Locking device of battery box

Abstract

The utility model discloses a locking device of a battery box, which comprises a pin seat and a pin body arranged on the pin seat, a locking hole is arranged on the outer circumferential surface of the pin body, a through opening is arranged on the circumferential side of the pin body, an accommodating space is arranged in the pin body, a pressing block is arranged in the accommodating space, and the pressing block is arranged in the pin seat. A locking pin is arranged in the middle of the pressing block, and the locking pin is arranged in the locking hole; at least part of one end of the pressing block extends out of the penetrating opening, and the other end of the pressing block is driven by a driving assembly to swing. The battery box turnover device has the advantages that the design is ingenious, when the driving assembly moves up and down, the pressing block can rotate around the locking pin, the other end of the pressing block presses or releases the battery box, operation is easy and convenient, turnover is stable and reliable, meanwhile, disassembly, replacement and maintenance are convenient, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and in particular to a locking device for a battery box. Background Art

[0002] An electric vehicle (BEV) is a vehicle that uses an onboard power source as its motive force, uses an electric motor to drive the wheels, and complies with all requirements of road traffic and safety regulations. As its impact on the environment is relatively small compared to traditional vehicles, its prospects are widely optimistic. my country is vigorously developing the electric vehicle industry, and users' anxiety about driving range has always been a difficult problem to overcome. The use of battery quick-change technology can, on the one hand, meet customers' requirements for driving range, and on the other hand, solve the charging time anxiety of operating users. In the prior art, there are a variety of battery replacement methods or snap-on locking methods, but all of them have defects. For example, the quick-change method using bolts to tighten has defects in service life, and the snap-on locking method has defects in vibration and noise.

[0003] For example, patent number CN201910565366 discloses a locking device for a battery assembly, including a locking device body for rotating and locking the battery assembly; the locking device body includes a locking shaft, a locking pin, a limiting shell, and a limiting member; a rotating groove is provided on the side wall of the locking shaft in the limiting shell; a first notch is provided on the side of the rotating groove close to the rotating power assembly; the limiting portion of the limiting member enters and exits the rotating groove through the first notch; the limiting portion moves between the first notch and the rotating groove, and when the limiting portion contacts the first notch, the locking shaft is locked; when the limiting portion is located in the rotating groove, the locking shaft can rotate so that the locking pin unlocks or locks the battery assembly. In this scheme, the limiting member is prone to wear and jamming during cooperation with other structural parts, resulting in structural function failure and shortened service life. Utility Model Content

[0004] The utility model aims to overcome the deficiencies in the prior art and provide a locking device for a battery box.

[0005] The purpose of the utility model is achieved through the following technical solutions:

[0006] A locking device for a battery box comprises a pin seat and a pin body arranged thereon, wherein a locking hole is provided on the outer circumferential surface of the pin body, a through opening is provided on the circumferential side of the pin body, an accommodating space is provided in the pin body, a pressing block is built in the accommodating space, a locking pin can be inserted into the middle of the pressing block, and the locking pin is placed in the locking hole; one end of the pressing block at least partially extends outside the through opening, and the other end is driven by a driving component to swing.

[0007] Preferably, the driving assembly at least includes a bearing fixedly mounted on the pin body, a transmission screw is pivotally mounted on the bearing, a transmission screw is mounted on the transmission screw, a transmission plate which is driven by the screw, a latch is fixedly mounted on the transmission plate, a waist-shaped hole is formed on the pressing block, the latch is placed in the waist-shaped hole, and can slide in the waist-shaped hole.

[0008] Preferably, a drive motor is fixedly disposed on the pin seat, and a motor shaft of the drive motor is connected to the transmission screw.

[0009] Preferably, a spring is sleeved on the transmission screw rod, one end of the spring abuts against the bearing, and the other end of the spring abuts against the transmission disc.

[0010] Preferably, a pin head is fixedly provided on the pin body, and the pin head is conical.

[0011] Preferably, an observation hole is provided on the pin head.

[0012] Preferably, the through opening is axially opened on the pin body, and three through openings are provided on the pin body.

[0013] The beneficial effects of the utility model are mainly reflected in:

[0014] 1. The design is exquisite. When the driving assembly moves up and down, the pressing block can rotate around the locking pin, and the other end of the pressing block presses or releases the battery box. The operation is simple and convenient, and the flipping is stable and reliable. At the same time, it is easy to disassemble, replace and repair, which greatly improves work efficiency.

