Electric connector and battery system with same

Abstract

The utility model provides an electric connector and a battery system with the electric connector, the electric connector comprises a socket assembly and a plug assembly, the socket assembly comprises a socket main body, and the plug assembly comprises a plug housing, a plug main body, a spring and a button. The convex arc part of the key is rotatably kept in the curved surface accommodating cavity on the plug main body, and a plug pin part and a plug pin hole of the plug main body in a traditional electric connector are omitted, so that the die structure of the plug main body can be simplified, the process difficulty and the production cost are reduced, the plug pin mounting process is reduced, and the production efficiency is improved; the plug shell is additionally arranged outside the plug main body, so that the safety and attractiveness of the product can be enhanced, and parts are prevented from falling off; when the plug assembly and the socket assembly are plugged, the barb part of the key clamps the flange of the socket main body to realize a locking function, and when unlocking is carried out, only the pressing part of the key needs to be pressed, the convex arc part rotates in the curved surface accommodating cavity, so that the barb part is separated from the flange, the plug assembly can be pulled out, and the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, and in particular to an electric connector and a battery system having the electric connector. Background Art

[0002] The main function of electrical connectors is to realize the connection of power systems and the transmission of electrical signals. They can be used in various fields such as new energy, military industry, rail transportation, aerospace, and aviation.

[0003] An electrical connector generally consists of two parts: a socket assembly and a plug assembly. The plug assembly of a traditional push-button type electrical connector generally includes a plug body, a button, a pin, a spring and other components. When the plug assembly is plugged into the socket assembly, the button, the pin, the spring and other components form a locking structure to lock the two. When the plug assembly needs to be unplugged from the socket assembly, press the button to open the locking structure and unplug the plug assembly.

[0004] However, in actual manufacturing and assembly, the pins, springs, and buttons need to be assembled onto the plug body one by one, and the assembly process is relatively complicated. The metal pins are small parts with a smooth surface. When inserting the pins into the pin holes of the plug body, it is not only difficult to grasp but also easy to slip after grasping, which prolongs the assembly process and reduces production efficiency. At the same time, the mold of the plug body needs to be designed with pin hole mold positions, which makes the mold structure complex. In addition, the pin parts of traditional push-button electrical connectors are exposed and there is a risk of falling off, affecting the safety and aesthetics of the product. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an electrical connector and a battery system having the electrical connector, which eliminates the latch parts, simplifies the mold structure and the installation process, improves production efficiency, and enhances safety and aesthetics.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An electric connector comprises a socket assembly and a plug assembly, wherein the plug assembly is detachably plugged into the socket assembly.

[0008] The socket assembly includes a socket body, and the socket body is provided with a flange.

[0009] The plug assembly includes a plug shell, a plug body, a spring and a button. The side wall of the plug body is provided with a curved receiving cavity. The button has a convex arc portion and a pressing portion and a barb portion respectively located on both sides of the convex arc portion. The convex arc portion is rotatably arranged in the curved receiving cavity. The spring is arranged between the button and the plug body. When the plug assembly is plugged into the socket assembly, the barb portion is engaged with the flange.

[0010] Preferably, the plug assembly also includes a plug shell, which is sleeved on the outside of the plug body, and has an opening for receiving the pressing portion and an inner wall for limiting the button, and the inner wall abuts against or partially fits with the button to keep the convex arc portion in the curved receiving cavity.

[0011] Preferably, a hook is provided on the inner wall of the plug shell, and the plug body has a hook groove corresponding to the hook, and when the plug shell is sleeved on the outside of the plug body, the hook is engaged in the hook groove.

[0012] Preferably, the inner wall has a rib portion, the plug shell is protruding with a convex wall portion, the rib portion is located on the inner side surface of the transition between the convex wall portion and the opening, and the inner side of the convex wall portion forms a cavity space for accommodating the barb portion.

[0013] Preferably, a step transition portion is formed between the pressing portion and the convex arc portion, and the step transition portion is located on the back side of the convex arc portion; the rib portion abuts against the step transition portion.

[0014] Preferably, a necking portion is provided on the inner wall of one end of the plug housing close to the socket body, and the inner wall of the necking portion is in contact with the outer wall of the socket body.

[0015] Preferably, convex points are provided on both sides of the convex arc portion, and grooves are correspondingly provided on the inner walls on both sides of the curved surface receiving cavity, and the convex points enter the corresponding grooves to keep the convex arc portion in the curved surface receiving cavity.

