 110 can be improved. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A lower back door opening and closing apparatus, comprising:
one end of the electric stay bar is hinged with the vehicle body framework;
the hinge rotating leaf is fixed on the vehicle body framework and is fixedly connected with the lower back door;
the other end of the electric support rod is hinged with the hinge rotating leaf and used for driving the hinge rotating leaf to rotate so as to open or close the lower back door.
2. The lower back door opening and closing device according to claim 1, wherein: the two ends of the electric stay bar are hinged with connecting pieces, and the electric stay bar is connected with the automobile body framework or the hinge rotating page.
3. The lower back door opening and closing device according to claim 2, wherein: the connector includes:
the mounting plate is fixed with the vehicle body framework or the hinge rotating page through bolts;
and the ball head pin is fixed on the mounting plate and is hinged with two ends of the electric stay bar.
4. The lower back door opening and closing device according to claim 1, wherein: the electric stay bar includes:
the fixing rod is arranged in a hollow mode and is hinged with the vehicle body framework;
the telescopic rod is connected with the fixed rod in a telescopic mode, and one end of the telescopic rod is hinged with the hinge rotating page;
the motor is arranged inside the fixed rod;
and the screw rod is coaxially fixed with the output shaft of the motor and is in threaded connection with the telescopic rod.
5. An automobile comprising a body structure and the lower back door opening and closing apparatus as claimed in any one of claims 1 to 4 mounted on the body structure.
6. The automobile of claim 5, wherein: the vehicle body structure includes:
a vehicle body frame;
the upper back door is rotatably connected to the vehicle body framework and is positioned at the tail of the vehicle;
and the lower back door is rotatably connected to the automobile body framework through the lower back door opening and closing device and is combined with the upper back door to seal the automobile back box.
7. The automobile of claim 6, wherein: the electric support rods are arranged on the car body framework, and correspond to two ends of the lower back door respectively.
8. The automobile of claim 7, wherein: the hinge rotating pages correspond to the electric support rods one by one.
9. The automobile of claim 6, wherein: and when the lower back door is in a closed state, the electric stay bar is contracted and is arranged in the accommodating groove.
10. The automobile of claim 6, wherein: the length of the electric stay bar is gradually increased along with the increase of the opening angle of the lower back door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122914020.8U CN216341596U (en) | 2021-11-25 | 2021-11-25 | Lower back of body door switching device and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122914020.8U CN216341596U (en) | 2021-11-25 | 2021-11-25 | Lower back of body door switching device and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216341596U true CN216341596U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122914020.8U Active CN216341596U (en) | 2021-11-25 | 2021-11-25 | Lower back of body door switching device and car |
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| Country | Link |
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| CN (1) | CN216341596U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115009375A (en) * | 2022-06-24 | 2022-09-06 | 一汽奔腾轿车有限公司 | Automatic back door system warp |
| CN115110878A (en) * | 2022-06-29 | 2022-09-27 | 重庆长安汽车股份有限公司 | Back door structure, automobile and back door opening method |
| CN115306250A (en) * | 2022-07-19 | 2022-11-08 | 中国第一汽车股份有限公司 | Electronic backplate transmission system and vehicle |
-
2021
- 2021-11-25 CN CN202122914020.8U patent/CN216341596U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115009375A (en) * | 2022-06-24 | 2022-09-06 | 一汽奔腾轿车有限公司 | Automatic back door system warp |
| CN115110878A (en) * | 2022-06-29 | 2022-09-27 | 重庆长安汽车股份有限公司 | Back door structure, automobile and back door opening method |
| CN115110878B (en) * | 2022-06-29 | 2023-06-20 | 重庆长安汽车股份有限公司 | Back door structure, automobile and back door opening method |
| CN115306250A (en) * | 2022-07-19 | 2022-11-08 | 中国第一汽车股份有限公司 | Electronic backplate transmission system and vehicle |
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