CN213705675U - Bicycle frame - Google Patents

Abstract

The utility model belongs to the bicycle field especially relates to a bicycle frame, and it includes the head pipe, and the top of head pipe is connected with the top tube, and the bottom of head pipe is connected with the low tube, has the contained angle between top tube and the low tube, is equipped with well pipe between top tube and the low tube, and the top of well pipe is connected with the one end that the head pipe was kept away from to the top tube, and the bottom of well pipe is connected with the one end that the head pipe was kept away from to the low tube, and the bottom of well pipe is connected with well axle sleeve pipe, and well axle sleeve pipe is connected with. This application has the effect that can promote bicycle bearing capacity.

Description

Bicycle frame

Technical Field

The application relates to the bicycle field, in particular to a bicycle frame.

Background

A bicycle is one of the most common and simplest vehicles, and the frame is the skeleton of the bicycle, which bears the greatest weight of people and cargo.

At present, among the related art, chinese patent with application publication No. CN105620634A discloses a well bicycle frame, which includes head pipe, sloping, backup pad, return bend, seat pipe, rear fork and center tube sleeve, the sloping has the radian, and sloping one end connects the head pipe, and the sloping other end and center tube sleeve are connected, center tube sleeve and return bend one end are connected, be equipped with the backup pad between sloping and the return bend, the return bend other end is equipped with the seat pipe, the one end of rear fork is connected to the seat pipe lower extreme, and the center tube sleeve is connected to the other end of rear fork.

In view of the above-mentioned related art, the inventor believes that the force acting on the bicycle frame is finally transmitted to the inclined beam and the bent tube, and the supporting plate is arranged between the inclined beam and the bent tube, but the supporting plate bears smaller force, resulting in the defect of poor bicycle bearing capacity.

SUMMERY OF THE UTILITY MODEL

In order to improve the carrying capacity of a bicycle frame, the present application provides a bicycle frame.

The application provides a bicycle frame adopts following technical scheme:

the utility model provides a bicycle frame, includes the head pipe, and the top of head pipe is connected with the top tube, and the bottom of head pipe is connected with the low tube, has the contained angle between top tube and the low tube, is equipped with well pipe between top tube and the low tube, and the top of well pipe is kept away from the one end of head pipe with the top tube and is connected, and the bottom of well pipe is kept away from the one end of head pipe with the low tube and is connected, and the bottom of well pipe is connected with well axle sleeve pipe, and well axle sleeve pipe is connected with the bottom.

Through adopting above-mentioned technical scheme, when using the bicycle, the power that the bicycle bore is transmitted to well pipe and low tube on, because top tube and well pipe and low tube three form triangular's profile, consequently, the effort that acts on well pipe and low tube also can be undertaken to the top tube, and then can promote the bearing capacity of bicycle, simultaneously, the stability that the triangle-shaped profile that top tube, well pipe and low tube formed can promote the bicycle.

Optionally, the head intraductal damper assembly that is equipped with of head, damper assembly include fixed plate and shock tube, and the shock tube stretches into well intraductal and well pipe sliding connection, and the fixed plate is located the below and well pipe fixed connection of shock tube, is equipped with first elastic component between shock tube and the fixed plate, and first elastic component is connected with the bottom of shock tube, and first elastic component is connected with the fixed plate.

Through adopting above-mentioned technical scheme, when riding bicycle, inevitable meet the phenomenon that the road surface is uneven, bicycle tire and ground contact lead to the bicycle to take place to jolt, and the bicycle is jolted and is driven bicycle frame and saddle and take place to jolt, leads to riding passerby's travelling comfort poor. When the bicycle is installed, the saddle is installed on the shock absorption pipe, when the bicycle bumps, the first elastic piece plays a buffering role on the shock absorption pipe, so that the phenomenon that the bicycle saddle bumps can be reduced, and the comfort level of a rider is improved.

Optionally, the first elastic element is a first spring, the first spring is located at the bottom end of the shock absorption tube, the stretching direction of the first spring is a vertical direction, the top end of the first spring is fixedly connected with the bottom end of the shock absorption tube, and the bottom end of the first spring is fixedly connected with the top end of the fixing plate.

