CN219421161U - Novel FPC and connector - Google Patents

Abstract

The utility model discloses a novel FPC and a connector, and belongs to the technical field of FPC connectors. The novel FPC comprises an FPC body, wherein at least one end of the FPC body is provided with a reinforcing plate, the side edge of the reinforcing plate is provided with a first barb, and the FPC body in the inclined direction of the first barb is close; the first barb of the novel FPC can be directly inserted into the connector, has certain anti-falling and anti-pull-back characteristics, and saves the original cover between the traditional connection mode of the FPC and the connector, thereby saving the process and the material cost and ensuring that the connection mode is simpler and more convenient.

Description

Novel FPC and connector

Technical Field

The utility model relates to the technical field of FPC connectors, in particular to a novel FPC and a connector.

Background

A flexible printed circuit board, called FPC for short, is a flexible printed circuit board with high reliability and excellent properties, which is made of polyimide or polyester film as a base material. The wiring density is high, the weight is light, the thickness is thin, the flexibility is good.

The FPC connector is a flexible printed circuit connector (flexible circuit board/flat cable connector), is mainly used for various civil mobile communication devices and various personal terminal devices (such as mobile phones, PDA, GPS, MP/MP 4, digital cameras, handheld game machines, various CD (compact disc) players and the like), and is used for realizing signal connection or transmission between functional modules in the devices or with external devices, communication between the devices and a power supply or a signal source and the like, and finally realizing a power supply/signal connection scheme of the devices.

Through searching, chinese patent application number: CN202121402443.5, filing date: 2021-06-23 discloses an FPC connector, which comprises a plastic main body, a flip cover, terminals and a fixing piece, wherein the middle part of the plastic main body is provided with a flip cover groove, the rear side of the plastic main body is provided with a plurality of terminal holes communicated with the flip cover groove, and the plastic main body is also provided with a through hole; the side surface of the flip cover is provided with a second step part and a first lug; the terminal is an elastic piece and comprises an upper spring arm, a lower spring arm and a tail wing; the fixing piece comprises a fixing piece body, a supporting block, a second bump and a third bump. In the utility model, the connection between the FPC and the connector needs to be fixed by the cover, the operation is complicated, the contacts between the terminals in the connector and the FPC are fewer, and the stability is poor.

Disclosure of Invention

The utility model aims to solve the defects of complex operation and poor contact of contacts caused by the need of using a cover in the fixing mode of an FPC and a connector in the prior art, and provides a novel FPC and a connector.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a novel FPC, includes the FPC body, at least one end of FPC body is provided with the reinforcing plate, the side of reinforcing plate is provided with first barb, the inclination FPC body of first barb draws close.

As a preferred implementation mode of the novel FPC provided by the utility model, the end part of the FPC body is provided with the connecting side, both ends of the connecting side are provided with the limiting sides, the connecting side and the limiting sides form a connecting part concave towards the FPC body, and one end, close to the first barb, of the reinforcing plate is provided with a convex structure matched with the connecting part.

As a preferred embodiment of the novel FPC provided by the utility model, the first barbs are provided with two groups, and the two groups of first barbs are symmetrically arranged on two sides of the reinforcing plate.

The connector is used for installing a novel FPC, the end part of the FPC body is connected with a reinforcing plate, the side edge of the reinforcing plate is provided with a first barb, the connector comprises a base, a guide part is arranged at the joint of the base and the FPC body, and the first barb is matched with the guide part; and one end of the connecting terminal extends into the base, and the other end of the connecting terminal extends to the outside of the base, wherein a plurality of groups of valley-peak contacts are arranged on the connecting terminal and are electrically connected with the reinforcing plate.

In an embodiment of the connector provided by the utility model, the guiding portion includes a saw tooth portion, wherein a receiving groove with one open end is formed in the base, the saw tooth portion is disposed at two sides of the receiving groove, and the first barb is matched with the saw tooth portion for limiting the first barb to move reversely.

In an embodiment of the connector provided by the utility model, the guiding part further includes an elastic plate, at least one surface of the elastic plate is an arc surface, the elastic plate is fixedly connected in the accommodating groove, and the arc surface faces to the opening.

