TWM550491U - Cable connector assembly for power adaptor - Google Patents

Description

Cable connector assembly for power adapter

The present invention relates to a cable connector assembly, and more particularly to a power adapter, which uses a terminal to connect a cable to a circuit board without stripping the insulating layer, and the terminal is soldered to the circuit. Connector assembly on the board.

With the advancement of technology, various electronic devices continue to innovate and provide more superior functions. In various electronic devices, various electrical functions are realized through a circuit board and various electronic components. In the case of a power adapter (adaptor), in the manufacturing process of the power adapter, various electronic components need to be connected to the circuit board through different process technologies. In addition, the power adapter needs to be provided with a cable. The external electronic devices are electrically connected to electrically connect other electronic devices that transmit power to the outside through the cable, so the connection between the cable of the power adapter and the circuit board is also important.

At present, the conventional cable and the circuit board are connected in such a manner that the circuit board is boring to form a guide hole, and the insulating layer located on the outer layer of the cable is stripped, and then the core in the cable is inserted into the circuit board. Corresponding guide holes are combined and assembled. However, the connection method of the cable and the circuit board is required to first remove the insulating layer of the cable, and then insert the core into the corresponding guiding hole in the circuit board and assemble the same, which will cause complicated production steps. It is not conducive to mass production in the industry.

In addition, in order to avoid the risk of electric shock when assembling, another conventional cable is connected to the circuit board by placing a first connector on the guiding hole of the circuit board and insulating the outer layer of the cable. Stripping, connecting the core in the cable to a contact terminal, and inserting the contact terminal into the second connector, so that the first connector is connected to the second connector, Connect the cable to the board. However, since the connection mode of the cable and the circuit board also needs to be stripped of the insulation layer of the cable, there are not only the production steps are cumbersome, but also the lack of mass production in the industry, and the use of two connectors is required. And the problem of rising production costs.

Therefore, how to develop a cable connector assembly suitable for a power adapter that overcomes the above disadvantages is an urgent need.

The main purpose of the present invention is to provide a cable connector assembly suitable for a power adapter, which solves the problem that the connection between the conventional cable and the circuit board needs to be stripped of the insulation of the cable, resulting in a cumbersome production process. It is not conducive to the lack of mass production in the industry, and at the same time to solve the connection between the conventional cable and the circuit board. In order to avoid the risk of electric shock when assembling, two connectors must be used, resulting in a lack of production cost.

In order to achieve the above object, a broader aspect of the present invention provides a cable connector assembly suitable for a power adapter, comprising: at least one cable comprising an insulating layer and a core, and an insulating layer package a circuit board comprising: at least one via hole and a first surface and a second surface opposite to each other, the via hole penetrating through the first surface and the second surface; and at least one terminal is formed by the first surface The utility model is disposed in the guiding hole and comprises a clamping portion and a wearing portion, wherein the clamping portion is located on the first surface for clamping the cable and simultaneously piercing the insulating layer to be connected with the wire core, and the wearing portion is The first surface is inserted into the guide hole, and partially protrudes from the second surface to form a welded portion, and the welded portion is soldered to fix the terminal to the circuit board.

In order to achieve the above object, another generalized embodiment of the present invention provides a power adapter comprising: a first housing including a first recess; and a second housing coupled to the first housing, And including a second recess disposed at a position corresponding to the first recess; and the cable connector assembly is disposed in the accommodating space formed by the first housing and the second housing, and includes at least one cable a cable, the cable includes an insulating layer and a core, wherein the cable portion is received in a cable slot formed by the first recess and the second recess; the circuit board includes at least one via hole and the first opposite to each other And the second surface, the through hole is formed through the first surface and the second surface; and the at least one terminal is disposed in the guiding hole by the first surface, and includes a clamping portion and a through portion, and the clamping portion is located at the first surface On one side, the cable is clamped and the insulating layer is punctured at the same time to be guided to the core, and the through portion is inserted into the guide hole through the first surface, and partially protrudes from the second surface to form a welded portion. The soldering portion is soldered to ensure that the terminals are fixed on the circuit board.

