Flexible circuit board with firm connection
By setting fixing devices and bending grooves on the flexible circuit board, the problem of unstable connection of the flexible circuit board is solved, and stable connection and precise bending are achieved, thereby improving electrical performance.
Patent Information
- Application Number
- CN202520198526.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-08
AI Technical Summary
The lack of a locking and fixing structure when connecting flexible circuit boards to FPC connectors may cause displacement or stretching during long-term use or transportation, affecting the stability of the connection.
A flexible circuit board including a fixing device is designed. The flexible circuit board is fixed to the connector by a fixing bracket and screws. A bending groove is set on the circuit board to provide guidance and positioning for bending, ensuring the stability of the connection and precise bending.
It improves the stability of flexible circuit board connections, avoids damage caused by loosening and improper bending, and enhances the reliability of electrical performance.
Smart Images

Figure CN223911980U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flexible circuit board technical field, especially relate to a flexible circuit board of firm connection. BACKGROUND
[0002] Flexible circuit board (Flexible Printed Circuit, for short FPC) is a kind of flexible insulating material (such as polyimide or polyester film) as base material, printing or etching conductive material (such as copper, silver, etc.) on insulating material, the printed circuit board with high reliability, excellent flexibility made, therefore, flexible circuit board not only can freely bend, winding, folding, and because of using flexible insulating material, the wiring of circuit board can be more dense, improve the integration of circuit.
[0003] Flexible circuit board is generally connected by connector, FPC connector allows flexible printed circuit in electronic equipment and other electronic components or circuit board are connected, this connector has thin, light, high reliability and easy to assemble etc. UTILITY MODEL CONTENTS
[0004] The utility model discloses a flexible circuit board of firm connection can effectively solve the problem in the background art.
[0005] To achieve the above object, the technical scheme that the utility model takes is as follows:
[0006] A kind of flexible circuit board of firm connection, including flexible circuit board body, the left end of the flexible circuit board body is inserted and installed with one connector, the right end of the flexible circuit board body is inserted and installed with second connector, the corresponding one end of the one connector and second connector is jointly installed with fixed device, the front end and rear end of the one connector and second connector are fixedly installed with mounting plate, two installation holes are formed in the upper end of four mounting plates.
[0007] Preferably, the upper end front portion and upper end rear portion of the one connector and second connector are formed with a No. 1 threaded hole, a group of installation grooves are formed on the inner wall of the one connector and second connector, and a pin is fixedly installed in the two groups of installation grooves. The two ends of the flexible circuit board body are inserted into the one connector and second connector respectively, so that the contact terminals on the flexible circuit board body are in contact with the pins in the connector, and the flexible circuit board body is connected with other electronic components or circuit board through the connector.
[0008] Preferably, the fixing device comprises a first fixing frame and a second fixing frame, both upper ends of the first fixing frame and the second fixing frame are provided with two fixing screws, both lower ends of the first fixing frame and the second fixing frame are fixedly provided with a group of anti-skid convex points, and the first fixing frame and the second fixing frame are fixed on the first connector and the second connector respectively by the fixing screws. By placing the first fixing frame and the second fixing frame on the first connector and the second connector respectively, then screwing the fixing screws on the fixing frame into the first screw hole and the second screw hole, the flexible circuit board body is fixed on the connector, and the several anti-skid convex points made of rubber at the lower end of the fixing frame after installation also abut on the flexible circuit board body, thereby further improving the stability of the device and avoiding that the flexible circuit board body is easily stretched and loosened after installation.
[0009] Preferably, the upper middle part and the lower middle part of the flexible circuit board body are provided with bending grooves, a group of contact terminals are fixedly arranged at the left end and the right end of the flexible circuit board body, and two second screw holes are formed in the left upper end and the right upper end of the flexible circuit board body. By the design of the bending grooves, the bending of the circuit board is provided with clear guidance and positioning, and damage or electrical performance decline of the circuit board caused by incorrect bending is avoided.
