Mounting structure of cover-free direct-pressing type FPC (Flexible Printed Circuit) connector

Abstract

The utility model discloses a mounting structure of a cover-free direct pressure type FPC connector, which relates to the field of FPC connectors, and comprises a circuit board, a flexible circuit board and an FPC connector, the FPC connector comprises an insulating base and a plurality of terminals, the plurality of terminals are arranged on the insulating base side by side, the insulating base is provided with a buckle, one end of the flexible circuit board is provided with a reinforcing plate, and the other end of the flexible circuit board is provided with a clamping groove. After the flexible circuit board is placed in the insulating base, the reinforcing plate is located on the upper side of the flexible circuit board, the buckle is buckled with the reinforcing plate, and the reinforcing plate is pressed and fixed; according to the utility model, the direct pressure type FPC connector is adopted, and the reinforcing plate is clamped and fixed by using the buckles, so that the golden fingers on the flexible circuit board are in close contact with the terminals, the installation stability of the flexible circuit board is improved, the anti-seismic performance is strong, the stable conduction between the flexible circuit board and the FPC connector is realized, the durability and reliability of the FPC connector are improved, and the service life of the FPC connector is prolonged. The FPC connector saves the use of a turnover cover on the FPC connector, achieves the purpose of saving cost, and is suitable for the fields of mechanical vibration equipment and automobiles.

Description

Technical Field

[0001] The utility model relates to the technical field of FPC connectors, in particular to an installation structure of a coverless direct-pressure FPC connector. Background Art

[0002] In the field of touch display screens, as an important component of the module, the electrical conductivity and stability of FPC connectors directly affect the working performance of devices. Especially for the connection between a flexible printed circuit board (FPC) and a connector base, it is necessary to ensure the tightness and electrical conductivity of the connection to cope with various working environments and usage conditions. Most of the existing FPC connector structures use a flip cover to press and fix the FPC. For example, the patent application number CN202222051071.7 discloses a self-locking FPC connector, including an insulating body, terminals, and a movable cover. A number of terminals are arranged and placed in the insulating body. The terminals are provided with a wiring part and a hinged hook groove integrally connected. The hinged hook groove hangs above the wiring part. One end of the movable cover is provided with a number of hinge shafts. The end of the movable cover with the hinge shafts is provided with a vertex angle. The hinge shafts are located in the hinged hook grooves. When in use, the FPC wire is placed into the wiring part, and the movable cover is pressed down to make the hinge shafts rotate. During the rotation of the hinge shafts, the vertex angle presses against the upper surface of the FPC wire, and the hinge shafts closely adhere to the inner wall of the hinged hook groove. The movable cover is automatically closed through the elastic cooperation between the hinge shafts and the terminals. Another example is the patent application number CN202311181367.3, which discloses an FFC / FPC connector, including an insulating base 1, a plurality of contact terminals 2 fixed on the insulating base 1, an actuator 4 rotatably coupled to the insulating base 1, and two mounting pins 3 fixed at both ends of the insulating base 1 in the left-right direction.

[0003] However, for the connector that uses this flip cover pressing structure to fix the FPC, when applied to scenarios with strong vibrations, such as mechanical vibration equipment and the automotive field, there are problems of insecure fixation and poor electrical conductivity, resulting in a decline or failure of the performance of electronic devices. Therefore, the utility model discloses an installation structure of a coverless direct-pressure FPC connector to solve the above problems. Summary of the Utility Model

[0004] Based on this, in view of the above technical problems, it is necessary to provide an installation structure of a coverless direct-pressure FPC connector. By using a direct-pressure FPC connector, when the reinforcing plate on the flexible circuit board is pressed down, the reinforcing plate is clamped and fixed by a buckle, and the reinforcing plate is pressed down, so that the gold fingers on the flexible circuit board are in close contact with the terminals, improving the installation stability of the flexible circuit board, having strong seismic performance, realizing stable electrical conduction between the flexible circuit board and the FPC connector, and at the same time improving the durability and reliability of the FPC connector, saving the use of the flip cover on the FPC connector, reducing the mold opening and material costs of the flip cover, and achieving the purpose of cost savings.

