CN114499110B - Power adapter - Google Patents

Abstract

The invention discloses a power adapter, including an adapter host, the adapter host has a power output line, and the power output line has a flat section and a main body section; the adapter host includes an upper shell and a lower shell, and the upper shell is opposite to the bottom A first annular buckle groove is arranged on one side of the shell, and a second annular buckle groove is arranged on the upper end surface of the lower shell facing the first annular buckle groove. The invention changes the traditional adapter structure, so that the first metal insert and the second metal insert are separately arranged between the two shells, and the upper shell and the lower shell are connected by the flat section of the power output line, and a gap cavity is formed in the middle , in order to realize the plug-in force of the power adapter after it is inserted into the jack, better prevent loosening, and this structure has better tensile strength and anti-vibration ability, and can realize the quick disassembly and assembly of the adapter host , completely subverting the traditional adapter structure, with very good development prospects and market value.

Description

a power adapter

technical field

The invention relates to a power adapter.

Background technique

Power adapter is a power supply conversion device for small portable electronic equipment and electronic appliances. It is generally composed of shells, transformers, inductors, capacitors, control ICs, PCB boards and other components. Its working principle is to convert AC input to DC Output; According to the connection method, it can be divided into wall type and desktop type. Widely used in security cameras, set-top boxes, routers, light bars, massagers and other equipment.

At present, due to the large size of the power adapter, after being inserted into the socket hole, the metal insert and the socket hole are easily loosened, which in turn leads to the disconnection of the power supply, especially when the power cord is pulled during use;

Furthermore, because the power adapter is a high-precision electronic device, its weight is heavy, and it is prone to damage after impact, especially the damage caused by falling, which often leads to the scrapping of the entire power adapter;

Finally, because the power adapter is easily damaged, the traditional structure is generally snap-fit assembly or screw-lock assembly when it is damaged by impact or aging, which is inconvenient to disassemble and assemble, which greatly increases the time consumed by maintenance.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is a power adapter, which adopts a brand-new upper and lower layered structure, so that the upper and lower shells can be quickly disassembled and assembled, and the whole adapter host has a very good anti-fall by using this structure. shock absorption ability, and this structure can make the assembly strength between the metal insert of the power adapter and the jack higher.

The present invention is realized by the following technical solutions: a power adapter, including an adapter host, the adapter host has a power output line, and the power output line has a flat section and a main body section;

The adapter host includes an upper shell and a lower shell, the upper shell is provided with a first annular buckle groove on the side opposite to the lower shell, and the upper end face of the lower shell facing the first annular buckle groove is provided with a second annular buckle groove. The flat section is buckled into the first annular buckle groove and the second annular buckle groove respectively, and is led out to the outside of the adapter host after wrapping around the upper shell and the lower shell. The main section of the power output line is connected to the output end of the flat section. , when the upper and lower sides of the flat section are respectively buckled into the first annular buckle groove and the second annular buckle groove, a gap cavity is formed between the upper shell and the lower shell, and one side of the upper shell is provided with a first metal insert, the lower Two pieces of second metal inserts are arranged on the shell on the same side of the first metal inserts. By squeezing the upper shell and the lower shell, the distance between the gap chambers is narrowed and the distance between the first metal inserts and the second metal inserts is adjusted. spacing.

As a preferred technical solution, the flat section of the power output line includes a middle section and arc-shaped buckle sections arranged on both sides of the middle section, and the flat section of the power output wire is buckled into the first section through the arc-shaped buckle sections on both sides. an annular buckle groove and a second annular buckle groove.

As a preferred technical solution, the bottom surfaces of the first annular buckle groove and the second annular buckle groove are both an arc-shaped buckle surface, the diameter of the arc-shaped buckle surface is larger than the width of the open end of the annular buckle groove, and the arc-shaped buckled section of the flat section is They are respectively buckled into the arc buckle surfaces, and the middle section of the flat section is located in the gap cavity formed between the upper shell and the lower shell.

