Self-locking FPC connector

Abstract

The utility model relates to a flexible printed circuit (FPC) connector, in particular to a self-locking FPC connector. The self-locking FPC connector comprises a connector body and a first fixing block, the upper portion of the connector body is rotatably connected with the first fixing block, the self-locking FPC connector further comprises a first connecting block, a connecting shaft and a second connecting block, the front side of the first fixing block is fixedly connected with the first connecting block distributed left and right, and the front side of the first fixing block is fixedly connected with the second connecting block. The lower portion of the first connecting block is rotationally connected with a connecting shaft, and the connecting shaft is fixedly connected with a second connecting block. By arranging a first connecting block, a second connecting block, a second fixing block, a clamping block and the like, when a pulling plate is loosened, a volute spiral spring restores to the original shape, then the second connecting block rotates forwards to be connected with the clamping block in a clamped mode, the first fixing block is fixed to the second fixing block, and therefore the self-locking purpose is achieved; and the first fixing block continuously presses the golden finger of the FPC on the connector body, so that the golden finger is prevented from loosening and being poorly contacted with the connector body.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of FPC connectors, in particular to a kind of self-locking FPC connector. BACKGROUND

[0002] FPC soft board is a kind of flexible circuit board with simple structure, also called FPC flexible flat cable, FPC soft board is used to connect with other circuit boards, with the characteristics of high wiring density, light weight, thin thickness, mainly used in mobile phones, notebook computers, PDA, digital cameras, LCM and other products, FPC connector is a kind of general electronic connector, which can connect FPC soft board with other types of electronic components together, so as to realize various control and automation applications.

[0003] The patent with patent authorization announcement No.CN218783243U discloses FPC connector, including a structure main body, the structure main body includes glue shell main body, cover and connecting assembly, the connecting assembly includes a plurality of first terminal and second terminal, the first terminal and second terminal are embedded in the glue shell main body, the first terminal and second terminal are equidistantly spaced distribution.The above-mentioned patent can make the cover turn over by setting the linkage connecting piece and connecting column, reduce the assembly difficulty of connector, but there are still deficiencies in actual use, such as using the connector to connect FPC soft board, the cover is turned over to expose the connecting assembly, then the gold finger of FPC soft board is placed on the connecting assembly, so that the pin of gold finger is in contact with the first terminal and second terminal, after connection, the cover is closed to clamp the first terminal and second terminal, and the gold finger of FPC soft board is pressed on the connecting assembly, but when the FPC connector is affected by external vibration, the cover is easy to turn over to expose the connecting assembly, and the first terminal and second terminal are not clamped again, so that the gold finger of FPC soft board cannot be continuously pressed on the connecting assembly, which is easy to cause the gold finger to loosen and make the pin in poor contact with the first terminal and second terminal.

[0004] Therefore, there is a particular need for a self-locking FPC connector to solve the problems in the prior art. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings of the existing patent FPC connector affected by external vibration, the cover is easy to turn over to expose the connecting assembly, and the first terminal and second terminal are not clamped again, so that the gold finger of FPC soft board cannot be continuously pressed on the connecting assembly, which is easy to cause the gold finger to loosen and make the pin in poor contact with the first terminal and second terminal, the utility model provides a kind of self-locking FPC connector.

[0006] The utility model discloses a technical way realizes: a self -locking FPC connector, including the connector body and first fixed block, the first fixed block is rotatively connected on the connector body upper portion, still including first connecting block, connecting shaft, second connecting block, scroll spring, second fixed block and clamping block, the first connecting block is fixedly connected with the first connecting block of left and right distribution on first fixed block front side, the connecting shaft is rotatively connected with the first connecting block lower part, and the second connecting block is fixedly connected on the connecting shaft, and the connecting shaft is connected with the symmetrical distribution scroll spring between the first connecting block, the second fixed block is fixedly connected with the left and right symmetry of the connector body lower part front side, and the second connecting block contacts the second fixed block, and the clamping block is fixedly connected on the second fixed block upper portion, and the clamping block is connected with the second connecting block, so that the second connecting block is fixed on the second fixed block, and the second connecting block is separated from the clamping block by rotating back, and then the first fixed block is opened by rotating up connector body.

