Two-way lock for battery box assembly of electric power-assisted bicycle

Abstract

The utility model discloses a secondary lock for a battery box assembly of an electric power-assisted bicycle, which relates to the technical field of electric bicycles and comprises a battery pipe fitting arranged on the electric bicycle and the battery box assembly arranged in the battery pipe fitting, and a primary lock assembly used for primary locking of the battery box assembly is further arranged in the battery pipe fitting. The secondary lock assembly is used for secondary locking of the battery box assembly and comprises a secondary lock fixing seat, a secondary lock bolt, a secondary lock bolt mounting through hole and a secondary lock push rod, the size of the secondary lock fixing seat is matched with the size of the inner wall of the battery pipe fitting, the secondary lock bolt mounting through hole is formed in the secondary lock fixing seat, and the secondary lock push rod is arranged in the secondary lock bolt mounting through hole. The tongue tail end of the double-lock spring bolt extends into the double-lock spring bolt mounting through hole, and the tongue head end of the double-lock spring bolt is clamped in a groove in the battery box assembly. According to the utility model, the primary lock assembly and the secondary lock assembly are arranged, the battery box assembly cannot fall onto the ground after the primary lock is opened, and the secondary lock assembly is designed to be opened and closed up and down, so that the operation logic is better met.

Description

Technical Field

[0001] The utility model relates to the technical field of electric bicycles, in particular to a two-way lock for a battery box assembly of an electric power-assisted bicycle. Background Art

[0002] An electric power-assisted bicycle is a means of transportation that uses electricity as its main power source. It is widely seen in the streets and alleys due to its small size and flexible steering. Currently, all electric power-assisted bicycles on the market need to have their own battery pack to provide a power source for the electric power-assisted bicycle, and the battery pack is installed in the downtube of the bicycle. The locks used for the built-in batteries in the downtube of existing electric power-assisted bicycles can be divided into two types, one is a mechanical lock and the other is a spring lock. This application mainly studies the mechanical lock. When the battery pack needs to be removed for charging, after the mechanical key lock is opened, the battery pack is easy to fall to the ground without interference, thereby increasing the battery safety risk.

[0003] Therefore, how to solve the deficiencies in the above-mentioned prior art has become a topic to be studied and solved in this application. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a two-way lock for a battery box assembly of an electric power-assisted bicycle.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A two-way lock for a battery box assembly of an electric power-assisted bicycle, comprising a battery tube arranged on the electric bicycle and a battery box assembly arranged inside the battery tube, wherein a first lock assembly for locking the battery box assembly once and a second lock assembly for locking the battery box assembly twice are also arranged inside the battery tube; the second lock assembly comprises a second lock fixing seat, a second lock tongue, a second lock tongue mounting through hole and a second lock push rod;

[0007] The size of the second lock fixing seat is adapted to the inner wall size of the battery tube, the second lock tongue mounting through hole is provided on the second lock fixing seat, the tongue tail end of the second lock tongue extends into the second lock tongue mounting through hole, and the tongue end of the second lock tongue is clamped in the groove on the battery box assembly; a first mounting hole is provided on the hole wall of the second lock tongue mounting through hole, and a second mounting hole is provided on the second lock tongue, and the second lock push rod passes through the first mounting hole and the second mounting hole in sequence from the outside of the battery tube to connect the second lock fixing seat and the second lock tongue.

[0008] Furthermore, the two-way lock assembly also includes a two-way lock spring and a spring placement piece, the spring placement piece is installed on the side of the two-way lock fixing seat away from the battery box assembly, one end of the two-way lock spring is fixed to the tongue tail end of the two-way lock tongue, and the other end extends into the spring placement piece; the two-way lock tongue presses the two-way lock spring against the inner wall of the spring placement piece.

[0009] Furthermore, a third mounting hole is provided on the spring mounting member, and the second lock push rod passes through the third mounting hole.

[0010] Furthermore, a mounting groove is provided on the lock tongue of the second lock, and a mounting block matching the shape of the mounting groove is provided on the rod wall of the second lock push rod, and the mounting block is clamped in the mounting groove.

