CN216529647U

CN216529647U - FFC connector

Info

Publication number: CN216529647U
Application number: CN202123064698.8U
Authority: CN
Inventors: 陈健宝
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-05-13
Anticipated expiration: 2031-12-08
Also published as: WO2023103498A1

Abstract

The utility model relates to the technical field of connectors, in particular to an FFC connector which comprises a shell, an upper cover and a locking assembly. Wherein, seted up the grafting recess on the casing, the connector can be followed the first direction and inserted the grafting recess. Run through along the second direction on the wall of grafting recess and be provided with the trompil, the upper cover includes first barb, and the tip of first barb is the spacing portion of chucking, and the upper cover is connected when the casing, and first barb inserts the setting of the spacing portion of trompil and chucking in the grafting recess to make the spacing portion butt of chucking in the connector, locking Assembly can lock casing and upper cover. The knowny is that, relative movement between casing and the upper cover can be prevented in locking Assembly's setting, can guarantee that the spacing portion of chucking of first barb is to the chucking of connector, can avoid the connector not hard up, and the resistance that the grafting recess was extracted is followed to the increase connector, guarantees the connection status of FFC connector and connector, guarantees that the signal is stable.

Description

FFC connector

Technical Field

The utility model relates to the technical field of connectors, in particular to an FFC connector.

Background

FFC (Flexible Flat Cable) is one kind with insulating material and extremely thin tin-plated Flat copper line, through the novel data Cable that high-tech automation equipment production line pressfitting formed, has advantages such as soft, the bending is folding at will, thickness is thin, small, connect simple, dismantle convenient, the electromagnetic shield of easy solution. The FFC connector is a flexible flat cable connector, can realize the electrical connection with a connector, and is widely applied in the electronic field. However, the clamping force of the conventional FFC connector on the connector is not enough, and the connector is easy to loosen or even fall off under the action of external force, so that the signal is unstable and the use is influenced.

Therefore, there is a need for an FFC connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an FFC connector which can prevent a connector from loosening and falling off and ensure signal stability.

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

an FFC connector comprising:

the connector comprises a shell, wherein an inserting groove is formed in the shell, the connector can be inserted into the inserting groove along a first direction, and a hole is formed in the wall surface of the inserting groove along a second direction;

the upper cover comprises a first barb, the end part of the first barb is a clamping limiting part, the upper cover is connected with the shell, the first barb is inserted into the opening, the clamping limiting part is arranged in the splicing groove, and the clamping limiting part is abutted to the connector;

and the locking assembly locks the shell and the upper cover.

As a preferable scheme of the FFC connector, the locking assembly includes a locking piece, the locking piece includes a first connecting portion and a first abutting portion, the first connecting portion is connected to the housing, and the first abutting portion abuts against the upper cover to prevent the clamping limiting portion from moving relative to the housing.

As a preferred scheme of an FFC connector, the locking piece includes first board and the second board that is connected, be angle setting between first board and the second board, first board includes first connecting portion, the second board includes first butt portion, be provided with first spacing recess on the casing, first board is followed the length direction part of first board is inserted and is established in first spacing recess, the lateral wall of first spacing recess can restrict first board rotates to prevent the contained angle between first board and the second board changes.

As a preferable mode of the FFC connector, the upper cover includes a second abutting portion, the first abutting portion abuts against the second abutting portion, and an acute angle is formed between the second plate and a plane where the second abutting portion is located.

As a preferable embodiment of the FFC connector, the locking assembly further includes a limiting member, the limiting member includes a second connecting portion, the second connecting portion is connected to the housing, and the limiting member is configured to limit a moving range of the first abutting portion.

In a preferred aspect of the FFC connector, the stopper further includes a first stopper portion for restricting a movement range of the first abutting portion.

In a preferred embodiment of the FFC connector, the second connecting portion is disposed in a second stopper groove of the housing, and a wall surface of the second stopper groove can prevent the first stopper portion from moving in the second direction, so that the first stopper portion can restrict a moving range of the first abutting portion, and the second direction is perpendicular to the first direction.

As a preferable aspect of the FFC connector, the locking member further includes a third abutting portion, the position limiting member includes a fourth abutting portion, and the third abutting portion abuts against the fourth abutting portion.

As a preferable mode of the FFC connector, the chucking restraint portion extends toward a third direction, and an acute angle is formed between the third direction and the first direction.

