CN213109646U

CN213109646U - Foldable mountain bike

Info

Publication number: CN213109646U
Application number: CN202021341426.0U
Authority: CN
Inventors: 张召正; 马小平
Original assignee: Tianjin Glory Sports Equipment Co ltd
Current assignee: Tianjin Glory Sports Equipment Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-05-04
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a foldable mountain bike, which belongs to the technical field of bicycles and comprises a frame, wherein the frame comprises a front pillar, a rear pillar, a main beam and a rear fork, a headstock and the front fork are installed on the front pillar, a front wheel is installed on the front fork, a saddle and a pedal plate are installed on the rear pillar, the main beam comprises a first connecting part and a second connecting part, the first connecting part is positioned between the front pillar and the rear pillar, one end of the first connecting part is fixedly connected with the front pillar, the other end is hinged with the second connecting part, one end of the second connecting part, far away from the first connecting part, is provided with the rear wheel and is positioned on one side of the rear pillar, far away from the front pillar, one end of the rear fork is fixedly connected with the bottom of the rear pillar, the other end is respectively positioned on two sides of the rear wheel and is fixedly connected with the second connecting part, a, reach and to fold mountain bike to be convenient for accomodate the effect of carrying mountain bike.

Description

Foldable mountain bike

Technical Field

The utility model relates to a technical field of bicycle, in particular to collapsible mountain bike.

Background

With the increasing enhancement of environmental protection consciousness, more and more people select a low-carbon and environment-friendly travel mode of riding bicycles, the mountain bike is specially designed for off-road walking, the mountain bike is born in san Francisco on the west bank of the United states in nine and seven years, and the mountain bike can be suitable for riding conditions with poor ground road conditions.

In order to guarantee the stability of mountain bike structure, current mountain bike generally all sets up to integral, but mountain bike's structure is too huge, is not convenient for accomodate and carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a collapsible mountain bike, it has can fold mountain bike to be convenient for accomodate the effect with carrying mountain bike.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a foldable mountain bike comprises a frame, the frame comprises a front pillar, a rear pillar, a main beam and a rear fork, a headstock is mounted at the top of the front pillar, the front fork is mounted at the bottom of the front pillar, a front wheel is mounted on the front fork, a saddle is mounted at the top of the rear pillar, a pedal plate is mounted at the bottom of the rear pillar, the main beam comprises a first connecting part and a second connecting part, the first connecting part is located between the front pillar and the rear pillar, one end of the first connecting part is fixedly connected with the front pillar, the other end of the first connecting part is hinged with the second connecting part, the rear wheel is mounted at one end, away from the first connecting part, and is positioned at one side of the rear support far away from the front support, one end of the rear fork is fixedly connected with the bottom of the rear support, the other end is respectively positioned at two sides of the rear wheel, and with second connecting portion fixed connection, be provided with locking Assembly between first connecting portion and the second connecting portion, locking Assembly is used for locking first connecting portion on the second connecting portion.

Through adopting above-mentioned technical scheme, divide into first connecting portion and second connecting portion with the girder, make first connecting portion articulated with the second connecting portion, and set up locking Assembly between first connecting portion and second connecting portion, when needs are accomodate or are carried the bicycle, locking Assembly separates first connecting portion and second connecting portion, then rotate between first connecting portion and the second connecting portion, make first connecting portion rotate to one side of second connecting portion, thereby mountain bike's length has greatly been shortened, the folding process to mountain bike has been realized, make mountain bike be convenient for accomodate and carry more.

The present invention may be further configured in a preferred embodiment as: locking Assembly includes first connecting block, the second connecting block, the check lock lever and locking post, first connecting block and first connecting portion fixed connection, second connecting block and second connecting portion fixed connection, set up the draw-in groove that link up on the first connecting block, the one end of check lock lever is articulated with the second connecting block, the other end is located the draw-in groove, the locking post is cylindricly, and be located one side that the second connecting block was kept away from to first connecting block, the locking post is articulated with the check lock lever, and the articulated axis of locking post and check lock lever is located one side that the first connecting block was kept away from to the locking post axis.

