Energy storage connector

By designing the plug assembly, socket assembly and locking assembly of the energy storage connector, the energy storage connector can be quickly locked and unlocked, ensuring seamless contact between the power connection elements and the power connection terminals. This solves the safety hazards and transmission stability problems of existing energy storage connectors when used by non-professionals, and improves the power transmission efficiency and connection reliability.

CN223487497UActive Publication Date: 2025-10-28东莞市典威技术股份有限公司
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Patent Information

Application Number
CN202422874706.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-10-28
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

Existing energy storage connectors pose safety risks when used by non-professionals, and it is difficult to achieve efficient and stable power transmission and connection.

Method used

An energy storage connector was designed, which uses a plug assembly, a socket assembly and a locking assembly to achieve quick locking and unlocking through precise insertion. The elastic element and the locking slider are combined to ensure seamless contact between the power connection element and the power connection terminal. The directional step and directional sleeve are used to prevent misalignment and enhance mechanical locking and sealing.

Benefits of technology

It achieves precise docking between the power connection components and the power connection terminals, reduces contact resistance, improves power transmission efficiency and stability, enhances the plug fixing effect, prevents poor contact and falling off caused by vibration or external force, and ensures safety and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric connection, in particular to an energy storage connector, which comprises a plug assembly, a socket assembly and a locking assembly, the plug assembly comprises a connecting plug, a plugging cavity, an electric connection element and a wiring part, the connecting plug is arranged in the plugging cavity, one side of the plugging cavity is provided with a locking chute, and the locking chute is arranged in the socket assembly. The socket assembly is provided with a matching plug and a power connection terminal, the power connection terminal is arranged in the matching plug, the end portion of the matching plug is provided with a plugging limiting ring, and the matching plug is used for being plugged in the plugging cavity so that the power connection terminal can make conductive contact with the power connection element. According to the utility model, a special tool is needed for unlocking, the safety of plugging is ensured, the driving end is specially designed for an unlocking tool, the locking slide block can be effectively pushed to smoothly slide in the locking slide groove through accurate insertion, and rapid locking and unlocking of the connector are realized.
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Description

Technical Field

[0001] This utility model relates to the field of electrical connection technology, and in particular to an energy storage connector. Background Technology

[0002] Energy storage connectors are crucial components in energy storage systems, specifically designed for connecting and transmitting energy. Specifically, they establish reliable electrical connections between energy storage devices, battery packs, inverters, and other related equipment. This role is critical because it must meet the stringent requirements of high-power energy storage systems, demanding high current, low resistance, high reliability, and safety.

[0003] Energy storage connectors typically feature high-current plugs and sockets to ensure efficient power transmission and stable connections. Their design principles are based on the needs of power transmission and data communication, with a particular emphasis on low resistance, high conductivity, and good thermal resistance to reduce energy loss and heat generation. Furthermore, the robustness of the mechanical structure is also crucial to ensure reliable and stable connections under various environmental conditions. While ensuring the robustness of the mechanical connection, a locking mechanism is required. However, existing locking mechanisms all rely on a press-to-operate method, posing safety hazards for unqualified users. Therefore, improvements to the existing energy storage connector structure are necessary. Utility Model Content

[0004] To solve the above problems, this utility model requires a special tool to unlock and ensure the security of the connection. The drive end is designed for unlocking tools. Through precise insertion, it can effectively push the locking slider to slide smoothly in the locking groove, realizing the fast locking and unlocking of the energy storage connector.

[0005] The technical solution adopted by this utility model is: an energy storage connector, including a plug assembly, a socket assembly, and a locking assembly. The plug assembly includes a connecting plug, a insertion cavity, a power receiving element, and a wiring portion. The connecting plug is disposed in the insertion cavity, and a locking groove is provided on one side of the insertion cavity. The socket assembly is provided with a mating plug and a power receiving terminal. The power receiving terminal is disposed in the mating plug, and an insertion limiting ring is provided at the end of the mating plug. The mating plug is used to insert into the insertion cavity so that the power receiving terminal and the power receiving element make conductive contact.

[0006] A further improvement to the above solution is that sliding limit grooves are provided on both sides of the locking slide groove, the locking assembly includes an elastic element and a locking slider, sliding limit blocks are provided on both sides of the locking slider, the sliding limit blocks are slidably disposed on the sliding limit groove, the locking slider is provided with a locking platform, one end of the locking platform extends to the insertion cavity and is used to cooperate with the insertion limit ring to fix the mating plug in the insertion cavity, and one end of the locking slider is provided with a driving end, the driving end being located in the locking slide groove.