As a preferred embodiment of the connector provided by the utility model, a guide surface is arranged at the opening of the accommodating groove, and the guide surface is arranged below the elastic plate.

In a preferred embodiment of the connector provided by the utility model, the accommodating groove is provided with a limiting groove, a plurality of groups of limiting grooves are equidistantly arranged in the accommodating groove, and the connecting terminal is inserted into the limiting groove.

In a preferred embodiment of the connector provided by the utility model, the connecting terminal extends into the limiting groove and is provided with a second barb, and the second barb is used for limiting the translation of the connecting terminal along the limiting groove.

As a preferred embodiment of the connector provided by the utility model, the contacts are provided with at least three groups, and the contacts are all positioned in the accommodating groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the novel FPC, the longer connecting side is cut out at the end part of the FPC body and is a main connecting surface between the connecting side and the reinforcing plate, the limiting sides are cut out at the two ends of the connecting side, a certain included angle is formed between the limiting sides and the connecting sides, the included angle range is 120-145 degrees, so that the connecting sides and the limiting sides form a concave connecting part towards the direction of the FPC body, the connecting position of the reinforcing plate and the FPC body is also cut out into a convex structure matched with the connecting part, and the connecting mode not only can enable connection to be more accurate, but also can prevent mutual movement between the reinforcing plate and the FPC body, and further improves connection tightness;

2. according to the connector, the connecting cover is removed on the basis of an original connector, only the base of the connector is reserved, and the base of the connector is subjected to design innovation in a thinning mode, mainly, the guide part is arranged at the joint of the base and the FPC body, so that the reinforcing plate is convenient to insert, the operation convenience is improved, the first inverted hook can be inserted into the connector along the guide part, the guide part is two sawtooth-shaped sawtooth parts, the inclined surface of the sawtooth part can facilitate the insertion of the first inverted hook, and after the first inverted hook is inserted, the intersecting plane of the sawtooth part and the inclined surface can prop against the end part of the first inverted hook, so that the direction of the first inverted hook is prevented from being pulled out, and the clamping action of the cover is effectively omitted;

3. the connector is characterized in that a containing groove with one open end is formed in a base and is used for inserting a reinforcing plate, and saw tooth parts are arranged on two sides of the containing groove and are provided with at least two teeth similar to gears, and the teeth can be just matched with a first barb and are used for limiting the reverse movement of the first barb;

4. according to the connector, the circle of guide structure is formed at the opening of the accommodating groove, so that the accuracy of inserting the reinforcing plate is effectively reduced, the reinforcing plate can be effectively guided to be positioned in the center of the accommodating groove after being inserted, the connection integrity between the FPC body and the connector is ensured, and the stability of electric connection between the connecting terminal and the reinforcing plate is improved;

5. the connector is arranged at the opening through the arc-shaped surface, and can be used for further guiding the reinforcing plate to be inserted, and simultaneously testing the pressure of the top surface of the reinforcing plate after the reinforcing plate is completely inserted, so that the connection tightness between the reinforcing plate and the connecting terminal is enhanced.

The first barb of the novel FPC can be directly inserted into the connector, has certain anti-falling and anti-pull-back characteristics, and saves the original cover between the traditional connection mode of the FPC and the connector, thereby saving the process and the material cost and ensuring that the connection mode is simpler and more convenient.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an FPC body according to the present utility model;

FIG. 2 is a schematic view of a base according to the present utility model;

FIG. 3 is a schematic view of a base according to the present utility model;

fig. 4 is a schematic structural view of a connection terminal according to the present utility model;

FIG. 5 is a schematic diagram of an assembled structure of the present utility model;

fig. 6 is a schematic diagram of an assembly structure of the present utility model.

