WO2019201015A1

WO2019201015A1 - Back-clamping battery

Info

Publication number: WO2019201015A1
Application number: PCT/CN2019/075939
Authority: WO
Inventors: 黄晓新
Original assignee: 深圳市蓝禾技术有限公司
Priority date: 2018-04-17
Filing date: 2019-02-22
Publication date: 2019-10-24
Also published as: CN108631417A; CN208461519U

Abstract

Disclosed in the present utility model is a back-clamping battery, used for charging an electronic device, and comprising a housing and a battery, a circuit board, and a jack positioned in the housing; the battery is used for storing electric power and is electrically connected to the circuit board, and the jack is fixed on the circuit board and is used for connecting to an external power source by means of a charging wire in order to charge the battery; the jack comprises an accommodating part and a pin part, a plurality of electric contact points used for electrical connection to a plug of the charging wire being arranged in the accommodating part, and the pin part comprising a plurality of pins, the plurality of pins respectively being electrically connected to the plurality of electric contact points; one end of the accommodating part has an opening for insertion of the plug, and the pins lead out from the other end of the accommodating part in a direction perpendicular to the direction that the plug is inserted into the accommodating part; the circuit board has a plurality of plug holes corresponding to the pins, the jack being electrically connected to the circuit board by means of inserting the plurality of pins respectively into the plurality of plug holes and welding same.

Description

Back clip battery

Technical field

The utility model relates to the technical field of electronic equipment accessories, in particular to a back clip battery.

Background technique

The back clip battery is an electronic accessory for charging an electronic device, and can be used as a mobile power source or a protective case, so it is favored by users; the existing back clip battery generally includes a housing for accommodating electronic equipment. And a circuit board and a battery disposed in the housing, the battery is used for storing electric power and electrically connected to the circuit board, and the circuit board is further provided with a connector for connecting the electronic device and for external power supply a socket connected to charge the battery, the socket having an opening exposed outside the casing, and a plug of a charging wire connected to an external power source is inserted into the socket from the opening, The battery is charged so that it stores power so that the electronic device can be charged through the connector in time. In order to save the internal space of the housing and at the same time enable the joint to better match the interface of the electronic device, the joint is generally disposed directly above the socket, and the insertion portion of the joint is an opening facing away from the socket. When the electronic device is received in the housing, the insertion portion of the connector is exactly aligned with the charging interface of the electronic device, and when the insertion portion is inserted into the interface in the electronic device, the electronic device can be charged by the battery, which is convenient User use.

However, the pins of the existing back-clip battery have soldered to the circuit board, and are drawn from the end of the socket (the end away from the opening), and then extend in a horizontal direction to form a row, and the surface of the circuit board is soldered by SMT. However, since the socket pins themselves are relatively small, the spacing between adjacent pins is relatively small. Therefore, if soldering is performed by SMT, it is easy to cause an empty soldering problem caused by insufficient soldering of the pins, thereby affecting the product. Welding quality.

Therefore, it is necessary to design a new back clip battery to solve the above problems.

Summary of the invention

In order to overcome the shortcomings and deficiencies in the prior art, the object of the present invention is to provide a back clip battery, which can effectively increase the tin soldering degree when the socket pins are soldered, thereby preventing the problem of empty soldering when the socket pins are soldered. To make the welding more stable.

In order to achieve the above object, the utility model adopts the following technical solutions:

A back clip battery for charging an electronic device, comprising: a housing and a battery, a circuit board and a socket located in the housing; the battery for storing power and electrically connecting the circuit board Connecting, the socket is fixed on the circuit board for connecting with an external power source through a charging line to charge the battery; the socket includes a receiving portion and a lead portion, and the receiving portion is provided with a plurality of electrical contacts electrically connected to the plug of the charging line, the pin portion comprising a plurality of pins, the plurality of pins being electrically connected to the plurality of electrical contacts respectively; One end having an opening for insertion of the plug, the plurality of pins being led out by the other end of the receiving portion in a direction perpendicular to the plug inserted into the receiving portion; the circuit board having the plurality of a plurality of jacks corresponding to the pins, the socket being electrically connected to the circuit board by inserting the plurality of pins into the plurality of jacks respectively for soldering.

