CN108001536B - Bidirectional telescopic frame and working method thereof - Google Patents
Bidirectional telescopic frame and working method thereof Download PDFInfo
- Publication number
- CN108001536B CN108001536B CN201711378755.5A CN201711378755A CN108001536B CN 108001536 B CN108001536 B CN 108001536B CN 201711378755 A CN201711378755 A CN 201711378755A CN 108001536 B CN108001536 B CN 108001536B
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- China
- Prior art keywords
- sliding rail
- frame
- saddle
- seat
- rear sliding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/14—Understructures, i.e. chassis frame on which a vehicle body may be mounted of adjustable length or width
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention relates to a bidirectional telescopic frame, which comprises a frame body, wherein a front sliding rail is arranged above the front part of the frame body, a front sliding frame sliding back and forth along the front sliding rail is arranged on the front sliding rail, a front saddle is arranged on the front sliding frame, a rear sliding rail is arranged above the rear part of the frame body, a rear sliding frame sliding back and forth along the rear sliding rail is arranged on the rear sliding rail, a rear saddle is arranged on the rear sliding frame, a lifting bracket is arranged below the middle part of the frame body, and a middle saddle is arranged on the lifting bracket; the invention also relates to a working method of the bidirectional telescopic frame. The invention has simple and reasonable structural design, can realize the bidirectional extension and retraction of the frame and the conversion of the number of the seats according to actual conditions, is efficient and convenient, is easy to operate, has good flexibility and high practicability, and has wide application prospect.
Description
Technical Field
The invention relates to a bidirectional telescopic frame and a working method thereof.
Background
Along with the development of economic life, the requirements of people on the number of seats of automobiles are improved, along with the opening of a two-tire policy, the space of two rows and five seats can not meet the requirements of three generations of travel, MPV (Multi-Purpose Vehicle) automobiles are very popular in developed countries and become a popular trend in China, on the other hand, the problems of traffic jam and difficult parking exist in many places in China, and the longer size of the MPV automobiles is a disadvantage in road trafficability and parking. Currently, many car solutions with telescopic frames are designed, most of which are realized by means of changing the wheelbase, for example, the way the frames and wheels move together, so that one way movement tends to affect the overall rigidity of the chassis, while the one way movement method is not as good as the two way movement method in terms of movement time, movement distance and influence on the chassis rigidity.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide the bidirectional telescopic frame and the working method thereof, which are reasonable in structural design, efficient and convenient.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a two-way telescopic frame, includes the frame body, the anterior top of frame body is provided with preceding slide rail, be provided with on the preceding slide rail along its fore-and-aft sliding front carriage, be provided with preceding saddle on the preceding slide rail, the rear portion top of frame body is provided with the back slide rail, be provided with on the back slide rail along its fore-and-aft sliding back carriage, be provided with back saddle on the back carriage, the middle part below of frame body is provided with the over-and-under type support, be provided with well saddle on the over-and-under type support.
Further, a plurality of rollers are arranged at intervals in the length direction of the front sliding rail and the rear sliding rail, and concave cavities matched with the corresponding rollers are formed in the length direction of the front sliding rail and the rear sliding rail.
Further, the roller comprises a support which is longitudinally arranged, a rotating shaft is transversely arranged on the support, a pair of rotating wheels are arranged at the left end and the right end of the rotating shaft, the support is fixed on a front sliding rail or a rear sliding rail, and the rotating wheels are arranged in corresponding concave cavities of the front sliding frame or the rear sliding frame.
Further, the left and right side walls of the front sliding frame and the rear sliding frame are respectively provided with an upper arc plate used for positioning, the left and right side walls of the front sliding rail and the rear sliding rail are respectively provided with a lower arc plate used for bearing the upper arc plates, the lower arc plates are arranged below the upper arc plates, and a movement gap of 1-2 mm is formed between the upper arc plates and the lower arc plates.
Further, a screw rod is erected between the front sliding rail and the rear sliding rail, the screw rod is driven to rotate by a motor, a front screw nut used for being matched with the screw rod is arranged on the front sliding frame, a rear screw nut used for being matched with the screw rod is arranged on the rear sliding frame, and the screw directions of the front screw nut and the rear screw nut are opposite.
