A replaceable prong power adapter
By setting a socket conductive structure and a pin conductive structure between the socket and the pin, utilizing the coordinated connection of the straight pin insert and the elastic limiter, and combining the interference fit of the wire post, the problem of unstable connection between the socket and the circuit board is solved, achieving a more stable electrical connection and a longer service life.
Patent Information
- Application Number
- CN201910935011.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-09-29
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2039-09-29
AI Technical Summary
Existing chargers with replaceable pins have problems such as unstable connection between the socket and the circuit board, and unstable connection between the pins and the socket, resulting in an unstable charging process and a short service life.
The socket conductive structure and the pin conductive structure are adopted. Through the coordinated connection of the straight pin insert and the elastic limiter, combined with the interference fit of the wire post, a stable electrical connection between the socket and the pin is achieved, and the electrical connection method between the socket and the circuit board is simplified.
A stable electrical connection between the socket and the pins is achieved, the service life is improved, and the stability and durability of the electrical connection between the socket and the circuit board are simplified.
Smart Images

Figure CN110635320B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of power adapters, and particularly relates to a power adapter with replaceable pins. BACKGROUND
[0002] The plugs of various countries are different, and there are plugs and sockets of various specifications including American specifications and British specifications, and the pins of the plugs are also different. In order to use a charger in different countries, a charger of a corresponding national specification must be carried, otherwise the socket cannot be used, which brings great inconvenience.
[0003] In the prior art, the electrical connection between the socket and the line board components of the charger socket with replaceable pins is achieved by welding wires, and the welding position is prone to poor electrical contact due to poor welding quality, so that the charging process is unstable, and the welding position is prone to disconnection after long-term use, and the quality cannot be guaranteed.
[0004] In addition, in the prior art, the pins and the socket are generally in contact with each other through protruding conductive springs and pin springs to achieve electrical connection. Since the conductive springs and the pin springs are only limited by the area between the external socket and the pin, unstable connection is prone to occur, which causes poor contact, unstable current and voltage during the charging process, and affects the service life. SUMMARY
[0005] Therefore, the application provides a power adapter with replaceable pins. The socket through structure and the pin through structure are provided, which can realize stable electrical connection between the socket and the pin, and can guarantee the stability of the structure. The application provides a power adapter with replaceable pins, which is more simplified, has stable electrical connection and internal structure connection, and can be simply disassembled and assembled between the pin and the socket.
[0006] The straight pin spring provided on the socket and the elastic limiting member provided on the pin are connected, so that stable electrical connection between the socket and the pin is realized. The second limiting groove provided in the socket is in interference fit with the wire column of the prior art, so that the electrical connection between the socket and the line board components is simplified, and the electrical connection is more stable and durable.
[0007] The technical scheme of the application is as follows:
[0008] A power adapter with replaceable pins comprises a socket and a pin, and the socket and the pin are connected, characterized in that the socket is provided with a socket through structure, the pin is provided with a pin through structure, and the socket through structure and the pin through structure are connected.
[0009] The straight pin spring comprises a connecting end and an arc-shaped end.
[0010] The socket through guide structure comprises a clamping fixing part, a baffle part and a connecting part connected in sequence, and the clamping fixing part, the baffle part and the connecting part are arranged in a gradient manner; the connecting part is provided with a fixing groove, and the fixing groove is fixedly connected with the connecting end of the straight pin plug-in piece; the clamping fixing part is connected with a clamping assembly.
[0011] The pin through guide structure comprises a connecting block, the connecting block is provided with a fixed back shell on one side, and the fixed back shell is provided with a first mounting groove on the opposite side; the connecting block is symmetrically provided with a second mounting groove, and the second mounting groove is correspondingly arranged at the end of the first mounting groove; in particular, the connecting block and the fixed back shell are fixed by ultrasonic wire cooperation, and the connecting block and the fixed back shell are secondarily fixed by screws in the middle part, so that the stability during use can be ensured, and the plug-in piece is anti-drop and long in service life.
[0012] The second mounting groove is provided with an elastic limiting piece, the arc-shaped end of the straight pin plug-in piece is arranged in the first mounting groove, and the arc-shaped end of the straight pin plug-in piece is connected with the elastic limiting piece in a matched mode.
