CN216002939U

CN216002939U - Adjustable bicycle frame

Info

Publication number: CN216002939U
Application number: CN202122842167.0U
Authority: CN
Inventors: 刘建刚
Original assignee: Tianjin Kuanfu Bicycle Co ltd
Current assignee: Tianjin Kuanfu Bicycle Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-03-11
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a can regulate and control bicycle frame relates to bicycle technical field. The utility model discloses a frame support pole, the adjustment mechanism who is used for adjusting the width is installed at the top of frame support pole one end, and adjustment mechanism is fixed with the frame support pole including connecting shell, connecting rod, support shell, clamp plate, reset spring, connecting plate, cardboard and backup pad, the one end of connecting shell, and the inside sliding connection of the connecting shell other end has the connecting rod, and the one end that the connecting shell was kept away from to the connecting rod is fixed with the location axle, and the inside of connecting shell is fixed with the support shell. The utility model discloses a cooperation of connection shell, connecting rod and adjustment mechanism for the frame can be followed different height child's use and adjusted the width when using, and just through the cooperation of spacing slide bar, spacing sliding sleeve, the circular shell that rotates of first circular rotation and the circular shell that rotates of second, makes the frame can carry out dual support through stop gear when carrying out the width modulation.

Description

Adjustable bicycle frame

Technical Field

The utility model belongs to the technical field of the bicycle, especially, relate to a can regulate and control bicycle frame.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides a vehicle, the person steps on the pedal as power, so that the vehicle is a green environment-friendly vehicle and is used for riding instead of walking and going out as the environment-friendly vehicle; more and more people use the bicycle as fitness equipment for riding exercise and bicycle travel, and the width of the existing bicycle cannot be adjusted when children with different heights use the bicycle, so that the palm of the child with lower height cannot reach the handle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can regulate and control bicycle frame to solve current problem: the width of the existing bicycle can not be adjusted when children with different heights use the bicycle, so that the palm of the child with lower height can not reach the handle.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the utility model provides a can regulate and control bicycle frame, includes the frame bracing piece, the adjustment mechanism who is used for adjusting the width is installed at the top of frame bracing piece one end, adjustment mechanism keeps away from the one end of frame bracing piece and installs the location axle, the one end of location axle bottom is fixed with the second fixed axle, the bottom of frame bracing piece is fixed with first fixed axle, install between first fixed axle and the second fixed axle and be used for spacing stop gear.

Further, the adjusting mechanism comprises a connecting shell, a connecting rod, a supporting shell, a pressing plate, a return spring, a connecting plate, a clamping plate and a supporting plate, one end of the connecting shell is fixed with the frame supporting rod, the inside of the other end of the connecting shell is connected with a connecting rod in a sliding way, and one end of the connecting rod far away from the connecting shell is fixed with the positioning shaft, a supporting shell is fixed inside the connecting shell, the inside of the supporting shell is connected with a connecting plate in a sliding way, a return spring is fixed inside the supporting shell and at the bottom of the connecting plate, a supporting plate is fixed in the middle of the top of the connecting plate, the supporting plate and the supporting shell, and the supporting plate and the connecting shell are connected in a sliding way, a pressing plate is fixed on the top of the supporting plate, the clamping plates are fixed on the top of the connecting plate and located on two sides of the supporting plate, and the clamping plates are connected with the supporting shell in a sliding mode and connected with the connecting rod in a sliding mode.

Furthermore, a square groove is formed in the connecting rod and in a position corresponding to the supporting shell.

Furthermore, the inside on connecting rod top and the corresponding position equipartition of cardboard have seted up the draw-in groove, the connecting rod passes through draw-in groove sliding connection with the cardboard.

Furthermore, the inside on connecting rod top and the position equipartition corresponding with the backup pad have seted up spacing spout, the connecting rod passes through spacing spout sliding connection with the backup pad.