[0011] Furthermore, a spline is provided on one end of the second lock push rod located outside the battery tube, and a second lock knob is installed on the spline.

[0012] Furthermore, the tongue end of the double lock tongue is a sloped structure, and the groove forms a slope that can conflict with the tongue end surface of the double lock tongue.

[0013] Furthermore, the first lock assembly includes a first lock fixing seat and a lock core, the first lock fixing seat is connected to the battery box assembly, the first lock fixing seat is provided with a first lock installation through hole, the tongue end of the second lock tongue passes through the first lock installation through hole and is clamped on the battery box assembly; the lock core is installed on the first lock fixing seat, and the lock core is used in conjunction with the battery box assembly.

[0014] Furthermore, the second lock fixing seat is fixed on a side of the first lock fixing seat away from the battery box assembly.

[0015] Furthermore, the second mounting hole is a waist-shaped mounting hole.

[0016] Furthermore, a lower fixing assembly for fixing is provided at one end of the battery box assembly away from the first lock assembly and the second lock assembly.

[0017] Compared with the prior art, the advantages of the utility model are: by setting a first lock assembly and a second lock assembly, when the battery box assembly in the battery tube needs to be taken out for charging, the battery box assembly will not fall to the ground after opening the first lock, and the second lock assembly is designed to open and close up and down, which is more in line with the operation logic and more convenient. By adding the second lock spring, the discomfort caused by the placement shaking is reduced, the damping is increased, and the opening and closing feel is more comfortable. The utility model adopts non-metallic materials, which is light in weight, ensures strength, and can also improve processing and manufacturing efficiency and reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Attached Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0020] Attached Figure 2 It is a schematic diagram of an exploded view of an embodiment of the utility model.

[0021] Reference numerals and component descriptions in the drawings:

[0022] 1. Battery tube; 2. Battery box assembly; 3. One lock assembly; 31. One lock fixing seat; 32. Lock core; 33. One lock mounting hole; 4. Two lock assembly; 41. Two lock fixing seat; 42. Two lock tongue; 421. Second mounting hole; 422. Mounting groove; 43. Two lock tongue mounting hole; 431. First mounting hole; 44. Two lock push rod; 441. Mounting block; 442. Two lock knob; 45. Two lock spring; 46. Spring placement piece; 461. Third mounting hole; 5. Lower fixing assembly. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be clearly and completely described below through specific implementation methods. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See attached Figure 1 and attached Figure 2 As shown, the present application discloses a two-way lock for a battery box assembly of an electric power-assisted bicycle, comprising a battery tube 1 arranged on the electric bicycle, a battery box assembly 2 being installed inside the battery tube 1, a first lock assembly 3 and a second lock assembly 4 being arranged inside the battery tube 1 for locking the battery box assembly 2, the first lock assembly 3 locking the battery box assembly 2 once, the second lock assembly 4 locking the battery box assembly twice, the first lock assembly 3 and the second lock assembly 4 being able to be used in conjunction with each other. Among them, the first lock assembly 3 comprises a first lock fixing seat 31 and a lock core 32, see attached Figure 1It can be seen that a lock fixing seat 31 is installed inside the battery tube 1 and is located at the upper end of the battery box assembly 2. The shape of the lock fixing seat 31 is adapted to the shape of the upper end of the battery box assembly 2, and the lock core 32 is installed on the side of the lock fixing seat 31 away from the battery box assembly 2. A lock core through hole for passing a lock core is provided on the lock fixing seat 31, thereby locking the battery box assembly 2 once. The control knob on the lock core 32 of the lock extends from the shell wall of the battery tube 1, and the lock is opened and locked by controlling the control knob on the lock core 32.

