CN111456582B - Side door automatic closing system and automobile - Google Patents
Side door automatic closing system and automobile Download PDFInfo
- Publication number
- CN111456582B CN111456582B CN202010315375.2A CN202010315375A CN111456582B CN 111456582 B CN111456582 B CN 111456582B CN 202010315375 A CN202010315375 A CN 202010315375A CN 111456582 B CN111456582 B CN 111456582B
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- side door
- automobile
- closing system
- transmission block
- automatic closing
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- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 210000003128 head Anatomy 0.000 description 24
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
Abstract
The invention discloses an automatic closing system of a side door of an automobile, which comprises the following components: the front end of the side door is rotationally connected with the vehicle body; the door closer is arranged on the side door and comprises a shell, a linear driving device and a transmission block which is connected with the shell in a sliding way, and the driving head is positioned in front of the transmission block and can push the transmission block to move backwards; the stay wire is sequentially wound on one first guide wheel, the second guide wheel and the other first guide wheel, and two ends of the stay wire extend out of the shell forwards and are directly or indirectly connected with the vehicle body. The invention also discloses an automobile with the automobile side door automatic closing system. The door closer is arranged on the side door of the closing system, the functions of manually and automatically closing the side door can be realized by connecting the pull wire with the vehicle body, the whole operation is very convenient, the door closing speed is uniform, the noise is small, the pull wire design is flexible and stable, the extra occupied space of the pull wire and the door closer is very small, the hidden installation in the side door can be realized, and the interference to other facilities in the vehicle body is almost avoided.
Description
Technical Field
The invention relates to the field of automobile side doors, in particular to an automatic closing system of an automobile side door.
Background
The automobile side door provides a passage for a driver and passengers to enter and exit the automobile body, and can isolate the interference outside the automobile body when closed, so that a closed space is formed in the automobile body, and the maximum opening of the side door is usually controlled at 65-70 degrees in order to ensure the convenience of people getting on and off the automobile.
At present, the side door of an automobile is usually closed manually, and when a driver and a passenger manually close the side door, if the door closing force is light, the side door is easy to be not completely closed; when the force is heavy, the side door is damaged to a certain extent, the sealing system on the door frame is affected, the door closing sound is large, and the impact on the eardrum of a person in the car body is very large. With the increasing demands of people on the comfort, convenience and intelligence of automobiles, the requirements of the traditional automobile side door closing system are difficult to meet.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides an automatic closing system of the automobile side door, which has the functions of manually and automatically closing the side door and is convenient to operate.
The invention also provides an automobile with the automobile side door automatic closing system.
An automatic closing system for a side door of an automobile according to an embodiment of the first aspect of the present invention includes: the automobile comprises an automobile body and a side door, wherein the front end of the side door is rotationally connected with the automobile body, and a door lock for locking the rear end of the side door is arranged on the automobile body; the door closer is arranged on the side door and comprises a shell, a linear driving device and a transmission block which is in sliding connection with the shell, a driving head is arranged at the output end of the linear driving device, the driving head is positioned in front of the transmission block and can push the transmission block to move backwards, the rear end of the transmission block is connected with the rear end of the shell through a stretching elastic piece, first guide wheels are respectively arranged at the left side and the right side of the transmission block, and second guide wheels positioned in front of the first guide wheels are arranged on the shell; and the pull wire is sequentially wound on one first guide wheel, the second guide wheel and the other first guide wheel, and two ends of the pull wire extend forwards out of the shell and are directly or indirectly connected with the vehicle body.
Has at least the following beneficial effects: the door closer is arranged on the side door, the side door is connected with the vehicle body through the stay wire, when the side door is in an open state, the transmission block and the driving head are both arranged at the front end position of the door closer, the stay wire is in a straightened state, when the side door needs to be automatically closed, the linear driving device is controlled to drive the driving head to move backwards, the driving head further pushes the transmission block to move backwards, the first guide wheel is further far away from the second guide wheel, the stay wire is driven to stretch backwards in the door closer, the stay wire between the second guide wheel and the vehicle body is shortened, the side door is forced to be pulled and rotated inwards to be in a closed state, and the door can be locked on the vehicle body by the door lock; after the side door is closed, the linear driving device can be additionally arranged to control the driving head to reset forwards to the front end position of the door closer, so that the driving head cannot block the forward moving route of the transmission block when the side door is opened again manually; when the side door is manually closed, once the pull wire between the second guide wheel and the vehicle body has a loose trend, the transmission block can be pulled backwards by the tensile elastic piece, so that the pull wire always keeps in a straight state, and bending damage is avoided. Therefore, the functions of manually and automatically closing the side door can be realized, the whole operation is very convenient, the door closing speed is even, the noise is low, the stay wire type door closer is flexible and stable in design, the extra occupied space of the stay wire and the door closer is very small, the hidden installation in the side door can be realized, the personnel access is not influenced, and the interference to other facilities in the vehicle body is almost avoided.
