CN219268061U

CN219268061U - Flexible circuit board with power-off protection function

Info

Publication number: CN219268061U
Application number: CN202320256549.1U
Authority: CN
Inventors: 方芳; 王少雨; 李山甲; 王国田
Original assignee: Shenzhen Xinhongju Electronics Co ltd
Current assignee: Shenzhen Xinhongju Electronics Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-27
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a flexible circuit board with a power-off protection function, which comprises: the circuit board head end is connected with the circuit board tail end through the protection structure, and the circuit board tail end is close to one end of the protection structure and provided with the first contact endpoint, and the circuit board head end has the following advantages: the circuit board end is provided with a second contact end point, one end of the second contact end point is inserted into the socket, then the poking plate is poked downwards, the circuit board end can be positioned on one side of the socket to be extruded and fixed under the cooperation of the limiting rod, the spring and the pressing plate which are arranged below the poking plate, when the circuit board head end and the circuit board end are connected with a protection structure to generate excessive heat in use and under a larger load, the fuse is disconnected, so that the circuit inside the circuit board head end and the circuit board end can be protected to be normal, and a person can detach the sealing plate after loosening the screw rod, so that the disconnected fuse can be replaced.

Description

Flexible circuit board with power-off protection function

Technical Field

The utility model relates to the technical field of flexible circuit boards, in particular to a flexible circuit board with a power-off protection function.

Background

The flexible circuit board is a printed circuit made of flexible insulating base materials, provides excellent electrical performance, can meet the design requirements of smaller and higher-density installation, is also helpful for reducing assembly procedures and enhancing reliability, is a unique solution for meeting the miniaturization and movement requirements of electronic products, can be freely bent, rolled and folded, can bear millions of dynamic bending without damaging wires, can be randomly arranged according to the space layout requirements, and can be randomly moved and stretched in a three-dimensional space, thereby achieving the integration of component assembly and wire connection.

Although the flexible circuit board used at present has the advantages, in actual use, when equipment is used for a long time or circuit current is overloaded, more heat is easily generated by the internal circuit of the flexible circuit board which is an electrified bridge, and when the heat exceeds the circuit load capacity, the flexible circuit board is easily damaged.

Disclosure of Invention

The utility model aims to solve the technical problems that although the flexible circuit board used at present has the advantages, in actual use, when equipment is used for a long time or circuit current is overloaded, more heat is easily generated by the internal circuit of the flexible circuit board which is an electrified bridge, and when the heat exceeds the circuit load capacity, the flexible circuit board is easily damaged, so the flexible circuit board with the power-off protection function is provided, and the problems are solved.

The technical scheme adopted for solving the technical problems is as follows: a flexible circuit board with power-off protection function, comprising: the circuit board head end, protective structure, circuit board end, first contact terminal point, circuit board head end passes through protective structure and connects circuit board end, circuit board end is close to protective structure one end and sets up first contact terminal point, protective structure includes connecting seat, wiring groove, wire holder, fuse, connecting seat one end fixed connection circuit board head end, connecting seat upper end one side is provided with the wiring groove, the equal symmetrical fixed connection in inside both ends of wiring groove is provided with the wire holder, the inside joint of wire holder has the fuse.

As a preferable technical scheme of the utility model, the jack is arranged on one side of the upper end of the connecting seat, a sealing plate is arranged on one side of the top end of the connecting seat corresponding to the wire connecting groove, inserting rods are arranged on the lower sides of two ends of the sealing plate, and a supporting block is arranged on one side of the lower end of the sealing plate.

As a preferable technical scheme of the utility model, the number of the inserting rods and the number of the inserting holes are two, the inserting rods are attached to the inner wall of the inserting holes in a sliding connection mode, the supporting block is opposite to the wire holder, and the sealing plate is made of transparent plastic.

As a preferable technical scheme of the utility model, the socket is arranged on one side of the connecting seat close to the tail end of the circuit board, a second contact endpoint is arranged on one side of the inside of the socket, a shaft hole is arranged on one side of the connecting seat close to the upper end of the socket, rotating shafts are symmetrically arranged at two ends of the shifting plate and are connected inside the shaft hole, a limiting rod is in limiting sliding connection with the inner wall of one side of the lower end of the shifting plate, a spring is arranged on one side of the limiting rod positioned inside the shifting plate, a pressing plate is fixedly connected on one side of the bottom end of the limiting rod, and a screw rod is in threaded connection with the inner wall of one side of the connecting seat corresponding to the jack.