By adopting the technical scheme, when in use, as the hinge shaft of the locking column and the locking rod is eccentrically arranged, when the hinge shaft of the locking column and the locking rod rotates to one side of the axis of the locking column away from the first connecting block, the locking column is tightly abutted against the first connecting block and locks the first connecting block on the second connecting block; when needs are folded mountain bike, rotate the locking post, make the axis of locking post rotate to the one side that first connecting block was kept away from to the articulated shaft of locking post and check lock lever to make locking post and first connecting block separation, then rotate the check lock lever, make the check lock lever take out from the draw-in groove, thereby make first connecting block and second connecting block separation, then rotate first connecting portion or second connecting portion, realize locking and folding process to mountain bike.

The present invention may be further configured in a preferred embodiment as: the locking assembly further comprises a locking sheet, the locking sheet is sleeved on the locking column, and two sides of the locking sheet are respectively abutted to the locking column and the first connecting block.

Through adopting above-mentioned technical scheme, set up the stay between first connecting block and stay, not only can avoid locking post and first connecting block contact, avoid the locking post to take place wearing and tearing, can also make the stay slide to one side that is close to first connecting block on the check lock lever when the locking post rotates to with first connecting block butt, strengthened the locking effect between to first connecting block and the second connecting block.

The present invention may be further configured in a preferred embodiment as: one side of the locking sheet close to the locking column is fixedly provided with a rubber sheet.

Through adopting above-mentioned technical scheme, set up the sheet rubber in the one side that the stay is close to the locking post, can make and form soft contact between stay and the locking post, further strengthen the guard action to the locking post, can also make the stay closely butt with the locking post under the elastic action of sheet rubber simultaneously, prevent that locking post and stay from taking place relative rotation, further strengthened the locking action between to first connecting block and second connecting block.

The present invention may be further configured in a preferred embodiment as: the rear support comprises a fixed portion and a moving portion, the moving portion is located above the fixed portion, the saddle is mounted on the moving portion, the pedal plate is mounted on the fixed portion, a vertical insertion rod is fixedly arranged at the bottom of the moving portion, a vertical slot is formed in the top of the fixed portion, the bottom end of the insertion rod is inserted into the slot and is connected with the slot in a sliding mode, a first damping spring is sleeved on the insertion rod, and the first damping spring is located between the moving portion and the fixed portion.

Through adopting above-mentioned technical scheme, set up the inserted bar bottom the removal portion, make the inserted bar insert in the slot on the fixed part to make the removal portion can remove along vertical direction in the top of fixed part, and set up first damping spring in the inserted bar outside, when mountain bike jolts in riding the in-process appears, first damping spring can play the cushioning effect to removal portion, makes the inserted bar vertical slip in the slot, thereby has improved the travelling comfort of mountain bike process of riding.

The present invention may be further configured in a preferred embodiment as: the connecting rod and the telescopic rod are arranged between the moving portion and the second connecting portion, one end of the telescopic rod is hinged to the moving portion, the other end of the telescopic rod is inserted into the connecting rod and is connected with the connecting rod in a sliding mode, one end, far away from the telescopic rod, of the connecting rod is hinged to the second connecting portion, and a second damping spring is sleeved on the connecting rod.

Through adopting above-mentioned technical scheme, set up connecting rod and telescopic link between removal portion and second connecting portion, when mountain bike appears jolting at the in-process of riding, the top vertical removal of removal portion at the fixed part, connecting rod and telescopic link rotate respectively on second connecting portion and removal portion this moment, and the telescopic link slides in the connecting rod simultaneously, and second damping spring further plays the cushioning effect to removal portion to mountain bike's shock attenuation effect has been strengthened.

The present invention may be further configured in a preferred embodiment as: the frame further comprises an oblique beam, one end of the oblique beam is fixedly connected with the second connecting portion, and the other end of the oblique beam is fixedly connected with the bottom of the rear pillar.

Through adopting above-mentioned technical scheme, set up the sloping between second connecting portion and back pillar, can strengthen the joint strength between back pillar and the second connecting portion, improved mountain bike's bulk strength, prolonged mountain bike's life.

The present invention may be further configured in a preferred embodiment as: and a handle is fixedly arranged on the locking column.

Through adopting above-mentioned technical scheme, set up the handle on the locking post, can make the handle drive the locking post and take place to rotate when locking or folding mountain bike to the rotation process that makes the locking post is more convenient and easy to operate.

