CN107097882B - Folding mechanism of electric vehicle - Google Patents
Folding mechanism of electric vehicle Download PDFInfo
- Publication number
- CN107097882B CN107097882B CN201710270203.6A CN201710270203A CN107097882B CN 107097882 B CN107097882 B CN 107097882B CN 201710270203 A CN201710270203 A CN 201710270203A CN 107097882 B CN107097882 B CN 107097882B
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- folding
- arm
- guide rail
- sliding groove
- electric vehicle
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- 230000035939 shock Effects 0.000 claims description 15
- 239000006096 absorbing agent Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 3
- 210000000245 forearm Anatomy 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The invention provides a folding mechanism of an electric vehicle, which can solve the problems that the existing folding electric vehicle is large in size and inconvenient to store after being folded. The foldable arm passes through the guide rail support, the rear arm of the foldable arm is slidably installed in the sliding groove through a foldable limiting structure, and a safety structure is installed on the guide rail support and at a position close to the bottom end of the sliding groove; when the folding mechanism is in a folding state, the folding limiting structure on the folding arm is positioned at the top end of the sliding groove, the front arm of the folding arm is close to the front assembly, and the rear end of the guide rail bracket is close to the front arm of the folding arm; when the folding mechanism is in an unfolding state, the folding limiting structure on the folding arm is positioned at the bottom end of the sliding groove and limited by the safety structure, and the front assembly, the folding arm and the guide rail bracket form a triangular frame body.
Description
Technical Field
The invention relates to the technical field of electric vehicles, in particular to a folding mechanism of an electric vehicle.
Background
The electric vehicle is a tool widely used by people for riding instead of walk, and has the advantages of energy conservation, environmental protection, convenience in going out and the like. In order to carry and deposit, a lot of foldable electric scooter has appeared in recent years, but the volume is still very big after current foldable electric scooter is folding, and structure after folding is not compact, still needs great parking space, deposits more inconveniently.
Disclosure of Invention
Aiming at the problems, the invention provides a folding mechanism of an electric vehicle, which can solve the problems of larger volume and inconvenient storage of the existing folding electric vehicle after being folded.
The utility model provides a folding mechanism of electric motor car which characterized in that: the foldable guide rail device comprises a front assembly, a foldable arm and a guide rail support, wherein a sliding groove is formed in the guide rail support, the front end of the guide rail support is rotatably connected with the upper end of the front assembly, the lower end of the front assembly is rotatably connected with the front end of the foldable arm, the foldable arm penetrates through the guide rail support, the rear arm of the foldable arm is slidably mounted in the sliding groove through a foldable limiting structure, and a safety structure is mounted on the guide rail support and at a position close to the bottom end of the sliding groove; when the folding mechanism is in a folded state, the folding limiting structure on the folding arm is positioned at the top end of the sliding groove, the front arm of the folding arm is close to the front assembly, and the rear end of the guide rail bracket is close to the front arm of the folding arm; when the folding mechanism is in an unfolding state, the folding limiting structures on the folding arms are located at the bottom ends of the sliding grooves and limited by the safety structures, and the front assembly, the folding arms and the guide rail support form a triangular frame body.
Further, preceding assembly is including preceding pole setting upper segment, preceding connecting pipe and the preceding pole setting hypomere of interference fit in proper order from top to bottom, the front end of folding arm with the rear end of preceding pole setting hypomere rotates to be connected, rail brackets's front end with the rear end of preceding pole setting upper segment rotates to be connected, folding mechanism is when fold condition, the forearm of folding arm with preceding connecting pipe is parallel.
Furthermore, the guide rail bracket comprises two bracket plates which are parallel to each other, the two bracket plates are symmetrically arranged on two sides of the rear end of the upper section of the front vertical rod respectively, the front ends of the two bracket plates are rotatably connected with the upper section of the front vertical rod through a central shaft, the sliding grooves are arranged along the front and rear directions of the bracket plates, the rear arm of the folding arm penetrates through a space defined by the two bracket plates, the folding limiting structure comprises a folding limiting shaft, the folding limiting shaft is inserted on the rear arm of the folding arm in an interference manner, bearings are arranged at two ends of the folding limiting shaft respectively, and the two bearings are respectively assembled in the two sliding grooves in a rolling manner.