Further, the insertion hole has an insertion end on an upper surface of the circuit board and a lead end on a lower surface of the circuit board, and the pin is inserted from the insertion end and protrudes from the lead end Soldering the solder at the insertion end and extending the solder from the periphery of the insertion end to the inside of the socket and wrapping or fixing the pin, or the pin is soldered at the lead end Solder extends from the periphery of the terminal to the inside of the socket and wraps and fixes the pin.

Further, the jack is a blind hole having an insertion end on an upper surface of the circuit board, the pin is inserted from the insertion end and soldered at the insertion end, and the solder is soldered from the insertion end The periphery extends into the interior of the jack and wraps and secures the pins.

Further, the plurality of electrical contacts are arranged in a row on an inner surface of the receiving portion in a direction parallel to the circuit board, and the plurality of pins are inserted into the receiving portion along the plug The directions are staggered into at least two rows.

Further, a plurality of conductive terminals are disposed in the receiving portion, the plurality of conductive terminals are provided with the plurality of electrical contacts and the plurality of pins, and the pins are away from the electrical contacts One end of the opening is formed by bending and extending perpendicular to a direction in which the plug is inserted into the receiving portion; the plurality of electrical contacts includes a plurality of first electrical contacts and a plurality of second electrical contacts, The length of the first electrical contact is greater than the length of the second electrical contact, the pin of the first electrical contact being further from the opening than the pin of the second electrical contact.

Further, a support structure is respectively disposed on two sides of the socket, and the support structure is formed by the socket protruding toward the circuit board, and the support structure is inserted into the circuit board to assist the socket. .

Further, a clamping arm is further disposed on both sides of the inner portion of the receiving portion, and the clamping arm includes a connecting portion, a clamping portion, and an elastic portion connecting the clamping portion and the connecting portion, the connecting portion is connected To the inner surface of the receiving portion and further away from the opening than the pin, the clamping portion is disposed adjacent to the opening, and when the plug is inserted into the receiving portion, the two clamping portions are The two sides of the plug are clamped together.

Further, a connector is further disposed above the socket for connection with a charging interface of the electronic device to charge the electronic device, the connector including charging for insertion into the electronic device An insertion portion in the interface and a soldering portion for soldering to the circuit board, the insertion portion being located above the socket, the insertion portion being provided with a plurality of contacts electrically connected to a charging interface of the electronic device The soldering portion has a plurality of solder joints soldered to the circuit board, and the plurality of solder joints are electrically connected to the plurality of contacts, respectively.

Further, the plurality of solder joints are respectively electrically connected to the plurality of contacts through a flexible cable, and the circuit board is further provided with an opening penetrating vertically, the flexible cable includes a first extension and a second An extension portion and a third extension portion extending from an end of the insertion portion and located above the socket, and an end of the first extension portion extending toward the opening to form the a second extension section, the second extension section is bent and extended to form the third extension section, and the plurality of solder joints are disposed on a surface of the third extension section facing the circuit board on.

Further, the housing includes a bottom wall and a side wall, and the bottom wall and the side wall are combined to receive the accommodating space of the electronic device, and the battery, the circuit board and the socket are embedded in the bottom In the wall, the joint is exposed in the accommodating space above the bottom wall, and the side wall is correspondingly provided with a through hole for exposing the opening, so that the socket can pass through the through hole and the Plug the charging cable.

Compared with the prior art, the utility model has the following beneficial effects:

The socket pin of the back clip battery of the present invention is led out from the other end of the accommodating portion in a direction perpendicular to the plug inserted into the accommodating portion, and the circuit board has a plurality of jacks corresponding to the plurality of pins, and the socket passes the plurality of pins They are respectively inserted into a plurality of jacks for soldering and electrically connected to the circuit board, so that the pins of the socket are soldered with a high degree of tin consumption, which can effectively prevent the problem of air soldering and the soldering is more stable.