Through adopting above-mentioned technical scheme, when the wheel went on the road surface of unevenness, the frame reciprocated along with the shape of road surface undulation, and the bicycle is not steady, and first spring can play absorbing effect to the shock attenuation pipe, reduces the condition that the shock attenuation pipe reciprocated along with the bicycle frame, and then can reduce the phenomenon that the bicycle saddle reciprocated, promotes and rides passerby's comfort level.

Optionally, a supporting rod is arranged in the first spring, the bottom end of the supporting rod is fixedly connected with the top surface of the fixing plate, a sliding hole is formed in the bottom surface of the shock absorption tube, and the top end of the supporting rod stretches into the sliding hole and is connected with the shock absorption tube in a sliding mode.

Through adopting above-mentioned technical scheme, when the road surface unevenness, the bicycle frame reciprocates along with the wheel, and the bicycle frame removes and drives the fixed plate and remove, and the fixed plate removes and drives the bracing piece and remove. The setting of bracing piece can play spacing effect to first spring, can play the effect of direction to first spring simultaneously, promotes the stability when first spring removes, and in addition, the setting of bracing piece can reduce the condition that first spring takes place to buckle, guarantees the life of first spring.

Optionally, a clamping groove is formed in the inner side wall of the middle pipe, a clamping sheet is connected in the clamping groove in a sliding mode, and the clamping sheet is fixedly connected with the circumferential surface of the damping pipe.

Through adopting above-mentioned technical scheme, the shock tube removes and drives the joint piece and remove. The setting in joint piece and joint groove can play limiting displacement to the removal of shock tube, prevents that the distance that shock tube removed is too big, and then can reduce shock tube displacement and lead to riding passerby's the uncomfortable condition greatly, further promotes the comfort level of riding passerby.

Optionally, the clamping groove is internally provided with a second elastic piece, the second elastic piece is positioned above the clamping sheet, the second elastic piece is fixedly connected with the inner top wall of the clamping groove, and the second elastic piece is fixedly connected with the top surface of the clamping sheet.

Through adopting above-mentioned technical scheme, the shock attenuation pipe removes and drives the joint piece and remove, and the second elastic component is connected with the joint piece, and then the second elastic component can play the effect of buffering to the removal of joint piece, reduces the rigid contact between joint piece and the well pipe, further promotes the comfort level of riding passerby.

Optionally, the second elastic piece is a second spring, the stretching direction of the second spring is a vertical direction, the top end of the second spring is fixedly connected with the inner top wall of the clamping groove, and the bottom end of the second spring is fixedly connected with the inner bottom wall of the clamping groove.

Through adopting above-mentioned technical scheme, the joint piece removes and drives the extension of second spring or shrink, and the second spring plays the effect of buffering to the removal of joint piece, reduces the rigid contact between joint piece and the well pipe, and then can play the effect of buffering to the removal of shock attenuation pipe, and the travelling comfort when further promoting to ride passerby and riding.

Optionally, a third elastic piece is arranged in the clamping groove and located below the clamping sheet, the third elastic piece is fixedly connected with the bottom surface of the clamping sheet, and the third elastic piece is fixedly connected with the inner bottom wall of the clamping groove.

Through adopting above-mentioned technical scheme, the shock attenuation pipe removes and drives the joint piece and remove, and the joint piece removes and drives the third elastic component and remove, and the effect of buffering can be played to the removal of joint piece to the setting of third elastic component, reduces the rigid contact between joint piece and the well pipe, and then can further reduce the saddle along with the range that the shock attenuation pipe removed, further promotes the travelling comfort of riding passerby.

Optionally, the third elastic element is a third spring, the third spring is vertically arranged in the stretching direction, the top end of the third spring is fixedly connected with the bottom surface of the clamping piece, and the bottom end of the third spring is fixedly connected with the inner bottom wall of the clamping groove.

Through adopting above-mentioned technical scheme, the joint piece removes and drives the extension of third spring or shrink. The setting of third spring can play the effect of buffering to the removal of joint piece, and then can play the effect of buffering to the removal of shock tube, reduces the amplitude that the saddle removed along with the shock tube, promotes passerby's travelling comfort.

Optionally, the guide way has been seted up to the inside wall of well pipe, and the length direction of guide way is the same with the slip direction of shock tube, and sliding connection has the guide block in the guide way, guide block and shock tube fixed connection.

