CN215205211U

CN215205211U - Tensioning device of scooter

Info

Publication number: CN215205211U
Application number: CN202121054590.8U
Authority: CN
Inventors: 陈涛; 石勇
Original assignee: Jinhua Youheng Automobile Co ltd
Current assignee: Jinhua Youheng Automobile Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-12-17
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a overspeed device tensioner of scooter, its technical scheme main points are that first link rotates and is connected with the second linking bridge, and first linking bridge is provided with the work groove, and the second linking bridge is provided with and works groove matched with guide way, works groove and guide way and corresponds the intercommunication to sliding connection has the loose axle, and first linking bridge connection has the adapter, and the one end of adapter is connected with spacing spring, and the one end of spacing spring is connected on the loose axle. The utility model discloses following beneficial effect has: first linking bridge passes through the adapter and is connected with spacing spring, and spacing spring drives the loose axle and removes along the guide way to realize first linking bridge and the expansion or folding of second linking bridge. The movable shaft is driven by the limiting spring, so that the operation is simple, fingers are prevented from being injured by clamping, the use safety is good, the pulling force of the limiting spring is large, the time and the labor are saved in the folding process, and the labor intensity of an operator is reduced.

Description

Tensioning device of scooter

Technical Field

The utility model relates to a folding device field, more specifically say, it relates to a overspeed device tensioner of scooter.

Background

Along with the increasing pressure and the increasing blockage of urban traffic, people need a travel tool which is simple in structure, convenient to carry and operate urgently. Under this condition, the scooter is as a body-building and amusement equipment, its automobile body is fairly light and handy and have splendid mobility, therefore receive people's general liking, but ordinary scooter is because the automobile body is great and long, will occupy great storage space during indoor storage, when going out the activity, also inconvenient carrying, consequently the scooter on the existing market generally all has folding device, but current scooter beta structure is more complicated, folding process is very loaded down with trivial details, folding process wastes time and energy, and folding or the steadiness when expanding is relatively poor, if user's misoperation, probably can press from both sides the wound finger, we have proposed the overspeed device of a scooter for this reason and have solved the aforesaid not enough.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a overspeed device tensioner of scooter, the device easy operation, folding process labour saving and time saving, the security is good, reduces operator's intensity of labour.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a overspeed device tensioner of scooter, including first linking bridge, first linking bridge rotates and is connected with the second linking bridge, first linking bridge is provided with the work groove, the second linking bridge is provided with and works groove matched with guide way, work groove and guide way correspond the intercommunication, and sliding connection has the loose axle, first linking bridge is connected with the adapter, the one end of adapter is connected with spacing spring, spacing spring's one end is connected on the loose axle, spacing spring is used for driving the loose axle and removes along the guide way.

The utility model discloses further set up to: the guide groove is provided with a limit groove, a gap is arranged between the upper end of the limit groove and the upper end of the movable shaft, and an inclined plane is arranged and is abutted against the upper end of the movable shaft.

The utility model discloses further set up to: the limiting spring is further connected with an adjusting bolt used for adjusting the tightness of the limiting spring, and one side of the adjusting bolt is in threaded connection with the adapter.

The utility model discloses further set up to: the device is characterized by further comprising a driving device, wherein the driving device comprises a guide block and a wrench, the wrench is rotatably connected with the guide block, and the other side of the adjusting bolt is in threaded connection with the guide block.

The utility model discloses further set up to: the driving device is characterized by further comprising a connecting shaft and a return spring, the connecting shaft is fixedly connected to the inner side wall of the first connecting support and is connected with the wrench in a rotating mode, the return spring is sleeved on the inner side wall of the first connecting support, one end of the return spring is connected to the inner side wall of the first connecting support, and the other end of the return spring is connected to the outer side wall of the wrench.

The utility model discloses further set up to: the limiting spring is further connected with a sleeve, the sleeve is provided with an annular groove, a mounting hole used for inserting the movable shaft and a positioning hole used for communicating with the mounting hole, the positioning hole is connected with a positioning pin used for fixing the movable shaft, and one end of the limiting spring is connected to the annular groove.

