A waterproof and electric shock-proof power adapter

Abstract

The present invention provides a waterproof and electric shock-proof power adapter, comprising a housing, a charging output module, a power cord and a USB plug, wherein a first fixing plate and a second fixing plate are fixedly connected inside the housing, the charging output module is located on the upper surface of the first fixing plate, one end of the power cord is connected to the USB plug, and the other end of the power cord passes through the housing and is connected to the charging output module, and two plugs are fixedly connected to the bottom end of the housing, and the two plugs are electrically connected to the charging output module through the wires at their top ends. The invention is provided with a telescopic protective mechanism and a fixing mechanism. After use, the card plate is pressed to allow the protective cover to be automatically sleeved on the plug for protection, thereby avoiding wear and tear, extending the service life, and avoiding the danger of electric shock caused by the plug being wet. The operation is convenient and will not affect the use effect of the adapter.

Description

Technical Field

[0001] The invention relates to the technical field of power adapters, in particular to a waterproof and electric shock-proof power adapter. Background Art

[0002] A power adapter is a power supply conversion device for small portable electronic devices and electronic appliances. Its working principle is to convert AC input into DC output. It is also called an external power supply. It is a power supply voltage conversion device for small portable electronic devices and electronic appliances. It is commonly found in small electronic products such as mobile phones, LCD monitors and laptops. The structure of a power adapter mainly includes a shell, a plug, and a charging output module.

[0003] The plugs of general power adapters are usually exposed to the outside and are prone to wear. If the plugs are accidentally wet when inserted into the socket, it may cause electric shock, damage electronic products and adapters. At the same time, the sockets of some sockets do not match the plugs of the adapter, or the copper sheets inside some sockets are loose, which may cause the adapter to loosen when plugged into the socket, resulting in poor contact or the adapter falling off the wall socket. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a waterproof and electric shock-proof power adapter, which solves the problem that the plugs of the existing power adapters are generally exposed to the outside, which is prone to wear and tear, and when the plugs are accidentally wetted and inserted into the socket, electric shock may be caused, electronic products and the adapter may be damaged, etc. At the same time, the sockets of some sockets do not match the plugs of the adapters, or the copper sheets inside some sockets are loose, which may cause the adapter to become loose when plugged into the socket, resulting in poor contact, or the adapter may fall off the wall socket.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a waterproof and electric shock-proof power adapter, comprising a shell, a charging output module, a power cord and a USB plug, the inside of the shell is fixedly connected with a first fixing plate and a second fixing plate, the charging output module is located on the upper surface of the first fixing plate, one end of the power cord is connected to the USB plug, and the other end of the power cord passes through the shell and is connected to the charging output module, two plugs are fixedly connected to the bottom end of the shell, the two plugs are electrically connected to the charging output module through the wires at their top ends, the outer sleeves of the two plugs are provided with a telescopic protective mechanism, the top of the telescopic protective mechanism extends between the first fixing plate and the second fixing plate, the end of the shell close to the plug is provided with an adsorption mechanism, and the two ends of the adsorption mechanism are respectively provided with mobile positioning mechanisms.

[0008] Preferably, the telescopic protection mechanism includes protective sleeves respectively arranged on the outer surfaces of the two pins, a telescopic plate fixed on the top of the protective sleeve, two guide rods fixed between the first fixed plate and the second fixed plate, and a second spring sleeved on the outer surfaces of the two guide rods, the telescopic plate is slidably connected to the two guide rods, the two ends of the second spring are respectively fixedly connected to the lower surface of the first fixed plate and the upper surface of the telescopic plate, and fixing mechanisms are respectively arranged between the two symmetrical side walls of the telescopic plate and the outer shell.

[0009] Preferably, the fixing mechanism includes a fixing groove formed on the side wall of the telescopic plate, a first spring is arranged inside the fixing groove, one end of the first spring is fixed to the inner wall of the fixing groove, and the other end of the first spring is fixedly connected to a clamping plate, two symmetrical side walls of the shell close to the fixing groove are provided with clamping grooves, one end of the clamping plate is engaged with the clamping groove, and the cross-section of the end of the clamping plate engaged with the clamping groove is arc-shaped.

