CN210793474U

CN210793474U - High-strength frame of electric power-assisted bicycle

Info

Publication number: CN210793474U
Application number: CN201920473624.3U
Authority: CN
Inventors: 范晓东
Original assignee: Suzhou Fantrider Sports Technology Co ltd
Current assignee: Suzhou Fantrider Sports Technology Co ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-06-19
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses an electric power-assisted bicycle high strength frame, including the low tube, the middle part inboard of low tube is closely laminated and is had the maintenance pipe, the equal fixedly connected with spliced pole in upper and lower both sides of maintenance pipe, the middle part outside of low tube is closely laminated and is had first threaded rod, the rear side swing joint of protective housing has the visor, the front side top fixedly connected with gag lever post of protective housing, the left end fixedly connected with head pipe of low tube, and the inside draw-in groove of head pipe is connected with the head post, the fixed welding of right-hand member of low tube has the motor fixed slot, the upside welding of motor fixed slot has the riser, the inside reservation of support frame has the spacing groove. This electric power assisted bicycle high strength frame, the convenient storage battery of overhauing and changing has set up protection device to the storage battery, can effectively avoid the collision to the injury that the storage battery caused, can effectively fix the saddle, prevents the slippage, and the person of facilitating the use is to the regulation of saddle height.

Description

High-strength frame of electric power-assisted bicycle

Technical Field

The utility model relates to an electric power assisted bicycle correlation technique field specifically is an electric power assisted bicycle high strength frame.

Background

The booster bicycle is a novel two-wheel vehicle, belongs to one kind of bicycle to the battery is as the auxiliary power source, can the novel vehicle that the auxiliary user ridden, can be laborsaving, has the advantage in the aspect of going up a slope, long-distance riding etc, and bicycle frame is on the bicycle and its important part, can control rider's posture to the life of bicycle has been decided.

The electric power assisted bicycle high strength frame that uses at present, inconvenient maintenance and change storage battery, the storage battery does not have protection device, damages easily, can not avoid the injury that the collision caused to the storage battery, can not effectively fix the saddle, and the easy slippage of saddle, inconvenient user are to the regulation of saddle height, consequently, we propose an electric power assisted bicycle high strength frame to in solving the problem that proposes in the aforesaid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric power assisted bicycle high strength frame to solve the inconvenient maintenance of the electric power assisted bicycle high strength frame of using at present that proposes in the above-mentioned background art and change the storage battery, the storage battery does not have protection device, and easy damage can not avoid the collision to the injury that the storage battery caused, can not effectively fix the saddle, the easy slippage of saddle, the problem of inconvenient user to the regulation of saddle height.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength frame of an electric power-assisted bicycle comprises a lower pipe, wherein a maintenance pipe is tightly attached to the inner side of the middle of the lower pipe, a storage battery is connected to an internal clamping groove of the maintenance pipe, connecting columns are fixedly connected to the upper side and the lower side of the maintenance pipe respectively, the connecting columns are in threaded connection with the inside of the lower pipe, a first threaded rod is tightly attached to the outer side of the middle of the lower pipe and is fixedly connected to the inside of a protective shell, a protective cover is movably connected to the rear side of the protective shell, a first fixing block is fixedly connected to the upper side of the protective cover, a second fixing block is tightly attached to the front side of the first fixing block, a second threaded rod penetrates through the inside of the second fixing block, a limiting rod is fixedly connected to the upper side of the front side of the protective shell, a limiting block is in threaded connection with the rear end of the limiting rod, and the inside draw-in groove of head pipe is connected with the head post, the fixed welding of the right-hand member of low tube has the motor fixed slot, and the right side fixedly connected with chain stay of motor fixed slot, the upside welding of motor fixed slot has the riser, and the upper end outside draw-in groove of riser is connected with the support frame to the right side fixedly connected with of riser is pitched immediately, the inside reservation of support frame has the spacing groove, and the inside threaded connection of spacing groove has the dead lever.

Preferably, the maintenance pipe passes through the spliced pole and constitutes revolution mechanic on the lower tube, and the right side longitudinal section of maintenance pipe is concave-convex structure.

Preferably, the limiting block forms a dismounting structure on the limiting rod, and the limiting rod is connected with the lower pipe in a clamping groove connection mode.

Preferably, the first threaded rod is distributed at equal angles on the protective shell, and the protective shell is connected with the protective cover in a clamping groove connection mode.

