TWM590809U - Power adapter and output line structure thereof - Google Patents

Abstract

The present invention provides a power adapter and its output line structure. The power adapter includes an output line structure, a circuit board, a housing, and a limit structure. The output wire structure includes: a wire having a first connection end; and a conductive terminal electrically connected to the first connection end of the wire, the conductive terminal having a first terminal and a second terminal, wherein the first terminal of the conductive terminal Conductively connected to the first connection end of the wire, and the first terminal and the wire are partially encapsulated in a stress relief structure, and a part of the second terminal is exposed outside the stress relief structure. The structure of the new type power adapter and its output line is more conducive to automated assembly, saving manpower and working hours, and reducing manufacturing costs.

Description

Power adapter and its output line structure

The present invention relates to a power adapter, in particular to a power adapter that is convenient for automated assembly and its output line structure.

At present, in the manufacturing process of the power adapter, there are two main ways to connect the output line structure to the circuit board. The first method is shown in FIG. 1A, wherein the bare wire end 111 of the output line structure 11 and the copper foil 121 on the circuit board 12 are electrically connected to the circuit board 12 and the output line structure 11 by soldering. The second method is shown in FIG. 1B, in which the terminal 112 of the output line structure 11 is inserted into the corresponding board hole 122 on the circuit board 12, and then the circuit board 12 and the output line structure 11 are electrically connected by soldering. However, because the size of the circuit board of the power adapter is relatively small, and the wire at the end of the board is relatively soft, and the wire production speed is fast, the carrier cannot be used for the furnace, so it is necessary to manually install the wire and solder, which makes the operation difficult and impossible to achieve Automatic assembly operation, low efficiency. Moreover, these connection methods occupy more front space on the circuit board, resulting in a reduction in the available space of the circuit board and a lower utilization rate.

In view of this, an object of the present invention is to provide a power adapter and its output line structure to effectively solve one or more defects of the prior art and make it more convenient for automated assembly.

In order to achieve the above object, the present invention provides an output line structure of a power adapter, which is characterized by comprising: a wire rod having a first connection end; and a conductive terminal having a first terminal and a second terminal, wherein the first A terminal is electrically connected to the first connection end of the wire, and a portion of the first terminal and the wire is molded in a stress relief structure, and a portion of the second terminal is exposed to the stress relief structure.

In an embodiment of the present invention, the portion of the second terminal exposed from the stress relief structure has a contact hole.

In an embodiment of the present invention, the second terminal has at least one protrusion.

In an embodiment of the present invention, the portion of the second terminal exposed to the stress relief structure has a protrusion.

In an embodiment of the present invention, the first terminal and the second terminal of the conductive terminal are bent at a first angle.

In an embodiment of the present invention, the first terminal and the second terminal of the conductive terminal are bent into an L shape.

In an embodiment of the present invention, the first terminal has a first fixing portion adapted to be fixed to the first connection end of the wire, and/or adapted to the outer contour of the wire The fixed second fixing part.

In an embodiment of the present invention, the conductive terminal is a copper sheet terminal, and the wire and the copper sheet terminal are fixedly connected by clamping, welding, or riveting.

In an embodiment of the present invention, the stress relief structure is integrally formed.

In an embodiment of the present invention, the stress relief structure includes a first part, a second part, and a third part connected in sequence, wherein the first part accommodates part of the conductive terminal and has an outer diameter greater than that of the second part The outer diameter of the third portion accommodates a portion of the wire.

In an embodiment of the present invention, the third portion of the stress relief structure is vertically arranged with the first portion and the second portion and allows the wire to exit the wire in a vertical direction.

In an embodiment of the present invention, the third portion of the stress relief structure is horizontally arranged with the first portion and the second portion and allows the wire to exit the line in a horizontal direction.

In an embodiment of the present invention, the output line structure includes two conductive terminals, and the second terminals of the two conductive terminals are on the same horizontal plane and arranged at a second angle.

In order to achieve the above object, the present invention further provides a power adapter, which is characterized by comprising: the output line structure as described above; a circuit board, which is electrically connected to the second terminal of the conductive terminal of the output line structure; It has an accommodating space suitable for accommodating the circuit board; and a limit structure, and the circuit board and the output line structure are installed in the housing through the limit structure.

