CN220155888U

CN220155888U - Car rule level FPC connector

Info

Publication number: CN220155888U
Application number: CN202323028334.3U
Authority: CN
Inventors: 朱锋; 陈明林; 邓成栋
Original assignee: Hong Ru Connectors Co ltd
Current assignee: Guangdong Hongru Technology Co ltd
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2023-12-08
Anticipated expiration: 2033-11-09

Abstract

The utility model discloses a vehicle-gauge FPC connector, which comprises a needle seat, a wire end main body, a female terminal, an FPC, a PIN needle, a secondary lock catch and a secondary lock catch, wherein a slot is arranged on the wire end main body, and each terminal Kong Jieduan is transversely arranged through the slot; the secondary lock catch is provided with a stop catch, and the secondary lock catch is inserted into the terminal main body to enable each stop catch to be clamped in the terminal hole to prop against the female terminal; the side of the wire end main body is provided with a spring arm, the outer side of the spring arm is provided with a buckle, the wire end main body at the inner side of the spring arm is provided with an extrusion hole, the needle seat is provided with a clamping hole, and the spring arm is extruded outwards by inserting the secondary buckle into the extrusion hole to clamp the buckle into the clamping hole for secondary locking of the wire end main body. Therefore, the weight of the equipment can be reduced, and the terminal, the wire end main body and the needle seat are respectively locked secondarily by adopting the secondary lock catch and the secondary lock catch, so that the terminal and the wire end main body are not easy to loose in all directions, the reliability is higher, and the device is particularly suitable for application scenes with larger vibration such as automobiles.

Description

Car rule level FPC connector

Technical Field

The present utility model relates to the field of electrical connection devices, and in particular, to a connector for electrically connecting electronic devices.

Background

Many electronic devices are plugged through connectors to achieve the purpose of power on or signal transmission, and are commonly used for connectors on transportation means such as automobiles, ships, unmanned aerial vehicles and the like, terminals and wire rods are commonly riveted or welded through tin melting so that the terminals and wire rod core wires are connected together, and then the terminals and the wire rod core wires are inserted into plastic for matching use. Common wires in the market are coaxial wires, stranded wires and multi-core wires, the wire processing procedure is complex, and the total weight of the wires is heavier after the wires are connected with a connector, so that the total weight of the whole car, the whole ship and the whole machine cannot be reduced, and the effect of reducing the energy consumption cannot be achieved. Therefore, although the connector which adopts the FPC to replace the wire to carry out the circuit connection is invented, the butting structure is simpler and more conventional, the very firm combination is not easy to form, the problem is not great when the connector is used on equipment with small vibration at ordinary times, but the connector is easy to loose when the connector is used on equipment with large vibration and frequent movement like an automobile. In the past, although the locking and fixing of the wire end main body and the needle seat are realized by means of the buckle structure, once the buckle is clamped, the wire end main body and the needle seat are difficult to disassemble.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problem to be solved by the utility model is to provide the vehicle-standard FPC connector which has the advantages of simple structure, more reasonable design, contribution to weight reduction, difficult loosening, better stability and higher reliability.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a car rule level FPC connector, includes needle file, line end main part, female terminal, FPC and PIN needle, and female terminal inserts in the terminal hole from the terminal jack of line end main part, and FPC is connected with female terminal, and the PIN needle is installed in the needle file, makes female terminal and PIN needle realize the electricity through line end main part and needle file grafting and is connected its characterized in that: a slot is arranged on the wire end main body, and each terminal Kong Jieduan is transversely connected with the slot; the secondary lock catch is provided with stop buckles corresponding to the terminal holes, and the secondary lock catch is transversely inserted into the terminal main body from the side surface, so that the stop buckles are respectively clamped in the corresponding terminal holes to support the female terminals; the side of line end main part is provided with the bullet arm, and the lateral surface of bullet arm is provided with the buckle, has the extrusion hole in the inboard line end main part of bullet arm, and the position that corresponds the buckle on the needle file is provided with the card hole, inserts the extrusion hole through the secondary buckle and makes the bullet arm outwards extrudeed the buckle card and go into in the card hole to realize the secondary locking of line end main part and needle file.

Further, be provided with a plurality of puncture feet on female terminal, puncture FPC's insulating layer through the puncture foot and realize female terminal and FPC riveting fixed and electric connection.

Further, grooves are respectively formed in the upper surface and the lower surface of the wire end main body, and the slots are close to the front edges of the grooves; the secondary lock catch comprises an upper plugboard and a lower plugboard which are matched with the groove, the stop catch is positioned on the inner surface of the plugboard, the plugboard is tightly inserted into the groove when the secondary lock catch is inserted from one side, and the stop catch is inserted into the slot to stop the female terminal.

