CN114824884A

CN114824884A - Two-sided socket contact's winding displacement connector

Info

Publication number: CN114824884A
Application number: CN202210007143.XA
Authority: CN
Inventors: 洪新江; 卢兵; 张颖
Original assignee: Zhejiang Xinfuer Electronics Co ltd
Current assignee: Zhejiang Xinfuer Electronics Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-07-29

Abstract

The invention discloses a double-sided plug-in contact bus connector, which comprises a female connecting seat and a male connecting end, wherein the female connecting seat and the male connecting end are matched in a plug-in manner; one end in the female connecting seat is concavely provided with a socket, and a row of PIN terminals are respectively arranged on the upper side and the lower side of the socket on the female connecting seat; the male end is provided with a plug portion suitable for being inserted into the socket in a protruding mode, a positioning caulking groove is formed in each of the upper side and the lower side of the plug portion on the male end, the two flat cables are connected to the male end in an up-and-down positioning mode, the golden finger ends on the two flat cables are embedded into the two positioning caulking grooves respectively, when the male end is connected to be matched with the female seat, the plug portion is inserted into the socket, and the golden finger ends on the two flat cables are correspondingly contacted with the two rows of PIN terminals respectively to form electric connection. The flat cable connector is reasonable in structural design, stable and reliable in electric connection and good in practicability, and the structure is optimally designed, so that two flat cables can be connected in a suitable manner.

Description

Double-sided plug-in contact type flat cable connector

Technical Field

The invention relates to a double-sided plug-in contact type flat cable connector, and belongs to the field of structural design of electric connectors.

Background

A flat cable (e.g., an FFC flat cable) is a flexible thin sheet-like wire used for electrical signal transmission, and is widely applied to various electronic products, especially electronic products with light weight and thin size. The tail end of the flat cable is usually connected with a flat cable connector, and the flat cable connector is fixed on an external circuit board, so that the flat cable is connected with the external circuit board. The existing flat cable connector is mostly of a flip-type structure, namely, a flip cover which can be turned over to open and lock is arranged on the flat cable connector, when the flat cable connector is installed and used, the flip cover is firstly turned over to open, a golden finger end of a flat cable is inserted into the connector, then the flip cover is turned over to lock the flat cable, and therefore the flat cable is prevented from slipping and is well contacted with an inner terminal of the connector. The problems of the prior bus bar connector are as follows: due to the structural limitation, one flat cable connector can only be connected with one flat cable, and if two flat cables are connected, the two flat cable connectors need to be fixed on an external circuit board, so that a large space on the circuit board is occupied, and the arrangement of other electronic components on the circuit board can be interfered.

Disclosure of Invention

In response to the deficiencies noted in the background, the present invention is directed to a flat cable connector that is adaptable to connect two flat cables.

The technical scheme for realizing the purpose of the invention is as follows:

a double-sided plug-in contact bus connector comprises a female connecting seat and a male connecting end which are in plug-in fit;

a socket is concavely arranged at one end in the connecting female socket, a row of PIN terminals are respectively arranged on the upper side and the lower side of the socket on the connecting female socket, and the two rows of PIN terminals are provided with electric connection PINs which extend out from the other end of the connecting female socket and are used for connecting a circuit board;

the plug part is suitable for being inserted into the socket and is arranged at one end of the male connecting end in a protruding mode, a positioning caulking groove is formed in each of the upper side and the lower side of the plug part on the male connecting end, two flat cables are connected to the male connecting end in an up-and-down positioning mode, the golden finger ends on the two flat cables are respectively embedded into the two positioning caulking grooves, the male connecting end and the female connecting seat are matched, the plug part is inserted into the socket, and the golden finger ends on the two flat cables are respectively in corresponding contact with the two rows of PIN terminals to form electric connection.

In the technical scheme, terminal grooves are formed in the upper side wall and the lower side wall of the socket at intervals in the width direction of the socket, the PIN terminals are embedded into the terminal grooves in a one-to-one correspondence mode, and each PIN terminal is provided with an elastic contact part which is bent towards the inner direction of the socket to form contact with the golden finger end.

In the technical scheme, the power connection PINs of all the PIN terminals are arranged in a straight line at intervals along the width direction of the socket, and the power connection PINs of the PIN terminals on the upper row and the power connection PINs of the PIN terminals on the lower row are alternately arranged.

In the technical scheme, the connecting male end is provided with the plastic clamping pin, the plastic clamping pin is provided with the positioning column extending towards the inside of the connecting male end, and the flat cable is provided with the positioning notch matched with the positioning column in a positioning manner.

