CN211519744U

CN211519744U - Shock attenuation formula mountain region electric bicycle

Info

Publication number: CN211519744U
Application number: CN201922421415.7U
Authority: CN
Inventors: 徐明强; 张铭峰
Original assignee: Taioku Manufacturing Jiangsu Co ltd
Current assignee: Taioku Manufacturing Jiangsu Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-09-18
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to a shock-absorbing mountain electric bicycle, which comprises a bicycle front frame component, a bicycle rear frame component, a bicycle front wheel and a bicycle rear wheel; the front frame assembly comprises a front pipe, a middle pipe, an upper pipe and a lower pipe, wherein the front pipe is arranged at one end, far away from the middle pipe, of the upper pipe and the lower pipe; the rear frame component comprises an upper rear fork and a lower rear fork, a motor mounting shell is arranged at the joint of the middle pipe and the lower pipe, the lower rear fork is rotatably connected with the motor mounting shell, and one end of the lower rear fork, far away from the motor mounting shell, is rotatably connected with the upper rear fork; a floating connecting assembly is arranged between one end of the rear upper fork far away from the rear lower fork and the upper pipe; the floating connection assembly comprises a connection sleeve, a buffer connecting rod and a connection fork, wherein the buffer connecting rod is arranged along the connection sleeve in a sliding mode, the connection fork is composed of three support legs, the three support legs of the connection fork are hinged to the buffer connecting rod, the upper pipe and the rear upper fork respectively, and one end, far away from the buffer connecting rod, of the connection sleeve is hinged to the upper pipe. The utility model discloses compare and have better shock attenuation in traditional bicycle.

Description

Shock attenuation formula mountain region electric bicycle

Technical Field

The utility model belongs to the technical field of the bicycle and specifically relates to a shock attenuation formula mountain region electric bicycle is related to.

Background

The bicycle is a common vehicle, and can be used as an environment-friendly vehicle for riding instead of walking and going out; more and more people use bicycles as fitness equipment for riding exercise and bicycle travel; the bicycle is also a sports competition, such as a road bike race, a mountain bike race, a field bike race, a stunt bike race and the like; when the bicycle runs on a rugged road, the bicycle can generate great vertical jolt, and riding of a user is seriously influenced.

At present, the chinese utility model patent of bulletin number CN207482070U discloses a bicycle, saddle on frame, wheel, running-board, frame, the frame is including the branch that supports the saddle and the side bearer that links to each other with branch, be equipped with the lock on the side bearer, its characterized in that be equipped with on the branch and can cover the seat lid of saddle car, just the seat lid passes through link gear and drives the lock and lock to the bicycle.

The frame of current bicycle often is a whole, can only carry out the shock attenuation through the spring on the seat, and the defect is that the shock attenuation effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a shock attenuation formula mountain region electric bicycle compares and has better shock attenuation effect in traditional bicycle.

The above object of the present invention is achieved by the following technical solutions: a shock-absorbing mountain electric bicycle comprises a front frame assembly, a rear frame assembly, a front wheel and a rear wheel;

the front frame assembly comprises a front pipe, a middle pipe, an upper pipe and a lower pipe, the middle pipe, the lower pipe and the upper pipe are encircled to form a triangle, and the front pipe is arranged at one end, far away from the middle pipe, of the upper pipe and the lower pipe; the front tube is rotatably connected with a front fork and a handlebar, and a front wheel of the bicycle is rotatably connected with the front fork;

the rear frame component comprises an upper rear fork and a lower rear fork, a motor mounting shell is arranged at the joint of the middle tube and the lower tube, the lower rear fork is rotatably connected with the motor mounting shell, and one end of the lower rear fork, far away from the motor mounting shell, is rotatably connected with the upper rear fork;

a floating connecting assembly is arranged between one end of the rear upper fork, which is far away from the rear lower fork, and the upper pipe;

floating connection subassembly includes connecting sleeve, slides the buffering connecting rod that sets up and connect the trigeminal along connecting sleeve, it comprises three stabilizer blade to connect the trigeminal, it is articulated with buffering connecting rod, top tube and back fork respectively to connect the three stabilizer blade of trigeminal, the one end that buffering connecting rod was kept away from to the connecting sleeve is articulated with the top tube.

By adopting the technical scheme, the middle pipe, the lower pipe and the upper pipe which are encircled into the triangle form, the whole structure of the vehicle front frame component is more stable, the strength is better, and the vehicle front frame component is more stable during riding; the buffer connecting rod can be arranged in a sliding mode along the axial direction of the connecting sleeve, a good buffer and shock absorption effect can be achieved, the upper pipe, the rear upper fork and the buffer connecting rod are connected together through the connecting three forks, the rear upper fork can be stably connected with the upper pipe, and therefore the bicycle can stably advance; the back is pitched down and is connected with the motor seat rotation, and the back is pitched up and is connected with the top tube through unsteady coupling assembling for being connected of car back frame subassembly and plantago frame subassembly floats, and the back is pitched down and is connected and support the car rear wheel that can be stable behind the back promptly, and the car rear wheel can be in certain vertical within range luffing motion simultaneously, thereby when making to ride on the road of unevenness, car back frame subassembly can play better cushioning effect, better improvement the shock attenuation effect.

