CN116131048B

CN116131048B - A power adapter

Info

Publication number: CN116131048B
Application number: CN202310067932.7A
Authority: CN
Inventors: 林乐园; 郭智勇; 姚雨薇
Original assignee: Shenzhen Shengji Power Supply Co ltd
Current assignee: Shenzhen Shengji Power Supply Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2024-02-13
Anticipated expiration: 2043-02-06
Also published as: CN116131048A

Abstract

The invention relates to the technical field of power supplies, in particular to a power adapter, which includes a main housing and an auxiliary housing. The main housing is in a square shape, the cross-section of the auxiliary housing is in a semicircular shape, and the end of the inner upper part of the main housing is rounded. Shape, the main shell is installed with pins that rotate through the rounded corners; rotating boxes are embedded and installed on both sides of the main shell corresponding to the pins. The rotating box is a sector-shaped body with an opening at one end of the arc surface. The pins extend to the part outside the main shell and The opening of the rotating box is matched, and the end of the pin is provided with a bolt hole. The pin extends to the inside of the main housing, and a rotating drum is installed. The lower end of the rotating box is provided with a pin, and the rotating drum is rotationally connected to the rotating box through the pin. ; A stabilizing column is embedded in the middle of the outer ring surface of the rotating drum. This device is reasonably designed to suit most usage scenarios, and the split shell assembly structure can reduce the internal space occupied by the power adapter, improve heat dissipation efficiency, and further extend the service life.

Description

Power adapter

Technical Field

The invention relates to the technical field of power supplies, in particular to a power supply adapter.

Background

The power adapter is a power supply conversion device of small portable electronic equipment and electronic appliances, and generally consists of components such as a shell, a transformer, an inductor, a capacitor, a control IC, a PCB and the like, and the working principle of the power adapter is that alternating current input is converted into direct current output; the device can be divided into wall-inserted type devices and desktop type devices according to the connection mode, and is widely matched with security cameras, set top boxes, routers, lamp bars, massage devices and the like. Because the power adapter is an indispensable electrical component in people's life, electronic equipment such as cell-phone, computer or domestic appliance in people's daily life all need the power adapter, and as the electrical component that people's life used in a large number, the position of power adapter still need carry out the adaptation according to electronic equipment or domestic appliance's mounted position and socket, avoids appearing unable circular telegram phenomenon.

In the actual operation process, the power adapter cannot be normally inserted due to too small gap outside the socket, meanwhile, when the shell of the power adapter is assembled, the two shells are respectively connected with the cylinder body in a matched mode through the built-in bolt, but when the split power adapter is connected through the bolt and the cylinder body, the bolt and the cylinder body occupy more space inside the power adapter, the internal heat dissipation efficiency of the power adapter is affected, and the service life of the power adapter is reduced. For this reason, there is a need to propose an improvement for solving the above-mentioned problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a power adapter which can be adapted to most of use scenes, and a split type shell assembly structure can reduce the occupation of the internal space of the power adapter, improve the heat dissipation efficiency and further prolong the service life.

In order to achieve the above purpose, the invention adopts the following technical scheme: the power adapter comprises a main shell and an auxiliary shell, wherein the main shell is square, the section of the auxiliary shell is semicircular, the end part of the upper part of the inner side of the main shell is round-angle-shaped, and pins are rotatably arranged at positions penetrating through the round angles of the main shell;

the rotary box is a sector with an opening at one end of a cambered surface, the part of the pin extending out of the main shell is matched with the opening of the rotary box, a bolt hole is formed in the end part of the pin, a rotary drum is arranged in the pin extending to the main shell, a pin roll is arranged at the lower end of the rotary box, and the rotary drum is in rotary connection with the rotary box through the pin roll;

a maintenance column is embedded and installed in the middle of the outer ring surface of the rotary drum; the connecting part of the main shell and the auxiliary shell is respectively provided with a clamp sheet and a plugboard, the clamp sheet is U-shaped, the inner side end part of the clamp sheet is provided with a concave part, the plugboard is straight-plate-shaped, the outer side end part of the plugboard is provided with a convex part, and the clamp sheet is tightly matched with the convex part on the plugboard through the concave part;

the main shell and the auxiliary shell are open at one end far away from the pins, and a bottom cover is arranged on the main shell and the auxiliary shell together through the opening;

the main shell and the auxiliary shell are provided with a fixed ring through the inner edge of the opening, and the outer edge of the bottom cover is provided with a groove which is in full fit with the fixed ring;

the overall height of the main shell and the auxiliary shell after being installed is H, the overall length of the main shell and the auxiliary shell after being installed is M, and H is larger than M.

