CN217353934U

CN217353934U - Double locking structure for battery box of electric bicycle

Info

Publication number: CN217353934U
Application number: CN202220770315.4U
Authority: CN
Inventors: 叶显团
Original assignee: Kunshan Youdadian Intelligent Technology Co ltd
Current assignee: Kunshan Youdadian Intelligent Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-09-02
Anticipated expiration: 2032-04-01

Abstract

The utility model provides a battery box double locking structure of an electric bicycle, which comprises an end cover arranged at one end of a battery box, a locking component arranged at one end of the end cover and arranged in a frame tube body, wherein the battery box is arranged in a mounting groove arranged at one side of the frame tube body; the locking assembly comprises an installation shell, a battery box lock is arranged in the installation shell, and a corresponding locking groove is formed in one side of the end cover; a limit lock is arranged in the end cover, and a corresponding limit groove is arranged on one side of the mounting shell; the front end of the spring bolt of the limit lock is arranged in an oblique opening, the middle part of the spring bolt is inwards provided with a groove, and a buffer middle spring bolt which is rotationally connected with the spring bolt is arranged in the groove. The utility model discloses a battery box lock and locked groove and spacing lock and spacing groove's twice locking, can lock the battery case in the car frame body reliably, the tongue in the buffering on the spacing lock spring bolt contacts the installation shell earlier and takes place to rotate when the locking, drives the spring bolt and inwards contracts in advance, can reduce the impact that the spring bolt received, prolongs the life of spacing lock.

Description

Double locking structure for battery box of electric bicycle

Technical Field

The utility model belongs to the technical field of electric bicycle, specifically be an electric bicycle battery case double locking structure.

Background

The electric bicycle is a mechatronic personal transportation tool which takes a storage battery as an auxiliary energy source and is provided with an electric motor, a controller, the storage battery, a rotating handle and other operating components and a display instrument system on the basis of a common bicycle.

Electric bicycle's battery setting is in the battery box, and in order to put in order succinctly pleasing to the eye of car outward appearance, the battery box can be set up in electric bicycle's a section of pipe to with the body coupling locking, the locking passes through battery box lock and spacing lock dual locking, keeps the locking reliable, current spacing lock, and when battery box locking, its spring bolt and installation shell contact, the impact force of receiving is great, influences the life of spacing lock.

Disclosure of Invention

The utility model provides an electric bicycle battery case double-locking structure, the locking is reliable, the impact on the spacing spring bolt when locking.

The utility model is realized in such a way, the electric bicycle battery box double locking structure comprises an end cover arranged at one end of the battery box, a locking component arranged at one end of the end cover and arranged inside a frame tube body, wherein the battery box is arranged in a mounting groove arranged at one side of the frame tube body; the locking assembly comprises an installation shell, a battery box lock is arranged in the installation shell, a lock catch of the battery box lock can extend out of or retract into the installation shell along the direction towards the end cover, and a lock groove corresponding to the lock catch is formed in one side, close to the lock catch, of the end cover; the end cover is internally provided with a limiting lock, the limiting lock comprises a lock body arranged in the end cover, a spring bolt is elastically and telescopically arranged in the lock body, the spring bolt is driven to stretch and retract by a bolt inserted into the lock body and can extend out of or retract into the end cover along the direction towards the mounting shell, and one side of the mounting shell, which is close to the spring bolt, is provided with a limiting groove corresponding to the spring bolt; the front end of the lock bolt is provided with an oblique opening, the middle part of the lock bolt is inwards provided with a groove, a buffering middle bolt rotationally connected with the lock bolt is arranged in the groove, and the rotation of the buffering middle bolt can drive the lock bolt to retract into the lock body.

Preferably, the battery box lock is located below the limit lock.

Preferably, the lower parts of the two side faces, close to the end cover, of the mounting shell are inclined planes inclined towards the end cover.

Preferably, the lock catch of the battery box lock extends out of or retracts into the inclined plane on the mounting shell, and the telescopic direction is perpendicular to the inclined plane.

Preferably, the upper parts of the two side faces, close to the mounting shell and the end cover, are vertical planes.

Preferably, the lock tongue of the limit lock can extend out of or retract into the plane on the end cover, and the telescopic direction is perpendicular to the plane.

Preferably, an elastic plunger facing the end cover inclined plane is arranged on the inclined plane of the mounting shell, and an elastic telescopic part of the elastic plunger can abut against the inclined plane of the end cover.

Preferably, the bottom end of the bolt extends into the lock body, the top end of the bolt is connected with a rotary table, the bottom of the rotary table is rotatably connected with the battery box, and the top of the rotary table is exposed out of the battery box.

Preferably, the top surface of the rotating disc is provided with an identification symbol for displaying the unlocking rotation direction.