The present invention may be further configured in a preferred embodiment as: the junction of well pipe and upper tube is provided with the reinforcement connecting rod, the articulated department of connecting trident and upper tube sets up the junction at reinforcement connecting rod and upper tube.

By adopting the technical scheme, the reinforcing connecting rod can better enhance the connection stability of the joint of the middle pipe and the upper pipe, so that the integral structural strength of the upper pipe and the middle pipe is higher, and the front frame component of the vehicle is not easy to damage when being vibrated; connect the trident and connect the junction at the top tube and add the link rod for consolidate the connecting rod and can undertake the power that some car rear wheel produced when vibrations, make the top tube can be more stable bear the change of power when the car rear wheel shakes, improved the stability of the car frame subassembly when riding.

The present invention may be further configured in a preferred embodiment as: the downside of top tube is equipped with articulated seat, be equipped with on the articulated seat and connect branch, it is the acute angle setting with the top tube to connect branch, connecting sleeve is articulated with articulated seat.

By adopting the technical scheme, the hinge seat is connected with the connecting sleeve, so that the connecting sleeve is more convenient to mount; the connecting support rod arranged at an acute angle with the upper pipe can bear the impact force generated by the connecting sleeve when the rear wheel of the vehicle shakes more stably, so that the front frame and the rear frame of the vehicle can play a better damping effect.

The present invention may be further configured in a preferred embodiment as: and a reinforcing cross rod is arranged on the rear upper fork and is arranged at one end of the rear upper fork close to the middle pipe.

Through adopting above-mentioned technical scheme, consolidate the overall structure intensity that the horizontal pole can further strengthen the back and go up the fork for the back goes up the impact force that produces when bearing the vibrations of car rear wheel that can be better, makes the bicycle more stable when riding.

The present invention may be further configured in a preferred embodiment as: the damping rod is inserted into the front fork, one section of the damping rod inserted into the front fork is sleeved with a damping spring, and two ends of the damping spring are respectively connected with the damping rod and the front fork.

Through adopting above-mentioned technical scheme, the shock attenuation pole is inserted along vertical direction and is established in the front fork, and damping spring can be better to the absorbing effect of buffering for the in-process of riding, during the ground contact of plantago wheel and unevenness, car front-frame subassembly still can remain stable.

The present invention may be further configured in a preferred embodiment as: and a buffer rubber is arranged between the buffer connecting rod and the cylinder bottom of the connecting sleeve.

Through adopting above-mentioned technical scheme, rubber has better elasticity for cushion rubber can be better play the absorbing effect of buffering, further improvement the buffering shock attenuation effect of car back frame.

The present invention may be further configured in a preferred embodiment as: compressed nitrogen is filled in the connecting sleeve, and an inflating nozzle is arranged on the connecting sleeve.

Through adopting above-mentioned technical scheme, compressed nitrogen gas has better buffering absorbing effect, and the charging connector is arranged in filling compressed nitrogen gas or discharging unnecessary compressed nitrogen gas into the connecting sleeve to adjust the compressed nitrogen gas volume in the connecting sleeve as required.

The present invention may be further configured in a preferred embodiment as: a hinged screw rod is arranged at the joint of the connecting sleeve and the hinged seat, the middle section of the hinged screw rod is an optical axis section, and two ends of the hinged screw rod are respectively provided with an inner hexagonal nut and a connecting nut in threaded fit; the buffer connecting rod is connected with the connecting part of the connecting trifurcations through the hinged screw rod and the connecting nut.

Through adopting above-mentioned technical scheme, articulated screw rod and coupling nut's cooperation for it is more convenient on installing the upper tube and connecting the trident with buffering connecting rod and connecting sleeve, thereby it is easier to make to maintain floating coupling assembling, so that guarantee the stable performance buffering absorbing effect of floating coupling assembling.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the rear upper fork is connected with the upper pipe through the floating connection assembly, so that the rear frame assembly can better buffer the impact force generated by the vibration of the rear wheel of the vehicle, and the vehicle front frame is more stable on a rugged road;

2. the shock-absorbing rod and the shock-absorbing spring are inserted into the front fork, so that the front wheel of the bicycle can play a good role in buffering and shock absorption, and the overall shock-absorbing effect of the bicycle is further improved.

