Easy to replace French plug

Abstract

This utility model belongs to the field of plug technology, and particularly relates to a replaceable French plug, including a plug body and a wire connector. One end of the plug body is provided with a mounting groove. Two guide grooves and a closed annular groove are arranged opposite each other on the inner side of the mounting groove. One end of each of the guide grooves communicates with the annular groove. Two guide protrusions are provided on the side of the wire connector near its end. The two guide protrusions slide along the two guide grooves into the annular groove and rotatably engage with it. A first electrical connecting piece is provided at the bottom of the mounting groove, and a second electrical connecting piece is provided at the end of the wire connector. The first and second electrical connecting pieces abut against each other. This structural design effectively improves replacement efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of plug technology, and in particular relates to a replaceable French plug. Background Technology

[0002] The widely used French plug (Type E plug) has significant deficiencies in maintainability and sustainability. The core problem lies in the irreparability or high-risk repair caused by its structural design. Specifically: First, the critical grounding pin is usually fixed by irreversible methods such as crimping, forceful insertion, or integral injection molding with the outer shell. Once this grounding pin is damaged by external impact, bending, or aging, replacement often requires destructively prying open the shell. Furthermore, the damaged original fixing structure (such as rivet holes or slots) cannot guarantee that the new grounding pin can be reliably and safely fixed in place, posing a risk of grounding failure or insufficient mechanical strength. Second, most Type E plugs use a one-piece injection-molded or ultrasonically welded sealed shell design. This non-removable structure completely encapsulates the internal wire connection points (screw terminals or solder joints) and possible precision safety baffle mechanisms. Therefore, when internal wires become loose, terminals corrode, insulation breaks, or safety baffles (such as springs or plastic parts) fail, users or repair personnel cannot open it for inspection or repair using conventional, non-destructive methods. Forced disassembly can easily cause permanent damage to the shell. Furthermore, a direct consequence of this design is that the power cord and plug cannot be replaced separately—whether the plug is damaged and the power cord needs to be kept, or vice versa, the entire component must be discarded. These inherent maintenance obstacles not only significantly increase user replacement costs but also generate unnecessary electronic waste due to the inability to repair or modularly replace the plug, violating the principles of sustainable development. Additionally, users attempting destructive repairs themselves may introduce serious electrical safety hazards (such as loss of grounding continuity and insufficient creepage distance). Therefore, using plugs in existing technology presents the technical problem of inconvenient replacement and maintenance. Utility Model Content

[0003] The purpose of this utility model is to provide a convenient French plug replacement method, aiming to solve the technical problem of inconvenient French plug replacement in the prior art.

[0004] To achieve the above objectives, this utility model provides a replaceable French plug, including a plug body and a wire connector. One end of the plug body has a mounting groove. Two guide grooves and a closed annular groove are arranged opposite each other on the inner side of the mounting groove. One end of each guide groove communicates with the annular groove. Two guide protrusions are provided on the side of the wire connector near its end. The two guide protrusions slide along the two guide grooves into the annular groove and rotatably engage with it. A first electrical connecting piece is provided at the bottom of the mounting groove, and a second electrical connecting piece is provided at the end of the wire connector. The first and second electrical connecting pieces abut against each other.

[0005] Preferably, the wire connector includes a fixed connector, a protective sleeve, and two connecting wires. The second electrical connecting piece is disposed on one side of the fixed connector. Both guide protrusions are disposed on the side of the fixed connector. One end of the protective sleeve is connected to the other end of the fixed connector, and the protective sleeve covers the end of the connecting wires. Both connecting wires are electrically connected to the second electrical connecting piece.

[0006] Preferably, both the first and second electrical connecting pieces have two contact surfaces on their sides. The two contact surfaces of the second electrical connecting piece are electrically connected to the two connecting wires, and the two contact surfaces of the first electrical connecting piece are electrically connected to the plug body.

[0007] Preferably, the fixing joint and the protective soft sleeve are integrally formed.

[0008] Preferably, the plug body includes an upper shell, a lower shell, a control component, and two contacts. One end of each of the two contacts extends downward through the bottom of the lower shell. The control component is installed in the lower shell, and the two contacts are located below the control component. One end of each of the two contacts is electrically connected to the control component. The mounting groove is located at the connection between the assembled upper shell and the lower shell. The first electrical connection piece is electrically connected to the control component. The upper shell covers the upper part of the lower shell.

