Plug-and-lock type FPC connector

Abstract

The utility model relates to the technical field of FPC (Flexible Printed Circuit) connectors, in particular to a plug-and-lock type FPC connector, which comprises a plastic shell, a slot for inserting an FPC is arranged on the plastic shell, contact terminals are arranged in the slot in parallel, an upper cover is rotationally arranged at the upper part of the plastic shell, a lock catch arm is arranged at one end of the upper cover, a clamping part is arranged on the lock catch arm, and a locking part is arranged on the clamping part. Elastic pieces are arranged on the plastic shell and located on the two sides of the upper cover, the elastic pieces abut against the lock catch arms downwards, downward pressure is applied to the lock catch arms through the elastic pieces so that the clamping parts can be pressed into the inner sides of the insertion grooves, the clamping parts and the clamping grooves can be automatically buckled under the elastic force action of the elastic pieces, and locking can be achieved after insertion; when unlocking is needed, the FPC can be pulled out by pressing the upper cover to enable the lock catch arm to jack up the elastic piece and enable the clamping part to be separated from the clamping groove, and after the upper cover is loosened, the lock catch arm and the clamping part return to original positions under the elastic force effect of the elastic piece, and compared with an existing flip type product, the unlocking mode is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of FPC connectors, in particular to a plug-and-lock type FPC connector. Background Art

[0002] FPC (Flexible Printed Circuit) connectors are widely used in various electronic devices. With the development, higher technical requirements are also put forward for FPC connectors: such as lower height requirements, smaller terminal spacing requirements, easier operation, better stability, etc. Existing FPC connectors generally use a flip-type locking method. After the FPC is plugged into the connector, the locking flap is pressed down and fastened. It is troublesome to unlock it. First, the locking flap is hooked up by hand. If there are components behind the connector, it is not convenient to unlock it. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a plug-and-lock FPC connector.

[0004] The purpose of the utility model can be achieved by the following technical scheme: a plug-and-lock FPC connector, comprising a plastic shell, a slot for plugging in the FPC is provided on the plastic shell, contact terminals are arranged in parallel in the slot, an upper cover is rotatably provided on the upper part of the plastic shell, a locking arm is provided at one end of the upper cover, a clamping portion is provided on the locking arm, spring sheets are provided on both sides of the upper cover of the plastic shell, the spring sheets press downward on the locking arm, and the clamping portion is pressed into the inner side of the slot by applying downward pressure to the locking arm through the spring sheets.

[0005] Preferably, the lower end of the clamping portion is provided with an inclined surface.

[0006] Preferably, the shrapnel is a metal shrapnel.

[0007] Preferably, rotating shafts rotatably connected to the plastic shell are symmetrically provided on both sides of the upper cover.

[0008] Preferably, one end of the spring piece is connected to a plug-in portion, and the plug-in portion is inserted into the plastic housing.

[0009] Preferably, pins are provided at both ends of the lower edge of the plug-in portion, and the pins extend downward out of the bottom of the plastic housing.

[0010] Preferably, a bending portion is provided at one end of the upper edge of the plug-in portion.

[0011] The beneficial effects of the utility model are as follows: the utility model provides a plug-and-lock type FPC connector, when the FPC is inserted into place from the slot, the card slot on the FPC is just located below the card connection part, and the card connection part and the card slot are automatically buckled under the elastic force of the spring sheet, so that one-plug-and-lock is achieved; when unlocking is required, the upper cover is pressed so that the lock arm pushes up the spring sheet, and the card connection part is separated from the card slot, and the FPC can be pulled out, and after the upper cover is loosened, the lock arm and the card connection part return to their original positions under the elastic force of the spring sheet. Compared with the existing flip-cover type products, the unlocking method of the utility model is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the utility model. A person skilled in the art can obtain other drawings based on the following drawings without creative work.

[0013] Figure 1 The utility model is a schematic diagram of the overall structure of a plug-and-lock FPC connector.

[0014] Figure 2 This is another structural schematic diagram of a plug-and-lock FPC connector of the utility model.

[0015] Figure 3 The utility model is an exploded schematic diagram of a plug-and-lock FPC connector.

[0016] Figure 4 The utility model is a front view of a plug-and-lock FPC connector.

[0017] Figure 5 for Figure 4 AA section view.

[0018] Figure 6 The utility model is a cross-sectional view of a plug-and-lock FPC connector when unlocked.

[0019] The numbers shown in the figure represent: 1, plastic shell; 101, slot; 2, upper cover; 201, locking arm; 202, clamping part; 203, rotating shaft; 3, spring; 301, plug-in part; 302, pin; 303, bending part; 4, FPC; 401, slot; 5, contact terminal. DETAILED DESCRIPTION

[0020] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0021] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0022] The following will be combined with specific embodiments to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the utility model.