Further, the locating component who is used for preventing the mistake from touching is still installed at the top of connecting shell, locating component includes locating plate, limiting plate and circular spacing post, the top of connecting shell and the both sides that are located the backup pad all are fixed with the locating plate, the constant head tank has been seted up to the inside of locating plate one end, the inside of constant head tank is fixed with circular spacing post, one of them the outside sliding connection of circular spacing post has the limiting plate, another of them circular spacing post and limiting plate joint, just limiting plate and backup pad sliding connection.

Further, stop gear includes that spacing slide bar, spacing sliding sleeve, first circular rotate the shell and the circular shell that rotates of second, the one end of spacing slide bar is fixed with first circular rotation shell, just first circular rotation shell rotates with the second fixed axle to be connected, the one end sliding connection that first circular rotation shell was kept away from to spacing slide bar has spacing sliding sleeve, the one end that spacing slide bar was kept away from to spacing sliding sleeve is fixed with the circular shell that rotates of second, just the circular shell that rotates of second rotates with first fixed axle to be connected.

The utility model discloses following beneficial effect has:

1. the utility model discloses a cooperation of connecting shell, connecting rod and adjustment mechanism for the frame can be followed different height children's use and adjusted the width when using.

2. The utility model discloses a cooperation of locating plate, limiting plate and circular spacing post for locating component can highly carry on spacingly to the backup pad, makes adjustment mechanism can not become flexible because of the mistake touches.

3. The utility model discloses a spacing slide bar, spacing sliding sleeve, first circular rotation shell and the circular cooperation of rotating the shell of second for the frame can carry out the dual bracing through stop gear when carrying out the width modulation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic view of the internal structure of the connection shell of the present invention;

FIG. 3 is a schematic structural view of the connecting rod of the present invention;

fig. 4 is a schematic view of the internal structure of the support shell of the present invention;

fig. 5 is a schematic structural view of the positioning assembly of the present invention;

fig. 6 is a schematic view of a connection structure of the circular limiting post and the limiting plate of the present invention;

fig. 7 is a schematic structural view of the limiting mechanism of the present invention;

fig. 8 is the internal structure diagram of the limiting sliding sleeve of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a frame support bar; 2. a first fixed shaft; 3. a connecting shell; 4. a connecting rod; 5. positioning the shaft; 6. a second fixed shaft; 7. a limiting slide bar; 8. a support housing; 9. pressing a plate; 10. a limiting chute; 11. a card slot; 12. a return spring; 13. a connecting plate; 14. clamping a plate; 15. a support plate; 16. positioning a plate; 17. a limiting plate; 18. a circular limiting column; 19. a limiting sliding sleeve; 20. a first circular rotating housing; 21. a second circular rotating housing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-8, the utility model relates to an adjustable bicycle frame, which comprises a frame support rod 1, an adjusting mechanism for adjusting the width is installed on the top of one end of the frame support rod 1, the adjusting mechanism comprises a connecting shell 3, a connecting rod 4, a supporting shell 8, a pressing plate 9, a reset spring 12, a connecting plate 13, a clamping plate 14 and a supporting plate 15, one end of the connecting shell 3 is fixed with the frame support rod 1, the other end of the connecting shell 3 is connected with the connecting rod 4 in a sliding manner, one end of the connecting rod 4 far away from the connecting shell 3 is fixed with a positioning shaft 5, the connecting shell 3 is fixed with the supporting shell 8 in the connecting shell, the supporting shell 8 is connected with a connecting plate 13 in a sliding manner, the reset spring 12 is fixed in the supporting shell 8 and at the bottom of the connecting plate 13, so that the connecting plate 13 can be reset by the rebound of the reset spring 12 after being pressed down, the supporting plate 15 is fixed in the middle of the top of the connecting plate 13, and the supporting plate 15 and the supporting shell 8, the supporting plate 15 and the connecting shell 3 are connected in a sliding manner, the pressing plate 9 is fixed at the top of the supporting plate 15, the clamping plates 14 are fixed at the top of the connecting plate 13 and positioned at two sides of the supporting plate 15, the clamping plates 14 are connected between the clamping plates 14 and the supporting shell 8, and the clamping plates 14 and the connecting rod 4 are connected in a sliding manner, so that the width of the children can be adjusted by using the children with different heights.