As a preferred technical solution, the inner core wire of the power output wire is arranged in the arc buckled section of the flat section and in the main body section, and one end of the inner core wire of the power supply is connected to the power output interface of the adapter motherboard.

As a preferred technical solution, the middle section of the flat section is made of elastic rubber material, so that elastic deformation occurs between the upper shell and the lower shell, the upper shell and the lower shell are stretched through the middle section, and the first metal The distance between the insert and the second metal insert is greater than the distance between the first jack and the second jack on the socket. The pieces are respectively inserted into the first jack and the second jack of the socket.

As a preferred technical solution, the upper shell is provided with a first opening slot on the side opposite to the lower shell, the upper end face of the lower shell facing the first opening slot is provided with a second opening slot, and the upper shell and the lower shell are facing the first opening slot. Both the opening slot and the inner side of the second opening slot are provided with a wire buckle slot, and one end of the flat section of the power output wire is connected to the main board of the adapter and then buckled into the wire buckle slot and follows the first annular buckle slot and the second annular buckle slot. After one turn, it is led out from the opening cavity formed between the first opening slot and the second opening slot to the outside of the adapter host.

As a preferred technical solution, an arc-shaped positioning groove is provided on the upper end surface of the first metal insert and the lower end surfaces of the two second metal inserts.

As a preferred technical solution, a guide slope is provided on both the first opening slot and the second opening slot away from the wire-buckling slot.

As a preferred technical solution, a "C"-shaped limit buckle is provided outside the upper shell and the lower shell at the output end of the flat section, and the flat section protrudes to the outside through the limit buckle.

As a preferred technical solution, the cross-section of the flat section of the power output line is in an "8" shape.

The beneficial effects of the present invention are as follows: 1. In the present invention, the upper shell and the lower shell are layered, an elastic flat section is arranged in the middle, and a gap cavity is formed in the middle, and the elastic flat section is used to make the upper shell and the lower shell have a space between them. Very good shock absorption ability, better protection of the adapter motherboard, safer to use;

2. The upper and lower metal inserts of the present invention are no longer installed on the same shell, so that it is divided into two independent components, so that the upper and lower shells are propped up by the flat section in the middle, and the first metal insert can be increased. The distance between the sheet and the second metal insert, and then after inserting into the jack, the first metal insert and the second metal insert move in the direction away from each other by using the elastic spreading force of the flat segment, and then locked The jack makes the power adapter have better stability when in use and effectively prevents loosening;

3. The present invention utilizes the flat section of the power output wire to complete the assembly between the upper shell and the lower shell, and simplifies the structure. When disassembling the adapter host, the flat section only needs to be pulled out from the annular buckle grooves of the upper shell and the lower shell. Quick disassembly can be achieved without other connection and assembly structures, the disassembly and assembly efficiency is greatly improved, and the structure is more reasonably utilized.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the overall back schematic diagram of the present invention;

Fig. 2 is the overall frontal schematic diagram of the present invention;

Fig. 3 is the exploded view of the present invention;

Fig. 4 is a partial enlarged view of the place A in Fig. 3 of the present invention;

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

FIG. 6 is a schematic diagram of the partial structure of the flat section of the present invention.

Detailed ways

All features disclosed in this specification, or all disclosed steps in a method or process, may be combined in any way except mutually exclusive features and/or steps.

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

In the description of the present invention, it should be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end" ”, “length”, “outer end”, etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In addition, in the description of the present invention, "plurality" means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.