Preferably, the square hole is formed in the middle of the upper end of the rotary drum, the dimension stabilizing column is a T-shaped rubber column, the dimension stabilizing column is connected with the bottom of the square hole through a transverse column, and the end part of the vertical column of the dimension stabilizing column is in close contact with the inner wall of the main shell.

Preferably, the main shell and the auxiliary shell are internally provided with a PCB, a connecting sheet, an electrode sheet and a communicating sheet, and the PCB, the connecting sheet, the electrode sheet, the communicating sheet and the pins are electrically connected.

Preferably, the distance between the pin shaft and the inner wall of the main shell in the horizontal direction is 58mm, and the distance between the pin shaft and the inner wall of the main shell in the vertical direction is 40mm.

Preferably, a power line is installed in the middle of the lower end of the auxiliary shell, an incoming line protection cylinder is installed in the auxiliary shell corresponding to the power line, the incoming line protection cylinder is made of heat-conducting but non-conducting materials, and one end, penetrating through the inside of the incoming line protection cylinder, of the power line is electrically connected with the connecting sheet.

Preferably, the power line penetrates through the incoming line protection cylinder and extends to one end outside the main shell, and a right-angle elbow is sleeved on one end, connected with the outer wall of the main shell, of the power line.

Preferably, the outside cladding of vice casing has the protection casing, evenly distributed's anti-skidding line has all been seted up at the both ends of protection casing, the protection casing is kept away from the middle part of anti-skidding line and is run through there is the bleeder vent.

Preferably, the length of the pin is L, the length of the pin extending to the outer part of the main shell is L-58mm when the pin is in a vertical state, and the length of the pin extending to the outer part of the main shell is L-40mm when the pin is in a horizontal state.

Compared with the prior art, the invention has the following beneficial effects:

1. when the pins are in a vertical state, the length of the whole main shell and the whole auxiliary shell extending out of the socket is long, namely the space where the main shell and the auxiliary shell are located cannot be used for installing the power adapter, at the moment, the pins are only required to be rotated to be horizontal, the length of the whole body formed by the main shell and the auxiliary shell relative to the pins in the vertical state is shortened, and when the pins are inserted into the socket, the whole body of the main shell and the whole body of the auxiliary shell can be normally located between gaps where the main shell and the auxiliary shell are located, so that the use of most scenes is completed;

2. the inside electrical components such as PCB board can generate heat after the circular telegram, form the connection of "parallel" between clamp piece, the picture peg of main casing and auxiliary housing junction to reduce the purpose that occupies main casing and auxiliary housing inner space, the radiating effect when power adapter in-service use has reduced the thermal resistance of whole main casing and auxiliary housing inner space, promotes the heat transfer efficiency of the inside electrical components of main casing and auxiliary housing, thereby makes the heat reach the heat direct transfer through the connection of inlet wire protection section of thick bamboo and auxiliary housing that the heat can be quick, reaches the heat conduction radiating effect for this reason.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of a pin folding structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic bottom view of the folded portion of the present invention;

FIG. 5 is a schematic view of the bottom cover of the present invention in an unfolded configuration;

FIG. 6 is a cross-sectional block diagram of the present invention;

FIG. 7 is the illustration of FIG. 6 of the present inventionAAn enlarged view;

FIG. 8 is a schematic diagram of a split structure of a main housing and a sub-housing according to the present invention;

FIG. 9 is a schematic view of the unfolded structure of the protective cover of the present invention;

fig. 10 is an enlarged view of fig. 8 at B in accordance with the present invention.

In the figure: 1. a main housing; 2. a protective cover; 3. pins; 4. rotating the box; 5. a power line; 6. a bolt hole; 7. a PCB board; 8. an incoming line protection cylinder; 9. a rotating drum; 10. a pin shaft; 11. a connecting sheet; 12. an electrode sheet; 13. a bottom cover; 14. a fixing ring; 16. a sub-housing; 17. a clamp piece; 18. inserting plate; 19. a dimensional stability column; 20. ventilation holes; 21. anti-skid lines; 22. a right-angle elbow; 23. a recessed portion; 24. a boss.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.