Furthermore, the safety structure comprises a folding wrench, one end of the folding limiting shaft extends out of the support plate, an assembly column is integrally formed at the position, close to the bottom end of the sliding groove, of the outer side of the support plate, the folding wrench is rotatably installed on the assembly column, and a torsion spring is assembled in the folding wrench; when the torsional spring is in natural state, the one end of folding spanner shelters from the sliding tray, works as folding spacing axle is followed during the sliding tray downstream, folding spacing axle is stirred folding spanner rotates, works as folding spacing axle move extremely during the sliding tray bottom, folding spanner with folding spacing axle breaks away from and the answer back, will folding spacing axle restriction is in the bottom position of sliding tray.
Furthermore, the folding mechanism of the electric vehicle further comprises a seat cushion, the front end of the seat cushion is supported at the rear end of the folding arm and is rotatably connected with the rear end of the folding arm, and the rear end of the seat cushion is suspended.
Furthermore, the folding mechanism of the electric vehicle further comprises a folding bow rack, the folding bow rack is positioned below the folding arm, one end of the folding bow rack is fixedly connected to the front arm of the folding arm, and the other end of the folding bow rack is fixedly connected to the rear arm of the folding arm.
Furthermore, two wing plates which are parallel to each other are integrally formed at the rear end of the lower section of the front vertical rod, and the front end of the folding arm extends into the space between the two wing plates and is rotatably connected with the two wing plates.
Furthermore, the side faces of the rear arm of the folding arm, which are opposite to the guide rail support, are respectively provided with an antifriction gasket, and the antifriction gaskets are attached to the inner side faces of the guide rail support.
Further, the casing is installed in the outside of rail brackets, the lower extreme of casing extends to the trailing arm below of folding arm is located folding arm below install the bolt on the preceding terminal surface of casing, the bolt hole has been seted up to the front end of folding arm, works as folding limit structure is located during the top of sliding tray, the bolt can cooperate and insert the bolt hole.
Furthermore, the folding mechanism of the electric vehicle further comprises a rear shock absorber, a mounting seat is fixedly connected to the rear end face of the shell below the rear arm of the folding arm, a limiting groove is formed in the lower end of the rear arm of the folding arm, the lower end of the rear shock absorber is fixedly connected to the mounting seat, and the upper end of the rear shock absorber is inserted into the limiting groove.
The invention has the beneficial effects that:
the folding mechanism mainly comprises a front assembly, a guide rail support and a folding arm, wherein the upper end of the guide rail support can rotate around the upper end of the front assembly, the front arm of the folding arm can rotate around the lower end of the front assembly, and the rear arm of the folding arm can directionally move along a sliding groove in the guide rail support through a folding limiting structure; when the folding limiting structure moves from bottom to top along the sliding groove, the folding arm and the guide rail bracket both rotate towards the direction of the front assembly, when the folding limiting structure moves to the top end of the sliding groove, the folding mechanism is completely folded, and the appearance of the folding mechanism is similar to a cuboid, so that the folding mechanism is small in size, compact in structure and very convenient to store; when folding limit structure from top to bottom moved along the sliding tray, folding arm and guide rail bracket all rotated to preceding assembly direction dorsad, when folding limit structure moved to the bottom of sliding tray, folding mechanism realized expandes completely, and folding limit structure prevented its rebound by insurance structure is spacing, can avoid folding mechanism to take place the unblock not hard up, had guaranteed driving safety.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1 (housing not shown);
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic view of the overall structure of the present invention in the expanded state;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 4;
FIG. 6 is an enlarged view of a portion of the area D in FIG. 5;
FIG. 7 is a schematic view of an installation structure of a folding wrench, a bracket plate, a folding limiting shaft and a bearing;
fig. 8 is an overall structure diagram of the folded state of the present invention.
Reference numerals are as follows: 1-front assembly; 3-folding arms; 4-seat cushion; 5-upper section of front vertical rod; 6-front connecting pipe; 7-the lower section of the front vertical rod; 8-a support plate; 9-central axis; 10-a sliding groove; 11-forearm; 12-a rear arm; 13-a trigger screw; 14-a first pair of locking screws; 15-a second pair of locking screws; 16-folding a limiting shaft; 17-a bearing; 18-a screw; 19-split washer; 20-assembling the column; 21-folding wrench; 22-torsion spring; 23-folding bow; 24-wing plate; 25-antifriction gaskets; 26-a housing; 27-a plug pin; 28-bolt holes; 29-rear shock absorption; 30-a mounting seat; 31-a limiting groove.