Preferably, the limiting grooves are arranged on the left side and the right side of the supporting frame at equal intervals, and the supporting frame forms a lifting structure on the vertical pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the high-strength frame of the electric power-assisted bicycle is convenient to overhaul and replace the storage battery, the protection device is arranged for the storage battery, the damage to the storage battery caused by collision can be effectively avoided, the saddle can be effectively fixed, the slipping is prevented, and a user can conveniently adjust the height of the saddle;

1. the maintenance device is provided with the lower pipe, the maintenance pipe and the connecting column, the connecting column is fixedly connected to the upper side and the lower side of the maintenance pipe, the connecting column is connected with the lower pipe in a threaded mode, the longitudinal section of the right side of the maintenance pipe is of a concave-convex structure, the connecting column can be rotated on the lower pipe to expose the storage battery, the storage battery is convenient to maintain and replace, and the service life of the storage battery can be prolonged;

2. the protective shell is fixed, the protective shell and the protective cover are fixed by the second threaded rod, the first threaded rod arranged in the protective shell at equal angles can effectively prevent collision and buffer, and the damage to the storage battery caused by collision can be effectively avoided;

3. be provided with spacing groove, support frame and dead lever, because riser and support frame adopt the mode of draw-in groove connection to be connected, and the support frame passes through dead lever and riser fixed, when dead lever threaded connection was in the spacing inslot, can effectively fix the saddle, prevent the slippage, equidistant spacing setting can the person of facilitating the use to the regulation of saddle height on the support frame.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the connection of the protective shell and the protective cover of the present invention;

FIG. 3 is a schematic view of a side view of the connection between the lower tube and the limiting rod of the present invention;

fig. 4 is the utility model discloses maintenance pipe and spliced pole connection structure sketch map.

In the figure: 1. a lower pipe; 2. a battery cell; 3. maintaining the pipe; 4. connecting columns; 5. a protective shell; 6. a limiting rod; 7. a limiting block; 8. a protective cover; 9. a first fixed block; 10. a second fixed block; 11. a first threaded rod; 12. a head pipe; 13. a head post; 14. a motor fixing groove; 15. a bottom fork; 16. a riser; 17. a vertical fork; 18. a support frame; 19. a limiting groove; 20. fixing the rod; 21. a second threaded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-strength frame of an electric power-assisted bicycle comprises a lower tube 1, a storage battery 2, a maintenance tube 3, a connecting column 4, a protective shell 5, a limiting rod 6, a limiting block 7, a protective cover 8, a first fixing block 9, a second fixing block 10, a first threaded rod 11, a head tube 12, a head column 13, a motor fixing groove 14, a bottom fork 15, a vertical tube 16, a vertical fork 17, a supporting frame 18, a limiting groove 19 and a fixing rod 20, wherein the maintenance tube 3 is tightly attached to the inner side of the middle part of the lower tube 1, the storage battery 2 is connected to an internal clamping groove of the maintenance tube 3, the connecting column 4 is fixedly connected to the upper side and the lower side of the maintenance tube 3, the connecting column 4 is in threaded connection with the inner part of the lower tube 1, the first threaded rod 11 is tightly attached to the outer side of the middle part of the lower tube 1, the first threaded rod 11 is fixedly connected to the inner, the front side of first fixed block 9 closely laminates there is second fixed block 10, and the inside through connection of second fixed block 10 has second threaded rod 21, front side top fixedly connected with gag lever post 6 of protective housing 5, and the rear end threaded connection of gag lever post 6 has stopper 7, and the front end threaded connection of stopper 7 is in the inside of low tube 1, the left end fixedly connected with head pipe 12 of low tube 1, and the inside draw-in groove of head pipe 12 is connected with head post 13, the right-hand member fixed welding of low tube 1 has motor fixed slot 14, and the right side fixedly connected with chain stay 15 of motor fixed slot 14, the upside welding of motor fixed slot 14 has riser 16, and the upper end outside draw-in groove of riser 16 is connected with support frame 18 and the right side fixedly connected with chain stay 17 of riser 16, the inside reservation of support frame 18 has spacing groove 19, and the inside threaded connection of spacing groove 19 has.

As shown in fig. 1, the limiting grooves 19 are equally spaced on the left side and the right side of the supporting frame 18, and the supporting frame 18 forms a lifting structure on the vertical pipe 16, so that the height adjustment is convenient, the stability is high, as shown in fig. 1 and fig. 3, the limiting block 7 forms a dismounting structure on the limiting rod 6, and the limiting rod 6 is connected with the lower pipe 1 in a clamping groove connection mode, so that the installation and the dismounting are convenient;

like first threaded rod 11 equidistance on protective housing 5 in fig. 2, and

protective housing

5 and 8 modes that adopt the draw-in groove to connect are connected, can protect storage battery 2, prolong storage battery 2's life, keep in repair pipe 3 and constitute rotating-structure on 1 low tube through spliced pole 4 as in fig. 4, and the right side longitudinal section of keeping in repair pipe 3 is concavo-convex structure, makes things convenient for the installation of storage battery 2 to dismantle and overhaul.