1-10, a power adapter comprises a main casing 1 and an auxiliary casing 16, wherein the main casing 1 is square, the section of the auxiliary casing 16 is semicircular, the end part of the upper part of the inner side of the main casing 1 is round, and a pin 3 is rotatably arranged at a position where the main casing 1 penetrates through the round; the rotary box 4 is embedded and installed on two sides of the main shell 1 corresponding to the pin 3, the rotary box 4 is a sector with an opening at one end of a cambered surface, the part of the pin 3 extending out of the main shell 1 is matched with the opening of the rotary box 4, a bolt hole 6 is formed at the end part of the pin 3, the pin 3 extends into the main shell 1 and is internally provided with the rotary drum 9, the lower end of the rotary box 4 is provided with a pin shaft 10, and the rotary drum 9 is rotationally connected with the rotary box 4 through the pin shaft 10; a maintenance column 19 is embedded and arranged in the middle of the outer ring surface of the rotary drum 9; the connection part of the main shell 1 and the auxiliary shell 16 is respectively provided with a clamp sheet 17 and a plugboard 18, the clamp sheet 17 is U-shaped, the inner side end part is provided with a concave part 23, the plugboard 18 is straight-plate-shaped, the outer side end part is provided with a convex part 24, and the clamp sheet 17 is tightly matched with the convex part on the plugboard 18 through the concave part; the ends of the main shell 1 and the auxiliary shell 16, which are far away from the pins 3, are in an opening shape, and the main shell 1 and the auxiliary shell 16 are provided with a bottom cover 13 through the opening together; the main shell 1 and the auxiliary shell 16 are provided with a fixed ring 14 at the inner edge of the opening, and a groove matched with the fixed ring 14 is arranged at the outer edge of the bottom cover 13; the overall height of the main housing 1 and the sub-housing 16 after installation is H, the overall length of the main housing 1 and the sub-housing 16 after installation is M, and H is greater than M.

When in operation, the device comprises: when the power adapter is applied to different positions, the orientation of the pin 3 is adjusted according to the positions, so that the whole formed by the main shell 1 and the auxiliary shell 16 of the power adapter and the position of the socket are adjusted, when the pin 3 is in a vertical state, after the whole formed by the main shell 1 and the auxiliary shell 16 is communicated with the socket through the pin 3, the whole formed by the main shell 1 and the auxiliary shell 16 extends out of the socket to a longer length, namely, the space where the power adapter cannot be installed is caused, and only the pin 3 is required to be rotated to be horizontal, the length of the whole formed by the main shell 1 and the auxiliary shell 16 is shortened when the pin 3 is in a vertical state relative to the pin 3, and then the whole formed by the main shell 1 and the auxiliary shell 16 can be normally positioned between gaps at the positions when the pin 3 is inserted into the socket, so that the use of a large number of scenes is completed; in the use process of the power adapter, electric elements such as an internal PCB board and the like can generate heat after being electrified, and a clamp piece 17 and a plugboard 18 at the joint of the main shell 1 and the auxiliary shell 16 are connected in parallel, so that the purpose of occupying the internal space of the main shell 1 and the auxiliary shell 16 is reduced, and when heat generated by the electric elements in the power adapter is dissipated, the electric elements are blocked slightly, the heat dissipation effect of the power adapter is improved, and the service life of the power adapter is further prolonged.

Referring to fig. 4 of the specification, it can be known that the vertical column of the stabilizer 19 is tightly contacted with the inner wall of the main housing 1, and when the drum 9 rotates around the pin shaft 10, that is, the pin 3 changes direction, the end of the column of the stabilizer 19 made of rubber is tightly contacted with the inner wall of the main housing 1 and is in friction rotation movement, and the shape of the stabilizer 19 of rubber is changed after the tight contact, so that a fixing effect is formed between the stabilizer 19 and the main housing 1, and the purpose of stabilization is achieved.

In this embodiment, the use scenario in different slot depths is realized structurally through the difference of the lengths formed after the pin 3 rotates, and the pin 3 and the main housing 1 are relatively fixed through the arrangement of the dimension stabilizing column 19 no matter what direction the use scenario is in, and the insertion of the pin 3 is relatively stable and easy to operate.

In this embodiment, referring to fig. 4 and 6 of the drawings, a square hole is formed in the middle of the upper end of the drum 9, a dimension stabilizing column 19 is a "T" shaped rubber column, the dimension stabilizing column 19 is connected with the bottom of the square hole through a transverse column, the end of the vertical column of the dimension stabilizing column 19 is in close contact with the inner wall of the main housing 1, the main housing 1 and the auxiliary housing 16 are internally provided with a PCB 7, a connecting sheet 11, an electrode sheet 12 and a communication sheet, and the PCB 7, the connecting sheet 11, the electrode sheet 12 and the communication sheet are electrically connected with the pins 3.

