Locking mechanism, frame and vehicle

By using a locking mechanism consisting of an electric push rod and a push-pull rod, along with a frame ramp design, the problems of long operation time and complex structure of rotary fastening locking mechanisms are solved. This enables rapid locking and unlocking of the battery, improving battery swapping efficiency and reducing maintenance costs.

CN223735878UActive Publication Date: 2025-12-30QINGDAO UNITED NEW ENERGY AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202520108872.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-12-30
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Existing rotary locking mechanisms require long operation times and high alignment accuracy when locking the battery, which affects battery swapping efficiency and increases maintenance costs due to their complex structure.

Method used

The locking mechanism consists of an electric push rod and a push-pull rod. The electric push rod drives the push-pull rod to move, thereby realizing the rotation and extension of the locking block, simplifying the locking operation. The bottom of the frame is open and has a ramp structure to facilitate the entry and exit of the battery.

Benefits of technology

The battery locking and unlocking operation can be completed in one step, significantly shortening the battery swapping time, improving battery swapping efficiency, simplifying the structure and reducing maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a locking mechanism, a frame and a vehicle. The locking mechanism comprises an electric push rod, a push-pull rod and a locking part, the output end of the electric push rod is connected with the push-pull rod; the locking part comprises a mounting block and a clamping block; the clamping block is rotatably arranged on the mounting block through a first connecting column; a first sliding groove is formed in the push-pull rod in the output direction of the electric push rod, and the first connecting column is arranged in the first sliding groove in a penetrating mode. The push-pull rod is connected with a second connecting column; a second sliding groove is formed in the clamping block, and the second connecting column is arranged in the second sliding groove in a penetrating mode. The locking mechanism is simple, the battery can be locked, fixed, loosened and released only through one-step operation, the battery replacement time is remarkably shortened, and the battery replacement efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of electric vehicle battery swapping technology, and in particular to a locking mechanism, a frame, and a vehicle. Background Technology

[0002] With the increasing popularity of electric vehicles, battery swapping has gradually become an important energy replenishment method due to its speed and convenience. Most existing battery swapping vehicles use a bottom battery frame to secure the battery. Replacing the battery requires releasing a locking mechanism (such as a nut) to separate the battery from the frame before the replacement can be performed. This design has the following problems:

[0003] Low battery swapping efficiency: The use of rotating locking mechanisms such as nuts results in a long operation time and high alignment accuracy requirements when releasing the battery, which affects the battery swapping efficiency.

[0004] Complex structure: The complex structure of locking mechanisms such as nuts and other rotary fastening mechanisms increases maintenance costs and failure rate.

[0005] Therefore, developing a simpler, more efficient, and more flexible battery locking mechanism and frame is of great significance for improving the reliability and user experience of battery swapping vehicles. Utility Model Content

[0006] The purpose of this invention is to provide a locking mechanism, a frame, and a vehicle to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following solution:

[0008] A locking mechanism includes an electric actuator, a push-pull rod, and a locking part;

[0009] The output end of the electric actuator is connected to the push-pull rod;

[0010] The locking part includes a mounting block and a locking block;

[0011] The card block is rotatably mounted on the mounting block via the first connecting post;

[0012] The push-pull rod has a first groove along the output direction of the electric push rod, and the first connecting post passes through the first groove;

[0013] A second connecting post is connected to the push-pull rod;

[0014] The card block has a second sliding groove, and the second connecting post passes through the second sliding groove.

[0015] This utility model also provides a frame, the bottom of which is open, and two opposite side walls of the frame are provided with internal cavities;

[0016] The aforementioned locking mechanisms are respectively arranged in the two inner cavities;

[0017] An opening is provided on each of the two opposite surfaces of the sidewalls, and the position of the opening corresponds to the position of the locking block.

[0018] Furthermore, the bottom opening of the frame has a ramp structure.

[0019] This utility model also provides a vehicle, including the frame described above.

[0020] As can be seen from the above technical solution, compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] The locking mechanism of this utility model is simple, and only one operation is needed to lock and release the battery, which significantly shortens the battery swapping time and improves the battery swapping efficiency. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the locking mechanism in Embodiment 1 of this utility model;

[0024] Figure 2 for Figure 1 A magnified view of part A in the image;

[0025] Figure 3 This is a schematic diagram illustrating the cooperation between the mounting block and the locking block in an embodiment of this utility model;

[0026] Figure 4 This is a schematic diagram (I) of the frame structure in Embodiment 2 of this utility model;

[0027] Figure 5 This is a schematic diagram of the internal structure of the side wall of the frame in Embodiment 2 of this utility model;

[0028] Figure 6 This is a schematic diagram (II) of the frame structure in Embodiment 2 of this utility model;

[0029] Figure 7 This is a schematic diagram of the locking mechanism in Embodiment 2 of this utility model;

[0030] Figure 8 This is a schematic diagram (III) of the frame structure in Embodiment 2 of this utility model.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1. Locking mechanism; 11. Electric push rod; 12. Push-pull rod; 13. Locking part; 131. Mounting block; 132. Locking block; 14. First connecting post; 15. Second connecting post; 16. First slide groove; 17. Second slide groove; 2. Frame; 21. Opening; 3. Guide block. Detailed Implementation

[0033] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0034] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 application 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 application.

[0035] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0036] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" 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 between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0037] To better understand the purpose, structure, and function of this utility model, a more detailed description of this utility model is provided below with reference to the accompanying drawings.