Among the above-mentioned technical scheme, connect public end and go up the location caulking groove root is formed with the pore that supplies the winding displacement to pass connect public end one side outside with the position that the pore corresponds forms the mounting groove, the mounting groove is followed socket width direction extends the setting the mounting groove both ends respectively through a location jack and two pore ways perpendicular intercommunication, mould a bayonet lock embedding in the mounting groove, mould a bayonet lock both ends the reference column inserts correspondingly location jack and with the cooperation of location notch.

In the technical scheme, the plastic part bayonet lock is buckled on the connecting male end through a buckle structure.

In the technical scheme, the two ends of the plastic part clamping pin form the buckles, and the connecting male end is provided with the clamping holes respectively matched with the two buckles.

Among the above-mentioned technical scheme, the relative both sides face of location caulking groove forms the side slot, and the front end portion of location caulking groove is formed with keeps off the platform, the both sides limit of the gold finger end on the winding displacement inserts respectively in the slot of both sides, keep off the platform edge the width direction of socket sets up, and blocks in the front portion of gold finger end.

In the technical scheme, the connecting male end is provided with the hook, the connecting female seat is provided with the hanging table matched with the hook, and the connecting male end is connected with the connecting female seat in a plugging mode to form hook matching with the hanging table.

The invention has the positive effects that: the flat cable connector is reasonable in structural design and suitable for connecting two flat cables, when the flat cable connector is actually used, the flat cable connector is arranged on a circuit board, the two flat cables can be connected with the circuit board at the same time, and the two flat cables do not need to be connected with the two flat cables through two connectors, so that the space on the circuit board is effectively saved, the size of the circuit board is reduced, and the small-size and compact design of a product is facilitated.

Drawings

Fig. 1 is a schematic perspective view of a double-sided plug-in contact flat cable connector according to the present invention;

FIG. 2 is a schematic view of the female connector housing and the male connector housing of the double-sided plug-in contact bus bar connector shown in FIG. 1;

FIG. 3 is a top plan view of the double-sided plug contact gang connector shown in FIG. 1;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 3;

FIG. 7 is a view showing a structure of a female connector according to the present invention;

FIG. 8 is a view showing the female coupling block of FIG. 7 viewed from another angle;

FIG. 9 is a view showing the structure of the connection male terminal of the present invention connected to a flat cable;

figure 10 is an exploded view of the assembly shown in figure 9.

The reference symbols shown in the figures are: 1-connecting the female seat; 11-a socket; 12-terminal slot; 13-hanging the table;

2-connecting a male end; 21-a plug portion; 22-positioning caulking groove; 221-side slot; 222-a baffle table; 23-mounting grooves; 24-a positioning receptacle; 25-clamping hole; 26-hanging hooks; a 3-PIN terminal; 30-connecting a pin;

31-a resilient contact; 4-a circuit board; 5-arranging wires; 51-gold finger tip; 52-locating notches; 6-plastic part clamping pin; 61-a locating post; 62-buckling.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 10, the present embodiment provides a double-sided plug-in contact bus bar connector, which includes a female connection socket 1 and a male connection end 2 that are mated with each other; a socket 11 is concavely arranged at one end in the connected female socket 1, a row of PIN terminals 3 are respectively arranged on the upper side and the lower side of the socket 11 on the connected female socket 1, the two rows of PIN terminals 3 are provided with electric PINs 30 which extend out from the other end of the connected female socket 1 and are used for connecting a circuit board 4, and the PIN terminals 3 in the connector female socket 1 are connected into a circuit by welding the electric PINs 30 with pads on the circuit board 4; a plug part 21 suitable for being inserted into the socket 11 is convexly arranged at one end of the male connecting end 2, positioning caulking grooves 22 are respectively formed in the upper side and the lower side of the plug part 21 on the male connecting end 2, the two flat cables 5 are positioned and connected to the male connecting end 2 one above the other, golden finger ends 51 on the two flat cables 5 are respectively embedded in the two positioning caulking grooves 22, when the male connecting end 2 is matched with the female connecting base 1, the plug part 21 is inserted into the socket 11, and the golden finger ends 51 on the two flat cables 5 are respectively in corresponding contact with the two rows of PIN terminals 3 to form electric connection; the connector adopts the structure in the embodiment, can be adapted to connect two flat cables 5, when in actual use, the connector is arranged on the circuit board 4, and simultaneously connects the two flat cables with the circuit board 4, without arranging two connectors to respectively connect the two flat cables 5, thereby effectively saving the space on the circuit board 4, thereby reducing the volume of the circuit board, being beneficial to the miniaturization and the compactness design of products, specifically, the connecting female seat 1 is fixed on the circuit board 4 and correspondingly welds the electric PINs 30 of the PIN terminals 3 with the welding pads on the circuit board 4, the end parts of the two flat cables 5 are connected with the connecting male end 2, the golden finger ends 51 on the two flat cables 5 are respectively embedded in the positioning embedding grooves 22 at the upper side and the lower side of the connecting male end 2, after the connecting male end 2 is oppositely inserted with the connecting female seat 1, the golden finger ends 51 on the two flat cables 5 are respectively correspondingly contacted with the two rows of PIN terminals 3 in the inserting holes 11, thus, the flat cable 5 and the circuit board 4 can be electrically connected.