1, 7‧‧‧ cable connector assembly

2‧‧‧ cable

21‧‧‧Insulation

22‧‧‧Wire core

3‧‧‧Circuit board

31‧‧‧ first side

32‧‧‧ second side

33‧‧‧Guidance

4‧‧‧ Terminal

41‧‧‧Clamping Department

411‧‧‧ gripping end

412‧‧‧The first piercing end

413‧‧‧second piercing end

414‧‧‧ Groove

42‧‧‧ Department of Wear

421‧‧‧ Third Clamping Department

422‧‧‧Fourth Joint Department

5‧‧‧Welding Department

50‧‧‧ Solder

6‧‧‧Insulated connector

611‧‧‧ accommodating slots

612‧‧‧Slots

613‧‧‧First engagement department

614‧‧‧Second Bonding Department

8‧‧‧Power adapter

81‧‧‧First housing

811‧‧‧ first recess

82‧‧‧ second housing

821‧‧‧Second recess

1 is a schematic structural view of a cable connector assembly of the preferred embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view showing the cable connector assembly shown in Fig. 1 in the A-A' direction.

Figure 3 is a cross-sectional view showing the cable connector assembly of the second preferred embodiment of the present invention.

Fig. 4 is a schematic exploded view showing the power adapter of the cable connector assembly shown in Fig. 1.

Figure 5 is a flow chart showing the steps of the method of assembling the first preferred embodiment of the cable connector assembly shown in Figure 1.

Figure 6 is a flow chart showing the steps of the method of assembling the second preferred embodiment of the cable connector assembly shown in Figure 1.

Some exemplary embodiments embodying the features and advantages of the present invention are described in detail in the following description. It should be understood that the present invention is capable of various modifications in various embodiments and is not intended to limit the scope of the invention.

Please refer to FIG. 1 and FIG. 2 , wherein FIG. 1 is a schematic structural view of a cable connector assembly according to a preferred embodiment of the present invention, and FIG. 2 is a cable connector assembly shown in FIG. 1 at A-A. Schematic diagram of the profile of the direction. As shown in FIGS. 1 and 2, the cable connector assembly 1 can be, but is not limited to, applied to a power adapter and includes at least one cable 2, a circuit board 3, and at least one terminal 4. The cable 2 includes an insulating layer 21 and a core 22, and the insulating layer 21 covers the outer ring portion of the core 22 such that the core 22 is substantially at the center of the insulating layer 21. The circuit board 3 includes at least one via hole 33 and a first surface 31 and a second surface 32 opposite to each other. The guide hole 33 penetrates through the first surface 31 and the second surface 32. The terminal 4 is made of a conductive material, and is provided in the guide hole 33 by the first surface 31 of the circuit board 3, and includes a clamping portion 41 and a piercing portion 42. The clamping portion 41 is located on the first surface 31 for clamping the cable 2, and simultaneously pierces the insulating layer 21 when the cable 2 is clamped, and is further connected to the core 22. The insertion portion 42 is integrally formed with the clamping portion 41 , and is inserted into the guide hole 33 via the first surface 31 , and partially protrudes from the second surface 32 to form the welded portion 5 , and the welded portion 5 is soldered to the solder 50 . The terminal 4 can be fixed to the circuit board 3.

As can be seen from the above, the cable connector assembly 1 of the present invention is provided with a terminal 4 on the circuit board 3, and the terminal 4 can simultaneously pierce the insulating layer 21 of the cable 2 and the core 22 when the cable 2 is clamped. Therefore, the production process of the cable connector assembly 1 of the present invention can be simplified to facilitate mass production in the industry, as compared with the conventional cable in which the insulating layer is stripped to be assembled with the circuit board.

In the above embodiment, the number of the cables 2 may be plural. Therefore, the guiding holes 33 and the terminals 4 of the circuit board 3 may also correspond to a plurality of terminals, wherein each of the terminals 4 is disposed in the corresponding guiding hole 33, and each The clamping portion 41 of the terminal 4 clamps the corresponding cable 2, and simultaneously pierces the insulating layer 21 of the cable 2 when the corresponding cable 2 is clamped, and is further connected to the core 22 of the cable 2. In addition, the cable 2 can be a power line or a signal line.