Detailed Description
Referring to fig. 1 to 8, the folding mechanism of an electric vehicle of the present invention comprises a front assembly 1, a guide rail bracket, a folding arm 3 and a seat cushion 4; the front assembly 1 comprises a front vertical rod upper section 5, a front connecting pipe 6 and a front vertical rod lower section 7 which are sequentially assembled in an interference fit manner from top to bottom, wherein both sides of the front end of the front vertical rod upper section 5 are used for mounting electric vehicle handles, and the lower end of the front vertical rod lower section 7 is used for mounting an electric vehicle front fork; the guide rail bracket comprises two bracket plates 8 which are parallel to each other, the two bracket plates 8 are respectively and symmetrically arranged at two sides of the rear end of the upper section 5 of the front vertical rod, the front ends of the two bracket plates 8 are rotatably connected with the upper section 5 of the front vertical rod through a central shaft 9, and the bracket plates 8 are provided with sliding grooves 10 along the front-back direction; the folding arm 3 comprises a front arm 11 and a rear arm 12, the front end of the rear arm 12 is inserted into a rear end cavity of the front arm 11 and is penetrated and fastened by a trigger screw 13, the front end of the front arm 11 is rotationally connected with the rear end of the front upright lower section 7 through a first pair of locking screws 14, the rear arm 12 passes through a space surrounded by the two support plates 8, the seat cushion 4 is supported at the rear end of the rear arm 12, and the front end of the seat cushion 4 is rotationally connected with the rear arm 12 through a second pair of locking screws 15; the rear arm 12 is inserted with a folding limiting shaft 16 in an interference manner, the folding limiting shaft 16 is a hollow shaft, internal threads are processed at two ends of the folding limiting shaft 16, bearings 17 are respectively assembled at two ends of the folding limiting shaft 16, one bearing 17 is blocked by a screw 18 screwed at one end of the folding limiting shaft 16, the other bearing 17 is blocked by an open retainer ring 19 arranged on the folding limiting shaft 16, and the other end of the folding limiting shaft 16 extends out of the support plate 8 and is sealed by the screw 18; two bearings 17 are respectively assembled in the two sliding grooves 10 in a rolling manner; an assembly column 20 is integrally formed at the position, close to the bottom end of the sliding groove 10, on the outer side of one of the support plates 8, the assembly column 20 is located on the same side as the extending section of the folding limiting shaft 16, a folding wrench 21 is rotatably mounted on the assembly column 20, and a torsion spring 22 is mounted in the folding wrench 21; when the torsion spring 22 is in a natural state, one end of the folding wrench 21 shields the sliding groove 10; when the folding limiting shaft 16 moves downwards along the sliding groove 10, the folding limiting shaft 16 drives the folding wrench 21 to rotate, when the folding limiting shaft 16 moves to the bottom end of the sliding groove 10, the folding wrench 21 is separated from the folding limiting shaft 16 and returns to the original position, the folding limiting shaft 16 is limited at the bottom end position of the sliding groove 10, and the front assembly, the folding arm 3 and the guide rail bracket form a triangular frame body; when the folding limiting shaft 16 moves to the top end of the sliding groove 10, the front arm 11 is parallel to the front connecting pipe 6, and the rear end of the guide rail bracket is close to the front arm 11.
Preferably, as shown in fig. 2, the folding mechanism further includes a folding bow 23, the folding bow 23 is located below the folding arm 3, one end of the folding bow 23 is fixedly connected to the front arm 11, and the other end of the folding bow 23 is fixedly connected to the rear arm 12, so as to exert the functions of bearing force and strengthening the folding arm.
Preferably, as shown in fig. 2 and 4, the rear end of the lower section 7 of the front vertical rod is integrally formed with two wings 24 parallel to each other, and the front end of the front arm 11 extends between the two wings 24 and is rotatably connected with the two wings 24. So set up, be convenient for more connect to can provide sufficient space for the rotation of folding arm.
Preferably, as shown in fig. 5, the side surfaces of the rear arms 12 opposite to the support plate 8 are respectively provided with an antifriction gasket 25, and the antifriction gaskets 25 are attached to the inner side surfaces of the support plate 8. The wear between the contact surface can be less when the trailing arm and mounting plate relative motion in antifriction gasket's setting, the life of extension mechanism.
