CN204279813U - A kind of limit pipe of electric bicycle fame - Google Patents

Abstract

The utility model discloses a kind of limit pipe of electric bicycle fame, its main points are: limit pipe is integrated part; Limit pipe carries out corresponding bending aftershaping by steel pipe; Symmetrical structure before and after Bian Guanwei; Limit pipe be divided into successively from left to right a left side protect thick stick portion, under protect thick stick portion, thick stick portion is protected on the right side and saddle portion.The utility model structure is simple; easy for installation; limit pipe is one-body molded extends to saddle from headstock along vehicle body without splicing; itself be vehicle body (eliminating the girder in existing structure); it is again protection thick stick simultaneously; both saved material and intensity handsome in appearance is high, safety improves greatly, is conducive to protection driver and rider.

Description

A kind of limit pipe of electric bicycle fame

Technical field

The utility model relates to Electrical Bicycle field, is specifically related to a kind of limit pipe of electric bicycle fame.

Background technology

The bicycle owning amount of China is in first of the world, has the good reputation of " bikedom ".Electrical Bicycle, refers to using storage battery as auxiliary energy on the basis of ordinary bicycle, has installed the Personal Transporter of the electromechanical integration of the control members such as motor, controller, storage battery, handle brake lever and display instrument system.In recent years, along with improving constantly of people's living standard, Electrical Bicycle is more and more welcomed by the people with its convenience, traveling comfort, safety and energy-conserving and environment-protective.

The speed of a motor vehicle of Electrical Bicycle is higher, braking ability is poor, therefore has higher requirement to its safety.At present, for split designs, aesthetics is poor, fits together when deployed for car load and protection thick stick (managing also referred to as limit) of the Electrical Bicycle on market, and install loaded down with trivial details, intensity is poor, and during collision happens, safety is lower.

Utility model content

It is simple that the purpose of this utility model is to provide a kind of structure, the limit pipe of the vehicle frame of the Electrical Bicycle that safety is higher.

The basic technical scheme realizing the utility model object is: a kind of limit pipe of electric bicycle fame, and its constructional feature is: limit pipe is integrated part; Limit pipe carries out corresponding bending aftershaping by steel pipe; Symmetrical structure before and after Bian Guanwei; Limit pipe be divided into successively from left to right a left side protect thick stick portion, under protect thick stick portion, thick stick portion is protected on the right side and saddle portion.

The utility model has positive effect: (1) the utility model structure is simple; easy for installation; limit pipe is one-body molded extends to saddle from headstock along vehicle body without splicing; itself be namely vehicle body (eliminating the girder in existing structure); it is again protection thick stick simultaneously; both saved material and intensity handsome in appearance is high, safety improves greatly, is conducive to protection driver and rider.

Accompanying drawing explanation

Fig. 1 is the structural representation of the Electrical Bicycle of application limit of the present utility model pipe;

Fig. 2 is that schematic diagram is looked on a left side of Fig. 1;

Fig. 3 is that schematic diagram is looked on the right side of Fig. 1;

Fig. 4 is the schematic top plan view of Fig. 1;

Fig. 5 is schematic diagram when observing downwards from the left anterior-superior part of Fig. 1;

Fig. 6 is schematic diagram when observing downwards from the right back top of Fig. 1;

Fig. 7 is schematic diagram when upwards observing from the left back below of Fig. 1;

Fig. 8 is the schematic diagram of the limit pipe in Fig. 5.

