Multifunctional power supply changeover plug

Abstract

The utility model discloses a multifunctional power supply changeover plug, which relates to the technical field of charging equipment and comprises a lower shell and an upper shell arranged on the lower shell, a charging circuit board is arranged between the lower shell and the upper shell, and two sides of the inner wall of each of the lower shell and the upper shell are respectively provided with a pair of shock pads I; a pair of mounting plugboards are inserted into the lower shell and the upper shell, an inner cover is fixedly connected to the mounting plugboards, fixed supporting rods are arranged on the inner side of the inner cover, and the charging circuit board is fixedly connected to the pair of fixed supporting rods; a plurality of folding rods are movably arranged on the fixed supporting rod, a first hook is fixedly connected to each folding rod, and second hooks with the same number as the first hooks are fixedly connected to the inner wall of the inner cover. According to the utility model, the technical problem that the durability of the change-over plug is reduced because the circuit board in the charging shell is easy to damage due to the fact that the circuit board has no effective buffer structure for buffer protection is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging equipment technical field, concretely is a multifunctional power conversion plug. BACKGROUND

[0002] As the disclosed patent with the publication number CN213845633U, conversion plug - from the literal understanding is to let a kind of plug conversion into another plug (such as telephone power plug, USB charging plug, computer power plug, general is the exchange action of power plug of each country). It is convenient for residents of different countries to use internationally. The placement position of conversion socket is usually not noticeable, so we will often accidentally touch the socket when using the conversion socket, leading to socket damage, so we need a conversion plug based on anti-collision function protective sleeve, the existing conversion plug structure is relatively simple, the conversion socket used is not installed with anti-collision device, which is easy to cause the conversion socket to be damaged during use, and the safety is not high.

[0003] In the above disclosed patent, although the protective sleeve with anti-collision function protects the outside of the conversion connector, the power conversion part, the charging detection part and the charging protection part inside the conversion plug are integrated on the charging circuit board, and the charging circuit board is fixed in the shell by screws. When the shell is accidentally dropped and collides, the circuit board in the shell is not effectively buffered by the buffering structure, which can easily cause damage to the circuit board module, thus reducing the durability of the conversion plug. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a technical scheme that can solve the above problems to overcome the above-mentioned shortcomings.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A multifunctional power conversion plug, comprising a lower shell and an upper shell arranged on the lower shell, a charging circuit board arranged between the lower shell and the upper shell, a pair of shock-absorbing pads arranged on both sides of the inner wall of the lower shell and the upper shell, a pair of mounting plugs inserted into the lower shell and the upper shell, an inner cover fixedly connected to the mounting plug, a fixed support arranged on the inner side of the inner cover, and the charging circuit board fixedly connected to the pair of fixed supports.

[0007] A plurality of folding rods are movably arranged on the fixed support, a hook one is fixedly connected to each folding rod, a hook two is fixedly connected to the inner wall of the inner cover, the number of the hook two is the same as that of the hook one, a shock-absorbing tension spring is hooked to the hook one and the hook two, a folding pressing assembly is arranged on the fixed support, and the folding pressing assembly is movably connected to the folding rod.

[0008] As a further scheme of the utility model: the inner wall of the lower shell and the upper shell is provided with a plug slot for installing the plug-in board.

[0009] As a further scheme of the utility model: the opposite ends of the pair of fixed support rods are fixedly connected with fixed plates, and the charging circuit board is fixedly connected on the fixed plates through screws.

[0010] As a further scheme of the utility model: the fixed support rod is provided with a folding groove, the folding rod is rotatably connected in the folding groove through a rotating shaft, and the hook one is fixedly connected on the folding rod.

[0011] As a further scheme of the utility model: the folding and pressing assembly comprises a pressing cap, the pressing cap is slidably connected on the fixed support rod, and the pressing cap is movably pressed with the folding rod, the inner side of the pressing cap is fixedly connected with a screw rod, the screw rod is threadedly connected on the other end of the fixed support rod, one end of the pressing cap is fixedly connected with a rotating plate, and the rotating plate is provided in a cross-shaped structure.

[0012] As a further scheme of the utility model: one side of the rotating plate is fixedly connected with a damping pad two.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] 1. The multifunctional power conversion plug of the utility model, through the installation plug-in board provided on the combined upper shell and lower shell, the structure on the installation plug-in board can be disassembled with the shell, the assembly is convenient, the elastic erection support for the charging circuit board is provided by the damping tension spring which is hooked and arranged in a ring shape on the fixed support rod and the inner cover, the charging circuit board is fixedly arranged on the pair of fixed support rods, when the whole conversion plug is impacted by external force, the damping tension spring can provide traction buffer in multiple directions for the charging circuit board, the vibration impact force transmitted to the charging circuit board by the buffer shell is buffered, and the service life of the charging circuit board is prolonged.

[0015] 2. The multifunctional power conversion plug of the utility model, through the installation plug-in board provided on the combined upper shell and lower shell, the structure on the installation plug-in board can be disassembled with the shell, the assembly is convenient.