DRAWINGS

1 is a perspective view of a back clip battery provided by a first embodiment of the present invention;

2 is a schematic view showing the circuit connection of the back clip battery shown in FIG. 1;

Figure 3 is an exploded view of the back clip battery of Figure 1;

4 is a schematic view showing the socket pin of the back clip battery shown in FIG. 1 inserted into the circuit board;

5 is a schematic view showing a socket and a connector of a back clip battery connected to a circuit board according to a second embodiment of the present invention;

Figure 6 is an exploded perspective view of Figure 5;

Figure 7 is a schematic view of Figure 6 after being turned over;

Figure 8 is a cross-sectional view of the socket of the back clip battery provided by the second embodiment of the present invention;

Figure 9 is a cross-sectional view showing another angle of the socket of the back clip battery according to the second embodiment of the present invention.

Description of the reference numerals:

The housing 10; the

long sides

101, 102; the short sides 130, 104; the bottom wall 12; the side wall 14; the through hole 142; the accommodation space 16;

a battery 20; a circuit board 22; an opening 221; a jack 23; an insertion end 231; a terminal 232; a transmitting coil 241;

Wireless charging circuit 242; socket 26; opening 260; receiving portion 261; electrical contact 262; first electrical contact 2621;

a second electrical contact 2622; a lead portion 263; a pin 264; a support structure 267; a clamp arm 268; a connecting portion 2681;

Elastic portion 2682; clamping portion 2683; joint 27; joint 271; solder joint 272; flexible cable 28; first extension 281;

a second extension 282; a third extension 283; an electronic device 30;

detailed description

The present invention will be further described with reference to the drawings and specific embodiments in order to facilitate a better understanding of the purpose, structure, features and functions of the present invention.

Referring to FIG. 1 to FIG. 4, a back clip battery for charging an electronic device 30 according to a first embodiment of the present invention is provided. The electronic device 30 can be an electronic device such as a mobile phone or a tablet computer; The back clip battery includes a housing 10 for being sleeved on the electronic device 30 and a battery 20 for storing power; the housing 10 has two opposite

long sides

101, 102 and two opposite

short sides

103, 104, the housing including the bottom The wall 12 and the side wall 14, the bottom wall 12 and the side wall 14 are formed into an accommodating space 10 for accommodating the electronic device 30; the side wall 14 is provided with a through hole 142, and the through hole 142 is located at a middle portion of the corresponding bottom short side 104.

Referring to FIG. 2, FIG. 3 and FIG. 4, the back clip battery further includes a circuit board 22, a wireless charging part, a socket 26, and a battery charging circuit. The battery 20 and the circuit board 22 are electrically connected by wires, and the wireless charging part includes the transmitting. The coil 241 and the wireless charging circuit 242, the wireless charging circuit 242 may be disposed on the circuit board 22, which is not limited by the present invention. The transmitting coil 241 is electrically connected to the battery 20 through the wireless charging circuit 242 such that the battery 20 is electrically connected to the transmitting coil 241 through the wireless charging circuit 242, so that the transmitting coil 241 can be electrically connected to the receiving coil in the electronic device 30 having the wireless charging function. The electric power stored in the battery 20 is magnetically induced to the electronic device 30, and the electronic device 30 is charged by wireless charging. After wireless charging, the electronic device 30 can also externally connect other accessories, such as earphones, or for data transmission through the charging socket.

The battery charging circuit is used to connect the battery 20 and the socket 26, so that the socket 26 is electrically connected to the battery 20. The battery charging circuit can be disposed on the circuit board 22. The present invention does not limit this. The outlet 26 is electrically coupled to the battery 20 by a battery charging circuit that can be coupled to an external power source via the outlet 26 to charge the battery 20.