To sum up, the utility model discloses a beneficial technological effect does:

1. the main beam is divided into the first connecting part and the second connecting part, so that the first connecting part is hinged with the second connecting part, the locking assembly is arranged between the first connecting part and the second connecting part, and when a bicycle needs to be stored or carried, the first connecting part is rotated to one side of the second connecting part, so that the folding process of the mountain bike is realized, and the mountain bike is more convenient to store and carry;

2. by enabling the hinge shaft of the locking column and the hinge shaft of the locking rod to be eccentrically arranged, when the hinge shaft of the locking column and the hinge shaft of the locking rod rotate to one side of the axis of the locking column, which is far away from the first connecting block, the locking column is tightly abutted against the first connecting block, and the first connecting block is locked on the second connecting block; when the axis of the locking column rotates to one side of the hinge shaft of the locking column and the locking rod, which is far away from the first connecting block, the locking column is separated from the first connecting block, and the locking and folding processes of the mountain bike are realized;

3. through setting up the inserted bar bottom the removal portion, make the inserted bar insert in the slot on the fixed part to set up first damping spring in the inserted bar outside, when mountain bike jolts in riding the in-process appearance, first damping spring can play the cushioning effect to removal portion, thereby has improved the travelling comfort of mountain bike process of riding.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial block diagram for illustrating the locking assembly;

FIG. 4 is a schematic view of the bicycle in a folded state.

In the figure, 1, a frame; 11. a front pillar; 12. a rear pillar; 121. a fixed part; 1211. a slot; 1212. a first damping spring; 122. a moving part; 1221. inserting a rod; 1222. a telescopic rod; 1223. a second damping spring; 1224. a limiting sheet; 13. a main beam; 131. a first connection portion; 132. a second connecting portion; 1321. a connecting rod; 14. an oblique beam; 15. a rear fork; 2. a headstock; 3. a front fork; 4. a front wheel; 5. a vehicle seat; 6. a foot pedal; 7. a rear wheel; 8. a locking assembly; 81. a first connection block; 811. a card slot; 82. a second connecting block; 83. a locking lever; 84. a locking piece; 841. a rubber sheet; 85. a locking post; 851. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a collapsible mountain bike, including frame 1, frame 1 includes front prop 11, rear prop 12, girder 13, sloping 14 and back fork 15, headstock 2 is installed at the top of front prop 11, front fork 3 is installed to the bottom of front prop 11, install front wheel 4 on the front fork 3, saddle 5 is installed at the top of rear prop 12, running-board 6 is installed to the bottom of rear prop 12, the one end and the front prop 11 fixed connection of girder 13, the other end is located one side that front prop 11 was kept away from to rear prop 12, and install rear wheel 7, rear fork 15 is fixed to be set up between the one end that front prop 11 was kept away from at girder 13 and rear prop 12, sloping 14 sets up the one side that rear prop 12 is close to front prop 11, the one end and the rear prop 12 fixed connection of sloping 14, the other end and girder 13 fixed connection.

Referring to fig. 1, the main beam 13 includes a first connection portion 131 and a second connection portion 132, the first connection portion 131 is located between the front pillar 11 and the rear pillar 12, one end of the first connection portion 131 is fixedly connected to the front pillar 11, the other end is hinged to the second connection portion 132, the rear wheel 7 is installed at one end of the second connection portion 132 away from the first connection portion 131, the rear fork 15 is fixedly connected to one end of the second connection portion 132 away from the first connection portion 131, and the oblique beam 14 is fixedly connected to one side of the second connection portion 132 close to the first connection portion 131.

