Waterproof sealing type FPC (Flexible Printed Circuit) connector

Abstract

The utility model relates to the field of FPC boards, and discloses a waterproof sealing type FPC flexible circuit board connector comprising a connector housing, the front part of the connector housing is provided with a waterproof sealing mechanism, the left and right parts of the front side of the connector housing are respectively provided with a limiting groove, the rear side of the inner wall of each limiting groove is fixedly connected with a fixing seat, and the fixing seat is fixedly connected with the connector housing. A limiting strip is fixedly connected to the front portion of the fixing base, grooves are formed in the left portion and the right portion of the connecting position of the fixing base and the limiting strip, the waterproof sealing mechanism comprises a mounting frame, a sealing plate is arranged on the upper portion of the mounting frame, and limiting sleeves are fixedly connected to the left portion and the right portion of the rear side of the mounting frame. According to the utility model, through the mutual cooperation of the limiting groove, the fixing seat, the groove and the limiting strip on the connector housing and the limiting sleeve and the protruding strip on the waterproof sealing mechanism, the connection between the connector housing and the waterproof sealing mechanism is more stable and is not easy to move, and the waterproof connector is more practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of FPC board especially relates to a waterproof sealed FPC softness circuit board connector. BACKGROUND

[0002] FPC flexible printed circuit softness circuit board connector is a kind of connector for connecting flexible circuit and other electronic components, is widely used in consumer electronics, industrial equipment, medical equipment and other fields, they have light, flexible, bendable and other advantages, suitable for use in narrow space.

[0003] Through the retrieval, China patent publication number: CN220753832U discloses a kind of FPC connectors of stable connection, belong to circuit board connector field, including connector shell, the connector shell rear end face is provided with connecting slot, the connecting slot is provided with flexible circuit board, the flexible circuit board below is close to the end of connector shell and is provided with plastic supporting plate, the plastic supporting plate both ends are provided with fixed block, the fixed block between top position is provided with plastic pressing plate, by being provided with plastic supporting plate in the inside of connector shell, and fixed block is installed simultaneously in both sides, while the top position between fixed block is provided with plastic pressing plate, flexible circuit board is clamped by the cooperation of plastic supporting plate and plastic pressing plate to enhance stability, while corresponding first dustproof pad and second dustproof pad are set in the inside of plastic supporting plate and plastic pressing plate, can avoid circuit board excessive bending and be damaged, can also enhance dustproof waterproof effect, improve the stability of connector when use.

[0004] The above device, although by the mutual cooperation between plastic supporting plate and plastic pressing plate and first dustproof pad and second dustproof pad, can avoid circuit board excessive bending and be damaged, can also enhance dustproof waterproof effect, but since its sleeve plate is directly sleeved in the outside of fixed column, and the upper and lower parts of fixed column are not provided with limiting structure, this leads to plastic supporting plate to be easily moved up and down due to external force, to exert upward or downward force on the connection between FPC board and connector, can cause the damage of FPC board, not practical enough, therefore a kind of waterproof sealed FPC softness circuit board connector is presented to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a waterproof sealed FPC soft circuit board connector, aims at improving although through the mutual cooperation between the plastic supporting plate, plastic pressing plate and first dustproof pad and second dustproof pad in the prior art, can avoid that the circuit board is damaged by excessive bending, also can enhance the dustproof waterproof effect, but because its sleeve plate is directly sleeved outside the fixed column, and the upper and lower parts of the fixed column are not provided with the limiting structure, which leads to that the plastic supporting plate is easy to move up and down due to external force, thereby the upward or downward force is applied to the connecting place of the FPC plate and the connector, can cause the damage of the FPC plate, the problem of not enough practical.

[0006] In order to realize the above object, the utility model adopts the following technical scheme: a waterproof sealed FPC soft circuit board connector, including connector shell, the front of connector shell is provided with waterproof sealing mechanism, the left and right parts of the front side of connector shell are all provided with limiting slot, the rear side of the inner wall of limiting slot is fixedly connected with fixed seat, the front of fixed seat is fixedly connected with limiting strip, the left and right parts of fixed seat and limiting strip connecting place are all provided with recess, waterproof sealing mechanism includes mounting bracket, the upper part of mounting bracket is provided with sealing plate, the left and right parts of the rear side of mounting bracket are all fixedly connected with limiting sleeve, limiting sleeve is movably connected with limiting strip, the both ends of the rear side of limiting sleeve are all fixedly connected with convex strip, convex strip is movably connected with recess.

