CN114499110B

CN114499110B - Power adapter

Info

Publication number: CN114499110B
Application number: CN202210390313.7A
Authority: CN
Inventors: 蓝耿边
Original assignee: Shenzhen Huanantong Electronic Technology Co ltd
Current assignee: Shenzhen Huanantong Electronic Technology Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-06-24
Anticipated expiration: 2042-04-14
Also published as: CN114499110A

Abstract

The invention discloses a power adapter, which comprises an adapter host, wherein the adapter host is provided with a power output line, and the power output line is provided with a flat section and a main body section; the adapter host comprises an upper shell and a lower shell, wherein a first annular fastening groove is formed in one surface of the upper shell, which is opposite to the lower shell, and a second annular fastening groove is formed in the upper end face of the lower shell, which is opposite to the first annular fastening groove. The invention changes the traditional adapter structure, so that the first metal insertion piece and the second metal insertion piece are respectively arranged between the two shells, the upper shell and the lower shell are connected through the flat section of the power output line, and a clearance cavity is formed in the middle, so that the insertion and extraction force of the power adapter after being inserted into the jack is realized, the loosening is better prevented, the structure has better tensile resistance and anti-vibration capability, the quick assembly and disassembly of the adapter host can be realized, the traditional adapter structure is completely overturned, and the adapter has very good development prospect and market value.

Description

Power adapter

Technical Field

The present invention relates to a power adapter.

Background

The Power adapter (Power adapter) is a Power supply conversion device of small portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, and the working principle of the Power adapter is that alternating current input is converted into direct current output; according to the connection mode, the device can be divided into a wall-inserting type and a desktop type. The intelligent anti-theft device is widely matched with security cameras, set top boxes, routers, light bars, massage instruments and other equipment.

At present, due to the fact that the size of a power adapter is large, after the power adapter is inserted into a socket hole, a metal insertion sheet and the socket hole are prone to loosening, and therefore a power supply is disconnected, and particularly a power line is pulled when the power adapter is used;

moreover, the power adapter is a high-precision electronic device, so that the power adapter is heavy in weight, and is easy to damage after impact, particularly damage caused by falling, and the whole power adapter is often scrapped;

finally, because the power adapter is easy to damage, when the power adapter breaks down due to impact or is aged and breaks down, the traditional structure is generally assembled in a buckling mode or assembled by locking screws, so that the power adapter is inconvenient to disassemble and assemble, and the time consumed by maintenance is greatly prolonged.

Disclosure of Invention

The invention aims to solve the technical problem that a power adapter adopts a brand-new upper and lower layered structure, so that the upper shell and the lower shell can be quickly disassembled and assembled, the whole adapter host machine has very good anti-falling and shock-absorbing capacity by utilizing the structure, and the structure can ensure that the assembly strength between metal insertion sheets and jacks of the power adapter can be higher.

The invention is realized by the following technical scheme: a power adapter includes an adapter host having a power output line with a flat section and a main body section;

the adapter host comprises an upper shell and a lower shell, wherein one surface of the upper shell, which is opposite to the lower shell, is provided with a first annular fastening groove, the upper end surface of the lower shell, which is opposite to the first annular fastening groove, is provided with a second annular fastening groove, the flat section of the power output line is respectively fastened into the first annular fastening groove and the second annular fastening groove, and is led out to the outside of the adapter host after surrounding the upper shell and the lower shell for a circle, the main body section of the power output line is connected with the output end of the flat section, when the upper and lower surfaces of the flat section are respectively buckled into the first annular buckling groove and the second annular buckling groove, a clearance cavity is formed between the upper shell and the lower shell, a first metal inserting sheet is arranged on one side of the upper shell, two second metal inserting sheets are arranged on the lower shell on the same side of the first metal inserting sheet, the distance between the clearance cavities is reduced and the distance between the first metal insert and the second metal insert is adjusted by pressing the upper shell and the lower shell.

As the preferred technical scheme, the flat section of the power output line comprises a middle section and arc buckling sections arranged on two sides of the middle section, and the flat section of the power output line is buckled into the first annular buckling groove and the second annular buckling groove through the arc buckling sections on the two sides.