In another embodiment of the present invention, the limiting structure is a positioning column; or, the limiting structure is a boss with a groove.

In another embodiment of the present invention, the limiting structure is integrally formed with the housing.

In another embodiment of the present invention, the housing further includes a support portion adapted to support the output wire structure after assembly.

In another embodiment of the present invention, a conductive area is provided on a surface of the circuit board, and a conductive hole is provided in the conductive area.

In another embodiment of the present invention, a portion of the output wire structure exposed at the second terminal of the stress relief structure has a contact hole; and the limiting structure is a positioning post, the positioning post has an upper end and A lower end portion, the upper end portion passes through the guide hole on the circuit board and the contact hole on the second terminal in the output line structure, so that the circuit board and the output line structure Fixed in the housing.

In another embodiment of the present invention, the positioning post further has a fixing structure, so that the circuit board and the output line structure are assembled and fixed in the housing, and the circuit board passes through the conductive area and The second terminal contacts and is electrically connected.

In another embodiment of the present invention, the fixing structure is a hot-melt fixing structure formed by a hot-melt pillar provided on the top of the positioning post through hot-melting.

In another embodiment of the present invention, the fixing structure is a screw fixing structure that is fixed by a screw hole with an internal thread provided at the top of the positioning column and a screw with an external thread.

In another embodiment of the present invention, the fixing structure is a screw fixing structure that is locked by a mounting hole provided at the top of the positioning column and a self-tapping screw with an internal thread.

In another embodiment of the present invention, the fixing structure is composed of a hook provided at the top of the positioning column and the guide hole on the circuit board or the contact hole on the second terminal Clamping and matching fixed hook fixing structure.

In another embodiment of the present invention, the stress relief structure of the output line structure includes a first part, a second part, and a third part integrally formed and connected in sequence, wherein the first part accommodates part of the conductive terminal and the The outer diameter is greater than the outer diameter of the second portion, the third portion accommodates a portion of the wire of the output wire structure, and the support portion of the housing has a slot, the stress relief structure The second part is assembled and engaged in the card slot, and the first part and the third part are engaged with the card slot.

In another embodiment of the present invention, the second terminal has a first protrusion, and the first protrusion is bent downward with respect to the second terminal.

In another embodiment of the present invention, the second terminal of the output line structure is stacked above the circuit board, and the conductive area of the circuit board is located on the front of the circuit board, and The second terminals of the output line structure are in contact and electrically connected.

In another embodiment of the present invention, the second terminal further has a second protrusion, and the second protrusion is bent upward with respect to the second terminal.

In another embodiment of the present invention, the second terminal of the output line structure is stacked under the circuit board, and the conductive area of the circuit board is located on the back of the circuit board. The second protrusion is inserted into the guide hole of the circuit board, and is in contact with and electrically connected to the second terminal of the output line structure.

In another embodiment of the present invention, the limit structure is a boss with a groove, and the first protrusion is inserted into the groove of the boss, so that the circuit board and the The output wire structure is fixed in the housing.

The new type power adapter and its output line structure simplifies the output line assembly operation, and is more conducive to the automatic assembly of the power adapter, saving manpower and man-hours, and reducing manufacturing costs.

The above description will be described in detail in the following embodiments, and further explanation will be provided for the technical solution of the present invention.

In order to make the description of the present invention more detailed and complete, please refer to the attached drawings and the various embodiments described below. The same numbers in the drawings represent the same or similar components. On the other hand, well-known elements and steps are not described in the embodiments to avoid unnecessary restrictions to the present invention. In addition, in order to simplify the drawings, some known conventional structures and elements will be shown in a simple schematic manner in the drawings.