[0016] Preferably, a barb slope is provided on one side of the barb portion away from the convex arc portion, and an arcuate chamfered surface is provided on the outer edge of the end surface of the flange, and the arcuate chamfered surface is used to abut against the barb slope when the plug assembly is plugged into the socket assembly.

[0017] Preferably, the flange is axially recessed to form a barb groove, and a side wall of the barb groove away from the flange is a sloped wall. When the plug assembly is plugged into the socket assembly, the barb portion is stuck in the barb groove, and the barb slope is parallel to or in contact with the sloped wall.

[0018] Preferably, a first spring groove is provided on the plug body, a second spring groove is correspondingly provided on the inner side wall of the pressing portion, and the spring is arranged in the first spring groove and the second spring groove.

[0019] Preferably, the center axis of the first spring groove is arranged along the radial direction of the plug body, and the center axis of the curved receiving cavity is perpendicular to the center axis of the plug body and the center axis of the first spring groove.

[0020] Preferably, an inserting cavity is provided inside the plug body, the inserting cavity has an annular cavity wall, the central axis of the plug body is perpendicular to the plane where the annular cavity wall is located, and the end face of the flange abuts against the annular cavity wall.

[0021] According to another aspect of the present invention, a battery system is further provided. The battery system has the electrical connector as described above.

[0022] Compared with the prior art, the beneficial effects of the utility model are as follows: in the electrical connector of the utility model, the convex arc portion of the button can be rotatably retained in the curved receiving cavity on the plug body, eliminating the plug parts and the pin holes of the plug body in the traditional electrical connector, which can simplify the mold structure of the plug body, reduce the process difficulty and production cost, reduce the pin installation process, and improve production efficiency; adding a plug shell to the outside of the plug body can enhance the safety and aesthetics of the product and prevent parts from falling off; when the plug assembly is plugged into the socket assembly, the hook portion of the button clamps the flange of the socket body to realize the locking function. When unlocking, you only need to press the pressing part of the button, and the convex arc portion rotates in the curved receiving cavity, so that the hook portion is separated from the flange, and the plug assembly can be pulled out, which is simple and convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The figure is a schematic diagram of the plugging of an electrical connector according to an embodiment of the present utility model.

[0024] Figure 2 It is a structural schematic diagram of a socket assembly in one embodiment of the utility model.

[0025] Figure 3 It is an exploded view of a plug assembly in one embodiment of the utility model.

[0026] Figure 4 It is a schematic structural diagram of a plug body and a button in one embodiment of the utility model.

[0027] Figure 5 It is a schematic diagram of the matching structure of the button and the socket body when the plug assembly and the socket assembly are plugged in one embodiment of the utility model.

[0028] Figure 6It is a cross-sectional view of a plug assembly and a socket assembly in a plugged and locked state in one embodiment of the utility model.

[0029] Figure 7 It is a schematic diagram of the matching structure of the button and the socket body after the plug assembly and the socket assembly are plugged and locked in one embodiment of the utility model.

[0030] Figure 8 It is a cross-sectional view of an unlocked state in one embodiment of the utility model.

[0031] Fig. 9 It is a schematic diagram of the matching structure of the button and the socket body in the unlocked state in one embodiment of the utility model.

[0032] Fig.10 This is a schematic diagram of the structure of the button, the plug body, and the socket body in a locked state in another embodiment of the utility model.

[0033] Fig.11 It is a schematic structural diagram of the button, the plug body and the socket body in another embodiment of the utility model in a locked state from another perspective.

[0034] Fig.12 for Fig.11 Cross-sectional view along AA direction.

[0035] Fig.13 This is a schematic diagram of the structure of the button, the plug body, and the socket body in the unlocked state in another embodiment of the utility model.

[0036] Fig.14 It is a schematic structural diagram of the button, the plug body, and the socket body in another embodiment of the utility model in an unlocked state from another perspective.

[0037] Fig.15 for Fig.14 Cross-sectional view along direction BB.

[0038] Fig.16 This is a schematic structural diagram of a plug body and a button in another embodiment of the present invention.