Drawings

FIG. 1 is a schematic structural view of the whole of embodiment 1;

FIG. 2 is a full sectional view of the front fork of embodiment 1;

FIG. 3 is a schematic structural view of a rear frame assembly of the vehicle according to embodiment 1;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic view showing the inner structure of the connecting sleeve and the cushion link in accordance with embodiment 1;

FIG. 6 is a schematic structural view showing the connection relationship between the connection sleeve and the upper pipe in embodiment 1;

FIG. 7 is a schematic view showing the inner structure of the connecting sleeve and the cushion link in accordance with embodiment 2.

In the figure, 1, a front frame component; 2. a rear frame assembly; 3. a front wheel of the vehicle; 4. turning a rear wheel; 5. a head tube; 6. a middle tube; 7. feeding a pipe; 8. a lower pipe; 9. a front fork; 10. a handlebar; 11. a rear upper fork; 12. a rear lower fork; 13. a motor mounting case; 14. a floating connection assembly; 15. a connecting sleeve; 16. a buffer connecting rod; 17. connecting the three forks; 18. reinforcing the connecting rod; 19. a hinged seat; 20. connecting a support rod; 21. reinforcing the cross bar; 22. a shock-absorbing lever; 23. a damping spring; 24. a cushion rubber; 25. an inflating nozzle is arranged; 26. a hinged screw; 27. a connecting nut; 28. a mounting ring; 29. a limit ring.

Detailed Description

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

Example 1:

referring to fig. 1, the shock absorption type mountain electric bicycle disclosed by the present invention comprises a front frame assembly 1, a rear frame assembly 2, a front wheel 3 and a rear wheel 4; frame subassembly 1 includes head tube 5, well pipe 6, top tube 7 and low tube 8 before the car, well pipe 6, low tube 8 and top tube 7 welding surround into triangle-shaped, and the head tube 5 welds the one end of keeping away from well pipe 6 at top tube 7 and low tube 8, and head tube 5 rotates and is connected with front fork 9, is fixed with handlebar hand 10 on the front fork 9, is fixed with the cushion on well pipe 6.

Referring to fig. 2, a shock absorption rod 22 is inserted into each of two fork tubes of the front fork 9, and a front wheel is rotatably connected with the shock absorption rod 22; damping rod 22 inserts one section cover of establishing in the fork pipe of front fork 9 and is equipped with damping spring 23, and the welding has spacing ring 29 in the fork pipe of front fork 9, and damping spring 23's one end passes through bolted connection with spacing ring 29, and the welding has the collar 28 in the damping rod 22 outside, and collar 28 and damping spring 23 keep away from the one end bolted connection of spacing ring 29.

Referring to fig. 1 and 3, the rear frame assembly 2 includes a rear upper fork 11 and a rear lower fork 12, a motor mounting shell 13 is welded at the joint of the middle tube 6 and the lower tube 8, the rear lower fork 12 is hinged with the motor mounting shell 13, and the rear upper fork 11 is rotatably connected with the rear lower fork 12; the rear wheel 4 is rotatably connected with the rear lower fork 12, and one end of the rear upper fork 11 far away from the rear lower fork 12 is welded with a reinforcing cross rod 21. The lithium battery is fixed on the lower pipe 8, the motor is connected with the motor through bolts in the motor mounting shell 13, a driving chain wheel is fixed on a rotating shaft of the motor, a driven chain wheel is fixed on a main shaft of the rear wheel 4 of the vehicle, and the driving chain wheel and the driven chain wheel are driven through chains.

Referring to fig. 4 and 5, a floating connection assembly 14 is arranged between the rear upper fork 11 and the upper pipe 7, the floating connection assembly 14 comprises a connection sleeve 15, a buffer connecting rod 16 and a connection fork 17, the connection fork 17 is composed of three integrally formed support legs, a reinforcing connecting rod 18 is welded at the joint of the upper pipe 7 and the middle pipe 6, and the reinforcing connecting rod 18 better strengthens the structural strength of the upper pipe 7 and the middle pipe 6; the buffer connecting rod 16 is inserted in the connecting sleeve 15, a buffer rubber 24 is arranged between the buffer connecting rod 16 and the cylinder bottom of the connecting sleeve 15, and two ends of the buffer rubber 24 are respectively fixedly connected with the buffer connecting rod 16 and the cylinder bottom of the connecting sleeve 15. A hinge seat 19 is welded on the upper pipe 7, a connecting support rod 20 is welded on the hinge seat 19, and one end of the connecting support rod 20, which is far away from the hinge seat 19, is welded with the upper pipe 7; the connecting sleeve 15 is hinged to the hinge base 19, the buffer connecting rod 16 is rotatably connected with one supporting leg of the connecting fork 17, the other two supporting legs of the connecting fork 17 are hinged to the rear upper fork 11 and the upper pipe 7 respectively, and the connecting fork 17 and the upper pipe 7 are hinged to the joint of the upper pipe 7 and the reinforcing connecting rod 18.