As shown in FIG. 2, it shows the structure of a preferred embodiment of the output line structure 20 of the power adapter of the present invention. The output line structure 20 mainly includes a wire 21, at least one conductive terminal 22 and a strain relief structure (Strain relief structure) 23. The wire 21 has a first connection end. The conductive terminal 22 is conductively connected to the first connection end of the wire 21. In this embodiment, the conductive terminal 22 may be, for example, a copper sheet terminal, and it includes two conductive terminals 22a and 22b, such as a positive terminal and a negative terminal. Yu is electrically connected to the positive output line and the negative output line of the wire 21, respectively. In this embodiment, the second terminals 222a and 222b of the two conductive terminals 22a and 22b are preferably on the same horizontal plane and arranged at an angle, for example, 90°. Of course, it can be understood that the angle is not limited to 90°, for example, the second terminals 222a and 222b may be arranged in parallel.

With reference to FIGS. 3A and 3B, each conductive terminal 22 has a first terminal 221 and a second terminal 222, wherein the first terminal 221 is fixed and electrically connected to the first connection terminal of the wire 21, and the first terminal Parts of 221 and the wire 21 are molded in the stress relief structure 23, as shown in FIG. 2. Further, a part of the second terminal 222 may also be molded in the stress relief structure 23. The part of the second terminal 222 that is not molded is provided with a contact hole 2221. The contact hole 2221 is exposed to the stress relief structure 23.

Preferably, in this embodiment, the first terminal 221 and the second terminal 222 of each conductive terminal 22 are bent at an angle, for example, bent 90° into an “L” shape. Of course, it can be understood that the angle is not limited to 90°, and even the first terminal 221 and the second terminal 222 may be in the same plane, that is, no bending is performed.

3A and 3B, preferably, in this embodiment, the first terminal 221 may have a first fixing portion 2211, and / or, a second fixing portion 2212, wherein the first fixing portion 2211 and the wire The first connecting end of 21 is fitted and fixed, and the second fixing portion 2212 is fitted and fixed to the outer contour of the wire 21. Further, for the first fixing portion 2211 or the second fixing portion 2212 inserted into the wire 21, the operator can further clamp the first fixing portion 2211, the second fixing portion 2212 with tools such as pliers, so that The connection end is clamped and fixed. Further, the wire and the conductive terminal 22 can also be fixed by soldering. In some other embodiments, the wire 21 and the conductive terminal 22 can also be fixed by welding, riveting, etc., which is not limited in this case.

Further, the second terminal 222 of the conductive terminal 22 further has at least one protruding portion, which extends outward and protrudes upward or downward relative to the plane where the second terminal is located. As shown in FIG. 3C, a structure of another preferred embodiment of the conductive terminal 22 in the output line structure shown in FIG. 2 is shown. In this embodiment, a plurality of protrusions 2225 are distributed on the periphery of the contact hole 2221 on the second terminal 222 of the conductive terminal 22, and these protrusions 2225 extend toward the inner portion of the contact hole 2221 and then protrude outward, for example toward the first The upper surface of the second terminal 222 protrudes outward by a predetermined height; in some other embodiments, the protrusion 2225 may also protrude a certain height toward the lower surface of the second terminal 222. In other embodiments, the protruding portion may be distributed on the outer edge of the second terminal 222 of the conductive terminal 22, and the protruding portion may extend outward along the outer edge of the second terminal and be opposite to the second wiring The plane where the end lies protrudes upward or downward.

Referring back to FIG. 2, preferably, the stress relief structure 23 is used to eliminate the influence of the stress on the circuit board when the wire is pulled. For example, it can be formed as one piece, and can include a first part 231 and a second part 232 connected in sequence ( For a clearer structure, see FIG. 6A) and a third part 233, wherein the first part 231 plastically encapsulates part of the conductive terminal 22 therein, and its outer diameter is larger than that of the second part 232, and the third part 233 accommodates the wire 21 Part of.

In the embodiment shown in FIG. 2, the third portion 233 of the stress relief structure 23 is vertically arranged with the first portion 231 and the second portion 232 and allows the wire 21 to exit in the vertical direction inside the stress relief structure. Of course, in other embodiments, as shown in FIG. 4, the third portion 233 and the first portion 231 and the second portion 232 of the stress relief structure 23 may be horizontally arranged and allow the wire 21 to exit in the horizontal direction. The present invention is not limited to the specific structure and shape of the stress relief structure 23.