[0007] A further improvement to the above solution is that the connector is provided with a directional step, the directional step is provided with a directional sleeve, the directional step is provided with mounting buckles on both sides, the directional sleeve is provided with mounting grooves, and the mounting grooves are used to cooperate with the mounting buckles.

[0008] A further improvement to the above scheme is that a directional groove is provided at the port of the directional step, and a directional protrusion is provided on the inner circumference of the directional sleeve, the directional protrusion being used to fit into the directional groove.

[0009] A further improvement to the above scheme is that the outer periphery of the directional sleeve is provided with a plug-in directional groove, and the inner diameter of the mating plug is provided with a plug-in directional strip, the plug-in directional strip being used to mate with the plug-in directional groove.

[0010] A further improvement to the above solution is that a sealing groove is provided on the side of the connector near the directional step, and a sealing ring is fitted on the sealing groove. The outer circumference of the sealing ring is used to seal the inner diameter of the mating connector.

[0011] A further improvement to the above solution is that the power-connecting element is injection molded inside the connector plug. The power-connecting element has a power-connecting sleeve extending toward the inner diameter of the connector plug and a wiring sleeve extending toward the wiring part. A power-connecting ring is provided on the inner circumference of the power-connecting sleeve, and the power-connecting ring is used to contact the power-connecting terminal.

[0012] A further improvement to the above solution is that the wiring part is provided with a threaded part, the threaded part is provided with a connecting sleeve, the connecting sleeve is provided with a sealing ring, and the connecting sleeve is threadedly connected to the threaded part.

[0013] A further improvement to the above scheme is that a positioning shaft is provided at one end of the sliding limiting groove, the elastic element is a spring, the elastic element is sleeved on the positioning shaft, the locking slider is provided with a positioning hole, and the spring is provided on the positioning hole.

[0014] A further improvement to the above scheme is that a guide slope is provided at the end of the locking platform facing the insertion cavity port.

[0015] A further improvement to the above solution is that one end of the mating plug is provided with a mounting panel, and the mounting panel is provided with mounting holes.

[0016] The beneficial effects of this utility model are:

[0017] Compared to existing energy storage connectors, this invention ensures precise connection between the connecting element and the connecting terminal. The connecting plug within the insertion cavity and the connecting terminal within the mating plug achieve seamless contact during insertion, thereby minimizing contact resistance and improving the efficiency and stability of power transmission. Furthermore, the design of the insertion limiting ring not only enhances the plug's fixation but also further ensures the reliability of the electrical connection, effectively preventing poor contact or accidental detachment due to vibration or external forces. The locking assembly, through the ingenious combination of an elastic element and a locking slider, achieves automatic locking and unlocking of the mating plug. When the mating plug is fully inserted into the insertion cavity, the locking slider automatically slides forward under the action of the elastic element, with its locking platform tightly engaging with the insertion limiting ring to form a stable locking structure. The sliding limiting grooves on both sides of the locking slide and the sliding limiting blocks on both sides of the locking slider together constitute a high-precision, low-friction sliding guide mechanism. This ensures the stability and accuracy of the locking slider during sliding and effectively prevents slider deviation or jamming caused by vibration or impact.

[0018] This invention requires a special tool to unlock and ensure the security of the connection. The drive end is designed specifically for unlocking tools. Through precise insertion, it can effectively push the locking slider to slide smoothly in the locking groove, realizing the quick locking and unlocking of the connector. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of the energy storage connector of this utility model;

[0020] Figure 2 for Figure 1 An exploded view of the energy storage connector;

[0021] Figure 3 for Figure 1 Side view of the energy storage connector;

[0022] Figure 4 for Figure 3 Sectional view of AA;

[0023] Figure 5 for Figure 3 Sectional view of BB;

[0024] Figure 6 for Figure 1 Front view of the energy storage connector;

[0025] Figure 7 for Figure 6 Sectional view of AA.

