CN217361936U - Drawer type FPC connector - Google Patents

Abstract

The utility model relates to a drawer type FPC connector. A drawer type FPC connector, include: the plug comprises a main body, a rear plug and two rotary buckles; the main body comprises an accommodating part, two buckling parts and terminals arranged in an array; the terminal is arranged inside the accommodating part; the two buckling parts are symmetrically arranged on two sides of the accommodating part; the rear plug is inserted in the main body; the rear plug is provided with a bearing plate for bearing the FPC; the rotary buckle comprises a fixed frame and a buckle sheet fixedly connected with the fixed frame; the fixing frame is screwed on the buckling part; the buckle piece is used for wrapping and buckling the rear plug. A drawer type FPC connector, detain through the rotation and lock the back stopper admittedly, the structure is firm, convenient operation to can dismantle FPC simply completely.

Description

Drawer type FPC connector

Technical Field

The utility model relates to a FPC connector technical field especially relates to a drawer type FPC connector.

Background

The FPC Connector, i.e. a Flexible Printed Circuit Connector, is a Flexible Printed Circuit Connector (Flexible Circuit board/Flexible Printed Circuit board/bus Connector), and has the characteristics of high wiring density, light weight, thin thickness and good bending property, so that it is widely applied to the fields of computer motherboards, liquid crystal displays, automobiles, mobile storage devices, etc., and is an effective scheme for realizing signal connection or transmission between functional modules inside such devices or with external devices, and communication between devices and power supplies or signal sources, and finally realizing the power supply/signal connection of devices.

At present, the common structures of the FPC connector comprise a drawer type structure and a flip type structure. The guide block is arranged on the drawer seat of the existing drawer type FPC connector, the guide inclined plane on the guide block can play a role in guiding the flexible circuit board, so that the flexible circuit board and the connector can be conveniently installed, the drawer seat is provided with a plurality of limiting convex strips, the limiting inclined planes of the limiting convex strips can compress the flexible circuit board in the inserting space, and the connection reliability of the connector and the flexible circuit board is improved. However, this structure easily damages the FPC when detaching the FPC.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a drawer type FPC connector, it is detained through the rotation and is locked admittedly to the back stopper, and the structure is firm, convenient operation to can dismantle FPC simply completely.

A drawer-type FPC connector comprising: the plug comprises a main body, a rear plug and two rotary buckles; the main body comprises an accommodating part, two buckling parts and terminals arranged in an array; the terminal is arranged in the accommodating part; the two buckling parts are symmetrically arranged at two sides of the accommodating part; the rear plug is inserted in the main body; the rear plug is provided with a bearing plate for bearing the FPC; the rotary buckle comprises a fixed frame and a buckle sheet fixedly connected with the fixed frame; the fixing frame is screwed on the buckling part; the cramp is used for wrapping and buckling the rear plug.

The utility model discloses a drawer type FPC connector, its beneficial effect lies in: the rear plug is locked through the rotary buckle, the structure is stable, the operation is convenient, and the FPC can be simply and completely detached.

Furthermore, the buckle sheet is an elastic sheet, is easy to deform and is convenient to buckle and disassemble.

Furthermore, the rotating buckle also comprises a tongue piece connected with the end part of the buckle piece, so that the rotating piece can be conveniently separated from the rear plug.

Furthermore, the buckling part is provided with a positioning sheath; the fixing frame is provided with a positioning hole; the locating sheath is located to the locating hole cover, and rotatory knot is around the rotatory lock of locating sheath and dismantles.

Furthermore, the rear plug also comprises a limiting block; the limiting block is fixedly connected with the bearing plate; the limiting block is provided with a locking groove; the buckling piece is buckled with the locking groove in a matching way.

Furthermore, two sides of the bearing plate are provided with baffle plates; the baffle is provided with a positioning notch; the FPC positioning part is clamped at the positioning notch, so that the FPC can be effectively prevented from falling off from the accommodating groove.

