CN203434217U

CN203434217U - Battery box

Info

Publication number: CN203434217U
Application number: CN201320301525.XU
Authority: CN
Inventors: 李文杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-29
Filing date: 2013-05-29
Publication date: 2014-02-12
Anticipated expiration: 2023-05-29

Abstract

The utility model discloses a battery box comprising a box body, a lower shell arranged at the bottom of the box body, a bottom cover covered on the lower shell, an upper shell arranged at the top of the battery box, and a top cover covered on the upper shell, wherein the box body is an annular cylinder which is formed integrally; a plurality of raised supporting strips are arranged from the upper end face to the downwards extended lower end face of the inner wall of the box body, and spacing grooves are formed among the raised supporting strips; the jointed surface of the lower shell and the box body upwards extends to form a plurality of convex blocks A, a circle of annular groove is formed at the outer edges of the convex blocks A on the jointed surface, and the convex blocks A are matched with the spacing grooves; the jointed surface of the upper shell and the box body extends downwards to form a plurality of convex blocks B, a circle of annular groove is formed at the outer edges of the convex blocks B on the jointed surface, and the convex blocks B are matched with the spacing grooves. The battery box plays a good water leakage preventing role for a battery in the battery box, and is convenient to take and place.

Description

Battery case

Technical field

The utility model relates to a kind of battery case, relates to more specifically a kind of safe seamless battery case.

Background technology

Electric bicycle is being played the part of important role in people's life, to people, has brought life style efficiently.Existing electric bicycle generally comprises gearshift, speed change system and battery, battery is placed in battery case, battery case comprises box body, some also has a bottom mating with electric motor car, box body is divided into left and right box body, left and right box body by mould die sinking out, place therein battery display on one and then at surrounding end, along placing sealing ring or other obturators, second half installation is combined, finally by screw or other securing member, fix; This kind of battery case in use, due to long-term wind and weather, the tightness between left box body and right box body can weaken, and causes infiltration phenomenon, the serious useful life that jeopardizes battery in battery case, and sealing effectiveness is not good in more shallow ponding, easily by water, is infiltrated.

Summary of the invention

The utility model will solve the easily technical problem of water inlet of existing battery case.

The technical scheme in the invention for solving the above technical problem is:

The utility model discloses a kind of battery case, comprise by box body, be arranged on box body bottom lower casing, cover the bottom on lower casing, be arranged on the upper casing at battery case top and the top cover that covers on upper casing forms, it is characterized in that: the circular cylinder that described box body is formed in one; In the upper surface of inboard wall of cartridge, extend downward lower surface and be provided with some support raised lines, between described support raised line, form interval trough; The binding face of described lower casing and box body extends upward some projection A, and is provided with a ring annular groove in the outer of its binding face upper protruding block A, and described projection A and interval trough match; The binding face of described upper casing and box body extends some projection B downwards, and is provided with a ring annular groove in the outer of its binding face upper protruding block B, and described projection B and interval trough match; In the annular groove of described upper casing, lower casing, be provided with the endless metal silk matching with it.

Compare with existing battery case, box body of the present utility model is one-body molded, and be provided with some support raised lines at inboard wall of cartridge, and with box body splice mutually upper, lower casing is provided with the projection matching with the interval trough that supports raised line formation, this projection support is at inboard wall of cartridge, the box body of distortion is had to the effect of a support, and make the box body can be with upper, the perfect splicing of lower casing and battery case surfaces are indeformable, outward appearance perfection has overcome the recessed flat technical barrier in normal condition lower open die back box surface, also the idea that makes those skilled in the art disdain for this kind of Integral design is corrected.

Described box body cross section is round rectangle.

One of described bottom, lower casing, box body, upper casing and top cover has "T"-shaped groove compared with the plane at minor face place, by "T"-shaped groove, whole battery case is fastened on the clamp matching with "T"-shaped groove.

Compare with existing battery case, battery case of the present utility model, by "T"-shaped groove, becomes convenient to the loading and unloading of battery case.

On described clamp, near top cover one end, be provided with fixing hole.

The side of described top cover is provided with power input mouth and lockhole, in its relative another side, is provided with output port of power source.

The top cover inside that lockhole is corresponding is provided with fixing lock, has through hole corresponding with a locking bar, and match with the fixing hole on clamp on top cover.

Compare with existing battery case, battery case of the present utility model is provided with fixing lock on top cover, can, by battery-box locks on the fixing hole of clamp, play antitheft effect.

Described top cover both sides cave inward and are provided with handle.

Compare with existing battery case, handle of the present utility model is mobile battery box easily.

Described top cover is provided with power supply indicator.

Accompanying drawing explanation

Fig. 1 is the stereogram of the utility model battery case;

Fig. 2 is the three-dimensional exploded view at a visual angle of the utility model battery case;

Fig. 3 is the three-dimensional exploded view at another visual angle of the utility model battery case;

Fig. 4 is the cross section view of the box body of the utility model battery case.