[0016] 3. The multifunctional power conversion plug of the utility model, through the folding rod arranged on the fixed support rod, the hook one is fixedly arranged on the folding rod, the folding rod is unfolded at a certain angle, the damping tension spring is hooked, the folding and pressing assembly is used for synchronously pressing the position of the multiple folding rods, so that the folding rod is flush with the surface of the fixed support rod, the damping tension spring is quickly tensioned, and the stability of the whole structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structure perspective view of a multifunctional power conversion plug of the utility model;

[0018] Figure 2 is a split view of the utility model; Figure 1

[0019] Figure 3 is a structure perspective view of the utility model Figure 2 without the upper shell and the lower shell;

[0020] Figure 4 is a structure perspective view of the fixed support rod and the folding and pressing assembly of the utility model;

[0021] Figure 5 is a structure perspective view of the folding and pressing assembly of the utility model.

[0022] The reference signs and names in the drawings are as follows:

[0023] 1, lower shell;2, upper shell;3, charging circuit board;4, installation plugboard;5, inner cover;6, fixed support rod;7, folding rod;8, hook one;9, hook two;10, damping tension spring;11, folding and pressing assembly;111, pressing cap;112, screw rod;113, rotating plate;12, fixed plate;13, folding groove;14, damping pad two;15, damping pad one. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-5 ​The utility model provides a multifunctional power conversion plug, including lower shell 1 and the upper shell 2 of setting on lower shell 1, be provided with charging circuit board 3 between lower shell 1 and upper shell 2, the lower shell 1 and the upper shell 2 in the application can be fixed by bolt connection and realize the fixed assembling, the inner wall both sides of lower shell 1 and upper shell 2 are provided with a pair of shock pad no. 15, the position setting of shock pad no. 15 can provide the lateral shock absorption of charging circuit board 3, because charging circuit board 3 is suspended and is set between lower shell 1 and upper shell 2, then the side of charging circuit board 3 is relatively close to the inner side wall of the length direction of lower shell 1 or upper shell 2, then when charging circuit board 3 shock absorption appears lateral deviation, shock pad no. 15 can further realize the buffer protection, setting shock pad no. 15 on the inner side wall of lower shell 1 and upper shell 2, a pair of installation plugboard 4 are inserted on lower shell 1 and upper shell 2, and inner cover 5 is fixedly connected on installation plugboard 4, and fixed support rod 6 is arranged on the inner side of inner cover 5, and charging circuit board 3 is fixedly connected on a pair of fixed support rod 6.

[0026] The inner wall of lower shell 1 and upper shell 2 is provided with the insertion slot for the insertion of installation plugboard 4, the insertion slot is set, and lower shell 1 and upper shell 2 are fixed by bolt connection and realize the fixed assembling, so that the position of installation plugboard 4 can be quickly fixed, and the structure on installation plugboard 4 can satisfy the quick disassembly and assembly with lower shell 1 and upper shell 2.

[0027] The opposite ends of a pair of fixed support rod 6 are fixedly connected with fixed plate 12, and charging circuit board 3 is fixedly connected on fixed plate 12 by screw, and charging circuit board 3 fixedly arranged on fixed support rod 6 can have the protection of shock absorption and buffer by shock absorption and buffer to fixed support rod 6.

[0028] A plurality of folding rods 7 are movably arranged on fixed support rod 6, and hook no. 8 is fixedly connected on each folding rod 7, the position of hook no. 8 can be adjusted by the arrangement of folding rod 7, and the same number of hook no. 9 as hook no. 8 is fixedly connected on the inner wall of inner cover 5, shock absorbing tension spring 10 is hooked on hook no. 8 and hook no. 9, the hooking of shock absorbing tension spring 10 can be facilitated by adjusting hook no. 8 to the position of hook no. 9, a plurality of shock absorbing tension springs 10 arranged in the application can provide shock absorption support for the position of charging circuit board 3, when charging circuit board 3 is subjected to external force, a plurality of shock absorbing tension springs 10 can buffer the shock force at a plurality of angles to reduce the impact force on charging circuit board 3, and the slight jump of shock absorbing tension spring 10 in the application when shock absorbing does not affect the use of charging circuit board 3, folding pressing assembly 11 is arranged on fixed support rod 6, and folding pressing assembly 11 is movably connected with folding rod 7.

[0029] The folding groove 13 is arranged on the fixed support rod 6, the folding rod 7 is rotatably connected in the folding groove 13 through a rotating shaft, and the hook one 8 is fixedly connected on the folding rod 7; when the folding rod 7 in the folding groove 13, the damping tension spring 10 on the hook one 8 and the hook two 9 can be in a relatively tight state; in this process, the tight damping tension spring 10 also has a certain degree of elastic force, which can provide damping buffer; when the folding rod 7 is folded upwards to drive the hook one 8 to be close to the hook two 9, the damping tension spring 10 is relatively loose at this time, and the damping tension spring 10 is convenient to disassemble and assemble.

