Battery locking and opening device

Abstract

The utility model relates to a battery locking and opening device which comprises a battery bin, a battery buckle, a battery lock and two ejector pin guide wheel assemblies, each ejector pin guide wheel assembly comprises a support, an ejector pin assembly and a guide wheel assembly, each support is provided with an ejector pin connecting part and a guide wheel connecting part, each ejector pin connecting part is provided with an ejector pin cavity in the axial direction, and each guide wheel assembly is provided with a guide wheel. The ejector pin assembly comprises an ejector pin and an ejector pin pin, the ejector pin is arranged in an ejector pin cavity, a spring is arranged between the bottom end of the ejector pin and the bottom of the ejector pin cavity, a pin hole is formed in the lower portion of the ejector pin, the ejector pin pin is arranged in the pin hole, and a guide wheel containing groove is formed in the guide wheel connecting part. Guide wheel shaft connecting parts are formed on the two sides of the guide wheel containing groove, the guide wheel assembly comprises a guide wheel and a guide wheel shaft, the guide wheel shaft is connected to the guide wheel shaft connecting parts, the guide wheel is arranged on the guide wheel shaft in a sleeving mode through a bearing, and according to the battery locking and unlocking device, the battery is convenient to disassemble, assemble and lock, high in reliability and long in service life.

Description

Technical Field

[0001] This utility model relates to the field of electric scooter technology, and in particular to a battery locking and unlocking device. Background Technology

[0002] With the development of society and technology, electric vehicles are becoming increasingly popular, such as electric scooters and electric bicycles. The batteries in these vehicles need to be removed frequently for charging and replacement, which places high demands on the reliability and convenience of battery removal and locking.

[0003] In the existing technology, the batteries of such vehicles are mostly placed in the battery compartment, which is covered by a separate cover. The locking and opening devices of the cover and the battery compartment are mostly a single pair of male and female latches without corresponding buffer devices. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes a battery locking and unlocking device that is convenient to install and remove, highly reliable, and has a long service life.

[0005] This utility model is achieved through the following technical solution: a battery locking and unlocking device, designed for the structure of an electric scooter where the battery and cover are connected together, including a battery compartment, a battery buckle, and a battery lock. The battery buckle is fixedly connected to the battery, and the battery lock is disposed in the battery compartment and corresponds to the battery buckle.

[0006] To facilitate battery removal and prevent direct collision between the battery and the battery compartment and related internal components, thereby improving the service life of each component, the battery locking and unlocking device also includes two sets of ejector pin and guide wheel assemblies. These two sets of ejector pin and guide wheel assemblies are located within the battery compartment and on both sides of the battery lock. Each ejector pin and guide wheel assembly includes a support, an ejector pin assembly, and a guide wheel assembly. The support has an ejector pin connecting portion and a guide wheel connecting portion. The ejector pin connecting portion has an axially formed ejector pin cavity and a radially extending limit groove. The ejector pin assembly provides support and cushioning during battery ejection or insertion, and includes an ejector pin and an ejector pin pin. The ejector pin is located within the ejector pin cavity and can move up and down within it. A spring is provided between the bottom end of the ejector pin and the bottom of the ejector pin cavity. A pin hole is radially extending through the lower part of the ejector pin, and the pin pin is located within the pin hole with both ends positioned in the corresponding limit grooves. The pin pin can move up and down with the ejector pin within the limit grooves. The guide wheel connecting part has a guide wheel placement groove, and guide wheel shaft connecting parts are formed on both sides of the guide wheel placement groove. The guide wheel assembly is used to guide and assist in supporting the battery during ejection or pressing. It includes a guide wheel and a guide wheel shaft. The guide wheel shaft is connected to the guide wheel shaft connecting part, and the guide wheel is sleeved on the guide wheel shaft through a bearing and is located in the guide wheel placement groove.

[0007] To ensure smooth bearing rotation and prevent jamming, the guide wheel assembly also includes two bushings, which are sleeved on the guide wheel shaft and respectively located on both sides of the bearing.

[0008] Preferably, the bushing is made of plastic, but other materials may be used depending on the actual situation.