Terms such as "upper," "upper," "lower," "lower," and the like used herein to indicate relative spatial positions are for ease of illustration to describe one element or feature as shown in the drawings relative to another A unit or feature relationship. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation shown 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 otherwise) and the spatially relative descriptors used herein interpreted accordingly

In the present invention, unless otherwise expressly specified and limited, the terms "arrangement", "socket connection", "connection", "penetration", "plug connection" and other terms should be understood in a broad sense, for example, it may be a fixed connection, It can also be detachable connection or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relationship, unless otherwise expressly qualified. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

As shown in FIG. 1-FIG. 3, a power adapter of the present invention includes an adapter host, the adapter host has a power output line, and the power output line has a flat section 9 and a main body section 14;

The adapter main body includes an upper shell 1 and a lower shell 2. The upper shell 1 is provided with a first annular buckle groove 6 on the side opposite to the lower shell 2, and the upper end surface of the lower shell 2 facing the first annular buckle groove 6 is provided with a second annular buckle groove. 5. The flat section 9 of the power output line is buckled into the first annular buckle groove 6 and the second annular buckle groove 5 respectively, and then surrounds the upper shell 1 and the lower shell 2 and then leads out to the outside of the adapter host. The power output The main body section 14 of the wire is connected to the output end of the flat section 9. When the upper and lower parts of the flat section 9 are buckled into the first annular buckle groove 6 and the second annular buckle groove 5 respectively, the upper shell 1 and the lower shell 2 are formed between the upper shell 1 and the lower shell 2. A clearance cavity 13, a first metal insert 4 is arranged on one side of the upper shell 1, and two second metal inserts 3 are arranged on the lower shell 2 on the same side of the first metal insert 4, and the first metal insert 4 The second metal insert 3 and the second metal insert 3 are respectively connected to the power input end of the adapter main board 11 through the power cord. By squeezing the upper shell 1 and the lower shell 2, the distance between the gaps is narrowed and the first metal insert 4 and the second metal insert are adjusted. spacing between slices 3.

As shown in FIG. 5 and FIG. 6 , the flat section 9 of the power output wire includes a middle section 92 and arc-shaped buckle sections 91 arranged on both sides of the middle section, and the flat section 9 of the power output wire is buckled through the arc-shaped sections on both sides. The segment 91 is buckled into the first annular buckle groove 6 and the second annular buckle groove 5 .

The bottom surfaces of the first annular buckle groove 6 and the second annular buckle groove 5 are both an arc-shaped buckle surface, the diameter of the arc-shaped buckle surface is larger than the width of the open end of the annular buckle groove, and the arc-shaped buckled section 91 of the flat section 9 They are respectively buckled into the arc buckle surface, so that the flat section is not easy to be pulled out and loosened after being buckled into the annular buckle groove, so as to achieve better assembly ability. The middle section of the flat section is formed between the upper shell and the lower shell. in the gap cavity.

The inner core wire 93 of the power output wire is arranged in the arc buckled section 91 of the flat section 9 and the main body section 14 , and one end of the inner core wire of the power supply is connected to the power output end of the adapter motherboard 11 .

Among them, the middle section 92 of the flat section 9 is made of elastic rubber material, so that the upper shell 1 and the lower shell 2 are squeezed elastically deformed, and the entire upper shell 1 and the lower shell 2 have very good elastic resistance. The upper shell 1 and the lower shell 2 are propped apart by the middle section 92, and the distance between the first metal insert 4 and the second metal insert 3 is greater than the distance between the first socket and the second socket on the socket. The distance between the upper shell and the lower shell is inserted into the first and second jacks of the socket by squeezing the upper shell and the lower shell, respectively inserting the first metal insert 4 and the second metal insert 3 into the first and second jacks of the socket, so loosen the upper shell 1 and the The lower shell 2 realizes the locking between the metal insert and the socket, and compresses the upper shell and the lower shell to realize loose plugging and unplugging.