[0013] In particular, the plug-in piece of the plug can be a plug-in piece of various specifications in the prior art, such as an American specification and a British specification. Users can replace different plug-in pieces according to different specifications of the plug to meet the use requirements of users when they go out for travel or go abroad.
[0014] Further, the connecting end comprises a first limiting groove, an L-shaped protruding part and a U-shaped protruding part, the L-shaped protruding part is arranged at the end of the connecting end, and the first limiting groove and the U-shaped protruding part are arranged on the two sides of the end of the connecting end respectively.
[0015] Further, the U-shaped protruding part is provided with a second limiting groove, and the second limiting groove is connected with a wire column, the wire column is a metal wire column in the prior art, and is fixedly connected with the end of the wire of the circuit board in the prior art, and the wire column is arranged in the second limiting groove in an interference mode, so that the straight pin plug-in piece and the circuit board are electrically connected.
[0016] In the application, the straight pin plug-in piece is arranged, on one hand, to enable the plug and the plug-in piece to be stably electrically connected, and on the other hand, to enable the straight pin plug-in piece to be fixedly connected with the wire column in the prior art in an interference mode, so that the electrical connection mode between the plug and the circuit board component is simplified, and the plug is more stable and durable.
[0017] Further, the fixing groove is provided with a first clamping block, the first limiting groove is connected with the first clamping block in a matched mode, and the L-shaped protruding part is fixedly connected with the fixing groove. In this way, the connecting end of the straight pin plug-in piece can be fixed in the fixing groove, and the connecting end and the connecting part can be fixedly connected.
[0018] Further, the clamping assembly comprises a clamping piece and a spring piece, the clamping piece comprises a pressing part, an elastic limiting part and a second clamping block, the pressing part is arranged above the elastic limiting part, and the second clamping block is arranged on one side of the elastic limiting part; the spring piece is connected with the elastic limiting part.
[0019] Further, the elastic limiting part comprises first connecting rods arranged on opposite sides and a second connecting rod arranged between the first connecting rods, and the ends of the first connecting rods are provided with buckles.
[0020] Further, the clamping fixing part is symmetrically provided with limiting guide grooves, connecting grooves are arranged between the limiting guide grooves, the first connecting rods are arranged in the limiting guide grooves, and the second connecting rods are arranged in the connecting grooves in cooperation with the spring piece.
[0021] In the application, the first connecting rods and the second connecting rods can be respectively inserted into the clamping fixing part along the limiting guide grooves and the connecting grooves, and are fixed through buckles, so that displacement of the elastic limiting part is avoided; or the elastic limiting part can be separated from the clamping fixing part by applying force to the buckles, so that installation is convenient.
[0022] Further, the pin is provided with a buckling groove, and the second clamping block can be detachably and fixedly connected with the buckling groove. Through the arrangement of the clamping assembly and the clamping fixing part, the second clamping block and the buckling groove of the pin can be fixedly connected and separated by applying force to the pressing part, so that replacement of the pin is facilitated.
[0023] Meanwhile, the straight pin blade of the socket can be detachably and fixedly connected with the first mounting groove and the second mounting groove of the pin, so that the overall connection stability between the pin and the socket is ensured.
[0024] Further, the second mounting groove is provided with guide blocks on opposite sides, and the guide blocks are in the form of protruding platforms. In the application, the guide blocks arranged on opposite sides in the second mounting groove can provide the function of guiding and positioning before the straight pin blade is connected with the elastic limiting piece, so that the straight pin blade is more smoothly inserted into the elastic limiting piece.
[0025] Further, the elastic limiting piece is partially arranged in the region between the guide blocks, through this arrangement, on the one hand, the elastic limiting piece can be limited and fixed, and on the other hand, under the action of the guide blocks, the elastic limiting piece can be prevented from being excessively deformed, so as to affect the electrical connection between the elastic limiting piece and the straight pin blade.
[0026] Further, the elastic limiting piece comprises a limiting part, a connecting part and a fixed baffle which are integrally and sequentially connected, the limiting part comprises a body, the horizontal cross section of the body is a hexagonal structure with an opening, the two ends of the opening are symmetrically connected with elastic pieces, and the lower ends of the elastic pieces are provided with elastic guide pieces.