[0010] Preferably, the pin is in the shape of "h", and the pin is fixed in the first connector through the mounting groove.
[0011] Preferably, the first screw hole and the second screw hole are consistent in size and correspond in position.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. When the flexible circuit board body needs to be connected, first, both ends of the flexible circuit board body are inserted into the first connector and the second connector respectively, so that the contact terminals on the flexible circuit board body are in contact with the pins in the connector, after the flexible circuit board body is installed, the first fixing frame and the second fixing frame of the fixing device are placed on the first connector and the second connector respectively, then the fixing screws on the fixing frame are screwed into the first screw hole and the second screw hole, thereby the flexible circuit board body is fixed on the connector, and the several anti-skid convex points made of rubber at the lower end of the fixing frame after installation also abut on the flexible circuit board body, thereby further improving the stability of the device and avoiding that the flexible circuit board body is easily stretched and loosened after installation, thereby improving the stability of the connection of the flexible circuit board body.
[0014] 2. The flexible circuit board body is further provided with a bending groove, the bending groove provides clear guidance and positioning for the bending of the circuit board, so that the angle and position of the bending can be more accurately controlled during the bending process, avoiding damage to the circuit board or degradation of electrical performance due to incorrect bending. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is an overall structure schematic view of the flexible circuit board with firm connection of the utility model;
[0016] Figure 2 It is an overall structure schematic view of the flexible circuit board with firm connection of the first connector and the second connector of the utility model;
[0017] Figure 3 It is an overall structure schematic view of the fixing device of the flexible circuit board with firm connection of the utility model;
[0018] Figure 4 It is an overall structure schematic view of the flexible circuit board body of the flexible circuit board with firm connection of the utility model.
[0019] In the figure: 1, flexible circuit board body; 2, first connector; 3, fixing device; 4, second connector; 5, mounting plate; 6, mounting hole; 20, mounting groove; 21, pin; 22, first screw hole; 30, first fixing frame; 31, second fixing frame; 32, fixing screw; 33, anti-skid convex point; 40, contact terminal; 41, second screw hole; 42, bending groove. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0021] In the description of the utility model, it should be pointed out that the positions or location relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are based on the positions or location relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "set with", "connection" and the like, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0023] As Figures 1-4 The utility model discloses a kind of flexible circuit boards of firm connection, including flexible circuit board body 1, flexible circuit board body 1 left end is inserted with one connector 2, flexible circuit board body 1 right end is inserted with second connector 4, one connector 2 and the corresponding end of second connector 4 are jointly installed with fixed device 3, one connector 2 and second connector 4 front end and rear end are fixedly installed with mounting plate 5, four mounting plate 5 upper end are all opened with two mounting holes 6.
[0024] One connector 2 and the upper end front portion and upper end rear portion of second connector 4 are all opened with No. Screw hole 22, the inner wall of one connector 2 and second connector 4 is all opened with a group of installation slot 20, two groups of installation slot 20 are all fixedly installed with pin 21;Pin 21 shape is "h" shape, and pin 21 is inserted and fixed in one connector 2 by installation slot 20.The two ends of flexible circuit board body 1 are inserted into one connector 2 and second connector 4 respectively, so that the contact terminal 40 on the flexible circuit board body 1 is contacted with the pin 21 in the connector, and the flexible circuit board body 1 is connected with other electronic components or circuit board by the connector.
[0025] Fixed device 3 includes one fixed frame 30 and second fixed frame 31, two fixed screws 32 are installed on the upper end of one fixed frame 30 and second fixed frame 31, a group of anti-skid convex points 33 are fixedly installed on the lower end of one fixed frame 30 and second fixed frame 31, one fixed frame 30 and second fixed frame 31 are fixed on one connector 2 and second connector 4 by fixed screw 32 respectively.By placing one fixed frame 30 and second fixed frame 31 on one connector 2 and second connector 4 respectively, then the fixed screw 32 on the fixed frame is screwed into No. Screw hole 22 and second screw hole 41, so that the flexible circuit board body 1 is fixed on the connector, and the several anti-skid convex points 33 of rubber material on the lower end of fixed frame after installation also rub on the flexible circuit board body 1, further improve the stability of device, avoid that flexible circuit board body 1 is installed and is easily subjected to external stretching and produce slack.