As shown in FIG. 4 , the upper shell 1 is provided with a first opening slot 7 on the side opposite to the lower shell 2 , and the upper end face of the lower shell 2 facing the first opening slot 7 is provided with a second opening slot 8 . The inner side of the shell 2 facing the first opening slot and the second opening slot is provided with a wire buckle slot 18. One end of the flat section 9 of the power output cable is connected to the adapter main board 11 and then buckled into the wire buckle slot 18 and follows the first slot 18. An annular buckle groove 6 and a second annular buckle groove 5 are led out from the opening formed between the first opening slot 7 and the second opening slot 8 to the outside of the adapter main body after one turn.

In this embodiment, an arc-shaped positioning groove 41 is provided on the upper end surface of the first metal insert 4 and the lower end surfaces of the two second metal inserts 3 . When the first metal insert 4 and the second metal insert 3 After being inserted into the socket hole, the upper shell 1 and the lower shell 2 are propped apart by the elastic flat section, so that the arc-shaped positioning grooves 41 of the first metal insert 4 and the second metal insert 3 are pressed and positioned with the socket hole respectively. , so that the purpose of inserting and locking is achieved through the elastic self-locking force when the upper shell and the lower shell are not tightened, which can better prevent loosening during use. When the adapter needs to be pulled out, just pinch the upper shell and the lower shell. The shell can shorten the distance between the first metal insert and the second metal insert, so that the adapter can be easily pulled out.

Among them, as shown in FIG. 4 , the first opening slot 7 and the second opening slot 8 are provided with a guiding inclined surface 81 on the side away from the wire buckle groove. Pull out the flat section of the power output wire toward the guiding slope 81, so that the flat section 9 can be pulled out from the first annular buckle groove 6 and the second annular buckle groove 5 to realize the connection between the upper shell 1 and the lower shell 2. Quick separation.

The upper shell 1 and the lower shell 2 are provided with a "C"-shaped limit buckle 15 at the output end of the flat section 9 outside the upper shell 1 and the lower shell 2. The flat section 9 protrudes to the outside through the limit buckle 15. By setting the limit buckle 15 , so that the flat section will not be pulled out from the annular buckle groove when pulling the power output wire, and the flat section 9 will go around the annular buckle groove of the upper shell 1 and the lower shell 2 and then pass through the limit buckle to complete the assembly. The arrow as shown in Figure 3 is the winding direction of the flat segment, which is drawn out from the opening in the middle after making a circle. The opening of the limit buckle should be larger than the size of the joint at one end of the main segment. When , the connector can be easily pulled out from the limit buckle, so that the flat section can be pulled out from the annular buckle grooves of the upper shell and the lower shell.

In this embodiment, the cross section of the flat section 9 of the power output line is in the shape of an "8", and the fast connection and assembly between the upper shell 1 and the lower shell 2 are realized through the flat section 9 of the "8" shape, and the flat section 9 is used for quick connection and assembly. The characteristics make the whole adapter have a very good shock absorption effect and increase the insertion force after being inserted into the socket, effectively preventing loosening.

The beneficial effects of the present invention are as follows: 1. In the present invention, the upper shell and the lower shell are layered, an elastic flat section is arranged in the middle, and a gap cavity is formed in the middle, and the elastic flat section is used to make the upper shell and the lower shell have a space between them. Very good shock absorption ability, better protection of the adapter motherboard, safer to use;

2. The upper and lower metal inserts of the present invention are no longer installed on the same shell, so that it is divided into two independent components, so that the upper and lower shells are propped up by the flat section in the middle, and the first metal insert can be increased. The distance between the sheet and the second metal insert, and then after inserting into the jack, the first metal insert and the second metal insert move in the direction away from each other by using the elastic spreading force of the flat segment, and then locked The jack makes the power adapter have better stability when in use and effectively prevents loosening;

3. The present invention utilizes the flat section of the power output wire to complete the assembly between the upper shell and the lower shell, and simplifies the structure. When disassembling the adapter host, the flat section only needs to be pulled out from the annular buckle grooves of the upper shell and the lower shell. Quick disassembly can be achieved without other connection and assembly structures, the disassembly and assembly efficiency is greatly improved, and the structure is more reasonably utilized.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this, and any changes or substitutions that are not thought of through creative work should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope defined by the claims.