Corresponding to the output line structure 20 shown in FIG. 2, the structure of the circuit board 50 of the present invention may be as shown in FIGS. 5A and 5B, that is, a conductive surface is provided on one surface of the circuit board 50 (for example, the back surface of the circuit board) The regions 52a and 52b are used to contact and electrically connect the second terminals 222a and 222b of the two conductive terminals 22a and 22b of the output line structure 20, respectively. Furthermore, the conductive area 52a has a guide hole 51a, and the conductive area 52b has a guide hole 51b. In this embodiment, the circuit board 50 may further have an opening 53 for facilitating the placement of the stress relief structure 23 of the output line structure 20, so that the contours of the circuit board 50 and the stress relief structure 23 are placed in the housing 60 to match To provide space utilization. However, the present invention does not limit the shape and structure of the circuit board.

Corresponding to the output line structure 20 shown in FIG. 2, the structure of the housing 60 of the present invention can be as shown in FIG. 6A, which has an accommodating space 605 suitable for accommodating the circuit board 50, and an interior of the housing 60 The bottom surface can also be provided with a limit structure 61, for example, including positioning posts 61a and 61b, which are used for guiding and fixing after assembly of the circuit board 50 and the output line structure 20. Further, the housing 60 may further include a support portion 62 adapted to support the output wire structure 20 after assembly. The size and shape of the support portion 62 of the housing 60 can be adjusted according to the design of the output line structure. The supporting portion 62 of the housing 60 further has a clamping groove 63 for clamping and fixing the stress relief structure of the output wire structure 20.

The assembly of the circuit board and output line structure of the power adapter of the present invention will be described in detail below with reference to FIGS. 6A to 6C. In this embodiment, the conductive terminals of the circuit board 50 and the output line structure 20 are assembled on the housing 60 from top to bottom. In some other embodiments, the second connection end of the conductive terminal in the output line structure 20 may also be disposed above the circuit board 50.

6B is a schematic structural view of the assembly of the output line structure shown in FIG. 6A assembled on the housing, where the positioning posts 61a and 61b respectively pass through the second of the two conductive terminals 22a and 22b of the output line structure 20 during assembly The contact hole 2221 (not shown in the figure) on the terminal, the second part 232 of the stress relief structure 23 is assembled and engaged in the slot 63 correspondingly, and the first part 231 and the third part 233 of the stress relief structure 23 and the slot 63 The front and back snaps make the output line structure 20 fixed relative to the housing. The third portion 233 of the stress relief structure 23 in the output wire structure 20 is correspondingly placed on the support portion 62 of the housing 60. In this embodiment, the positioning post has an upper end and a lower end, wherein the size of the upper end is smaller than the size of the lower end to form a boss, and the diameter of the upper end in the illustration is smaller than the diameter of the lower end. The diameter of the contact hole 2221 on the conductive terminal is larger than the diameter of the upper end of the positioning post and smaller than the diameter of the lower end, so that the conductive terminal can be placed on the platform. In this case, the shape of the positioning post and the shape of the contact hole on the conductive terminal are not limited, as long as the two match to perform positioning.

Next, as shown in FIG. 6C, the circuit board 50 is then assembled on the structure shown in FIG. 6B. Similarly, the guide holes 51a and 51b on the circuit board 50 are sleeved on the upper ends of the positioning posts 61a and 61b, so that The second terminal of the output line structure 20 is stacked under the circuit board 50, and the conductive areas 52a and 52b on the back of the circuit board 50 are in contact with and electrically connected to the second terminals of the two conductive terminals 22a and 22b, respectively . It should be noted that in some other embodiments, the conductive regions 52a and 52b may also be disposed on the front of the circuit board 50, and the second terminal of the output line structure 20 may also be stacked above the circuit board 50. This is limited.