In some embodiments, the circuit board 3 can be a single-sided circuit board, and the first surface 31 of the circuit board 3 corresponds to a conduction surface made of copper, and the second surface 32 corresponds to a non-conduction surface. In some specific cases, for example, the cable connector assembly 1 is applied to a power adapter and the power adapter is required to meet miniaturization requirements such that the circuit board 3 that is a single-sided circuit board is required to have associated electronics on the first side 31 The component, that is, the first face 31 has no additional space to provide the electrical connection path of the terminal 4, so that the terminal 4 and the other terminal 4 must be electrically connected by the second face 32, since the cable connector assembly 1 of the present invention will When the terminal 4 is disposed on the first surface 31, the through portion 42 of the terminal 4 is inserted into the guiding hole 33 via the first surface 31, and partially protrudes from the non-conducting surface to form the welded portion 5, so that The terminal 4 is electrically connected to the other terminal 4 on the second surface 32 by soldering the solder 50 to the solder portion 5.

Of course, in other embodiments, the circuit board 3 can also be a double-sided circuit board. Therefore, the first surface 31 and the second surface 32 of the circuit board 3 correspond to a conductive surface formed of copper.

In other embodiments, as shown in FIGS. 1 and 2 , the clamping portion 41 includes a clamping end 411 and at least one piercing end, such as the first piercing end 412 shown in FIGS. 1 and 2 . And a second piercing end 413. The clamping end 411 has a groove 414, and the width of the groove 414 can be substantially equal to the wire diameter of the cable 2, the groove 414 is for accommodating the cable 2, and when the groove 414 accommodates the cable 2 The clamping end 411 holds the outer ring portion of the cable 2 to fix the cable 2 in the recess 414. The first piercing end 412 and the second piercing end 413 are respectively extended from the clamping end 411 toward the groove 414 and integrally formed with the clamping end 411 for receiving the cable 2 when the groove 414 is received. The insulating layer 21 of the cable 2 is pierced and guided to the core 22.

In some embodiments, to provide a function to avoid electric shock, an insulated connector can be added within the cable connector assembly. Please refer to FIG. 3, which is a cross-sectional structural view of the cable connector assembly of the second preferred embodiment of the present invention. As shown in FIG. 3, the cable connector assembly 7 of the present embodiment is similar in structure and function to the cable connector assembly 1 of the first embodiment, so that the same reference numerals are used to represent the structure and function, and the description is omitted. . The cable connector assembly 7 of the present embodiment further includes an insulating connector 6 in which the insulating connector 6 includes a receiving groove 611 and a through groove 612. Locating slot The size of 611 actually corresponds to the size of the clamping portion 41 of the terminal 4 for accommodating the clamping portion 41 of the terminal 4. The through slot 612 is in communication with the receiving slot 611, and the width of the through slot 612 actually corresponds to the width of the through portion 42 of the terminal 4. The slot 612 is provided for receiving the receiving portion 41. When the groove 611 is inside, the through portion 42 of the terminal 4 is accommodated, and the through portion 42 is partially protruded from the through groove 612.

In addition, in some embodiments, the insulating connector 6 further includes a first engaging portion 613 and a second engaging portion 614 disposed in the through slot 612. The wearing portion 42 also includes a third engaging portion 421 and a fourth engaging portion 422 which are flexible, wherein the third engaging portion 421 is disposed at a position corresponding to the first engaging portion 613, and the fourth engaging portion The portion 422 is disposed at a position corresponding to the second engaging portion 614. The third engaging portion 421 and the fourth engaging portion 422 are respectively configured to be respectively associated with the first card when the wearing portion 42 is received in the through groove 612. The joint portion 613 and the second engaging portion 614 are engaged with each other, and the insulating connector 6 is fixed to the terminal 4. In some embodiments, the first engaging portion 613 and the second engaging portion 614 are respectively concave portions, and the third engaging portion 421 and the fourth engaging portion 422 are respectively convex portions, but are not limited thereto.

As can be seen from the above, since the cable connector assembly 7 disclosed in the present invention directly presses the cable 2 into the clamping portion 41 of the terminal 4, the cable 2 and the circuit board 3 can be assembled via the terminal 4, so that the cable The wire connector assembly 7 only needs to be provided with a single insulated connector 6 to provide the function of avoiding contact with the terminal 4 to cause electric shock, and it is not necessary to provide another connector on the cable 2 to be assembled with the insulated connector 6. The production cost of the wire connector assembly 7 can be relatively inexpensive due to the need for a single insulated connector 6.

