CN213768863U

CN213768863U - Battery box assembling structure of electric bicycle

Info

Publication number: CN213768863U
Application number: CN202021145869.2U
Authority: CN
Inventors: 钱芳富; 王志凯
Original assignee: Shenzhen Fairway Technology Development Co ltd
Current assignee: Shenzhen Fairway Technology Development Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-07-23
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a battery box assembly structure of an electric bicycle, which comprises a bicycle beam and a head pipe, wherein the bicycle beam comprises a front beam and an upper beam, the front beam is obliquely arranged, the front end of the front beam is fixed on the head pipe, the upper beam is horizontally arranged, and the front end of the upper beam is fixed on the head pipe; the two seat pipes are arranged at intervals, the upper ends of the seat pipes are fixed at the tail end of the upper beam, and the lower ends of the seat pipes are fixed on the transversely arranged five-way pipe; the tail end of the front beam is fixed on the five-way pipe; the bracket is L-shaped, the front end of the bracket is low, the rear end of the bracket is high, the bracket is obliquely and fixedly arranged between the front beam and the two seat tubes, and the battery box is arranged on the bracket. This technical scheme frame overall structure is stable, battery case set up that the space utilizes rationally and assemble firm, convenience of customers uses.

Description

Battery box assembling structure of electric bicycle

Technical Field

The utility model relates to an electric vehicle field, in particular to electric bicycle's battery case assembly structure.

Background

Energy conservation and emission reduction are promoted all over the world, and China is a creditable electric vehicle republic. The electric bicycle has more and more popular trend because of the convenience of going out, can effectively reduce the pollution of fuel to atmosphere.

How to mount the battery of the electric bicycle has many formed proposals, such as "an electric bicycle" disclosed in chinese patent CN201621256318.7, in which the battery assembly is disposed on the upper side of the rear fork. Chinese patent CN201621180425.6 discloses a battery box for electric bicycle, which is characterized in that the battery box is arc-shaped and is arranged in the gap between the upper side of the rear wheel and the rear seat of the bicycle, the battery with the design is not easy to be taken out and maintained or charged independently, and the rear part of the bicycle body is too bulky and not beautiful. Chinese patent CN201620613957.8 discloses a "battery pack mounting structure of electric bicycle", which is a more mode adopted at present, but the capacity of the beam is limited, or the length of the beam is extended, or the cross section of the beam is enlarged, and the battery that can be accommodated has certain volume limitation. How to make full use of the structural characteristics of the frame itself to accommodate the large-capacity battery and keep the stability of the overall structure of the frame is a problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a frame stable in structure, battery case position reasonable, convenient assembly and extraction battery case's electric bicycle's battery case assembly structure.

The utility model discloses a realize like this: a battery box assembling structure of an electric bicycle comprises a bicycle beam and a head pipe, wherein the bicycle beam comprises a front beam and an upper beam, the front beam is obliquely arranged, the front end of the front beam is fixed on the head pipe, the upper beam is horizontally arranged, and the front end of the upper beam is fixed on the head pipe; the two seat pipes are arranged at intervals, the upper ends of the seat pipes are fixed at the tail end of the upper beam, and the lower ends of the seat pipes are fixed on the transversely arranged five-way pipe; the tail end of the front beam is fixed on the five-way pipe; the bracket is L-shaped, the front end of the bracket is low, the rear end of the bracket is high, the bracket is obliquely and fixedly arranged between the front beam and the two seat tubes, and the battery box is arranged on the bracket.

The baffle at the front end of the bracket is fixed on the front beam, and the bottom of the battery box is abutted against the baffle.

The bracket is provided with a support body, and two parallel slide rails are arranged on the upper side of the support body; the lower side of the battery box is provided with a groove, and two sides of the groove are provided with concave clamping grooves; the clamping groove of the battery box is clamped into the sliding rail and is in sliding connection.

A cross rod is arranged between the two seat tubes, and the middle part of the support body is welded and fixed on the cross rod.