As an optimized technical scheme, the bottom surfaces of the first annular buckling groove and the second annular buckling groove are both arc-shaped buckling surfaces, the diameter of each arc-shaped buckling surface is larger than the width of the opening end of each annular buckling groove, the arc-shaped buckling sections of the flat sections are buckled into the arc-shaped buckling surfaces respectively, and the middle sections of the flat sections are located in a gap cavity formed between the upper shell and the lower shell.

As the preferred technical scheme, the inner core wire of the power output wire is arranged in the arc buckling section of the flat section and the main body section, and one end of the power inner core wire is connected with the power output interface of the adapter mainboard.

As preferred technical scheme, the interlude of flat section adopts elastic rubber material to make for the extrusion takes place elastic deformation between epitheca and the inferior valve, struts epitheca and inferior valve through the interlude, and makes the interval between first metal inserted sheet and the second metal inserted sheet be greater than the interval between first jack on the socket and the second jack, inserts first metal inserted sheet, second metal inserted sheet respectively in first jack, the second jack of socket behind upper shell and the inferior valve through the extrusion.

According to the preferable technical scheme, a first open slot is formed in one side, opposite to the lower shell, of the upper shell, a second open slot is formed in the upper end face, opposite to the first open slot, of the lower shell, a buckling slot is formed in the inner side face, opposite to the first open slot and the second open slot, of the upper shell and the lower shell, one end of the flat section of the power supply output line is connected with the adapter mainboard and then buckled into the buckling slot, and is led out to the outside of the adapter host from an open cavity formed between the first open slot and the second open slot after being looped along the first annular buckling slot and the second annular buckling slot.

As the preferred technical scheme, the upper end face of the first metal inserting sheet and the lower end faces of the two second metal inserting sheets are provided with arc-shaped positioning grooves.

As an optimized technical scheme, one side of each of the first opening groove and the second opening groove, which is far away from the thread buckling groove, is provided with a guide inclined plane.

As a preferred technical scheme, a C-shaped limiting buckle is arranged at the position, located at the output end of the flat section, of the outer portions of the upper shell and the lower shell, and the flat section penetrates through the limiting buckle and extends out of the outer portion.

As a preferable technical scheme, the cross section of the flat section of the power output line is in an 8 shape.

The invention has the beneficial effects that: according to the invention, the upper shell and the lower shell are layered, the elastic flat section is arranged in the middle, the gap cavity is formed in the middle, and the elastic flat section is utilized, so that the upper shell and the lower shell have very good shock absorption capacity, the adapter mainboard is better protected, and the use is safer;

the upper metal insertion piece and the lower metal insertion piece are not arranged on the same shell any more, so that the upper metal insertion piece and the lower metal insertion piece are divided into two mutually independent components, the upper shell and the lower shell are opened by utilizing the middle flat section, the distance between the first metal insertion piece and the second metal insertion piece can be increased, and after the upper metal insertion piece and the lower metal insertion piece are inserted into the jack, the first metal insertion piece and the second metal insertion piece move towards the directions away from each other by utilizing the elastic opening force of the flat section, so that the jack is locked, the power adapter has better stability when in use, and loosening is effectively prevented;

the invention can finish the assembly between the upper shell and the lower shell by utilizing the flat section of the power output line, simplifies the structure, can realize quick disassembly only by pulling the flat section out of the annular buckling grooves of the upper shell and the lower shell when the adapter host is disassembled, does not need other connecting and assembling structures, greatly improves the disassembly and assembly efficiency, and utilizes the structure more reasonably.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an overall back schematic view of the present invention;

FIG. 2 is an overall front view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;

FIG. 5 is a schematic diagram of the power output line of the present invention;

FIG. 6 is a partial schematic view of a flattened section of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "penetrating," "inserted," and the like are to be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

