CN216546519U - Adjustable bicycle - Google Patents

Abstract

An adjustable bicycle belongs to the field of bicycles and comprises a connecting seat, a vertical supporting beam, a transverse supporting beam and an oblique supporting beam, wherein the transverse supporting beam comprises a first rod and a second rod, the first rod is fixedly connected with the vertical supporting beam, the second rod is fixedly connected with the connecting seat, the oblique supporting beam comprises a third rod and a fourth rod, the third rod is fixedly connected with the vertical supporting beam, the fourth rod is fixedly connected with the connecting seat, a connecting block is arranged on the second rod, a rotating shaft parallel to the vertical supporting beam is arranged on the first rod, the connecting block is rotatably connected with the rotating shaft, a fixing device is arranged between the first rod and the second rod, inserting holes are respectively formed in the third rod and the fourth rod, a soft rubber rod is inserted in each inserting hole, an inserting cylinder is slidably connected on the fourth rod, the inserting cylinder is sleeved outside the soft rubber rod, the inserting cylinder is slidably inserted in the third rod, a rack for driving the inserting cylinder to move is slidably connected on the fourth rod, a gear rotationally engaged with the rack is rotatably connected on the fourth rod, this application has the bicycle and deposits convenient advantage.

Description

Adjustable bicycle

Technical Field

The utility model relates to an adjustable bicycle, in particular to an adjustable bicycle, and belongs to the technical field of bicycles.

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, and the vehicle is a green and environment-friendly vehicle.

Referring to fig. 1, the existing bicycle generally comprises a frame and front and rear wheels arranged on the frame, the frame comprises a connecting seat 1, a vertical supporting beam 2, a transverse supporting beam 3 and an oblique supporting beam 4, a saddle is arranged on the vertical supporting beam 2, one ends of the transverse supporting beam 3 and the oblique supporting beam 4, which are close to each other, are connected to the connecting seat 1, a handlebar is arranged on the connecting seat 1, and a pedal plate is arranged at the intersection point of the vertical supporting beam 2 and the oblique supporting beam 4.

When the bicycle is stored, the length of the whole bicycle body can be adjusted only by twisting the front wheel, but the adjustment range can be smaller, and when the storage space is smaller, the bicycle is inconvenient to store.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and enable the storage of the bicycle to be more convenient, thereby providing an adjustable bicycle.

According to the technical scheme provided by the utility model,

an adjustable bicycle comprises a connecting seat, a vertical supporting beam, a transverse supporting beam and an oblique supporting beam, wherein the transverse supporting beam comprises a first rod and a second rod which are positioned on the same straight line, the first rod is fixedly connected with the vertical supporting beam, the second rod is fixedly connected with the connecting seat, the oblique supporting beam comprises a third rod and a fourth rod which are positioned on a straight line, the third rod is fixedly connected with the vertical supporting beam, the fourth rod is fixedly connected with the connecting seat, a connecting block is arranged on the second rod, a rotating shaft parallel to the vertical supporting beam is arranged on the first rod, the connecting block is rotatably connected with the rotating shaft, a fixing device is arranged between the first rod and the second rod, inserting holes are formed in the third rod and the fourth rod, a soft rubber stick is inserted in the inserting holes, an inserting cylinder is slidably connected to the fourth rod, and the inserting cylinder is sleeved outside the soft rubber stick, the inserting cylinder is inserted on the third rod in a sliding mode, the fourth rod is connected with a rack in a sliding mode and used for driving the inserting cylinder to move, and the fourth rod is connected with a gear which is meshed with the rack in a rotating mode.

Preferably, fixing device includes drive block, the dead lever of fixed connection on the drive block of sliding connection on pole one, rotate on the pole one and be connected with the threaded rod, the threaded rod sets up along the length direction of pole one, threaded connection has the nut seat on the threaded rod, nut seat and drive block fixed connection, the inserting groove has been seted up on the pole two, the dead lever slides and pegs graft in the inserting groove.

Preferably, the fixing rod is sleeved with an elastic sleeve.

Compared with the prior art, the utility model has the following advantages:

1. when the storage space of the bicycle is small, the inserting cylinder is pulled away from the third rod to expose the soft rubber stick, and then the second rod is in a rotatable state by using the fixing device, so that a user can rotate the whole body of the second rod and the fourth rod under the actual condition, the occupied space of the bicycle is favorably reduced, and the bicycle is more convenient to store;

2. the elastic sleeve can ensure that the fixed rod is more firmly inserted into the insertion groove, thereby being beneficial to improving the connection firmness of the first rod and the second rod.

Drawings

Fig. 1 is a background art bicycle mechanism diagram.

FIG. 2 is a bicycle structural diagram of the present application.