Further, the front end of the screw rod is connected with the front sliding rail through a bearing and a front bearing seat, and the rear end of the screw rod is connected with the rear sliding rail through a bearing and a rear bearing seat.
Further, travel switches are arranged on the front sliding rail and the rear sliding rail.
Further, the frame body is connected with the front axle and the rear axle through a suspension.
Further, a seat cabin for accommodating the lifting bracket and the middle frame is arranged below the middle part of the frame body, and a battery cabin for accommodating batteries is arranged beside the seat cabin.
The working method of the bidirectional telescopic frame comprises the following steps of:
(1) The front carriage moves along the front sliding rail away from the rear seat, the rear carriage moves along the rear sliding rail away from the front seat, and the lifting bracket drives the middle seat to ascend so as to realize bidirectional unfolding;
(2) The lifting bracket drives the middle saddle to descend, the front carriage drives the front saddle to move along the front sliding rail and close to the rear saddle, and the rear carriage drives the rear saddle to move along the rear sliding rail and close to the front saddle, so that bidirectional folding is realized.
Compared with the prior art, the invention has the following beneficial effects: the invention has simple and reasonable structural design, can realize the bidirectional extension and retraction of the frame and the conversion of the number of the seats according to actual conditions, is efficient and convenient, is easy to operate, has good flexibility and high practicability, and has wide application prospect.
The invention will be described in further detail with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a schematic diagram of the overall construction of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a front rail and a rear rail according to an embodiment of the present invention.
Fig. 3 is a schematic view of the construction of a front carriage according to an embodiment of the present invention.
Fig. 4 is a schematic view of the construction of the rear carriage according to the embodiment of the present invention.
Fig. 5 is a schematic view of a roller according to an embodiment of the invention.
Fig. 6 is a schematic view of a front rail and a front carriage according to an embodiment of the present invention.
Fig. 7 is a schematic view of a frame body according to an embodiment of the present invention.
Fig. 8 is a schematic diagram illustrating a state when the embodiment of the invention is folded.
Fig. 9 is a schematic view of the structure of the embodiment of the present invention when it is unfolded.
In the figure: 1-frame body, 2-front slide rail, 3-front carriage, 4-front saddle, 5-rear slide rail, 6-rear carriage, 7-rear saddle, 8-lifting bracket, 9-middle saddle, 10-roller, 101-support, 102-rotating shaft, 103-rotating wheel, 11-concave cavity, 12-upper arc plate, 13-lower arc plate, 14-screw rod, 15-motor, 16-front screw, 17-rear screw, 18-front bearing seat, 19-rear bearing seat, 20-travel switch, 21-front axle, 22-rear axle, 23-seat bin and 24-battery bin.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-9, a bidirectional telescopic frame comprises a frame body 1, a front sliding rail 2 is arranged above the front part of the frame body 1, a front sliding frame 3 sliding back and forth along the front sliding rail 2 is arranged on the front sliding rail 2, a front seat 4 is arranged on the front sliding frame 3, a rear sliding rail 5 is arranged above the rear part of the frame body 1, a rear sliding frame 6 sliding back and forth along the rear sliding rail 5 is arranged on the rear sliding rail 5, a rear seat 7 is arranged on the rear sliding frame 6, a lifting bracket 8 is arranged below the middle part of the frame body 1, and a middle seat 9 is arranged on the lifting bracket 8.
In the embodiment of the present invention, a plurality of rollers 10 are disposed at intervals along the length direction of the front sliding rail 2 and the rear sliding rail 5, and a concave cavity 11 for matching with the corresponding rollers 10 is disposed along the length direction of the front sliding frame 3 and the rear sliding frame 6.
In the embodiment of the present invention, the roller 10 includes a support 101 disposed longitudinally, a rotating shaft 102 is disposed on the support 101 transversely, a pair of rotating wheels 103 are disposed at left and right ends of the rotating shaft 102, the support 101 is fixed on the front sliding rail 2 or the rear sliding rail 5, and the rotating wheels 103 are disposed in the corresponding concave cavities 11 of the front sliding frame 3 or the rear sliding frame 6.