Referring to fig. 2 and 3, a locking assembly 8 is disposed between the first connecting portion 131 and the second connecting portion 132, the locking assembly 8 includes a first connecting block 81, a second connecting block 82, a locking rod 83, a locking piece 84 and a locking column 85, the first connecting block 81 and the second connecting block 82 are both located at a side far from a hinge shaft of the first connecting portion 131 and the second connecting portion 132, the first connecting block 81 and the first connecting portion 131 are fixedly connected at a side near the second connecting portion 132, the second connecting block 82 and the second connecting portion 132 are fixedly connected at a side near the first connecting portion 131, the first connecting block 81 and the second connecting block 82 are abutted, a locking groove 811 is formed on the first connecting block 81, two ends of the locking groove 811 respectively penetrate through two ends of the first connecting block 81 near and far from the second connecting block 82, one end of the locking rod 83 is hinged to the second connecting block 82, the other end is located in the locking groove 811, the locking piece 84 is sleeved on the locking column, and be located the one side that second connecting block 82 was kept away from to first connecting block 81, the fixed rubber sheet 841 that is provided with in one side that first connecting block 81 was kept away from to stay 84, locking post 85 is cylindric, and be located one side that first connecting block 81 was kept away from to stay 84, and locking post 85 and the inseparable butt of rubber sheet 841, locking post 85 is articulated with check lock lever 83, the articulated axis of locking post 85 and check lock lever 83 is perpendicular with the axis direction of check lock lever 83, and be parallel with the axis direction of locking post 85, and the articulated axis of locking post 85 and check lock lever 83 is located one side that first connecting block 81 was kept away from to locking post 85 axis, the fixed handle 851 that is provided with on the locking post 85.

When needs are folded mountain bike, rotate handle 851, make handle 851 drive locking post 85 take place to rotate, the axis that makes locking post 85 rotates the one side of keeping away from first connecting block 81 to the articulated shaft of locking post 85 and check lock lever 83, then rotate check lock lever 83, make check lock lever 83 take out from draw-in groove 811, rotate first connecting portion 131 or second connecting portion 132 again, make first connecting portion 131 rotate the one side to second connecting portion 132, the folding process to mountain bike has been realized, make mountain bike be convenient for more accomodate and carry.

Referring to fig. 4, the rear pillar 12 includes a fixed portion 121 and a movable portion 122, the movable portion 122 and the fixed portion 121 are both vertically disposed, the movable portion 122 is located above the fixed portion 121, the seat 5 is mounted on the movable portion 122, the footrest 6 is mounted on the fixed portion 121, the fixed portion 121 is fixedly connected to the inclined beam 14, a vertical insertion rod 1221 is fixedly disposed at the bottom of the movable portion 122, a vertical slot 1211 is disposed at the top of the fixed portion 121, a bottom end of the insertion rod 1221 is inserted into the slot 1211 and slidably connected to the slot 1211, a vertical first damping spring 1212 is sleeved on the insertion rod 1221, and the first damping spring 1212 is located between the movable portion 122 and the fixed portion 121 and abuts against the movable portion 122 and the fixed portion 121 respectively. When the mountain bike jounces during riding, the first damping spring 1212 can damp the moving portion 122, so that the plug rod 1221 vertically slides in the slot 1211, thereby improving the riding comfort of the mountain bike.

Referring to fig. 4, a connecting rod 1321 and an expansion rod 1222 are disposed between the moving portion 122 and the second connecting portion 132, one end of the expansion rod 1222 is hinged to the moving portion 122, the other end of the expansion rod 1222 is inserted into the connecting rod 1321 and is slidably connected to the connecting rod 1321, one end of the connecting rod 1321, which is far away from the expansion rod 1222, is hinged to the second connecting portion 132, a second damping spring 1223 is sleeved on the connecting rod 1321, a limiting piece 1224 is fixedly sleeved on one side, which is far away from each other, of the expansion rod 1222 and the connecting rod 1321, and two ends of the second damping spring 1223 are. When mountain bike appears jolting in riding, connecting rod 1321 and telescopic link 1222 rotate on second connecting portion 132 and removal portion 122 respectively, and telescopic link 1222 slides in connecting rod 1321 simultaneously, and second damping spring 1223 further plays the cushioning effect to removal portion 122 to mountain bike's shock attenuation effect has been strengthened.