Fig. 3 is a view showing a connection structure of the first lever and the second lever.

Fig. 4 is a schematic view of the present application for embodying a fastening device.

Fig. 5 is an enlarged view at a in fig. 4.

FIG. 6 is an enlarged view of FIG. 4 at B

Description of reference numerals: 1. a connecting seat; 2. a vertical support beam; 3. a transverse support beam; 31. a first rod; 32. a second rod; 4. an oblique support beam; 41. a third rod; 42. a fourth rod; 5. a rotating groove; 6. a rotating shaft; 7. connecting blocks; 8. a drive block; 9. fixing the rod; 10. mounting grooves; 11. a threaded rod; 12. rotating the rod; 13. a first bevel gear; 14. a second bevel gear; 15. a handle; 16. inserting grooves; 17. an elastic sleeve; 18. inserting holes; 19. positioning holes; 20. a soft rubber roller; 23. a plug-in barrel; 24. a rack; 25. a gear; 26. and a nut seat.

Detailed Description

The utility model will be further described with reference to examples in the drawings to which:

as shown in fig. 2-3, an adjustable bicycle comprises a connecting seat 1, a vertical supporting beam 2, a transverse supporting beam 3 and an oblique supporting beam 4, wherein the transverse supporting beam comprises a first rod 31 and a second rod 32, the first rod 31 is fixedly connected with the vertical supporting beam 2, the second rod 32 is fixedly connected with the connecting seat 1, the oblique supporting beam 4 comprises a third rod 41 and a fourth rod 42, the third rod 41 is fixedly connected with the vertical supporting beam 2, and the fourth rod 42 is fixedly connected with the connecting seat 1.

Referring to fig. 2-3, the first rod 31 and the second rod 32 are both disposed in a cylindrical shape, the first rod 31 and the second rod 32 are located on the same straight line, and the central axis of the first rod 31 is collinear with the central axis of the second rod 32.

Referring to fig. 2-3, a rotation groove 5 is formed at an included angle of an end portion of the first rod 31 facing the second rod 32, and the rotation groove 5 penetrates through an end surface of the first rod 31 and a side wall of the first rod 31.

As shown in fig. 2-3, a rotating shaft 6 is rotatably connected in the rotating groove 5, and the rotating shaft 6 is arranged along a direction parallel to the vertical supporting beam.

As shown in fig. 2-3, the end of the second rod 32 facing the first rod 31 is fixedly connected with the connecting block 7, and the connecting block 7 is fixedly connected with the rotating shaft 6. The side wall of the transfer block can be abutted against the wall of the rotary groove 5 after rotating.

Referring to fig. 4-6, a fixing device is arranged between the first rod 31 and the second rod 32, the fixing device includes a driving block 8 and a fixing rod 9, a mounting groove 10 is formed in the first rod 31, the mounting groove 10 is arranged along the length direction of the first rod 31, the driving block 8 is arranged in a cuboid shape, and the driving block 8 is slidably connected in the mounting groove 10.

Referring to fig. 4-6, a through hole penetrating through the mounting groove 10 is formed in the first rod 31, an inner cavity of the through hole is formed along the length direction of the first rod 31, the fixing rod 9 is arranged in a cylindrical shape, and the fixing rod 9 is slidably connected in the through hole.

Referring to fig. 4-6, a threaded rod 11 is rotatably connected to the mounting groove 10, and the threaded rod 11 is disposed along the length direction of the first rod 31. The threaded rod 11 is connected with a nut seat 26 in a threaded manner, the driving block 8 is provided with a through groove, the threaded rod 11 is inserted into the through groove, and the nut seat 26 is fixedly connected with the inner wall of the through groove.

Referring to fig. 4-6, a rotating rod 12 is rotatably connected to the first rod 31, the rotating rod 12 is arranged in a direction perpendicular to the first rod 31, a first bevel gear 13 is fixedly connected to the rotating rod 12, a second bevel gear 14 is fixedly connected to the threaded rod 11, and the first bevel gear 13 is rotatably engaged with the second bevel gear 14.

Referring to fig. 4-6, the rotating lever 12 is fixedly connected with a handle 15.

Referring to fig. 4-6, an end surface of the second rod 32 facing the first rod 31 is provided with an insertion groove 16, an inner cavity of the insertion groove 16 is cylindrically arranged, and the fixing rod 9 is slidably inserted into the insertion groove 16 under the driving of the threaded rod 11.

Referring to fig. 4-6, an elastic sleeve 17 is fixedly sleeved on the shaft of the fixing rod 9. The elastic sleeve 17 is made of soft rubber, and the elastic sleeve 17 can be abutted against the inner groove wall of the insertion groove 16.