Please refer to FIG. 4, which is a schematic exploded view of the power adapter of the cable connector assembly shown in FIG. 1. As shown in Fig. 4, the power adapter 8 includes a first housing 81, a second housing 82, and a cable connector assembly 1 as shown in Fig. 1. The first housing 81 is assembled with the second housing 82, and an accommodating space is formed between the first housing 81 and the second housing 82 for receiving the cable connector assembly 1 . The first housing 81 further includes a first recess 811, and the second housing 82 further includes a second recess 821 disposed corresponding to the position of the first recess 811. When the first housing 81 and the second housing 82 are assembled Thereafter, the first recess 811 and the second recess 821 will cooperate with each other to form a cable slot for accommodating the cable connector assembly 1 The cable 2 is separated, and the cable 2 extends from the outside of the power adapter 8 in the accommodating space between the first housing 81 and the second housing 82.

In some embodiments, the electronic components required for the power adapter 8 can be disposed on the circuit board 3 of the cable connector assembly 1.

Referring to FIG. 5, and in conjunction with FIG. 1, FIG. 5 is a flow chart showing the steps of the assembling method of the first preferred embodiment of the cable connector assembly shown in FIG. 1. As shown in FIG. 5, first, step S1 is performed, the terminal 4 is disposed on the first surface 31 of the circuit board 3, and the through portion 42 of the terminal 4 is inserted into the guiding hole 33 via the first surface 31. And partially protruding from the second surface 32 to form the welded portion 5. Next, in step S2, the solder 50 is soldered to the soldering portion 5, and the terminal 4 is fixed to the circuit board 3. Finally, step S3 is performed to set the cable 2 on the clamping portion 41 of the terminal 4, so that the clamping portion 41 clamps the cable 2 and pierces the insulating layer 21 to be guided to the core 22 of the cable 2.

Please refer to FIG. 6 and FIG. 1 , wherein FIG. 6 is a flow chart showing the steps of the assembling method of the second preferred embodiment of the cable connector assembly shown in FIG. 1 . As shown in FIG. 6, first, step M1 is performed to set the cable 2 on the clamping portion 41 of the terminal 4, so that the clamping portion 41 holds the cable 2 and pierces the insulating layer 21 to connect with the cable 2. The core 22 is guided. Then, the terminal 4 is disposed on the first surface 31 of the circuit board 3, and the through portion 42 of the terminal 4 is inserted into the guiding hole 33 via the first surface 31 and partially protrudes from the second surface 32. The welded portion 5 is formed. Finally, in step M3, the solder 50 is soldered to the soldering portion 5, and the terminal 4 is fixed to the circuit board 3.

In summary, the present invention discloses a cable connector assembly suitable for a power adapter, wherein the cable connector assembly of the present invention is provided with a terminal on the circuit board, and the terminal can be used to simultaneously spur the cable when the cable is clamped. Breaking the insulation of the cable and guiding it to the core. Therefore, the insulation of the cable must be stripped off before the cable can be assembled with the circuit board. The production steps of the cable connector assembly of the present invention can be simplified and facilitated. Mass production in the industry. In addition, the cable connector assembly of the present invention only needs to directly press the cable into the clamping portion of the terminal, so that the cable and the circuit board are connected via the terminal, so the cable connector assembly of the present invention only needs to be A single insulated connector is provided to provide the function of avoiding electric shock caused by contact terminals, and there is no need to provide another connector on the cable to be assembled with the insulated connector, so the production cost of the cable connector assembly can be single Insulated connectors are cheaper.

This case has been modified by people who are familiar with the technology, but it is not intended to be protected by the scope of the patent application.