Mark in above-mentioned accompanying drawing is as follows:

Frame tube assembly 1, limit pipe 11, thick stick portion 11-1 is protected on a left side, under protect thick stick portion 11-2, thick stick portion 11-3 is protected on the right side, saddle portion 11-4, head tube 12, head tube support tube 13, first connection pipe 14, second connection pipe the 15, three connection pipe 16,

Saddle assembly 2, seatpillar 21, saddle hinge 22, saddle reinforced seat 23, stay bearing plate 24, controller adapter plate 25, strengthens gusset 26,

Battery fixing component 3, battery case left front limit pipe 31, battery case left back limit pipe 32, battery case stationary pipes 33, connection pipe 34 before battery case, connection pipe 35 after battery case, the left supporting plate 36 of battery case, the right supporting plate 37 of battery case,

Chain stay assembly 4, front side chainstay 41, first U-lag 41-1, rear side chainstay 42, second U-lag 42-1, reinforced company's adapter 43,

Dampening assembly 5, bumper 51, front shock absorber 51a, rear shock absorber 51b,

Bicycle basket bracket component 6, temple support 7, support support 8, steering lock 9.

Detailed description of the invention

The description in orientation of the present utility model is carried out according to the orientation shown in Fig. 1, and also namely the direction up and down shown in Fig. 1 is the direction up and down of description, and a side of court of Fig. 1 institute is front, and the side deviating from Fig. 1 is rear.

(embodiment 1)

The limit pipe 11 of electric bicycle fame of the present utility model is integrated part.Limit pipe 11 carries out corresponding bending aftershaping by steel pipe.Limit pipe 11 is front and back symmetrical structure.Limit pipe 11 be divided into successively from left to right a left side protect thick stick portion 11-1, under protect thick stick portion 11-2, thick stick portion 11-3 is protected on the right side and saddle portion 11-4.

(application examples)

See Fig. 1 and Fig. 5, the electric bicycle fame of use-case should comprise vehicle frame administration component 1, saddle assembly 2, battery fixing component 3, chain stay assembly 4, dampening assembly 5, bicycle basket bracket component 6, temple support 7, support support 8 and steering lock 9.

See Fig. 1 to Fig. 8, vehicle frame administration component 1 comprises limit pipe, head tube 12 and head tube support tube 13, first connection pipe 14, second connection pipe 15 and the 3rd connection pipe 16.Limit pipe adopts the limit pipe 11 described in embodiment 1.Head tube 12 is fixed between the left part both upper ends thereof head of limit pipe 11 by its upper weld, and arranges in left low right height.Head tube support tube 13 weld along front and back to level be fixedly installed limit pipe 11 left part between, and through head tube 12 bottom corresponding site, be welded and fixed with head tube 12 corresponding site and be connected.First connection pipe 14 welds the left side being fixedly installed limit pipe 11 and protects between the bottom of thick stick portion 11-1 along front and back to level.Second connection pipe 15 welds along front and back to level and is fixedly installed limit pipe and protects between the right part of thick stick portion 11-2 for 11 times.3rd connection pipe 16 welds the right side being fixedly installed limit pipe 11 and protects between the top of thick stick portion 11-3 along front and back to level.Bicycle basket bracket component 6 is fixedly installed on the left side of head tube 12.On on rear side of the top that steering lock 9 is fixedly installed on head tube 12.

See Fig. 1, Fig. 4 to Fig. 7, saddle assembly 2 comprises seatpillar 21, saddle hinge 22, saddle reinforced seat 23, stay bearing plate 24 and controller adapter plate 25.Seatpillar 21 is substantially in " U-shaped ".Seatpillar 21 is weldingly fixed on the saddle portion 11-4 of limit pipe 11 left and right by its left part two ends to middle part on.Saddle hinge 22 is weldingly fixed on the sagittal middle part of left part of the saddle portion 11-4 of limit pipe 11.Saddle reinforced seat 23 is substantially in " U-shaped ".The saddle portion 11-4 that its left part two ends of saddle reinforced seat 23 is weldingly fixed on limit pipe 11 protects on the junction of thick stick portion 11-3 with right.Stay bearing plate 24 is weldingly fixed between the right part of seatpillar 21 and the right part of saddle reinforced seat 23.Corresponding reinforcement gusset 26 is also welded with between saddle reinforced seat 23 and the saddle portion 11-4 of limit pipe 11.