[0015] 2. The pin head can guide the battery box, making it easier to install and position the battery box. In addition, an observation hole is provided on the pin head, through which the device can be easily inspected, thereby improving safety. In addition, the weight of the device is reduced, achieving lightweight, reducing costs, and facilitating mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The technical solution of the utility model is further described below in conjunction with the accompanying drawings:

[0017] Figure 1 : A three-dimensional diagram of a preferred embodiment of the utility model;

[0018] Figure 2 : A three-dimensional diagram of a preferred embodiment of the utility model, in which the pin body and the pin head are removed;

[0019] Figure 3 : A schematic structural diagram of a pressing block in a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments are not limited to the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0021] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0022] like Figures 1 to 3 As shown, the utility model discloses a locking device for a battery box, including a pin seat 1 and a pin body 2 arranged thereon, a locking hole 21 is opened on the outer circumferential surface of the pin body 2, and a through opening 22 is opened on the circumferential side of the pin body 2. In the preferred embodiment, the through opening 22 is axially opened on the pin body 2, and three through openings 22 are opened on the pin body 2. Of course, the opening position of the through opening 22 can also be set at other positions on the pin body 2, and can be adjusted accordingly according to actual needs, which all belong to the protection scope of the utility model and will not be elaborated here.

[0023] The pin body 2 has a receiving space, and a pressing block 3 is built in the receiving space. A locking pin 31 can be inserted in the middle of the pressing block 3. The locking pin 31 is placed in the locking hole 21. One end of the pressing block 3 at least partially extends outside the through opening 22, and the other end is driven by the driving component 4 to swing. When the driving component 4 moves up and down, the pressing block 3 can rotate around the locking pin 31, and the other end of the pressing block 3 presses or releases the battery box. The operation is simple and convenient, and the flipping is stable and reliable. At the same time, it is easy to disassemble, replace and repair, which greatly improves work efficiency.

[0024] The driving assembly 4 at least includes a bearing 41 fixed on the pin body 2, a transmission screw 42 is pivotally provided on the bearing 41, a driving motor 45 is fixedly provided on the pin seat 1, and the motor shaft of the driving motor 45 is connected to the transmission screw 42. The transmission screw 42 is provided with a transmission disk 43 with a screw drive, and a latch 44 is fixedly provided on the transmission disk 43. A waist-shaped hole 32 is provided on the pressing block 3, and the latch 44 is placed in the waist-shaped hole 32 and can slide in the waist-shaped hole 32. This preferred embodiment preferably adopts screw drive, which utilizes the characteristics of high transmission precision and stable transmission of screw drive. Preferably, a spring 46 is sleeved on the transmission screw 42, one end of the spring 46 abuts against the bearing 41, and the other end abuts against the transmission disk 43.

[0025] In this preferred embodiment, a pin head 5 is fixedly provided on the pin body 2, and the pin head 5 is conical, and the pin head 5 can guide the battery box, so as to facilitate the installation and positioning of the battery box. In addition, an observation hole 51 is provided on the pin head 5, through which the device can be easily inspected, thereby improving safety, and also reducing the weight of the device, achieving lightweight, reducing costs, and facilitating mass production.

[0026] It should be understood that although this specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation mode may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0027] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the utility model. They are not intended to limit the protection scope of the utility model. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A locking device for a battery box, comprising a pin seat (1) and a pin body (2) arranged thereon, characterized in that: A locking hole (21) is provided on the outer circumferential surface of the pin body (2), a through opening (22) is provided on the circumferential side of the pin body (2), a receiving space is provided inside the pin body (2), a pressing block (3) is provided inside the receiving space, a locking pin (31) can be inserted into the middle of the pressing block (3), and the locking pin (31) is disposed in the locking hole (21); one end of the pressing block (3) at least partially extends outside the through opening (22), and the other end is driven by a driving assembly (4) to swing.

2. The locking device for the battery box according to claim 1, characterized in that: The driving assembly (4) at least comprises a bearing (41) fixedly mounted on the pin body (2); a transmission screw (42) is pivotally mounted on the bearing (41); a transmission plate (43) is mounted on the transmission screw (42) and is driven by the screw; a latch (44) is fixedly mounted on the transmission plate (43); a waist-shaped hole (32) is formed on the pressing block (3); the latch (44) is disposed in the waist-shaped hole (32) and is slidable in the waist-shaped hole (32).

3. The locking device for the battery box according to claim 2, characterized in that: A drive motor (45) is fixedly disposed on the pin seat (1), and a motor shaft of the drive motor (45) is connected to the transmission screw rod (42).

4. The locking device for the battery box according to claim 2, characterized in that: A spring (46) is sleeved on the transmission screw rod (42); one end of the spring (46) abuts against the bearing (41), and the other end abuts against the transmission plate (43).

5. The locking device for the battery box according to claim 4, characterized in that: A pin head (5) is fixedly provided on the pin body (2), and the pin head (5) is in a conical shape.

6. The locking device for the battery box according to claim 5, characterized in that: The pin head (5) is provided with an observation hole (51).

7. The locking device for a battery box according to any one of claims 1 to 6, characterized in that: The through opening (22) is axially opened on the pin body (2), and three through openings (22) are opened on the pin body (2).

Images