1‧‧‧Cable connector assembly

2‧‧‧ cable

21‧‧‧Insulation

22‧‧‧Wire core

3‧‧‧Circuit board

31‧‧‧ first side

32‧‧‧ second side

33‧‧‧Guidance

4‧‧‧ Terminal

41‧‧‧Clamping Department

411‧‧‧ gripping end

412‧‧‧The first piercing end

413‧‧‧second piercing end

414‧‧‧ Groove

42‧‧‧ Department of Wear

5‧‧‧Welding Department

50‧‧‧ Solder

Claims (13)

A cable connector assembly suitable for a power adapter, comprising: at least one cable, the cable comprising an insulating layer and a core, the insulating layer covering the outer ring portion of the core; a circuit The board includes at least one via hole and a first surface and a second surface opposite to each other, the via hole penetrating through the first surface and the second surface; and at least one terminal disposed on the first surface a guiding portion and a penetrating portion are disposed in the guiding hole, the clamping portion is located on the first surface for clamping the cable and simultaneously piercing the insulating layer to be connected to the wire core The through portion is inserted into the guiding hole through the first surface, and partially protrudes from the second surface to form a soldering portion, wherein the soldering portion is soldered to fix the terminal to the circuit On the board. The cable connector assembly of claim 1, wherein the power adapter comprises: a first housing including a first recess; and a second housing coupled to the first housing The body is assembled and includes a second recess disposed at a position corresponding to the first recess; wherein the cable connector assembly is disposed after the first housing and the second housing are assembled In a receiving space, the cable portion is received in a cable slot formed by the first recess and the second recess. The cable connector assembly of claim 1, wherein the terminal is made of a conductive material. The cable connector assembly of claim 1, wherein the clamping portion is integrally formed with the through portion. The cable connector assembly of claim 1, wherein the circuit board is a single-sided circuit board or a double-sided circuit board. The cable connector assembly of claim 1, wherein the clamping portion includes a clamping end and at least one piercing end, the clamping end having a recess for receiving the cable. The clamping end clamps the outer ring portion of the cable to fix the cable in the groove, and the piercing end is used for piercing the insulating layer and guiding the wire core. The cable connector assembly of claim 6, wherein the width of the groove is equal to the wire diameter of the cable. The cable connector assembly of claim 6, wherein the at least one piercing end comprises a first piercing end and a second piercing end, the first piercing end and the second barbed end The breaking ends respectively extend from the clamping end toward the groove and are integrally formed with the clamping end. The cable connector assembly of claim 1, wherein the cable connector assembly comprises an insulating connector, the insulating connector includes a receiving slot and a through slot, the receiving slot is configured to: The accommodating portion is configured to communicate with the through groove, and the through groove is configured to receive a portion of the through portion, and the through portion protrudes from the through groove. The cable connector assembly of claim 9, wherein the size of the receiving groove corresponds to the size of the clamping portion, and the width of the through groove corresponds to the width of the through portion. The cable connector assembly of claim 9, wherein the insulating connector comprises a first engaging portion and a second engaging portion disposed in the through slot, and the through portion The third engaging portion and the fourth engaging portion are disposed, wherein the third engaging portion is disposed at a position corresponding to the first engaging portion, and the fourth engaging portion is coupled to the second engaging portion Correspondingly, the third engaging portion and the fourth engaging portion are configured to respectively engage the first engaging portion and the first portion when the wearing portion is received in the through groove The two engaging portions are engaged. The cable connector assembly of claim 11, wherein the first engaging portion and the second engaging portion are respectively a recess, and the third engaging portion and the fourth engaging portion are respectively They are each a convex part. A power adapter includes: a first housing including a first recess; a second housing coupled to the first housing and including a position corresponding to the first recess a second recess; and a cable connector assembly disposed in one of the accommodating spaces formed by the first housing and the second housing, and including at least one cable, the cable includes An insulating layer and a core, wherein the cable portion is received in a cable slot formed by the first recess and the second recess; a circuit board comprising at least one via hole and one opposite to each other The first surface and the second surface, the guiding hole is formed through the first surface and the second surface; and the at least one terminal is disposed in the guiding hole by the first surface, and includes a clamping portion and a a wearing portion, the clamping portion is located on the first surface for clamping the cable and simultaneously piercing the insulating layer to be connected to the core, the through portion is inserted through the first surface Provided in the guide hole and partially protruding from the second surface to form a soldering portion, the soldering portion is provided for soldering, so that Terminals fixed to the circuit board.