As a preferable technical scheme of the utility model, the socket is plugged into the tail end of the circuit board, the first contact terminal is attached to the second contact terminal, and the pressing plate is contacted with one side of the tail end of the circuit board close to the second contact terminal.

As a preferable technical scheme of the utility model, the lead screw extends to the jack to be connected with the inserted rod through threads, and the wire holder is electrically connected with the head end of the circuit board, the fuse wire, the first contact terminal point and the second contact terminal point.

The utility model has the following advantages: the circuit board end is provided with a second contact end point, one end of the second contact end point is inserted into the socket, then the poking plate is poked downwards, the circuit board end can be positioned on one side of the socket to be extruded and fixed under the cooperation of the limiting rod, the spring and the pressing plate which are arranged below the poking plate, when the circuit board head end and the circuit board end are connected with a protection structure to generate excessive heat in use and under a larger load, the fuse is disconnected, so that the circuit inside the circuit board head end and the circuit board end can be protected to be normal, and a person can detach the sealing plate after loosening the screw rod, so that the disconnected fuse can be replaced.

Drawings

FIG. 1 is a schematic view of the construction of a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a split structure of a preferred embodiment of the present utility model;

FIG. 3 is a schematic view of a connection block in partial cross-section of a preferred embodiment of the present utility model;

FIG. 4 is a schematic diagram of a toggle plate detachment structure according to a preferred embodiment of the present utility model;

fig. 5 is a schematic view of a partially cut-away structure of a dial plate according to a preferred embodiment of the present utility model.

Reference numerals illustrate: 1. the head end of the circuit board; 2. a protective structure; 201. a connecting seat; 202. wiring grooves; 203. a wire holder; 204. a fuse; 205. a jack; 206. a sealing plate; 207. a rod; 208. a holding block; 209. a socket; 210. a second contact terminal; 211. a shaft hole; 212. a poking plate; 213. a rotating shaft; 214. a limit rod; 215. a spring; 216. a pressing plate; 217. a screw rod; 3. the tail end of the circuit board; 4. a first contact terminal.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1-5 in combination, a flexible circuit board with power-off protection function according to the present utility model includes: the circuit board head end 1, the protective structure 2, the circuit board tail end 3, first contact terminal point 4, circuit board head end 1 passes through protective structure 2 and connects circuit board tail end 3, circuit board tail end 3 is close to protective structure 2 one end and sets up first contact terminal point 4, protective structure 2 includes connecting seat 201, wiring groove 202, wiring seat 203, fuse 204, connecting seat 201 one end fixed connection circuit board head end 1, connecting seat 201 upper end one side is provided with wiring groove 202, the equal symmetrical fixed connection in both ends of wiring groove 202 is provided with wiring seat 203, the inside joint of wiring seat 203 has fuse 204.

As shown in fig. 2 and fig. 3, the jack 205 is disposed on one side of the upper end of the connection seat 201, the jack 205 is matched with the inserting rod 207 to facilitate the alignment of the sealing plate 206 with the top end of the connection seat 201, the sealing plate 206 is disposed on one side of the top end of the connection seat 201 corresponding to the wiring groove 202, inserting rods 207 are disposed on two sides of the two ends of the sealing plate 206, the lower end of the sealing plate 206 is provided with a supporting block 208, the two ends of the fuse 204 are pressed onto the wiring seat 203 through the supporting block 208, the inserting rods 207 and the jacks 205 are disposed in two, the inserting rods 207 are attached to the inner wall of the sliding connection jack 205, the supporting block 208 is opposite to the wiring seat 203, the sealing plate 206 is made of transparent plastic material, so that a person can observe which fuse 204 is broken, the inner wall of the connection seat 201 is connected with a screw rod 217 corresponding to the inner wall of the jack 205, the screw rod 217 extends to the inner screw of the inserting rod 207, the screw rod 217 is conveniently fixed in the jack 205 through the screw rod 217, the inserting rod 209 is disposed on one side of the connection seat 201 near the terminal 3 of the wiring board, the inner side of the socket 201 is provided with a second contact end 210, the upper end 212 is disposed on one side of the connection seat 209 near the upper end of the wiring board, the upper end of the shaft hole 212 is provided with a shaft hole 212, and the shaft hole 213 is symmetrically disposed on the two ends 213.

