CN218997111U

CN218997111U - Self-locking PCB connector

Info

Publication number: CN218997111U
Application number: CN202223140952.2U
Authority: CN
Inventors: 向红勇
Original assignee: Shenzhen Lifan Precision Hardware Co ltd
Current assignee: Shenzhen Lifan Precision Hardware Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-09
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to a self-locking type PCB connector, which comprises a plug and a socket, wherein one sides of the plug and the socket are respectively provided with a first clamping hole and a second clamping hole, the top end of the socket of the plug is provided with a wavy groove, the inside of the socket is fixedly connected with a fixing plate, wavy bulges are arranged in the fixing plate and the socket, the bottom end of the fixing plate is internally provided with an arc clamping groove, the inside of the plug is fixedly connected with an elastic limiting plate, and one side of the elastic limiting plate is provided with a strip-shaped groove.

Description

Self-locking PCB connector

Technical Field

The utility model relates to the technical field of PCB connectors, in particular to a self-locking PCB connector.

Background

The existing PCB connector has the specification of 4 to 8 circuits, rated current and voltage of 0.3A and 50V, can be used for FPC cables with the thickness of 0.12mm, has a unique back flip clamp, is convenient for inserting and extracting the cables in a tight space, and has super strong clamping force for the FPC cables.

Through searching, when the existing PCB connector is connected, the existing PCB connector is generally connected with a connector socket matched with the existing PCB connector, and the plug is fastened on the socket through the fastening bolts, but when the existing PCB connector is detached or installed, a user is required to screw the fastening bolts on two sides one by one, so that the working efficiency of installing and removing the plug is reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a self-locking type PCB connector.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

from locking-type PCB connector, including plug and socket, plug and socket one side are equipped with first centre gripping hole and second centre gripping hole respectively, the top department of plug in the socket is equipped with the wave recess, the inside fixedly connected with fixed plate of socket, the fixed plate is protruding with the inside wave that all is equipped with of socket, the inside arc draw-in groove of having seted up of fixed plate bottom, the inside fixedly connected with elasticity limiting plate of plug, the bar recess has been seted up on one side of the elasticity limiting plate, elasticity limiting plate has the fixture block in bar recess department sliding connection, the arcwall face has been seted up on one side of fixture block top, fixedly connected with first spring strip between fixture block bottom and the elasticity limiting plate, a plurality of circular hole has been seted up on one side of the top of socket to the plug, the plug has the thimble at circular hole inside sliding connection, and thimble top fixedly connected with pressing plate, fixedly connected with second spring strip between pressing plate bottom one side and the plug.

Further, arc-shaped grooves are formed in two sides of one end of the elastic limiting plate.

Further, a plurality of cable sockets are formed in one side of the plug.

Further, the plug is provided with a cable at the cable jack.

Furthermore, the plug is internally provided with a contact pin, and the socket is internally provided with a jack.

Further, the rubber layers are fixedly connected to the two sides of the plug.

The beneficial effects of the utility model are as follows:

1. through setting up the fixed plate, the elasticity limiting plate, the fixture block, press plate and arc draw-in groove, when needs insert the socket inside with the plug, the wave recess on plug socket top inserts the cavity inside of socket fixed plate top, wherein wave recess and the mutual interlock of wave arch, the fixed plate lower bottom surface is hugged closely to the elasticity limiting plate simultaneously, the fixture block receives the extrusion of fixed plate lower bottom surface and automatic retract into the inside of bar recess, when the fixture block removes the arc draw-in groove department to the fixed plate below, the fixture block is because the elasticity effect automatic pop-up of first spring strip, thereby realized the one-way convenient block of plug and socket, when the plug receives the traction force of outside extraction, the block can guarantee that the plug can not extract with the plug, when needs extract with the plug, press the pressing plate, the thimble moves down, the thimble extrudees the elasticity limiting plate, the elasticity limiting plate is crooked, thereby drive the fixture block is deviate from inside the arc draw-out from the draw-in groove, and then can be convenient extract the plug from the socket inside, also improved the convenience of device extraction.

2. Through setting up the arc deformation groove, when the thimble is being pressed, the elasticity limiting plate is extruded to the thimble bottom, and the setting in arc deformation groove makes elasticity limiting plate thickness less in arc deformation groove department, and convenience more when warping has improved the convenience that the device was pulled out.

3. Through setting up the rubber layer, when handheld plug and socket connection, the rubber layer has increased the frictional force between plug and the user's hand to stability when handheld plug has been improved.