In the embodiment of the invention, the left and right side walls of the front carriage 3 and the rear carriage 6 are respectively provided with an upper arc plate 12 for positioning, the left and right side walls of the front sliding rail 2 and the rear sliding rail 5 are respectively provided with a lower arc plate 13 for bearing the upper arc plates 12, the lower arc plates 13 are arranged below the upper arc plates 12, and a movement gap of 1-2 mm is formed between the upper arc plates 12 and the lower arc plates 13; the upper arc plate 12 and the lower arc plate 13 are all in a hook shape, the upper arc plate 12 and the lower arc plate 13 are mutually matched, when the front saddle 4 and the rear saddle 7 shake, the upper arc plate 12 and the lower arc plate 13 are contacted together to play a role in positioning and bearing, under the balanced state, a gap of 1-2 mm is reserved between the upper arc plate 12 and the lower arc plate 13, and when the sliding is avoided, the upper arc plate 12 and the lower arc plate 13 rub each other to generate resistance.
In the embodiment of the invention, a screw rod 14 is erected between the front sliding rail 2 and the rear sliding rail 5, the screw rod 14 is driven to rotate by a motor 15, a front screw nut 16 matched with the screw rod 14 is arranged on the front sliding frame 3, a rear screw nut 17 matched with the screw rod 14 is arranged on the rear sliding frame 6, and the screw thread directions of the front screw nut 16 and the rear screw nut 17 are opposite.
In the embodiment of the invention, the front end of the screw rod 14 is connected with the front sliding rail 2 through a bearing and a front bearing seat 18, and the rear end of the screw rod 14 is connected with the rear sliding rail 5 through a bearing and a rear bearing seat 19.
In the embodiment of the present invention, the front sliding rail 2 and the rear sliding rail 5 are both provided with a travel switch 20.
In the embodiment of the present invention, the frame body 1 is connected to a front axle 21 and a rear axle 22 via a suspension.
In the embodiment of the invention, a seat cabin 23 for accommodating the lifting bracket 8 and the middle frame is arranged below the middle part of the frame body 1, and a battery cabin 24 for placing batteries is arranged beside the seat cabin 23; the lifting support 8 may be a scissor lift driven by an air cylinder, according to practical situations, and is not limited thereto.
In an embodiment of the present invention, a method for operating a bidirectional telescopic frame includes the above bidirectional telescopic frame, including the following steps:
(1) The front carriage 3 moves away from the rear saddle 7 along the front sliding rail 2, the rear carriage 6 moves away from the front saddle 4 along the rear sliding rail 5, and the lifting bracket 8 drives the middle saddle 9 to ascend so as to realize bidirectional unfolding;
(2) The lifting bracket 8 drives the middle saddle 9 to descend, the front carriage 3 moves along the front sliding rail 2 along with the front saddle 4 and close to the rear saddle 7, and the rear carriage 6 moves along the rear sliding rail 5 along with the rear saddle 7 and close to the front saddle 4, so that bidirectional folding is realized.
In the embodiment of the present invention, in step (1),
(1) The motor 15 drives the screw rod 14 to rotate forwards;
(2) Because the screw direction of the front screw 16 is opposite to the screw direction of the rear screw 17, the front screw 16 moves forward, the rear screw 17 moves backward, and the front screw 16 and the rear screw 17 are far away from each other along the screw rod 14;
(3) The front nut 16 drives the front sliding frame 3 to move forwards, and the front sliding rail 2 can ensure that the movement resistance of the front sliding frame 3 is small and the movement is smooth;
(4) The rear nut 17 drives the rear sliding frame 6 to move backwards, and the rear sliding rail 5 can ensure small moving resistance of the rear sliding frame 6 and smooth movement;
(5) When the rear screw 17 touches the travel switch 20, the motor 15 stops working, the rear carriage 6 is fixed under the self-locking function of the rear screw 17, the screw rod 14 and the worm and gear structure in the motor 15 reducer, and meanwhile, the front carriage 3 moves forward to a proper position and also keeps fixed;
(6) The lifting bracket 8 in the seat compartment 23 starts to rise, and after the middle seat rises to a predetermined position between the front seat and the rear seat, the unfolding process is completed.
