Waterproof power adapter

Abstract

The utility model provides a waterproof power adapter. The waterproof power adapter comprises an adapter main body, a power line and a fastener, the adapter main body comprises a shell, and the shell is provided with a wire through hole; the power line is provided with an insertion end, the insertion end is inserted into the line through hole, the power line is provided with a boss, the boss is clamped on the line through hole, and a first sealing ring is arranged between the shell and the power line; the buckling piece is inserted into the insertion end, and the boss and the buckling piece jointly clamp the edge of the wire through hole so as to fix the power line; a good waterproof effect can be achieved on the joint between the power line and the adapter main body, and the problem that water enters the shell from the joint between the power line and the adapter main body and damages a circuit board in the shell is avoided.

Description

TECHNICAL FIELD

[0001] The embodiment of the present application relates to the field of shower power adapter, in particular to a waterproof power adapter. BACKGROUND

[0002] The shell of the power adapter is provided with a wire passing hole, and the power cord enters the inside of the shell through the wire passing hole and is connected with the circuit board in the inside of the shell. However, there is a gap between the wire passing hole and the power cord, and water can easily enter the inside of the shell from the gap between the wire passing hole and the power cord, which can affect the circuit board in the inside of the shell and shorten the service life of the circuit board. CONTENT OF THE UTILITY MODEL

[0003] The following is a summary of the subject matter described in detail in this document. This summary is not intended to limit the scope of protection of the claims.

[0004] The purpose of the present application is to solve one of the problems in the related art to some extent. The embodiment of the present application provides a waterproof power adapter which can achieve good waterproof effect on the connection between the power cord and the adapter main body.

[0005] The embodiment of the present application provides a waterproof power adapter, which comprises:

[0006] An adapter main body, wherein the adapter main body comprises a shell, and the shell is provided with a wire passing hole;

[0007] A power cord, wherein the power cord is provided with an insertion end, the insertion end is inserted into the wire passing hole, the power cord is provided with a boss, the boss is clamped on the wire passing hole, and a first sealing ring is arranged between the shell and the power cord.

[0008] A buckle member, wherein the buckle member is inserted on the insertion end, and the boss and the buckle member jointly clamp the edge of the wire passing hole to fix the power cord.

[0009] According to certain embodiments of the present application, both sides of the insertion end are provided with insertion grooves, both sides of the buckle member are provided with insertion pins, the insertion pins are correspondingly inserted into the insertion grooves, and the insertion pins on both sides clamp the power cord.

[0010] According to certain embodiments of the present application, the insertion pins are provided with protruding hook members at the ends, and the hook members of the two insertion pins are oppositely arranged.

[0011] According to certain embodiments of the present application, the insertion end is provided with a flat cutting surface, the flat cutting surface is vertically arranged with the insertion grooves, and the hook members of the two insertion pins hook the flat cutting surface.

[0012] According to certain embodiments of the present application, the edge of the buckle member is provided with a protruding reinforcing strip, and the reinforcing strip is vertically arranged with the buckle member.

[0013] According to certain embodiments of the present application, the boss is arranged on the outer side surface of the power cord in the circumferential direction of the power cord.

[0014] According to certain embodiments of the present application, the shell comprises a first shell and a second shell, the first shell buckling on the second shell to form a containing cavity, and the containing cavity being provided with a circuit board.

[0015] According to certain embodiments of the present application, the junction of the first shell and the second shell is provided with a second sealing ring.

[0016] According to certain embodiments of the present application, the first shell is provided with a buckle ring, and the inner side of the second shell is provided with a buckling piece which is inserted into the buckle ring.

[0017] According to certain embodiments of the present application, the first shell and the second shell are connected by means of a convex tooth and a concave groove.

[0018] The above scheme has at least the following beneficial effects: through the cooperation of the boss of the power cord and the buckling piece, the first sealing ring can tightly adhere to the wire hole, and the connection between the power cord and the adapter body can be well waterproofed, avoiding the problem that water enters the inside of the shell from the connection between the power cord and the adapter body and damages the circuit board inside the shell. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the technical scheme of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the technical scheme of the present application, and do not constitute a limitation on the technical scheme of the present application.