1-3, a power adapter of the present invention includes an adapter host having a power output line with a flat section 9 and a main body section 14;

the adapter host comprises an upper shell 1 and a lower shell 2, wherein one side of the upper shell 1, which is opposite to the lower shell 2, is provided with a first annular fastening groove 6, the upper end face of the lower shell 2, which is opposite to the first annular fastening groove 6, is provided with a second annular fastening groove 5, a flat section 9 of a power output line is respectively fastened into the first annular fastening groove 6 and the second annular fastening groove 5 and is led out to the outside of the adapter host after surrounding the upper shell 1 and the lower shell 2 for one circle, a main section 14 of the power output line is connected with the output end of the flat section 9, after the upper surface and the lower surface of the flat section 9 are respectively fastened into the first annular fastening groove 6 and the second annular fastening groove 5, a clearance cavity 13 is formed between the upper shell 1 and the lower shell 2, one side of the upper shell 1 is provided with a first metal insertion sheet 4, the lower shell 2 is provided with two second metal insertion sheets 3 on the same side of the first metal insertion sheet 4, and the first metal insertion sheet 4 and the second metal insertion sheet 3 are respectively connected to the power input end of the adapter host board 11, the distance between the clearance cavities is reduced and the distance between the first metal insert 4 and the second metal insert 3 is adjusted by pressing the upper shell 1 and the lower shell 2.

As shown in fig. 5 and 6, the flat section 9 of the power output line includes a middle section 92 and arc-shaped snap-in sections 91 disposed on both sides of the middle section, and the flat section 9 of the power output line is snapped into the first annular snap groove 6 and the second annular snap groove 5 through the arc-shaped snap-in sections 91 on both sides.

Wherein, the bottom surface of first annular catching groove 6 and second annular catching groove 5 is an arc profile, and the diameter of arc profile is greater than the width of the open end of annular catching groove, and the arc of flat section 9 is detained section 91 and is detained respectively to the arc profile in for the flat section is difficult to extract the pine after detaining to the annular catching groove and takes off, reaches better assembly ability, and the interlude of flat section is located the clearance intracavity that forms between epitheca and the inferior valve.

Wherein, the inner core wire 93 of the power output line is arranged in the arc-shaped buckling section 91 of the flat section 9 and the main body section 14, and one end of the power inner core wire is connected with the power output end of the adapter mainboard 11.

Wherein, the interlude 92 of flat section 9 adopts elastic rubber material to make, make and extrude elastic deformation to take place between epitheca 1 and the inferior valve 2, and make and possess very good elasticity between whole epitheca 1 and the inferior valve 2 and fall the ability, prop epitheca 1 and inferior valve 2 through interlude 92, and make the interval between first metal inserted sheet 4 and the second metal inserted sheet 3 be greater than the interval between first jack and the second jack on the socket, with first metal inserted sheet 4 behind upper shell and the inferior valve through the extrusion, second metal inserted sheet 3 inserts the first jack to the socket respectively, in the second jack, so pine upper shell 1 and inferior valve 2, realize the locking between metal inserted sheet and the jack, compress tightly upper shell and inferior valve, realize the pine and take off the plug.

As shown in fig. 4, a first open slot 7 is formed in one side of the upper casing 1 opposite to the lower casing 2, a second open slot 8 is formed in the upper end face of the lower casing 2 opposite to the first open slot 7, a thread-fastening slot 18 is formed in the inner side faces of the upper casing 1 and the lower casing 2 opposite to the first open slot and the second open slot, one end of the flat section 9 of the power output line is connected with the adapter mainboard 11 and then is fastened into the thread-fastening slot 18, and is led out to the outside of the adapter host from an open cavity formed between the first open slot 7 and the second open slot 8 after the first annular thread-fastening slot 6 and the second annular thread-fastening slot 5 circles.

In this embodiment, the up end of first metal inserted sheet 4 and the lower terminal surface of two second metal inserted sheets 3 all are provided with an arc constant head tank 41, insert to the downthehole back of socket when first metal inserted sheet 4 and second metal inserted sheet 3, prop epitheca 1 and inferior valve 2 by having elastic flat section, make the arc constant head tank 41 of first metal inserted sheet 4 and second metal inserted sheet 3 compress tightly the location with the socket hole respectively, like this when not pinching epitheca and inferior valve, reach the purpose of inserting locking through elasticity self-locking power, the not hard up condition takes place when better preventing to use, when the adapter is extracted to needs, as long as pinch epitheca and inferior valve, can shorten the interval between first metal inserted sheet and the second metal inserted sheet, reach the mesh that can easily extract the adapter.

