Electric bicycle built-in battery box crossbeam

Abstract

The utility model provides a kind of electric bicycle built-in battery box crossbeam, including tube body, battery box, cover plate, right lock frame and left lock frame;Battery box installation port is formed in the middle part of tube body;Left lock frame and right lock frame are respectively fixed in tube body and located at the left and right sides of battery box installation port;Main lock is installed on right lock frame;Main lock uses key mechanical lock or electronic lock;Battery box is installed in battery box installation port and is positioned by right lock frame and left lock frame;Cover plate is used to cover in battery box installation port position and is fixedly connected with battery box;The right end of battery box is equipped with the first lock groove matched with the first lock head of main lock;The right end of battery box is equipped with auxiliary lock;Handle connected with auxiliary lock is installed on cover plate;Handle is used to control the second lock head left and right movement of auxiliary lock;Second lock groove matched with second lock head is equipped on right lock frame;The design adopts main lock and auxiliary lock to carry out double protection, and auxiliary lock is integrated in one side of battery box, can effectively avoid the interference defect between handle and vehicle head when rotating vehicle head.

Description

Technical Field

[0001] This utility model relates to the technical field of electric bicycle components, and in particular to a crossbeam for an internal battery box in an electric bicycle. Background Technology

[0002] As the power supply component of electric bicycles, the battery box is currently usually integrated into the crossbeam and secured with a lock mechanism. The crossbeam contains a lock frame with a main lock and a secondary lock for double protection. The secondary lock is controlled by a handlebar. Since the lock frame is close to the front of the bicycle, the integrated handlebar can cause interference between the handlebar and the front of the bicycle during turning, affecting the performance. In addition, the previous method of locking the battery box from the outside to the inside with screws is prone to springback and wobbling when squeezed by the battery box, resulting in insufficient stability. Therefore, improvements are needed. Utility Model Content

[0003] The purpose of this utility model is to provide a crossbeam for the battery box inside an electric bicycle to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] An electric bicycle battery box crossbeam includes a tube body, a battery box, a cover plate, a right lock frame, and a left lock frame. The tube body has a battery box mounting opening formed in the middle. The left and right lock frames are fixed inside the tube body and located on the left and right sides of the battery box mounting opening, respectively. A main lock is mounted on the right lock frame. The main lock is a key-operated mechanical lock or an electronic lock. The battery box is installed inside the battery box mounting opening and positioned by the right and left lock frames. The cover plate is used to cover the battery box mounting opening and is fixedly connected to the battery box. The right end of the battery box has a first lock groove that mates with the first lock head of the main lock. A secondary lock is mounted on the right end of the battery box. A handle connected to the secondary lock is mounted on the cover plate. The handle is used to control the left and right movement of the second lock head of the secondary lock. The right lock frame has a second lock groove that mates with the second lock head.

[0006] In a further description of this utility model, the battery box mounting opening is arranged facing downwards; a support frame is fixed to the top of the tube body; when the battery box is inserted into the mounting opening, the top of the battery box abuts against the bottom of the support frame.

[0007] In a further description of this utility model, a right locking plate is installed at the right end of the support frame, and a left locking plate is installed at the left end; the right locking frame is locked to the tube body vertically by a first screw and to the right locking plate horizontally by a second screw; the left locking frame is locked to the tube body vertically by a third screw and to the left locking plate horizontally by a fourth screw.

[0008] As further described in this utility model, the cover plate is installed at the bottom of the battery box by a snap-fit.

[0009] In a further description of this utility model, the lock cylinder of the main lock is arranged facing rearward; the tube body is provided with a first clearance hole at the position corresponding to the lock cylinder.

[0010] In a further description of this utility model, a charging port is provided on the front side of the battery box; a second clearance hole is provided on the tube body at the position corresponding to the charging port; and a flip cover is installed at the second clearance hole.