In the embodiment of the present invention, in step (2),
(1) The lifting bracket 8 in the seat cabin 23 descends, and the middle seat descends to the original position;
(2) The motor 15 drives the screw rod 14 to reversely rotate;
(3) Since the screw direction of the front screw 16 is opposite to the screw direction of the rear screw 17, the front screw 16 moves backward, the rear screw 17 moves forward, and the front screw 16 and the rear screw 17 approach each other along the screw rod 14;
(4) The front nut 16 drives the front sliding frame 3 to move backwards, and the front sliding rail 2 can ensure that the movement resistance of the front sliding frame 3 is small and the movement is smooth;
(5) The rear nut 17 drives the rear sliding frame 6 to move forwards, and the rear sliding rail 5 can ensure small moving resistance of the rear sliding frame 6 and smooth movement;
(6) When the rear screw 17 touches the travel switch 20, the motor 15 stops working, the rear carriage 6 is fixed under the self-locking function of the rear screw 17, the screw rod 14 and the worm and gear structure in the motor 15 reducer, and meanwhile, the front carriage 3 moves forward to a proper position and also keeps fixed, so that the folding process is completed.
In the embodiment of the invention, the length of the vehicle body is adjusted by a bidirectional telescopic moving frame method under the condition of not changing the wheelbase, so that the requirements of people on different occasions such as shortening the length of the vehicle body when parking and increasing the number of internal seats when a plurality of passengers are met.
The present invention is not limited to the above-described preferred embodiments, and any person can obtain other various forms of the bidirectional telescopic frame and the working method thereof under the teaching of the present invention. All equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.
Claims (6)
1. A working method of a bidirectional telescopic frame is characterized in that: the bidirectional telescopic frame comprises a frame body, a front sliding rail is arranged above the front part of the frame body, a front sliding frame sliding back and forth along the front sliding rail is arranged on the front sliding rail, a front saddle is arranged on the front sliding frame, a rear sliding rail is arranged above the rear part of the frame body, a rear sliding frame sliding back and forth along the rear sliding rail is arranged on the rear sliding rail, a rear saddle is arranged on the rear sliding frame, a lifting bracket is arranged below the middle part of the frame body, and a middle saddle is arranged on the lifting bracket;
a screw rod is arranged between the front sliding rail and the rear sliding rail, the screw rod is driven to rotate by a motor, a front screw nut matched with the screw rod is arranged on the front sliding frame, a rear screw nut matched with the screw rod is arranged on the rear sliding frame, and the screw thread directions of the front screw nut and the rear screw nut are opposite;
the frame body is connected with the front axle and the rear axle through the suspension;
a seat cabin for accommodating the lifting bracket and the middle frame is arranged below the middle part of the frame body, and a battery cabin for accommodating a battery is arranged beside the seat cabin;
the working method of the bidirectional telescopic frame comprises the following steps:
(1) The front carriage moves along the front sliding rail away from the rear seat, the rear carriage moves along the rear sliding rail away from the front seat, and the lifting bracket drives the middle seat to ascend so as to realize bidirectional unfolding;
(2) The lifting bracket drives the middle saddle to descend, the front carriage drives the front saddle to move along the front sliding rail and close to the rear saddle, and the rear carriage drives the rear saddle to move along the rear sliding rail and close to the front saddle, so that bidirectional folding is realized.
2. The method of operating a two-way telescoping vehicle frame of claim 1, wherein: the front sliding rail and the rear sliding rail are provided with a plurality of rollers at intervals in the length direction, and concave cavities matched with the corresponding rollers are formed in the length direction of the front sliding rail and the rear sliding rail.
3. The method of operating a two-way telescoping vehicle frame of claim 2, wherein: the roller comprises a support which is longitudinally arranged, a rotating shaft is transversely arranged on the support, a pair of rotating wheels are arranged at the left end and the right end of the rotating shaft, the support is fixed on a front sliding rail or a rear sliding rail, and the rotating wheels are arranged in corresponding concave cavities of the front sliding frame or the rear sliding frame.
4. A method of operating a bi-directional telescoping carriage as set forth in claim 3 wherein: the left and right side walls of the front sliding frame and the rear sliding frame are respectively provided with an upper arc plate used for positioning, the left and right side walls of the front sliding rail and the rear sliding rail are respectively provided with a lower arc plate used for bearing the upper arc plates, the lower arc plates are arranged below the upper arc plates, and a movement gap of 1-2 mm is reserved between the upper arc plates and the lower arc plates.