Further, a positioning strip is arranged in the groove along the insertion direction of the secondary lock catch, and a positioning buckle is arranged at the side edge of the positioning strip; the side edge of the plugboard is provided with a buckling part matched with the positioning buckle, and the plugboard is buckled with the positioning buckle through the buckling part after being inserted into the groove so as to realize the locking of the secondary lock catch on the wire end main body; the edge of the groove is provided with a limiting part protruding towards the inside of the groove, the edge of the plugboard is provided with a limiting groove corresponding to the limiting part, and the limiting part is embedded into the limiting groove after the plugboard is inserted into the groove.

Further, a strip-shaped hole is formed in the plugboard along the position, close to the edge, of the side, with the buckling part, of the plugboard, the edge, where the buckling part is located, of the plugboard is elastic through the strip-shaped hole, and the secondary lock catch can be installed or removed through sliding.

Further, the lateral surface of secondary buckle has the extrusion portion that is the slope form, and the secondary buckle inserts extrusion hole after with the outside extrusion of bullet arm through the extrusion portion, makes buckle and needle file card tighter through the bullet arm.

Further, a lock hole is formed in the position, aligned to the extrusion hole, of the wire end main body, two pins of the secondary buckle are provided with hooks at the front ends, the hooks are clamped into the lock hole, the secondary buckle is kept in an inserted locking state in the wire end main body, and the secondary buckle can be pulled out after being pressed down. After the secondary buckle is taken out, the wire end main body can be detached from the needle seat by pressing the buckle and the spring arm.

Further, a convex boss is arranged in the middle of the female terminal, and after the female terminal is completely inserted into the terminal hole, the stop buckle is enabled to abut against the boss of the corresponding female terminal through the secondary lock buckle, so that the female terminal is prevented from retreating.

Further, a positioning groove is formed in the side face of the wire end main body, a positioning block matched with the positioning groove is arranged on the inner wall of one side of the needle seat, a limiting strip is arranged on the inner wall of the other side of the needle seat, and the wire end main body is inserted into the needle seat and then is embedded into the positioning groove and the limiting strip to clamp the edge of the other side of the wire end main body, so that the wire end main body is positioned in the needle seat, and a fool-proof effect in assembly is achieved.

Preferably, the PIN needles comprise a long PIN needle and a short PIN needle, the length of the long PIN needle is larger than that of the short PIN needle, and the long PIN needle and the short PIN needle are respectively arranged in an upper row and a lower row and fixed in the needle seat so as to be capable of accommodating more PIN needles.

The utility model can reduce the weight of the equipment by adopting a thinner and lighter FPC flexible circuit board to replace wires as the transfer circuit to perform bridging function. The terminal, the wire end main body and the needle seat are respectively locked secondarily by adopting the secondary lock catch and the secondary lock catch, so that the terminal and the wire end main body are not easy to loose in all directions, the reliability is higher, and the device is particularly suitable for application scenes with larger vibration such as automobiles.

Drawings

FIG. 1 is a diagram of the overall structure of the present utility model;

fig. 2 is a fitting structure diagram of the needle mount and the wire end main body of the present utility model;

FIG. 3 is an exploded view of the present utility model;

fig. 4 is an exploded view of another angle of the present utility model.

In the figure, 1 is a needle seat, 11 is a positioning block, 12 is a limit bar, 13 is a clamping hole, 2 is a wire end main body, 21 is a terminal insertion hole, 211 is a terminal hole, 22 is a spring arm, 221 is a buckle, 23 is a slot, 24 is a groove, 241 is a limiting part, 25 is a positioning bar, 251 is a positioning buckle, 26 is an extrusion hole, 27 is a lock hole, 28 is a positioning groove, 3 is a female terminal, 31 is a boss, 4 is an FPC,5 is a secondary buckle, 51 is a plugboard, 52 is a stop buckle, 53 is a buckle part, 54 is a bar-shaped hole, 55 is a limiting groove, 6 is a secondary buckle, 61 is a clamping hook, 62 is an extrusion part, 71 is a long PIN needle, and 72 is a short PIN needle.