Wherein, as shown in fig. 4, the first opening groove 7 and the second opening groove 8 are provided with a guiding inclined plane 81 on one side far away from the buckling groove, and through the setting of the guiding inclined plane, when the upper casing and the lower casing are required to be disassembled, as long as the flat section of the power output line is pulled out towards one side of the guiding inclined plane 81, the flat section 9 can be pulled out from the first annular buckling groove 6 and the second annular buckling groove 5, so as to realize the quick separation of the upper casing 1 and the lower casing 2.

Wherein, the output end position that epitheca 1 and inferior valve 2 outside lie in flat section 9 is provided with the spacing knot 15 of one "C" font, flat section 9 passes spacing knot 15 and stretches out to the outside, through setting up spacing knot 15, make can not pull out flat section from annular catching groove during tractive power output line, flat section 9 passes spacing knot after winding the annular catching groove round of epitheca 1 and inferior valve 2, with this completion assembly, the arrow point shown in figure 3 is the wire winding direction of flat section, draw forth from the opening chamber in the middle of after winding the round, the opening of spacing knot should be greater than the size of the joint of main part one end, when dismantling epitheca and inferior valve like this, can make things convenient for the joint to take out from the spacing knot, can pull out flat section from the annular catching groove of epitheca and inferior valve like this.

In this embodiment, the cross-section of the flat section 9 of the power output line is 8-shaped, the flat section 9 of the 8-shaped flat section is used for realizing the rapid connection and assembly between the upper shell 1 and the lower shell 2, and the characteristics of the flat section 9 are utilized to ensure that the whole adapter has a good damping effect, increase the insertion and extraction force after being inserted into the jack and effectively prevent the loosening.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A power adapter, characterized by: the adapter host is provided with a power output line, and the power output line is provided with a flat section and a main body section;

2. The power adapter as claimed in claim 1, wherein: the flat section of power output line includes the interlude and sets up the arc section of buckleing in the interlude both sides, and the flat section of power output line is buckled into in first annular catching groove and the second annular catching groove through the arc of both sides.

3. The power adapter as claimed in claim 2, wherein: the bottom surfaces of the first annular buckling groove and the second annular buckling groove are arc-shaped buckling surfaces, the diameters of the arc-shaped buckling surfaces are larger than the width of the opening ends of the annular buckling grooves, the arc-shaped buckling sections of the flat sections are buckled into the arc-shaped buckling surfaces respectively, and the middle sections of the flat sections are located in a gap cavity formed between the upper shell and the lower shell.

4. The power adapter as claimed in claim 1, wherein: the inner core wire of the power output wire is arranged in the arc buckling section of the flat section and the main body section, and one end of the power inner core wire is connected with the power output interface of the adapter mainboard.

5. The power adapter as claimed in claim 2, wherein: the interlude of flat section adopts elastic rubber material to make for the extrusion takes place elastic deformation between epitheca and the inferior valve, struts epitheca and inferior valve through the interlude, and makes the interval between first metal inserted sheet and the second metal inserted sheet be greater than the interval between first jack and the second jack on the socket, inserts first metal inserted sheet, second metal inserted sheet respectively in first jack, the second jack to the socket behind upper shell and the inferior valve through the extrusion.

6. The power adapter as claimed in claim 1, wherein: one side of the upper shell, which is opposite to the lower shell, is provided with a first open slot, the upper end face of the lower shell, which is opposite to the first open slot, is provided with a second open slot, the inner side faces, which are opposite to the first open slot and the second open slot, of the upper shell and the lower shell are provided with a wire buckling slot, one end of the flat section of the power output wire is connected with the adapter mainboard and then buckled into the wire buckling slot, and is led out to the outside of the adapter host machine from an open cavity formed between the first open slot and the second open slot after the circle of the first annular wire buckling slot and the second annular wire buckling slot.

7. The power adapter as claimed in claim 1, wherein: the up end of first metal inserted sheet and the lower terminal surface of two second metal inserted sheets all are provided with an arc constant head tank.

8. The power adapter as claimed in claim 6, wherein: and one side of each of the first opening groove and the second opening groove, which is far away from the thread buckling groove, is provided with a guide inclined plane.

9. The power adapter as claimed in claim 1, wherein: the outer parts of the upper shell and the lower shell are provided with a C-shaped limiting buckle at the output end of the flat section, and the flat section penetrates through the limiting buckle and extends out of the flat section.

10. The power adapter as claimed in claim 1, wherein: the cross section of the flat section of the power output line is 8-shaped.