Further, the rear plug comprises a push rod; the end part of the push rod is provided with a back-off; the buckling part is also provided with a guide hole, and one end of the guide hole, which is close to the limiting block, is provided with a clamping block; the reverse buckle and the clamping block are arranged in a staggered way in the opposite direction; so design, can effectively prevent to pull out the guiding hole completely with whole back stopper to need counterpoint again when leading to the assembly once more, make things convenient for processes such as rework in the production process.

Further, the utility model provides a drawer type FPC connector, still include the stationary blade; the fixing piece is buckled outside the buckling part; the fixing piece is used for welding an external circuit board; the method is used for enhancing the welding strength of the connector and the PCB.

Further, the fixing piece comprises two end faces and a bottom plate; the end surface is provided with a buckle; the buckling part is provided with a clamping groove; the buckle is buckled with the clamping groove in an interference manner; the fixing sheet is firmly wrapped outside the buckling part.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is an exploded view of example 1;

FIG. 2 is a bottom view of embodiment 1;

FIG. 3a is a top view of example 1;

FIG. 3b is a cross-sectional view A-A of FIG. 3 a;

FIG. 3c is a cross-sectional view taken along line B-B of FIG. 3 a;

FIG. 3d is a partial enlarged view of FIG. 3 c;

FIG. 4a is a front view of embodiment 1;

FIG. 4b is a cross-sectional view taken along line C-C of FIG. 4a

FIG. 5 is an exploded view of example 2

FIG. 6a is a bottom view of the preferred embodiment 2;

FIG. 6b is a cross-sectional view taken along line D-D of FIG. 6 a;

FIG. 6c is a cross-sectional view taken along line E-E of FIG. 6 a;

FIG. 7a is a front view of the preferred embodiment 2;

fig. 7b is a cross-sectional view F-F of fig. 7 a.

In the figure: 100-FPC; 10-a body; 11-a locus of containment; 111-a receiving groove; 112-a chute; 1111-upper groove; 1112-a lower groove; 12-a snap-fit portion; 121-card slot; 122-a pilot hole; 1221-a fixture block; 123-positioning sheath; 13-a terminal; 131-upper arm; 132-a lower arm; 133-a weld; 20-rear plug; 21-a push rod; 211-reversing; 22-bearing plate; 221-a baffle; 2211-inclined plane; 222-positioning the incision; 23-a limiting block; 231-locking grooves; 30-a fixing sheet; 31-end face; 31 a-upper end face; 31 b-lower end face; 311-an opening; 312-fastener; 32-a bottom plate; 40-rotating the button; 41-a fixing frame; 411-locating holes; 421-tongue piece; 422-cramp.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical direction", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the present invention, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1-4, the present embodiment provides a drawer-type FPC connector, which includes a main body 10, a rear plug 20, a fixing piece 30, and a rotating buckle 40.

The main body 10 includes accommodating portions 11, terminals 13 arranged in an array, and two symmetrically disposed engaging portions 12. The accommodating portion 11 is provided with an accommodating groove 111, and the accommodating groove 111 is an insertion space of the FPC 100. An upper groove 1111 is formed in the upper surface of the accommodating groove 111; a lower groove 1112 is arranged on the lower surface of the accommodating groove 111; both side surfaces of the accommodating groove 111 are provided with sliding grooves 112. The terminal 13 includes an upper arm 131, a lower arm 132, and a soldering portion 133; the upper arm 131 is clamped in the upper groove 1111 of the accommodating groove 111; the upper arm 131 is provided with a protrusion for contacting the FPC; a certain space is reserved between the tail end of the upper arm 131 and the groove surface of the upper groove 1111 and is used for deformation of the upper arm 131 after the FPC is inserted; the lower arm 132 is snapped into the lower groove 1112; the soldering portion 133 is disposed outside the accommodating portion 11 and soldered to the PCB. The two buckling parts 12 are symmetrically arranged at two sides of the outer part of the accommodating part 11; a guide hole 122 is arranged in the middle of the buckling part 12; a clamping block 1221 is arranged at one end, positioned at the opening of the accommodating groove 111, of the guide hole 122; the upper and lower surfaces of the engaging portion 12 are respectively provided with a locking groove 121, and a positioning sheath 123 is disposed on the surface away from the welding portion 133.