Finally, a fixed structure may be used to fixedly connect the assembled circuit board 50 and the output line structure 20, so that the conductive areas 52a and 52b of the circuit board 50 and the conductive terminal 22 are not only physically contacted and fixed, but also electrically stable and electrically connected . As shown in FIGS. 7A and 7B, it shows the structure of the first embodiment of the fixing structure of the present invention, wherein the fixing structure may be formed by hot-melt pillars 611a and 611b provided at the tops of the positioning pillars 61a and 61b by hot-melting For the hot-melt fixing structure, for the assembled circuit board 50 and the output line structure 20, for example, the hot-melt columns 611a and 611b can be hot-pressed by a hot-melt machine to expose the hot-melt parts on the front of the circuit board 50, so that the hot-melt column melts The circuit board 50 and the conductive terminal 22 are fixed.

As shown in FIGS. 8A and 8B, it shows the structure of the second embodiment of the fixing structure of the present invention, wherein the fixing structure can be provided with screw holes 612a and 612b with internal threads provided at the top ends of the positioning posts 61a and 61b, respectively. Screws 65a and 65b with external threads cooperate with a fixed thread fixing structure. On the other hand, the fixing structure can also be fixed by a threaded fixing structure that can be fixed by a mounting hole provided at the top of the positioning column and a self-tapping screw with external threads, wherein the diameter of the mounting hole is smaller than the diameter of the self-tapping screw The self-tapping screw taps the thread to lock the circuit board 50 and the conductive terminal 22.

In the present invention, corresponding to the fixed structure shown in FIGS. 8A and 8B, preferably, the output line structure 20 shown in FIG. 2 may adopt the structure of the conductive terminal 22 shown in FIG. 3C, that is, the conductive At least one protrusion 2225 is distributed on the periphery of the contact hole 2221 on the second terminal 222 of the terminal 22. In this way, in the process of locking and fixing the screws, the circuit board 50 is in contact with the protrusions 2225, and the protrusions 2225 are flattened by the screw and the reaction force of the boss of the corresponding positioning post to make the conductive terminal The upper surface around the contact hole 2221 of the second terminal 222 of 22 is in close contact with the conductive area on the back of the circuit board 50, thereby making the electrical connection between the circuit board 50 and the output line structure 20 more reliable. Similarly, in some other embodiments, the protrusion may be located on the outer edge of the second terminal 222 of the conductive terminal 22.

As shown in FIGS. 9A and 9B, it shows the structure of the third embodiment of the fixing structure of the present invention, wherein the fixing structure can be provided by the hooks 613a and 613b and the circuit board 50 provided on the top of the positioning posts 61a and 61b The edge of the corresponding guide hole is snap-fitted with a fixed hook fixing structure. Of course, it can be understood that when the circuit board 50 is assembled first and then the output line structure 20 is assembled, the hooks 613a and 613b can be connected to the edges of the contact holes on the second terminals of the two conductive terminals 22a and 22b of the output line structure 20 Clamping fit fixed.

As shown in FIG. 10, it shows a structure of another preferred embodiment of the output line structure 20 of the power adapter of the present invention, which differs from the embodiment shown in FIG. 2 in that the conductive terminal 22 (eg The portions including the conductive terminals 22a and 22b) exposed to the second terminals 222a and 222b of the stress relief structure 23 have protrusions, for example, including the first protrusion 2223 and the second protrusion 2222.

More specifically, FIG. 11 shows the structure of the conductive terminal 22 in the output line structure 20 shown in FIG. 10, wherein the conductive terminal 22 also has a first terminal 221 and a second terminal 222, the first terminal 221 and the first connection end of the wire 21 are fixed and electrically connected, and parts of the first terminal 221 and the wire 21 are molded in the stress relief structure 23, as shown in FIG. Further, part of the second terminal 222 may also be molded in the stress relief structure 23. Furthermore, the first terminal 221 may further have a first fixing portion 2211 and/or a second fixing portion 2212, wherein the first fixing portion 2211 is adapted to be fixed to the first connection end of the wire 21, and the second fixing portion 2212 Fits and fixes with the outer contour of the wire 21. The difference from the embodiment shown in FIG. 3A is that in this embodiment, a portion of the second terminal 222 that is not molded is provided with a protrusion, for example, including a first protrusion 2223 and a second protrusion 2222.