Through adopting above-mentioned technical scheme, the shock attenuation pipe removes to drive the guide block and removes in the guide way, and the setting of guide block and guide way can play direction and spacing effect to the removal of shock attenuation pipe, reduces the shock attenuation pipe and takes place circumferential direction's the condition, and then stability and smooth and easy nature when can promoting the shock attenuation pipe and remove.

In summary, the present application includes at least one of the following beneficial technical effects:

when the bicycle bears goods or people, the pressure borne by the bicycle is borne by the upper pipe, the lower pipe and the middle pipe, and the bearing capacity of the bicycle can be guaranteed. Meanwhile, the upper tube, the lower tube and the middle tube form a triangular outline, and the triangular outline can improve the stability of the bicycle frame.

The setting of fixed plate, first spring and shock tube for during the installation saddle, with the saddle with shock tube connected can, the effect of buffering can be played reciprocating of shock tube to the setting of first spring, and then can reduce the saddle along with the range that the shock tube removed, promote the comfort level of riding passerby.

The setting in joint piece and joint groove can play the effect of restriction to the removal of shock tube, reduces shock tube range of movement too big and leads to the saddle to follow the too big condition of shock tube range of movement, further guarantees the travelling comfort of riding.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

FIG. 2 is a partial structural cross-sectional view of the present application, which is intended to show a shock tube.

Description of reference numerals: 1. a head pipe; 11. feeding a pipe; 12. a lower pipe; 13. a middle tube; 131. a clamping groove; 1311. a clip sheet; 1312. a second spring; 1313. a third spring; 132. a guide groove; 1321. a guide block; 14. a middle shaft sleeve; 15. a rear fork; 2. a shock absorbing assembly; 21. a shock absorbing tube; 211. a guard ring; 212. a buffer spring; 22. a fixing plate; 221. a first spring; 2221. a support bar; 2222. and (6) sliding holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses bicycle frame. Referring to fig. 1, a bicycle frame includes head pipe 1, the global welding on 1 top of head pipe has last pipe 11, the global welding in 1 bottom of head pipe has low tube 12, be equipped with the contained angle between last pipe 11 and the low tube 12, be equipped with well pipe 13 between last pipe 11 and the low tube 12, well pipe 13's top is connected with the one end that head pipe 1 was kept away from to last pipe 11, well pipe 13's bottom is connected with the one end of keeping away from head pipe 1 of low tube 12, well pipe 13's bottom is connected with well axle sleeve 14, well axle sleeve 14 is connected with the bottom of low tube 12, well pipe 13 global is connected with back crotch 15.

Referring to fig. 1, a head pipe 1 is vertically arranged, an upper pipe 11 is horizontally arranged, and one end of the upper pipe 11 is welded to the top end of the circumferential surface of the head pipe 1; the lower pipe 12 is obliquely arranged, the top end of the lower pipe 12 is welded with the bottom end of the peripheral surface of the head pipe 1, the bottom end of the lower pipe 12 is inclined downwards, and the bottom end of the lower pipe 12 is positioned right below one end, far away from the head pipe 1, of the upper pipe 11; the lower tube 12 has an arc shape at its end near the head tube 1, forming a transition end, which is bent downward. Well pipe 13 is vertical to be located the one end that the head pipe 1 was kept away from to upper tube 11, and the top that well pipe 13 is global welds with the one end that the head pipe 1 was kept away from to upper tube 11, and well pipe 13's top is higher than the top of head pipe 1, and well pipe 13's bottom welds with the global of low tube 12 bottom. The middle tube 13, the upper tube 11 and the lower tube 12 form a triangular profile.

Referring to fig. 1, the middle shaft sleeve 14 is horizontally disposed, the axial direction of the middle shaft sleeve 14 is perpendicular to the axial direction of the lower pipe 12, the axial direction of the middle shaft sleeve 14 is perpendicular to the axial direction of the middle pipe 13, the peripheral surface of the middle shaft sleeve 14 is welded to the bottom end of the middle pipe 13, and the peripheral surface of the middle shaft sleeve 14 is welded to the bottom end of the lower pipe 12.

Referring to fig. 1, the rear fork 15 is located on one side of the middle pipe 13 far away from the upper pipe 11, the opening faces the middle pipe 13, the top end of the rear fork 15 is welded with the periphery of the top end of the middle pipe 13, and the bottom end is welded with the periphery of the middle shaft sleeve 14.