The rear plug 20 comprises a bearing plate 22, a limiting block 23 and two push rods 21 which are symmetrically arranged, and two sides of the bearing plate 22 are provided with baffle plates 221; the two side baffles 221 are provided with positioning notches 222; one side baffle 221 of the positioning notch 222 is provided with an inclined plane 2211 for guiding when placing an FPC; the push rod 21 is arranged in the guide hole 122 and moves in the guide hole 122; the tail of the push rod 21 is provided with a back-off 211. The stopper 23 is disposed outside the main body 10, and a locking groove 231 is disposed at the hand pushing portion. When the rear plug 20 is inserted into the receiving groove 111, the rear plug 20 is pushed toward the welding portion 133 of the terminal 13, the baffle 221 slides along the sliding groove 112, and the push rod 21 moves in the guide hole 122; when the stopper 23 contacts the body 10, the rear plug 20 stops moving. When the back plug 20 is pulled out of the receiving groove 111, the back plug 20 moves away from the welding portion 133 of the terminal 13, the baffle 221 slides along the sliding groove 112, the push rod 21 moves in the guide hole 122, and when the back-off 211 contacts the fixture block 1221, the movement is stopped.

The fixing piece 30 is provided with two end faces 31 and a bottom plate 32. The two end faces 31 are symmetrically arranged and are an upper end face 31a and a lower end face 31b respectively; the two end faces 31 are provided with openings 311 and buckles 312, the openings 311 of the upper end face 31a are clamped outside the positioning sheath 123, so that the fixing piece 30 is wrapped outside the buckling part 12; the buckle 312 is fastened with the clamping groove 121 in an interference manner; the lower end surface 31b is horizontally arranged with the welding part 133 and is used for welding with the PCB; .

The rotating buckle 40 is provided with a fixing frame 41 and a buckle piece 422 fixedly connected with the fixing frame. The fixing frame 41 is provided with a positioning hole 411; the positioning hole 411 is sleeved outside the positioning sheath 123. The buckle piece 422 is externally connected with a tongue piece 421. In the locked state, the fastening piece 422 is fastened in the locking groove 231. Specifically, the cramp is the flexure strip in this embodiment, makes things convenient for lock and dismantlement in-process deformation.

Referring to fig. 2, when the connector is used, the soldering portion 133 of the terminal 13 and the lower end surface 31b of the fixing piece 30 are soldered to the PCB, so that the connector is horizontally fixed to the PCB.

When the FPC cable is assembled, the rear plug 20 is firstly pulled out from the main body 10, at this time, the push rod 21 moves horizontally outwards in the guide hole 122 parallel to the welding plane, until the back-off 211 of the push rod 21 abuts against the fixture block 1221 at the end of the guide hole 122, the rear plug 20 stops moving, and at this time, the receiving plate 22 is pulled out from the accommodating groove 111; placing the FPC in the bearing plate 22, and placing positioning points at two ends of the FPC in the positioning notches 222; after the placement is finished, the rear plug 20 is pushed to insert the rear plug 20 into the main body 10, the baffle 221 slides towards the inside of the accommodating groove 111 along the sliding groove 112, and the sliding is stopped when the limiting block 23 abuts against the main body 10; at this time, the FPC is placed in the receiving groove 111 and is in conductive contact with the upper arm 131 and the lower arm 132 of the terminal 13; then, the locking piece 422 is pushed to rotate around the positioning sheath 123 and is locked into the locking groove 231 to complete the FPC assembly.

When the FPC is detached, the tongue piece 421 is first pulled, and the hook piece 422 is separated from the locking groove 231; then, the rear plug 20 is pulled outwards until the back-off 211 of the push rod 21 contacts the fixture block 1221 at the end of the guide hole 122, and the rear plug 20 stops moving; the FPC can be completely removed at this time. The FPC cannot be damaged in the whole assembling and disassembling process.

Example 2

Referring to fig. 5-7, the present embodiment provides a drawer-type FPC connector, which includes a main body 10, a rear plug 20, a fixing piece 30, and a rotating buckle 40.