According to some embodiments of the invention, two ends of the pull wire are connected to the vehicle body through a guide rod, the front end of the guide rod is hinged to the vehicle body, two ends of the pull wire are both hinged to the rear end of the guide rod, a limiting piece is mounted on the side door, a limiting hole is formed in the limiting piece, and the guide rod penetrates through the limiting hole and can slide back and forth and shake left and right relative to the limiting hole.
According to some embodiments of the invention, a protective box is mounted on the side door, and the limiting piece, part of the stay wire and part of the guide rod are all located in an area enclosed by the protective box.
According to some embodiments of the invention, the stay wire between the shell and the protection box is arranged in the protection tube in a penetrating way, the front end of the protection tube is fixedly arranged on the protection box, and the rear end of the protection tube is fixedly arranged on the shell.
According to some embodiments of the invention, a support plate is installed in the vehicle body, and the front end of the guide rod is hinged with the support plate.
According to some embodiments of the invention, the linear driving device comprises a servo motor, a screw rod and a screw rod nut, wherein the servo motor can drive the screw rod to rotate forwards and backwards, the screw rod nut is matched with the screw rod, the screw rod nut is fixedly arranged on the driving head, and the driving head is in sliding connection with the shell.
According to some embodiments of the invention, the screw is a non-self locking screw.
According to some embodiments of the invention, the servo motor is located at the rear of the transmission block, the transmission block is provided with a through hole for the screw rod to penetrate, and the tensile elastic pieces are provided with two groups and distributed on the left side and the right side of the servo motor.
According to some embodiments of the invention, the tensile elastic member is a tension spring.
An automobile according to an embodiment of the second aspect of the present invention includes the automobile side door automatic closing system according to the above-described embodiment of the first aspect of the present invention.
Has at least the following beneficial effects: by adopting the automobile side door automatic closing system, the comfort, convenience and intelligent level of the automobile are greatly improved.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of an embodiment of an automobile according to the present invention;
FIG. 2 is a schematic diagram of an embodiment of an automatic closing system for a side door of an automobile according to the present invention;
FIG. 3 is a schematic view of a portion of an embodiment of an automatic closing system for a side door of an automobile according to the present invention;
FIG. 4 is a schematic view showing the internal structure of a door closer according to an embodiment of the automatic closing system of the side door of the automobile of the present invention;
FIG. 5 is a cross-sectional view of a door closer of an embodiment of an automatic closing system for a side door of an automobile in accordance with the present invention.
Reference numerals: the door closer comprises a car body 1, a side door 2, a door closer 3, a shell 31, a linear driving device 32, a servo motor 321, a screw rod 322, a screw rod nut 323, a transmission block 33, a driving head 34, a stretching elastic piece 35, a first guide wheel 36, a second guide wheel 37, a stay wire 4, a guide rod 5, a limiting piece 6, a limiting hole 61, a protection box 7, a protection tube 8 and a supporting plate 9.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a plurality means one or more, and a plurality means two or more, and it is understood that greater than, less than, exceeding, etc. does not include the present number, and it is understood that greater than, less than, within, etc. include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 and 2, the present invention provides an automatic closing system of a side door of an automobile, comprising a vehicle body 1, a side door 2, a door closer 3 and a pull wire 4, wherein the front end of the side door 2 is rotatably connected with the vehicle body 1, and a door lock for locking the rear end of the side door 2 is installed on the vehicle body 1.
Referring to fig. 3, 4 and 5, the door closer 3 is mounted on the side door 2, and comprises a housing 31, a linear driving device 32 and a transmission block 33 slidably connected with the housing 31, wherein a driving head 34 is mounted at an output end of the linear driving device 32, the driving head 34 is positioned in front of the transmission block 33 and can push the transmission block 33 to move backwards, a rear end of the transmission block 33 is connected with a rear end of the housing 31 through a tensile elastic piece 35, first guide wheels 36 are mounted on left and right sides of the transmission block 33, a second guide wheel 37 positioned in front of the first guide wheels 36 is mounted on the housing 31, a stay wire 4 is sequentially wound on one of the first guide wheels 36, the second guide wheel 37 and the other first guide wheel 36, and two ends of the stay wire 4 extend forwards out of the housing 31 and are directly or indirectly connected with the vehicle body 1.