Drawings

Fig. 1 is an exploded front view of a plug and socket of the self-locking PCB connector according to embodiment 1;

fig. 2 is a plug side view of the self-locking PCB connector according to embodiment 1;

fig. 3 is a side sectional view of a plug-and-socket partial connection of the self-locking PCB connector according to embodiment 1;

fig. 4 is a front view of a rubber layer of the self-locking PCB connector according to embodiment 2.

In the figure: 1-plug, 2-cable socket, 3-first clamping hole, 4-cable, 5-socket, 6-second clamping hole, 7-fixed plate, 8-wave recess, 9-contact pin, 10-arc draw-in groove, 11-fixture block, 12-press board, 13-second spring strip, 14-first spring strip, 15-arc deformation groove, 16-rubber layer, 17-elasticity limiting plate.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Example 1

Referring to fig. 1-3, the self-locking type PCB connector comprises a plug 1 and a socket 5, wherein one sides of the plug 1 and the socket 5 are respectively provided with a first clamping hole 3 and a second clamping hole 6, the top end of the plug 1 is provided with a wavy groove 8, the socket 5 is fixedly connected with a fixing plate 7, wavy bulges are arranged in the fixing plate 7 and the socket 5, an arc clamping groove 10 is arranged in the bottom end of the fixing plate 7, an elastic limiting plate 17 is fixedly connected in the plug 1, a strip-shaped groove is arranged on one side of the elastic limiting plate 17, a clamping block 11 is slidingly connected at the strip-shaped groove, an arc surface is arranged on one side of the top end of the clamping block 11, a first spring strip 14 is fixedly connected between the bottom end of the clamping block 11 and the elastic limiting plate 17, a plurality of circular holes are arranged on one side of the top end of the socket of the plug 1, a thimble is slidingly connected in the circular holes of the plug 1, the top end of the thimble is fixedly connected with the pressing plate 12, one side of the bottom end of the pressing plate 12 is fixedly connected with the second spring strip 13 between the plug 1 and the plug 1, when the plug 1 is required to be inserted into the socket 5, the wavy groove at the top end of the socket of the plug 1 is inserted into the cavity above the fixed plate 7 of the socket 5, the wavy groove and the wavy bulge are mutually meshed, meanwhile, the elastic limiting plate 17 is tightly attached to the lower bottom surface of the fixed plate 7, at the moment, the clamping block 11 is extruded by the lower bottom surface of the fixed plate 7 to automatically retract into the strip-shaped groove, when the clamping block 11 moves to the arc-shaped clamping groove 10 below the fixed plate 7, the clamping block 11 automatically pops up due to the elastic action of the first spring strip 14, thereby realizing the unidirectional convenient clamping of the plug 1 and the socket 5, when the plug 1 is subjected to external pulling traction force, the clamping between the clamping block 11 and the arc-shaped clamping groove 10 can ensure that the plug 1 can not be pulled out, when the plug 1 is required to be pulled out, the pressing plate 12 is pressed, the pressing plate 12 drives the ejector pin to move downwards, the ejector pin extrudes the elastic limiting plate 17, and the elastic limiting plate 17 is bent, so that the clamping block 11 is driven to be separated from the arc-shaped clamping groove 10, and the plug 1 can be conveniently pulled out of the socket 5, and the convenience of pulling out the device is also improved.

Wherein, arc deformation groove 15 has all been seted up to elasticity limiting plate 17 one end both sides, a plurality of cable socket 2 has been seted up to plug 1 one side, plug 1 is equipped with cable 4 in cable socket 2 department, plug 1 is inside to be equipped with contact pin 9, socket 5 is inside to be equipped with the jack, when the thimble is being pressed, thimble bottom extrusion elasticity limiting plate 17, the setting up of arc deformation groove 15 makes elasticity limiting plate 17 in arc deformation groove 15 department thickness less, more convenient when warping the bending, the convenience of device extraction has been improved.

Working principle: when the plug 1 is required to be inserted into the socket 5, the wavy groove at the top end of the socket of the plug 1 is inserted into the cavity above the fixed plate 7 of the socket 5, the wavy groove is meshed with the wavy bulge, meanwhile, the elastic limiting plate 17 is tightly attached to the lower bottom surface of the fixed plate 7, the clamping block 11 is extruded by the lower bottom surface of the fixed plate 7 to retract automatically into the strip-shaped groove, when the clamping block 11 moves to the arc-shaped clamping groove 10 below the fixed plate 7, the clamping block 11 automatically pops out due to the elastic action of the first spring strip 14, so that the plug 1 and the socket 5 are clamped conveniently in one direction, when the plug 1 is subjected to the traction force of external pulling, the clamping block 11 and the arc-shaped clamping groove 10 can ensure that the plug 1 cannot be pulled out, when the plug 1 is required to be pulled out, the pressing plate 12 is pressed to drive the ejector pins to move downwards, the ejector pins are extruded by the elastic limiting plate 17 to bend the elastic limiting plate 17, so that the clamping block 11 is driven to be pulled out from the arc-shaped clamping groove 10, and the plug 1 can be pulled out conveniently from the socket 5.