[0010] Preferably, a protective sheet is fixedly connected to the bottom end of the protective sleeve, a cutout is provided in the middle of the protective sheet, the protective sleeve is made of hard plastic, the protective sheet is made of flexible rubber, and both the protective sleeve and the protective sheet are transparent.

[0011] Preferably, the adsorption mechanism includes a movable plate, which is located inside the shell and below the second fixed plate, and a plurality of micro suction cups are fixedly connected to the lower surface of the outer surface of the movable plate, and a plurality of through holes are opened on the lower surface of the shell, and one end of the plurality of micro suction cups respectively passes through the plurality of through holes and extends to the outside of the shell.

[0012] Preferably, the movable positioning mechanism includes connecting blocks fixed on both sides of the two movable plates, and the two side walls of the shell close to the connecting blocks are provided with strip openings, one end of the connecting block extends through the strip opening to the outside of the shell and is fixedly connected to a movable block, and the two side walls of the connecting block are provided with semicircular protrusions, and the two side walls of the strip opening are respectively provided with a first semicircular groove and a second semicircular groove, the first semicircular groove is located directly above the second semicircular groove, and the semicircular protrusion is engaged with the first semicircular groove or the second semicircular groove.

[0013] Working principle: When in use, the operator observes through the protective cover and aligns the pin with the socket. When pressing down, the protective sheet is made of flexible rubber, so that the pin can pass through the protective sheet. At the same time, the second spring is compressed, so that the protective cover and the telescopic plate move upward. When the pin is inserted into the socket, the protective cover moves upward to the top, and at the same time, the card plate of the fixing mechanism reaches the card slot position. In the absence of external force, the first spring pushes the card plate to pop out from the card slot to fix the position of the telescopic plate and the protective cover. This can achieve that when the pin is inserted into the socket, the telescopic protective mechanism automatically When the socket and the pin of the plug board are loose, the moving blocks at both ends can be pressed to move the connecting block downward and slide inside the strip opening, and the micro suction plate can be extended from the inside of the through hole, and pressed downward to make the micro suction cup adsorbed on the plug board for fixation, thereby avoiding poor contact of the adapter or falling off the wall socket due to looseness. When use is completed, pull out the pin and press the card plate at the same time to disengage the card plate from the card slot. Under the action of the second spring, the protective cover is pushed out, so that the protective cover is extended and automatically covered on the pin, which has waterproof and protective effects.

[0014] (III) Beneficial effects

[0015] The invention provides a waterproof and electric shock-proof power adapter.

[0016] It has the following beneficial effects:

[0017] 1. The invention has a telescopic protective mechanism and a fixing mechanism. After use, the card plate is pressed to automatically put the protective cover on the plug for protection, thereby avoiding wear and tear, extending the service life, and avoiding the risk of electric shock caused by the plug getting wet. The operation is convenient and will not affect the use of the adapter.

[0018] 2. The invention provides an adsorption mechanism and a mobile positioning mechanism. When the socket and the adapter do not match or the copper sheet inside the socket is loose, the micro suction cup can be extended and adsorbed on the socket to fix it, thereby avoiding poor contact between the adapter and the socket or the adapter falling directly from the surface of the wall socket due to excessive looseness. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1A three-dimensional diagram of a waterproof and electric shock-proof power adapter;

[0020] Figure 2 It is an overall schematic diagram of a housing in a waterproof and electric shock-proof power adapter;

[0021] Figure 3 The internal structure diagram of a shell of a waterproof and electric shock-proof power adapter;

[0022] Figure 4 A top cross-sectional view of a housing of a waterproof and electric shock-proof power adapter;

[0023] Figure 5 The invention is an enlarged view of A in a waterproof and electric shock-proof power adapter.

