CN220420974U - Power adapter - Google Patents

Abstract

The present utility model relates to a power adapter. A power adapter comprising: a housing; the shell is provided with a first opening and a second opening at two ends which are far away from each other respectively; a circuit component; the circuit component is accommodated in the shell and is provided with a connecting terminal and an output cable extending outwards; the outgoing cable is provided with a cable network tail on an end proximate the circuit component; the connecting terminal is positioned at the position where the first opening is; the cable net tail penetrates out of the shell from the second opening; a first sealing member; the first sealing component is sleeved on the connecting terminal and is used for filling a gap between the connecting terminal and the shell; and the second sealing part is sleeved on the cable net tail and is used for filling a gap between the cable net tail and the shell. The connecting terminal and the cable net tail are wrapped by the silica gel ring, so that the joint edge of the shell can be effectively sealed, and the waterproof performance of the power adapter is improved.

Description

Power adapter

Technical Field

The utility model relates to the technical field of power adapters, in particular to a waterproof power adapter.

Background

The traditional power adapter in the market at present has poor waterproof performance, and the traditional power adapter is assembled by assembling a PCB with a connecting terminal, an output cable and a cable net tail into an upper shell and a lower shell, and fixing the power PCB by ultrasonic, so that the traditional power adapter provided with the connecting terminal, the output cable, the cable net tail and a shell has poor waterproof performance, and safety accidents are easy to cause.

Disclosure of Invention

The power adapter can overcome at least a part of defects of the traditional power adapter.

The embodiment of the utility model provides a power adapter. The power adapter includes:

a housing; the shell is provided with a first opening and a second opening at two ends which are far away from each other respectively;

a circuit component; the circuit component is accommodated in the shell and is provided with a connecting terminal and an output cable extending outwards; a cable net tail is arranged at the tail end of the output cable close to the circuit component;

wherein the connecting terminal is positioned at the position where the first opening is positioned; the cable net tail penetrates out of the shell from the second opening;

a first sealing member; the first sealing component is sleeved on the connecting terminal, and under the extrusion of the shell, a gap between the connecting terminal and the shell is filled;

and the second sealing part is sleeved on the cable net tail, and fills a gap between the cable net tail and the shell under the extrusion of the shell.

In some embodiments, the housing is comprised of an upper housing and a lower housing that are joined to each other;

wherein the lower housing is provided with an annular groove which is opened along the joint edge; the upper shell is provided with a first accommodating groove which is formed along the joint edge;

wherein the annular groove and the first accommodating groove are enclosed to form a T-shaped accommodating space;

the power adapter further includes: a third sealing member; the shape of the third sealing part is T-shaped;

wherein the third sealing member is confined in the T-shaped receiving space, and fills a gap between the joining edges of the upper and lower cases.

In some embodiments, a plurality of ribs are further disposed inside the first accommodating groove along the length direction of the housing on both sides of the width direction of the housing; the convex rib is used for pressing the third sealing component;

the first sealing component, the second sealing component and the third sealing component are connected into a whole.

In some embodiments, the lower housing is provided with a plurality of snaps along a length direction of the housing on both sides of the width direction of the housing; the upper shell is provided with a plurality of clamping grooves along the length direction of the shell on two sides of the width direction of the shell; the clamping groove is arranged corresponding to the buckle;

the lower shell is provided with a clamping groove, and the clamping groove is matched with the clamping groove of the upper shell so that the upper shell and the lower shell are close to each other along the joint edge and used for compressing the silica gel ring.

In some embodiments, the lower housing and the upper housing are each provided with a corresponding mounting post; the mounting column is provided with a threaded mounting hole; one end of the lower shell, which is far away from the joint edge, is provided with a mounting through hole;

the mounting column penetrates through the mounting through hole and is fixedly connected with the threaded mounting hole through a screw, so that the lower shell and the upper shell are enclosed to form an accommodating space;

wherein, the installation through hole is sealed through the silica gel pad.

In some embodiments, the circuit component comprises:

a PCB board; the PCB board is accommodated in the accommodating space;

a connection terminal; one end of the connecting terminal is provided with an end face boss; the other end of the connecting terminal is electrically connected with the PCB;

wherein, a first mounting groove is arranged on the first sealing component; the end face boss is wrapped in the first mounting groove;

wherein the connection terminal is accommodated in the accommodation space;

a cable net tail; the cable net tail is provided with a second mounting groove;

the second sealing component is sleeved in a second mounting groove of the cable net tail, so that the cable net tail is wrapped by the second sealing component;

the second mounting groove is matched with the adapting structures of the upper shell and the lower shell, so that at least one part of the cable net tail is accommodated in the accommodating space;

wherein, the cable net tail with PCB board electricity is connected.