[0005] To solve the above technical problems, the present utility model adopts the following technical solutions:

[0006] An installation structure of a lidless direct-pressure FPC connector, which includes a circuit board, a flexible circuit board, and an FPC connector. The FPC connector includes an insulating base and a plurality of terminals. A plurality of terminals are placed side by side on the insulating base. A buckle is provided on the insulating base. One end of the flexible circuit board is provided with a reinforcing plate. After the flexible circuit board is placed into the insulating base, the reinforcing plate is located on the upper side of the flexible circuit board and the buckle is buckled with the reinforcing plate to press and fix the reinforcing plate.

[0007] As a preferred embodiment of the installation structure of the lidless direct-pressure FPC connector provided by the present utility model, the terminal is of a special-shaped structure. The terminal includes a rear end, a connecting cantilever, and a contact part that are integrally connected. After the terminal is installed on the insulating base, the connecting cantilever provides elastic force for the contact part, so that the contact part is closely attached to the gold fingers on the flexible circuit board.

[0008] As a preferred embodiment of the installation structure of the lidless direct-pressure FPC connector provided by the present utility model, a placement groove is provided on the insulating base, and a plurality of parallel installation wire grooves are provided on the bottom surface of the placement groove. After the terminal is installed on the insulating base, the contact part of the terminal is placed into the installation wire groove.

[0009] As a preferred embodiment of the installation structure of the lidless direct-pressure FPC connector provided by the present utility model, grooves are provided on both sides of the insulating base, ear plates are provided on both sides of the reinforcing plate, and at least two buckles are provided in each groove, and the buckles are buckled with the ear plates.

[0010] As a preferred embodiment of the installation structure of the lidless direct-pressure FPC connector provided by the present utility model, the buckle includes a straight rod and a clamping head that are of an integral structure. The straight rod is fixedly connected to the insulating base. The size of one surface of the clamping head close to the straight rod is larger than the size of the straight rod, so that a step is formed between the clamping head and the straight rod. After the ear plate is placed between two buckles, the lower surface of the clamping head is attached to the upper surface of the ear plate, and the straight rod is attached to the ear plate.

[0011] As a preferred embodiment of the installation structure of the lidless direct-pressure FPC connector provided by the present utility model, an inclined surface is provided on the clamping head. The distance between the upper ends of the inclined surfaces of two symmetric buckles is greater than the distance between the lower ends of the inclined surfaces and less than the width of the ear plate.

[0012] As a preferred embodiment of the installation structure of the lidless direct-pressure FPC connector provided by the present utility model, a vertical wire groove is provided at the position of the groove on the insulating base, and a special-shaped grounding piece is provided in the vertical wire groove, and the special-shaped grounding piece does not contact the ear plate.

[0013] As a preferred embodiment of the installation structure of the lidless direct-pressure FPC connector provided by the present utility model, the special-shaped grounding piece includes an L-shaped part, a connecting arm and a contact part which are integrally connected. The L-shaped part is fixedly connected to the bottom surface of the insulating base, and the connecting arm and the contact part are arranged in the vertical wire groove.

[0014] As a preferred embodiment of the installation structure of the lidless direct-pressure FPC connector provided by the present utility model, a first through hole is formed in the ear plate, a second through hole is formed in the circuit board, and a pin buckle is inserted into the first through hole and the second through hole, and the ear plate is press-fitted and fixed by the pin buckle.

[0015] As a preferred embodiment of the installation structure of the lidless direct-pressure FPC connector provided by the present utility model, the pin buckle includes an upper cap, a pin rod and a head which are of an integral structure. The size of the head is larger than that of the pin rod, and deformation wire grooves are formed in the pin rod and the head, so that the pin rod and the head form a cantilever structure.