In the present embodiment, the socket 26 includes a receiving portion 261 having an opening 260 for insertion of the plug, and a lead portion 263 having a plurality of electrical contacts therein, and the receiving portion 261 is provided with a plug for the charging wire. Inserted from the opening 260, the plug is inserted into the accommodating portion 261 in a direction parallel to the circuit board 22, and the direction parallel to the circuit board 22 is defined as the plug insertion/removal direction X, and the plug of the charging wire is inserted into the accommodating portion 261 and passed through the accommodating portion 261. The electrical contacts and the electrical contacts on the plug enable electrical connection of the socket 26 to the charging line; the pin portion 263 includes a plurality of pins corresponding to the electrical contacts on the receiving portion 261, the pins being the other end of the receiving portion 261 Leading out in a direction perpendicular to the insertion of the plug into the receiving portion 261 and electrically connected to the electrical contacts in the receiving portion 261, that is, the lead is led out by the receiving portion 261 in a direction perpendicular to the plug insertion and removal direction X and respectively with the receiving portion 261 The electrical contacts are electrically connected; the circuit board 22 has a plurality of jacks 23 corresponding to the plurality of pins of the lead portion 263, and the socket 26 is soldered by the pins inserted into the jack 23 perpendicularly to the plug insertion and removal direction X. The circuit board 22 is electrically connected, as shown in FIG. Further communicates battery charging circuit and a battery 20, such that when the socket 26 can charge the battery 20 is connected to external power source through a charging cable. The pins of the pin portion 263 are staggered in two rows, and the arrangement of the plurality of pins 22 of the circuit board 22 corresponding to the pins of the pin portion 263 is also staggered in two rows. It should be understood that this is only One embodiment of the utility model, in other embodiments, the pins of the lead portion 263 may be arranged in any manner, for example, arranged in three or more rows, etc., as long as the jack 23 of the circuit board 22 can be inserted. The socket 26 can be electrically connected to the circuit board 22, which is not limited by the present invention.

In this embodiment, the socket 26 is further provided with a supporting structure 267. The supporting structure 267 is formed by the socket 26 protruding toward the circuit board 22. The socket structure 26 is inserted into the circuit board 22 through the supporting structure 267 to assist the fixing of the socket 26, so that the socket 26 is further It is firmly fixed to the circuit board 22.

The position where the through hole 142 is disposed corresponds to the position at which the opening 260 of the socket 26 is disposed, so that the opening 260 is externally exposed through the through hole 142. It should be understood that the through hole 142 is located at the middle of the corresponding bottom short side 104 as an embodiment of the present invention. In other embodiments, the through hole 142 is disposed corresponding to the position of the opening 26 of the socket 26, and the present invention is The specific position of the through hole 142 is not limited as long as the socket 26 can be exposed so that the plug of the charging wire can be inserted into the socket 26.

Please refer to FIG. 5 to FIG. 9 , which are schematic diagrams of a back clip battery according to a second embodiment of the present invention. In this embodiment, the back clip battery includes a housing (not shown) and a battery located in the housing ( The structure of the casing and the battery in the present embodiment is the same as that of the casing and the battery in the first embodiment. Therefore, the casing is not visible in this embodiment. The battery in the embodiment is used for storing electric power and electrically connected to the circuit board 22. The socket 26 is fixed on the circuit board 22 for connecting with an external power source through a charging line to charge the battery, and the connector 27 is fixed to the socket. The upper portion of the 26 is used for connection with a charging interface of an electronic device (not shown) to charge the electronic device; the socket 26 includes a receiving portion 261 and a lead portion 263, and the receiving portion 261 is provided with a plug for electrically connecting with the plug of the charging line. The plurality of electrical contacts 262, the lead portion 263 includes a plurality of pins 264, and the plurality of pins 264 are electrically connected to the plurality of electrical contacts 262 respectively; one end of the receiving portion 261 has an opening 260 for inserting the plug, The foot 264 is perpendicular to the plug by the other end of the receiving portion 261 The circuit board 22 has a plurality of insertion holes 23 corresponding to the plurality of pins 264, and the socket 26 is soldered to the circuit board 22 by inserting the plurality of pins 264 into the plurality of insertion holes 23, respectively. Electrical connection, so that the socket 26 has a higher tin soldering degree when soldering, effectively preventing the problem of air soldering, and the soldering is more stable; currently, the technicians in the field of back clip battery products think that the battery in the back clip Setting the jack on the circuit board for socket pin insertion welding is not conducive to automatic production, which makes the production efficiency low. Therefore, it is not considered to install a jack on the circuit board for the pin insertion welding of the socket, so the existing back The socket pins of the clip battery products are soldered to the board in the form of SMT, enabling automated production.