[0024] Among them, 1. shell; 101. first fixing plate; 102. second fixing plate; 2. power cord; 3. USB plug; 4. fixing mechanism; 401. fixing groove; 402. first spring; 403. card plate; 404. card groove; 5. mobile positioning mechanism; 501. moving block; 502. strip mouth; 503. connecting block; 504. semicircular protrusion; 505. first semicircular groove; 6. latch; 7. telescopic protection mechanism; 701. protective cover; 702. protective sheet; 703. second spring; 704. guide rod; 705. telescopic plate; 8. adsorption mechanism;

[0025] 801, moving plate; 802, micro suction cup; 803, through hole; 9, charging output module; 10, wire. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Embodiment 1:

[0028] like Figure 1-3As shown, an embodiment of the present invention provides a waterproof and electric shock-proof power adapter, including a shell 1, a charging output module 9, a power cord 2 and a USB plug 3. The inside of the shell 1 is fixedly connected with a first fixing plate 101 and a second fixing plate 102, the charging output module 9 is located on the upper surface of the first fixing plate 101, one end of the power cord 2 is connected to the USB plug 3, and the other end of the power cord 2 passes through the shell 1 and is connected to the charging output module 9, two plugs 6 are fixedly connected to the bottom end of the shell 1, the two plugs 6 are electrically connected to the charging output module 9 through the wires 10 at the top ends thereof, a telescopic protective mechanism 7 is provided on the outside of the two plugs 6, and the top end of the telescopic protective mechanism 7 extends between the first fixing plate 101 and the second fixing plate 102, an adsorption mechanism 8 is provided at one end of the shell 1 close to the plug 6, and a movable positioning mechanism 5 is provided at both ends of the adsorption mechanism 8.

[0029] like Figure 3 As shown, the telescopic protection mechanism 7 includes a protective sleeve 701 respectively arranged on the outer surface of the two latches 6, a telescopic plate 705 fixed on the top of the protective sleeve 701, two guide rods 704 fixed between the first fixed plate 101 and the second fixed plate 102, and a second spring 703 sleeved on the outer surface of the two guide rods 704, the telescopic plate 705 is slidably connected to the two guide rods 704, the two ends of the second spring 703 are respectively fixedly connected to the lower surface of the first fixed plate 101 and the upper surface of the telescopic plate 705, and a fixing mechanism 4 is respectively arranged between the two symmetrical side walls of the telescopic plate 705 and the housing 1, which The middle guide rod 704 plays a guiding role, facilitating the telescopic protection mechanism 7 to be able to perform vertical telescopic movement. The bottom end of the protective sleeve 701 is fixedly connected to a protective sheet 702, and a cut is opened in the middle of the protective sheet 702. The protective sleeve 701 is made of hard plastic, and the protective sheet 702 is made of flexible rubber. Both the protective sleeve 701 and the protective sheet 702 are transparent. The protective sleeve 701 made of hard plastic is conducive to automatically retracting under the action of downward pressure when the pin 6 is inserted into the socket jack. At the same time, the protective sheet 702 made of flexible rubber can protect the pin 6 without hindering the extension of the pin 6.

[0030] like Figure 4 As shown, the fixing mechanism 4 includes a fixing groove 401 provided on the side wall of the telescopic plate 705, a first spring 402 is arranged inside the fixing groove 401, one end of the first spring 402 is fixed to the inner wall of the fixing groove 401, and the other end of the first spring 402 is fixedly connected to a clamping plate 403, two symmetrical side walls of the housing 1 close to the fixing groove 401 are provided with clamping grooves 404, one end of the clamping plate 403 is engaged with the clamping groove 404, and the cross-section of the end of the clamping plate 403 engaged with the clamping groove 404 is arc-shaped, which can position and fix the retracted protective cover 701, and avoid the protective cover 701 reacting to the socket under the action of the elastic force of the second spring 703, causing the plug 6 to separate from the socket.

[0031] like Figure 5 As shown, the adsorption mechanism 8 includes a movable plate 801, which is located inside the shell 1 and below the second fixed plate 102. A plurality of micro suction cups 802 are fixedly connected to the lower surface of the outer surface of the movable plate 801. A plurality of through holes 803 are opened on the lower surface of the shell 1. One ends of the plurality of micro suction cups 802 extend to the outside of the shell 1 through the plurality of through holes 803 respectively.