In some embodiments, the power adapter further comprises:

a wire clamp; the wire clamp is used for clamping a cable electrically connected with the connecting terminal;

wherein, square eave bones are arranged on two sides of the lower shell along the length direction of the shell; the square eave bone is also arranged on two sides of the upper shell along the length direction of the shell;

wherein, the upper shell is provided with a pair of hinge through holes on a square eave bone at one end where the first opening is positioned; the wire clamp is rotationally connected with the upper shell through the hinge through hole;

the square eave bone is wedge-shaped and extends towards the direction away from the middle of the shell.

In some embodiments, the lower housing is provided with a second receiving groove at the first opening; a third accommodating groove corresponding to the second accommodating groove is formed in the first opening of the upper shell;

wherein, the second accommodation groove and the third accommodation groove enclose to form a first parcel space to parcel the first sealing member.

In some embodiments, the lower housing is provided with a fourth receiving groove at the second opening; a fifth accommodating groove corresponding to the fourth accommodating groove is formed in the second opening of the upper shell;

wherein the fourth accommodation groove and the fifth accommodation groove enclose to form a second wrapping space to wrap the second sealing member.

Preferably, the mounting hole is sealed by the silica gel pad with a back adhesive to prevent moisture from entering the accommodating space from the mounting through hole.

Preferably, the silicone ring may be integrally sealed to the housing, and the silicone ring may further wrap the connection terminal to increase sealability of the power adapter.

Preferably, the silicone ring can be applied to connection terminals of different standards, such as C14, C18C8 or C6; the silica gel ring can also be suitable for different cable net tail sizes.

Preferably, the square eave bones of the upper and lower housings enclose a diamond shape protruding toward the length direction and away from the middle of the housing, so as to prevent non-length-direction water flow from entering the housing.

Preferably, the assembly of the power adapter may be performed as follows:

firstly, completely wrapping an end face boss of the connecting terminal in a first mounting groove of the first sealing component;

secondly, sleeving a second sealing part of the silica gel ring in a second mounting groove of the cable net tail;

then, inserting the silica gel ring which is wrapped with the connecting terminal and the cable net tail into the T-shaped accommodating space, the first wrapping space and the second wrapping space;

finally, the mounting posts of the lower shell and the upper shell penetrate through the mounting through holes and are fixedly connected with the threaded mounting holes through screws, and then the silica gel pad with the back glue is mounted in the mounting through holes of the lower shell.

At least one advantageous aspect of the power adapter provided by the embodiments of the present utility model is: the utility model provides a novel power adapter, through the design of adding the silica gel circle, parcel power adapter's connecting terminal and cable net tail, and can effectually seal go up the casing with the joint edge of casing down, with improve power adapter's waterproof performance can also reduce or avoid causing negative influence to the PCB board of acceping in the accommodation space.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, unless otherwise specified.

FIG. 1 is an exploded perspective view of a power adapter provided in an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a silica gel ring according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of the power adapter of FIG. 1 at A-A according to an embodiment of the present utility model;

fig. 4 is a schematic cross-sectional view of the power adapter of fig. 1 at B-B according to an embodiment of the present utility model.

Detailed Description

The utility model will now be described in detail with reference to specific embodiments, it being emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the utility model or its applications.

It should be noted that unless explicitly specified and limited otherwise, the terms "longitudinal", "widthwise", "middle", "inside", "protruding" and the like used in this specification indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, and are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "mounted," "engaged," "connected," "secured," and the like are to be construed broadly, as the term "connected" may be a fixed or removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; the fixing can be bolt fixing, buckle fixing or glue fixing; the terms "first," "second," "third," "fourth," "fifth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defining "a first", "a second", "a third", "a fourth" and a fifth "may explicitly or implicitly include one or more such feature; additionally, "and/or" includes any and all combinations of one or more of the associated listed items; the specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

In the present embodiment, the specific implementation of the "power adapter" is not limited, and any suitable implementation may be selectively used by those skilled in the art according to the actual situation needs.