[0020] Figure 1 is a structural diagram of a waterproof power adapter provided by the embodiments of the present application;

[0021] Figure 2 is an exploded view of a waterproof power adapter provided by the embodiments of the present application;

[0022] Figure 3 is a structural diagram of a power cord provided by the embodiments of the present application;

[0023] Figure 4 is a structural diagram of a buckling piece provided by the embodiments of the present application;

[0024] Figure 5 is another structural diagram of a waterproof power adapter provided by the embodiments of the present application;

[0025] Figure 6 is a sectional view of a waterproof power adapter provided by the embodiments of the present application. DETAILED DESCRIPTION

[0026] In order to make the purposes, technical solutions and advantages of the present application clearer, the present application will be further described in details below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be used to limit the present application.

[0027] It should be noted that although the functional modules are divided in the device schematic diagram and the logical sequence is shown in the flowchart, in some cases, the steps shown or described can be executed in a manner different from the module division in the device or the sequence in the flowchart. The terms "first", "second", etc. in the specification, claims or above-described drawings are used to distinguish similar objects, and do not necessarily describe a specific sequence or chronological order.

[0028] The embodiments of the present application will be further described below with reference to the accompanying drawings.

[0029] The embodiments of the present application provide a waterproof power adapter.

[0030] The waterproof power adapter comprises an adapter main body, a power cord 200 and a buckle 300.

[0031] Reference Figure 1 and Figure 2 The adapter main body comprises a shell 100, and the shell 100 is provided with a wire passing hole 122; the power cord 200 is provided with an insertion end 210, the insertion end 210 is inserted into the wire passing hole 122, the power cord 200 is provided with a boss 240, the boss 240 is clamped on the wire passing hole 122, and a first sealing ring 400 is arranged between the shell 100 and the power cord 200; the buckle 300 is inserted on the insertion end 210, and the boss 240 and the buckle 300 jointly clamp the edge of the wire passing hole 122 to fix the power cord 200.

[0032] In this embodiment, when the power cord 200 is installed on the adapter main body, the first sealing ring 400 is first sleeved on the insertion end 210, the first sealing ring 400 is clamped on the boss 240, then the insertion end 210 is inserted into the wire passing hole 122 of the shell 100, the first sealing ring 400 is clamped between the wire passing hole 122 and the boss 240, and the first sealing ring 400 plays a sealing role on the connection between the power cord 200 and the adapter main body; the buckle 300 is inserted on the insertion end 210, and the boss 240 and the buckle 300 jointly clamp the edge of the wire passing hole 122 to fix the power cord 200.

[0033] When the power cord 200 is detached from the adapter main body, the buckle 300 is first detached from the insertion end 210, then the power cord 200 is pulled out of the wire passing hole 122, and the first sealing ring 400 is detached from the insertion end 210.

[0034] The power line 200, the buckle 300 and the adapter main body are very convenient to disassemble and assemble.

[0035] In addition, a circular groove is arranged on the outer side of the shell 100 corresponding to the position of the wire passing hole 122, which is used to accommodate the first sealing ring 400, so that the first sealing ring 400 can better fit the wire passing hole 122 and better play a sealing role on the connection between the power line 200 and the adapter main body, avoiding the problem that water enters the inside of the shell 100 from the connection between the power line 200 and the adapter main body and damages the circuit board 500 inside the shell 100.

[0036] Through the cooperation of the boss 240 of the power line 200 and the buckle 300, the first sealing ring 400 can tightly fit the wire passing hole 122, and can play a good waterproof effect on the connection between the power line 200 and the adapter main body.

[0037] Referring to Figure 3 The two sides of the insertion end 210 are respectively provided with insertion grooves 220. The buckle 300 includes a horizontal bar 310 and two insertion pins 320, the two sides of the horizontal bar 310 are respectively provided with the insertion pins 320, the insertion pins 320 are correspondingly inserted into the insertion grooves 220, and the two sides of the insertion pins 320 clamp the power line 200.