When the bicycle bears goods or people, the pressure borne by the bicycle frame is jointly borne by the middle pipe 13, the lower pipe 12 and the upper pipe 11, and the bearing capacity of the bicycle can be further ensured. Meanwhile, the upper tube 11, the lower tube 12 and the middle tube 13 form a triangular profile, so that the stability of the bicycle can be ensured.

Referring to fig. 2, a damping assembly 2 is disposed in the middle tube 13, the damping assembly 2 includes a fixing plate 22 and a damping tube 21, the fixing plate 22 is a circular plate-shaped structure coaxially disposed with the middle tube 13, and a peripheral surface of the fixing plate 22 is fixedly connected to an inner wall of the middle tube 13. Shock tube 21 for with well 13 coaxial setting's tubular structure, shock tube 21 is the bottom closed form, shock tube 21 is located the top of fixed plate 22, shock tube 21's bottom is stretched into well 13 in with well 13 sliding connection, shock tube 21's top is higher than well 13 top surface, shock tube 21's top is outside buckles and is formed protection ring 211, protection ring 211's bottom fixedly connected with buffer spring 212, buffer spring 212's flexible direction is vertical direction, buffer spring 212's bottom and shock tube 21's top surface fixed connection, be equipped with first elastic component between shock tube 21 and the fixed plate 22.

Referring to fig. 2, the first elastic member is a first spring 221, the extending direction of the first spring 221 is a vertical direction, the top end of the first spring 221 is fixedly connected to the bottom end of the shock absorbing tube 21, a supporting rod 2221 is arranged in the first spring 221, a sliding hole 2222 is formed in the bottom surface of the shock absorbing tube 21, the sliding hole 2222 is located above the supporting rod 2221, the bottom end of the supporting rod 2221 is fixedly connected to the top surface of the fixing plate 22, and the top end of the supporting rod 2221 extends into the sliding hole 2222 and is slidably connected to the shock absorbing tube 21.

Referring to fig. 2, the inside wall of well pipe 13 has been seted up joint groove 131, and joint groove 131 is ring shape joint groove 131, and sliding connection has joint piece 1311 in joint groove 131, and joint piece 1311's slip direction is vertical direction, and joint piece 1311 is the annular sheet structure with well pipe 13 coaxial setting, and joint piece 1311 cover is established in the periphery and the shock tube 21 fixed connection of shock tube 21.

Referring to fig. 2, a second elastic member is arranged in the clamping groove 131, the second elastic member is a second spring 1312, the second spring 1312 is located above the clamping piece 1311, the extending direction of the second spring 1312 is a vertical direction, the top end of the second spring 1312 is fixedly connected with the inner top wall of the clamping groove 131, and the bottom end of the second spring 1312 is fixedly connected with the top surface of the second clamping piece 1311. A third elastic member is arranged in the clamping groove 131, the third elastic member is a third spring 1313, the third spring 1313 is located below the clamping sheet 1311, the top end of the third spring 1313 is fixedly connected with the bottom surface of the clamping sheet 1311, and the bottom end of the third spring 1313 is fixedly connected with the inner bottom wall of the clamping groove 131.

Run into unevenness's the road surface, the bicycle frame reciprocates along with ground fluctuation, and the frame removes and drives fixed plate 22 and remove, and fixed plate 22 removes and drives first spring 221 and stretch out and draw back or extension, and first spring 221 plays the cushioning effect to shock tube 21, and then shock tube 21 can reduce the phenomenon that the saddle reciprocated along with the frame, promotes and rides passerby's travelling comfort. Meanwhile, the damping tube 21 vertically moves to drive the clamping piece 1311 to move, and the clamping piece 1311 moves to enable the second spring 1312 and the third spring 1313 to extend or contract, so that the damping tube 21 can be further buffered, and the stability of a vehicle seat connected with the damping tube 21 is improved.

Referring to fig. 2, the inner wall of the middle tube 13 is provided with a guide groove 132, the length direction of the guide groove 132 is a vertical direction, a guide block 1321 is slidably connected in the guide groove 132, and the guide block 1321 is fixedly connected with the outer wall of the shock-absorbing tube 21.

Shock tube 21 removes and drives guide block 1321 and remove, and guide block 1321 plays spacing effect to shock tube 21's removal, reduces shock tube 21 and removes the pivoted phenomenon of in-process emergence.