The utility model discloses further set up to: first linking bridge still is provided with the recess that is used for holding the spanner, and the spanner is provided with the arch, and the arch can be placed in the recess, and the protruding spanner of being convenient for rotate.

The utility model discloses further set up to: the movable shaft is a square shaft, and the limiting groove is a square groove.

To sum up, the utility model discloses following beneficial effect has: first linking bridge passes through adapter and spacing spring coupling, and spacing spring drives the loose axle and removes along the guide way to realize the expansion or folding of first linking bridge and second linking bridge, adopt spacing spring to drive the loose axle, spacing spring pulling force is big, folding process labour saving and time saving reduces operator's intensity of labour. The user one-hand operation realizes the scooter folding or expansion state through spacing spring, and easy operation does not contact with the hookup location of folding or expansion, avoids pressing from both sides and hinders the finger, and the safety in utilization is good.

Drawings

FIG. 1 is an exploded view of a tensioner attachment structure for a scooter;

FIG. 2 is a partial cross-sectional view of a three-dimensional connecting structure of a scooter in an expanded state;

FIG. 3 is a partial cross-sectional view of a three-dimensional connection structure of a scooter in a folded state;

FIG. 4 is a schematic view of a guide slot on the second linking bracket;

FIG. 5 is a plan view of a portion of the second linking bracket in a deployed state with the guide grooves in place;

FIG. 6 is a plan view of a partially folded state of the guide grooves of the second linking bracket;

FIG. 7 is a schematic view of a three-dimensional connection structure of a scooter in an expanded state;

FIG. 8 is a schematic folding view of a three-dimensional connection structure of a scooter tension device;

reference numerals: 1. a first connecting bracket; 11. a working groove; 12. a groove; 2. a second connecting bracket; 21. a guide groove; 211. a limiting groove; 212. a gap; 213. a bevel; 3. a movable shaft; 4. an adapter; 5. a limiting spring; 6. adjusting the bolt; 7. a drive device; 71. a guide block; 72. a wrench; 721. a protrusion; 73. a connecting shaft; 74. a return spring; 8. a sleeve; 81. an annular groove; 82. mounting holes; 83. positioning holes; 84. and a positioning pin.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-8, a tensioning device of a scooter, including a first connecting support 1, the first connecting support 1 is rotatably connected with a second connecting support 2, the first connecting support 1 is provided with a working groove 11, the second connecting support 2 is provided with a guide groove 21 matched with the working groove 11, the working groove 11 corresponds to the guide groove 21 and is communicated with the guide groove, and the first connecting support 1 is connected with an adapter 4, one end of the adapter 4 is connected with a limit spring 5, one end of the limit spring 5 is connected to the movable shaft 3, and the limit spring 5 is used for driving the movable shaft 3 to move along the guide groove 21.

Through the above scheme, first linking bridge 1 is connected with spacing spring 5 through adapter 4, and spacing spring 5 drives loose axle 3 and removes along guide way 21 to realize the expansion or folding of first linking bridge 1 and second linking bridge 2, adopt spacing spring 5 to drive loose axle 3, spacing spring 5 pulling force is big, folding process labour saving and time saving reduces operator's intensity of labour. User one-hand operation realizes the scooter folding or expansion state through spacing spring 5, and easy operation does not contact with the hookup location of folding or expansion, avoids pressing from both sides and hinders the finger, and the safety in utilization is good.

As a modified embodiment, referring to fig. 1, 4, 5 and 6, the guide groove 21 is provided with a stopper groove 211, a gap 212 is provided between the upper end of the stopper groove 211 and the upper end of the movable shaft 3, and an inclined surface 213 is provided, and the inclined surface 213 abuts against the upper end of the movable shaft 3.

Through the above scheme, when folding or expand, spacing spring 5 drives loose axle 3 card and goes into spacing groove 211, let inclined plane 213 on the spacing groove 211 offset with the top of loose axle 3, thereby make and leave clearance 212 between spacing groove 211 upper end and the loose axle 3 upper end, when loose axle 3 or spacing groove 211 wearing and tearing, spacing spring 5 drives the butt rebound of loose axle 3 and inclined plane 213, thereby make clearance 212 reduce, the inclination of inclined plane 213 is less, inclination is between 2-3, make loose axle 3 continue chucking spacing groove 211, the steadiness when making folding or expand is good, increase of service life simultaneously.