[0032] The mobile positioning mechanism 5 includes a connecting block 503 fixed on both sides of the two moving plates 801, and both side walls of the shell 1 close to the connecting block 503 are provided with a strip-shaped opening 502, one end of the connecting block 503 passes through the strip-shaped opening 502 and extends to the outside of the shell 1 and is fixedly connected with the moving block 501, and both side walls of the connecting block 503 are provided with a semicircular protrusion 504, and both side walls of the strip-shaped opening 502 are respectively provided with a first semicircular groove 505 and a second semicircular groove, and the first semicircular groove 505 is located directly above the second semicircular groove, and the semicircular protrusion 504 is engaged with the first semicircular groove 505 or the second semicircular groove, wherein when the semicircular protrusion 504 is engaged with the first semicircular groove 505, the adsorption mechanism 8 is in a state of being retracted into the shell 1 when not in use, and when the semicircular protrusion 504 is engaged with the second semicircular groove (not marked in the figure), the adsorption mechanism 8 is in a state of being extended in use (such as Figure 2 ).

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprising a reference structure" do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0034] 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 waterproof and electric shock-proof power adapter, comprising a housing (1), a charging output module (9), a power cord (2) and a USB plug (3), characterized in that: The shell (1) is internally fixedly connected with a first fixing plate (101) and a second fixing plate (102); the charging output module (9) is located on the upper surface of the first fixing plate (101); one end of the power cord (2) is connected to the USB plug (3), and the other end of the power cord (2) passes through the shell (1) and is connected to the charging output module (9); two plugs (6) are fixedly connected to the bottom end of the shell (1); the two plugs (6) are electrically connected to the charging output module (9) through the wires (10) at the top ends thereof; a telescopic protection mechanism (7) is sleeved on the outside of the two plugs (6); the top end of the telescopic protection mechanism (7) extends between the first fixing plate (101) and the second fixing plate (102); an adsorption mechanism (8) is provided at one end of the shell (1) close to the plug (6); and movable positioning mechanisms (5) are provided at both ends of the adsorption mechanism (8); The telescopic protection mechanism (7) comprises a protection sleeve (701) respectively arranged on the outer surface of the two latches (6), a telescopic plate (705) fixed on the top of the protection sleeve (701), two guide rods (704) fixed between the first fixed plate (101) and the second fixed plate (102), and a second spring (703) sleeved on the outer surface of the two guide rods (704), the telescopic plate (705) is slidably connected to the two guide rods (704), the two ends of the second spring (703) are respectively fixedly connected to the lower surface of the first fixed plate (101) and the upper surface of the telescopic plate (705), and a fixing mechanism (4) is respectively arranged between the two symmetrical side walls of the telescopic plate (705) and the housing (1); The fixing mechanism (4) comprises a fixing groove (401) provided on the side wall of the telescopic plate (705); a first spring (402) is arranged inside the fixing groove (401); one end of the first spring (402) is fixed to the inner wall of the fixing groove (401); and the other end of the first spring (402) is fixedly connected to a clamping plate (403); two symmetrical side walls of the housing (1) close to the fixing groove (401) are provided with clamping grooves (404); one end of the clamping plate (403) is clamped with the clamping groove (404); and the cross section of one end of the clamping plate (403) that is clamped with the clamping groove (404) is arranged in an arc shape; The adsorption mechanism (8) comprises a movable plate (801), the movable plate (801) being located inside the housing (1) and below the second fixed plate (102), a plurality of micro suction cups (802) being fixedly connected to the lower surface of the outer surface of the movable plate (801), a plurality of through holes (803) being provided on the lower surface of the housing (1), and one end of the plurality of micro suction cups (802) respectively passing through the plurality of through holes (803) and extending to the outside of the housing (1); The movable positioning mechanism (5) comprises a connecting block (503) fixed on both sides of the two movable plates (801); both side walls of the housing (1) close to the connecting block (503) are provided with a strip opening (502); one end of the connecting block (503) passes through the strip opening (502) and extends to the outside of the housing (1) and is fixedly connected to the movable block (501); both side walls of the connecting block (503) are provided with a semicircular protrusion (504); both side walls of the strip opening (502) are provided with a first semicircular groove (505) and a second semicircular groove; the first semicircular groove (505) is located directly above the second semicircular groove; and the semicircular protrusion (504) is engaged with the first semicircular groove (505) or the second semicircular groove.

2. A waterproof and electric shock-proof power adapter according to claim 1, characterized in that: The bottom end of the protective sleeve (701) is fixedly connected to a protective sheet (702), a cutout is provided in the middle of the protective sheet (702), the protective sleeve (701) is made of hard plastic, the protective sheet (702) is made of flexible rubber, and both the protective sleeve (701) and the protective sheet (702) are transparent.

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