As shown in FIG. 12A, it shows a schematic structural diagram of a housing 60 of another preferred embodiment in which the power adapter of the present invention is assembled with the output line structure 20 shown in FIG. 10, and the housing shown in FIG. 6A The difference is that, in this embodiment, the limiting structure 61 of the power adapter is a boss with a groove provided on the housing 60, for example, including bosses 61c and 61d, wherein the top of the boss 61c has a groove 611c, The top of the boss 61d has a groove 611d.

12B is a schematic view of the structure of the output line structure 20 shown in FIG. 10 assembled on the housing 60 of FIG. 12A, wherein, during assembly, the first terminals on the second terminals of the conductive terminals 22a and 22b of the output line structure 20 The protrusions 2223 are respectively inserted into the grooves 611c and 611d on the bosses 61c and 61d, respectively.

12C is a schematic structural view of the circuit board 50 assembled on the structure shown in FIG. 12B, wherein, during assembly, the second protrusions 2222 on the second terminals of the conductive terminals 22a and 22b of the output line structure 20 respectively correspond to Ground is inserted into the guide hole (not shown in the figure, see FIG. 5A and FIG. 5B) on the circuit board 50, so that the circuit board 50 and the output line structure 20 can be fixed in the housing 60.

In some other embodiments, the ends of the conductive terminals 22 (for example, including the conductive terminals 22a and 22b) exposed to the second terminals 222a and 222b of the stress relief structure 23 have only the first protrusion 2223 bent downward; further The conductive areas 52a and 52b on the circuit board 50 are provided on the front of the circuit board 50. During installation, the second terminals 222 of the output wire structure 20 are stacked above the circuit board 50, and the first protrusions 2223 pass through the circuit respectively The guide holes on the board 50 are correspondingly inserted into the grooves 611c and 611d on the bosses 61c and 61d, so that the circuit board 50 and the output wire structure 20 can be fixed in the housing 60.

In summary, the manufacturing of the new type of power adapter can include the following steps: Step 1. Fix the copper terminal and wire by clamping, soldering or riveting; Step 2. Plasticly encapsulate the copper terminals and wires in the stress relief structure; Step 3. Assemble the output cable structure to the plastic shell and position it through the positioning column on the plastic shell; Step 4. Assemble the circuit board, wherein the guide holes on the circuit board and the positioning posts on the plastic casing are positioned and assembled. After assembly, the copper terminal and the conductive area of the circuit board are in contact to achieve electrical connection (no soldering is required).

It can be seen from this that the new power adapter and its output line structure not only simplify the assembly work of the output line structure, but also facilitate the automatic assembly of the power adapter, save manpower and man-hours, and reduce manufacturing costs.

Although the present invention has been disclosed as above by way of implementation, it is not intended to limit the present invention. Anyone who is familiar with this art can make various changes and modifications within the spirit and scope of the present invention, so the protection of the present invention The scope shall be subject to the scope defined by the attached patent application scope.

20‧‧‧ output line structure 21‧‧‧Wire 22, 22a, 22b ‧‧‧ conductive terminals 23‧‧‧Stress relief structure 50‧‧‧ circuit board 51a, 51b ‧‧‧ pilot hole 52a, 52b ‧‧‧ conductive area 53‧‧‧ opening 60‧‧‧Housing 61‧‧‧Limit structure 61a, 61b‧‧‧positioning column 61c, 61d‧‧‧Boss 62‧‧‧Support 63‧‧‧Card slot 65a, 65b‧‧‧screw 221‧‧‧First terminal 222, 222a, 222b ‧‧‧ second contact end 231‧‧‧Part 1 232‧‧‧Part Two 233‧‧‧Part Three 605‧‧‧accommodating space 611a, 611b ‧‧‧ hot melt column 611c, 611d‧‧‧groove 612a, 612b ‧‧‧ screw hole 613a, 613b ‧‧‧ card hook 2211‧‧‧First fixed part 2212‧‧‧Second fixed part 2221‧‧‧Access hole 2222‧‧‧The second bump 2223‧‧‧The first bump 2225‧‧‧Projection