When the side door 2 is in an open state, the transmission block 33 and the driving head 34 are set at the front end position of the door closer 3, the stay wire 4 is in a straightened state, and when the side door 2 needs to be automatically closed, the linear driving device 32 is controlled to drive the driving head 34 to move backwards, the driving head 34 further pushes the transmission block 33 to move backwards, the first guide wheel 36 is further away from the second guide wheel 37, the stay wire 4 is driven to stretch backwards in the door closer 3, the stay wire 4 between the second guide wheel 37 and the vehicle body 1 is shortened, the side door 2 is forced to be pulled and rotated inwards to be in a closed state, and the side door can be locked on the vehicle body 1 by a door lock.
It will be appreciated that in view of the conventional rotational connection structure between the side door 2 and the vehicle body 1, the distance between the second guide wheel 37 and the vehicle body 1 tends to be longer in the open state of the side door 2 than the distance between the second guide wheel 37 and the vehicle body 1 in the closed state of the side door 2, and thus, when the wire 4 is pulled rearward in the door closer 3, the wire 4 between the second guide wheel 37 and the vehicle body 1 is shortened, and the side door 2 can be rotated inward to the closed state.
The first guide wheel 36 and the second guide wheel 37 may be pulleys, and the first guide wheel 36 corresponds to a movable pulley, and the second guide wheel 37 corresponds to a fixed pulley.
After the side door 2 is closed, the linear driving device 32 can be further added to control the driving head 34 to be reset to the front end position of the door closer 3, so that the driving head 34 does not block the forward moving route of the transmission block 33 when the side door 2 is opened again manually.
When the side door 2 is closed manually, the transmission block 33 is pulled backwards by the stretching elastic member 35 once the pull wire 4 between the second guide wheel 37 and the vehicle body 1 has a loose trend along with the inward rotation of the side door 2, so that the pull wire 4 is always kept in a straight state, and bending damage is avoided. Therefore, the function of manually and automatically closing the side door 2 can be realized, the whole operation is very convenient, the door closing speed is even, the noise is low, the stay wire type design is flexible and stable, the extra occupied space of the stay wire 4 and the door closer 3 is very small, the hidden installation in the side door 2 can be realized, the personnel access is not influenced, and the interference to other facilities in the vehicle body 1 is almost avoided.
Referring to fig. 2 and 3, in some embodiments of the present invention, two ends of a pull wire 4 are connected to a vehicle body 1 through a guide rod 5, a support plate 9 is installed in the vehicle body 1, the support plate 9 can be installed in front of a front door frame of the vehicle body 1, the front end of the guide rod 5 is hinged with the support plate 9, two ends of the pull wire 4 are both hinged with the rear end of the guide rod 5, a limiting piece 6 is installed on a side door 2, the limiting piece 6 is provided with a limiting hole 61, the guide rod 5 is arranged in the limiting hole 61 in a penetrating manner, the guide rod 5 can slide back and forth relative to the limiting hole 61, so that the opening and closing of the side door 2 are realized, the pull wire 4 is ensured not to exceed the area covered by the side door 2, and the support plate 9 is connected in a transitional manner through the guide rod 5, so that the safety and reliability are improved.
Since the rotation center of the side door 2 relative to the vehicle body 1 and the rotation center of the guide bar 5 relative to the vehicle body 1 or the support plate 9 do not practically coincide, in order to prevent the guide bar 5 from being stuck, the size of the limiting hole 61 is larger than that of the guide bar 5, and the limiting hole 61 provides sufficient movable adjustment space for the guide bar 5, so that the guide bar 5 can also shake left and right relative to the limiting hole 61 when sliding back and forth.
In addition, can also install protection box 7 on the side door 2, locating part 6, part act as go-between 4 and part guide bar 5 all are located the region that protection box 7 encloses, prevent to receive external interference, also more pleasing to the eye.
In some embodiments of the present invention, the stay wire 4 between the housing 31 and the protection box 7 is inserted into the protection tube 8, the front end of the protection tube 8 is fixedly mounted on the protection box 7, the rear end is fixedly mounted on the housing 31, and the protection tube 8 can protect the stay wire 4 from damage.
Referring to fig. 4 and 5, in some embodiments of the present invention, the linear driving device 32 includes a servo motor 321, a screw rod 322 and a screw rod nut 323, the servo motor 321 may drive the screw rod 322 to rotate forward and backward, the screw rod nut 323 is matched with the screw rod 322, the screw rod nut 323 is fixedly mounted on the driving head 34, the driving head 34 is slidably connected with the housing 31, the servo motor 321 may precisely drive the driving head 34 to slide back and forth, and in addition, a speed reducer may be disposed between the servo motor 321 and the screw rod 322 to more reasonably control the closing speed of the side door 2.