[0016] Compared with the prior art, the present utility model has the following beneficial effects:

[0017] The installation structure of the lidless direct-pressure FPC connector provided by the present utility model adopts a direct-pressure FPC connector. When the reinforcing plate on the flexible circuit board is pressed downward, the reinforcing plate is clamped and fixed by a buckle, and the reinforcing plate is pressed downward, so that the gold fingers on the flexible circuit board are in close contact with the terminals, improving the installation stability of the flexible circuit board, having strong seismic performance, realizing stable conduction between the flexible circuit board and the FPC connector, and at the same time improving the durability and reliability of the FPC connector, saving the use of the flip cover on the FPC connector, reducing the mold opening and material costs of the flip cover, achieving the purpose of cost saving, and being applicable to mechanical vibration equipment and the automotive field. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the solutions in the present utility model, the following will briefly introduce the drawings required for use in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 is Figure 1 an enlarged schematic diagram at position A in

[0021] Figure 3 It is an exploded schematic diagram of the overall structure of the present utility model;

[0022] Figure 4 is Figure 3 the enlarged schematic view at position B in

[0023] Figure 5 is the three - dimensional structure schematic view of the FPC connector in the present utility model;

[0024] Figure 6 is Figure 5 the plane schematic view of

[0025] Figure 7 is the exploded schematic view of the FPC connector in the present utility model;

[0026] Figure 8 is the structure schematic view of one of the terminals in the present utility model;

[0027] Figure 9 is the buckle structure schematic view in the present utility model;

[0028] Figure 10 is the special - shaped grounding piece structure schematic view in the present utility model;

[0029] Figure 11 is the pin buckle structure schematic view in the present utility model.

[0030] The markings in the figure are explained as follows:

[0031] 1. Circuit board; 11. Second through - hole; 2. Flexible circuit board; 3. FPC connector; 31. Insulating base; 311. Placing groove; 312. Installation wire groove; 313. Groove; 314. Vertical wire groove; 32. Terminal; 321. Rear end; 322. Connecting cantilever; 323. Contact part; 33. Buckle; 331. Straight rod; 332. Card joint; 333. Inclined plane; 34. Special - shaped grounding piece; 341. L - shaped part; 342. Connecting arm; 343. Contact point part; 4. Reinforcing plate; 41. Ear plate; 42. First through - hole; 5. Pin buckle; 51. Upper cap; 52. Pin rod; 53. End head; 54. Deformed wire groove. Specific embodiments

[0032] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0033] As described in the background art, the flip - press structure fixes the connector of the FPC. When applied to scenarios with strong vibrations, such as mechanical vibration devices and the automotive field, there are problems of insecure fixation and poor conduction, resulting in a decline or failure in the performance of electronic devices.

[0034] To solve this technical problem, the present utility model provides an installation structure for a lid - free direct - press FPC connector, which is applied to the field of FPC connectors.

[0035] Specifically, please refer to Figure 1-7 , the installation structure of the lid - free direct - press FPC connector 3 specifically includes a circuit board 1, a flexible circuit board 2, and an FPC connector 3. The FPC connector 3 includes an insulating base 31 and a plurality of terminals 32. A plurality of terminals 32 are arranged side by side on the insulating base 31. A buckle 33 is provided on the insulating base 31. A reinforcing plate 4 is provided at one end of the flexible circuit board 2. After the flexible circuit board 2 is placed into the insulating base 31, the reinforcing plate 4 is located on the upper side of the flexible circuit board 2 and the buckle 33 is buckled with the reinforcing plate 4 to press - connect and fix the reinforcing plate 4.

[0036] The installation structure of the lid - free direct - press FPC connector 3 provided by the present utility model adopts a direct - press FPC connector 3. When the reinforcing plate 4 on the flexible circuit board 2 is pressed downward, the buckle 33 is used to clamp and fix the reinforcing plate 4 and press down on the reinforcing plate 4, so that the gold fingers on the flexible circuit board 2 are in close contact with the terminals 32, improving the installation stability of the flexible circuit board 2, having strong seismic performance, realizing stable conduction between the flexible circuit board 2 and the FPC connector 3, while improving the durability and reliability of the FPC connector 3, saving the use of the flip - cover on the FPC connector 3, reducing the mold - opening and material costs of the flip - cover, achieving the purpose of cost savings, and being applicable to mechanical vibration devices and the automotive field.