[0007] As a further description of the above technical scheme:

[0008] The front side upper part of the connector shell is movably connected with the lock plate, and the rear side of the connector shell is fixedly connected with the pin.

[0009] As a further description of the above technical scheme:

[0010] The inner wall upper part of the mounting bracket is fixedly connected with a sealing pad.

[0011] As a further description of the above technical scheme:

[0012] The left and right side upper parts of the inner wall of the mounting bracket are all fixedly connected with a first positioning strip, and a positioning groove is formed below the first positioning strip.

[0013] As a further description of the above technical scheme:

[0014] The rear side of the sealing plate is provided with a mounting groove, and the top of the mounting groove is fixedly connected with a sealing strip.

[0015] As a further description of the above technical scheme:

[0016] The top surface front part of the sealing plate is fixedly connected with a buckle, and the bottom of the sealing plate is fixedly connected with a second sealing pad.

[0017] As a further description of the above technical solutions:

[0018] The left and right upper parts of the sealing plate are provided with auxiliary grooves, the lower parts of the auxiliary grooves are fixedly connected with No. 2 positioning strips, the No. 2 positioning strips are movably connected with the positioning grooves, the left and right rear parts of the sealing plate are fixedly connected with connecting rods, and the connecting rods are penetratingly and rotatably connected with the mounting frames.

[0019] As a further description of the above technical solutions:

[0020] The bottom front part of the lock plate is provided with a sealing groove, and the inner wall upper part of the sealing groove is provided with a pressing surface.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1. In the utility model, the limiting groove, the fixed seat, the groove and the limiting strip on the connector shell and the limiting sleeve and the convex strip on the waterproof sealing mechanism are matched with each other, so that the connection between the connector shell and the waterproof sealing mechanism is more stable and not easy to move, and is more practical.

[0023] 2. In the utility model, the sealing groove and the pressing surface are arranged on the lower part of the lock plate, the mounting groove and the sealing strip are arranged on the sealing plate, the waterproofness between the connector shell and the waterproof sealing mechanism can be effectively improved, and the waterproof sealing property of the FPC flexible circuit board connection part can be effectively improved by arranging the No. 1 sealing gasket and the No. 2 sealing gasket on the mounting frame and the sealing plate respectively, so that the utility model is more practical. ACCURATE DRAWINGS

[0024] Figure 1 It is an overall rear side perspective structural schematic view of the waterproof sealing type FPC flexible circuit board connector.

[0025] Figure 2 It is an overall front side perspective structural schematic view of the waterproof sealing type FPC flexible circuit board connector.

[0026] Figure 3 It is a sealing plate and a lock plate local section perspective structural schematic view of the waterproof sealing type FPC flexible circuit board connector.

[0027] Figure 4 It is a connector shell and a mounting frame local section perspective structural schematic view of the waterproof sealing type FPC flexible circuit board connector.

[0028] Figure 5 It is a connector shell and a waterproof sealing mechanism split perspective structural schematic view of the waterproof sealing type FPC flexible circuit board connector.

[0029] Figure 6 This is an enlarged three-dimensional structural diagram of point A of a waterproof and sealed FPC flexible circuit board connector proposed in this utility model.

[0030] Figure 7 This is a three-dimensional structural diagram showing the disassembled waterproof sealing mechanism of a waterproof and sealed FPC flexible circuit board connector proposed in this utility model.