[0023] See also Figures 1 to 6 As shown, the structure of the utility model is: a plug-and-lock FPC connector, including a plastic shell 1, a slot 101 for plugging in an FPC 4 is provided on the plastic shell 1, contact terminals 5 are arranged in parallel in the slot 101, an upper cover 2 is rotatably provided on the upper part of the plastic shell 1, a locking arm 201 is provided at one end of the upper cover 2, a clamping portion 202 is provided on the locking arm 201, and spring pieces 3 are provided on both sides of the upper cover 2 of the plastic shell 1, the spring pieces 3 press downward on the locking arm 201, and the locking arm 201 is pressed downward by the spring piece 3 to apply downward pressure to the locking arm 201 so that the clamping portion 202 is pressed into the inner side of the slot 101. Specifically, when the FPC 4 is inserted into the slot 101, the card slot 401 on the FPC 4 is just located below the card connection portion 202. Under the elastic force of the spring sheet 3, the card connection portion 202 and the card slot 401 are automatically engaged, realizing one-plug and lock. When unlocking is required, by pressing the upper cover 2, the locking arm 201 lifts the spring sheet 3, and the card connection portion 202 is separated from the card slot 401, and the FPC can be pulled out. After loosening the upper cover 2, under the elastic force of the spring sheet 3, the locking arm 201 and the card connection portion 202 return to their original positions. Compared with the existing flip-top products, the unlocking method of the utility model is more convenient and quick.

[0024] See also Figure 3 , Figure 5 As shown, an inclined surface is provided at the lower end of the clamping portion 202. When the FPC 4 is inserted, the clamping portion 202 can be easily lifted up by the inclined surface, which facilitates the insertion of the FPC.

[0025] Furthermore, the shrapnel 3 is a metal shrapnel. Specifically, the metal shrapnel is used to provide elasticity, the anti-destruction ability is stronger, and the product service life is longer.

[0026] See also Figure 3 As shown, rotating shafts 203 rotatably connected to the plastic housing 1 are symmetrically arranged on both sides of the upper cover 2 .

[0027] Further reading Figure 3 As shown, an inserting portion 301 is connected to one end of the spring piece 3 , and the inserting portion 301 is inserted into the plastic housing 1 .

[0028] Further reading Figure 3 As shown, pins 302 are provided at both ends of the lower edge of the plug-in portion 301 , and the pins 302 extend downward from the bottom of the plastic housing 1 . Specifically, the pins 302 are used for welding.

[0029] Further reading Figure 3 As shown, a bending portion 303 is provided at one end of the upper edge of the plug-in portion 301 . Specifically, after the plug-in portion 301 is inserted into the plastic housing 1 , the bending portion 303 is clamped on the upper edge of the plastic housing 1 .

[0030] For specific use, see Figure 5 As shown, when the FPC 4 is inserted into the slot 101, the card slot 401 on the FPC 4 is just located below the card connection portion 202. Under the elastic force of the spring 3, the card connection portion 202 and the card slot 401 are automatically engaged, achieving one-plug-and-lock. Figure 6 As shown, when unlocking is required, by pressing the upper cover 2, the locking arm 201 lifts the spring sheet 3, and the clamping portion 202 is disengaged from the clamping slot 401, and the FPC can be pulled out. After loosening the upper cover 2, the locking arm 201 and the clamping portion 202 return to their original positions under the elastic force of the spring sheet 3. Compared with the existing flip-top products, the unlocking method of the utility model is more convenient and quick.

[0031] The utility model is further described above with the help of specific embodiments, but it should be understood that the specific description here should not be construed as limiting the essence and scope of the utility model. Various modifications made to the above embodiments by ordinary technicians in this field after reading this specification are all within the scope of protection of the utility model.

Claims

1. A plug-and-lock FPC connector, comprising a plastic housing (1), the plastic housing (1) being provided with a slot (101) for plugging in an FPC (4), the slot (101) being provided with contact terminals (5) arranged in parallel, characterized in that: An upper cover (2) is rotatably arranged on the upper part of the plastic shell (1), a locking arm (201) is arranged at one end of the upper cover (2), and a clamping portion (202) is arranged on the locking arm (201). Shrapnel (3) is arranged on both sides of the upper cover (2) on the plastic shell (1), and the shrapnel (3) is pressed downwardly on the locking arm (201), and a downward pressure is applied to the locking arm (201) by the shrapnel (3) so that the clamping portion (202) is pressed into the inner side of the slot (101).

2. The one-plug-and-lock FPC connector according to claim 1, characterized in that: The lower end of the clamping portion (202) is provided with an inclined surface.

3. The one-plug-and-lock FPC connector according to claim 1, characterized in that: The shrapnel (3) is a metal shrapnel.

4. The one-plug-and-lock FPC connector according to claim 1, characterized in that: Rotating shafts (203) rotatably connected to the plastic shell (1) are symmetrically provided on both sides of the upper cover (2).

5. The one-plug-and-lock FPC connector according to claim 1, characterized in that: One end of the spring sheet (3) is connected to a plug-in portion (301), and the plug-in portion (301) is inserted into the plastic housing (1).

6. The one-plug-and-lock FPC connector according to claim 5, characterized in that: Pins (302) are provided at both ends of the lower edge of the plug-in portion (301), and the pins (302) extend downwards out of the bottom of the plastic housing (1).

7. The one-plug-and-lock FPC connector according to claim 5, characterized in that: A bending portion (303) is provided at one end of the upper edge of the plug-in portion (301).

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