[0011] The beneficial effects of this utility model are as follows:

[0012] 1. This design employs a dual protection method of main lock and auxiliary lock to secure the battery box within the tube, improving protection performance. The main lock uses a lock cylinder structure and is unlocked by a key, while the auxiliary lock is unlocked by turning the handlebar. Furthermore, the main structure of the auxiliary lock is integrated into the battery box, which further away the handlebar from the front of the vehicle, preventing interference between the handlebar and the front of the vehicle when turning it during riding.

[0013] 2. This design also integrates a support frame inside the tube. The left and right locking plates are installed at both ends of the support frame, providing a horizontal locking assembly position for the left and right locking frames. The locking frame is vertically locked to the tube body by screws and horizontally locked to the locking plate by screws, which improves the stability of the locking frame installation. Attached Figure Description

[0014] Figure 1 This is an overall structural diagram of the present invention;

[0015] Figure 2 This is an overall structural diagram of the present invention from the rear view direction;

[0016] Figure 3 This is a structural diagram of the battery box of this utility model after it has been removed from the tube.

[0017] Figure 4 This is a connection structure diagram of the battery box, cover plate, right lock frame, left lock frame and support frame of this utility model;

[0018] Figure 5 This is a structural diagram of the right locking frame of this utility model. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings:

[0020] like Figure 1-5As shown, an electric bicycle with a built-in battery box 2 crossbeam includes a tube body 1, a battery box 2, a cover plate 3, a right lock frame 4, and a left lock frame 5. The tube body 1 has a battery box mounting opening 11 formed in the middle. The left lock frame 5 and the right lock frame 4 are respectively fixed inside the tube body 1 and located on the left and right sides of the battery box mounting opening 11. A main lock 41 is installed on the right lock frame 4. The main lock 41 is a key-operated mechanical lock or an electronic lock. The battery box 2 is installed inside the battery box mounting opening 11 and positioned by the right lock frame 4 and the left lock frame 5. The cover plate 3 is used to cover the battery box mounting opening 11 and is fixedly connected to the battery box 2. The right end of the battery box 2 has a first lock groove 21 that mates with the first lock head 412 of the main lock 41. A secondary lock 22 is installed on the right end of the battery box 2. A lock plate 3 is installed on the cover plate 3 that connects to the secondary lock 22. The handle 31 is used to control the left and right movement of the second lock head 221 of the auxiliary lock 22; the right lock frame 4 is provided with a second lock groove 413 that cooperates with the second lock head 221; this design adopts a dual protection method of main lock 41 and auxiliary lock 22 to lock the battery box 2 inside the tube body 1, thereby improving the protection performance. The first lock head 412 of the main lock 41 is locked into the first lock groove 21 of the battery box 2 and is unlocked by inserting a key. The second lock head 221 of the auxiliary lock 22 is locked into the second lock groove 413 of the right lock frame 4 and is unlocked by rotating the handle 31. In addition, the main structure of the auxiliary lock 22 is integrated into the battery box 2, so that when it is assembled and used on an electric bicycle, the handle 31 is farther away from the front of the vehicle, avoiding interference between the handle 31 and the front of the vehicle when rotating the front of the vehicle during riding.

[0021] The battery box mounting port 11 is set downwards; a support frame 6 is fixed to the top inside the tube body 1. In this design, the support frame 6 is welded and fixed inside the tube body 1. Depending on the processing requirements, it can also be fixed by screws or by fastening or other methods. When the battery box 2 is inserted into the battery and the mounting port, the top of the battery box 2 abuts against the bottom of the support frame 6, which improves the stability of the battery box 2 after installation.

[0022] The support frame 6 has a right locking plate 61 installed at its right end and a left locking plate 62 installed at its left end. The right locking frame 4 is locked to the tube body 1 vertically by a first screw and to the right locking plate 61 horizontally by a second screw. The left locking frame 5 is locked to the tube body 1 vertically by a third screw and to the left locking plate 62 horizontally by a fourth screw. Both the left locking frame 5 and the right locking frame 4 are locked with screws in two different directions, one horizontal and one vertical, to avoid deformation due to compression and improve stability.