[0027] Further, the elastic guide piece and the elastic piece are arranged in the region between the guide blocks, the guide blocks provide support force for the outer side of the elastic piece to avoid excessive deformation, and on the other hand, through the cooperation of the guide blocks and the elastic guide piece, the straight pin plug can be more easily installed.
[0028] Further, the opening of the body is bent towards each other, which can provide mechanical support for the elastic piece.
[0029] Further, the elastic guide pieces are arranged towards each other, and a V-shaped open channel is formed between the elastic guide pieces, forming a V-shaped channel outwardly, which facilitates the conductor straight pin plug to extend into the body and stably connect with the elastic limiting structure.
[0030] Further, the connecting part is a vertical connecting part or a bent connecting part, which can be arranged according to the connection position of the pin plug.
[0031] Further, the bent connecting part is an L-shaped bent connecting part.
[0032] Further, the fixed stop piece is provided with a connecting hole, in the present application, the fixed stop piece is provided with a connecting hole, which is fixedly connected with the pin assembly through a screw and realizes electrical communication. Different shapes of connecting holes can be arranged, which can be fixedly connected with the pin plug of different standards through a screw.
[0033] Further, an arc-shaped transition is arranged at the connection between the limiting part, the connecting part and the fixed stop piece, which can enhance the toughness and mechanical strength of the elastic limiting structure and avoid irreversible elastic deformation.
[0034] Further, the arc-shaped end extends into the limiting part along the guide block and the elastic guide piece in sequence.
[0035] The present application can be connected with the straight pin plug through the elastic limiting member arranged on the pin, so as to realize the electrical connection between the socket and the pin, and has a certain fixing effect, which can realize the disassembly and installation cooperation connection between the pin and the socket. At the same time, the straight pin plug is arranged on the socket, and the second limiting groove of the straight pin plug is fixedly connected with the existing lead column through interference fit, which simplifies the electrical connection mode between the socket and the circuit board component, and is more stable and durable. In addition, the straight pin plug can realize stable electrical connection between the socket and the pin. BRIEF DESCRIPTION OF DRAWINGS
[0036] Figure 1 It is a structural schematic diagram of the present application;
[0037] Figure 2 It is a partial structural schematic diagram of the present application;
[0038] Figure 3 is a schematic view of a partial structure of the present application;
[0039] Figure 4 is a schematic view of a partial structure of the present application;
[0040] Figure 5 is a schematic view of a partial structure of an embodiment of the present application;
[0041] Figure 6 is a schematic view of a partial structure of the present application;
[0042] Figure 7 is a schematic view of a partial structure of the present application;
[0043] Figure 8 is a schematic view of a partial structure of the present application;
[0044] Figure 9 is a schematic view of a partial structure of the present application;
[0045] Figure 10 is a schematic view of a partial structure of the present application;
[0046] Figure 11 is a schematic view of a partial structure of the present application;
[0047] Figure 12 is a schematic view of a partial structure of the present application;
[0048] Figure 13 is a schematic view of a partial structure of the present application;
[0049] Figure 14 is a schematic view of a partial structure of the present application;
[0050] Figure 15 is a schematic view of a partial structure of the present application;
[0051] Figure 16 is a schematic view of a partial structure of the present application;
[0052] Figure 17 is a schematic view of a partial structure of the present application;
[0053] Figure 18 is a schematic view of a partial structure of the present application;
[0054] Figure 19 is a schematic view of a partial structure of the present application;
[0055] Figure 20 is a schematic view of a partial structure of an embodiment of the present application;
[0056] Figure 21 is a schematic view of a partial structure of an embodiment of the present application;
[0057] Figure 22 A partial structure schematic view of an embodiment of the present application;
[0058] Figure 23 A partial structure schematic view of an embodiment of the present application;
[0059] Figure 24 A partial structure schematic view of an embodiment of the present application;
[0060] Figure 25 A partial structure schematic view of an embodiment of the present application;
[0061] Figure 26 A partial structure schematic view of an embodiment of the present application. DETAILED DESCRIPTION
[0062] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.