Referring to fig. 6, the hinge shaft at the hinge position of the connecting sleeve 15 and the hinge seat 19 is a hinge screw 26, the middle section of the hinge screw 26 is an optical axis section, one end of the hinge screw 26 is an integrally formed hexagon socket nut, an external thread is arranged at the end of the hinge screw 26 far away from the hexagon socket nut, and the hinge screw 26 is matched with a connecting nut 27 through the external thread.

Example 2:

referring to fig. 7, for the utility model discloses a shock attenuation formula mountain region electric bicycle lies in with embodiment 1's difference in that, it has compressed nitrogen gas to fill in the connecting sleeve 15, is equipped with charging connector 25 in the connecting sleeve 15, can fill into compressed nitrogen gas in connecting sleeve 15 through the charging connector, and compressed nitrogen gas can play better buffering cushioning effect.

The embodiments of the present invention are the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this, 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 shock-absorbing mountain electric bicycle comprises a bicycle front frame component (1), a bicycle rear frame component (2), a bicycle front wheel (3) and a bicycle rear wheel (4);

the method is characterized in that: the bicycle front frame assembly (1) comprises a front tube (5), a middle tube (6), an upper tube (7) and a lower tube (8), wherein the middle tube (6), the lower tube (8) and the upper tube (7) enclose a triangle, and the front tube (5) is arranged at one end, far away from the middle tube (6), of the upper tube (7) and the lower tube (8); the front tube (5) is rotatably connected with a front fork (9) and a handlebar (10), and the front wheel (3) is rotatably connected with the front fork (9);

the rear frame assembly (2) comprises an upper rear fork (11) and a lower rear fork (12), a motor mounting shell (13) is arranged at the joint of the middle pipe (6) and the lower pipe (8), the lower rear fork (12) is rotatably connected with the motor mounting shell (13), and one end, far away from the motor mounting shell (13), of the lower rear fork (12) is rotatably connected with the upper rear fork (11);

a floating connecting assembly (14) is arranged between one end of the rear upper fork (11) far away from the rear lower fork (12) and the upper pipe (7);

floating connection subassembly (14) including connecting sleeve (15), along connecting sleeve (15) the buffering connecting rod (16) that slide and set up and be connected trident (17), it comprises three stabilizer blade to connect trident (17), the three stabilizer blade of connecting trident (17) is articulated with buffering connecting rod (16), upper tube (7) and back upper fork (11) respectively, the one end that buffering connecting rod (16) were kept away from in connecting sleeve (15) is articulated with upper tube (7).

2. The shock-absorbing mountain electric bicycle of claim 1, wherein: the junction of well pipe (6) and upper tube (7) is provided with consolidates connecting rod (18), the articulated department of connecting trident (17) and upper tube (7) sets up in the junction of consolidating connecting rod (18) and upper tube (7).

3. The shock-absorbing mountain electric bicycle of claim 1, wherein: the downside of upper tube (7) is equipped with articulated seat (19), be equipped with on articulated seat (19) and connect branch (20), connect branch (20) and upper tube (7) and be the acute angle setting, connecting sleeve (15) are articulated with articulated seat (19).

4. The shock-absorbing mountain electric bicycle of claim 1, wherein: and a reinforcing cross rod (21) is arranged on the rear upper fork (11), and the reinforcing cross rod (21) is arranged at one end, close to the middle pipe (6), of the rear upper fork (11).

5. The shock-absorbing mountain electric bicycle of claim 1, wherein: the damping rod (22) is inserted into the front fork (9), one section of the damping rod (22) inserted into the front fork (9) is sleeved with a damping spring (23), and two ends of the damping spring (23) are respectively connected with the damping rod (22) and the front fork (9).

6. The shock-absorbing mountain electric bicycle of claim 1, wherein: and a buffer rubber (24) is arranged between the buffer connecting rod (16) and the bottom of the connecting sleeve (15).

7. The shock-absorbing mountain electric bicycle of claim 1, wherein: compressed nitrogen is filled in the connecting sleeve (15), and an inflating nozzle (25) is arranged on the connecting sleeve (15).

8. The shock-absorbing mountain electric bicycle of claim 1, wherein: a hinged screw rod (26) is arranged at the joint of the connecting sleeve (15) and the hinged seat (19), the middle section of the hinged screw rod (26) is an optical axis section, and an inner hexagonal nut and a connecting nut (27) matched with threads are respectively arranged at two ends of the hinged screw rod (26); the connection part of the buffer connecting rod (16) and the connecting fork (17) is connected through the hinged screw rod (26) and the connecting nut (27).