The implementation principle of this application embodiment bicycle frame does: when the bicycle bears people or goods, well pipe 13, top tube 11 and low tube 12 can undertake the pressure that acts on the bicycle simultaneously, and simultaneously, well pipe 13, top tube 11 and low tube 12 can form the triangle-shaped profile, and then can guarantee bicycle frame's stability.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A bicycle frame, characterized in that: including head pipe (1), global being connected with top tube (11) on head pipe (1) top, global being connected with low tube (12) of head pipe (1) bottom, there is the contained angle between top tube (11) and low tube (12), be equipped with well pipe (13) between top tube (11) and low tube (12), the global one end of keeping away from head pipe (1) with top tube (11) on well pipe (13) top is connected, the global one end of keeping away from head pipe (1) with low tube (12) of well pipe (13) bottom is connected, the bottom of well pipe (13) is connected with well axle sleeve (14) pipe, well axle sleeve (14) pipe is connected with the bottom of low tube (12), the global back crotch (15) that is connected with of keeping away from top tube (11) well pipe (13).

2. A bicycle frame as defined in claim 1, wherein: be equipped with damper (2) in well pipe (13), damper (2) are including fixed plate (22) and shock tube (21), shock tube (21) stretch into in well pipe (13) with well pipe (13) sliding connection, below and well pipe (13) fixed connection that fixed plate (22) are located shock tube (21), be equipped with first elastic component between shock tube (21) and fixed plate (22), first elastic component is connected with the bottom of shock tube (21), first elastic component is connected with fixed plate (22).

3. A bicycle frame as defined in claim 2, wherein: the first elastic piece is a first spring (221), the first spring (221) is located at the bottom end of the shock absorption tube (21), the stretching direction of the first spring (221) is the vertical direction, the top end of the first spring (221) is fixedly connected with the bottom end of the shock absorption tube (21), and the bottom end of the first spring (221) is fixedly connected with the top end of the fixing plate (22).

4. A bicycle frame as defined in claim 3, wherein: be equipped with bracing piece (2221) in first spring (221), the top surface fixed connection of the bottom of bracing piece (2221) and fixed plate (22), hole (2222) that slide have been seted up to the bottom surface of shock tube (21), the top of bracing piece (2221) stretch into in the hole (2222) that slide with shock tube (21) sliding connection.

5. A bicycle frame as defined in claim 2, wherein: the inside wall of well pipe (13) has seted up joint groove (131), and sliding connection has joint piece (1311) in joint groove (131), and joint piece (1311) and the global fixed connection of shock tube (21).

6. A bicycle frame as defined in claim 5, wherein: the clamping groove (131) is internally provided with a second elastic piece which is positioned above the clamping sheet (1311), the second elastic piece is fixedly connected with the inner top wall of the clamping groove (131), and the second elastic piece is fixedly connected with the top surface of the clamping sheet (1311).

7. A bicycle frame as defined in claim 6, wherein: the second elastic piece is a second spring (1312), the stretching direction of the second spring (1312) is the vertical direction, the top end of the second spring (1312) is fixedly connected with the inner top wall of the clamping groove (131), and the bottom end of the second spring (1312) is fixedly connected with the inner bottom wall of the clamping groove (131).

8. A bicycle frame as defined in claim 5, wherein: the clamping groove (131) is internally provided with a third elastic part, the third elastic part is positioned below the clamping sheet (1311), the third elastic part is fixedly connected with the bottom surface of the clamping sheet (1311), and the third elastic part is fixedly connected with the inner bottom wall of the clamping groove (131).

9. A bicycle frame as defined in claim 8, wherein: the third elastic part is a third spring (1313), the telescopic direction of the third spring (1313) is vertically arranged, the top end of the third spring (1313) is fixedly connected with the bottom surface of the clamping sheet (1311), and the bottom end of the third spring (1313) is fixedly connected with the inner bottom wall of the clamping groove (131).

10. A bicycle frame as defined in claim 2, wherein: guide way (132) have been seted up to the inside wall of well pipe (13), and the length direction of guide way (132) is the same with the slip direction of shock tube (21), and sliding connection has guide block (1321) in guide way (132), guide block (1321) and shock tube (21) fixed connection.

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