Furthermore, a square groove is formed in the connecting rod 4 and at a position corresponding to the supporting shell 8, so that the connecting rod 4 can slide in the connecting shell 3 quickly;

preferably, the inside of the top end of the connecting rod 4 and the positions corresponding to the clamping plates 14 are uniformly provided with clamping grooves 11, and the connecting rod 4 and the clamping plates 14 are connected in a sliding manner through the clamping grooves 11, so that the clamping plates 14 can quickly fix the positions of the connecting rod 4;

specifically, the positions, corresponding to the support plate 15, inside the top end of the connecting rod 4 are uniformly provided with limiting sliding grooves 10, and the connecting rod 4 is connected with the support plate 15 in a sliding manner through the limiting sliding grooves 10, so that the connecting rod 4 can conveniently slide;

the top of the connecting shell 3 is also provided with a positioning assembly for preventing accidental touch, the positioning assembly comprises a positioning plate 16, a positioning plate 17 and circular limiting columns 18, the positioning plate 16 is fixed at the top of the connecting shell 3 and positioned at two sides of the supporting plate 15, a positioning groove is formed in one end of the positioning plate 16, the circular limiting columns 18 are fixed in the positioning groove, the limiting plate 17 is connected to the outer side of one circular limiting column 18 in a sliding mode, an arc-shaped groove is formed in the position, corresponding to one circular limiting column 18, in the position of the inner side of the positioning plate 17, the positioning plate 17 can move, the other circular limiting column 18 is clamped with the positioning plate 17, the positioning plate 17 is connected with the supporting plate 15 in a sliding mode, the height of the supporting plate 15 can be limited, and the adjusting mechanism cannot be loosened due to accidental touch;

the bottom of frame bracing piece 1 is fixed with first fixed axle 2, the one end of location axle 5 bottom is fixed with second fixed axle 6, install between first fixed axle 2 and the second fixed axle 6 and be used for spacing stop gear, stop gear includes spacing slide bar 7, spacing sliding sleeve 19, first circular shell 20 and the circular shell 21 that rotates of second, the one end of spacing slide bar 7 is fixed with first circular shell 20 that rotates, and first circular shell 20 that rotates and is connected with second fixed axle 6 rotation, the one end sliding connection that first circular shell 20 that rotates is kept away from to spacing slide bar 7 has spacing sliding sleeve 19, the one end that spacing slide bar 7 was kept away from to spacing sliding sleeve 19 is fixed with the circular shell 21 that rotates of second, and the circular shell 21 that rotates of second rotates is connected with first fixed axle 2 rotation, thereby make the frame can carry out the dual bracing through stop gear when carrying out the width modulation.

One specific application of this embodiment is: when children with different heights need to use the bicycle, the limiting plate 17 is connected with one of the circular limiting columns 18 in a sliding manner, so that the limiting plate 17 can rotate around the one of the circular limiting columns 18 to a certain extent, the other end of the limiting plate 17 is separated from the other circular limiting column 18, the limiting plate 17 can slide through an arc-shaped groove in the limiting plate 17, the limiting plate 17 is separated from the positioning plate 16 corresponding to the other circular limiting column 18, and then the limiting plate 17 is rotated to separate the limiting plate 17 from the supporting plate 15;

then pressing the pressing plate 9 to enable the pressing plate 9 to drive the connecting plate 13 to descend through the supporting plate 15, enabling the connecting plate 13 to descend to extrude the return spring 12, enabling the connecting plate 13 to descend to drive the clamping plate 14 to separate the clamping plate 14 from the clamping groove 11, then moving the connecting rod 4, adjusting the length of the connecting rod 4 inside the connecting shell 3, and adjusting the width of the connecting rod 4 through the use of children with different heights;