[0037] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0038] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments can be combined with each other.

[0039] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0040] Please refer to Figure 1-7, provides an installation structure of a cover-free direct-pressing FPC connector 3, which includes a circuit board 1, a flexible circuit board 2 and an FPC connector 3, the FPC connector 3 includes an insulating base 31 and a plurality of terminals 32, the insulating base 31 is made of plastic and is fixed on the circuit board 1, and a plurality of terminals 32 are placed side by side on the insulating base 31, after the flexible circuit board 2 is placed into the insulating base 31, the gold fingers on the flexible circuit board 2 are electrically connected to the terminals 32, a buckle 33 is provided on the insulating base 31, a reinforcing plate 4 is provided at one end of the flexible circuit board 2, and the reinforcing plate 4 is fixedly connected to the flexible circuit board 2, after the flexible circuit board 2 is placed into the insulating base 31, the reinforcing plate 4 is located on the upper side of the flexible circuit board 2 and the buckle 33 is buckled with the reinforcing plate 4, the reinforcing plate 4 is crimped and fixed, thereby achieving the fixation of the flexible circuit board 2.

[0041] like Figure 8 As shown, the terminal 32 is a special-shaped structure, and the terminal 32 includes an integrally connected rear end 321, a connecting cantilever 322 and a contact portion 323. After the terminal 32 is installed on the insulating base 31, the connecting cantilever 322 provides elastic force for the contact portion 323, so that the contact portion 323 fits tightly with the gold finger on the flexible circuit board 2. A placement groove 311 is provided on the insulating base 31, and a plurality of parallel mounting grooves 312 are provided on the bottom surface of the placement groove 311. After the terminal 32 is installed on the insulating base 31, the contact portion 323 of the terminal 32 is placed in the mounting groove 312. The terminal 32 is inserted into the placement groove 311 from the rear end 321 of the insulating base 31 located in the placement groove 311. The rear end 321 of the terminal 32 is fixedly connected to the insulating base 31, and the contact portion 323 extends into the installation wire groove 312. The connecting cantilever 322 is used to make the contact portion 323 in a suspended state. After the flexible circuit board 2 is installed in the placement groove 311, the gold finger on the flexible circuit board 2 presses the contact portion 323 downward, and the elastic force of the connecting cantilever 322 is used to make the contact portion 323 in close contact with the gold finger, thereby achieving stable conduction of the circuit.

[0042] The installation structure of the cover-free direct pressure FPC connector 3 provided in Example 1 is further optimized. Specifically, Figure 5-10As shown, grooves 313 are provided on both sides of the insulating base 31. The grooves 313 communicate with the placement grooves 311. Ear plates 41 are provided on both sides of the reinforcing plate 4. Two buckles 33 are provided in each groove 313. The buckles 33 are respectively on both sides of the ear plate 41 and are buckled with the ear plate 41. The buckles 33 are made of plastic and are an integral structure with the insulating base 31. The buckle 33 includes a straight rod 331 and a clamping head 332 which are an integral structure. The straight rod 331 is fixedly connected to the insulating base 31. The size of one surface of the clamping head 332 close to the straight rod 331 is larger than the size of the straight rod 331, so that a step is formed between the clamping head 332 and the straight rod 331. After the ear plate 41 is placed between the two buckles 33, the lower surface of the clamping head 332 fits with the upper surface of the ear plate 41, and the straight rod 331 fits with the ear plate 41. After the ear plate 41 is clamped, the clamping head 332 presses down the ear plate 41 and uses the straight rod 331 to limit the ear plate 41, so that the reinforcing plate 4 is fixed to the insulating base 31, and then the flexible circuit board 2 is fixed. A slope 333 is provided on the clamping head 332. The distance between the upper ends of the two symmetric buckles 33 between the slopes 333 is greater than the distance between the lower ends of the slopes 333 and less than the width of the ear plate 41. When the reinforcing plate 4 is pressed down, the ear plate 41 acts on the slope 333, causing the buckle 33 to deform outward. After being pressed to a certain position, the buckle 33 returns to its original state, and the clamping head 332 presses the ear plate 41.