Description of reference numerals in figure:

1 is box body; 11 for supporting raised line;

2 is lower casing; 21 is projection A;

22 is lower casing annular groove; 3 is upper casing;

31 is projection B; 32 is upper casing annular groove;

4 is bottom; 5 is top cover;

51 is output port of power source; 52 is lockhole;

53 is power input mouth; 54 is power supply indicator;

6 is handle; 7 is clamp;

71 is fixing hole; 8 is "T"-shaped groove.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:

Refer to Fig. 1 to Fig. 4, the utility model discloses a kind of battery case, comprises by box body 1, be arranged on box body 1 bottom lower casing 2, cover the bottom 4 on lower casing 2, be arranged on the upper casing 3 at battery case top and cover top cover on upper casing 35 and form; The circular cylinder that described box body 1 is formed in one; In the upper surface of box body 1 inwall, extend downward lower surface and be provided with some support raised lines 11, between described support raised line 11, form interval trough; Described lower casing 2 extends upward some projection A21 with the binding face of box body 1, and is provided with a ring annular groove 22 in the outer of its binding face upper protruding block A21, and described projection A21 and interval trough match; Described upper casing 3 extends some projection B31 downwards with the binding face of box body 1, and is provided with a ring annular groove 32 in the outer of its binding face upper protruding block B31, and described projection B31 and interval trough match; In the annular groove of described upper casing 3, lower casing 2, be provided with the endless metal silk matching with it.

Described box body 1 cross section is round rectangle.

One of described bottom 4, lower casing 2, box body 1, upper casing 3 and top cover 5 has "T"-shaped groove 8 compared with the plane at minor face place, by "T"-shaped groove 8, whole battery case is fastened on the clamp 7 matching with "T"-shaped groove 8.

On described clamp 7, near top cover one end, be provided with fixing hole 71.

The side of described top cover 5 is provided with power input mouth 53 and lockhole 52, in its relative another side, is provided with output port of power source 51.

Top cover 5 inside of described lockhole 52 correspondences are provided with fixing lock, have through hole, and match with the fixing hole 71 on clamp 7 on top cover 5 corresponding to locking bar.

Described top cover 5 both sides cave inward and are provided with handle 6.

Described top cover 5 is provided with power supply indicator 54.

The assemble method of battery case, as follows:

Step 1, first by mould die sinking, go out inwall with supporting the box body 1 of raised line 11, with upper casing 3, lower casing 2 with supporting projection B31, projection A21 that interval trough that raised line 11 forms matches;

Step 2, in the annular groove of upper casing 3 and lower casing 2, insert endless metal silk;

Step 3, interval trough that the projection B31 that the upper casing 3 of endless metal silk is housed is formed with support bar 11 in box body 1 are corresponding and be connected together one by one, corresponding and be connected together one by one by the projection A21 of lower casing 2 of endless metal silk and the interval trough of support raised line 11 formation in box body 1 are housed; The box body 1 that projection A21, B31 have caved in distortion supports and comes, and reaches perfect laminating with upper casing 3, lower casing 2;

Step 4, by Suppression of High-frequency Welding Devices, upper casing 3, box body 1 and lower casing 2 are welded together.

During use, "T"-shaped groove on battery case 8 is aimed to the clamp 7 being welded on electric bicycle and inserts, then by key, by battery-box locks on clamp 7, then the input lead on bicycle is connected to the power output end 51 on battery case, can provide power supply to electric bicycle; If desired change the battery pack in battery case, only need open top cover 5, pull out battery pack, can change battery pack, safeguard.

The battery case above the utility model embodiment being provided is described in detail, applied specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand the technical scheme that the utility model discloses; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.

Claims

1. battery case, comprises by box body, be arranged on box body bottom lower casing, cover the bottom on lower casing, be arranged on the upper casing at battery case top and the top cover that covers on upper casing forms, it is characterized in that: the circular cylinder that described box body is formed in one; In the upper surface of inboard wall of cartridge, extend downward lower surface and be provided with some support raised lines, between described support raised line, form interval trough; The binding face of described lower casing and box body extends upward some projection A, and is provided with a ring annular groove in the outer of its binding face upper protruding block A, and described projection A and interval trough match; The binding face of described upper casing and box body extends some projection B downwards, and is provided with a ring annular groove in the outer of its binding face upper protruding block B, and described projection B and interval trough match; In the annular groove of described upper casing, lower casing, be provided with the endless metal silk matching with it.

2. battery case according to claim 1, is characterized in that: described box body cross section is round rectangle.

3. battery case according to claim 1, it is characterized in that: one of described bottom, lower casing, box body, upper casing and top cover has "T"-shaped groove compared with the plane at minor face place, by "T"-shaped groove, whole battery case is fastened on the clamp matching with "T"-shaped groove.

4. battery case according to claim 3, is characterized in that: on described clamp, near top cover one end, be provided with fixing hole.

5. battery case according to claim 3, is characterized in that: the side of described top cover is provided with power input mouth and lockhole, in its relative another side, is provided with output port of power source.

6. according to the battery case described in claim 3 or 4 or 5, it is characterized in that: the top cover inside that lockhole is corresponding is provided with fixing lock, has through hole corresponding with a locking bar, and match with the fixing hole on clamp on top cover.

7. battery case according to claim 1, is characterized in that: described top cover both sides cave inward and are provided with handle.

8. battery case according to claim 1, is characterized in that: described top cover is provided with power supply indicator.