[0025] The two-way lock assembly 4 includes a two-way lock fixing seat 41, a two-way lock tongue 42, a two-way lock tongue installation through hole 43, a two-way lock push rod 44, a two-way lock spring 45 and a spring placement member 46. The two-way lock fixing seat 41 is arranged on the side of the one-way lock fixing seat 31 away from the battery box assembly 2. The two-way lock fixing seat 41 is fixedly connected to the one-way lock fixing seat 31. At the same time, the sizes of the one-way lock fixing seat 31 and the two-way lock fixing seat 41 are both adapted to the inner wall size of the battery tube 1, so that the one-way lock fixing seat 31 and the two-way lock fixing seat 41 can be installed inside the battery tube 1. The two-way lock fixing seat 41 is provided with a two-way lock tongue installation through hole 43 in the direction of the one-way lock fixing seat 31. The tongue tail end of the two-way lock tongue 42 extends into the two-way lock tongue installation through hole 43. The tongue end of the two-way lock tongue 42 passes through the one-way lock installation through hole 33 provided on the one-way lock fixing seat 31, so as to be clamped in the corresponding groove on the battery box assembly 2. The spring placement member 46 is installed on the side of the second lock fixing seat 41 away from the first lock fixing seat 31. One end of the second lock spring 45 is fixed to the tongue tail end of the second lock tongue 42, and the other end extends into the spring placement member 46. The second lock tongue 42 can press the second lock spring 45 onto the inner wall of the spring placement member 46. The battery tube 1 is provided with a tube through hole 11, the hole wall of the second lock tongue installation through hole 43 is provided with a first installation hole 431, the second lock tongue 42 is provided with a second installation hole 421, and the spring placement member 46 is provided with a third installation hole 461. The second lock push rod 44 passes through the tube through hole 11, the first installation hole 431, the third installation hole 461 and the second installation hole 421 from the outside of the battery tube 1. One end of the second lock push rod 44 located outside the battery tube 1 is connected to the second lock knob 442 through a spline. The second lock knob 442 drives the second lock push rod 44 left and right through the spline to make the second lock tongue 42 move backward. The second lock tongue 43 is provided with a mounting groove 422. The rod wall of the second lock push rod 44 is provided with a mounting block 441 that matches the shape of the mounting groove 422, and the mounting block 441 can be clamped in the mounting groove 422.

[0026] When the battery box assembly 2 needs to be removed from the battery tube 1, the first lock assembly 3 is opened, the battery box assembly 2 will be disengaged from the battery tube 1, the battery box assembly 2 moves outward, and the tongue end of the second lock tongue 42 is stuck in the corresponding groove on the battery box assembly 2 to achieve the second lock fixation, thereby preventing the battery box assembly 2 from falling, and then twist the second lock knob 442 on the second lock push rod 44, the second lock knob 442 drives the installation block 441 on the second lock push rod 44 through the spline, and pushes the installation groove 422 left and right, so that the second lock tongue 42 retreats backward, so that the second lock tongue 42 exits the groove, thereby removing the battery box assembly 2 from the battery tube 1. The second lock spring 45 at the tongue tail end of the second lock tongue 42 can make the second lock tongue 42 complete a disassembly action. When the battery box assembly 2 needs to be installed into the battery tube 1, it is only necessary to push the battery box assembly 2 directly in to achieve the locking action. Since the second lock and the first lock are equipped with springs, there is an inclined surface on the second lock tongue 42. The battery box assembly 2 can press the inclined surface to make the second lock tongue 42 retreat and automatically reset to achieve the fixation of the battery box assembly 2. The operation of this application is more user-friendly, just like the right-hand side gearshift of a new energy vehicle, which can be operated with one hand, convenient and precise. The structure of this application is made of non-metallic materials, which is light in weight and ensures strength while also improving processing and manufacturing efficiency and reducing costs. By adding the second lock spring 45, the discomfort caused by the placement and shaking is reduced, and the damping is increased to make the opening and closing feel more comfortable.

[0027] For better, see the attached Figure 2 As shown, in this embodiment, the tongue end of the double lock tongue 42 is a sloped structure, and the groove of the battery box assembly 2 forms a slope that can conflict with the tongue end surface of the double lock tongue 42.

[0028] For better, see the attached Figure 2 As shown, in this embodiment, the second mounting hole 421 is a waist-shaped mounting hole.

[0029] The above description of the disclosed embodiments enables professionals in the field to implement or use the utility model. Various modifications to these embodiments will be apparent to professionals in the field, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features disclosed herein.