[0063] Embodiment 1
[0064] A replaceable pin power adapter 100, comprising a socket 10 and a pin 20, the socket is connected with the pin, characterized in that the socket is provided with a socket guide structure 1, the pin is provided with a pin guide structure 2, the socket guide structure is connected with the pin guide structure;
[0065] Further comprising a straight pin contact piece 4, the straight pin contact piece comprises a connecting end 41 and an arc-shaped end 42;
[0066] The socket guide structure 1 comprises a clamping fixing part 11, a baffle part 12 and a connecting part 13 connected in sequence, the clamping fixing part, the baffle part and the connecting part are arranged in a gradient manner; the connecting part is provided with a fixing groove 131, and the fixing groove is fixedly connected with the connecting end of the straight pin contact piece; the clamping fixing part is connected with a clamping assembly 5;
[0067] The pin guide structure 2 comprises a connecting block 21, the connecting block is provided with a fixed back shell 22 on one side, and the fixed back shell is provided with a first mounting groove 221 on the opposite side; the connecting block is symmetrically provided with a second mounting groove 211, and the second mounting groove is correspondingly arranged at the end of the first mounting groove;
[0068] The second mounting groove is provided with an elastic limiting piece 3, and the arc-shaped end of the straight pin contact piece is arranged in the first mounting groove and is connected with the elastic limiting piece.
[0069] Particularly, the pin plug of the application can be a variety of specifications such as American standard, British standard and the like.
[0070] Further, the U-shaped protruding part is internally provided with a second limiting groove 414, and a wire column (not marked) is connected to the second limiting groove, the wire column is a metal wire column, and is fixedly connected to the wire end of the line plate in the prior art, and the wire column is arranged in the second limiting groove in an interference manner, so that the direct pin plug and the line plate are electrically connected.
[0071] Further, the connecting end comprises a first limiting groove 411, an L-shaped protruding part 412 and a U-shaped protruding part 413, the L-shaped protruding part is arranged at the end of the connecting end, and the first limiting groove and the U-shaped protruding part are arranged at two sides of the end of the connecting end.
[0072] In the application, the direct pin plug is arranged, which can realize stable electrical connection between the socket and the pin, and can realize interference fit and fixed connection with the wire column in the prior art, thereby simplifying the electrical connection mode between the socket and the line plate components, and being more stable and durable.
[0073] Further, the first clamping block 132 is arranged in the fixing groove 131, and the first limiting groove is connected with the first clamping block; and the L-shaped protruding part is fixedly connected with the fixing groove.
[0074] Further, the clamping assembly 5 comprises a clamping piece 51 and a spring piece 52, the clamping piece comprises a pressing part 511, an elastic limiting part 512 and a second clamping block 513, the pressing part is arranged above the elastic limiting part, and the second clamping block is arranged at one side of the elastic limiting part; and the spring piece is connected with the elastic limiting part.
[0075] Further, the elastic limiting part comprises first connecting rods 5121 arranged at opposite sides, and a second connecting rod 5122 arranged between the first connecting rods, and the end of the first connecting rod is provided with a buckle 5123.
[0076] Further, the clamping fixing part 11 is symmetrically provided with limiting guide grooves 111, and a connecting groove 112 is arranged between the limiting guide grooves, the first connecting rod is arranged in the limiting guide groove, and the second connecting rod is arranged in the connecting groove in cooperation with the spring piece.
[0077] In the application, the first connecting rod and the second connecting rod can be respectively inserted into the clamping fixing part along the limiting guide groove and the connecting groove, and are fixed by the buckle, so as to avoid displacement of the elastic limiting part; or the elastic limiting part can be separated from the clamping fixing part by applying force to the buckle, so as to facilitate installation.
[0078] Further, the pin is provided with a buckling groove 20, and the second clamping block can be detachably fixedly connected with the buckling groove. Through the setting of the clamping assembly and the clamping fixing part, the fixed connection and separation of the second clamping block and the buckling groove of the pin can be realized by applying force to the pressing part, and the replacement of the pin is facilitated.
[0079] Meanwhile, the straight pin blade of the socket of the present application can be detachably connected with the first mounting groove and the second mounting groove provided on the pin, thereby ensuring the stability of the overall connection between the pin and the socket.