In order to make the above and other objects, features, advantages and embodiments of the present invention more obvious and understandable, the attached drawings are described as follows: FIG. 1A is a schematic diagram of a first connection method of an output line structure of a power adapter and a circuit board in the prior art; 1B is a schematic diagram of a second connection method of the output line structure of the power adapter and the circuit board in the prior art; 2 is a schematic structural view of a preferred embodiment of the output line structure of the new-type power adapter, wherein the wire material of the output line structure is a vertical outlet; 3A is a schematic structural view of a preferred embodiment of the conductive terminal in the output line structure shown in FIG. 2; 3B is a schematic diagram of the connection between the conductive terminal and the wire shown in FIG. 3A; 3C is a schematic structural view of another preferred embodiment of the conductive terminal in the output line structure shown in FIG. 2; 4 is a schematic structural view of another preferred embodiment of the output line structure of the new type power adapter, wherein the wire material of the output line structure is a horizontal outlet; 5A is a schematic front view of the circuit board of the new-type power adapter, wherein the circuit board is provided with guide holes; 5B is a schematic diagram of the back of the circuit board of the new-type power adapter, in which a conductive area is provided on the back of the circuit board; 6A is a schematic diagram of the output line structure of the new-type power adapter and the structure before assembly of the housing; 6B is a schematic structural view of the output line structure shown in FIG. 6A assembled on the housing; 6C is a schematic structural view of the circuit board assembled on the structure shown in FIG. 6B; 7A and 7B are structural schematic diagrams of a first embodiment of a new type of fixed structure, wherein FIG. 7A is a structural schematic diagram before fixing, and FIG. 7B is a structural schematic diagram after fixing; 8A and 8B are schematic structural diagrams of a second embodiment of a new type of fixed structure, wherein FIG. 8A is a schematic structural diagram before fixing, and FIG. 8B is a schematic structural diagram after fixing; 9A and 9B are structural schematic diagrams of a third embodiment of the new fixed structure, wherein FIG. 9A is a structural schematic diagram before fixing, and FIG. 9B is a structural schematic diagram after fixing; 10 is a schematic structural diagram of yet another preferred embodiment of the output line structure of the new type power adapter, in which the conductive terminal is exposed on the portion of the second terminal of the stress relief structure having protrusions; 11 is a schematic structural view of the conductive terminal in the output line structure shown in FIG. 10; 12A is a schematic structural diagram of a housing of another preferred embodiment in which a new type of power adapter is assembled with the output line structure shown in FIG. 10, wherein the limiting structure is a grooved boss provided on the housing ; 12B is a schematic structural view of the output line structure shown in FIG. 10 assembled on the casing of FIG. 12A; FIG. 12C is a schematic diagram of a circuit board assembled on the structure shown in FIG. 12B.

20‧‧‧ output line structure

21‧‧‧Wire

22, 22a, 22b ‧‧‧ conductive terminals

23‧‧‧Stress relief structure

222a, 222b ‧‧‧ second contact

231‧‧‧Part 1

232‧‧‧Part Two

233‧‧‧Part Three

Claims (30)