Claims (10)

1. A power adapter, characterized in that: comprising an adapter host, the adapter host has a power output line, and the power output line has a flat section and a main body section; The adapter host includes an upper shell and a lower shell, the upper shell is provided with a first annular buckle groove on the side opposite to the lower shell, and the upper end face of the lower shell facing the first annular buckle groove is provided with a second annular buckle groove. The flat section is buckled into the first annular buckle groove and the second annular buckle groove respectively, and is led out to the outside of the adapter host after wrapping around the upper shell and the lower shell. The main section of the power output line is connected to the output end of the flat section. , when the upper and lower sides of the flat section are respectively buckled into the first annular buckle groove and the second annular buckle groove, a gap cavity is formed between the upper shell and the lower shell, and one side of the upper shell is provided with a first metal insert, the lower Two pieces of second metal inserts are arranged on the shell on the same side of the first metal inserts. By squeezing the upper shell and the lower shell, the distance between the gap chambers is narrowed and the distance between the first metal inserts and the second metal inserts is adjusted. spacing. 2 . The power adapter according to claim 1 , wherein the flat section of the power output line includes a middle section and arc-shaped buckle-in sections arranged on both sides of the middle section, and the flat section of the power output line passes through the two sides. 3 . The arc-shaped buckle segment is buckled into the first annular buckle groove and the second annular buckle groove. 3. The power adapter according to claim 2, wherein the bottom surfaces of the first annular buckle groove and the second annular buckle groove are both an arc-shaped buckle surface, and the diameter of the arc-shaped buckle surface is larger than the diameter of the open end of the annular buckle groove. width, the arc-shaped buckled sections of the flat section are respectively buckled into the arc-shaped buckled surfaces, and the middle section of the flat section is located in the gap cavity formed between the upper shell and the lower shell. 4. The power adapter according to claim 1, characterized in that: the inner core wire of the power output wire is arranged in the arc-shaped buckle-in section of the flat section and in the main body section, and one end of the inner core wire of the power supply is connected to the power output of the main board of the adapter interface. 5 . The power adapter according to claim 2 , wherein the middle section of the flat section is made of elastic rubber material, so that the upper shell and the lower shell are squeezed and elastically deformed, and the upper shell is opened through the middle section. 6 . shell and lower shell, so that the distance between the first metal insert and the second metal insert is greater than the distance between the first jack and the second jack on the socket, and after squeezing the upper and lower shells, the The first metal insert and the second metal insert are respectively inserted into the first jack and the second jack of the socket. 6 . The power adapter according to claim 1 , wherein the upper shell is provided with a first opening slot on the side opposite to the lower shell, and the upper end face of the lower shell facing the first opening slot is provided with a second opening slot. 7 . The inner side of the upper shell and the lower shell facing the first opening slot and the second opening slot is provided with a wire slot, and one end of the flat section of the power output cable is connected to the main board of the adapter and then buckled into the wire slot and follows the first slot. An annular buckle groove and a second annular buckle groove are led out from the opening cavity formed between the first opening slot and the second opening slot to the outside of the adapter host after one turn. 7 . The power adapter according to claim 1 , wherein an arc-shaped positioning groove is formed on the upper end surface of the first metal insert and the lower end surfaces of the two second metal inserts. 8 . 8 . The power adapter according to claim 6 , wherein a guiding inclined surface is provided on the side of the first opening slot and the second opening slot away from the wire-buckling slot. 9 . 9 . The power adapter according to claim 1 , wherein a “C”-shaped limit buckle is provided at the output end of the flat section outside the upper shell and the lower shell, and the flat section extends through the limit buckle. 10 . out to the outside. 10 . The power adapter according to claim 1 , wherein the cross section of the flat section of the power output wire is in the shape of an "8". 11 .

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