In this embodiment, referring to fig. 6 of the drawings, the distance between the pin 10 and the inner wall of the main housing 1 in the horizontal direction is 58mm, the distance between the pin 10 and the inner wall of the main housing 1 in the vertical direction is 40mm, the length of the pin 3 is L, when the pin 3 is in the vertical state, the length of the pin 3 extending to the outer portion of the main housing 1 is L-58mm, and when the pin 3 is in the horizontal state, the length of the pin 3 extending to the outer portion of the main housing 1 is L-40mm. Because L-58mm is smaller than L-40mm, the length of the pin extending to the outside in the horizontal state can be determined to be longer, namely the space occupied by the whole main shell 1 and the auxiliary shell 16 is smaller, and the pin is beneficial to the use in a narrow space.

In this embodiment, the power cord 5 is installed in the middle of the lower end of the auxiliary housing 16, the auxiliary housing 16 corresponds to the power cord 5, the incoming wire protection tube 8 is made of heat conductive but non-conductive materials (heat conductive silica gel, heat conductive insulating elastic rubber, heat conductive filling rubber, etc.), one end of the power cord 5 penetrating into the incoming wire protection tube 8 is electrically connected with the connecting sheet 11, one end of the power cord 5 penetrating through the incoming wire protection tube 8 and extending to the outside of the main housing 1 is sleeved with the elbow 22, and the elbow 22 is connected with the outer wall of the main housing 1.

In the practical use process, the traditional vertical protruding mode of power cord and casing connection has the drawback of occupation space big, and the connected mode between this elbow 22 and the power cord 5 is favorable to whole power adapter to insert when locating the socket on the wall for when buckling between main casing 1, the auxiliary housing 16 on power cord and the power adapter, can not receive the influence.

In this embodiment, the outer part of the auxiliary housing 16 is covered with the protection cover 2, the two ends of the protection cover 2 are provided with evenly distributed anti-skid patterns 21, and the middle part of the protection cover 2 far away from the anti-skid patterns 21 is penetrated with ventilation holes 20.

Referring to fig. 7 of the specification, the ends of the main housing 1 and the sub-housing 16, which are far from the pins 3, are opened, and the main housing 1 and the sub-housing 16 are provided with a bottom cover 13 through the openings; the main casing 1 and the auxiliary casing 16 are provided with a fixing ring 14 at the inner edge of the opening, and a groove matched with the fixing ring 14 is arranged at the outer edge of the bottom cover 13.

When the maintenance and replacement of the electric components in the main casing 1 and the auxiliary casing 16 are performed, the bottom cover 13 is opened at first, the groove on the bottom cover 13 is separated from the fixing ring 14, the bottom cover 13 is separated from the main casing 1 and the auxiliary casing 16 by penetrating the power line 5, and the maintenance of the electric components in the main casing 1 and the auxiliary casing 16 is performed, so that a simpler and more convenient connection mode can be formed, and the disassembly and the assembly are simple and convenient.

The working principle of the invention is as follows:

when the power adapter is used, the orientation of the pin 3 is adjusted according to the position when the power adapter is applied to different positions, so that the whole formed by the main shell 1 and the auxiliary shell 16 of the power adapter and the position of the socket are adjusted, when the pin 3 is in a vertical state, after the whole formed by the main shell 1 and the auxiliary shell 16 is communicated with the socket through the pin 3, the whole formed by the main shell 1 and the auxiliary shell 16 extends out of the socket to a longer length, namely the space where the power adapter cannot be installed is caused, only the pin 3 is required to be rotated to enable the pin 3 to rotate to be horizontal, the length of the whole formed by the main shell 1 and the auxiliary shell 16 relative to the pin 3 is shortened when the pin 3 is in a vertical state, and when the pin 3 is inserted into the socket, the whole formed by the main shell 1 and the auxiliary shell 16 can be normally positioned between gaps in the positions, and the use of a large number of scenes is completed;

in the use process of the power adapter, electrical elements such as an internal PCB (printed circuit board) and the like generate heat after being electrified, and a clamp sheet 17 and a plugboard 18 at the joint of the main shell 1 and the auxiliary shell 16 are connected in parallel, specifically, a concave part on the clamp sheet 17 is matched with a convex part on the plugboard 18, and the clamp sheet 17 is U-shaped and matched with the plugboard 18, so that the effect of mutually tightly matched connection of the main shell 1 and the auxiliary shell 16 is achieved, the mutually overlapped connection mode is also formed, the occupation of the space at the joint of the main shell 1 and the auxiliary shell 16 is reduced, the purpose of expanding the space inside the main shell 1 and the auxiliary shell 16 is further achieved, and when the integral internal electrical elements formed by the main shell 1 and the auxiliary shell 16 generate heat and dissipate, the heat is less hindered, the heat dissipation effect of the power adapter is improved, and the service life of the power adapter is further prolonged;