[0009] Preferably, the control component includes a circuit board, a push button switch, a mounting base, a pressure rod, a control switch, a reset switch, two first contacts, and two second contacts. The mounting base is installed in the lower housing. The two contacts are disposed at the bottom of the mounting base. The two first contacts are disposed on both sides of the mounting base, with one end of each first contact extending upward and electrically connected to the circuit board, and the other ends of each first contact electrically connected to the two contacts respectively. One end of each second contact is disposed on the mounting base, with the ends of each second contact extending upward and electrically connected to the circuit board, and the other ends of each second contact extending below the connection point between the two first contacts and the circuit board. The pressure rod is vertically detachable in the mounting base, with its two pressure rods extending below the other ends of the two second contacts respectively. The pressure rod abuts against the bottom of the push button switch. The push button switch, the control switch, and the reset switch are all located above the circuit board, and the push button switch, the control switch, and the reset switch all extend upward through the upper housing.

[0010] Preferably, the mounting base is provided with a return spring, and the top end of the return spring abuts against the bottom of the pressure rod.

[0011] Preferably, the first contact includes an abutment plate, a first connecting plate, a second connecting plate, and a first extension plate. One end of the second contact extends below the abutment plate. One end of the first connecting plate is connected to the edge of the abutment plate and extends upward perpendicularly to the top plane of the abutment plate. The end of the first connecting plate is electrically connected to the circuit board. One end of the first extension plate is connected to the edge of the abutment plate and extends downward perpendicularly to the bottom plane of the abutment plate. The second connecting plate is connected to the side edge of the first extension plate and extends downward perpendicularly to the side of the first extension plate. The end of the second connecting plate is electrically connected to the contact element and engages with the mounting base.

[0012] Preferably, the second contact piece includes a third connecting plate, an arc-shaped plate, a U-shaped plate, and a second extension plate. The third connecting plate is connected to one end of the arc-shaped plate and extends upward perpendicularly to the top plane of the arc-shaped plate. The third connecting plate is electrically connected to the circuit board. One end of the U-shaped plate is connected to the other end of the arc-shaped plate, and the other end of the U-shaped plate is connected to one end of the second extension plate. The other end of the second extension plate extends to below the abutment plate. The two pressure rods of the two pressure rods extend to below the ends of the two second extension plates, respectively.

[0013] Preferably, the abutment plate and the second extension plate are respectively provided with a first contact member and a second contact member, the first contact member and the second contact member are arranged opposite to each other, the first contact member is installed on the bottom plane of the abutment plate, and the second contact member is disposed on the upper end surface of the second extension plate.

[0014] The above-mentioned technical solutions for the replaceable French plug provided in this utility model embodiment have at least one of the following technical effects: This utility model relates to a replaceable French plug, which is composed of a plug body and a wire connector. A mounting groove is formed on the terminal of the plug body. The mounting groove contains two guide grooves and an annular groove. The two guide grooves are located on the inner wall of the mounting groove and are positioned opposite each other. Each end of the guide groove connects to the opening and bottom of the mounting groove, respectively. The annular groove is closed on the inner side of the mounting groove near the bottom. The two guide grooves communicate with the annular groove. A first electrical connecting piece is located at the bottom of the mounting groove and is electrically connected to the plug body. A second electrical connecting piece is located on the end face of the wire connector. The first and second electrical connecting pieces... Electrical connection is achieved through the contact of the connecting pieces. Two guide protrusions are provided on the side of the wire connector near the end, with the angles of the two guide protrusions corresponding to the angles of the two guide grooves. In use, the second electrical connecting piece is aligned with the first electrical connecting piece, and the wire connector is operated so that the two guide protrusions correspond to the two guide grooves. The guide protrusions move along the guide grooves into the annular groove. The wire connector is then rotated so that the guide protrusions leave the opening end of the guide groove, thus achieving electrical connection between the wire connector and the plug body. The wire connector connects to the wire. With the above structural design, when the plug body or part of the wire connector is damaged, it can be restored to use simply by disassembling and replacing the damaged parts, effectively improving maintenance efficiency. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art 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.

[0016] Figure 1 The diagram illustrates the effect of a replaceable French plug provided in an embodiment of this utility model.

[0017] Figure 2 An exploded view of a replaceable French plug provided in an embodiment of this utility model.

[0018] Figure 3An artist's rendering of the plug body for easy replacement of French plugs provided in an embodiment of this utility model.

[0019] Figure 4 An illustration of the internal components of the replaceable French plug provided in an embodiment of this utility model.

[0020] Figure 5 A rendering of the first contact piece of the replaceable French plug provided in an embodiment of this utility model.

[0021] Figure 6 This is a rendering of the second contact piece of the replaceable French plug provided in an embodiment of the present invention.