[0009] To prevent the guide wheel shaft from rotating and moving axially, one end of the guide wheel shaft has a limiting boss, and the other end has a retaining ring groove. One end of the guide wheel shaft is limited to one side of the guide wheel connection part by the limiting boss, and the other end is limited to the other side of the guide wheel connection part by the retaining ring groove in cooperation with the retaining ring. The outer diameter surface of the guide wheel shaft is knurled.

[0010] Preferably, the guide wheel is made of plastic and the ejector pin is made of steel. However, other materials can also be used for the guide wheel and ejector pin depending on the actual situation.

[0011] The beneficial effects of this utility model are as follows: The battery locking and unlocking device, through the design of a battery buckle connected to the battery and used in conjunction with a battery lock located inside the battery compartment, achieves rapid opening and locking of the battery, improving the convenience of battery replacement; the design of the ejector pin assembly and guide wheel assembly provides support and guidance for the battery ejection and retraction process, greatly improving the stability of the process and extending the service life of each contact component; the optimized structure of the ejector pin assembly and guide wheel assembly further ensures the convenience and smoothness of the battery locking process; in addition, this battery locking and unlocking device has a simple structure and is easy to use. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the application scenario structure of the battery locking and unlocking device of this utility model;

[0013] Figure 2 This is a schematic diagram of the battery locking and unlocking device of this utility model (battery clip omitted);

[0014] Figure 3 This is a partial enlarged view of one side of the battery locking and unlocking device of this utility model (with hidden guide wheel);

[0015] In the diagram: 1. Battery compartment; 2. Battery clip; 3. Battery lock; 4. Ejector pin guide wheel assembly; 41. Support; 411. Ejector pin connection; 4111. Ejector pin cavity; 4112. Limiting groove; 412. Guide wheel connection; 4121. Guide wheel placement groove; 4122. Guide wheel shaft connection; 42. Ejector pin assembly; 421. Ejector pin; 4211. Pin hole; 422. Ejector pin pin; 423. Spring; 43. Guide wheel assembly; 431. Guide wheel; 432. Guide wheel shaft; 4321. Limiting boss; 4322. Snap ring groove; 433. Bearing; 434. Bushing; 435. Snap ring; 9. Battery. Detailed Implementation

[0016] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0017] like Figure 1-3 The battery locking and unlocking device shown includes a battery compartment 1, a battery buckle 2, a battery lock 3, and two sets of ejector pin guide wheel assemblies 4. The battery buckle 2 is fixedly connected to a battery 9. The battery lock 3 is disposed in the battery compartment 1 and corresponds to the battery buckle 2. The two sets of ejector pin guide wheel assemblies 4 are disposed in the battery compartment 1 and located on both sides of the battery lock 3.

[0018] The ejector pin and guide wheel assembly 4 includes a support 41, an ejector pin assembly 42, and a guide wheel assembly 43. The support 41 has an ejector pin connecting part 411 and a guide wheel connecting part 412.

[0019] The ejector pin connecting part 411 has an ejector pin cavity 4111 along the axial direction. The ejector pin connecting part 411 has a limiting groove 4112 that extends radially through it. The ejector pin assembly 42 includes an ejector pin 421 and an ejector pin 422. The ejector pin 421 is disposed in the ejector pin cavity 4111 and can move up and down in the ejector pin cavity 4111. A spring 423 is provided between the bottom end of the ejector pin 421 and the bottom of the ejector pin cavity 4111. A pin hole 4211 extends radially through the lower part of the ejector pin 421. The ejector pin 422 is disposed in the pin hole 4211 and its two ends are disposed in the limiting groove 4112 on the corresponding sides. The ejector pin 422 can move up and down with the ejector pin 421 in the limiting groove 4112.

[0020] The guide wheel connecting part 412 has a guide wheel placement groove 4121, and guide wheel shaft connecting parts 4122 are formed on both sides of the guide wheel placement groove 4121. The guide wheel assembly 43 includes a guide wheel 431, a guide wheel shaft 432, and two bushings 434. The guide wheel shaft 432 is connected to the guide wheel shaft connecting part 4122. One end of the guide wheel shaft 432 has a limiting boss 4321, and the other end has a retaining ring groove 4322. One end of the guide wheel shaft 432 passes through the limiting boss. The platform 4321 is located on one side of the guide wheel connecting part 412, and the other end is used to be located on the other side of the guide wheel connecting part 412 through the snap ring groove 4322 and the snap ring 435. The outer diameter surface of the guide wheel shaft 432 is provided with knurling. The guide wheel 431 is sleeved on the guide wheel shaft 432 through the bearing 433 and is located in the guide wheel placement groove 4121. Two bushings 434 are sleeved on the guide wheel shaft 432 and are respectively located on both sides of the bearing 433.