[0026] Explanation of reference numerals in the attached drawings: Plug assembly 1, Connecting plug 11, Orienting step 111, Orienting groove 1111, Orienting sleeve 112, Orienting protrusion 1121, Insertion orientation groove 1122, Assembly buckle 113, Assembly slot 114, Sealing ring 115, Insertion cavity 12, Electrical element 13, Electrical sleeve 131, Wiring sleeve 132, Electrical ring 133, Wiring part 14, Threaded part 141, Connecting sleeve 142, Sealing ring 143, Locking groove 15, Sliding limit groove 151, Positioning shaft 1511, Socket assembly 2, Mating plug 21, Insertion limit ring 211, Insertion orientation strip 212, Mounting panel 213, Mounting hole 214, Electrical terminal 22, Locking assembly 3, Elastic element 31, Locking slider 32, Sliding limit block 321, Locking platform 322, Guide slope 3221, Drive end 323, Positioning hole 324. Detailed Implementation

[0027] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0028] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Figures 1-6As shown, in one embodiment of this utility model, an energy storage connector is disclosed, including a plug assembly 1, a socket assembly 2, and a locking assembly 3. The plug assembly 1 includes a connecting plug 11, a insertion cavity 12, a power receiving element 13, and a wiring portion 14. The connecting plug 11 is disposed in the insertion cavity 12, and a locking groove 15 is provided on one side of the insertion cavity 12. The socket assembly 2 is provided with a mating plug 21 and a power receiving terminal 22. The power receiving terminal 22 is disposed in the mating plug 21, and an insertion limiting ring 211 is provided at the end of the mating plug 21. The mating plug 21 is used to insert into the insertion cavity 12 so that the power receiving terminal 22 makes conductive contact with the power receiving element 13. The locking slide groove 15 has sliding limit grooves 151 on both sides. The locking assembly 3 includes an elastic element 31 and a locking slider 32. The locking slider 32 has sliding limit blocks 321 on both sides, and the sliding limit blocks 321 are slidably disposed on the sliding limit groove 151. The locking slider 32 is provided with a locking platform 322, one end of which extends into the insertion cavity 12 and is used to cooperate with the insertion limit ring 211 to fix the mating plug 21 in the insertion cavity 12. One end of the locking slider 32 is provided with a driving end 323, which is located in the locking slide groove 15. This embodiment ensures precise docking between the connecting element 13 and the connecting terminal 22. The connecting plug 11 in the insertion cavity 12 and the connecting terminal 22 in the mating plug 21 can achieve seamless contact during the insertion process, thereby minimizing contact resistance and improving the efficiency and stability of power transmission. Furthermore, the design of the insertion limiting ring 211 not only enhances the fixing effect of the plug but also further ensures the reliability of the electrical connection, effectively avoiding poor contact or accidental detachment caused by vibration or external force. The locking assembly 3, through the ingenious combination of the elastic element 31 and the locking slider 32, achieves automatic locking and unlocking of the mating plug 21. When the mating plug 21 is fully inserted into the insertion cavity 12, the locking slider 32 automatically slides forward under the action of the elastic element 31, and its locking platform 322 tightly engages with the insertion limiting ring 211, forming a stable locking structure. The sliding limiting grooves 151 on both sides of the locking slide groove 15, and the sliding limiting blocks 321 on both sides of the locking slider 32, together constitute a high-precision, low-friction sliding guide mechanism. This ensures the stability and accuracy of the locking slider 32 during sliding and effectively prevents slider deviation or jamming caused by vibration or impact.

[0030] This embodiment requires a special tool to unlock and ensure the security of the connection. The drive end 323 is designed for unlocking tools. Through precise insertion, it can effectively push the locking slider 32 to slide smoothly in the locking groove 15, realizing the quick locking and unlocking of the connector.

[0031] The connector plug 11 is provided with a directional step 111, and a directional sleeve 112 is provided on the directional step 111. Assembly latches 113 are provided on both sides of the directional step 111, and an assembly groove 114 is provided on the directional sleeve 112, which is used to engage with the assembly latches 113. Specifically, a directional groove 1111 is provided at the end of the directional step 111, and a directional protrusion 1121 is provided on the inner circumference of the directional sleeve 112, which engages with the directional groove 1111. In this embodiment, the cooperation of the directional step 111 and the directional sleeve 112, through precise geometric positioning, effectively prevents misalignment and skewness of the plug during insertion, ensuring accurate connector mating. This not only reduces electrical contact problems caused by improper assembly but also extends the service life of the connector. Furthermore, the ingenious design of the assembly latches 113 and the assembly grooves 114 enables quick locking and a secure connection between the plug and the socket. This mechanical locking mechanism not only simplifies the assembly process and improves work efficiency, but also enhances the connector's resistance to vibration and shock in harsh environments, ensuring the stable operation of the energy storage system under various working conditions. Furthermore, the directional groove 1111 at the port of the directional step 111 matches the directional protrusion 1121 on the inner circumference of the directional sleeve 112, further strengthening the accuracy and stability of the connection. This dual positioning mechanism ensures that the connector maintains good contact performance after multiple insertions and removals, reducing the risk of poor contact due to wear.