The conventional power adapter is generally assembled to the inside of the upper and lower cases with PCBs having connection terminals and cable net tails, the power PCBs are fixed by ultrasound, and the power PCBs are fixed by ultrasound, so that the conventional power adapter provided with the connection terminals, the output cables, the cable net tails and the housing is poor in waterproof performance.

Fig. 1 is an exploded perspective view of a power adapter according to an embodiment of the present utility model. Fig. 2 is a schematic structural diagram of a silica gel ring according to an embodiment of the present utility model. Referring to fig. 1 and 2, the waterproof power adapter includes: an accommodating space is formed inside the housing 10; at least a part of the circuit component is accommodated in the accommodating space of the housing 10, and is provided with a connection terminal 301 and an output cable extending outwards; the end of the outgoing cable proximate the circuit component has a cable end 302 disposed thereon;

wherein the connection terminal 301 is located at a position where the first opening 101 is located; the cable net tail 302 passes out of the housing 10 from the second opening 102;

the first sealing member 201 is sleeved on the connection terminal 301, and the gap between the connection terminal 301 and the housing 10 is filled under the extrusion of the housing 10;

the second sealing component 202 is sleeved on the cable net tail 302, and under the extrusion of the shell 10, the gap between the cable net tail 302 and the shell 10 is filled;

fig. 3 is a schematic cross-sectional view of the power adapter shown in fig. 1 A-A according to an embodiment of the present utility model. Referring to fig. 1 and 3, the housing 10 is composed of an upper housing 103 and a lower housing 104 which are engaged with each other; wherein, the lower shell 104 is provided with an annular groove 1041 which is arranged along the joint edge; the upper case 103 is provided with a first receiving groove 1031 opened along the joint edge;

wherein, the annular groove 1041 and the first accommodating groove 1031 enclose a T-shaped accommodating space;

referring to fig. 2 and 3, the power adapter further includes a third sealing member 203, and the third sealing member 203 is T-shaped;

wherein the third sealing member 203 is confined in the T-shaped receiving space, and fills the gap between the joint edges of the upper case 103 and the lower case 104.

Referring to fig. 1 and 3, a plurality of ribs 1032 are further disposed in the first receiving groove 1031 along the length direction Y1 of the housing 10 at two sides of the width direction X1 of the housing 10; the protruding bone is used for pressing the third sealing member 203;

the first sealing member 201, the second sealing member 202 and the third sealing member 203 are integrally connected to the silicone ring 20.

With continued reference to fig. 1 and 3, the lower housing 104 is provided with a plurality of latches 1042 along the length direction Y1 of the housing 10 on both sides of the width direction X1 of the housing 10; the upper housing 103 is provided with a plurality of clamping grooves 1033 along the length direction Y1 of the housing 10 on both sides of the width direction X1 of the housing 10; wherein, the clamping groove 1033 is disposed corresponding to the buckle 1042;

the latch 1042 of the lower housing 104 and the latch 1033 of the upper housing 103 are cooperatively installed, so that the upper housing 103 and the lower housing 104 are close to each other along the joint edge, for compressing the silicone ring 20.

Referring to fig. 1, the lower housing 104 and the upper housing 103 are provided with corresponding mounting posts 11; the mounting post 11 is provided with a threaded mounting hole 111; the end of the lower housing 104 remote from the joint edge is provided with a mounting through hole;

the mounting post 11 passes through the mounting through hole and is fastened and connected with the threaded mounting hole 111 through the screw 40, so that the lower shell 104 and the upper shell 103 enclose to form an accommodating space;

wherein the mounting through hole is sealed by a silicone pad 50.

Fig. 4 is a schematic cross-sectional view of the power adapter of fig. 1 at B-B according to an embodiment of the present utility model. Referring to fig. 1, 2 and 4, the circuit component includes a PCB board and a connection terminal 301; the PCB board is accommodated in the accommodating space; wherein one end of the connection terminal 301 is provided with an end face boss 3011; the other end of the connection terminal 301 is electrically connected with the PCB board;

wherein, the first sealing member 201 is provided with a first mounting groove 2011; the end face boss 3011 is wrapped in a first mounting slot 2011;

the connection terminal 301 is accommodated in the accommodation space.