[0021] The guide wheel 431 and bushing 434 are made of plastic, and the ejector pin 421 is made of steel.

[0022] The working principle of the battery locking and unlocking device is as follows: When the battery needs to be replaced, the electronic lock is opened by the vehicle's electronic button. The battery clip 2 and the battery lock 3 disengage. The ejector pin 421 pops upward under the action of the spring 423, pushing out the battery 9. The guide wheel 431 plays a supporting and guiding role during the process of pushing out the battery 9, assisting the battery 9 to pop out, reducing shaking, and ensuring that the battery can be popped out smoothly. Then, the battery 9 is removed. When the battery needs to be reinstalled, simply insert the battery 9 back into the corresponding slot of the battery cover, press down on the battery cover and battery assembly. At this time, the ejector pin 421 can support the battery well under the action of the spring 423, playing a buffering role. The guide wheel 431 plays a supporting and guiding role until the battery clip 2 is engaged in the battery lock 3, thus conveniently locking the battery 9.

[0023] In the description of this utility model, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "side", "end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] Furthermore, in the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "set up," "equipped with," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0025] Finally, it should be noted that the above embodiments are merely specific implementations of this utility model, used to illustrate the technical solution of this utility model, and not to limit it. The protection scope of this utility model is not limited thereto. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features, within the technical scope disclosed in this utility model. These modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A battery locking and unlocking device, characterized in that: The system includes a battery compartment, a battery clip, a battery lock, and two sets of ejector pin guide wheel assemblies. The battery clip is fixedly connected to the battery. The battery lock is located inside the battery compartment and corresponds to the battery clip. The two sets of ejector pin guide wheel assemblies are located inside the battery compartment and on both sides of the battery lock. Each ejector pin guide wheel assembly includes a support, an ejector pin assembly, and a guide wheel assembly. The support has an ejector pin connecting part and a guide wheel connecting part. The ejector pin connecting part has an ejector pin cavity along the axial direction and a limit groove through the ejector pin connecting part along the radial direction. The ejector pin assembly includes an ejector pin and an ejector pin pin. The ejector pin is located inside the ejector pin cavity and... The device can move up and down within the ejector pin cavity. A spring is provided between the bottom end of the ejector pin and the bottom of the ejector pin cavity. A pin hole is radially opened in the lower part of the ejector pin. The ejector pin is set in the pin hole and its two ends are set in the corresponding limiting grooves. The ejector pin can move up and down with the ejector pin in the limiting grooves. A guide wheel connecting part is provided with a guide wheel placement groove. Guide wheel shaft connecting parts are formed on both sides of the guide wheel placement groove. The guide wheel assembly includes a guide wheel and a guide wheel shaft. The guide wheel shaft is connected to the guide wheel shaft connecting part. The guide wheel is sleeved on the guide wheel shaft through a bearing and is set in the guide wheel placement groove.

2. The battery locking and unlocking device according to claim 1, characterized in that: The guide wheel assembly also includes two bushings, which are sleeved on the guide wheel shaft and respectively located on both sides of the bearing.

3. The battery locking and unlocking device according to claim 2, characterized in that: The bushing is made of plastic.

4. The battery locking and unlocking device according to claim 1, characterized in that: One end of the guide wheel shaft has a limiting boss, and the other end has a retaining ring groove. One end of the guide wheel shaft is limited to one side of the guide wheel connection part by the limiting boss, and the other end is limited to the other side of the guide wheel connection part by the retaining ring groove in cooperation with the retaining ring. The outer diameter surface of the guide wheel shaft is knurled.

5. The battery locking and unlocking device according to claim 1, characterized in that: The guide wheel is made of plastic, and the ejector pin is made of steel.

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