Referring to FIG. 7 , FIG. 8 and FIG. 9 , in the embodiment, a plurality of electrical contacts 262 are arranged in a row along the direction parallel to the circuit board 22 on the inner surface of the receiving portion 261 , specifically, the electrical contacts. The rows 262 are arranged in a row on the lower inner surface of the receiving portion 261. Of course, in other embodiments, the electrical contacts 262 may also be disposed on the upper inner surface of the receiving portion 261 due to docking with the socket 26 in this embodiment. The charging cable plug has electrical contacts on the upper and lower surfaces thereof. Therefore, the socket 26 of the embodiment only needs to provide a row of electrical contacts on one of the inner surfaces of the receiving portion 261 to realize the forward and reverse insertion of the charging cable plug. The plurality of pins 264 are arranged in at least two rows along the direction in which the charging plugs are inserted into the receiving portion 261. Preferably, in the embodiment, the plurality of pins 264 are arranged in two rows, of course In other embodiments, the plurality of pins 264 may also be arranged in three rows or even more rows; the same row of phases can be made by staggering the plurality of pins 264 in the direction in which the charging wire plug is inserted into the receiving portion into at least two rows. The spacing between adjacent two pins 264 can be changed more That correspondingly, each of the jacks 23 on the circuit board 22 can also be designed to be larger, so that even if the socket 26 is slightly skewed due to a collision caused during transportation, the pin of the socket 26 is placed. When the 264 is inserted into the jack 23 on the circuit board, since the jack 23 on the circuit board is designed to be relatively large, even if the pin 264 is slightly skewed, it can be smoothly inserted into the jack 23 for soldering, thus reducing the product. The defect rate saves the manufacturing cost; and the pin 264 is designed such that the socket 23 of the corresponding circuit board at least two rows can be designed to accommodate a larger error, so that automatic production can be realized, that is, the socket is introduced by an automated machine. The foot 264 is inserted into the circuit board jack 23, which saves labor costs and is advantageous for improving production efficiency.

In this embodiment, the insertion hole 23 has an insertion end 231 on the upper surface of the circuit board 22 and a lead-out end 232 on the lower surface of the circuit board 22. The lead 264 is inserted from the insertion end 231 and protrudes from the lead end 232. When the lead 264 is soldered, the solder is soldered around the periphery of the insertion end 231, and the solder extends from the periphery of the insertion end 231 to the inside of the insertion hole 23 to wrap and fix the pin 264, thereby achieving soldering and fixing of the socket pin 264 and the circuit board 22. Electrically connected; of course, in other embodiments, if the surface of the circuit board 22 is fixed to the socket 26 and there are many other electronic components and circuit traces disposed adjacent the socket 26, in order to prevent other electronic components and circuit traces from being placed on the socket pins 264 soldering affects the soldering of the lead 264 around the leading end 232 of the circuit board 22, and the solder extends from the periphery of the leading end 232 to the inside of the jack 23 and wraps and fixes the pin 264, thereby implementing the socket pin. The soldering of 264 is fixed and electrically connected to the circuit board 22.

In another embodiment, the insertion hole 23 is a blind hole having an insertion end 231 on the upper surface of the circuit board 22, the pin 264 is inserted from the insertion end 231 and soldered at the insertion end 231, the solder The periphery of the insertion end 231 extends into the interior of the insertion hole 23 and wraps and fixes the pin 264, so as to achieve soldering and fixing of the socket pin 264 and electrical connection with the circuit board 22, by designing the socket 23 as Blind holes can effectively reduce damage to the circuit board 22.

Specifically, the housing portion 261 is provided with a plurality of conductive terminals, and the plurality of conductive terminals are provided with the plurality of electrical contacts 262 and the plurality of pins 264, each of which is made of a metal material having good conductivity. And integrally bent to form an electrical contact 262 and a pin 264 formed by bending one end of the electrical contact 262 away from the opening 260 in a direction perpendicular to the insertion of the plug into the receiving portion 261; further, more The electrical contacts 262 include a plurality of first electrical contacts 2621 and a plurality of second electrical contacts 2622, the length of the first electrical contacts 2621 being greater than the length of the second electrical contacts 2622, and the introduction of the first electrical contacts 2621. The foot 264 is further from the opening 260 than the pin 264 of the second electrical contact 2622 such that the pins 264 are arranged in two rows along the direction in which the plug is inserted into the receiving portion 261.