[0031] Legend:

[0032] 1. Connector housing; 2. Waterproof sealing mechanism; 101. Limiting groove; 102. Fixing base; 103. Groove; 104. Limiting strip; 11. Locking plate; 12. Pin; 21. Mounting bracket; 22. Sealing plate; 211. Limiting sleeve; 212. Raised strip; 213. No. 1 sealing gasket; 214. No. 1 positioning strip; 215. Positioning groove; 221. Mounting groove; 222. Sealing strip; 223. Fastener block; 224. No. 2 sealing gasket; 225. Auxiliary groove; 226. No. 2 positioning strip; 227. Connecting rod; 111. Sealing groove; 112. Pressing surface. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figure 1 - Figure 2 The present invention provides an embodiment of a waterproof and sealed FPC flexible circuit board connector, comprising a connector housing 1 for connecting various components, a waterproof sealing mechanism 2 provided at the front of the connector housing 1 for improving the sealing performance of the connection between the FPC board and the connector housing 1, a locking plate 11 movably connected to the upper front side of the connector housing 1 for fixing the FPC board, and multiple pins 12 fixedly connected to the rear side of the connector housing 1.

[0035] like Figure 4 - Figure 5As shown, the front side of the connector housing 1 is provided with a limiting groove 101 on the left and right sides, which is used to cooperate with the connection of the waterproof sealing mechanism 2. The inner wall of the limiting groove 101 is fixedly connected with a fixed seat 102. The front part of the fixed seat 102 is fixedly connected with a limiting strip 104. The left and right parts of the connection between the fixed seat 102 and the limiting strip 104 are provided with a groove 103, which is used to cooperate with the limiting of the limiting sleeve 211 and the convex strip 212. The waterproof sealing mechanism 2 comprises a mounting frame 21, which is used to cooperate with the connection of each part. The upper part of the mounting frame 21 is provided with a sealing plate 22, which is used to cooperate with the sealing connection of the FPC plate. The left and right parts of the rear side of the mounting frame 21 are fixedly connected with a limiting sleeve 211, which is used to cooperate with the connection of the limiting strip 104. The limiting sleeve 211 is movably connected with the limiting strip 104. The two ends of the rear side of the limiting sleeve 211 are fixedly connected with a convex strip 212, which is used to cooperate with the connection of the groove 103. The convex strip 212 is movably connected with the groove 103.

[0036] Please refer to Figure 3 The bottom surface of the lock plate 11 is provided with a sealing groove 111 on the front part, which is used to cooperate with the connection of the sealing plate 22. The inner wall of the sealing groove 111 is provided with a pressing surface 112 on the upper part, which is used to cooperate with the sealing strip 222.

[0037] As Figure 5 - Figure 7 The inner wall of the mounting frame 21 is fixedly connected with a first sealing gasket 213 on the upper part, which is used to cooperate with the sealing of the FPC plate. The left and right sides of the inner wall of the mounting frame 21 are fixedly connected with a first positioning strip 214 on the upper part, which is used to cooperate with the second positioning strip 226 to cooperate with the limiting of the sealing plate 22. The lower part of the first positioning strip 214 is provided with a positioning groove 215, which is used to cooperate with the limiting of the second positioning strip 226. The rear side of the sealing plate 22 is provided with a mounting groove 221, which is used to cooperate with the lock plate 11. The top part of the mounting groove 221 is fixedly connected with a sealing strip 222, which is made of rubber. The top surface of the sealing plate 22 is fixedly connected with a buckle 223 on the front part, which is convenient for opening the sealing plate 22. The bottom of the sealing plate 22 is fixedly connected with a second sealing gasket 224. The left and right sides of the sealing plate 22 are provided with an auxiliary groove 225 on the upper part, which is used to assist the connection of the first positioning strip 214. The lower part of the auxiliary groove 225 is fixedly connected with a second positioning strip 226, which is used to cooperate with the limiting of the sealing plate 22. The second positioning strip 226 is movably connected with the positioning groove 215. The left and right rear parts of the sealing plate 22 are fixedly connected with a connecting rod 227, which is used to cooperate with the connection of the sealing plate 22 and the mounting frame 21. The connecting rod 227 penetrates and is rotatably connected with the mounting frame 21.