With continued reference to fig. 1, 2 and 4, the circuit component further includes a cable tail 302; wherein the cable tail 302 is provided with a second mounting groove 3021;

wherein the second sealing member 202 is sleeved in the second mounting groove 3021 of the cable net tail 302, so that the cable net tail 302 is wrapped by the second sealing member 202;

wherein, the second mounting groove 3021 and the adapting structures of the upper housing 103 and the lower housing 104 are mounted in a matching manner, so that at least a part of the cable net tail 302 is accommodated in the accommodating space;

the cable tail 302 is electrically connected to the PCB board.

Referring to fig. 1 and 4, the power adapter further includes a wire clip 60; the wire clamp 60 is used for clamping a cable electrically connected with the connection terminal 301;

wherein, the lower shell 104 is provided with square eave bones 105 along two sides of the length direction Y1 of the shell 10; the upper housing 103 is also provided with square eave bones 105 along both sides of the length direction Y1 of the housing 10;

wherein, the upper shell 103 is provided with a pair of hinge through holes 1051 on the square eave bone at one end of the first opening 101; the wire clip 60 is rotatably connected to the upper housing 103 through the hinge through hole 1051;

wherein the square eave 105 has a wedge shape extending in a direction away from the middle of the housing 10.

Referring to fig. 1 to 4, the lower housing 104 is provided with a second receiving groove 1043 at the first opening 101; the upper case 103 is provided with a third receiving groove 1034 corresponding to the second receiving groove 1043 at the first opening 101;

wherein the second receiving groove 1043 and the third receiving groove 1034 enclose to form a first enclosing space to enclose the first sealing member 201.

With continued reference to fig. 1-4, the lower housing 104 is provided with a fourth receiving groove 1044 at the second opening 102; the upper case 103 is provided with a fifth receiving groove 1035 corresponding to the fourth receiving groove 1044 at the second opening 102;

wherein the fourth receiving groove 1044 and the fifth receiving groove 1035 enclose a second wrapping space to wrap the second sealing member 202.

Referring to fig. 1, the mounting hole is preferably sealed by a silicone pad 50 with a back adhesive to prevent moisture from entering the receiving space from the mounting hole.

Referring to fig. 1 and 2, the silicone ring 20 preferably seals the housing 10 integrally, and the silicone ring 20 also wraps the connection terminals 301 to increase the tightness of the power adapter.

Referring to fig. 1 and 2, the silicone ring 20 is preferably suitable for connection terminals of different standards, such as C14, C18C8 or C6; the silicone ring 20 can also be adapted for different cable net tail sizes.

Referring to fig. 1 and 4, preferably, the square eave 105 of the upper and lower cases 103 and 104 is enclosed to form a diamond shape protruding toward the longitudinal direction Y1 of the case 10 and away from the middle of the case 10, so as to prevent water flow not in the longitudinal direction from entering the case 10.

Referring to fig. 1-4, the assembly of the waterproof power adapter is preferably performed as follows:

first, the end face boss 3011 of the connection terminal 301 is completely wrapped in the first mounting groove 2011 of the first seal member 201 of the silicone ring 20;

secondly, the second sealing part 202 of the silica gel ring 20 is sleeved in the second mounting groove 3021 of the cable net tail 302;

then, inserting the silica gel ring 20 wrapped with the connecting terminal 301 and the cable net tail 302 into the T-shaped accommodating space, the first wrapping space and the second wrapping space;

finally, the mounting posts 11 of the lower case 104 and the upper case 103 are fastened to the screw mounting holes 111 by screws 40 through the mounting through holes, and then the silica gel pad 50 with back gel is mounted into the mounting through holes of the lower case 104.

In summary, by adding the silica gel ring, the power adapter provided by the embodiment of the utility model wraps the connecting terminal and the cable net tail of the power adapter, and can effectively seal the joint edges of the upper shell and the lower shell, so that the waterproof performance of the power adapter is improved, and the negative influence on the PCB accommodated in the accommodating space can be reduced or avoided. The power adapter provided by the embodiment of the utility model has a certain novelty compared with the traditional power adapter.

The foregoing is a further detailed description of the utility model in connection with specific/preferred embodiments, and it is not intended that the utility model be limited to such description. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model, and these are all within the scope of the utility model.