In this embodiment, the inner side of the accommodating portion 261 is further provided with a clamping arm 268. The clamping arm 268 includes a connecting portion 2681, a clamping portion 2683, and an elastic portion 2682 connecting the clamping portion 2681 and the connecting portion 2681. The connecting portion 2681 Connected to the inner surface of the receiving portion 261 and further away from the opening 260 than the pin 264, the clamping portion 2681 is disposed near the opening 260, and when the plug is inserted into the receiving portion 261, the two clamping arms 268 are respectively moved to the sides, After the plug is fully inserted, the two clamping portions 2683 are clamped together in the grooves on both sides of the plug to clamp and fix the plug, so that the connection between the charging wire and the socket 26 is more stable.

Referring to Figures 5, 6, and 7, the connector 27 includes an insertion portion for insertion into a charging interface of the electronic device and a soldering portion for soldering to the circuit board, the insertion portion being located above the socket 26 and inserted into the electronic device The direction of the charging interface is the same as the direction in which the charging cable plug is inserted into the receiving portion 261. The one end of the insertion portion away from the opening is provided with a plurality of contacts 271 electrically connected to the charging interface of the electronic device, and the soldering portion has soldering with the circuit board. Each of the plurality of solder joints 272 is electrically connected to the plurality of solder joints 271. Preferably, in the embodiment, the plurality of solder joints 272 pass through the plurality of contacts 271 respectively. The flexible cable 28 is electrically connected, and has good bending performance through the flexible cable 28 and is not easily broken. Of course, in other embodiments, the plurality of solder joints 272 and the plurality of contacts 271 may also pass through. The metal board is connected; the circuit board 22 is further provided with an opening 221 extending through the upper and lower sides. The flexible cable 28 includes a first extending portion 281, a second extending portion 282 and a third extending portion 283. The first extending portion 281 extends from the end of the insertion portion. Formed and located on the socket 26 The end of the first extending portion 281 extends toward the opening 221 to form a second extending portion 282. The second extending portion 282 extends through the opening 221 and then extends to form a third extending portion 283. The plurality of soldering points 272 are provided. On the surface of the third extension 283 facing the circuit board 22, specifically, the third extension 283 is bent and extended from the second extension 282 in a direction away from the insertion hole 221, so that the welding position of the joint solder joint 272 is The soldering positions of the socket pins 264 can be separated by a long distance to facilitate the soldering of the two.

In summary, the socket pin 264 of the back clip battery of the present invention is led out from the other end of the receiving portion 261 in a direction perpendicular to the plug inserted into the receiving portion 261, and the circuit board 22 has a plurality of jacks 221 corresponding to the pins 264. The socket 26 is electrically connected to the circuit board 22 by inserting a plurality of pins 264 into the plurality of sockets 221, respectively, so that when the pins 264 of the socket 26 are soldered, the pins 264 of the socket 26 have a higher tin consumption. Degree, can effectively prevent the problem of air welding, and the welding is more stable.

The embodiments of the present invention are disclosed above, but are not intended to limit the present invention, and those skilled in the art may, without departing from the spirit and scope of the present invention, the shapes described in the scope of the present application. The construction, the features, and the spirit of the invention are subject to change. Therefore, the scope of patent protection of the present invention is subject to the definition of the patent claims.