As an embodiment of strengthening female seat 1 of connection and being connected 2 fastnesses of public end, in this embodiment the shaping has couple 26 on connecting public end 2 connect female seat 1 go up the shaping have with couple 26 complex string platform 13, connect public end 2 with connect female seat 1 and peg graft when target in place couple 26 with hang platform 13 and form the hook cooperation, cooperation firm in connection, avoid connecting public end 2 and receive external force to draw when dragging with connect female seat 1 abnormal separation.

In this embodiment, as shown in fig. 1 to 4 and 6, terminal grooves 12 are provided on the upper and lower side walls of the socket 11 at intervals in the width direction of the socket 11, the PIN terminals 3 are fitted into the terminal grooves 12 in a one-to-one correspondence, the PIN terminals 3 can be positioned by the terminal grooves 12, the PIN terminals 3 have elastic contact portions 31 bent in the direction of the socket 11 to be in contact with the gold finger tips 51, and the elastic contact portions 31 are in elastic contact with the corresponding gold finger tips 51 to form electrical connection, thereby ensuring reliable and effective connection.

In this embodiment, the electrical PINs 30 of all the PIN terminals 3 are arranged in a line shape along the width direction of the socket 11, the pads welded to the electrical PINs 30 on the corresponding circuit board 4 are also arranged in a line shape, and the electrical PINs 30 of the PIN terminals 3 on the upper row and the electrical PINs 30 of the PIN terminals 3 on the lower row are alternately arranged.

As a further improvement of this embodiment, referring to fig. 5 and 10, a plastic bayonet 6 is mounted on the male connecting end 2, a positioning column 61 extending into the male connecting end 2 is disposed on the plastic bayonet 6, a positioning notch 52 in positioning fit with the positioning column 61 is disposed on the flat cable 5, when the male connecting end 2 is connected with the flat cable 5, the end of the flat cable 5 is inserted into the male connecting end 2, and then the plastic bayonet 6 is mounted on the male connecting end 2 and is matched with the positioning notch 52 on the flat cable 5 through the positioning column 61 thereon, so as to lock the end of the flat cable 5 on the male connecting end 2, thereby preventing the flat cable 5 from shaking back and forth and being pulled out under force.

Further, connect on the public end 2 the location caulking groove 22 root is formed with the pore that supplies winding displacement 5 to pass connect 2 one side of public end outside with the position that the pore corresponds forms mounting groove 23, mounting groove 23 is followed 11 width direction of socket extends the setting mounting groove 23 both ends respectively through a location jack 24 and two pore ways perpendicular intercommunication, mould a bayonet lock 6 embedding in the mounting groove 23, mould 6 both ends of a bayonet lock reference column 61 insert corresponding location jack 24 and with location notch 52 cooperation, thereby can effectively strengthen winding displacement 5 and the reliability of being connected public end 2 with the location notch 52 cooperation of two sides on two winding displacement 5 respectively through the reference column 61 at the both ends of moulding on the bayonet lock 6.

In this embodiment, in order to quickly and reliably mount the plastic bayonet lock 6 on the connecting male end 2, a fastening structure is provided between the plastic bayonet lock 6 and the connecting male end 2, and the plastic bayonet lock 6 is fastened on the connecting male end 2 through the fastening structure; in actual operation, the plastic part bayonet 6 can be fixedly connected with the connecting male end 2 in other existing modes.

Furthermore, a specific fastening structure is provided in this embodiment: the both ends of moulding a bayonet lock 6 form buckle 62, be equipped with respectively on connecting public end 2 with two buckle 62 complex card holes 25, mould thereby mould bayonet lock 6 and connect two card holes 25 cooperations that correspond on public end 2 through the buckle 62 at both ends and fix reliably on connecting public end 2 promptly moulding a bayonet lock 6.