[0038] Example 1

[0039] See Figure 1-3 As shown, this embodiment provides a locking mechanism, including an electric push rod 11, a push-pull rod 12, and a locking part 13;

[0040] The output end of the electric actuator 11 is connected to the push-pull rod 12, and the push-pull rod 12 is connected to the locking part 13.

[0041] The locking part 13 includes a mounting block 131 and a locking block 132;

[0042] The locking block 132 is rotatably mounted on the mounting block 131 via the first connecting post 14;

[0043] A first groove 16 is provided on the push-pull rod 12 along the output direction of the electric push rod 11, and a first connecting post 14 passes through the first groove 16.

[0044] The push-pull rod 12 is connected to a second connecting post 15;

[0045] The card block 132 has a second sliding groove 17, and the second connecting post 15 passes through the second sliding groove 17.

[0046] Specifically, see Figure 3 As shown, the locking block 132 has a bent structure, which can also be called a "V" shape. The first connecting post 14 is connected to the center of the locking block 132. The second sliding groove 17 is opened along its own length on the half of the locking block 132 near the push-pull rod 12. With this configuration, when the electric push rod 11 drives the push-pull rod 12 to move, due to the sliding engagement relationship between the first sliding groove 16 and the first connecting post 14, not only is the movement of the push-pull rod 12 guided, but the rotation of the locking block 132 is not affected. Furthermore, through the sliding engagement relationship between the second sliding groove 17 and the second connecting post 15, when the push-pull rod 12 drives the second connecting post 15 to move within the second sliding groove 17, the second connecting post 15 can push the locking block 132 to rotate around the first connecting post 14, thereby extending or retracting part of the locking block 132.

[0047] Example 2

[0048] See Figure 4-6 As shown, this embodiment provides a frame 2, the bottom of the frame 2 is open, and the two opposite side walls of the frame 2 are provided with internal cavities;

[0049] The locking mechanism 1 provided in Embodiment 1 is respectively installed in the two inner cavities;

[0050] An opening 21 is provided on the opposite surfaces of the two side walls, and the position of the opening 21 corresponds to the position of the locking block 132.

[0051] Specifically, when the locking block 132 rotates under the action of the push-pull rod 12, the other part of the locking block 132 without the second sliding groove 17 can extend out of the inner cavity from the opening 21. Figure 6In the extended state (i.e., extending to the outside of the side wall), when the battery enters the frame 2 from the bottom, the extended locking block 132 can lock the battery in place by engaging the groove on the side wall. Conversely, the locking block 132 retracts into the inner cavity. Figure 4 Once the battery is no longer stuck in the groove on the side wall, it can be released.

[0052] Specifically, an opening 21 can be provided on each of the two side walls. These two openings 21 are arranged diagonally, which can realize the snap-fit ​​of the groove on the diagonal of the battery, and achieve the locking and fixing of the battery with the least amount of structure.

[0053] Specifically, the mounting block 131 is connected to the inner cavity of the frame and located at the opening 21. The electric push rod 12 is fixed to the frame 2 to realize the conversion of the locking mechanism 1.

[0054] Alternatively, two openings 21 can be provided on opposite surfaces of both side walls. In this case, each locking mechanism 1 would need two locking parts 13. (See reference...) Figure 7 As shown, locking parts 13 can be provided at both ends of the push-pull rod 12, and the electric push rod 11 can be connected to the middle position of the push-pull rod 12. In this way, one electric push rod 11 can work with one push-pull rod 12 to realize the operation of two sets of locking parts 13, that is, to realize the simultaneous extension or retraction of the locking blocks 132 at both ends. In this way, the battery can be locked at four positions, that is, there are two locking points on both ends of the battery sidewalls. Compared with only one locking point at both ends of the battery, the locking is more stable and the structure is simplified.

[0055] Specifically, the bottom opening of frame 2 has a ramp structure, which facilitates the entry of the battery into the frame 2 and has the effect of guiding the battery in.

[0056] See Figure 8 As shown, the ramp structure consists of several guide blocks 3 arranged at the bottom of the opposite surfaces of two opposite side walls on the frame 2. The opposite surfaces of the guide blocks 3 on opposite sides are all inclined surfaces that expand outward from the bottom to the top of the guide blocks.

[0057] Example 3

[0058] This embodiment provides a vehicle, specifically, a vehicle on which the frame 2 provided in Embodiment 2 is mounted.

[0059] This document uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. Furthermore, those skilled in the art will recognize that, based on the ideas of this utility model, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A lock mechanism, characterized in that The electric push rod, the push-pull rod and the locking part are included; The output end of the electric push rod is connected with the push-pull rod; The locking part includes a mounting block and a clamping block; The clamping block is rotatably arranged on the mounting block through a first connecting column; A first sliding groove is formed on the push-pull rod along the output direction of the electric push rod, and the first connecting column is arranged in the first sliding groove; The push-pull rod is connected with a second connecting column; A second sliding groove is formed on the clamping block, and the second connecting column is arranged in the second sliding groove.

2. A frame, characterized in that The bottom of the frame is open, and two opposite side walls of the frame are provided with cavities; Two locking mechanisms as claimed in claim 1 are arranged in the two cavities respectively; An opening is formed on the opposite surface of the two side walls, and the position of the opening corresponds to the position of the clamping block.

3. A frame according to claim 2, wherein, The open bottom of the frame has a slope structure.

4. A vehicle characterized by comprising: The frame includes any one of claims 2-3.