Claims

A back clip battery for charging an electronic device, comprising: a housing and a battery, a circuit board and a socket located in the housing; the battery for storing power and electrically connecting the circuit board Connecting, the socket is fixed on the circuit board for connecting with an external power source through a charging line to charge the battery; the socket includes a receiving portion and a lead portion, and the receiving portion is provided with a plurality of electrical contacts electrically connected to the plug of the charging line, the pin portion comprising a plurality of pins, the plurality of pins being electrically connected to the plurality of electrical contacts respectively; One end having an opening for insertion of the plug, the plurality of pins being led out by the other end of the receiving portion in a direction perpendicular to the plug inserted into the receiving portion; the circuit board having the plurality of a plurality of jacks corresponding to the pins, the socket being electrically connected to the circuit board by inserting the plurality of pins into the plurality of jacks respectively for soldering.
A back clip battery according to claim 1, wherein said jack has an insertion end on an upper surface of said circuit board and an output end on a lower surface of said circuit board, said pin Inserting and extending from the lead end, the pin is soldered at the insertion end and the solder extends from the periphery of the insertion end to the inside of the jack and wraps and fixes the pin, or The lead is soldered at the lead end and the solder extends from the periphery of the lead end to the inside of the jack and wraps and fixes the pin.
A back clip battery according to claim 1, wherein said jack is a blind hole having an insertion end on an upper surface of said circuit board, said pin being inserted from said insertion end and said The terminal solder is inserted, and the solder extends from the periphery of the insertion end to the inside of the insertion hole to wrap and fix the pin.
A back clip battery according to claim 1, wherein said plurality of electrical contacts are arranged in a row in an direction parallel to said circuit board on an inner surface of said housing portion, said plurality of leads The feet are staggered in at least two rows along the direction in which the plug is inserted into the receiving portion.
The back clip battery according to claim 1 or 4, wherein a plurality of conductive terminals are disposed in the receiving portion, and the plurality of conductive terminals are provided with the plurality of electrical contacts and the plurality of leads a pin formed by bending an end of the electrical contact away from the opening in a direction perpendicular to insertion of the plug into the receiving portion; the plurality of electrical contacts including a plurality of first An electrical contact and a plurality of second electrical contacts, the length of the first electrical contact being greater than a length of the second electrical contact, the pin of the first electrical contact being closer to the second electrical contact The pins are further away from the opening.
The back clip battery according to claim 1, wherein each of the two sides of the socket is provided with a support structure, and the support structure is formed by the socket protruding toward the circuit board, and the support structure is inserted through the support structure. The circuit board provides an auxiliary fixing function to the socket.
The back clip battery according to claim 1, wherein the inner side of the receiving portion is further provided with a clamping arm, the clamping arm includes a connecting portion, a clamping portion, and the connecting portion and the connecting portion. An elastic portion of the connecting portion, the connecting portion is connected to an inner surface of the receiving portion and further away from the opening than the pin, the clamping portion is disposed adjacent to the opening, and the plug is inserted into the opening When the inside of the accommodating portion is described, the two nip portions collectively hold both sides of the plug.
A back clip battery according to claim 1 further comprising a connector secured to said socket for connection to a charging interface of said electronic device for charging said electronic device The connector includes an insertion portion for insertion into a charging interface of the electronic device and a soldering portion for soldering to the circuit board, the insertion portion being located above the socket, the insertion portion being provided with the A plurality of contacts electrically connected to the charging interface of the electronic device, the soldering portion having a plurality of solder joints soldered to the circuit board, the plurality of solder joints being electrically connected to the plurality of contacts, respectively.
The back clip battery according to claim 8, wherein the plurality of solder joints are electrically connected to the plurality of contacts through a flexible cable, and the circuit board is further provided with an opening penetrating through the upper and lower sides. The flexible cable includes a first extension segment, a second extension segment and a third extension segment, the first extension segment extending from an end of the insertion portion and located above the socket, the end of the first extension segment Extending the direction of the opening to form the second extension, the second extension extends through the opening and then extends to form the third extension, the plurality of solder joints are disposed at the The third extension extends toward the surface of the circuit board.
The back clip battery according to claim 8, wherein the housing comprises a bottom wall and a side wall, and the bottom wall and the side wall are combined to receive an accommodation space of the electronic device, The battery, the circuit board and the socket are embedded in the bottom wall, and the joint is exposed in the accommodating space above the bottom wall, and the side wall is correspondingly provided with a through hole for exposing the opening, so that The socket may be connected to the plug of the charging wire through the through hole.