Preferably, as shown in fig. 4 and 8, a housing 26 is mounted on the outer side of the rail bracket, the lower end of the housing 26 extends to the lower side of the rear arm 12, the lower end of the housing 26 is used for mounting a rear fork of the electric vehicle, a battery box can be mounted in the housing 26, a latch 27 is mounted on the front end surface of the housing 26 located below the rear arm 12, a latch hole 28 is formed in the front end of the front arm 11, and when the folding limiting shaft 16 moves to the top end of the sliding groove 10, the latch 27 can be inserted into the latch hole 28 in a matching manner. So set up, after folding mechanism finishes folding, through inserting the bolt hole with the bolt, can realize folding mechanism's locking, avoid carrying or folding mechanism scatter in the handling.
Preferably, as shown in fig. 4, the folding mechanism of the electric vehicle further includes a rear shock absorber 29, a mounting seat 30 is fixedly connected to the rear end surface of the housing 26 located below the rear arm 12, a limiting groove 31 is formed at the lower end of the rear arm 12, the lower end of the rear shock absorber 29 is fixedly connected to the mounting seat 30, and the upper end of the rear shock absorber 29 is inserted into the limiting groove 31. The shock of rear shock absorption's setting in can less electric motor car driving process increases the driving comfort, and rear shock absorption and trailing arm are the clearance fit, and when folding mechanism was folding, rear shock absorption's upper end broke away from the spacing groove, the folding of folding arm of being convenient for, when folding mechanism expanded, rear shock absorption's upper end inserted the spacing groove and played the cushioning effect.
The following describes in detail the process of folding and unfolding using the folding mechanism of the present invention:
1) Folding process: the seat cushion 4 is folded by turning over and the safety function of the folding wrench 21 is released, a force of pulling upward is applied to the rear arm 12, the folding arm 3 and the rail bracket are rotated simultaneously, the folding arm 3 moves upward along the sliding groove 10 of the rail bracket, when the bearing 17 moves to the top end of the sliding groove 10, the front connecting pipe 6 is parallel to the front arm 11 of the folding arm 3, and at this time, the latch 27 is inserted into the latch hole 28 prefabricated on the front arm 11 of the folding arm 3, and the whole folding moving part is locked.
2) And (3) unfolding: the bolt 27 is pulled out, downward force is applied to the rear arm 12, the folding arm 3 and the guide rail bracket move and unfold at the same time, the bearing 17 rolls downwards in the sliding groove 10, the folding wrench 21 is pulled out in the descending process of the folding limiting shaft 16, and when the folding limiting shaft descends to the bottom end position of the sliding groove 10, the folding wrench 21 returns to the original position to limit and lock the folding limiting shaft 16, so that the unfolding function is completed.
Claims (7)
1. The utility model provides a folding mechanism of electric motor car which characterized in that: the foldable guide rail device comprises a front assembly, a foldable arm and a guide rail support, wherein a sliding groove is formed in the guide rail support, the front end of the guide rail support is rotatably connected with the upper end of the front assembly, the lower end of the front assembly is rotatably connected with the front end of the foldable arm, the foldable arm penetrates through the guide rail support, the rear arm of the foldable arm is slidably mounted in the sliding groove through a foldable limiting structure, and a safety structure is mounted on the guide rail support and at a position close to the bottom end of the sliding groove; when the folding mechanism is in a folded state, the folding limiting structure on the folding arm is positioned at the top end of the sliding groove, the front arm of the folding arm is close to the front assembly, and the rear end of the guide rail bracket is close to the front arm of the folding arm; when the folding mechanism is in an unfolded state, the folding limiting structure on the folding arm is positioned at the bottom end of the sliding groove and limited by the safety structure, and the front assembly, the folding arm and the guide rail bracket form a triangular frame body;
the front assembly comprises a front vertical rod upper section, a front connecting pipe and a front vertical rod lower section which are sequentially assembled in an interference fit manner from top to bottom, the front end of the folding arm is rotatably connected with the rear end of the front vertical rod lower section, the front end of the guide rail bracket is rotatably connected with the rear end of the front vertical rod upper section, and when the folding mechanism is in a folded state, the front arm of the folding arm is parallel to the front connecting pipe;
the guide rail bracket comprises two bracket plates which are parallel to each other, the two bracket plates are symmetrically arranged on two sides of the rear end of the upper section of the front vertical rod respectively, the front ends of the two bracket plates are rotatably connected with the upper section of the front vertical rod through a central shaft, the sliding grooves are arranged along the front and rear directions of the bracket plates, the rear arm of the folding arm penetrates through a space defined by the two bracket plates, the folding limiting structure comprises a folding limiting shaft, the folding limiting shaft is inserted on the rear arm of the folding arm in an interference manner, bearings are arranged at two ends of the folding limiting shaft respectively, and the two bearings are respectively assembled in the two sliding grooves in a rolling manner;
the safety structure comprises a folding wrench, one end of the folding limiting shaft extends out of the support plate, an assembly column is integrally formed at the position, close to the bottom end of the sliding groove, of the outer side of the support plate, and the folding wrench is rotatably installed on the assembly column and is internally provided with a torsion spring; when the torsional spring is in natural state, the one end of folding spanner is sheltered from the sliding tray, works as folding spacing axle is followed during the sliding tray downstream, folding spacing axle is stirred folding spanner rotates, works as folding spacing axle motion extremely during the sliding tray bottom, folding spanner with folding spacing axle breaks away from and the home position, will folding spacing axle restriction is in the bottom position of sliding tray.