[0039] In the figure, 1-socket assembly, 11-socket body, 111-flange, 112-arc chamfered surface, 113-hook groove, 2-plug assembly, 21-plug shell, 211-first end, 212-second end, 213-opening, 214-hook, 215-convex wall portion, 216-ribbed portion, 217-shrink portion, 22-plug body, 221-curved receiving cavity, 222-first spring groove, 223-plug-in cavity, 224-hook groove, 225-annular groove wall, 226-groove, 23-spring, 24-button, 241-convex arc portion, 242-hook portion, 243-hook inclined surface, 244-second spring groove, 245-pressing portion, 246-step transition portion, 247-anti-slip ridge, 248-convex point. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the embodiment of the present application will be clearly and completely described below in conjunction with the drawings of the embodiment of the present application. Obviously, the described embodiment is a part of the embodiment of the present application, rather than all the embodiments. Based on the described embodiment of the present application, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of this application. It can be understood that, in the absence of conflict, some technical means of the various embodiments described herein can be replaced or combined with each other.

[0041] In the description of this application, if there are terms such as "first", "second", etc., they are only used to distinguish the objects described and do not have any order or technical meaning. Therefore, an object defined as "first", "second", etc. may explicitly or implicitly include one or more of the objects. In addition, "one" or "a" and similar words do not indicate a quantity limitation, but rather indicate the presence of at least one, and "multiple" means no less than two.

[0042] In the description of the specification of the present application, reference to "one embodiment" or "some embodiments" etc. means that one or more embodiments of the present application include a specific feature, structure or characteristic described in conjunction with the embodiment. Therefore, the phrases "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. appearing in different places in the specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways.

[0043] Please refer to Figure 1 , Figure 2 and Figure 3 The utility model provides an electrical connector, which includes a socket assembly 1 and a plug assembly 2. The plug assembly 2 is detachably plugged into the socket assembly 1.

[0044] Specifically, the socket assembly 1 includes a socket body 11 , and a flange 111 is provided at the plug-in end of the socket body 11 .

[0045] The plug assembly 2 includes a plug body 22, a spring 23 and a button 24. The side wall of the plug body 22 is provided with a curved receiving cavity 221. The button 24 has a convex arc portion 241 and a pressing portion 245 and a hook portion 242 respectively located on both sides of the convex arc portion 241. The convex arc portion 241 is rotatably arranged in the curved receiving cavity 221. The spring 23 is arranged between the button 24 and the plug body 22. When the plug assembly 2 is plugged into the socket assembly 1, the hook portion 242 is engaged with the flange 111.

[0046] See also Fig.16 In some embodiments, convex points 248 may be provided on both sides of the convex arc portion 241, and the convex points 248 on both sides are symmetrically arranged, and grooves 226 are correspondingly provided on the inner walls of the curved surface receiving cavity 221 on both sides, and the convex points 248 enter the corresponding grooves 226 to keep the convex arc portion 241 in the curved surface receiving cavity 221 and prevent it from falling off. The convex points 248 and the grooves 226 can be designed as mutually matching hemispherical structures to ensure that the key 24 can rotate around the shaft-like structure formed by the convex points 248. The cooperation between the convex arc portion 241 and the curved surface receiving cavity 221 can replace the relatively small plug parts in the traditional electrical connector, and the convex arc portion 241 and the convex points 248 are integrally formed on the key 24, which is convenient for holding during assembly and not easy to fall off, which can speed up the installation speed and improve production efficiency.

[0047] In some other preferred embodiments of the present invention, the plug assembly 2 further includes a plug housing 21, which is sleeved on the outside of the plug body 22, and has an opening 213 for receiving the pressing portion 245 and an inner wall for limiting the button 24, the inner wall abuts against or partially fits the button 24 to keep the convex arc portion 241 in the curved receiving cavity 221. At the same time, the plug housing 21 can enhance the dustproof and waterproof performance, safety and aesthetics of the product and prevent parts from falling off.

[0048] It should be noted that the specific structure of the inner wall used to limit the button 24 can be determined according to the specific setting of the curved receiving cavity 221. Figure 6 In some embodiments, the aforementioned inner wall has a rib portion 216. When the opening of the curved receiving cavity 221 toward the button 24 is set to be slightly larger than the outer diameter of the convex arc portion 241, the convex arc portion 241 can be directly placed in the curved receiving cavity 221 during installation. At this time, there is no clamping structure between the two, and the button 24 is easy to fall out of the curved receiving cavity 221. It is necessary to use the rib portion 216 on the plug housing 21 to support the button 24 so that the convex arc portion 241 remains in the curved receiving cavity 221.