[0032] The outer periphery of the directional sleeve 112 is provided with a insertion directional groove 1122, and the inner diameter of the mating plug 21 is provided with a insertion directional strip 212, which is used to mate with the insertion directional groove 1122. In this embodiment, the precise matching of the insertion directional strip 212 and the directional groove ensures quick and accurate docking of the plug and sleeve during the connection process, effectively reducing connection deviations caused by improper human operation or environmental factors, and improving the reliability and stability of the connection. A tighter mechanical lock is formed between the plug and the sleeve. This design not only enhances the connector's resistance to pull-out when subjected to external forces, but also improves the overall connection strength, ensuring the stable operation of the energy storage system under high-intensity working conditions. Moreover, combined with the action of the directional step 111, it ensures that the connector will not rotate after mating.

[0033] A sealing groove is provided on the side of the connector 11 near the directional step 111, and a sealing ring 115 is fitted onto the sealing groove. The outer circumference of the sealing ring 115 is used to seal and abut against the inner diameter of the mating connector 21. In this embodiment, the precise arrangement of the sealing groove not only provides a stable installation foundation for the sealing ring 115, but also ensures that the sealing ring 115 is in the correct position after installation, reducing the risk of seal failure due to improper installation. As a key sealing element, the sealing ring 115 tightly fits the inner diameter of the connector, forming a solid sealing barrier that effectively prevents the intrusion of harmful substances such as moisture, dust, and corrosive gases, protecting the internal metal components of the connector from corrosion and extending the product's service life.

[0034] The power receiving element 13 is injection molded inside the connector 11. The power receiving element 13 has a power receiving sleeve 131 extending towards the inner diameter of the connector 11 and a wiring sleeve 132 extending towards the wiring portion 14. A power receiving ring 133 is provided on the inner circumference of the power receiving sleeve 131, which is used to contact the power receiving terminal 22. In this embodiment, injection molding ensures a tight fit between the power receiving element 13 and the connector, forming an integrated structure that effectively resists the influence of external environmental factors such as vibration, impact, and temperature and humidity changes on the connection part, enhancing the durability and stability of the connector. This integrated design also reduces contact problems caused by assembly errors, ensuring the continuity and safety of power transmission. The power receiving sleeve 131 and wiring sleeve 132 on the power receiving element 13 extend towards the inner diameter of the connector and the wiring portion 14 respectively, achieving efficient connection between the power receiving terminal 22 and the wire. The contact ring 133 set on the inner circumference of the contact sleeve 131 ensures close contact with the contact terminal 22 through precise size control and material selection, reducing contact resistance and improving power transmission efficiency.

[0035] The wiring portion 14 is provided with a threaded portion 141, and a connecting sleeve 142 is provided in the threaded portion 141. A sealing ring 143 is provided inside the connecting sleeve 142, and the connecting sleeve 142 is threadedly connected to the threaded portion 141. In this embodiment, the precision threaded connection between the threaded portion 141 and the connecting sleeve 142 not only ensures the stability of the connection, but also provides appropriate preload during assembly, effectively preventing loosening caused by vibration or external forces. At the same time, the sealing ring 143 embedded inside the connecting sleeve 142, as a key sealing element, further enhances the sealing performance of the connector interface, effectively blocking the intrusion of harmful substances such as moisture and dust from the external environment, and ensuring the stable transmission and safe storage of electrical energy within the energy storage system.

[0036] A positioning shaft 1511 is provided at one end of the sliding limiting groove 151. The elastic element 31 is a spring, which is sleeved on the positioning shaft 1511. The locking slider 32 is provided with a positioning hole 324, and the spring is disposed in the positioning hole 324. In this embodiment, the precise cooperation between the positioning shaft 1511 and the sliding limiting groove 151 ensures that the trajectory of the locking slider 32 is accurate and without deviation during movement, effectively preventing misalignment caused by external force or vibration. The spring is sleeved on the positioning shaft 1511 and acts on the positioning hole 324 of the locking slider 32, realizing the flexible constraint and automatic reset function of the locking slider 32. Even after being subjected to external force, it can quickly return to the initial state, ensuring the continuous effectiveness of the connector connection.