In this embodiment, referring to fig. 4, 9 and 10, the positioning insertion groove 22 has side insertion grooves 221 formed on opposite side surfaces thereof, and a blocking platform 222 is formed at a front end portion of the positioning insertion groove 22, two side edges of the golden finger end 51 on the flat cable 5 are inserted into the two side insertion grooves 221, the blocking platform 222 is disposed along a width direction of the insertion opening 11 and blocks a front portion of the golden finger end 51, the side insertion grooves 221 are disposed on two sides of the positioning insertion groove 22, the golden finger end 51 is inserted into the positioning insertion groove 22, two side edges of the golden finger end 51 are inserted into the side insertion grooves 221 correspondingly, so as to limit the two side edges of the golden finger end 51 up and down, prevent the golden finger end 51 from shaking up and down, enhance the connection tightness between the golden finger end 51 and the connection male end, and by disposing the blocking platform 222, when the plug portion 21 of the connection male end 2 is inserted into the insertion opening 11 of the connection female connection base 1, can better bear the hindrance that receives in the grafting process, avoid golden finger end 51 anterior border to expose and cause the scraping damage in the grafting process.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. A double-sided plug-in contact bus connector comprises a female connecting seat (1) and a male connecting end (2), which are in plug-in fit with each other;

the novel PIN socket is characterized in that a socket (11) is concavely arranged at one end in the female connecting seat (1), a row of PIN terminals (3) are respectively arranged on the upper side and the lower side of the socket (11) on the female connecting seat (1), and the two rows of PIN terminals (3) are provided with electric PINs (30) which extend out from the other end of the female connecting seat (1) and are used for connecting a circuit board (4);

connect public end (2) one end protrusion to be provided with and be suitable for to insert plug portion (21) of socket (11), be in on connecting public end (2) both sides respectively form a location caulking groove (22) about plug portion (21), two winding displacement (5) are fixed a position one on the other and are connected on connecting public end (2), and golden finger end (51) on two winding displacement (5) inlay respectively and locate in two location caulking grooves (22), connect public end (2) with when connecting female seat (1) formation cooperation, plug portion (21) are inserted and are located in socket (11), golden finger end (51) on two winding displacement (5) correspond the contact respectively with two rows of PIN terminals (3) and form the electricity and be connected.

2. A double-sided plug-contact bus bar connector according to claim 1, wherein terminal grooves (12) are formed in the upper and lower side walls of the socket (11) at intervals in the width direction of the socket (11), the PIN terminals (3) are fitted into the terminal grooves (12) in a one-to-one correspondence, and each PIN terminal (3) has an elastic contact portion (31) bent in the direction of the socket (11) to be in contact with the gold finger tip (51).

3. A double-sided plug-contact bus bar connector according to claim 1, wherein the PINs (30) of all the PIN terminals (3) are arranged at intervals in a straight line along the width direction of the socket (11), and the PINs (30) of the PIN terminals (3) in the upper row and the PINs (30) of the PIN terminals (3) in the lower row are alternately arranged.

4. A double-sided plug-in contact flat cable connector according to claim 1, wherein the male connecting end (2) is provided with a plastic bayonet lock (6), the plastic bayonet lock (6) is provided with a positioning column (61) extending into the male connecting end (2), and the flat cable (5) is provided with a positioning notch (52) in positioning fit with the positioning column (61).

5. The double-sided plug-in contact type flat cable connector according to claim 4, wherein a hole for a flat cable (5) to pass through is formed at the root of the positioning embedded groove (22) on the connecting male end (2), a mounting groove (23) is formed at a position corresponding to the hole outside one side of the connecting male end (2), the mounting groove (23) extends along the width direction of the socket (11), two ends of the mounting groove (23) are respectively vertically communicated with the two holes through a positioning insertion hole (24), the plastic clamping pin (6) is embedded into the mounting groove (23), and the positioning columns (61) at two ends of the plastic clamping pin (6) are inserted into the corresponding positioning insertion holes (24) and are matched with the positioning groove openings (52).

6. A double-sided plug contact terminal strip connector according to claim 4 or 5, characterised in that the plastic part bayonet (6) is snapped onto the connection male end (2) by means of a snap-fit construction.

7. A double-sided plug-in contact bus bar connector according to claim 6, wherein the plastic bayonet (6) has two ends forming a snap (62), and the male connecting end (2) is provided with two snap holes (25) respectively matching with the two snap (62).

8. The double-sided plug-in contact flat cable connector according to claim 6, wherein the positioning caulking groove (22) is formed with side slots (221) at opposite side surfaces thereof, and a blocking platform (222) is formed at a front end portion of the positioning caulking groove (22), two side edges of the gold finger end (51) on the flat cable (5) are respectively inserted into the side slots (221), and the blocking platform (222) is arranged along a width direction of the insertion opening (11) and blocks a front portion of the gold finger end (51).

9. A double-sided plug-in contact bus bar connector according to claim 4, wherein a hook (26) is formed on the male connecting end (2), a hanging table (13) matched with the hook (26) is formed on the female connecting seat (1), and the hook (26) and the hanging table (13) form a hook fit when the male connecting end (2) and the female connecting seat (1) are plugged in place.