[0022] The following are the labeling elements in the figure: 10—Wire connector; 11—Fixed connector; 12—Protective sleeve 13—Connecting cable; 20—Plug body; 21—Upper shell 22—Lower housing; 23—Control assembly; 24—Contact element 111—Guide protrusion; 112—Second electrical connection piece; 211—Mounting groove 212—First electrical connector; 231—Circuit board; 232—Push-button switch 233—Mounting base; 234—Pressure rod; 235—Control switch 236—Reset switch; 237—First contact; 238—Second contact 2111—Guide groove; 2112—Annular groove; 2331—Reset spring 2371—Abutting plate; 2372—First connecting plate; 2373—Second connecting plate 2374—First extension plate; 2375—First contact element; 2381—Third connecting plate 2382—Arc-shaped plate; 2383—U-shaped plate; 2384—Second extension plate 2385—Second contact element. Detailed Implementation

[0023] The embodiments of this utility model are described in detail below, with examples of the embodiments shown in the appendix. Figures 1-6 As shown, the same or similar reference numerals throughout denote the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain embodiments of the present invention, and should not be construed as limiting the present invention.

[0024] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "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 drawings. They are only for the convenience of describing the embodiments of 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.

[0025] Furthermore, 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 indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0026] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0027] In one embodiment of this utility model, such as Figures 1-3As shown, a replaceable French plug is provided, including a plug body 20 and a wire connector 10. The plug body 20 is assembled from an upper housing 21, a lower housing 22, a control component 23, and two contact members 24. After the upper housing 21 and the lower housing 22 are assembled, a mounting groove 211 is provided at the end connection position. The mounting groove 211 is provided with an annular groove 2112 and two guide grooves 2111. The annular groove 2112 is located at the bottom of the inner side of the mounting groove 211. The two guide grooves 2111 are arranged opposite to each other on the inner side of the mounting groove 2111, and one end of the guide groove 2111 communicates with the annular groove 2112. The other end of the guide groove 2111 passes through the opening plane of the mounting groove 2111. The wire connector 10 is connected along the two guide grooves. The groove 2111 is inserted into the mounting groove 211, and after rotation, it is engaged in the annular groove 2112. Two positioning protrusions are provided at intervals on the side of the section between the end openings of the two guide grooves 2111 in the annular groove 2112 to position the rotation of the wire connector 10 and prevent the wire connector 10 from easily shifting its angle after rotating to a certain angle. The first electrical connection piece 212 is installed in the mounting groove 211. One end of the contact 24 extends downward through the lower housing 22. The control component 23 is located above the contact 24 and is fixedly installed in the lower housing 22. The top end of the contact 24 is electrically connected to the control component 23, and the control component 23 is electrically connected to the first electrical connection piece 212.

[0028] like Figure 2 and Figures 4-6As shown, the control component 23 includes a circuit board 231, a push-button switch 232, a mounting base 233, a pressure lever 234, a control switch 235, a reset switch 236, two first contacts 237, and two second contacts 238. The mounting base 233 is fixedly installed in the lower housing 22, and is located between the upper housing 21 and the lower housing 22. The two contacts 24 are located below the mounting base 233. The circuit board 231 is fixedly installed on the top of the mounting base 233. The two first contacts 237 and the two second contacts 238 are all mounted on the mounting base 233, and the two first contacts 237 and the two second contacts 238 are respectively located on two non-adjacent contacts of the mounting base 233. On one side, one end of each of the two first contact pieces 237 and the two second contact pieces 238 is electrically connected to the circuit board 231. The other end of each of the two first contact pieces 237 is electrically connected to the ends of the two contact members 24, respectively. The other ends of each of the two second contact pieces 238 extend toward the two first contact pieces 237, and the ends of the first contact pieces 237 extend below the second contact pieces 238. Two pressure rods are provided on the side of the pressure rod member 234. The pressure rod member 234 is located at the junction of the first contact pieces 237 and the second contact pieces 238, and the two pressure rods extend below the ends of the second contact pieces 238 on both sides of the mounting base 233. The return spring 2331 is located below the pressure rod member 234. The bottom of the push button switch 231 abuts against the mounting base 233, and the top of the return spring 2331 abuts against the bottom of the pressure rod 234. A clearance hole is provided on the circuit board 231 at a position corresponding to the pressure rod 234. The moving end of the push button switch 232 passes through this clearance hole and abuts against the top of the pressure rod 234. When the push button switch 232 presses down on the pressure rod 234, the pressure rods at both ends of the pressure rod 234 move downwards. Due to its downward tilt, the free end of the second contact piece 238 tilts away from the first contact piece 237. The moving end of the push button switch 232 moves upwards, and the pressure rod 234 moves upwards under the action of the return spring 2331, causing the pressure rods at both ends of the pressure rod 234 to move upwards. Push the free ends of the two second contacts 238 upwards respectively, so that the free ends of the two second contacts 238 abut against the two first contacts 237 respectively, realizing the electrical connection between the first contacts 237 and the second contacts 238. The control switch 235 and the reset switch 236 are both located above the circuit board 231. Press the control switch 235 and the reset switch 236 to contact the circuit board 231 to control the circuit. The control switch 235 switches the circuit connection of the second contacts 238 on the circuit board 231. Together with the push button switch 232, it achieves double protection. The reset switch 236 controls the circuit connection of the first contacts 237 and the second contacts 238 with one button, quickly cutting off the circuit of the plug.