[0007] As the improvement of the above scheme, the connector body and the first fixed block are provided with a damping pad.

[0008] As the improvement of the above scheme, further comprising a pull plate, two second connecting blocks are fixedly connected with a pull plate.

[0009] As the improvement of the above scheme, further comprising an anti-skid sleeve, an anti-skid sleeve for increasing friction is sleeved on the pull plate.

[0010] As the improvement of the above scheme, further comprising a third fixed block and a limiting block, the connector body and the first fixed block are fixedly connected with a third fixed block on the front side, the two third fixed blocks are fixedly connected with a limiting block on the side close to each other, a square groove is formed between the two limiting blocks for accommodating the FPC flexible board.

[0011] As the improvement of the above scheme, a soft pad is arranged on the limiting block for protection.

[0012] From the above description of the structure of the utility model, it can be seen that the design starting point, concept and advantages of the utility model are: 1. By arranging the first connecting block, the second connecting block, the second fixed block and the clamping block, loosening the pull plate, the scroll spring restores to its original state, and then the second connecting block rotates forward and is clamped with the clamping block, the first fixed block is fixed on the second fixed block, thereby achieving self-locking, the first fixed block continuously presses the gold finger of the FPC flexible board on the connector body, and the gold finger is prevented from loosening and being in poor contact with the connector body.

[0013] 2. By arranging the third fixed block and the limiting block, the third fixed blocks and the limiting blocks on the upper and lower sides cooperate to clamp the FPC flexible board, and the thickness of the gold finger is greater than that of the FPC flexible board, so that the limiting block limits the gold finger in the connector, thereby preventing the gold finger from loosening. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model.

[0015] Figure 2 is a schematic diagram of the three-dimensional structure of the first connecting block, the connecting shaft and the second connecting block and other components of the utility model.

[0016] Figure 3 is a schematic diagram of the three-dimensional structure of the second connecting block, the volute spring and the second fixed block and other components of the utility model.

[0017] Figure 4 is a schematic diagram of the three-dimensional structure of the connector body, the third fixed block and the limiting block and other components of the utility model.

[0018] Figure 5 is a schematic diagram of the three-dimensional structure of the second connecting block, the pull plate and the anti-skid sleeve of the utility model.

[0019] Marked label in the figure: 1, connector body, 2, first fixed block, 3, first connecting block, 4, connecting shaft, 5, second connecting block, 501, pull plate, 502, anti-skid sleeve, 6, volute spring, 7, second fixed block, 8, clamping block, 9, third fixed block, 10, limiting block. DETAILED DESCRIPTION

[0020] The above scheme is further described in combination with specific embodiments. It should be understood that these embodiments are used to illustrate the present application and do not limit the scope of the present application. The implementation conditions used in the embodiments can be further adjusted according to the specific conditions of the manufacturer, and the implementation conditions not marked are usually the conditions in the conventional experiment.

[0021] Embodiment: a self-locking FPC connector, refer to Figures 1-5As shown, it comprises the connector body 1 and the first fixed block 2, the first fixed block 2 is rotatably connected to the upper part of the connector body 1, and a damping pad is arranged between the connector body 1 and the first fixed block 2, further comprising the first connecting block 3, the connecting shaft 4, the second connecting block 5, the pull plate 501, the anti-skid sleeve 502, the vortex spring 6, the second fixed block 7, the clamping block 8, the third fixed block 9 and the limiting block 10, the first connecting block 3 is arranged on the front side of the first fixed block 2 by welding, the connecting shaft 4 is rotatably connected to the lower part of the first connecting block 3, the second connecting block 5 is connected to the connecting shaft 4 by welding, the pull plate 501 is connected between the two second connecting blocks 5 by welding, the anti-skid sleeve 502 is arranged on the pull plate 501 for increasing friction, the vortex spring 6 is arranged between the connecting shaft 4 and the first connecting block 3, the second fixed block 7 is arranged on the lower front side of the connector body 1 by welding, the second connecting block 5 is in contact with the second fixed block 7, the clamping block 8 is arranged on the upper part of the second fixed block 7 by welding, the clamping block 8 is clamped with the second connecting block 5, so that the second connecting block 5 is fixed on the second fixed block 7, the third fixed block 9 is arranged on the front side of the connector body 1 and the first fixed block 2 by welding, the limiting block 10 is arranged on the side of the two third fixed blocks 9 by welding, the square slot is formed between the two limiting blocks 10 for accommodating the FPC soft board, and the soft pad is arranged on the limiting block 10 for protection, the second connecting block 5 is disengaged from the clamping block 8 by rotating backward, and then the first fixed block 2 is rotated upward to open the connector body 1.