The working principle is as follows: when the high-strength frame of the electric power-assisted bicycle is used, the storage battery 2 is installed in the maintenance pipe 3, then the maintenance pipe 3 is rotated, the upper side and the lower side of the maintenance pipe 3 are fixedly connected with the connecting columns 4, the connecting columns 4 are connected with the lower pipe 1 in a threaded connection mode, the maintenance pipe 3 can be limited, and the longitudinal section of the right side of the maintenance pipe 3 is of a concave-convex structure, so that the maintenance and installation are convenient;

then, a limiting rod 6 fixedly connected with the upper side of the protective shell 5 is connected with a lower pipe 1 clamping groove, then the limiting block 7 is in threaded connection with the limiting rod 6, the limiting block 7 is screwed into the lower pipe 1, the lower pipe 1 and the limiting rod 6 are fixed, then the protective shell 5 is connected with a protective cover 8 clamping groove, and then a second threaded rod 21 is screwed into a first fixing block 9 and a second fixing block 10, so that the protective shell 5 and the protective cover 8 are fixed;

the head column 13 penetrates through the head pipe 12, then the support frame 18 is connected with the vertical pipe 16 clamping groove fixedly connected with the upper side of the motor fixing groove 14, the height is adjusted, the fixing rod 20 is inserted into the limiting groove 19 and screwed, and the support frame 18 and the vertical pipe 16 are fixed, so that the whole process of using the high-strength frame of the electric power-assisted bicycle is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic helping hand bicycle high strength frame, includes low tube (1), its characterized in that: the middle inner side of the lower pipe (1) is tightly attached with a maintenance pipe (3), an internal clamping groove of the maintenance pipe (3) is connected with a storage battery (2), connecting columns (4) are fixedly connected to the upper and lower sides of the maintenance pipe (3) respectively, the connecting columns (4) are in threaded connection with the inside of the lower pipe (1), a first threaded rod (11) is tightly attached to the outer side of the middle of the lower pipe (1), the first threaded rod (11) is fixedly connected with the inside of the protective shell (5), a protective cover (8) is movably connected to the rear side of the protective shell (5), a first fixed block (9) is fixedly connected to the upper side of the protective cover (8), a second fixed block (10) is tightly attached to the front side of the first fixed block (9), a second threaded rod (21) is connected to the inside of the second fixed block (10) in a penetrating manner, a limiting rod (6) is fixedly connected, and the rear end threaded connection of gag lever post (6) has stopper (7) to the front end threaded connection of stopper (7) is in the inside of low tube (1), the left end fixedly connected with head pipe (12) of low tube (1), and the inside draw-in groove of head pipe (12) is connected with head post (13), the right-hand member fixed weld of low tube (1) has motor fixed slot (14), and the right side fixedly connected with chain stay (15) of motor fixed slot (14), the upside welding of motor fixed slot (14) has riser (16), and the upper end outside draw-in groove of riser (16) is connected with support frame (18) to the right side fixedly connected with chain stay (17) of riser (16), the inside reservation of support frame (18) has spacing groove (19), and the inside threaded connection of spacing groove (19) has dead lever (20).

2. The high-strength frame of the electric power-assisted bicycle according to claim 1, characterized in that: the maintenance pipe (3) forms a rotating structure on the lower pipe (1) through the connecting column (4), and the right longitudinal section of the maintenance pipe (3) is of a concave-convex structure.

3. The high-strength frame of the electric power-assisted bicycle according to claim 1, characterized in that: the limiting block (7) forms a dismounting structure on the limiting rod (6), and the limiting rod (6) is connected with the lower pipe (1) in a clamping groove connection mode.

4. The high-strength frame of the electric power-assisted bicycle according to claim 1, characterized in that: first threaded rod (11) are equiangular distribution on protective housing (5), and protective housing (5) and visor (8) adopt the mode of draw-in groove connection to be connected.

5. The high-strength frame of the electric power-assisted bicycle according to claim 1, characterized in that: the limiting grooves (19) are arranged on the left side and the right side of the supporting frame (18) at equal intervals, and the supporting frame (18) forms a lifting structure on the vertical pipe (16).