Detailed Description

In this embodiment, referring to fig. 1-4, the vehicle-gauge FPC connector includes a hub 1, a wire end body 2, a female terminal 3, an FPC 4, and a PIN, wherein the female terminal 3 is inserted into a terminal hole 211 from a terminal insertion hole 21 of the wire end body 2, the FPC 4 is connected with the female terminal 3, the PIN is installed in the hub 1, and the female terminal 3 is electrically connected with the PIN by inserting the wire end body 2 into the hub 1; a slot 23 is provided on the wire end body 2, and each terminal hole 211 is cut off in the lateral direction by the slot 23; the secondary lock catch 5 is provided with stop buckles 52 corresponding to the terminal holes 211, and the secondary lock catch 5 is laterally inserted into the terminal main body 2 from the side surface, so that the stop buckles 52 are respectively clamped in the corresponding terminal holes 211 to support the female terminals 3; the side of the wire end main body 2 is provided with a spring arm 22, the outer side surface of the spring arm 22 is provided with a buckle 221, the wire end main body 2 at the inner side of the spring arm 22 is provided with an extrusion hole 26, the position of the needle seat 1 corresponding to the buckle 221 is provided with a clamping hole 13, and the spring arm 22 is extruded outwards through inserting the secondary buckle 6 into the extrusion hole 26 to enable the buckle 221 to be clamped in the clamping hole 13, so that the secondary locking of the wire end main body 2 and the needle seat 1 is realized.

Be provided with a plurality of puncture feet on female terminal 3, puncture the insulating layer of FPC 4 through the puncture foot and realize female terminal 3 and FPC 4 riveting fixed and electric connection.

Grooves 24 are respectively formed on the upper surface and the lower surface of the wire end main body 2, and the slots 23 are close to the front edges of the grooves 24; the secondary lock catch 5 comprises an upper insert plate 51 and a lower insert plate 51 which are matched with the groove 24, the stop buckle 52 is positioned on the inner surface of the insert plate 51, when the secondary lock catch 5 is inserted from one side, the insert plate 51 is tightly inserted into the groove 24, and the stop buckle 52 is inserted into the slot 23 to stop the female terminal 3.

A positioning strip 25 is arranged in the groove 24 along the insertion direction of the secondary lock catch 5, and a positioning buckle 251 is arranged at the side edge of the positioning strip 25; the side edge of the plugboard 51 is provided with a buckling part 53 matched with the locating buckle 251, and the plugboard 51 is buckled with the locating buckle 251 through the buckling part 53 after being inserted into the groove 24, so that the secondary lock catch 5 is locked on the wire end main body 2; the edge of the groove 24 is provided with a limiting part 241 protruding towards the inside of the groove 24, the edge of the plugboard 51 is provided with a limiting groove 55 corresponding to the limiting part 241, and the limiting part 241 is embedded into the limiting groove 55 after the plugboard 51 is inserted into the groove 24.

A strip-shaped hole 54 is provided in the insert plate 51 along a position near the edge of the side thereof having the buckle portion 53, and the edge of the insert plate 51 where the buckle portion 53 is located is made elastic by the strip-shaped hole 54, so that the secondary lock catch 5 can be fitted into or removed from the insert plate by sliding.

The outside face of secondary buckle 6 has the extrusion portion 62 that is the slope form, and the secondary buckle 6 inserts extrusion hole 26 after with the outside extrusion of bullet arm 22 through extrusion portion 62, makes buckle 221 and needle file 1 card tighter through bullet arm 22, improves the steadiness of combining.

A lock hole 27 is arranged on the wire end main body 2 at a position aligned with the extrusion hole 26, a clamping hook 61 is arranged at the front ends of two pins of the secondary buckle 6, the secondary buckle 6 is clamped into the lock hole 27 through the clamping hook 61, so that the secondary buckle 6 is kept in an inserted and locked state in the wire end main body 2, and the secondary buckle 6 can be pulled out after the clamping hook 61 is pressed down. After the secondary buckle 6 is taken out, the wire end main body 2 can be detached from the needle seat 1 by pressing the buckle 221 and the spring arm 22.

A raised boss 31 is provided at the middle position of the female terminal 3, and after the female terminal 3 is completely inserted into the terminal hole 211, the secondary lock catch 5 is inserted to make the stop catch 52 abut against the boss 31 of the corresponding female terminal 3, so as to prevent the female terminal 3 from retreating.

The side of the wire end main body 2 is provided with a positioning groove 28, the inner wall of one side of the needle seat 1 is provided with a positioning block 11 matched with the positioning groove 28, the inner wall of the other side of the needle seat 1 is provided with a limiting strip 12, and the wire end main body 2 is inserted into the needle seat 1 and then is embedded into the positioning groove 28 and the limiting strip 12 to clamp the edge of the other side of the wire end main body 2, so that the wire end main body 2 is positioned in the needle seat 1 and a foolproof effect during assembly is realized.