The labels in the figures are illustrated below:

1. an FPC body; 101. a connection side; 102. a limit side; 2. a reinforcing plate; 201. a first barb; 3. a base; 301. a receiving groove; 302. a limit groove; 303. a serration part; 304. a guide surface; 4. an elastic plate; 401. an arc surface; 5. a connection terminal; 501. a contact; 502. and a second barb.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

Example 1:

referring to fig. 1, a novel FPC includes an FPC body 1 made of polyimide or polyester film as a base material, a reinforcing plate 2 is connected to two ends or one end of the FPC body 1, the reinforcing plate 2 is connected by pressing or bonding, the reinforcing plate 2 is connected to a connector conveniently, two first barbs 201 made of the same material as the reinforcing plate 2 are integrally formed on the side edges of the reinforcing plate 2, the first barbs 201 are formed in two selected forms, the first barbs are in a direction inclined to the FPC body 1 by the first barbs 201, and have a certain deformation characteristic, when the connector is connected to the connector, the connector can be conveniently inserted, when the connector is pulled out, the connector can be further connected to the opposite direction by the inclined direction of the first barbs 201, a winding structure of an inner roll is formed at the tail end of the first barbs 201, the direction of the inner roll of the connector can extend to the inner side of the first barbs 201, and can be in a direction perpendicular to the side edges of the FPC body, so that the connector can be prevented from falling off when the connector is inserted into the connector.

Therefore, we can find that the first barb 201 can be directly inserted into the connector, has certain anti-falling and anti-pull-back characteristics, and saves the original cover between the traditional connection mode of the FPC and the connector, thereby saving the process and material cost, and the connection mode is simpler and more convenient.

Example 2:

referring to fig. 1, on the basis of embodiment 1, in order to ensure connection tightness and firmness between the FPC body 1 and the reinforcing plate 2, a longer connection side 101 is cut out at the end of the FPC body 1, which is a main connection surface with the reinforcing plate 2, and both ends of the connection side 101 are cut out with a limiting side 102, meanwhile, a certain included angle is formed between the limiting side 102 and the connection side 101, and the included angle ranges from 120 ° to 145 °, so that the connection side 101 and the limiting side 102 form an inward concave connection part towards the FPC body 1, and the connection position of the reinforcing plate 2 and the FPC body 1 is cut out with a convex structure matched with the connection part.

Example 3:

referring to fig. 1-6, in order to ensure the stability and high efficiency and convenience of the connection between the FPC and the connector, the novel FPC designed in embodiment 1 is designed, the connector is designed to be matched with the FPC, according to the reinforcing plate 2 connected with the end of the FPC body 1 and the first barb 201 arranged on the side of the reinforcing plate 2, the connection cover is removed on the basis of the original connector, only the base 3 of the connector is reserved, and the design innovation of thinning the base 3 of the connector is performed, mainly, a guide part is arranged at the connection part of the base 3 and the FPC body 1, so that the reinforcing plate 2 is convenient to insert, the operation convenience is improved, the first barb 201 can be inserted into the connector along the guide part, the inclined surface of the sawtooth part 303 can facilitate the insertion of the first barb 201, and after the first barb 201 is inserted, the plane intersecting with the inclined surface can first barb 201 can prevent the end of the sawtooth part from being reversed, thereby preventing the effective clamping action of the cover from being pulled out; in addition, there is a connection terminal 5, one end of which extends into the base 3 and can be electrically connected with the reinforcing plate 2, and the other end extends to the outside of the base 3 and can be plugged with external equipment, and the connection terminal 5 is provided with a plurality of groups of valley-peak contacts 501 at the part of the base 3, and the valley-peak contacts 501 are contacted with the plane of the reinforcing plate 2, so that the stability of connection can be ensured.

Example 4:

referring to fig. 4, in the guiding saw tooth portion 303 mentioned in embodiment 3, we have made a detailed design to better meet the use requirement, a receiving groove 301 with one open end is opened in the base 3 for inserting the reinforcing plate 2, the saw tooth portion 303 is disposed at two sides of the receiving groove 301, and has at least two teeth similar to gears, just capable of being matched with the first barb 201, for limiting the reverse movement of the first barb 201.

In addition, the guiding portion further comprises an elastic plate 4, at least one surface of the elastic plate 4 is an arc-shaped surface 401, the elastic plate 4 is fixedly connected in the accommodating groove 301, the arc-shaped surface 401 faces towards the opening, and when the reinforcing plate 2 is inserted, the top surface of the reinforcing plate 2 can be tested for pressure after the reinforcing plate 2 is completely inserted, so that connection tightness between the reinforcing plate 2 and the connecting terminal 5 is enhanced.