[0037] A guide ramp 3221 is provided at the end of the locking platform 322 facing the insertion cavity 12. In this embodiment, the presence of the guide ramp 3221 greatly optimizes the insertion and removal process of the connector, allowing the plug to slide smoothly along the ramp when approaching the insertion cavity 12, effectively avoiding mechanical stress caused by direct impact, thereby extending the service life of the connector. Secondly, the guide ramp 3221 also enhances the accuracy of the insertion operation. Even with a certain angular deviation, it can automatically correct to the correct position through the guiding effect of the ramp, improving the stability and reliability of the connection. In addition, this design also reduces noise and vibration generated during insertion and removal, improving the overall comfort and safety of use.

[0038] A mounting panel 213 is provided at one end of the connector 21, and the mounting panel 213 has mounting holes 214. In this embodiment, the introduction of the mounting panel 213 provides a stable mounting base for the connector, enabling the connector to be quickly and securely installed on the intended device or panel, enhancing the overall stability and security of the system. Secondly, the design of the mounting holes 214 follows the principles of standardization and modularity, allowing users to select appropriate fasteners, such as screws or clips, according to actual installation needs, achieving quick and accurate installation and disassembly, greatly shortening the installation cycle and reducing maintenance costs.

[0039] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An energy storage connector, characterized in that: The device includes a plug assembly, a socket assembly, and a locking assembly. The plug assembly includes a connecting plug, a insertion cavity, a power receiving element, and a wiring portion. The connecting plug is disposed within the insertion cavity, and a locking groove is provided on one side of the insertion cavity. The socket assembly is provided with a mating plug and a power receiving terminal. The power receiving terminal is disposed within the mating plug, and an insertion limiting ring is provided at the end of the mating plug. The mating plug is used to insert into the insertion cavity so that the power receiving terminal makes conductive contact with the power receiving element. The locking slide groove has sliding limit grooves on both sides. The locking assembly includes an elastic element and a locking slider. The locking slider has sliding limit blocks on both sides. The sliding limit blocks are slidably disposed on the sliding limit groove. The locking slider has a locking platform. One end of the locking platform extends into the insertion cavity and is used to cooperate with the insertion limit ring to fix the mating plug in the insertion cavity. One end of the locking slider has a driving end, which is located in the locking slide groove.

2. The energy storage connector according to claim 1, characterized in that: The connector is provided with a directional step, the directional step is provided with a directional sleeve, the directional step is provided with mounting buckles on both sides, the directional sleeve is provided with mounting slots, and the mounting slots are used to engage with the mounting buckles.

3. The energy storage connector according to claim 2, characterized in that: The directional step has a directional groove at its port, and the directional sleeve has a directional protrusion on its inner circumference. The directional protrusion is used to fit into the directional groove.

4. The energy storage connector according to claim 3, characterized in that: The outer periphery of the directional sleeve is provided with a directional groove for insertion, and the inner diameter of the mating plug is provided with a directional strip for insertion, the directional strip for mating with the directional groove.

5. The energy storage connector according to claim 2, characterized in that: The connector has a sealing groove on the side near the directional step, and a sealing ring is fitted on the sealing groove. The outer circumference of the sealing ring is used to seal the inner diameter of the mating connector.

6. The energy storage connector according to claim 1, characterized in that: The power receiving element is injection molded inside the connector plug. The power receiving element has a power receiving sleeve extending towards the inner diameter of the connector plug and a wiring sleeve extending towards the wiring part. A power receiving ring is provided on the inner circumference of the power receiving sleeve, and the power receiving ring is used to contact the power receiving terminal.

7. The energy storage connector according to claim 6, characterized in that: The wiring part is provided with a threaded part, the threaded part is provided with a connecting sleeve, the connecting sleeve is provided with a sealing ring, and the connecting sleeve is threadedly connected to the threaded part.

8. The energy storage connector according to claim 1, characterized in that: One end of the sliding limiting groove is provided with a positioning shaft, the elastic element is a spring, the elastic element is sleeved on the positioning shaft, the locking slider is provided with a positioning hole, and the spring is provided on the positioning hole.

9. The energy storage connector according to claim 8, characterized in that: The locking platform has a guide slope at one end facing the insertion cavity port.

10. The energy storage connector according to claim 1, characterized in that: One end of the mating plug is provided with a mounting panel, and the mounting panel is provided with mounting holes.

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