Preferably, the top of the rotating disc is connected with a protruding rotary handle.

The beneficial effects of the utility model are that:

the utility model discloses a battery box lock and locked groove and spacing lock and spacing groove's twice locking, can lock the battery case in the car frame body reliably, the tongue in the buffering on the spacing lock spring bolt contacts the installation shell earlier and takes place to rotate when the locking, drives the spring bolt and inwards contracts in advance, can reduce the impact that the spring bolt received, prolongs the life of spacing lock.

Drawings

Fig. 1 is an exploded view of a dual locking structure of a battery box of an electric bicycle according to the present invention;

fig. 2 is a schematic view of another explosion structure of a battery box double-locking structure of an electric bicycle according to the present invention;

FIG. 3 is a schematic view of the structure of the middle position-limiting lock, the latch, the rotary plate and the rotary handle of the present invention;

fig. 4 is an exploded view of the battery case and the frame tube according to the present invention;

fig. 5 is a schematic front view of a dual locking structure of a battery box of an electric bicycle according to the present invention;

in the figure: 1. a battery case; 2. an end cap; 21. locking the groove; 22. a limiting lock; 221. a lock body; 222. a latch bolt; 2221. a groove; 223. a bolt; 224. a middle buffering tongue; 225. a turntable; 2251. an identification symbol; 226. Turning a handle; 3. a frame tube body; 31. mounting grooves; 4. a locking assembly; 41. mounting a shell; 42. a battery box lock; 43. an elastic plunger; 44. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present embodiment provides a battery box double-locking structure for an electric bicycle, including an end cap 2 installed at one end of a battery box 1, and a locking component 4 located at one end of the end cap 2 and installed inside a frame tube 3, wherein the battery box 1 is installed in an installation groove 31 formed at one side of the frame tube 3, and the battery box 1 can be locked in the frame tube 3 by the cooperation of the end cap 2 and the locking component 4;

locking subassembly 4 includes installation shell 41, be provided with battery box lock 42 in the installation shell 41, battery box lock 42's hasp can be followed the direction towards end cover 2 and stretched out or retract installation shell 41, one side that end cover 2 is close to the hasp is provided with the locked groove 21 that corresponds with the hasp, battery box lock 42 is current standard component, generally be L shape, it is flexible at the hasp of L shape other end to insert the key and pivoted mode through L shape one end, the hasp stretches into locked groove 21, can lock battery case 1 position, the hasp withdraws from locked groove 21, battery case 1 can follow and takes out in frame body 3.

Be provided with spacing lock 22 in the end cover 2, spacing lock 22 structure and patent CN201621003075.6, a prevent lock bolt deformation's lock is similar, including setting up the lock body 221 in end cover 2, the elastic expansion is provided with spring bolt 222 in the lock body 221, spring bolt 222 is by inserting the drive of bolt 223 setting in lock body 221 and stretch out and draw back, can stretch out or retract end cover 2 along the direction towards installation shell 41, one side that installation shell 41 is close to spring bolt 222 is provided with the spacing groove 44 that corresponds with spring bolt 222, spring bolt 222 stretches into spacing groove 44, carry out the secondary locking to battery case 1 position, spring bolt 222 withdraws from spacing groove 44, battery case 1 can be followed and taken out in frame body 3.

The front end of the lock tongue 222 is arranged in an oblique opening, the middle of the lock tongue 222 is inwards provided with a groove 2221, a buffering middle tongue 224 which is rotatably connected with the lock tongue 222 is arranged in the groove 2221, the buffering middle tongue 224 rotates to drive the lock tongue 222 to contract towards the inside of the lock body 221, in the actual working process, the buffering middle tongue 224 firstly contacts with the mounting shell 41 and rotates to the inside of the groove 2221, and meanwhile, the lock tongue 222 is driven to contract inwards in advance, so that the impact force on the lock tongue 222 is reduced, and the service life of the limit lock 22 is effectively prolonged.

In the present embodiment, the battery box lock 42 is positioned below the limit lock 22, and the battery box lock 42 is vertically fixed in the frame tube 3.

Specifically, the lower portions of the two side faces, close to the end cover 2, of the mounting shell 41 are inclined planes inclined towards the end cover 2, the lock catch of the battery box lock 42 extends out of or retracts into the inclined plane on the mounting shell 41, and the telescopic direction is perpendicular to the inclined plane; the upper parts of the two side surfaces of the mounting shell 41, which are close to the end cover 2, are vertical planes, the bolt 222 of the limit lock 22 can extend out of or retract into the planes on the end cover 2, and the extension direction is perpendicular to the planes.