[0038] In this embodiment, when the buckle 300 is installed to the insertion end 210, the two insertion pins 320 are respectively aligned with the two insertion grooves 220, the insertion pins 320 are moved towards the insertion end 210, so that the insertion pins 320 are completely inserted into the insertion grooves 220, and the horizontal bar 310 abuts against the insertion end 210. The two sides of the insertion pins 320 clamp the insertion end 210 of the power line 200, so that the buckle 300 is stably installed to the insertion end 210.

[0039] It can be understood that the outer side of the insertion pin 320 protrudes from the insertion groove 220 and can abut against the edge of the wire passing hole 122, so that the insertion pin 320 of the buckle 300 can clamp the edge of the wire passing hole 122 together with the boss 240 to fix the power line 200.

[0040] The end of the insertion pin 320 is provided with a protruding hook 330, and the hooks 330 of the two insertion pins 320 are oppositely arranged. The buckle 300 can be more stably fixed to the insertion end 210 through the hook 330.

[0041] Two flat cutting surfaces 230 are arranged on both sides of the insertion end 210, and the two flat cutting surfaces 230 are arranged perpendicularly to the insertion slot 220. When the buckle 300 is installed to the insertion end 210, the prongs 320 are completely inserted into the insertion slot 220, and the horizontal bar 310 is pressed against the insertion end 210, the hooks 330 of the two prongs 320 hook the flat cutting surfaces 230. By pressing the horizontal bar 310 against one flat cutting surface 230, the hooks 330 of the two prongs 320 hook the other flat cutting surface 230, so that the buckle 300 cannot move forward and backward along the insertion slot 220 when it is installed to the insertion end 210, and the buckle 300 can be more stably fixed to the insertion end 210.

[0042] By arranging two opposite flat cutting surfaces 230, the prongs 320 can press the horizontal bar 310 against one flat cutting surface 230, and the hooks 330 of the prongs 320 hook the other flat cutting surface 230, no matter whether the prongs 320 are inserted into the insertion slot 220 from the positive direction or the reverse direction.

[0043] Referring to Figure 4 The edge of the buckle 300 is provided with a protruding reinforcing bar 340, and the reinforcing bar 340 is arranged perpendicularly to the buckle 300; the reinforcing bar 340 plays a role in strengthening the strength of the buckle 300. The horizontal bar 310 of the buckle 300 is provided with a reinforcing bar 340, and the prongs 320 of the buckle 300 are provided with a reinforcing bar 340; when the prongs 320 are inserted into the insertion slot 220, the reinforcing bar 340 of the prongs 320 is located outside the insertion slot 220.

[0044] In addition, when it is necessary to pull out the buckle 300 from the insertion end 210, the protruding buckle 300 is convenient for the user to grab the buckle 300; by grabbing the reinforcing bar 340 on the horizontal bar 310 of the buckle 300, the buckle 300 can be more easily pulled out from the insertion end 210.

[0045] The boss 240 is arranged on the outer side surface of the power cord 200 along the circumference of the power cord 200. The boss 240 clamps the part of the power cord 200 outside the housing 100 except the insertion end 210.

[0046] The housing 100 includes a first shell 110 and a second shell 120, and the first shell 110 is buckled on the second shell 120 to form a containing cavity, and the containing cavity is provided with a circuit board 500. The insertion end 210 of the power cord 200 inserted into the housing 100 is electrically connected to the circuit part of the circuit board 500.

[0047] The circuit board 500 comprises a transformer circuit, a rectifier circuit, a filter circuit and a voltage stabilizing circuit, etc. The transformer circuit is responsible for converting the input AC power into the required DC power. The transformer circuit works by electromagnetic induction principle, using the coupling of the primary and secondary coils to convert AC power into a voltage suitable for device use. The rectifier circuit converts AC power into DC power. The filter circuit is used to smooth the DC power output by the rectifier circuit, eliminating the pulsating component, making the voltage more stable. The voltage stabilizing circuit is used to ensure the stability of the output voltage.

[0048] The connecting part of the first shell 110 and the second shell 120 is provided with a second sealing ring 600. The connecting part of the first shell 110 and the second shell 120 is sealed by the second sealing ring 600, avoiding water from entering the accommodating cavity from the connecting part of the first shell 110 and the second shell 120, affecting the circuit board 500 in the accommodating cavity.