[0049] Combination Figures 10 to 15 In other embodiments, when the opening of the curved receiving cavity 221 is set to be smaller than the outer diameter of the convex arc portion 241, one end of the curved receiving cavity 221 can be directly set on the plug body 22, and the convex arc portion 241 can be slid into the curved receiving cavity 221 from the side. In this way, the convex arc portion 241 is clamped by the curved receiving cavity 221 and will not fall out. However, there is still a risk that the button 24 may slide out from the side and fall off during use. Therefore, it is necessary to sleeve the plug shell 21 on the plug body 22. At this time, the inner wall of the plug shell 21 is fitted together with the plug body 22, so that the opening of the curved receiving cavity 221 is blocked, thereby preventing the button 24 from falling off.

[0050] The electric connector of the utility model eliminates the plug parts in the traditional electric connector, which can reduce the plug installation process. The operator does not need to install the delicate plug parts by hand, thereby reducing the ability requirements of the operator. Even a person with poor finger fine movement can complete the assembly of the product, which reduces the labor cost, speeds up the installation speed, and improves the production efficiency. In the mass production stage of the product, the plug hole on the plug body 22 is removed, so that the production mold structure of the plug body 22 is simpler, which not only reduces the development cost of the mold, but also prolongs the service life of the mold. A plug shell 21 is added to the outside of the plug body 22 to enhance the safety and aesthetics of the product and prevent parts from falling off; the button 24 forms a lever-like structure. When the plug assembly 2 is plugged into the socket assembly 1, with the cooperation of the spring 23, the hook portion 242 of the button 24 clamps the flange 111 of the socket body 11 to achieve locking. When unlocking, you only need to press the pressing portion 245 of the button 24, and the convex arc portion 241 will rotate in the curved receiving cavity 221, so that the hook portion 242 is separated from the flange 111, and the lock can be released, and the plug assembly 2 can be pulled out. The operation is simple and convenient.

[0051] See also Figure 4 , Figure 5 In some preferred embodiments of the utility model, a barb slope 243 is provided on the side of the barb portion 242 away from the convex arc portion 241, and an arc-shaped chamfered surface 112 is provided on the outer edge of the end surface of the flange 111. The arc-shaped chamfered surface 112 is used to abut against the barb slope 243 when the plug assembly 2 is plugged into the socket assembly 1.

[0052] Furthermore, a barb groove 113 is formed on the axial inner side of the flange 111, and a side wall of the barb groove 113 away from the flange 111 is a sloped wall. When the plug assembly 2 is plugged into the socket assembly 1, the barb portion 242 is stuck in the barb groove 113, and the barb slope 243 is parallel to or in contact with the sloped wall.

[0053] Furthermore, the tip of the hook portion 241 can be ground flat to form an arc-shaped side surface to prevent the hook portion 241 from hooking the socket body 11 and affecting the separation of the hook portion 241 from the socket body 11 when the button 24 is pressed to unlock. Figure 7 When the plug assembly 2 is plugged into the socket assembly 1, the arcuate side surface abuts against the groove wall of the barb groove 113. In addition, the sharp end can also be prevented from scratching the outer wall of the socket body 11 after the flattening process.

[0054] Please refer to Figures 5 to 7 During the process of plugging the plug assembly 2 into the socket assembly 1, the arc chamfered surface 112 and the hook slope 243 are in contact and slide relative to each other. The arc chamfered surface 112 exerts a force on the hook portion 243 that is perpendicular to the hook slope 243, and the rib portion 216 presses against the button 24, limiting the outward translational movement of the hook portion 242. The convex arc portion 241 will rotate counterclockwise in the curved surface receiving cavity 221, so that the hook portion 242 rotates counterclockwise outward to allow the flange 111 to enter, and when the convex arc portion 241 rotates counterclockwise, the pressing portion 245 compresses the spring 23 inward. When the flange 111 passes over the hook 214 and is inserted into place, the hook portion 242 is no longer subjected to an outward force, and the elastic force of the spring 23 pushes the pressing portion 245 to move outward. At the same time, the convex arc portion 241 rotates clockwise in the curved receiving cavity 221, so that the hook portion 242 rotates inward clockwise and enters the hook groove 113. The hook portion 242 hooks the flange 111, and the hook bevel 243 fits with the bevel wall of the hook groove 113, thereby locking the plug assembly 2 and the socket assembly 1 to prevent the plug assembly 2 from falling out.