[0026] The flexible circuit board body 1 is provided with bending grooves 42 in the middle of the upper end and the lower end, and a group of contact terminals 40 are fixedly installed on the left end and the right end of the flexible circuit board body 1, and two No. 2 screw holes 41 are formed in the left part of the upper end and the right part of the upper end of the flexible circuit board body 1; the No. 1 screw hole 22 is consistent in size with the No. 2 screw hole 41 and corresponds in position. The bending grooves 42 provide clear guidance and positioning for the bending of the circuit board, avoiding damage to the circuit board or a decrease in electrical performance due to incorrect bending.
[0027] It should be noted that the utility model is a kind of flexible circuit board, first the both ends of flexible circuit board body 1 are inserted into No. 1 connector 2 and No. 2 connector 4 respectively, so that the contact terminal 40 on the flexible circuit board body 1 is in contact with the pin 21 in the connector, when the flexible circuit board body 1 is installed, the No. 1 fixing frame 30 and No. 2 fixing frame 31 of fixing device 3 are placed on No. 1 connector 2 and No. 2 connector 4 respectively, then the fixing screw 32 on the fixing frame is screwed into No. 1 screw hole 22 and No. 2 screw hole 41, so as to fix the flexible circuit board body 1 on the connector, and the several anti-skid convex points 33 of rubber material at the lower end of the fixing frame after installation also abut on the flexible circuit board body 1, further improve the stability of the device, avoid the flexible circuit board body 1 from being easily stretched after installation to produce looseness, so as to improve the stability of the connection of the flexible circuit board body 1, in addition, the flexible circuit board body 1 is also provided with bending grooves 42, the bending grooves 42 provide clear guidance and positioning for the bending of the circuit board, so that the angle and position of bending can be more accurately controlled during bending, avoiding damage to the circuit board or a decrease in electrical performance due to incorrect bending.
[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A flexible circuit board with a firm connection, comprising a flexible circuit board body (1), characterized in that: The flexible circuit board body (1) left end is inserted with a connector (2), the flexible circuit board body (1) right end is inserted with a connector (4), the connector (2) and the connector (4) corresponding one end is jointly installed with a fixing device (3), the connector (2) and the connector (4) front end and rear end are fixedly installed with mounting plate (5), four the mounting plate (5) upper end is opened with two mounting holes (6).
2. The secure connection flexible circuit board of claim 1, wherein: The upper end of the connector (2) and the upper end of the connector (4) are provided with a screw hole (22), and a group of installation grooves (20) are formed in the inner wall of the connector (2) and the connector (4). The two groups of installation grooves (20) are fixedly installed with pins (21).
3. The secure connection flexible circuit of claim 1 wherein: The fixing device (3) includes a first fixing frame (30) and a second fixing frame (31), the upper end of the first fixing frame (30) and the second fixing frame (31) is installed with two fixed screws (32), the lower end of the first fixing frame (30) and the second fixing frame (31) is fixedly installed with a group of anti-skid convex points (33), the first fixing frame (30) and the second fixing frame (31) are fixed on the connector (2) and the connector (4) by the fixed screws (32) respectively.
4. The secure connection flexible circuit of claim 2, wherein: The upper end of the flexible circuit board body (1) is provided with a bending groove (42), and the left end and the right end of the flexible circuit board body (1) are inserted and fixedly installed with a group of contact terminals (40), the upper end of the flexible circuit board body (1) is provided with two screw holes (41).
5. The secure connection flexible circuit of claim 2, wherein: The pin (21) is shaped as "h", and the pin (21) is inserted and fixed in the connector (2) through the installation groove (20).
6. The secure connection flexible circuit of claim 4, wherein: The size of the screw hole (22) is consistent with that of the second screw hole (41), and the positions are corresponding.