meanwhile, according to the rotation connection of the first round rotating shell 20 and the second fixing shaft 6, the second round rotating shell 21 is connected with the first fixing shaft 2 in a rotating mode, so that the connecting rod 4 can adjust the length, the limiting slide rod 7 can move, the length of the limiting slide rod 7 inside the limiting slide sleeve 19 can be adjusted, and further double support can be achieved through the limiting mechanism when the width is adjusted.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a bicycle frame can be regulated and control, includes frame bracing piece (1), its characterized in that: the top of frame bracing piece (1) one end is installed and is used for adjusting the adjustment mechanism of width, adjustment mechanism keeps away from the one end of frame bracing piece (1) and installs location axle (5), the one end of location axle (5) bottom is fixed with second fixed axle (6), the bottom of frame bracing piece (1) is fixed with first fixed axle (2), install between first fixed axle (2) and second fixed axle (6) and be used for spacing stop gear.

2. The frame of claim 1, wherein: the adjusting mechanism comprises a connecting shell (3), a connecting rod (4), a supporting shell (8), a pressing plate (9), a reset spring (12), a connecting plate (13), a clamping plate (14) and a supporting plate (15), wherein one end of the connecting shell (3) is fixed to a frame supporting rod (1), the connecting rod (4) is connected to the inner sliding portion of the other end of the connecting shell (3), one end, far away from the connecting shell (3), of the connecting rod (4) is fixed to a positioning shaft (5), the supporting shell (8) is fixed to the inner portion of the connecting shell (3), the connecting plate (13) is connected to the inner sliding portion of the supporting shell (8), the reset spring (12) is fixed to the inner portion of the supporting shell (8) and the bottom portion, located at the connecting plate (13), the supporting plate (15) is fixed to the middle portion of the top of the connecting plate (13), and the supporting plate (15) and the supporting shell (8) are connected, Equal sliding connection between backup pad (15) and connecting shell (3), the top of backup pad (15) is fixed with clamp plate (9), the top of connecting plate (13) and the both sides that are located backup pad (15) all are fixed with cardboard (14), just equal sliding connection between cardboard (14) and support shell (8), between cardboard (14) and connecting rod (4).

3. The frame of claim 2, wherein: the inside of connecting rod (4) and the position that corresponds with support shell (8) have seted up square groove.

4. The frame of claim 2, wherein: the connecting rod (4) is characterized in that clamping grooves (11) are uniformly formed in the top end of the connecting rod (4) and in positions corresponding to the clamping plates (14), and the connecting rod (4) is connected with the clamping plates (14) in a sliding mode through the clamping grooves (11).

5. The frame of claim 2, wherein: limiting sliding grooves (10) are uniformly formed in the top end of the connecting rod (4) and in the positions corresponding to the supporting plates (15), and the connecting rod (4) is connected with the supporting plates (15) in a sliding mode through the limiting sliding grooves (10).

6. The frame of claim 2, wherein: the locating component who is used for preventing the mistake from touching is still installed at the top of connecting shell (3), locating component includes locating plate (16), limiting plate (17) and circular spacing post (18), the top of connecting shell (3) and the both sides that are located backup pad (15) all are fixed with locating plate (16), the constant head tank has been seted up to the inside of locating plate (16) one end, the inside of constant head tank is fixed with circular spacing post (18), one of them the outside sliding connection of circular spacing post (18) has limiting plate (17), another of them circular spacing post (18) and limiting plate (17) joint, just limiting plate (17) and backup pad (15) sliding connection.

7. The frame of claim 1, wherein: stop gear includes that spacing slide bar (7), spacing sliding sleeve (19), first circular rotate shell (20) and the circular shell (21) that rotates of second, the one end of spacing slide bar (7) is fixed with first circular shell (20) that rotates, just first circular shell (20) that rotates with second fixed axle (6) and is connected, the one end sliding connection that first circular shell (20) rotated was kept away from in spacing slide bar (7) has spacing sliding sleeve (19), the one end that spacing slide bar (7) were kept away from in spacing sliding sleeve (19) is fixed with the circular shell (21) that rotates of second, just the circular shell (21) that rotates of second rotates with first fixed axle (2) and is connected.