[0055] See also Figure 4 In some other preferred embodiments of the present invention, a first spring groove 222 is provided on the plug body 22 , a second spring groove 244 is correspondingly provided on the inner side wall of the pressing portion 245 , and the spring 23 is disposed in the first spring groove 222 and the second spring groove 244 .

[0056] Furthermore, the central axis of the first spring slot 222 can be arranged along the radial direction of the plug body 22, and the central axis of the curved receiving cavity 221 is perpendicular to the central axis of the plug body 22 and the central axis of the first spring slot 222 to ensure that the button 24 can work according to a lever-like structure.

[0057] During the assembly operation of the plug assembly 2, one end of the spring 23 is first inserted into the first spring groove 222, and then the button 24 is installed on the plug body 22. At this time, the convex arc portion 241 is directly placed in the curved receiving cavity 221, and the other end of the spring 23 enters the second spring groove 244. After that, the plug shell 21 is sleeved on the outside of the plug body 22, so that the pressing portion 245 enters the opening 213, and the rib portion 216 presses against the button 24, so that the convex arc portion 241 remains in the curved receiving cavity 221, and prevents the spring 23 and the button 24 from falling off.

[0058] See also Figures 10 to 15 In some embodiments, when the opening of the curved receiving cavity 221 toward the button 24 is set smaller than the outer diameter of the convex arc portion 241, one axial end of the curved receiving cavity 221 is set through the plug body 22, and the other end is a closed structure. In this way, the convex arc portion 241 can be opened along the Fig.11 The convex arc portion 241 is inserted into the curved receiving cavity 221 from the side in the X direction in the figure. In this way, the convex arc portion 241 is clamped by the curved receiving cavity 221 and will not fall out. However, there is still a risk that the button 24 may slide out from the side and fall off during use. Therefore, the plug shell 21 needs to be sleeved on the plug body 22. At this time, the inner wall of the plug shell 21 fits together with the plug body 22, so that the opening at one end of the curved receiving cavity 221 is blocked, so that the button 24 is not easy to fall off. When unlocking, pressure is applied to the pressing portion 245, and the pressing portion 245 approaches the plug body 22, so that the spring 23 is compressed, and the convex arc portion 241 rotates counterclockwise in the curved receiving cavity 221, thereby causing the barb portion 242 to rotate outward counterclockwise and gradually separate from the flange 111.

[0059] See also Figure 6 In some other preferred embodiments of the present invention, the inner wall of the plug shell 21 is provided with a hook 214, and the plug body 22 has a hook groove 224 corresponding to the hook 214. When the plug shell 21 is sleeved on the outside of the plug body 22, the hook 214 is engaged in the hook groove 224. The hook 214 cooperates with the hook groove 224 to realize the self-locking function of the plug shell 21 and the plug body 22, thereby ensuring the firmness and structural stability of the plug assembly 2.

[0060] See also Figure 3 , Figure 6 In other embodiments, the plug housing 21 has a first end 211 and a second end 212, the first end 211 corresponds to the plug end of the plug body 22, the second end 212 is provided with an opening 213 adapted to the pressing portion 245, and the hook 214 is provided on the inner wall of the second end 212. When the plug housing 21 is installed, the plug body 22 enters the interior of the plug housing 21 from the second end 212.

[0061] The plug housing 21 is formed with a convex wall portion 215, and the rib portion 216 is located on the inner side of the transition between the convex wall portion 215 and the opening 213. The inner side of the convex wall portion 215 forms a cavity space for accommodating the barb portion 242. Since the movement of the barb portion 242 is a rotation around the convex arc portion 241, the cavity space can be set as a fan-shaped cavity matched therewith.

[0062] Correspondingly, a step transition portion 246 is formed between the pressing portion 245 and the convex arc portion 241, and the step transition portion 246 is on the back side of the convex arc portion 241. The rib portion 216 abuts against the step transition portion 246, and the structure of the step transition portion 246 matches the structure of the rib portion 216. After the plug assembly 2 is assembled, the plug housing 21 can limit the button 24, prevent the button 24 and the spring 23 from falling off, and enhance safety and aesthetics; at the same time, the rib portion 216 can abut against the step transition portion 246, so that the convex arc portion 241 remains in the curved receiving cavity 221, and the button 24 forms a lever-like structure, which is convenient for locking and unlocking operations.