[0080] Further, the opposite side of the second mounting groove is provided with a guide block 212, which is in the form of a protruding platform. In the present application, the guide block provided on the opposite side of the second mounting groove can provide a guiding and positioning function before the straight pin blade is connected with the elastic limiting piece, so that the straight pin blade is more smoothly inserted into the elastic limiting piece.
[0081] Further, the elastic limiting piece 3 is partially arranged in the area between the guide blocks, and through this arrangement, on the one hand, the elastic limiting piece can be limited and fixed, and on the other hand, under the action of the guide blocks, the elastic limiting piece can be prevented from being excessively deformed, thereby affecting the electrical connection between the elastic limiting piece and the straight pin blade.
[0082] Further, the elastic limiting piece 3 comprises a limiting part 31, a connecting part 32 and a fixed baffle 33 which are integrally connected in sequence, the limiting part comprises a body 311, the horizontal cross section of the body is in the form of a hexagonal structure with an opening, the opposite ends of the opening are symmetrically connected with elastic pieces 312, and the lower end of each elastic piece is provided with an elastic guide piece 313.
[0083] Further, the elastic guide pieces and the elastic pieces are arranged in the area between the guide blocks, and on the one hand, the guide blocks provide support force to the outer side of the elastic pieces to prevent them from being excessively deformed, and on the other hand, through the cooperation of the guide blocks and the elastic guide pieces, the straight pin blade can be more easily installed.
[0084] Further, the opening of the body is bent towards the opposite side, and through this arrangement, the elastic pieces can be provided with mechanical support.
[0085] Further, the elastic guide pieces are arranged towards each other, and a V-shaped open channel is formed between the elastic guide pieces, thereby forming a V-shaped channel which is open to the outside, so as to facilitate the insertion of the conductor straight pin blade into the body and the stable connection with the elastic limiting structure.
[0086] Further, the connecting part is a vertical connecting part or a bent connecting part, which can be arranged according to the connection position of the pin blade.
[0087] Further, the bent connecting part is an L-shaped bent connecting part.
[0088] Further, the fixed baffle 33 is provided with a connecting hole 331, in the application, the fixed baffle is provided with a connecting hole, and is fixedly connected with the pin assembly through a screw, and electrical communication is realized.
[0089] Further, the connecting part between the limiting part, the connecting part and the fixed baffle is provided with an arc-shaped transition (not marked), and the arc-shaped transition can enhance the toughness and mechanical strength of the elastic limiting structure, and avoid irreversible elastic deformation.
[0090] Further, the arc-shaped end extends into the limiting part along the guide block and the elastic guide piece.
[0091] The application can be connected with the straight pin blade through the elastic limiting piece arranged on the pin, so that the socket and the pin are electrically connected, and have a certain fixing effect, and the pin and the socket can be disassembled and assembled.
[0092] Embodiment 2
[0093] The embodiment provides a replaceable pin power adapter which is consistent with the structure of embodiment 1, and different from the embodiment 1, the fixed baffle 33 is provided with a connecting hole 331, in the application, the fixed baffle is provided with a connecting hole, and is fixedly connected with the pin assembly through a screw, and electrical communication is realized.
[0094] Further, the connecting hole is a rectangular connecting hole.
[0095] The connecting hole can be provided in different shapes, and the blade of the pin of different standards can be fixedly connected through a screw.
[0096] Embodiment 3
[0097] The embodiment provides a replaceable pin power adapter which is consistent with the structure of embodiment 1, and different from the embodiment 1, the fixed baffle 33 is provided with a connecting hole 331, in the application, the fixed baffle is provided with a connecting hole, and is fixedly connected with the pin assembly through a screw, and electrical communication is realized.
[0098] Further, the connecting hole is a rectangular connecting hole provided with a circular groove.
[0099] The connecting hole can be provided in different shapes, and the blade of the pin of different standards can be fixedly connected through a screw.
[0100] Embodiment 4
[0101] The embodiment provides the replaceable pin power adapter consistent with the structure of the embodiment 1, different from which, the connecting hole 331 is arranged in the fixed baffle 33, in the application, the fixed baffle is provided with the connecting hole, is fixedly connected with the pin assembly through a screw, and electrical communication is realized.