See Fig. 1, Fig. 4 to Fig. 7, battery fixing component 3 comprises connection pipe 35, the left supporting plate of battery case 36 and the right supporting plate 37 of battery case after connection pipe 34 before battery case left front limit pipe 31, battery case left back limit pipe 32, battery case stationary pipes 33, battery case, battery case.Battery case left front limit pipe 31 and battery case left back limit pipe 32 are parallel to each other from front to back to be welded and fixed successively and are arranged on the first connection pipe 14.Battery case stationary pipes 33 is integrated part, basic in horizontal opening U-shaped to the right.Battery case stationary pipes 33 front portion is weldingly fixed on battery case left front limit pipe 31 and battery case left back limit pipe 32, and rear portion is fixedly installed on the second connection pipe 15 by corresponding connecting panel.Before battery case, connection pipe 34 is weldingly fixed between the front portion, middle part of battery case stationary pipes 33 and the thick stick portion that protects under the front part 11-2 of limit pipe 11.After battery case, connection pipe 35 is weldingly fixed between the rear portion, middle part of battery case stationary pipes 33 and the thick stick portion that protects under the rear section 11-2 of limit pipe 11.The left supporting plate 36 of battery case along front and back to the left part being weldingly fixed on battery case stationary pipes 33 between.The right supporting plate 37 of battery case along front and back to the right part being weldingly fixed on battery case stationary pipes 33 between.The anterior middle part of battery case stationary pipes 33 is provided with temple support 7.

See Fig. 1, Fig. 5 to Fig. 7, chain stay assembly 4 comprises front side chainstay 41 and rear side chainstay 42.Front side chainstay 41 is identical with the structure of rear side chainstay 42, and to be symmetrical arranged to be arranged on before and after plane along left and right to vertical.Front side chainstay 41 is rotatably connected in the lower front side of the second connection pipe 15 by its left end by corresponding coupling assembling, and the right-hand member of front side chainstay 41 is provided with opening the first U-lag 41-1 for installation car wheel shaft backward.Rear side chainstay 42 is rotatably connected on the lower rearward side of the second connection pipe 15 by its left end by corresponding coupling assembling, and the right-hand member of rear side chainstay 42 is provided with opening the second U-lag 42-1 for installation car wheel shaft backward.Reinforced company's adapter 43 is provided with between front side chainstay 41 and the left side of rear side chainstay 42.The front side chainstay 41 of chain stay assembly 4 and the downside left part of rear side chainstay 42 are respectively equipped with corresponding support support 8.

See Fig. 1, Fig. 3, Fig. 5 to Fig. 7, dampening assembly 5 comprises bumper 51.Bumper 51 has 2.2 bumpers 51 are divided into front shock absorber 51a and rear shock absorber 51b by the difference of the front and back position residing for it.The lower end of front shock absorber 51a is hingedly fixed on the right-hand member of front side chainstay 41, and the upper end of front shock absorber 51a is fixedly connected with the front side left part of the 3rd connection pipe 16 is hinged.The lower end of rear shock absorber 51b is hingedly fixed on the right-hand member of rear side chainstay 42, and the upper end of rear shock absorber 51b is fixedly connected with the rear side left part of the 3rd connection pipe 16 is hinged.

Above embodiment and application examples are only for illustration of the utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not when departing from spirit and scope of the present utility model; various conversion and change can also be made; can also transform accordingly according to the inspiration of above-described embodiment and application examples in embody rule process, therefore all equivalent technical schemes all should be included within scope of patent protection of the present utility model.

Claims (1)

1. the limit pipe of an electric bicycle fame, is characterized in that: limit pipe (11) is integrated part; Corresponding bending aftershaping is carried out by steel pipe in limit pipe (11); Limit pipe (11) is front and back symmetrical structure; Limit pipe (11) be divided into successively from left to right a left side protect thick stick portion (11-1), under protect thick stick portion (11-2), thick stick portion (11-3) is protected on the right side and saddle portion (11-4).