Charger shell

Abstract

The utility model belongs to the technical field of charging equipment, and particularly relates to a charger shell which comprises a shell body, an upper cover is connected to the upper side of the shell body, a lower cover is connected to the lower side of the shell body, two circular grooves are formed in the lower side of the lower cover, limiting grooves are formed in the inner walls of the circular grooves, knobs are movably connected to inner cavities of the circular grooves, and the rotary knobs are connected with the upper cover and the lower cover. The outer side of the knob is connected with a limiting block, the lower side of the knob is connected with a plug piece, a through groove is formed in the outer side of the plug piece in a penetrating mode, a clamping assembly is installed in an inner cavity of the through groove, two USB holes are formed in the upper side of the upper cover in a penetrating mode, the lower sides of the USB holes are connected with USB interfaces, and the lower sides of the USB interfaces are connected with electronic elements. And through the arrangement of the clamping assembly, the mobile phone charger and the socket are fixed more firmly, and the mobile phone charger is prevented from loosening during use.

Description

Technical Field

[0001] The utility model relates to the technical field of charging equipment, in particular to a charger shell. Background Art

[0002] With the development of portable devices such as mobile phones, their functions are becoming more and more powerful and their power consumption is also increasing. Chargers for charging them have become necessary equipment in people's daily lives. Mobile phone chargers are composed of a stable power supply plus necessary constant current, voltage limiting, time limiting and other control electronic components.

[0003] When the plug is inserted into the socket, it will be squeezed and rubbed against the socket, causing the phosphor copper sheet used to fix the plug to be worn under the squeezing of the plug. Long-term use will also cause elastic fatigue of the phosphor copper sheet in the socket, resulting in performance degradation and weakening of the clamping force, which will cause the socket to be unable to fix the plug, making the mobile phone charger and the socket easily loose and fall off. Utility Model Content

[0004] The utility model aims to provide a charger housing to solve the problems of weakened clamping force and easy loosening and falling off proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes a shell, an upper cover is connected to the upper side of the shell, a lower cover is connected to the lower side of the shell, two circular grooves are provided on the lower side of the lower cover, a limiting groove is provided on the inner wall of the circular groove, a knob is movably connected to the inner cavity of the circular groove, a limiting block is connected to the outer side of the knob, a plug piece is connected to the lower side of the knob, a through groove is penetrated through the outer side of the plug piece, a snap-on assembly is installed in the inner cavity of the through groove, two USB holes are penetrated through the upper side of the upper cover, a USB interface is connected to the lower side of the USB hole, and an electronic component is connected to the lower side of the USB interface.

[0006] Preferably, the clamping assembly includes a connecting rod and a spring, the inner cavity of the through slot is connected to two connecting rods, a spring is connected between the two connecting rods, grooves are provided on the upper and lower sides of the connecting rod, and protrusions are connected to the upper and lower sides of the inner cavity of the through slot.

[0007] Preferably, a first bolt hole is formed through the lower side of the lower cover, a first bolt is connected to the lower side of the lower cover, and the other end of the first bolt passes through the first bolt hole and is connected to the housing.

[0008] Preferably, a second bolt hole is formed through the upper side of the upper cover, a second bolt is connected to the upper side of the upper cover, and the other end of the second bolt passes through the second bolt hole and is connected to the shell.

[0009] Preferably, two rectangular grooves are provided on the lower side of the lower cover, and the rectangular grooves match the plug pieces.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1) This solution uses the setting of the clamping assembly. When the mobile phone charger is installed on the socket, the elasticity of the spring applies force to the connecting rods on both sides. After the connecting rods are stressed, they apply force to the contact surface of the inner cavity of the socket, thereby increasing the clamping force and making the mobile phone charger and the socket more firmly fixed, thus preventing the mobile phone charger from loosening when in use;

[0012] 2) This solution uses a knob setting, and the rotation of the knob drives the rotation of the plug piece. The rotation of the plug piece can switch the mobile phone charger between the two-hole socket and the three-hole socket at will, avoiding the situation where the mobile phone charger cannot be used for charging when there is only a three-hole socket when it is needed. Through the setting of the rectangular groove, when the mobile phone charger is not in use, the two plug pieces are rotated to be parallel and folded in the direction of the rectangular groove to avoid the phosphor copper sheet of the plug piece from contacting with other objects, causing wear or damage, thereby affecting the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0016] Figure 4 It is a schematic diagram of the left side cross-sectional structure of the utility model;

[0017] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure in the middle.

[0018] In the figure: 1 housing, 2 upper cover, 3 lower cover, 4 round groove, 5 limit groove, 6 knob, 7 limit block, 8 plug piece, 9 through groove, 10 clamping assembly, 11 rectangular groove, 12 USB hole, 13 USB interface, 14 electronic component, 15 connecting rod, 16 spring, 17 groove, 18 protrusion, 19 first bolt hole, 20 first bolt, 21 second bolt hole, 22 second bolt. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] Example:

[0022] See also Figure 1-5 The utility model provides a technical solution: a charger shell, including a shell, an upper cover 2 is connected to the upper side of the shell 1, a lower cover 3 is connected to the lower side of the shell 1, two circular grooves 4 are arranged on the lower side of the lower cover 3, a limiting groove 5 is arranged on the inner wall of the circular groove 4, a knob 6 is movably connected to the inner cavity of the circular groove 4, a limiting block 7 is connected to the outer side of the knob 6, a plug piece 8 is connected to the lower side of the knob 6, through the cooperation of the limiting groove 5, the knob 6 and the limiting block 7, the mobile phone charger can be switched between a two-hole socket and a three-hole socket at will, a through groove 9 is arranged on the outer side of the plug piece 8, and a clamping assembly 10 is installed in the inner cavity of the through groove 9, The clamping assembly 10 includes a connecting rod 15 and a spring 16. The inner cavity of the through groove 9 is connected to two connecting rods 15, and a spring 16 is connected between the two connecting rods 15. After the plug piece 8 is inserted into the socket, the elasticity of the spring 16 exerts force on the connecting rods 15 on both sides. After the connecting rod 15 is stressed, it exerts force on the contact surface of the inner cavity of the socket, thereby increasing the clamping force, making the mobile phone charger more firmly fixed to the socket, and preventing the mobile phone charger from loosening when in use. Two USB holes 12 are provided on the upper side of the upper cover 2, and a USB interface 13 is connected to the lower side of the USB hole 12, and an electronic component 14 is connected to the lower side of the USB interface 13.

[0023] Among them, the clamping assembly 10 includes a connecting rod 15 and a spring 16, the inner cavity of the through slot 9 is connected to two connecting rods 15, a spring 16 is connected between the two connecting rods 15, grooves 17 are provided on the upper and lower sides of the connecting rod 15, and protrusions 18 are connected on the upper and lower sides of the inner cavity of the through slot 9. A first bolt hole 19 is penetrated and opened on the lower side of the lower cover 3, a first bolt 20 is connected to the lower side of the lower cover 3, the other end of the first bolt 20 penetrates the first bolt hole 19 and is connected to the shell 1, a second bolt hole 21 is penetrated and opened on the upper side of the upper cover 2, a second bolt 22 is connected to the upper side of the upper cover 2, the other end of the second bolt 22 penetrates the second bolt hole 21 and is connected to the shell 1, and two rectangular grooves 11 are provided on the lower side of the lower cover 3, and the rectangular grooves 11 match the plug piece 8.

[0024] Working principle: when the mobile phone charger is not in use, the two plug pieces 8 are rotated to be parallel and folded in the direction of the rectangular groove 11 to prevent the phosphor copper sheet of the plug piece 8 from contacting with other objects, causing wear or damage, thereby affecting the service life. When the mobile phone charger is in use, the two plug pieces 8 are pushed out of the rectangular groove 11. If the socket is a two-hole socket, the plug piece 8 is directly inserted into the socket for use. After the plug piece 8 is inserted into the socket, the elasticity of the spring 16 exerts force on the connecting rods 15 on both sides respectively. After the connecting rod 15 is stressed, it exerts force on the contact surface of the inner cavity of the socket, thereby increasing the clamping force, making the mobile phone charger and the socket more firmly fixed, thereby preventing the mobile phone charger from loosening when in use; if the socket is a three-hole socket, the plug piece 8 needs to be rotated by the limit groove 5, the knob 6 and the limit block 7, and rotated to the angle matching the three-hole socket, and then the plug piece 8 is inserted into the socket for use. Through the cooperation of the limit groove 5, the knob 6 and the limit block 7, the mobile phone charger can be switched between the two-hole socket and the three-hole socket at will, thereby avoiding the situation that the mobile phone charger cannot be used for charging when there is only a three-hole socket when it is needed.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A charger housing, comprising a housing (1), characterized in that: The upper side of the shell (1) is connected to an upper cover (2), and the lower side of the shell (1) is connected to a lower cover (3). Two circular grooves (4) are provided on the lower side of the lower cover (3). A limiting groove (5) is provided on the inner wall of the circular groove (4). A knob (6) is movably connected to the inner cavity of the circular groove (4). A limiting block (7) is connected to the outer side of the knob (6). A plug piece (8) is connected to the lower side of the knob (6). A through groove (9) is provided through the outer side of the plug piece (8). A snap-on assembly (10) is installed in the inner cavity of the through groove (9). Two USB holes (12) are provided through the upper side of the upper cover (2). A USB interface (13) is connected to the lower side of the USB hole (12). An electronic component (14) is connected to the lower side of the USB interface (13).

2. A charger housing according to claim 1, characterized in that: The clamping assembly (10) comprises a connecting rod (15) and a spring (16); the inner cavity of the through slot (9) is connected to two connecting rods (15); a spring (16) is connected between the two connecting rods (15); grooves (17) are provided on the upper and lower sides of the connecting rod (15); and protrusions (18) are connected to the upper and lower sides of the inner cavity of the through slot (9).

3. A charger housing according to claim 1, characterized in that: A first bolt hole (19) is formed through the lower side of the lower cover (3), a first bolt (20) is connected to the lower side of the lower cover (3), and the other end of the first bolt (20) passes through the first bolt hole (19) and is connected to the housing (1).

4. A charger housing according to claim 1, characterized in that: A second bolt hole (21) is formed through the upper side of the upper cover (2), a second bolt (22) is connected to the upper side of the upper cover (2), and the other end of the second bolt (22) passes through the second bolt hole (21) and is connected to the housing (1).

5. A charger housing according to claim 1, characterized in that: Two rectangular grooves (11) are provided on the lower side of the lower cover (3), and the rectangular grooves (11) match the plug piece (8).

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