As described above, after the side door 2 is closed, the linear driving device 32 may further be added to control the forward return of the driving head 34 to the front end position of the door closer 3, so that the driving head 34 does not block the forward moving path of the transmission block 33 when the side door 2 is opened again manually. In this embodiment, the above steps may be omitted, the screw rod 322 is set to be a non-self-locking screw rod, the driving head 34 is still at the back position of the door closer 3 after the side door 2 is closed, when the side door 2 is opened again manually, the driving block 33 is forced to move forward, because the screw rod 322 is a non-self-locking screw rod, the screw rod is not constrained by the servo motor 321, the screw rod can be forced to rotate forward or rotate reversely, so that the driving block 33 can drive the driving head 34 to move forward together, and the normal opening action of the side door 2 is not affected.
In order to reasonably arrange the space inside the door closer 3, the servo motor 321 is located at the rear of the transmission block 33, the transmission block 33 is provided with a through hole for the screw rod 322 to penetrate, the stretching elastic pieces 35 are tension springs, two groups of tension springs are arranged and distributed on the left side and the right side of the servo motor 321, so that the door closer 3 is compact, and occupied space is small.
The invention also provides an automobile, comprising the automobile side door automatic closing system of the embodiment, wherein the linear driving device 32 or the servo motor 321 can be connected with an electric control system in the automobile body 1, and also can be connected with a remote control key in a wireless manner, so that the control convenience is improved, and the comfort, convenience and intelligent level of the automobile are greatly improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (10)
1. Automobile side door automatic closing system, its characterized in that includes:
the automobile comprises an automobile body and a side door, wherein the front end of the side door is rotationally connected with the automobile body, and a door lock for locking the rear end of the side door is arranged on the automobile body;
The door closer is arranged on the side door and comprises a shell, a linear driving device and a transmission block which is in sliding connection with the shell, a driving head is arranged at the output end of the linear driving device, the driving head is positioned in front of the transmission block and can push the transmission block to move backwards, the rear end of the transmission block is connected with the rear end of the shell through a stretching elastic piece, first guide wheels are respectively arranged at the left side and the right side of the transmission block, and second guide wheels positioned in front of the first guide wheels are arranged on the shell;
and the pull wire is sequentially wound on one first guide wheel, the second guide wheel and the other first guide wheel, and two ends of the pull wire extend forwards out of the shell and are directly or indirectly connected with the vehicle body.
2. The automatic closing system of automobile side door according to claim 1, wherein two ends of the pull wire are connected to the automobile body through guide rods, the front ends of the guide rods are hinged to the automobile body, two ends of the pull wire are both hinged to the rear ends of the guide rods, a limiting piece is mounted on the side door, a limiting hole is formed in the limiting piece, and the guide rods penetrate through the limiting hole and can slide back and forth and shake left and right relative to the limiting hole.
3. The automatic closing system of automobile side door according to claim 2, wherein a protective box is installed on the side door, and the limiting piece, part of the stay wire and part of the guide rod are all located in an area enclosed by the protective box.
4. The automatic closing system of side door of automobile according to claim 3, wherein the stay wire between the housing and the protective case is inserted into the protective tube, the front end of the protective tube is fixedly installed on the protective case, and the rear end is fixedly installed on the housing.
5. The automatic closing system of side door of automobile according to claim 2, wherein a support plate is installed in the automobile body, and the front end of the guide bar is hinged to the support plate.
6. The automatic closing system of automobile side door according to claim 1, wherein the linear driving device comprises a servo motor, a screw rod and a screw rod nut, the servo motor can drive the screw rod to rotate forward and backward, the screw rod nut is matched with the screw rod, the screw rod nut is fixedly installed on the driving head, and the driving head is in sliding connection with the shell.
7. The auto side door closing system of claim 6, wherein the screw is a non-self locking screw.
8. The automatic closing system of automobile side door according to claim 6, wherein the servo motor is located at the rear of the transmission block, the transmission block is provided with a through hole for the screw rod to penetrate, and the tensile elastic pieces are provided with two groups and are distributed on the left side and the right side of the servo motor.
9. The automatic closing system of automobile side door according to claim 1 or 8, wherein the tensile elastic member is a tension spring.
10. The automobile is characterized in that: comprising the automobile side door automatic closing system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010315375.2A CN111456582B (en) | 2020-04-21 | Side door automatic closing system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010315375.2A CN111456582B (en) | 2020-04-21 | Side door automatic closing system and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111456582A CN111456582A (en) | 2020-07-28 |
| CN111456582B true CN111456582B (en) | 2024-07-09 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212454073U (en) * | 2020-04-21 | 2021-02-02 | 珠海博跃科技有限公司 | Side door automatic closing system and car |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212454073U (en) * | 2020-04-21 | 2021-02-02 | 珠海博跃科技有限公司 | Side door automatic closing system and car |
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