The main body 10 includes accommodating portions 11, terminals 13 arranged in an array, and two symmetrically disposed engaging portions 12. The accommodating portion 11 is provided with an accommodating groove 111, and the accommodating groove 111 is an insertion space of the FPC 100. An upper groove 1111 is formed in the upper surface of the accommodating groove 111; a lower groove 1112 is arranged on the lower surface of the accommodating groove 111; both side surfaces of the accommodating groove 111 are provided with sliding grooves 112. The terminal 13 includes an upper arm 131, a lower arm 132, and a soldering portion 133; the upper arm 131 is clamped in the upper groove 1111 of the accommodating groove 111; the upper arm 131 is provided with a projection for contacting with the FPC; a certain space is reserved between the tail end of the upper arm 131 and the groove surface of the upper groove 1111 and used for deformation of the upper arm 131 after the FPC is inserted; lower arm 132 snaps into lower groove 1112; the soldering portion 133 is disposed outside the accommodating portion 11 and soldered to the PCB. The two buckling parts 12 are symmetrically arranged at two sides of the outer part of the accommodating part 11; a guide hole 122 is arranged in the middle of the buckling part 12; a clamping block 1221 is arranged at one end of the guide hole 122, which is positioned at the opening of the accommodating groove 111; the upper and lower surfaces of the fastening portion 12 are respectively provided with a locking groove 121 and a positioning sheath 123.

The rear plug 20 comprises a bearing plate 22, a limiting block 23 and two push rods 21 which are symmetrically arranged, and two sides of the bearing plate 22 are provided with baffle plates 221; the two side baffles 221 are provided with positioning notches 222; one side baffle 221 of the positioning notch 222 is provided with an inclined plane 2211 for guiding when placing an FPC; the push rod 21 is arranged in the guide hole 122 and moves in the guide hole 122; the tail of the push rod 21 is provided with a back-off 211. The stopper 23 is disposed outside the main body 10, and a locking groove 231 is disposed at the hand pushing portion. When the rear plug 20 is inserted into the receiving groove 111, the rear plug 20 is pushed toward the welding portion 133 of the terminal 13, the baffle 221 slides along the sliding groove 112, and the push rod 21 moves in the guide hole 122; when the stopper 23 contacts the body 10, the rear plug 20 stops moving. When the rear plug 20 is pulled out of the receiving groove 111, the rear plug 20 moves away from the welding portion 133 of the terminal 13, the baffle 221 slides along the sliding groove 112, the push rod 21 moves in the guide hole 122, and when the inverse buckle 211 contacts the fixture block 1221, the movement is stopped.

The fixing piece 30 is provided with two end faces 31 and a bottom plate 32. The two end faces 31 are symmetrically arranged; the bottom plate 32 is horizontally arranged with the soldering part 133 for soldering with the PCB; the two end faces 31 are provided with an opening 311 and a buckle 312, the opening 311 is clamped outside the positioning sheath 123, so that the fixing piece 30 is wrapped outside the buckling part 12; the latch 312 is engaged with the latch slot 121 in an interference manner.

The rotating buckle 40 is provided with a fixing frame 41 and a buckle piece 422 fixedly connected with the fixing frame. The fixing frame 41 is provided with a positioning hole 411; the positioning hole 411 is sleeved outside the positioning sheath 123. The buckle piece 422 is externally connected with a tongue piece 421. In the locked state, the fastening piece 422 is fastened in the locking groove 231. Specifically, the cramp is the flexure strip in this embodiment, makes things convenient for lock and dismantlement in-process deformation.

Referring to fig. 6a, when the connector is used, the soldering portion 133 of the terminal 13 and the bottom plate 32 of the fixing piece 30 are soldered to the PCB, so that the connector is vertically fixed to the PCB.