[0063] See also Figure 6 In some other embodiments of the utility model, a plug-in cavity 223 is provided inside the plug body 22, and the plug-in cavity 223 is used for the socket body 11 to enter. The plug-in cavity 223 has an annular cavity wall 225. The central axis of the plug body 22 is perpendicular to the plane where the annular cavity wall 225 is located. When the plug assembly 2 is plugged into the socket assembly 1, the end face of the flange 111 abuts against the annular cavity wall 225 to ensure the plug-in depth and limit.

[0064] In some other embodiments of the present invention, a constricted portion 217 is provided on the inner wall of one end of the plug housing 21 close to the socket body 11. When the plug assembly 2 is plugged into the socket assembly 1, the inner wall of the constricted portion 217 fits against the outer wall of the socket body 11. During manufacturing, the inner diameter of the constricted portion 217 is not greater than the outer diameter of the socket body 11 to ensure sealing after plugging. Furthermore, a sealing ring may be provided between the constricted portion 217 and the socket body 11 to enhance sealing performance.

[0065] See also Figure 3 In some embodiments, an anti-slip ridge 247 may be further provided on the pressing portion 245 to enhance the friction between the operator's hand and the button 24 during operations such as pressing to unlock, thereby preventing slipping.

[0066] In other embodiments, a lubricant may be provided between the convex arc portion 241 and the curved receiving cavity 221 . The lubricant may play a lubricating role when the convex arc portion 241 rotates, thereby reducing wear and tear and extending the service life of the product.

[0067] Please refer to Figures 5 to 7In the assembly operation of the electrical connector of the present invention, one end of the spring 23 is first installed in the first spring groove 222, and then the button 24 is installed to the side of the plug body 22, so that the convex arc portion 241 fits into the curved receiving cavity 221, and the other end of the spring 23 is installed in the second spring groove 244; then, the plug housing 21 is put onto the plug-in end of the plug body 22, and the pressing portion 245 enters the opening 213, and the hook 214 is correspondingly hooked in the hook groove 224. During the process of plugging the plug assembly 2 into the socket assembly 1, the flange end of the socket body 11 gradually enters the insertion cavity 223, the arc chamfered surface 112 and the hook slope 243 are attached and slide relative to each other, and the arc chamfered surface 112 exerts a force perpendicular to the hook slope 243 on the hook portion 243 outward, and the rib portion 216 abuts against the step transition portion 246, limiting the outward translation movement of the hook portion 242, and the convex arc portion 241 will rotate counterclockwise in the curved surface receiving cavity 221, so that the hook portion 242 rotates counterclockwise outward, so that the flange 111 enters the insertion cavity 223, and the convex arc portion 241 rotates counterclockwise. When the pressing part 245 moves, it compresses the spring 23 inwards; when the flange 111 passes over the hook 214 and is inserted into place, the end face of the flange 111 abuts against the annular cavity wall 225, and the barb 242 is no longer subjected to an outward force, then the elastic force of the spring 23 pushes the pressing part 245 outwards, and at the same time, the convex arc part 241 rotates clockwise in the curved surface receiving cavity 221, so that the barb 242 rotates clockwise inwards and enters the barb groove 113, the barb 242 hooks the flange 111, and the barb inclined surface 243 fits with the inclined surface wall of the barb groove 113, thereby locking the plug assembly 2 and the socket assembly 1. In the locked state, the spring 23 has an outward thrust on the pressing part 24, and with the cooperation of the plug housing 21, the barb 242 tightly hooks the flange 111, which can enhance the connection firmness.

[0068] Please refer to Figure 8 and Fig. 9 In the unlocking operation of the electrical connector of the present invention, a pressure F is applied to the pressing portion 245, and the pressing portion 245 approaches the plug body 22, so that the spring 23 is compressed, and the convex arc portion 241 rotates counterclockwise in the curved receiving cavity 221, thereby causing the barb portion 242 to rotate counterclockwise outward and gradually disengage from the flange 111. When the barb portion 242 is completely disengaged from the flange 111, the locked state can be released and the plug assembly 2 can be pulled out.