to sum up: can adapt most application scenario, and split type shell package assembly can reduce the occupation of power adapter inner space, promotes heat dissipation efficiency, further promotion life.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A power adapter, characterized by: the novel socket comprises a main shell (1) and an auxiliary shell (16), wherein the main shell (1) is square, the section of the auxiliary shell (16) is semicircular, the end part of the upper part of the inner side of the main shell (1) is round-angle-shaped, and a pin (3) is rotatably arranged at the position of the main shell (1) penetrating through the round angle;

the rotary box (4) is embedded and installed on two sides of the main shell (1) corresponding to the pins (3), the rotary box (4) is a sector with one end being an opening, the part of the pins (3) extending out of the main shell (1) is matched with the opening of the rotary box (4), the end parts of the pins (3) are provided with bolt holes (6), a rotary drum (9) is installed in the main shell (1) and extends to the pin (3), a pin roll (10) is arranged at the lower end of the rotary box (4), and the rotary drum (9) is in rotary connection with the rotary box (4) through the pin roll (10);

a maintenance column (19) is embedded and arranged in the middle of the outer ring surface of the rotary drum (9); the connecting part of the main shell (1) and the auxiliary shell (16) is respectively provided with a clamp sheet (17) and a plugboard (18), the clamp sheet (17) is U-shaped, the inner side end part is provided with a concave part (23), the plugboard (18) is straight-plate-shaped, the outer side end part is provided with a convex part (24), and the clamp sheet (17) is tightly matched with the convex part on the plugboard (18) through the concave part;

one ends of the main shell (1) and the auxiliary shell (16) far away from the pins (3) are in an opening shape, and a bottom cover (13) is arranged on the main shell (1) and the auxiliary shell (16) together through the opening;

the main shell (1) and the auxiliary shell (16) are provided with a fixed ring (14) through the inner edge of the opening, and the outer edge of the bottom cover (13) is provided with a groove which is in full fit with the fixed ring (14);

the overall height of the main shell (1) and the auxiliary shell (16) after being installed is H, and the overall length of the main shell (1) and the auxiliary shell (16) after being installed is M, wherein H is larger than M.

2. The power adapter according to claim 1, wherein a square hole is formed in the middle of the upper end of the rotary drum (9), the dimension stabilizing column (19) is a T-shaped rubber column, the dimension stabilizing column (19) is connected with the bottom of the square hole through a transverse column, and the end part of the vertical column of the dimension stabilizing column (19) is in close contact with the inner wall of the main shell (1).

3. A power adapter according to claim 2, characterized in that the main housing (1) and the sub-housing (16) are internally provided with a PCB board (7), a connecting piece (11), an electrode sheet (12) and a communication sheet, and the PCB board (7), the connecting piece (11), the electrode sheet (12) and the communication sheet are electrically connected with the pins (3).

4. A power adapter according to claim 1, characterized in that the pin (10) is spaced 58mm from the inner wall of the main housing (1) in the horizontal direction, and the pin (10) is spaced 40mm from the inner wall of the main housing (1) in the vertical direction.

5. A power adapter according to claim 3, wherein the power cord (5) is mounted in the middle of the lower end of the sub-housing (16), the wire inlet protection barrel (8) is mounted in the sub-housing (16) corresponding to the power cord (5), the wire inlet protection barrel (8) is made of a heat conducting but non-conducting material, and one end of the power cord (5) penetrating into the wire inlet protection barrel (8) is electrically connected with the connecting sheet (11).

6. A power adapter according to claim 5, characterized in that the power cord (5) is provided with a right-angle bend (22) through one end of the incoming wire protection cylinder (8) extending outside the main housing (1), said right-angle bend (22) being connected to the outer wall of the main housing (1).

7. The power adapter according to claim 1, wherein the outer part of the auxiliary housing (16) is coated with a protective cover (2), two ends of the protective cover (2) are provided with evenly distributed anti-skid patterns (21), and the middle part of the protective cover (2) far away from the anti-skid patterns (21) is penetrated with ventilation holes (20).

8. A power adapter according to claim 4, wherein the pins (3) have a length L, the pins (3) extending to the outer part of the main housing (1) have a length L-58mm when the pins (3) are in the vertical state, and the pins (3) extending to the outer part of the main housing (1) have a length L-40mm when the pins (3) are in the horizontal state.