[0030] The folding and pressing assembly 11 comprises a pressing cap 111, the pressing cap 111 is slidably connected on the fixed support rod 6, and the pressing cap 111 is movably pressed with the folding rod 7; the inner side of the pressing cap 111 is fixedly connected with a screw rod 112, the screw rod 112 is threadedly connected on the other end of the fixed support rod 6; the other end of the fixed support rod 6 is provided with a screw groove for threadedly connecting the screw rod 112; one end of the pressing cap 111 is fixedly connected with a rotating plate 113, the rotating plate 113 is arranged in a cross-shaped structure, the rotating plate 113 can conveniently rotate the screw rod 112 on the pressing cap 111; the screw rod 112 can be screwed into the screw groove on the fixed support rod 6; the inside of the pressing cap 111 is hollow, so that the pressing cap 111 can move in the length direction of the fixed support rod 6 until the folding rod 7 on the fixed support rod 6 is pressed into the folding groove 13, so that the damping tension spring 10 can be pulled and limited to stabilize and buffer the subsequent damping of the charging circuit board 3.

[0031] One side of the rotating plate 113 is fixedly connected with a damping pad two 14; when the fixed support rod 6 is subjected to a larger vibration and appears a transverse displacement, the damping pad two 14 can play a transverse damping effect between the shell and the fixed support rod 6.

[0032] In use, the folding rod 7 is unfolded on the fixed support rod 6 to make the hook one 8 close to the hook two 9, so that a plurality of damping tension springs 10 can be sequentially hooked on the corresponding hook one 8 and hook two 9; then the pressing cap 111 can be rotated, the screw rod 112 is threadedly connected on the fixed support rod 6, so that the pressing cap 111 moves in the length direction of the fixed support rod 6 to press the folding rod 7 into the folding groove 13, so that the damping tension spring 10 can be tensioned, and the damping structure is completed installation; then the charging circuit board 3 is connected on the fixed plate 12 through a screw, and the installation plug-in board 4 is inserted on the upper shell 2 and the lower shell 1, and the upper shell 2 and the lower shell 1 are fixed through a bolt, so that the assembly of the whole conversion plug is completed; when the conversion plug is subjected to external impact force, the damping tension spring 10 can provide a plurality of direction traction buffer for the charging circuit board, and the position of the damping pad one 15 can provide a side damping buffer for the charging circuit board 3, so as to pass through the buffer shell to the charging circuit board 3 to transmit the vibration impact force, so as to improve the service life of the charging circuit board 3.

[0033] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims shall be construed as limiting the scope of the claims.

Claims

1. A multifunctional power conversion plug comprising a lower housing (1) and an upper housing (2) provided on the lower housing (1), a charging circuit board (3) being provided between the lower housing (1) and the upper housing (2), characterized in that, The inner wall of the lower shell (1) and the upper shell (2) is provided with a pair of shock pads (15) on both sides, the lower shell (1) and the upper shell (2) are inserted with a pair of mounting plug-in plates (4), the mounting plug-in plate (4) is fixedly connected with an inner cover (5), the inner side of the inner cover (5) is provided with a fixed support rod (6), and the charging circuit board (3) is fixedly connected on a pair of fixed support rods (6); A plurality of folding rods (7) are movably arranged on the fixed support rod (6), a hook (8) is fixedly connected on each folding rod (7), a same number of hooks (9) as the hooks (8) are fixedly connected on the inner wall of the inner cover (5), the hooks (8) and the hooks (9) are hooked with shock absorbing tension springs (10), the fixed support rod (6) is provided with a folding pressing assembly (11), and the folding pressing assembly (11) is movably connected with the folding rod (7).

2. The multi-functional power conversion plug according to claim 1, wherein, The inner wall of the lower shell (1) and the upper shell (2) is provided with a slot for mounting the plug-in plate (4).

3. The multi-functional power conversion plug of claim 1, wherein, The opposite ends of the pair of fixed support rods (6) are fixedly connected with fixed plates (12), and the charging circuit board (3) is fixedly connected on the fixed plates (12) by screws.

4. The multi-functional power conversion plug of claim 2, wherein, The fixed support rod (6) is provided with a folding groove (13), the folding rod (7) is rotatably connected in the folding groove (13) through a rotating shaft, and the hook (8) is fixedly connected on the folding rod (7).

5. The multi-functional power conversion plug of claim 4, wherein, The folding pressing assembly (11) comprises a pressing cap (111), the pressing cap (111) is slidably connected on the fixed support rod (6), and the pressing cap (111) is movably pressed with the folding rod (7), the inner side of the pressing cap (111) is fixedly connected with a screw rod (112), the screw rod (112) is threadedly connected on the other end of the fixed support rod (6), one end of the pressing cap (111) is fixedly connected with a rotating plate (113), and the rotating plate (113) is provided in a cross-shaped structure.

6. The multi-functional power conversion plug of claim 5, wherein, One side of the rotating plate (113) is fixedly connected with a shock pad (14).

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