As a modified specific embodiment, referring to fig. 1 and 2, the limit spring 5 is further connected with an adjusting bolt 6 for adjusting the tightness of the limit spring 5, and one side of the adjusting bolt 6 is in threaded connection with the adapter 4.

Through the scheme, the adjusting bolt 6 is installed on the limiting spring 5 through the adapter 4, the adjusting bolt 6 is rotated, and the tightness of the limiting spring 5 is adjusted, so that the tensile size of the multiple movable shafts 3 of the limiting spring 5 is adjusted, the structure is simple, and the adjustment is convenient. When the folding or unfolding, the limiting spring 5 drives the movable shaft 3 to be clamped into the limiting groove 211, and the clamping is firm.

As a modified specific embodiment, referring to fig. 1 and 2, the device further includes a driving device 7, the driving device 7 includes a guide block 71 and a wrench 72, the wrench 72 is rotatably connected to the guide block 71, and the other side of the adjusting bolt 6 is threadedly connected to the guide block 71.

Through the scheme, the wrench 72 is hollow, the weight is reduced, and the guide block 71 is rotatably connected with the wrench 72 so as to drive the limiting spring 5 to stretch. The screw thread that adjusting bolt 6 connects guide block 71 one end is the derotation, and the screw thread that connects 5 one ends of spacing spring is the corotation, rotates adjusting bolt 6, adjusts the elasticity between guide block 71 and the spacing spring 5 to adjustment drive arrangement 7 is to the tensile size of spacing spring 5, simple structure, and it is convenient to adjust.

As a modified specific embodiment, referring to fig. 1 and 2, the driving device 7 further includes a connecting shaft 73 and a return spring 74, the connecting shaft 73 is fixedly connected to an inner side wall of the first connecting bracket 1 and rotatably connected to the wrench 72, and is sleeved with the return spring 74, one end of the return spring 74 is connected to the inner side wall of the first connecting bracket 1, and the other end of the return spring 74 is connected to an outer side wall of the wrench 72.

Through the scheme, the wrench 72 is rotatably connected with the first connecting support 1 through the connecting shaft 73, the return spring 74 drives the wrench 72 to rotate around the connecting shaft 73 in the first connecting support 1, and after folding or unfolding is completed, the return spring 74 drives the wrench 72 to automatically reset, so that strength is saved. When the number of the return springs 74 is two, the two return springs are respectively installed on two sides of the wrench 72, so that more labor is saved when the wrench 72 is driven to return, the time and labor are saved, the limit spring 5 is driven to pull the movable shaft 3, and the service life of the return springs 74 is prolonged.

As a modified specific embodiment, referring to fig. 1 and 2, the limiting spring 5 is further connected with a sleeve 8, the sleeve 8 is provided with an annular groove 81, a mounting hole 82 for inserting the movable shaft 3 and a positioning hole 83 communicated with the mounting hole 82, the positioning hole 83 is connected with a positioning pin 84 for fixing the movable shaft 3, and one end of the limiting spring 5 is connected with the annular groove 81.

Through the scheme, the movable shaft 3 is sleeved in the mounting hole 82 of the sleeve 8, the movable shaft 3 is fixed by the positioning pin 84, the sliding of the movable shaft 3 is avoided, and the connection is firm. The outside of sleeve 8 is circular, makes

spacing spring

5 and 8 hookup location atress even, prolongs the life of

spacing spring

5 and 8 junctions. The limiting spring 5 is sleeved in the annular groove 81, the annular groove 81 is arranged in the middle of the sleeve 8, the left-right swing of the position of the limiting spring 5 is avoided, and the movable shaft 3 is stressed uniformly.

As a modified embodiment, referring to fig. 1, 2 and 3, the first connecting bracket 1 is further provided with a groove 12 for accommodating the wrench 72, the wrench 72 is provided with a protrusion 721, the protrusion 721 can be placed in the groove 12, and the protrusion 721 facilitates the rotation of the wrench 72.