[0029] like Figure 2 and Figure 5As shown, the first contact piece 237 includes an integrally bent abutment plate 2371, a first connecting plate 2372, a second connecting plate 2373, and a first extension plate 2374. The first connecting plate 2372 and the first extension plate 2374 are both perpendicular to the abutment plate 2371. Two connecting portions extend from the same edge of the abutment plate 2371. The first connecting plate 2372 and the first extension plate 2374 are respectively connected to the edges of the two connecting portions. The first connecting plate 2372 extends upwards, and the first extension plate 2374 extends downwards. A first contact element 2375 is installed at the bottom of the abutment plate 2371. One end of the second contact piece 238 extends obliquely below the first contact element 2375. A pressure rod pushes the second contact piece 238 upwards. One end of the contact piece 238 abuts against the first contact member 2375. The second connecting plate 2373 is connected to the bottom of the first extension plate 2374 and extends downward. The sides of the second connecting plate 2373 and the first extension plate 2374 are perpendicular to each other. The second connecting plate 2373 consists of a snap-fit ​​part and an electrical connection part. One end of the snap-fit ​​part is perpendicularly connected to the first extension plate 2374. The snap-fit ​​part and the electrical connection part are perpendicular to each other and located on the same plane. The snap-fit ​​part is snapped into the mounting base 233. An auxiliary snap-fit ​​groove is provided on the top edge of the snap-fit ​​part. The free end of the electrical connection part is bent in a stepped shape towards the side of the first extension plate 2374. The free end of the electrical connection part is electrically connected to a contact member 24.

[0030] like Figure 2 and Figure 6 As shown, the second contact piece 238 includes an integrally bent third connecting plate 2381, an arc-shaped plate 2382, a U-shaped plate 2383, and a second extension plate 2384. One end of the arc-shaped plate 2382 and the second extension plate 2384 are respectively connected to the two ends of the opening of the U-shaped plate 2383. The opening of the U-shaped plate 2383 is set downward, and the U-shaped plate 2383 is snapped into the bottom of the mounting base 233. The bend chamfer of the U-shaped plate 2383 is set at 90°. The other ends of the two arc-shaped plates 2382 are bent and extended in a direction that approaches each other, and the two arc-shaped plates 2382 are located at the same level. On the surface, the third connecting plate 2381 is set perpendicular to the arc plate 2382. The third connecting plate 2381 is connected to the other end of the arc plate 2382. The third connecting plate 2381 extends upward and is electrically connected to the circuit board 231. The other end of the second extension plate 2384 extends downward at an angle to below the first contact member 2375. The second contact member 2385 is installed on the top plane of the free end of the second extension plate 2384. The pressure rod pushes the free end of the second extension plate 2384 to move upward so that the first contact member 2375 and the second contact member 2385 abut against each other to achieve electrical connection.

[0031] like Figures 1-2As shown, the wire connector 10 includes two connecting wires 13, an integrally formed fixed connector 11, and a protective sleeve 12. A second electrical connecting piece 112 is mounted on the end plane of the fixed connector 11. The fixed connector 11 extends into the mounting groove 211, so that the first electrical connecting piece 212 and the second electrical connecting piece 112 are tightly attached to achieve electrical connection. The protective sleeve 12 wraps around the end of the connecting wire 13, and the connecting wire 13 is electrically connected to the second electrical connecting piece 112. On the side of the fixed connector 11, guide protrusions 111 are set according to the number of guide grooves 2111 in the mounting groove 211. The guide protrusions 111 slide into the annular groove 2112 in the mounting groove 211 along the corresponding guide groove 2111. By rotating the fixed connector 11, the guide protrusions 111 move away from the opening of the guide groove 2111 and move in the annular groove 2112 until they are engaged between two spaced positioning protrusions, and the assembly is in place.