An output wire structure of a power adapter includes: a wire rod having a first connection end; and a conductive terminal having a first terminal and a second terminal, wherein the first terminal and the first connection end of the wire It is electrically connected, and parts of the first terminal and the wire are molded in a stress relief structure, and a part of the second terminal is exposed to the stress relief structure. According to the output line structure of the power adapter according to claim 1, the portion exposed at the second terminal of the stress relief structure has a contact hole. According to the output line structure of the power adapter according to claim 2, the second terminal has at least one protrusion. According to the output line structure of the power adapter according to claim 1, the portion exposed to the second terminal of the stress relief structure has a protrusion. According to the output line structure of the power adapter according to claim 1, the first terminal and the second terminal of the conductive terminal are bent at a first angle. According to the output line structure of the power adapter according to claim 5, the first terminal and the second terminal of the conductive terminal are bent into an L shape. According to the output wire structure of the power adapter according to claim 1, the first terminal has a first fixing portion adapted to be fixed to the first connection end of the wire, and/or, to the wire The outer contour of the is adapted to the fixed second fixing part. According to the output wire structure of the power adapter according to claim 1, the conductive terminal is a copper sheet terminal, and the wire and the copper sheet terminal are fixedly connected by clamping, welding or riveting. According to the output line structure of the power adapter according to claim 1, the stress relief structure is integrally formed. The output line structure of the power adapter according to claim 9, the stress relief structure includes a first part, a second part, and a third part connected in sequence, wherein the first part accommodates part of the conductive terminal and has an outer diameter greater than The outer diameter of the second part, and the third part accommodates a part of the wire. According to the output line structure of the power adapter according to claim 10, the third part and the first part of the stress relief structure It is arranged perpendicular to the second part and allows the wire to be discharged in the vertical direction. According to the output line structure of the power adapter according to claim 10, the third part of the stress relief structure is horizontally arranged with the first part and the second part and allows the wire to be discharged in a horizontal direction. The output line structure of the power adapter according to any one of request items 1 to 12, the output line structure includes two of the conductive terminals, and the second terminals of the two of the conductive terminals are at the same Arranged on the horizontal plane and at a second angle. A power adapter, comprising: the output line structure as described in any one of the request items 1 to 13; a circuit board, which is electrically connected to the second terminal of the conductive terminal of the output line structure; The accommodating space of the circuit board; and a limit structure, the circuit board and the output line structure are installed in the housing through the limit structure. According to the power adapter of claim 14, the limit structure is a positioning column; or, the limit structure is a boss with a groove. According to the power adapter of claim 15, the limit structure is integrally formed with the housing. The power adapter according to claim 14, the housing further includes a support portion adapted to support the output wire structure after assembly. According to the power adapter of claim 16, a conductive area is provided on a surface of the circuit board, and a conductive hole is provided in the conductive area. According to the power adapter of claim 18, the output wire structure has a contact hole on a portion of the second terminal exposed from the stress relief structure; and the limiting structure is a positioning post, and the positioning post has an upper end and A lower end portion, the upper end portion passes through the guide hole on the circuit board and the contact hole on the second terminal in the output line structure, so that the circuit board and the output line structure Installed in the housing. According to the power adapter of claim 19, the positioning post further has a fixing structure, so that the circuit board and the output line structure are assembled and fixed in the housing, and the circuit board passes through the conductive area and The second terminal contacts and is electrically connected. The power adapter according to claim 20, wherein the fixing structure is a hot-melt fixing structure formed by hot-melting columns provided at the top of the positioning column through hot-melting. According to the power adapter of claim 20, the fixing structure is a screw fixing structure that is fixed by screw holes with internal threads provided at the top of the positioning column and screws with external threads. According to the power adapter of claim 20, the fixing structure is a screw fixing structure that is locked by a mounting hole provided at the top of the positioning column and a self-tapping screw with an internal thread. The power adapter according to claim 20, wherein the fixing structure is composed of a hook provided at the top of the positioning column and the guide hole on the circuit board or the contact hole on the second terminal Clamping and matching fixed hook fixing structure. The power adapter according to claim 17, the stress relief structure of the output line structure includes a first part, a second part, and a third part integrally formed and connected in sequence, wherein the first part accommodates part of the conductive terminal and the The outer diameter is greater than the outer diameter of the second portion, the third portion accommodates a portion of the wire of the output wire structure, and the support portion of the housing has a slot, the stress relief structure of the The second part is assembled and engaged in the card slot, and the first part and the third part are engaged with the card slot. The power adapter according to claim 18, the second terminal has a first protrusion, and the first protrusion is bent downward with respect to the second terminal. According to the power adapter of claim 26, the second terminal of the output line structure is stacked above the circuit board, and the conductive area of the circuit board is located on the front of the circuit board, and The second terminals of the output line structure are in contact and electrically connected. According to the power adapter of claim 26, the second terminal further has a second protrusion, and the second protrusion is bent upward with respect to the second terminal. According to the power adapter of claim 28, the second terminal of the output wire structure is stacked under the circuit board, and the conductive area of the circuit board is located on the back of the circuit board. The second protrusion is inserted into the guide hole of the circuit board, and is in contact with and electrically connected to the second terminal of the output line structure. The power adapter according to claim 26 or 28, the limit structure is a boss with a groove, and the first protrusion is inserted into the groove of the boss, so that the circuit board and The output wire structure is fixed in the housing.

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