[0022] Firstly, the staff pulls the pull plate 501 to rotate the two second connecting blocks 5 backward synchronously, so that the second connecting block 5 is disengaged from the clamping block 8, the vortex spring 6 is deformed, then the first fixed block 2 is rotated upward to open the connector body 1, the gold finger of the FPC soft board is placed on the connector body 1, the first fixed block 2 is rotated downward to close the connector body 1 after the FPC soft board is placed, so that the first fixed block 2 presses the gold finger of the FPC soft board on the connector body 1, at the same time, the third fixed blocks 9 and the limiting blocks 10 on the upper and lower sides clamp the FPC soft board, and the thickness of the gold finger is greater than that of the FPC soft board, so that the limiting block 10 limits the gold finger in the connector, then the staff releases the pull plate 501, the vortex spring 6 returns to the original state, so that the second connecting block 5 rotates forward and is clamped with the clamping block 8, the first fixed block 2 is fixed on the second fixed block 7, so as to achieve the purpose of self-locking, so that the first fixed block 2 continuously presses the gold finger of the FPC soft board on the connector body 1, avoiding the loosening of the gold finger and the poor resistance of the connector body 1.

[0023] The above embodiment is only a preferred embodiment of the present application, and is not used to limit the scope of the present application, so that equivalent changes made according to the content of the present application claims should be included in the scope of the present application claims.

Claims

1. A self-locking FPC connector, comprising a connector body (1) and a first fixing block (2), the first fixing block (2) being rotatably connected to the upper part of the connector body (1), characterized in that, The first connecting block (3), the connecting shaft (4), the second connecting block (5), the volute spring (6), the second fixed block (7) and the clamping block (8) are further included, the first fixed block (2) is fixedly connected with the first connecting block (3) distributed left and right on the front side, the first connecting block (3) is rotatably connected with the connecting shaft (4) on the lower part, the connecting shaft (4) is fixedly connected with the second connecting block (5), and the connecting shaft (4) and the first connecting block (3) are connected with the symmetrically distributed volute springs (6), the connector body (1) is fixedly connected with the left-right symmetric second fixed block (7) on the lower front side, the second fixed block (7) is fixedly connected with the clamping block (8) on the upper part, the clamping block (8) is clamped with the second connecting block (5), so that the second connecting block (5) is fixed on the second fixed block (7).

2. The self-locking FPC connector according to claim 1, wherein The damping pad is arranged between the connector body (1) and the first fixed block (2).

3. The self-locking FPC connector according to claim 2, wherein The pull plate (501) is further included, and the pull plate (501) is fixedly connected between the two second connecting blocks (5).

4. The self-locking FPC connector according to claim 3, wherein The anti-skid sleeve (502) is further included, and the anti-skid sleeve (502) for increasing friction is sleeved on the pull plate (501).

5. The self-locking FPC connector according to claim 4, wherein The third fixed block (9) and the limiting block (10) are further included, the third fixed block (9) is fixedly connected on the front side of the connector body (1) and the first fixed block (2), and the limiting block (10) is fixedly connected on the side close to each other of the two third fixed blocks (9).

6. The self-locking FPC connector according to claim 5, wherein The soft pad for protection is arranged on the limiting block (10).

Images