[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A replaceable French plug, characterized in that: The device includes a plug body and a wire connector. One end of the plug body is provided with a mounting groove. Two guide grooves and a closed annular groove are provided opposite to each other on the inner side of the mounting groove. One end of each of the two guide grooves is connected to the annular groove. Two guide protrusions are provided on the side of the wire connector near the end. The two guide protrusions slide along the two guide grooves and are rotatably engaged with the annular groove. A first electrical connecting piece is provided at the bottom of the mounting groove, and a second electrical connecting piece is provided at the end of the wire connector. The first electrical connecting piece and the second electrical connecting piece are abutted against each other.

2. The replaceable French plug according to claim 1, characterized in that: The wire connector includes a fixed connector, a protective sleeve, and two connecting wires. The second electrical connecting piece is disposed on one side of the fixed connector. Both guide protrusions are disposed on the side of the fixed connector. One end of the protective sleeve is connected to the other end of the fixed connector, and the protective sleeve covers the end of the connecting wires. Both connecting wires are electrically connected to the second electrical connecting piece.

3. The replaceable French plug according to claim 2, characterized in that: Both the first and second electrical connectors have two contact surfaces on their sides. The two contact surfaces of the second electrical connector are electrically connected to the two connecting wires, and the two contact surfaces of the first electrical connector are electrically connected to the plug body.

4. The replaceable French plug according to claim 2, characterized in that: The fixed joint and the protective soft sleeve are integrally formed.

5. The replaceable French plug according to claim 1, characterized in that: The plug body includes an upper shell, a lower shell, a control component, and two contacts. One end of each contact extends downward through the bottom of the lower shell. The control component is installed in the lower shell, and the two contacts are located below the control component. One end of each contact is electrically connected to the control component. The mounting groove is located at the connection between the assembled upper shell and the lower shell. The first electrical connection piece is electrically connected to the control component. The upper shell covers the upper shell.

6. The replaceable French plug according to claim 5, characterized in that: The control assembly includes a circuit board, a push-button switch, a mounting base, a pressure lever, a control switch, a reset switch, two first contacts, and two second contacts. The mounting base is installed in the lower housing. The two contacts are located at the bottom of the mounting base. The two first contacts are located on both sides of the mounting base, with one end of each first contact extending upward and electrically connected to the circuit board, and the other end of each first contact electrically connected to the two contacts. One end of each second contact is located on the mounting base, with the ends of each second contact extending upward and electrically connected to the circuit board, and the other ends of each second contact extending below the connection point between the two first contacts and the circuit board. The pressure lever is vertically detachable in the mounting base, with its two pressure rods extending below the other ends of the two second contacts. The pressure lever abuts against the bottom of the push-button switch. The push-button switch, the control switch, and the reset switch are all located above the circuit board, and all three extend upward through the upper housing.

7. The replaceable French plug according to claim 6, characterized in that: A return spring is provided on the mounting base, and the top end of the return spring abuts against the bottom of the pressure rod.

8. The replaceable French plug according to claim 6, characterized in that: The first contact includes an abutment plate, a first connecting plate, a second connecting plate, and a first extension plate. One end of the second contact extends below the abutment plate. One end of the first connecting plate is connected to the edge of the abutment plate and extends upward perpendicularly to the top plane of the abutment plate. The end of the first connecting plate is electrically connected to the circuit board. One end of the first extension plate is connected to the edge of the abutment plate and extends downward perpendicularly to the bottom plane of the abutment plate. The second connecting plate is connected to the side edge of the first extension plate and extends downward perpendicularly to the side of the first extension plate. The end of the second connecting plate is electrically connected to the contact element and engages with the mounting base.

9. The replaceable French plug according to claim 8, characterized in that: The second contact includes a third connecting plate, an arc-shaped plate, a U-shaped plate, and a second extension plate. The third connecting plate is connected to one end of the arc-shaped plate and extends upward perpendicularly to the top plane of the arc-shaped plate. The third connecting plate is electrically connected to the circuit board. One end of the U-shaped plate is connected to the other end of the arc-shaped plate, and the other end of the U-shaped plate is connected to one end of the second extension plate. The other end of the second extension plate extends to below the abutment plate. The two pressure rods of the two pressure rods extend to below the ends of the two second extension plates, respectively.

10. The replaceable French plug according to claim 9, characterized in that: The abutment plate and the second extension plate are respectively provided with a first contact member and a second contact member. The first contact member and the second contact member are arranged opposite to each other. The first contact member is installed on the bottom plane of the abutment plate, and the second contact member is disposed on the upper end surface of the second extension plate.

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