Through the above scheme, when folding or unfolding is completed, the wrench 72 is placed on the inner side wall of the first connecting bracket 1, so that the first connecting bracket 1 is attractive, and meanwhile, the wrench 72 is prevented from being collided by a user. The protrusion 721 of the wrench 72 is placed in the recess 12 of the first connecting bracket 1, and a gap 212 for accommodating at least one finger is left between the protrusion 721 and the recess 12, thereby facilitating the wrench 72 to be wrenched for folding or unfolding.

As a specific embodiment of the improvement, referring to fig. 1 and 4, the movable shaft 3 is a square shaft, and the limit groove 211 is a square groove.

Through the above scheme, loose axle 3 sets up to the square shaft, and spacing groove 211 sets up to the square groove, and spacing spring 5 taut square shaft card goes into spacing groove 211 in, and is spacing to the fixed of first linking bridge 1 and second linking bridge 2, avoids first linking bridge 1 and second linking bridge 2 junction to rock, and the steadiness when making folding or expand is good.

It is only above the utility model discloses the concrete implementation of preferred, nevertheless the utility model discloses a protection scope does not only confine above-mentioned embodiment to, the all belongs to the utility model discloses technical scheme under the thinking all belongs to the utility model discloses a protection scope. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a overspeed device tensioner of scooter, characterized by: including first linking bridge (1), first linking bridge (1) rotates and is connected with second linking bridge (2), first linking bridge (1) is provided with work groove (11), second linking bridge (2) are provided with and work groove (11) matched with guide way (21), work groove (11) and guide way (21) correspond the intercommunication to sliding connection has loose axle (3), first linking bridge (1) is connected with adapter (4), the one end of adapter (4) is connected with spacing spring (5), the one end of spacing spring (5) is connected on loose axle (3), spacing spring (5) are used for driving loose axle (3) and remove along guide way (21).

2. The tightening device for a scooter according to claim 1, wherein: the guide groove (21) is provided with a limit groove (211), a gap (212) is arranged between the upper end of the limit groove (211) and the upper end of the movable shaft (3), an inclined plane (213) is arranged, and the inclined plane (213) is abutted to the upper end of the movable shaft (3).

3. The tightening device for a scooter according to claim 2, wherein: spacing spring (5) still are connected with adjusting bolt (6) that are used for adjusting spacing spring (5) elasticity, one side and adapter (4) threaded connection of adjusting bolt (6).

4. The tightening device for a scooter according to claim 3, wherein: the adjusting device is characterized by further comprising a driving device (7), wherein the driving device (7) comprises a guide block (71) and a wrench (72), the wrench (72) is rotatably connected with the guide block (71), and the other side of the adjusting bolt (6) is in threaded connection with the guide block (71).

5. The tightening device for a scooter according to claim 4, wherein: drive arrangement (7) are still including connecting axle (73) and return spring (74), connecting axle (73) fixed connection rotates with spanner (72) on the inside wall of first linking bridge (1) to the cover is equipped with return spring (74), the one end of return spring (74) is connected on the inside wall of first linking bridge (1), the other end of return spring (74) is connected on the lateral wall of spanner (72).

6. The tightening device for a scooter according to any one of claims 1 to 5, wherein: spacing spring (5) still are connected with sleeve (8), sleeve (8) are provided with ring channel (81), are used for supplying loose axle (3) male mounting hole (82) and are used for locating hole (83) with mounting hole (82) intercommunication, locating hole (83) are connected with locating pin (84) that are used for fixed loose axle (3), the one end of spacing spring (5) is connected on ring channel (81).

7. The tightening device for a scooter according to claim 6, wherein: the first connecting bracket (1) is further provided with a groove (12) used for accommodating a wrench (72), the wrench (72) is provided with a protrusion (721), the protrusion (721) can be placed in the groove (12), and the protrusion (721) is convenient for rotating the wrench (72).

8. The tightening device for a scooter according to claim 2, wherein: the movable shaft (3) is a square shaft, and the limiting groove (211) is a square groove.