In addition, a 30 ° or 45 ° inclined guide surface 304 is cut at the opening of the accommodating groove 301, the guide surface 304 is disposed below the elastic plate 4, and the guide surface 304 is also used for guiding the insertion of the reinforcing plate 2, so that a circle of guide structure is formed at the opening of the accommodating groove 301, thereby effectively reducing the precision of the insertion of the reinforcing plate 2, and the reinforcing plate 2 can be effectively guided to be located at the central position of the accommodating groove 301 after the insertion, thereby not only ensuring the connection integrity between the FPC body 1 and the connector, but also improving the stability of the electrical connection between the connection terminal 5 and the reinforcing plate 2.

For the installation of the connecting terminal 5, we have opened the spacing groove 302 in the accommodation groove 301, and the multiunit spacing groove 302 equidistance is arranged in the accommodation groove 301, and the connecting terminal 5 inserts in the spacing groove 302.

And, the connecting terminal 5 extends into the limiting groove 302 and is provided with a second barb 502, and the second barb 502 is used for limiting the translation of the connecting terminal 5 along the limiting groove 302.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (10)

1. The utility model provides a novel FPC, includes FPC body (1), its characterized in that, at least one end of FPC body (1) is provided with reinforcing plate (2), the side of reinforcing plate (2) is provided with first barb (201), the inclination FPC body (1) of first barb (201) draw close.

2. The novel FPC according to claim 1, wherein the end portion of the FPC body (1) is provided with a connecting side (101), both ends of the connecting side (101) are provided with limiting sides (102), the connecting side (101) and the limiting sides (102) form a connecting portion which is concave towards the FPC body (1), and one end, close to the first barb (201), of the reinforcing plate (2) is provided with a convex structure matched with the connecting portion.

3. The novel FPC according to claim 2, wherein the first barbs (201) are provided in two groups, and the two groups of first barbs (201) are symmetrically disposed at both sides of the reinforcing plate (2).

4. A connector for mounting the novel FPC of any one of claims 1 to 3, an end portion of the FPC body (1) being connected with a reinforcing plate (2), a side edge of the reinforcing plate (2) being provided with a first barb (201), characterized by comprising

The FPC comprises a base (3), wherein a guide part is arranged at the joint of the base (3) and the FPC body (1), and the first barb (201) is matched with the guide part;

a connecting terminal (5) with one end extending into the base (3) and the other end extending to the outside of the base (3),

the connecting terminal (5) is provided with a plurality of groups of valley-peak contacts (501), and the valley-peak contacts (501) are electrically connected with the reinforcing plate (2).

5. The connector of claim 4, wherein the guide portion comprises a serration (303),

wherein, open accommodation groove (301) of one end has been seted up in base (3), sawtooth portion (303) set up the both sides in accommodation groove (301), first barb (201) cooperate with sawtooth portion (303) for restrict first barb (201) reverse movement.

6. The connector according to claim 5, wherein the guiding portion further comprises an elastic plate (4), at least one surface of the elastic plate (4) is an arc-shaped surface (401), and the elastic plate (4) is fixedly connected in the accommodating groove (301), and the arc-shaped surface (401) faces towards the opening.

7. Connector according to claim 6, characterized in that the receiving groove (301) is provided at its opening with a guide surface (304), which guide surface (304) is arranged below the spring plate (4).

8. The connector according to any one of claims 5 to 7, wherein the accommodating groove (301) is provided therein with a plurality of sets of limiting grooves (302) arranged equidistantly in the accommodating groove (301), and the connection terminal (5) is inserted into the limiting grooves (302).

9. The connector according to claim 8, wherein the connection terminal (5) is provided with a second barb (502) extending into the limit groove (302), the second barb (502) being adapted to limit translation of the connection terminal (5) along the limit groove (302).

10. The connector according to claim 4, wherein the contacts (501) are provided with at least three sets, and the contacts (501) are each located in the receiving groove (301).