[0049] The first shell 110 is provided with a power supply foot 111. The power supply adapter and the mains are connected through the power supply foot 111.

[0050] The first shell 110 is provided with a buckle ring 112, and the inner side of the second shell 120 is provided with a buckling piece 121, which is inserted into the buckle ring 112. Through the cooperation of the buckle ring 112 and the buckling piece 121, the first shell 110 and the second shell 120 are connected more tightly.

[0051] When installing the first shell 110 and the second shell 120, align the first shell 110 with the opening of the second shell 120, and make the buckle ring 112 align with the position of the buckling piece 121, press the first shell 110 towards the second shell 120, and make the buckling piece 121 inserted into the buckle ring 112.

[0052] When separating the first shell 110 and the second shell 120, pull the first shell 110 away from the second shell 120, so that the buckling piece 121 is separated from the buckle ring 112, to separate the first shell 110 and the second shell 120.

[0053] In another embodiment, referring to Figure 5 and Figure 6 , two first sealing rings 400 are arranged between the power supply line 200 and the second shell 120, to improve the sealing effect.

[0054] The first housing 110 and the second housing 120 are connected by the convex teeth and the concave groove. The first rack 131 and the second rack 132 of the first housing 110 form a concave groove, and the two racks of the second housing 120 form a concave groove, the first rack 131 is inserted into the concave groove between the two racks of the second housing 120, and one of the racks of the second housing 120 is inserted into the concave groove between the first rack 131 and the second rack 132, so that the first housing 110 and the second housing 120 are tightly connected.

[0055] The first rack 131 is an ultrasonic welding line between the first housing 110 and the second housing 120, which is used to fix and seal the first housing 110 and the second housing 120.

[0056] When the first housing 110 and the second housing 120 are embedded, the second rack 132 will press down to the circuit board 500, which plays a role in positioning and pressing the circuit board 500.

[0057] The above is a specific description of the preferred embodiment of the present application, but the present application is not limited to the embodiment, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A waterproof power adapter, characterized by, The utility model relates to an adapter for power cord, comprising: An adapter body, the adapter body includes a shell, the shell is provided with a wire hole; A power cord, the power cord is provided with an insertion end, the insertion end is inserted in the wire hole, the power cord is provided with a boss, the boss is clamped on the wire hole, a first sealing ring is arranged between the shell and the power cord; A buckle piece, the buckle piece is inserted on the insertion end, the boss and the buckle piece jointly clamp the edge of the wire hole to fix the power cord.

2. The waterproof power adapter of claim 1, wherein, Both sides of the insertion end are respectively provided with a slot, both sides of the buckle piece are respectively provided with a plug, the plug is correspondingly inserted in the slot, and the plugs on both sides clamp the power cord.

3. The waterproof power adapter of claim 2, wherein, The end of the plug is provided with a protruding hook piece, and the hook pieces of the two plugs are oppositely arranged.

4. The waterproof power adapter of claim 3, wherein, The insertion end is provided with a flat surface, the flat surface is vertically arranged with the slot, and the hook pieces of the two plugs hook the flat surface.

5. The waterproof power adapter of claim 2, wherein, The edge of the buckle piece is provided with a protruding reinforcing strip, and the reinforcing strip is vertically arranged with the buckle piece.

6. The waterproof power adapter of claim 1, wherein, The boss is arranged on the outer surface of the power cord along the circumference of the power cord.

7. The waterproof power adapter of claim 1, wherein, The shell includes a first shell and a second shell, the first shell is buckled on the second shell to form a containing cavity, and a circuit board is arranged in the containing cavity.

8. The waterproof power adapter of claim 7, wherein, The connecting part of the first shell and the second shell is provided with a second sealing ring.

9. The waterproof power adapter of claim 7, wherein, The first shell is provided with a buckle ring, the inner side of the second shell is provided with a buckling piece, and the buckling piece is inserted in the buckle ring.

10. The waterproof power adapter of claim 7, wherein, The first shell and the second shell are connected through the convex teeth and the concave groove.

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