[0043] As Figure 7 , 10 shown, and a vertical wire groove 314 is provided at the position of the groove 313 on the insulating base 31. A special-shaped grounding piece 34 is provided in the vertical wire groove 314. The special-shaped grounding piece 34 does not contact the ear plate 41. The special-shaped grounding piece 34 includes an L-shaped part 341, a connecting arm 342 and a contact part 343 which are connected as a whole. The L-shaped part 341 is fixedly connected to the bottom surface of the insulating base 31. The connecting arm 342 and the contact part 343 are arranged in the vertical wire groove 314. The special-shaped grounding piece 34 with this structure not only avoids interference with the ear plate 41 on the reinforcing plate 4, but also is compatible with the base, effectively preventing problems such as electrostatic discharge, electromagnetic interference and voltage surges, and protecting electronic products such as display screens to work normally.

[0044] The installation structure of the cover-free direct-pressure FPC connector 3 provided in Embodiment 2 is further optimized. Specifically, as Figure 4 , 11As shown, a first through-hole 42 is provided on the ear plate 41, and a second through-hole 11 is provided on the circuit board 1. A pin buckle 5 is inserted into the first through-hole 42 and the second through-hole 11, and the pin buckle 5 presses and fixes the ear plate 41. The pin buckle 5 includes an integrally structured upper cap 51, a pin rod 52, and a head 53. The size of the head 53 is larger than that of the pin rod 52. Deformation grooves 54 are provided on the pin rod 52 and the head 53, so that the pin rod 52 and the head 53 form a cantilever structure. After the buckle 33 completes the buckling connection to the ear plate 41, the pin buckle 5 is inserted downward from the first through-hole 42, and the pin rod 52 and the head 53 are deformed toward the deformation grooves 54, reducing the planar size, and sequentially passing through the second through-hole 11. After passing through the through-hole, the head 53 returns to its original state and cooperates with the upper cap 51 to connect the ear plate 41 to the circuit board 1, enhancing the fixing effect of the flexible circuit board 2, and when the flexible circuit board 2 needs to be replaced, it is convenient and fast.

[0045] The working principle of the installation structure of the lidless direct-pressure FPC connector 3 provided by the present utility model: Place one end of the flexible circuit board 2 with the reinforcing plate 4 above the placement groove 311 of the insulating base 31, press the ear plates 41 on both sides downward, and the ear plates 41 act on the inclined surface 333 of the buckle 33, generating a gradual extrusion force on the buckle 33, causing the buckle 33 to deform outward, thereby allowing the ear plates 41 to be pressed down smoothly. When it is completely pressed down, the clamping head 332 at the upper end of the buckle 33 rebounds to its original position and presses the ear plate 41, thereby pressing and fixing the reinforcing plate 4; then pass the pin buckle 5 through the first through-hole 42 and the second through-hole 11. After the head 53 passes through the second through-hole 11, the head 53 returns to its original state and connects the ear plate 41 to the circuit board 1 to further fix the reinforcing plate 4. When the flexible circuit board 2 needs to be replaced, just gently squeeze the head 53 and lift the pin buckle 5 upward, and the pin buckle 5 can be detached from the two through-holes. Then squeeze the buckle 33 outward to take out the flexible circuit board 2. By using the direct-pressure FPC connector 3, when the reinforcing plate 4 on the flexible circuit board 2 is pressed downward, the buckle 33 is used to clamp and fix the reinforcing plate 4 and press the reinforcing plate 4 downward, so that the gold fingers on the flexible circuit board 2 are in close contact with the terminals 32, improving the installation stability of the flexible circuit board 2, having strong seismic performance, realizing stable conduction between the flexible circuit board 2 and the FPC connector 3, while improving the durability and reliability of the FPC connector 3, saving the use of the flip cover on the FPC connector 3, reducing the mold opening and material costs of the flip cover, achieving the purpose of cost saving, and being applicable to mechanical vibration equipment and the automotive field.

[0046] In the present utility model, unless otherwise clearly stipulated and defined, terms such as "installation", "connection", "linkage", "fixation" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral body; it may be a mechanical connection, an electrical connection or communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model may be understood according to specific circumstances.