[0038] Working principle: in use, first open the lock plate 11 and then insert the limiting sleeve 211 at the rear of the mounting frame 21 of the waterproof sealing mechanism 2 into the limiting groove 101, so that the limiting sleeve 211 is sleeved on the limiting strip 104, and the convex strips 212 at both ends of the limiting sleeve 211 are clamped in the recess 103, thereby fixing the connector housing 1 and the waterproof sealing mechanism 2, then open the sealing plate 22 by pulling the buckle 223, then insert the FPC flexible circuit board connecting end into the waterproof sealing mechanism 2 and the connector housing 1, then lock the lock plate 11, then press the sealing plate 22 downward, so that the two second positioning strips 226 on the sealing plate 22 extrude the first positioning strip 214 and make the mounting frame 21 slightly deform, thereby making the second positioning strip 226 pass through the first positioning strip 214 and be clamped into the positioning groove 215, and the first positioning strip 214 is clamped in the auxiliary groove 225, at this time the sealing strip 222 in the mounting groove 221 at the rear of the sealing plate 22 is connected with the sealing groove 111 at the lower part of the lock plate 11, and the pressing surface 112 extrudes the sealing strip 222, thereby sealing the connector housing 1 and the waterproof sealing mechanism 2, and at the same time, when the mounting frame 21 and the sealing plate 22 are fixed, the first sealing gasket 213 and the second sealing gasket 224 are respectively abutted against the upper and lower sides of the FPC flexible circuit board, thereby sealing the FPC flexible circuit board and the connector housing 1.

[0039] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A waterproof sealed FPC flexible wiring board connector of the type comprising a connector housing (1), characterized in that: The front part of the connector shell (1) is provided with a waterproof sealing mechanism (2), the left and right parts of the front side of the connector shell (1) are provided with limiting grooves (101), the inner wall rear side of the limiting groove (101) is fixedly connected with a fixed seat (102), the front part of the fixed seat (102) is fixedly connected with a limiting strip (104), the left and right parts of the fixed seat (102) and the limiting strip (104) are connected with grooves (103), the waterproof sealing mechanism (2) comprises a mounting frame (21), the upper part of the mounting frame (21) is provided with a sealing plate (22), the left and right parts of the rear side of the mounting frame (21) are fixedly connected with limiting sleeves (211), the limiting sleeve (211) is movably connected with the limiting strip (104), the rear side of the limiting sleeve (211) is fixedly connected with a convex strip (212), and the convex strip (212) is movably connected with the groove (103).

2. The waterproof sealed FPC flexible circuit board connector according to claim 1, characterized in that: The front side of the connector shell (1) is movably connected with a lock plate (11), and the rear side of the connector shell (1) is fixedly connected with a pin (12).

3. The waterproof sealed FPC flexible circuit board connector according to claim 1, characterized in that: The inner wall of the mounting frame (21) is fixedly connected with a first sealing gasket (213).

4. The waterproof sealed FPC flexible circuit board connector according to claim 1, characterized in that: The left and right sides of the inner wall of the mounting frame (21) are fixedly connected with a first positioning strip (214), and a positioning groove (215) is formed below the first positioning strip (214).

5. The waterproof sealed FPC flexible board connector according to claim 1, characterized in that: The rear side of the sealing plate (22) is provided with a mounting groove (221), and the top of the mounting groove (221) is fixedly connected with a sealing strip (222).

6. The waterproof sealed FPC flexible board connector according to claim 1, characterized in that: The top surface of the sealing plate (22) is fixedly connected with a buckle (223), and the bottom of the sealing plate (22) is fixedly connected with a second sealing gasket (224).

7. The waterproof sealed FPC flexible board connector according to claim 4, characterized in that: The left and right sides of the sealing plate (22) are provided with auxiliary grooves (225), and the second positioning strip (226) is fixedly connected below the auxiliary groove (225), the second positioning strip (226) is movably connected with the positioning groove (215), and the left and right rear parts of the sealing plate (22) are fixedly connected with connecting rods (227), the connecting rods (227) penetrate the mounting frame (21) and are rotatably connected.

8. The waterproof sealed FPC flexible board connector according to claim 2, characterized in that: The bottom surface of the lock plate (11) is provided with a sealing groove (111), and the inner wall of the sealing groove (111) is provided with a pressing surface (112).

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