When the thimble is pressed, the bottom end of the thimble extrudes the elastic limiting plate 17, and the arc deformation groove 15 enables the elastic limiting plate 17 to be smaller in thickness at the arc deformation groove 15, so that the thimble is more convenient to deform and bend, and the convenience of pulling out the thimble is improved.

Example 2

Referring to fig. 4, in the present embodiment, in order to increase the practicability of the device, rubber layers 16 are fixedly connected to both sides of the plug 1, and when the handheld plug 1 is connected to the socket 5, the rubber layers 16 increase the friction between the plug and the hand of the user, thereby improving the stability of the handheld plug 1.

Working principle: when the plug 1 is required to be inserted into the socket 5, the wavy groove at the top end of the socket of the plug 1 is inserted into the cavity above the fixed plate 7 of the socket 5, the wavy groove is meshed with the wavy bulge, meanwhile, the elastic limiting plate 17 is tightly attached to the lower bottom surface of the fixed plate 7, the clamping block 11 is extruded by the lower bottom surface of the fixed plate 7 to automatically retract into the strip-shaped groove, when the clamping block 11 moves to the arc-shaped clamping groove 10 below the fixed plate 7, the clamping block 11 automatically pops out due to the elastic action of the first spring strip 14, so that the plug 1 and the socket 5 are conveniently and unidirectionally clamped, when the plug 1 is subjected to external pulling force, the clamping block 11 and the arc-shaped clamping groove 10 can be used for ensuring that the plug 1 cannot be pulled out, when the plug 1 is required to be pulled out, the pressing plate 12 is pressed to drive the ejector pins to move downwards, the ejector pins are extruded by the elastic limiting plate 17 to bend the elastic limiting plate 17, so that the clamping block 11 is driven to be pulled out from the arc-shaped clamping groove 10, and the plug 1 can be conveniently pulled out from the socket 5.

When the hand-held plug 1 is connected with the socket 5, the rubber layer 16 increases the friction between the plug and the user's hand, thereby improving the stability when the plug 1 is held.

While the present utility model has been described in terms of preferred embodiments, it should be understood that the present utility model is not limited to the preferred embodiments, but is intended to be limited to the specific embodiments disclosed herein, and that any person skilled in the art may make various changes or modifications to the embodiments without departing from the scope of the present utility model, and any modification, equivalent and variation to the embodiments described above according to the technical matter of the present utility model may still fall within the scope of the present utility model, and at the same time, all the standard parts used in the present utility model may be purchased from the market, all the special parts may be customized according to the descriptions of the specification and the drawings, all the specific connection modes of the parts may be conventional means such as bolt rivets and welding, all the mechanical, part and equipment may be conventional types in the prior art, and all the connection modes may be conventional in the prior art, which are not described in detail herein.

Claims

1. From locking-type PCB connector, including plug (1) and socket (5), plug (1) and socket (5) one side are equipped with first centre gripping hole (3) and second centre gripping hole (6) respectively, a serial communication port, plug (1) are equipped with wave recess (8) in the top department of socket, inside fixedly connected with fixed plate (7) of socket (5), fixed plate (7) all are equipped with the wave arch with socket (5) inside, arc draw-in groove (10) have been seted up to fixed plate (7) bottom inside, plug (1) inside fixedly connected with elasticity limiting plate (17), bar recess has been seted up on one side of elasticity limiting plate (17) in bar recess sliding connection has fixture block (11), and the arcwall face has been seted up on one side of fixture block (11) top, a plurality of circular hole has been seted up on one side of the top of socket to plug (1) between fixture block (11) bottom and elasticity limiting plate (17), plug (1) are at circular hole inside sliding connection has ejector pin (12) and are pressed between fixed connection (13) and two ejector pin (13).

2. The self-locking PCB connector of claim 1, wherein the elastic limiting plate (17) is provided with arc-shaped grooves (15) on both sides of one end.

3. The self-locking PCB connector of claim 2, wherein a plurality of cable sockets (2) are provided on one side of the plug (1).

4. A self-locking PCB connector according to claim 3, characterized in that the plug (1) is provided with a cable (4) at the cable socket (2).

5. The self-locking PCB connector of claim 4, wherein the plug (1) is internally provided with pins (9) and the socket (5) is internally provided with sockets.

6. The self-locking PCB connector of claim 5, wherein rubber layers (16) are fixedly connected to both sides of the plug (1).