2. The folding mechanism of an electric vehicle as claimed in claim 1, wherein: the folding mechanism of the electric bicycle further comprises a seat cushion, the front end of the seat cushion is supported at the rear end of the folding arm and is rotatably connected with the rear end of the folding arm, and the rear end of the seat cushion is suspended.
3. The folding mechanism of an electric vehicle as claimed in claim 2, wherein: the folding mechanism of electric motor car still includes folding bow member, folding bow member is located folding arm below, and its one end rigid coupling is in on folding arm's forearm, other end rigid coupling is in on folding arm's the back arm.
4. The folding mechanism of an electric vehicle as claimed in claim 1, wherein: the rear end of the lower section of the front upright stanchion is integrally formed with two wing plates which are parallel to each other, and the front end of the folding arm extends into the space between the two wing plates and is rotationally connected with the two wing plates.
5. A folding mechanism of an electric vehicle according to claim 1 or 3, characterized in that: and the side surfaces of the rear arm of the folding arm, which are opposite to the guide rail bracket, are respectively provided with an antifriction gasket, and the antifriction gaskets are attached to the inner side surfaces of the guide rail bracket.
6. The folding mechanism of an electric vehicle according to claim 5, wherein: the guide rail support is characterized in that a shell is installed on the outer side of the guide rail support, the lower end of the shell extends to the lower portion of the rear arm of the folding arm, a bolt is installed on the front end face of the shell below the folding arm, a bolt hole is formed in the front end portion of the folding arm, and when the folding limiting structure is located at the top end of the sliding groove, the bolt can be inserted into the bolt hole in a matched mode.
7. The folding mechanism of an electric vehicle as claimed in claim 6, wherein: the folding mechanism of the electric vehicle further comprises a rear shock absorber, a mounting seat is fixedly connected to the rear end face of the shell below the rear arm of the folding arm, a limiting groove is formed in the lower end of the rear arm of the folding arm, the lower end of the rear shock absorber is fixedly connected to the mounting seat, and the upper end of the rear shock absorber is inserted into the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270203.6A CN107097882B (en) | 2017-04-24 | 2017-04-24 | Folding mechanism of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270203.6A CN107097882B (en) | 2017-04-24 | 2017-04-24 | Folding mechanism of electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107097882A CN107097882A (en) | 2017-08-29 |
| CN107097882B true CN107097882B (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710270203.6A Active CN107097882B (en) | 2017-04-24 | 2017-04-24 | Folding mechanism of electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN107097882B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205417944U (en) * | 2015-12-18 | 2016-08-03 | 金福楠 | Collapsible tricycle electric motor car |
| CN205632838U (en) * | 2016-04-12 | 2016-10-12 | 张钊荣 | Can fastly close folding electric motor car |
| CN105752249B (en) * | 2016-05-10 | 2018-06-26 | 浙江米加智能科技有限公司 | A kind of electric motor bicycle with folding |
| CN205769860U (en) * | 2016-05-12 | 2016-12-07 | 山东小牛机器人技术有限公司 | A kind of Portable folding electric vehicle |
| CN205971679U (en) * | 2016-08-12 | 2017-02-22 | 刘永杰 | Portable folding electric vehicle |
| CN207225558U (en) * | 2017-04-24 | 2018-04-13 | 无锡市申洋电机科技有限公司 | A kind of fold mechanism of electric car |
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2017
- 2017-04-24 CN CN201710270203.6A patent/CN107097882B/en active Active
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| CN107097882A (en) | 2017-08-29 |
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