[0047] Obviously, the embodiments described above are only a part of the embodiments of the present utility model, rather than all the embodiments. The preferred embodiments of the present utility model are shown in the drawings, but do not limit the patent scope of the present utility model. The present utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing specific embodiments, or perform equivalent replacement on some of the technical features. Any equivalent structure directly or indirectly using the content of the specification and drawings of the present utility model in other related technical fields shall be within the scope of the patent protection of the present utility model by the same token.

Claims

1. A mounting structure of a cover-free direct-pressure FPC connector, comprising a circuit board, a flexible circuit board and an FPC connector, characterized in that: The FPC connector includes an insulating base and a plurality of terminals, wherein the plurality of terminals are placed side by side on the insulating base, a buckle is provided on the insulating base, and a reinforcing plate is provided at one end of the flexible circuit board. After the flexible circuit board is placed in the insulating base, the reinforcing plate is located on the upper side of the flexible circuit board and the buckle is buckled with the reinforcing plate to crimp and fix the reinforcing plate.

2. The installation structure of a cover-free direct-pressure FPC connector according to claim 1, characterized in that: The terminal is a special-shaped structure, and the terminal includes an integrally connected rear end, a connecting cantilever and a contact portion. After the terminal is installed on the insulating base, the connecting cantilever provides elastic force for the contact portion, so that the contact portion fits tightly with the gold finger on the flexible circuit board.

3. The installation structure of a cover-free direct-pressure FPC connector according to claim 2, characterized in that: The insulating base is provided with a placement groove, and the bottom surface of the placement groove is provided with a plurality of parallel installation wire grooves. After the terminal is installed on the insulating base, the contact part of the terminal is placed in the installation wire groove.

4. The installation structure of a cover-free direct-pressure FPC connector according to claim 1 or 3, characterized in that: Grooves are arranged on both sides of the insulating base, and ear plates are arranged on both sides of the reinforcing plate. At least two buckles are arranged in each of the grooves, and the buckles are buckled with the ear plates.

5. The installation structure of a cover-free direct-pressure FPC connector according to claim 4, characterized in that: The clip includes a straight rod and a clip joint of an integral structure. The straight rod is fixedly connected to the insulating base. The size of a surface of the clip joint close to the straight rod is larger than the size of the straight rod, so that a step is formed between the clip joint and the straight rod. After the ear plate is placed between the two clips, the lower surface of the clip joint fits with the upper surface of the ear plate, and the straight rod fits with the ear plate.

6. The installation structure of a cover-free direct-pressure FPC connector according to claim 5, characterized in that: The clamping joint is provided with an inclined surface, and the distance between the upper ends of the two symmetrical clamps on the inclined surfaces is greater than the distance between the lower ends of the inclined surfaces and is smaller than the width of the ear plate.

7. The installation structure of a cover-free direct-pressure FPC connector according to claim 4, characterized in that: The insulating base is provided with a vertical line groove at the groove, and a special-shaped grounding piece is provided in the vertical line groove, and the special-shaped grounding piece does not contact the ear plate.

8. The installation structure of a cover-free direct-pressure FPC connector according to claim 7, characterized in that: The special-shaped grounding piece comprises an L-shaped portion, a connecting arm and a contact portion which are connected as one body. The L-shaped portion is fixedly connected to the bottom surface of the insulating base, and the connecting arm and the contact portion are arranged in the vertical line groove.

9. The installation structure of a cover-free direct-pressure FPC connector according to claim 4, characterized in that: A first through hole is formed on the ear plate, a second through hole is formed on the circuit board, pins are inserted into the first through hole and the second through hole, and the pins crimp and fix the ear plate.

10. The installation structure of a cover-free direct-pressure FPC connector according to claim 9, characterized in that: The pin buckle comprises an upper cover cap, a pin rod and an end head of an integrated structure. The size of the end head is larger than that of the pin rod. Deformation line grooves are provided on the pin rod and the end head so that the pin rod and the end head form a cantilever structure.

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