The tail end of the sliding rail is provided with a battery lock, a lock cylinder is arranged in the battery lock, and a lock opening of the battery lock is positioned on the side edge of the sliding rail; the lock core outlet is positioned between the two slide rails.

The lower side of the battery box is provided with a hook piece, the battery box is fixed at the position of the support body, and the position of the lock cylinder outlet is matched with the position of a through hole in the hook piece.

The rear fork comprises a lower rear fork and an upper rear fork, the front end of the lower rear fork is fixed to the five-way pipe, the front end of the upper rear fork is fixed to the seat pipe, and the lower rear fork and the upper rear fork are connected at the tail.

The upper beams are two, and the two upper beams are arranged at intervals in the middle and are connected in an intersection manner at the tail part.

The tail part of the battery box is provided with a handle.

The front beam, the upper beam and the two seat tubes of the electric bicycle frame of the utility model form a stable frame structure, and the anti-bumping and anti-torsion performances are strong in the riding process; the bracket is L-shaped, the bracket is obliquely and fixedly arranged between the front beam and the two seat tubes, and the battery box is arranged on the bracket, so that the shape of the frame is fully utilized to arrange the battery box body, the external shape of the frame is not increased, and the structure is compact and reasonable; the battery box and the bracket are designed in a way that the clamping groove and the sliding rail are matched, so that the battery box is convenient to fix or draw; in addition, the battery box is fixed by matching with a battery lock to form double insurance.

Drawings

Fig. 1 is a perspective view of a battery case assembly structure of an electric bicycle according to the present invention;

fig. 2 is another perspective view of the battery case assembly structure of the electric bicycle of the present invention;

fig. 3 is a perspective view of a battery case of the battery case assembly structure of the electric bicycle of the present invention;

fig. 4 is a schematic cross-sectional view of a battery case of the battery case assembly structure of the electric bicycle of the present invention;

fig. 5 is a plan view of the battery case assembling structure of the electric bicycle of the present invention;

fig. 6 is a schematic diagram of the battery box extracting process of the battery box assembling structure of the electric bicycle of the present invention.

Detailed Description

The battery box assembling structure of the electric bicycle of the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the battery box assembling structure of the electric bicycle includes a frame member 1 and a head pipe 2, the frame member includes a front beam 11 and an upper beam 12, the front beam 11 is obliquely disposed and the front end of the front beam is fixed to the head pipe 2, the upper beam 12 is horizontally disposed and the front end of the upper beam is fixed to the head pipe 2; the two seat pipes 3 are arranged at intervals, the upper ends of the seat pipes 3 are fixed at the tail end of the upper beam, and the lower ends of the seat pipes are fixed on the transverse five-way pipe 4; the tail end of the front beam 11 is fixed on the five-way pipe 4; the bracket 5 is L-shaped, the front end of the bracket is low, the rear end of the bracket is high, the bracket is obliquely and fixedly arranged between the front beam and the two seat tubes, and the battery box 6 is arranged on the bracket.

A stopper 51 at the front end of the bracket 5 is fixed to the front beam 11, and the bottom of the battery case abuts against the stopper.

The bracket 5 is provided with a support body 52, and two parallel linear slide rails 521 are arranged on the upper side of the support body 52; as shown in fig. 3 and 4, the battery box 6 has a groove 61 on the lower side, and the two sides of the groove 61 have concave slots 611; the slot 611 of the battery box is clamped into the slide rail 521 and is connected with the slide rail in a sliding way. A cross rod 31 is arranged between the two seat tubes 3, and the middle part of the support body 52 is welded and fixed on the cross rod; the slide rail is fixed on the support body through a screw.