[0023] The cover plate 3 is installed at the bottom of the battery box 2 by a snap fastener. The battery box 2 has a snap groove that cooperates with the snap fastener. The snap fastener method ensures high connection stability.

[0024] In this design, the main lock 41 is a key mechanical lock; the lock cylinder 411 of the main lock 41 is arranged facing rearward; the tube body 1 is provided with a first clearance hole 12 at the position corresponding to the lock cylinder 411. The key mechanical lock structure is simple in technology, low in cost, and not easily affected by electromagnetic interference or power failure.

[0025] Depending on actual needs, the main lock 41 can also be an electronic lock. The electronic lock can integrate a motor drive or adopt an electromagnetic lock structure. Users can send wireless signals to the electronic lock through mobile APP (Bluetooth connection), NFC, password key, etc., to drive the first lock head 412 to achieve the unlocking and locking states. Electronic lock technology is currently quite mature and has the advantage of convenient unlocking, eliminating the need to carry a physical key.

[0026] The battery box 2 has a charging port on the front side; the tube 1 has a second clearance hole at the position corresponding to the charging port; a flip cover 13 is installed at the second clearance hole. When charging is required, the flip cover 13 is opened, and after charging is completed, the flip cover 13 is closed to provide protection.

[0027] The above description does not limit the technical scope of this invention. Any modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this invention shall still fall within the scope of the technical solution of this invention.

Claims

1. A crossbeam for a battery box concealed inside an electric bicycle, characterized in that: The device includes a tube body, a battery compartment, a cover plate, a right lock frame, and a left lock frame. A battery compartment mounting opening is formed in the middle of the tube body. The left and right lock frames are fixed inside the tube body and located on the left and right sides of the battery compartment mounting opening, respectively. A main lock is mounted on the right lock frame. The main lock is a key-operated mechanical lock or an electronic lock. The battery compartment is installed inside the battery compartment mounting opening and positioned by the right and left lock frames. The cover plate is used to cover the battery compartment mounting opening and is fixedly connected to the battery compartment. The right end of the battery compartment has a first lock groove that mates with the first lock head of the main lock. A secondary lock is mounted on the right end of the battery compartment. A handle connected to the secondary lock is mounted on the cover plate. The handle is used to control the left and right movement of the second lock head of the secondary lock. The right lock frame has a second lock groove that mates with the second lock head.

2. The crossbeam for a battery box concealed inside an electric bicycle according to claim 1, characterized in that: The battery box mounting opening is positioned downwards; a support frame is fixed to the top of the tube; when the battery box is inserted into the mounting opening, the top of the battery box abuts against the bottom of the support frame.

3. The crossbeam for a battery box concealed inside an electric bicycle according to claim 2, characterized in that: The support frame is equipped with a right locking plate at the right end and a left locking plate at the left end; the right locking frame is locked to the tube body vertically by a first screw and to the right locking plate horizontally by a second screw; the left locking frame is locked to the tube body vertically by a third screw and to the left locking plate horizontally by a fourth screw.

4. The crossbeam for a battery box concealed inside an electric bicycle according to claim 2, characterized in that: The cover is installed at the bottom of the battery box by snap-fit.

5. The crossbeam for a battery box concealed inside an electric bicycle according to claim 1, characterized in that: The main lock is a key-operated mechanical lock; the lock cylinder of the main lock is positioned rearward; and the tube body has a first clearance hole at the position corresponding to the lock cylinder.

6. The crossbeam for a battery box concealed inside an electric bicycle according to claim 1, characterized in that: The battery box has a charging port on the front side; a second clearance hole is provided on the tube body at the position corresponding to the charging port; a flip cover is installed at the second clearance hole.

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