5. The method of operating a two-way telescoping vehicle frame of claim 1, wherein: the front end of the screw rod is connected with the front sliding rail through a bearing and a front bearing seat, and the rear end of the screw rod is connected with the rear sliding rail through a bearing and a rear bearing seat.
6. The method of operating a two-way telescoping vehicle frame of claim 1, wherein: and travel switches are arranged on the front sliding rail and the rear sliding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711378755.5A CN108001536B (en) | 2017-12-19 | 2017-12-19 | Bidirectional telescopic frame and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711378755.5A CN108001536B (en) | 2017-12-19 | 2017-12-19 | Bidirectional telescopic frame and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108001536A CN108001536A (en) | 2018-05-08 |
| CN108001536B true CN108001536B (en) | 2023-06-13 |
Family
ID=62059919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711378755.5A Active CN108001536B (en) | 2017-12-19 | 2017-12-19 | Bidirectional telescopic frame and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108001536B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435767B (en) * | 2019-08-05 | 2021-05-18 | 南京工程学院 | Electric automobile frame with variable axle distance |
| EP4039566A4 (en) * | 2020-10-29 | 2022-08-10 | Contemporary Amperex Technology Co., Limited | Chassis, vehicle, equipment for manufacturing vehicle, and method for manufacturing vehicle |
| FR3134366B1 (en) * | 2022-04-11 | 2024-04-19 | Renault S A S | Vehicle including a common mechanism for adjusting the wheelbase and the height of the driver's seat. |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB446539A (en) * | 1935-01-17 | 1936-05-01 | George Grist | Improvements in or relating to road vehicles |
| FR2952894A1 (en) * | 2009-11-26 | 2011-05-27 | Mfumu Marco Muka | Device for supporting and rigidifying adjustable telescopic chassis-shell of e.g. minivan, has frame composed of sliding rear part, which is fitted in fixed front part of device, where rear part allows chassis-shell to be adjustable |
| CN201989901U (en) * | 2011-01-28 | 2011-09-28 | 武济群 | Frame connecting mechanism |
| CN102602455A (en) * | 2011-01-19 | 2012-07-25 | 高政华 | Retractable frame |
| CN105416402A (en) * | 2015-12-28 | 2016-03-23 | 东莞市永强汽车制造有限公司 | Retractable frame for low flat-bed semitrailer |
| JP2017124674A (en) * | 2016-01-12 | 2017-07-20 | トヨタ車体株式会社 | Seat slide device of vehicle |
| CN107074283A (en) * | 2014-09-29 | 2017-08-18 | 马泰奥·贝尔塔佐洛 | Adjustable base for motor vehicles |
-
2017
- 2017-12-19 CN CN201711378755.5A patent/CN108001536B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB446539A (en) * | 1935-01-17 | 1936-05-01 | George Grist | Improvements in or relating to road vehicles |
| FR2952894A1 (en) * | 2009-11-26 | 2011-05-27 | Mfumu Marco Muka | Device for supporting and rigidifying adjustable telescopic chassis-shell of e.g. minivan, has frame composed of sliding rear part, which is fitted in fixed front part of device, where rear part allows chassis-shell to be adjustable |
| CN102602455A (en) * | 2011-01-19 | 2012-07-25 | 高政华 | Retractable frame |
| CN201989901U (en) * | 2011-01-28 | 2011-09-28 | 武济群 | Frame connecting mechanism |
| CN107074283A (en) * | 2014-09-29 | 2017-08-18 | 马泰奥·贝尔塔佐洛 | Adjustable base for motor vehicles |
| CN105416402A (en) * | 2015-12-28 | 2016-03-23 | 东莞市永强汽车制造有限公司 | Retractable frame for low flat-bed semitrailer |
| JP2017124674A (en) * | 2016-01-12 | 2017-07-20 | トヨタ車体株式会社 | Seat slide device of vehicle |
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| Publication number | Publication date |
|---|---|
| CN108001536A (en) | 2018-05-08 |
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