As shown in fig. 5, a battery lock is arranged at the tail end of the slide rail, a lock cylinder is arranged in the battery lock, and a lock opening 522 of the battery lock is located at the side edge of the slide rail; the lock cylinder outlet 523 is located between the two slide rails 521. The lower side of the battery box is provided with a hook sheet 62, the battery box is fixed at the position of the support body, and the position of the lock cylinder outlet is matched with the position of a through hole 621 on the hook sheet. The key is inserted into the lock opening 522 and rotated in the forward or reverse direction, so as to drive the lock cylinder to extend or retract from the lock cylinder outlet 523. After the lock core stretches out lock core export 523, further stretch into the hook piece through-hole 621 of battery case, further fixed battery case and bracket, prevent to ride in-process battery case pine and take off.

Further, the electric bicycle frame further comprises a rear fork 7, the rear fork 7 is provided with a rear lower fork 71 and a rear upper fork 72, the front end of the rear lower fork is fixed on the bottom bracket 4, the front end of the rear upper fork is fixed on the seat tube 3, and the rear lower fork and the rear upper fork are connected at the tail part.

The number of the upper beams 12 is two, and the two upper beams are arranged at intervals in the middle and are connected in a crossed manner at the tail.

The rear part of the battery box 6 is provided with a handle 63 so as to be capable of easily putting in or taking out the battery box. The battery box is provided with a battery body.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an electric bicycle's battery case assembly structure, includes car roof beam (1), head tube (2), its characterized in that: the vehicle beam comprises a front beam (11) and an upper beam (12), the front beam is obliquely arranged, the front end of the front beam is fixed to the head pipe, the upper beam is horizontally arranged, and the front end of the upper beam is fixed to the head pipe; the two seat pipes (3) are arranged at intervals, the upper ends of the seat pipes are fixed at the tail end of the upper beam, and the lower ends of the seat pipes are fixed on the transverse five-way pipe (4); the tail end of the front beam is fixed on the five-way pipe; the bracket (5) is L-shaped, the front end of the bracket is low, the rear end of the bracket is high, the bracket is obliquely and fixedly arranged between the front beam and the two seat tubes, and the battery box (6) is arranged on the bracket.

2. The battery pack attachment structure for an electric bicycle according to claim 1, wherein: a baffle (51) at the front end of the bracket is fixed on the front beam, and the bottom of the battery box is abutted against the baffle.

3. The battery pack attachment structure for an electric bicycle according to claim 1, wherein: the bracket is provided with a support body (52), and two parallel slide rails (521) are arranged on the upper side of the support body; the lower side of the battery box is provided with a groove (61), and the two sides of the groove are provided with concave clamping grooves (611); the clamping groove of the battery box is clamped into the sliding rail and is in sliding connection.

4. A battery case assembling structure of an electric bicycle according to claim 3, wherein: a cross rod (31) is arranged between the two seat tubes, and the middle part of the support body is welded and fixed on the cross rod.

5. A battery case assembling structure of an electric bicycle according to claim 3, wherein: the tail end of the sliding rail is provided with a battery lock, a lock cylinder is arranged in the battery lock, and a lock opening (522) of the battery lock is positioned on the side edge of the sliding rail; the lock cylinder outlet (523) is positioned between the two slide rails.

6. The battery pack attachment structure for an electric bicycle according to claim 5, wherein: the lower side of the battery box is provided with a hook piece (62), the battery box is fixed at the position of the support body, and the position of the lock cylinder outlet is matched with the position of a through hole (621) on the hook piece.

7. A battery case fitting structure of an electric bicycle according to any one of claims 1 to 6, wherein: the rear fork (7) comprises a rear lower fork (71) and a rear upper fork (72), the front end of the rear lower fork is fixed on the five-way pipe, the front end of the rear upper fork is fixed on the seat pipe, and the rear lower fork and the rear upper fork are connected at the tail part.

8. A battery case fitting structure of an electric bicycle according to any one of claims 1 to 6, wherein: the upper beams are two, and the two upper beams are arranged at intervals in the middle and are connected in an intersection manner at the tail part.

9. A battery case fitting structure of an electric bicycle according to any one of claims 1 to 6, wherein: the tail part of the battery box is provided with a handle (63).