Furthermore, the inclined surface of the mounting case 41 is provided with an elastic plunger 43 facing the inclined surface of the end cap 2, an elastic expansion part of the elastic plunger 43 can abut against the inclined surface of the end cap 2, the elastic plunger 43 can expand a gap existing when the battery box 1 and the frame tube body 3 are locked, and the battery box 1 is not easy to shake relative to the frame tube body 3.

The bottom of bolt 223 stretches into in the lock body 221, and the top is connected with carousel 225, and carousel 225 rotates in the bottom and connects battery case 1, and battery case 1 is exposed at the top, and carousel 225 rotates, can drive bolt 223 and rotate to it is flexible to drive spring bolt 222, and carousel 225 top surface is provided with the sign 2251 that the sign unblanked the rotation direction, and the rotation direction when the personnel of being convenient for confirm the switch lock, carousel 225 top are connected with convex swing handle 226, and personnel rotate carousel 225 through swing handle 226.

The utility model discloses, through the twice locking of battery box lock 42 and locked groove 21 and spacing lock 22 and spacing groove 44, can fix battery box lock 42 in frame body 3 reliably, tongue 224 in the buffering on the 22 spring bolt 222 of spacing lock touches earlier installation shell 41 when the locking and takes place to rotate, drives spring bolt 222 inwards shrink in advance, can reduce the impact that spring bolt 222 received, prolongs the life of spacing lock 22.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A battery box double-locking structure of an electric bicycle is characterized by comprising an end cover (2) arranged at one end of a battery box (1), a locking component (4) positioned at one end of the end cover (2) and arranged inside a frame tube body (3), wherein the battery box (1) is arranged in a mounting groove (31) formed in one side of the frame tube body (3);

the locking assembly (4) comprises an installation shell (41), a battery box lock (42) is arranged in the installation shell (41), a lock catch of the battery box lock (42) can extend out of or retract into the installation shell (41) along the direction towards the end cover (2), and a lock groove (21) corresponding to the lock catch is formed in one side, close to the lock catch, of the end cover (2);

a limiting lock (22) is arranged in the end cover (2), the limiting lock (22) comprises a lock body (221) arranged in the end cover (2), a bolt (222) is elastically and telescopically arranged in the lock body (221), the bolt (222) is driven by a bolt (223) inserted into the lock body (221) to stretch and retract, and can extend out of or retract into the end cover (2) along the direction towards the installation shell (41), and a limiting groove (44) corresponding to the bolt (222) is arranged on one side, close to the bolt (222), of the installation shell (41);

the front end of the lock tongue (222) is arranged in an inclined opening, a groove (2221) is formed in the middle of the lock tongue (222) inwards, a buffering middle tongue (224) rotatably connected with the lock tongue (222) is arranged in the groove (2221), and the buffering middle tongue (224) can drive the lock tongue (222) to retract into the lock body (221) through rotation.

2. A battery pack double locking structure for electric bicycle according to claim 1, wherein said battery pack lock (42) is located below said limit lock (22).

3. The battery box double locking structure of the electric bicycle as claimed in claim 2, wherein the mounting shell (41) and the end cap (2) are inclined surfaces inclined toward the end cap (2) below the two adjacent side surfaces.

4. The battery pack double locking structure for the electric bicycle according to claim 3, wherein the lock catch of the battery pack lock (42) extends out of or retracts into the inclined surface of the mounting case (41), and the extension direction is perpendicular to the inclined surface.

5. A battery box double locking structure for electric bicycle according to any one of claims 2-4, characterized in that the top of the two adjacent sides of the mounting shell (41) and the end cap (2) is a vertical plane.

6. The battery box double-locking structure of the electric bicycle as claimed in claim 5, wherein the locking tongue (222) of the limit lock (22) can extend out or retract into the plane on the end cover (2), and the extension direction is perpendicular to the plane.

7. A battery pack double locking structure for electric bicycle according to claim 3, characterized in that the inclined surface of the mounting shell (41) is provided with an elastic plunger (43) facing the inclined surface of the end cap (2), and the elastic extension part of the elastic plunger (43) can abut against the inclined surface of the end cap (2).

8. The battery box double-locking structure of the electric bicycle as claimed in claim 1, wherein the bottom end of the bolt (223) extends into the lock body (221), the top end is connected with a rotating disc (225), the bottom of the rotating disc (225) is rotatably connected with the battery box (1), and the top of the rotating disc is exposed out of the battery box (1).

9. The battery pack double locking structure for the electric bicycle as claimed in claim 8, wherein the dial (225) is provided at its top surface with a logo (2251) showing the unlocking rotation direction.

10. The battery box double locking structure of the electric bicycle as claimed in claim 8, wherein a protruding rotary handle (226) is connected to the top of the rotary disc (225).