As shown in fig. 4 and fig. 5, the inner wall of the lower end side of the pulling plate 212 is provided with a limit rod 214 in a sliding manner, one side of the limit rod 214 located inside the pulling plate 212 is provided with a spring 215, one side of the bottom end of the limit rod 214 is fixedly connected with a pressing plate 216, when the pulling plate 212 is pulled, the tail end 3 of the circuit board can be extruded and fixed at the socket 209 by the cooperation of the limit rod 214, the spring 215 and the pressing plate 216, the socket 209 is plugged into the tail end 3 of the circuit board, the first contact terminal 4 is attached to the second contact terminal 210, the pressing plate 216 contacts one side of the tail end 3 of the circuit board close to the second contact terminal 210, and the wire holder 203 is electrically connected with the head end 1 of the circuit board, the fuse 204, the first contact terminal 4 and the second contact terminal 210.

Specifically, when the utility model is used, one end of the circuit board tail end 3 with the second contact end point 210 is inserted into the socket 209, then the poking plate 212 is poked downwards, so that the circuit board tail end 3 can be positioned at one side of the socket 209 to be extruded and fixed under the cooperation of the limiting rod 214, the spring 215 and the pressing plate 216 which are arranged below the poking plate 212, when the circuit board head end 1 and the circuit board tail end 3 generate excessive heat under larger load in use through the connection protection structure 2, the fuse 204 is disconnected, so that the circuit inside the circuit board head end 1 and the circuit board tail end 3 can be protected normally, and a person can detach the sealing plate 206 after loosening the screw rod 217, thereby replacing the disconnected fuse 204.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Other parts of the present utility model not described in detail are all of the prior art, and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. A flexible circuit board with power-off protection function, comprising: circuit board head end (1), protective structure (2), circuit board end (3), first contact terminal point (4), a serial communication port, circuit board head end (1) is through protective structure (2) connection circuit board end (3), circuit board end (3) are close to protective structure (2) one end and set up first contact terminal point (4), protective structure (2) are including connecting seat (201), wiring groove (202), wire holder (203), fuse (204), connecting seat (201) one end fixed connection circuit board head end (1), connecting seat (201) upper end one side is provided with wiring groove (202), the equal symmetrical fixed connection in inside both ends of wiring groove (202) is provided with wire holder (203), the inside joint of wire holder (203) has fuse (204).

2. The flexible circuit board with the power-off protection function according to claim 1, wherein the protection structure (2) further comprises a jack (205), a sealing plate (206), a plug rod (207) and a supporting block (208), the jack (205) is arranged on one side of the upper end of the connecting seat (201), the sealing plate (206) is arranged on one side of the top end of the connecting seat (201) corresponding to the wiring groove (202), the plug rods (207) are arranged on the lower sides of two ends of the sealing plate (206), and the supporting block (208) is arranged on one side of the lower end of the sealing plate (206).

3. The flexible circuit board with the power-off protection function according to claim 2, wherein two inserting rods (207) and two inserting holes (205) are respectively arranged, the inserting rods (207) are attached to the inner wall of the sliding connection inserting holes (205), the supporting blocks (208) are opposite to the wire holder (203), and the sealing plate (206) is made of transparent plastic.

4. The flexible circuit board with the power-off protection function according to claim 1, wherein the protection structure (2) further comprises a socket (209), a second contact endpoint (210), a shaft hole (211), a pulling plate (212), a rotating shaft (213), a limiting rod (214), a spring (215), a pressing plate (216) and a screw rod (217), the socket (209) is arranged on one side, close to the tail end (3) of the circuit board, of the connecting seat (201), the second contact endpoint (210) is arranged on one side, close to the upper end of the socket (209), of the connecting seat (201), a shaft hole (211) is arranged on one side, close to the upper end of the socket (209), of the pulling plate (212), rotating shafts (213) are symmetrically arranged at two ends of the pulling plate (212), the limiting rod (214) is connected to the inner wall of one side of the lower end of the pulling plate (212), the limiting rod (214) is arranged on one side, which is provided with the spring (215), the bottom end of the limiting rod (214) is fixedly connected with the pressing plate (216), and the connecting seat (201) is correspondingly connected with the screw rod (217) on one side of the inner wall of the pulling plate (205).

5. A flexible circuit board with power-off protection function according to claim 4, wherein the socket (209) is plugged into the circuit board terminal (3), the first contact terminal (4) is attached to the second contact terminal (210), and the pressing plate (216) contacts one side of the circuit board terminal (3) close to the second contact terminal (210).

6. The flexible circuit board with power-off protection function according to claim 4, wherein the screw rod (217) extends to the jack (205) to be connected with the plug rod (207) through threads, and the wire holder (203) is electrically connected with the head end (1), the fuse (204), the first contact terminal (4) and the second contact terminal (210) of the circuit board.