Claims (10)

1. A power adapter, comprising:

a housing; the shell is provided with a first opening and a second opening at two ends which are far away from each other respectively;

a circuit component; the circuit component is accommodated in the shell and is provided with a connecting terminal and an output cable extending outwards; the outgoing cable is provided with a cable network tail on an end proximate the circuit component;

wherein the connecting terminal is positioned at the position where the first opening is positioned; the cable net tail penetrates out of the shell from the second opening;

a first sealing member; the first sealing component is sleeved on the connecting terminal, and under the extrusion of the shell, a gap between the connecting terminal and the shell is filled;

and the second sealing part is sleeved on the cable net tail, and fills a gap between the cable net tail and the shell under the extrusion of the shell.

2. The power adapter of claim 1 wherein said housing is comprised of an upper housing and a lower housing that are engaged with each other;

wherein the lower housing is provided with an annular groove which is opened along the joint edge; the upper shell is provided with a first accommodating groove which is formed along the joint edge;

wherein the annular groove and the first accommodating groove are enclosed to form a T-shaped accommodating space;

the power adapter further includes: a third sealing member; the shape of the third sealing part is T-shaped;

wherein the third sealing member is confined in the T-shaped receiving space, and fills a gap between the joining edges of the upper and lower cases.

3. The power adapter according to claim 2, wherein the first accommodation groove is further provided with a plurality of ribs along a length direction of the housing on both sides in the width direction of the housing; the convex rib is used for pressing the third sealing component;

the first sealing component, the second sealing component and the third sealing component are connected into a whole.

4. The power adapter according to claim 3, wherein the lower housing is provided with a plurality of snaps along a length direction of the housing on both sides of a width direction of the housing; the upper shell is provided with a plurality of clamping grooves along the length direction of the shell on two sides of the width direction of the shell; the clamping groove is arranged corresponding to the buckle;

the lower shell is provided with a clamping groove, and the clamping groove is matched with the clamping groove of the upper shell so that the upper shell and the lower shell are close to each other along the joint edge and used for compressing the silica gel ring.

5. The power adapter of claim 2 wherein said lower housing and said upper housing are each provided with corresponding mounting posts; the mounting column is provided with a threaded mounting hole; one end of the lower shell, which is far away from the joint edge, is provided with a mounting through hole;

the mounting column penetrates through the mounting through hole and is fixedly connected with the threaded mounting hole through a screw, so that the lower shell and the upper shell are enclosed to form an accommodating space;

wherein, the installation through hole is sealed through the silica gel pad.

6. The power adapter of claim 5 wherein said circuit component comprises:

a PCB board; the PCB board is accommodated in the accommodating space;

a connection terminal; one end of the connecting terminal is provided with an end face boss; the other end of the connecting terminal is electrically connected with the PCB;

wherein, a first mounting groove is arranged on the first sealing component; the end face boss is wrapped in the first mounting groove;

wherein the connection terminal is accommodated in the accommodation space.

7. The power adapter of claim 6 wherein said circuit component further comprises:

a cable net tail; the cable net tail is provided with a second mounting groove;

the second sealing component is sleeved in a second mounting groove of the cable net tail, so that the cable net tail is wrapped by the second sealing component;

the second mounting groove is matched with the adapting structures of the upper shell and the lower shell, so that at least one part of the cable net tail is accommodated in the accommodating space;

wherein, the cable net tail with PCB board electricity is connected.

8. The power adapter of claim 2, wherein the power adapter further comprises:

a wire clamp; the wire clamp is used for clamping a cable electrically connected with the connecting terminal;

wherein, square eave bones are arranged on two sides of the lower shell along the length direction of the shell; the square eave bone is also arranged on two sides of the upper shell along the length direction of the shell;

wherein, the upper shell is provided with a pair of hinge through holes on a square eave bone at one end where the first opening is positioned; the wire clamp is rotationally connected with the upper shell through the hinge through hole;

the square eave bone is wedge-shaped and extends towards the direction away from the middle of the shell.

9. The power adapter of claim 8 wherein said lower housing is provided with a second receiving slot at said first opening; a third accommodating groove corresponding to the second accommodating groove is formed in the first opening of the upper shell;

wherein, the second accommodation groove and the third accommodation groove enclose to form a first parcel space to parcel the first sealing member.

10. The power adapter of claim 9 wherein said lower housing is provided with a fourth receiving slot at said second opening; the upper shell is provided with a fifth accommodating groove corresponding to the fourth accommodating groove at the second opening.