The PIN needles include a long PIN needle 71 and a short PIN needle 72, the length of the long PIN needle 71 is greater than that of the short PIN needle 72, the shapes of the long PIN needle 71 and the short PIN needle 72 are basically the same, and the long PIN needle 71 and the short PIN needle 72 are respectively arranged in an upper row and a lower row and fixed in the needle seat 1, so that a larger number of PIN needles can be accommodated.

The foregoing detailed description of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model, i.e., the utility model is not limited to the details shown and described.

Claims

1. The utility model provides a car rule level FPC connector, includes needle file, line end main part, female terminal, FPC and PIN needle, and female terminal inserts in the terminal hole from the terminal jack of line end main part, and FPC is connected with female terminal, and the PIN needle is installed in the needle file, makes female terminal and PIN needle realize the electricity through line end main part and needle file grafting and is connected its characterized in that: a slot is arranged on the wire end main body, and each terminal Kong Jieduan is transversely connected with the slot; the secondary lock catch is provided with stop buckles corresponding to the terminal holes, and the secondary lock catch is transversely inserted into the terminal main body from the side surface, so that the stop buckles are respectively clamped in the corresponding terminal holes to support the female terminals; the side of the wire end main body is provided with a spring arm, the outer side face of the spring arm is provided with a buckle, an extrusion hole is formed in the wire end main body at the inner side of the spring arm, a clamping hole is formed in the position, corresponding to the buckle, on the needle seat, and the spring arm is extruded outwards through inserting the secondary buckle into the extrusion hole so that the buckle is clamped in the clamping hole.

2. The vehicle-standard FPC connector of claim 1, wherein: a plurality of puncture feet are arranged on the female terminal, and the female terminal and the FPC are riveted and fixed and electrically connected through the puncture feet penetrating through the insulating layer of the FPC.

3. The vehicle-standard FPC connector of claim 1, wherein: grooves are respectively formed in the upper surface and the lower surface of the wire end main body, and the slots are close to the front edges of the grooves; the secondary lock catch comprises an upper plugboard and a lower plugboard which are matched with the groove, the stop catch is positioned on the inner surface of the plugboard, the plugboard is tightly inserted into the groove when the secondary lock catch is inserted from one side, and the stop catch is inserted into the slot to stop the female terminal.

4. The vehicle-mounted FPC connector of claim 3, wherein: a positioning strip is arranged in the groove along the insertion direction of the secondary lock catch, and a positioning buckle is arranged at the side edge of the positioning strip; the side edge of the plugboard is provided with a buckling part matched with the positioning buckle, and the plugboard is buckled with the positioning buckle through the buckling part after being inserted into the groove; the edge of the groove is provided with a limiting part protruding towards the inside of the groove, the edge of the plugboard is provided with a limiting groove corresponding to the limiting part, and the limiting part is embedded into the limiting groove after the plugboard is inserted into the groove.

5. The vehicle-mounted FPC connector of claim 4, wherein: a strip-shaped hole is formed in the plugboard along the position close to the edge of the side, provided with the buckling part, of the plugboard, and the edge of the plugboard, where the buckling part is located, is elastic through the strip-shaped hole.

6. The vehicle-standard FPC connector of claim 1, wherein: the outer side face of the secondary buckle is provided with an extrusion part in a slope shape, and the elastic arm is extruded outwards through the extrusion part after the secondary buckle is inserted into the extrusion hole.

7. The vehicle-standard FPC connector of claim 1, wherein: the position of the wire end main body, which is aligned to the extrusion hole, is provided with a lock hole, the front ends of the two pins of the secondary buckle are provided with hooks, and the secondary buckle is clamped into the lock hole through the hooks so as to keep the insertion locking state in the wire end main body.

8. The vehicle-standard FPC connector of claim 1, wherein: the middle part position at female terminal is provided with bellied boss, and after female terminal inserted the terminal hole completely, makes the backstop detain the boss that corresponds female terminal through inserting secondary hasp.

9. The vehicle-standard FPC connector of claim 1, wherein: the side of the wire end main body is provided with a positioning groove, a positioning block matched with the positioning groove is arranged on the inner wall of one side of the needle seat, a limiting strip is arranged on the inner wall of the other side of the needle seat, and the wire end main body is inserted into the needle seat and then is embedded into the positioning groove and the limiting strip to clamp the edge of the other side of the wire end main body.

10. The vehicle-standard FPC connector of claim 1, wherein: the PIN needle comprises a long PIN needle and a short PIN needle, the length of the long PIN needle is larger than that of the short PIN needle, and the long PIN needle and the short PIN needle are respectively arranged into an upper row and a lower row and fixed in the needle seat.