[0069] According to another aspect of the utility model, a battery system is also provided, which has an electrical connector as described above, and the electrical connector is used to realize the electrical connection of the battery system and the transmission of electrical signals. The electrical connector eliminates the plug parts and the plug holes of the plug body in the traditional electrical connector, which can simplify the mold structure of the plug body, reduce the process difficulty and production cost, reduce the plug installation process, and improve production efficiency; adding a plug shell to the outside of the plug body can enhance the safety and aesthetics of the product and prevent parts from falling off; when the plug assembly is plugged into the socket assembly, the barb of the button clamps the flange of the socket body to achieve the locking function, and when unlocking, only the pressing part of the button needs to be pressed, and the convex arc part rotates in the curved receiving cavity, so that the barb is separated from the flange, and the plug assembly can be pulled out, which is simple and convenient to operate. The use of the above-mentioned electrical connector significantly improves the installation efficiency of the battery system, shortens the installation cycle, and reduces production costs.

[0070] The present invention has been described by the above-mentioned relevant embodiments, however, the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, any changes and modifications made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention.

Claims

1. An electrical connector, characterized in that: It comprises a socket assembly and a plug assembly, wherein the plug assembly is detachably plugged into the socket assembly; The socket assembly comprises a socket body, wherein the socket body is provided with a flange; The plug assembly includes a plug body, a spring and a button. The side wall of the plug body is provided with a curved receiving cavity. The button has a convex arc portion and a pressing portion and a barb portion respectively located on both sides of the convex arc portion. The convex arc portion is rotatably arranged in the curved receiving cavity. The spring is arranged between the button and the plug body. When the plug assembly is plugged into the socket assembly, the barb portion is engaged with the flange.

2. The electrical connector according to claim 1, wherein: The plug assembly also includes a plug shell, which is sleeved on the outside of the plug body. The plug shell has an opening for receiving the pressing portion and an inner wall for limiting the button. The inner wall abuts against or partially fits the button to keep the convex arc portion in the curved receiving cavity.

3. The electrical connector according to claim 2, wherein: The inner wall of the plug shell is provided with a hook, and the plug body has a hook groove corresponding to the hook. When the plug shell is sleeved on the outside of the plug body, the hook is engaged in the hook groove.

4. The electrical connector according to claim 2, wherein: The inner wall has a rib portion, the plug housing has a convex wall portion protruding therefrom, the rib portion is located on the inner side surface of the transition between the convex wall portion and the opening, and the inner side of the convex wall portion forms a cavity space for accommodating the barb portion.

5. The electrical connector according to claim 4, wherein: A step transition portion is formed between the pressing portion and the convex arc portion, and the step transition portion is located at the back side of the convex arc portion; the rib portion abuts against the step transition portion.

6. The electrical connector according to claim 2, wherein: A constricted portion is provided on the inner wall of one end of the plug housing close to the socket body, and the inner wall of the constricted portion is in contact with the outer wall of the socket body.

7. The electrical connector according to claim 1 or 2, characterized in that: The two sides of the convex arc portion are provided with convex points, and the inner walls of the two sides of the curved surface receiving cavity are correspondingly provided with grooves, and the convex points enter the corresponding grooves to keep the convex arc portion in the curved surface receiving cavity.

8. The electrical connector according to claim 1, wherein: A barb slope is provided on one side of the barb portion away from the convex arc portion, and an arcuate chamfered surface is provided on the outer edge of the end surface of the flange, and the arcuate chamfered surface is used to abut against the barb slope when the plug assembly is plugged into the socket assembly.

9. The electrical connector according to claim 8, wherein: The flange is axially concave to form a barb groove, and a side wall of the barb groove away from the flange is a sloped wall. When the plug assembly is plugged into the socket assembly, the barb portion is stuck in the barb groove, and the barb slope is parallel to or in contact with the sloped wall.

10. The electrical connector according to claim 1, wherein: The plug body is provided with a first spring groove, the inner side wall of the pressing portion is correspondingly provided with a second spring groove, and the spring is arranged in the first spring groove and the second spring groove.

11. The electrical connector according to claim 10, wherein: The central axis of the first spring groove is arranged along the radial direction of the plug body, and the central axis of the curved surface receiving cavity is perpendicular to the central axis of the plug body and the central axis of the first spring groove.

12. The electrical connector according to claim 1, wherein: An inserting cavity is provided inside the plug body, and the inserting cavity has an annular cavity wall. The central axis of the plug body is perpendicular to the plane where the annular cavity wall is located, and the end surface of the flange abuts against the annular cavity wall.

13. A battery system, characterized in that: The battery system has the electrical connector as claimed in any one of claims 1 to 12.

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