When the FPC cable is assembled, the rear plug 20 is firstly pulled out from the main body 10, at this time, the push rod 21 moves vertically outward in the guide hole 122 perpendicular to the welding plane until the reverse buckle 211 of the push rod 21 abuts against the fixture block 1221 at the end of the guide hole 122, the rear plug 20 stops moving, and at this time, the receiving plate 22 is pulled out from the accommodating groove 111; placing the FPC in the bearing plate 22, and placing positioning points at two ends of the FPC in the positioning notches 222; after the placement is finished, the rear plug 20 is pushed, the baffle 221 slides towards the interior of the accommodating groove 111 along the sliding groove 112, and the sliding is stopped when the limiting block 23 abuts against the main body 10; at this time, the FPC is placed in the receiving groove 111 and is in conductive contact with the upper arm 131 and the lower arm 132 of the terminal 13; then, the locking piece 422 is pushed to rotate around the positioning sheath 123 and is locked into the locking groove 231 to complete the FPC assembly.

When the FPC is detached, the tongue piece 421 is first pulled, and the fastening piece 422 is separated from the locking groove 231; then, the rear plug 20 is pulled upwards until the reverse buckle 211 of the push rod 21 contacts the clamping block 1221 at the end part of the guide hole 122, and the rear plug 20 stops moving; the FPC can be completely removed at this time. The FPC cannot be damaged in the whole assembling and disassembling process.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the rotating buckle is used for locking, and the FPC can be simply and completely detached, so that the structure is simple and the operation is convenient.

2. Through taking the notched back stopper of FPC location, can prevent effectively that FPC from droing from the connector.

3. The fixing sheet is welded on the PCB, so that the welding area is increased, and the stability of the connector on the PCB is enhanced.

4. The stopper slides spacingly in the main part after to, can effectively prevent to pull out the guiding hole completely with whole back stopper to need counterpoint again when leading to the assembly once more, make things convenient for processes such as reprocessing in the production process. .

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, to those skilled in the art, changes and modifications may be made without departing from the spirit of the invention, and it is intended that the invention also encompass such changes and modifications.

Claims (9)

1. A drawer-type FPC connector, comprising: the plug comprises a main body, a rear plug and two rotary buckles; the main body comprises an accommodating part, two buckling parts and terminals arranged in an array; the terminal is arranged inside the accommodating part; the two buckling parts are symmetrically arranged on two sides of the accommodating part; the rear plug is inserted in the main body; the rear plug is provided with a bearing plate for bearing the FPC; the rotary buckle comprises a fixed frame and a buckle sheet fixedly connected with the fixed frame; the fixing frame is screwed on the buckling part; the buckle piece is used for wrapping and buckling the rear plug.

2. The drawer-type FPC connector of claim 1, wherein: the buckle sheet is an elastic sheet.

3. The drawer-type FPC connector of claim 2, wherein: the rotary buckle also comprises a tongue piece connected with the end part of the buckle piece far away from one end of the fixed frame.

4. The drawer-type FPC connector of claim 3, wherein: the buckling part is provided with a positioning sheath; the fixing frame is provided with a positioning hole; the positioning hole is sleeved on the positioning sheath.

5. The drawer-type FPC connector according to claim 4, wherein: the rear plug also comprises a limiting block; the limiting block is fixedly connected with the bearing plate; the limiting block is provided with a locking groove; the buckling pieces are buckled with the locking grooves in a matched mode.

6. The drawer-type FPC connector according to claim 5, wherein: baffle plates are arranged on two sides of the bearing plate; the baffle plate is provided with a positioning notch.

7. The drawer-type FPC connector of claim 6, wherein: the rear plug comprises a push rod; the end part of the push rod is provided with a back-off; the buckling part is also provided with a guide hole, and a clamping block is arranged at one end of the guide hole close to the limiting block; the reverse buckle and the clamping block are arranged in a staggered mode in the opposite direction.

8. The drawer-type FPC connector of claim 7, wherein: the fixing piece is also included; the fixing piece is buckled outside the buckling part; the fixing piece is used for welding an external circuit board.

9. The drawer FPC connector of claim 8, wherein: the fixing piece comprises two end faces; the end face is provided with a buckle; the buckling part is provided with a clamping groove; the buckle is buckled with the clamping groove in an interference manner.

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