The implementation principle of the embodiment is as follows: when needs are folded mountain bike, rotate handle 851, make handle 851 drive locking post 85 take place to rotate, the axis that makes locking post 85 rotates one side of keeping away from first connecting block 81 to the articulated shaft of locking post 85 and check lock lever 83, thereby make locking post 85 and stay 84 separation, then rotate locking lever 83, make check lock lever 83 take out from draw-in groove 811, thereby make first connecting block 81 and second connecting block 82 separate, rotate first connecting portion 131 or second connecting portion 132 again, make first connecting portion 131 rotate one side to second connecting portion 132, the folding process to mountain bike has been realized, make mountain bike be convenient for more accomodate and carry.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A collapsible mountain bike, includes frame (1), its characterized in that: the bicycle frame (1) comprises a front pillar (11), a rear pillar (12), a main beam (13) and a rear fork (15), a bicycle head frame (2) is installed at the top of the front pillar (11), the front fork (3) is installed at the bottom of the front pillar (11), a front wheel (4) is installed on the front fork (3), a bicycle seat (5) is installed at the top of the rear pillar (12), a pedal plate (6) is installed at the bottom of the rear pillar (12), the main beam (13) comprises a first connecting portion (131) and a second connecting portion (132), the first connecting portion (131) is located between the front pillar (11) and the rear pillar (12), one end of the first connecting portion (131) is fixedly connected with the front pillar (11), the other end of the first connecting portion (132) is hinged to the second connecting portion, one end, far away from the first connecting portion (131), of the second connecting portion (132) is provided with a rear wheel (7), and is located on one side, one end of the rear fork (15) is fixedly connected with the bottom of the rear support column (12), the other end of the rear fork is respectively located on two sides of the rear wheel (7) and fixedly connected with the second connecting portion (132), a locking assembly (8) is arranged between the first connecting portion (131) and the second connecting portion (132), and the locking assembly (8) is used for locking the first connecting portion (131) on the second connecting portion (132).

2. The foldable mountain bike as claimed in claim 1, wherein: locking Assembly (8) include first connecting block (81), second connecting block (82), check lock lever (83) and locking post (85), first connecting block (81) and first connecting portion (131) fixed connection, second connecting block (82) and second connecting portion (132) fixed connection, draw-in groove (811) that link up have been seted up on first connecting block (81), the one end and the second connecting block (82) of check lock lever (83) are articulated, the other end is located draw-in groove (811), locking post (85) are cylindricly, and be located one side that second connecting block (82) were kept away from in first connecting block (81), locking post (85) are articulated with check lock lever (83), and the articulated axis of locking post (85) and check lock lever (83) is located one side that first connecting block (81) were kept away from to locking post (85) axis.

3. The foldable mountain bike as claimed in claim 2, wherein: locking Assembly (8) still include stay (84), and stay (84) cover is established on locking post (85), and the both sides of stay (84) respectively with locking post (85) and first connecting block (81) butt.

4. A foldable mountain bike according to claim 3, characterized in that: and a rubber sheet (841) is fixedly arranged on one side of the locking sheet (84) close to the locking column (85).

5. The foldable mountain bike as claimed in claim 1, wherein: rear strut (12) includes fixed part (121) and removal portion (122), removal portion (122) are located the top of fixed part (121), saddle (5) are installed on removal portion (122), running-board (6) are installed on fixed part (121), the bottom of removal portion (122) is fixed and is provided with vertical inserted bar (1221), vertical slot (1211) has been seted up at the top of fixed part (121), the bottom of inserted bar (1221) is inserted and is established in slot (1211), and with slot (1211) sliding connection, the cover is equipped with first damping spring (1212) on inserted bar (1221), first damping spring (1212) is located between removal portion (122) and fixed part (121).

6. The foldable mountain bike as claimed in claim 5, wherein: be provided with connecting rod (1321) and telescopic link (1222) between removal portion (122) and second connecting portion (132), the one end and the removal portion (122) of telescopic link (1222) are articulated, and the other end is inserted and is established in connecting rod (1321) to with connecting rod (1321) sliding connection, the one end that telescopic link (1222) were kept away from in connecting rod (1321) is articulated with second connecting portion (132), the cover is equipped with second damping spring (1223) on connecting rod (1321).

7. The foldable mountain bike as claimed in claim 1, wherein: the frame (1) further comprises an oblique beam (14), one end of the oblique beam (14) is fixedly connected with the second connecting portion (132), and the other end of the oblique beam is fixedly connected with the bottom of the rear pillar (12).

8. The foldable mountain bike as claimed in claim 2, wherein: and a handle (851) is fixedly arranged on the locking column (85).