[0102] Further, the connecting hole is a circular connecting hole provided with symmetrical arc grooves.
[0103] The connecting hole with different shapes is arranged, so that the blade of the pin with different standards can be fixedly connected through a screw.
[0104] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.
[0105] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand. It should be noted that the technical features not described in detail in the application can be realized by any existing technology.
Claims
1. A power adapter with replaceable pins, comprising a socket and a pin, wherein the socket and the pin are matched and connected, characterized in that: The socket is provided with a socket conductive structure, the pin is provided with a pin conductive structure, and the socket conductive structure is cooperatively connected with the pin conductive structure; Also included is a straight pin insert, the straight pin insert including a connecting end and a curved end; The socket conductive structure includes a snap-fitting portion, a baffle portion, and a connecting portion connected in sequence, wherein the snap-fitting portion, the baffle portion, and the connecting portion are arranged in a gradient; a fixing groove is provided in the connecting portion, and the connecting end of the straight pin plug is fixedly connected in the fixing groove; the snap-fitting portion is connected to a snap-fit assembly; The pin conducting structure includes a connecting block, a fixed back shell is provided on one side of the connecting block, and a first mounting groove is provided on the opposite side of the fixed back shell; the connecting block is symmetrically provided with a second mounting groove, and the second mounting groove is provided corresponding to the end of the first mounting groove; An elastic limiting member is provided in the second installation slot, and the arcuate end of the straight pin insert is provided in the first installation slot, and the arcuate end of the straight pin insert is cooperatively connected with the elastic limiting member; The clamping assembly includes a clamping member and a spring member. The clamping member includes a pressing portion, an elastic limiting portion, and a second clamping block. The pressing portion is arranged above the elastic limiting portion, and the second clamping block is arranged on one side of the elastic limiting portion. The spring member is cooperatively connected with the elastic limiting portion. The connecting end includes a first limiting groove, an L-shaped protrusion, and a U-shaped protrusion. The L-shaped protrusion is arranged at the end of the connecting end, and the first limiting groove and the U-shaped protrusion are respectively arranged on both sides of the end of the connecting end; a second limiting groove is provided in the U-shaped protrusion.
2. The power adapter with replaceable pins according to claim 1, characterized in that: A first clamping block is provided in the fixing groove, and the first limiting groove is matched and connected with the first clamping block; the L-shaped protrusion is matched and fixedly connected with the fixing groove.
3. The power adapter with replaceable pins according to claim 2, wherein: The elastic limiting portion includes a first connecting rod arranged on the opposite side and a second connecting rod arranged between the first connecting rods, and a buckle is provided at the end of the first connecting rod.
4. The power adapter with replaceable pins according to claim 3, characterized in that: The clamping fixing portion is symmetrically provided with limiting guide grooves, and a connecting groove is provided between the limiting guide grooves. The first connecting rod is arranged inside the limiting guide groove; the second connecting rod is arranged inside the connecting groove in cooperation with the spring member.
5. The power adapter with replaceable pins according to claim 1, wherein: The elastic limiting member includes a limiting portion, a connecting portion, and a fixed blocking piece that are connected in sequence as a whole. The limiting portion includes a main body. The horizontal cross-section of the main body is a hexagonal structure with an opening. The two ends of the opening are symmetrically connected with elastic pieces, and the lower end of the elastic piece is provided with an elastic guide piece.
6. The power adapter with replaceable pins according to claim 5, characterized in that: A guide block is provided on the opposite side of the second installation groove, and the guide block is arranged in a protruding platform shape; the elastic guide piece and the elastic piece are arranged in the area between the guide blocks.
7. The power adapter with replaceable pins according to claim 5, characterized in that: The openings of the body are bent toward each other; the elastic guide pieces are arranged toward each other, and a V-shaped opening channel is formed between the elastic guide pieces.
8. The power adapter with replaceable pins according to claim 5, characterized in that: The fixed blocking piece is provided with a connecting hole therein.
Citation Information
Patent Citations
Power adapter with replaceable pins
CN210576871U
Electric power feeder with changeable pin
CN2452175Y