Claims

1. A two-way lock for a battery box assembly of an electric power-assisted bicycle, characterized in that: The invention comprises a battery tube (1) arranged on an electric bicycle and a battery box assembly (2) arranged inside the battery tube (1); a first lock assembly (3) for primary locking of the battery box assembly (2) and a second lock assembly (4) for secondary locking of the battery box assembly (2) are also arranged inside the battery tube (1); the second lock assembly (4) comprises a second lock fixing seat (41), a second lock tongue (42), a second lock tongue mounting through hole (43) and a second lock push rod (44); The size of the second-lock fixing seat (41) is adapted to the size of the inner wall of the battery tube (1); the second-lock bolt mounting through hole (43) is provided on the second-lock fixing seat (41); the tongue tail end of the second-lock bolt (42) extends into the second-lock bolt mounting through hole (43); the tongue end of the second-lock bolt (42) is clamped in a groove on the battery box assembly (2); a first mounting hole (431) is provided on the hole wall of the second-lock bolt mounting through hole (43); a second mounting hole (421) is provided on the second-lock bolt (42); the second-lock push rod (44) passes through the first mounting hole (431) and the second mounting hole (421) from the outside of the battery tube (1) in sequence to connect the second-lock fixing seat (41) and the second-lock bolt (42).

2. The two-way lock of the battery box assembly of an electric power-assisted bicycle according to claim 1, characterized in that: The two-way lock assembly (4) further comprises a two-way lock spring (45) and a spring placement member (46); the spring placement member (46) is mounted on a side of the two-way lock fixing seat (41) away from the battery box assembly (2); one end of the two-way lock spring (45) is fixed to the tongue tail end of the two-way lock tongue (42), and the other end extends into the spring placement member (46); the two-way lock tongue (42) presses the two-way lock spring (45) against the inner wall of the spring placement member (46).

3. The two-way lock of the battery box assembly of an electric power-assisted bicycle according to claim 2, characterized in that: The spring placement member (46) is provided with a third mounting hole (461), and the second lock push rod (44) passes through the third mounting hole (461).

4. The two-way lock of the battery box assembly of an electric power-assisted bicycle according to claim 1, characterized in that: The second-stage lock tongue (42) is provided with a mounting groove (422), and the rod wall of the second-stage lock push rod (44) is provided with a mounting block (441) whose shape matches that of the mounting groove (422), and the mounting block (441) is clamped in the mounting groove (422).

5. The two-way lock of the battery box assembly of an electric power-assisted bicycle according to claim 1, characterized in that: A spline is provided on one end of the second-lock push rod (44) located outside the battery tube (1), and a second-lock knob (442) is installed on the spline.

6. The two-way lock of the battery box assembly of an electric power-assisted bicycle according to claim 1, characterized in that: The tongue end of the double-lock tongue (42) is a sloped structure, and the groove forms a slope that can collide with the tongue end surface of the double-lock tongue (42).

7. The two-way lock of the battery box assembly of an electric power-assisted bicycle according to claim 1, characterized in that: The first lock assembly (3) comprises a first lock fixing seat (31) and a lock core (32); the first lock fixing seat (31) is connected to the battery box assembly (2); a first lock mounting through hole (33) is provided on the first lock fixing seat (31); the tongue end of the second lock tongue (42) passes through the first lock mounting through hole (33) and is fixed on the battery box assembly (2); the lock core (32) is installed on the first lock fixing seat (31); the lock core (32) is used in conjunction with the battery box assembly (2).

8. The two-way lock of the battery box assembly of an electric power-assisted bicycle according to claim 7, characterized in that: The second lock fixing seat (41) is fixed to a side of the first lock fixing seat (31) away from the battery box assembly (2).

9. The two-way lock of the battery box assembly of an electric power-assisted bicycle according to claim 1, characterized in that: The second mounting hole (421) is a waist-shaped mounting hole.

10. The two-way lock of the battery box assembly of an electric power-assisted bicycle according to claim 1, characterized in that: One end of the battery box assembly (2) away from the first lock assembly (3) and the second lock assembly (4) is also provided with a lower fixing assembly (5) for fixing.

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