Referring to fig. 4-6, the third rod 41 and the fourth rod 42 are both disposed in a cylindrical shape, the third rod 41 and the fourth rod 42 are located on the same straight line, and the central axis of the third rod 41 is collinear with the central axis of the fourth rod 42.

Referring to fig. 4-6, the end surface of the third rod 41 facing the fourth rod 42 is provided with the plugging hole 18, the end surface of the fourth rod 42 facing the third rod 41 is also provided with the plugging hole 18, and the plugging hole 18 is arranged in a cylindrical shape. The third rod 41 is provided with a positioning hole 19, the positioning hole 19 is arranged in a cylindrical shape, and the positioning hole 19 is annularly arranged on the outer side of the inserting hole 18.

Referring to fig. 4-6, a soft rubber rod 20 is fixedly connected between the third rod 41 and the fourth rod 42, and two ends of the soft rubber rod are inserted into the insertion holes 18 of the third rod 41 and the fourth rod 42. The soft rubber rod 20 is made of soft rubber and is disposed in a cylindrical shape in an unstressed state.

Referring to fig. 4-6, the rod IV 42 is provided with a sliding hole, and the sliding hole is cylindrically arranged and annularly arranged outside the insertion hole 18 on the rod IV 42. An inserting cylinder 23 is connected in the sliding hole in a sliding mode, the inserting cylinder 23 is arranged in a cylindrical mode, and the inserting cylinder 23 is a steel barrel. The insertion cylinder 23 is slidably hidden in the slide hole.

Referring to fig. 4-6, the outer side wall of bar four 42 has a rack 24 slidably attached along its length, and rack 24 is disposed along the length of bar four 42. The rod IV 42 is rotatably connected with a gear 25 which is rotatably meshed with the rack 24, the rod IV 42 is fixedly connected with a rotating handle 15, and the rotating handle 15 is fixedly connected with a wheel shaft of the gear 25. The rack 24 can be driven to slide by rotating the handle 15, and the inserting cylinder 23 can be slidably inserted into the inserting groove 16 under the driving of the rack 24.

When the bicycle needs to be mobilized, the rack 24 is used for separating the inserting cylinder 23 from the inserting hole 18 on the third rod 41, the threaded rod 11 is used for separating the fixing rod 9 from the inserting groove 16, the soft rubber stick can rotate in different directions when stressed, the second rod 32 rotates by taking the rotating shaft 6 as the center, and the combined part of the second rod 32 and the fourth rod 42 can integrally rotate, so that the length of the whole bicycle frame can be shortened, and the bicycle is more convenient to place.

Claims (3)

1. An adjustable bicycle, characterized by: the connecting device comprises a connecting seat (1), a vertical supporting beam (2), a transverse supporting beam (3) and a diagonal supporting beam (4), wherein the transverse supporting beam (3) comprises a first rod (31) and a second rod (32) which are positioned on the same straight line, the first rod (31) is fixedly connected with the vertical supporting beam (2), the second rod (32) is fixedly connected with the connecting seat (1), the diagonal supporting beam (4) comprises a third rod (41) and a fourth rod (42) which are positioned on the same straight line, the third rod (41) is fixedly connected with the vertical supporting beam (2), the fourth rod (42) is fixedly connected with the connecting seat (1), a connecting block (7) is arranged on the second rod (32), a rotating shaft (6) which is parallel to the vertical supporting beam (2) is arranged on the first rod (31), the connecting block (7) is rotatably connected with the rotating shaft (6), and a fixing device is arranged between the first rod (31) and the second rod (32), the utility model discloses a flexible rubber roller, including pole three (41) and pole four (42), all seted up spliced eye (18) on pole three (41) and pole four (42), the grafting has soft rubber roller (20) in spliced eye (18), sliding connection has a section of thick bamboo of pegging graft (23) on pole four (42), the outside of soft rubber roller (20) is located to a section of thick bamboo of pegging graft (23) cover, a section of thick bamboo of pegging graft (23) slides and pegs graft on pole three (41), sliding connection has rack (24) that are used for driving a section of thick bamboo of pegging graft (23) to remove on pole four (42), sliding connection has gear (25) with rack (24) rotation meshing on pole four (42).

2. The adjustable bicycle of claim 1, wherein: fixing device includes drive block (8), dead lever (9) of fixed connection on drive block (8) of sliding connection on pole one (31), it is connected with threaded rod (11) to rotate on pole one (31), threaded rod (11) set up along the length direction of pole one (31), threaded connection has nut seat (26) on threaded rod (11), nut seat (26) and drive block (8) fixed connection, inserting groove (16) have been seted up on pole two (32), dead lever (9) slide and peg graft in inserting groove (16).

3. The adjustable bicycle of claim 2, wherein: the fixing rod (9) is sleeved with an elastic sleeve (17).

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