As a preferred scheme of the FFC connector, the FFC connector further includes a plurality of signal terminals, a plurality of terminal connection grooves are provided on the side wall of the insertion groove, and the signal terminals are disposed in the terminal connection grooves in a one-to-one correspondence.

As a preferred scheme of the FFC connector, the FFC connector further includes a plurality of ground terminals, the housing is provided with a plurality of ground terminal grooves, each of the ground terminal grooves is communicated with the insertion groove, and the ground terminals are correspondingly arranged in the ground terminal grooves one to one, so that the end of each of the ground terminals is arranged in the insertion groove.

The utility model has the beneficial effects that:

the utility model provides an FFC connector which comprises a shell, an upper cover and a locking assembly. Wherein, seted up the grafting recess on the casing, the connector can be followed first direction and inserted the grafting recess. Run through along the second direction on the wall of grafting recess and be provided with the trompil, the upper cover includes first barb, and the tip of first barb is the spacing portion of chucking, and when the upper cover was connected in the casing, first barb inserted the spacing portion setting of trompil and chucking in the grafting recess to make the spacing portion butt of chucking in the connector, locking Assembly can lock casing and upper cover. The knowny is that, relative movement between casing and the upper cover can be prevented in locking Assembly's setting, can guarantee that the spacing portion of chucking of first barb is to the chucking of connector, can avoid the connector not hard up, and the resistance that the grafting recess was extracted is followed to the increase connector, guarantees the connection status of FFC connector and connector, guarantees that the signal is stable.

Drawings

Fig. 1 is a schematic structural diagram of an FFC connector according to an embodiment of the present invention;

figure 2 is a cross-sectional view of an FFC connector taken along a first cross-section provided by an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an FFC connector taken along a second cross-section provided by an embodiment of the present invention;

FIG. 4 is a cross-sectional view of an FFC connector taken along a third cross-section provided by an embodiment of the present invention;

figure 5 is a cross-sectional view of an FFC connector taken along a fourth cross-section provided by an embodiment of the present invention.

In the figure:

1. a housing; 11. inserting grooves; 12. opening a hole; 13. a first limit groove; 14. a second limit groove; 15. a terminal connecting groove; 16. a ground terminal groove;

2. an upper cover; 21. a first barb; 211. a clamping limiting part; 22. a second abutting portion;

3. a fastener; 31. a first plate; 311. a first connection portion; 32. a second plate; 321. a first abutting portion; 33. a third abutting portion;

4. a limiting member; 41. a second connecting portion; 42. a first limiting part; 43. a fourth abutting portion;

5. a signal terminal;

6. and a ground terminal.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The FFC connector is a flexible flat cable connector, can realize the electrical connection with a connector, and is widely applied in the electronic field. However, the clamping force of the conventional FFC connector on the connector is not enough, and the connector is easy to loosen or even fall off under the action of external force, so that the signal is unstable and the use is influenced. Accordingly, the present embodiment provides an FFC connector to solve the above-described problems.

As shown in fig. 1 to 5, the FFC connector includes a housing 1, an upper cover 2, a locking assembly, a signal terminal 5, and a ground terminal 6. The first direction discussed below is the X-axis direction in fig. 2, and the second direction is the Y-axis direction in fig. 2.

The casing 1 is provided with an inserting groove 11, and the connector can be inserted into the inserting groove 11 along a first direction. Run through along the second direction on the wall of grafting recess 11 and be provided with trompil 12, upper cover 2 includes first barb 21, and the tip of first barb 21 is the spacing portion 211 of chucking, and when upper cover 2 was connected in casing 1, first barb 21 inserted trompil 12 and the spacing portion 211 of chucking and sets up in grafting recess 11 to make the spacing portion 211 butt of chucking in the connector. Locking Assembly is used for locking casing and upper cover, and knowably be, locking Assembly's setting can prevent relative movement between casing and the upper cover, can guarantee that the spacing portion of chucking of first barb is to the chucking of connector, can avoid the connector not hard up, and the resistance that the grafting recess was extracted is followed to the increase connector, guarantees the connected state of FFC connector and connector, guarantees that the signal is stable.

Optionally, two ends of the housing 1 are provided with end grooves, and two ends of the upper cover 2 are respectively rotatably inserted into the end grooves. The clamping limiting part 211 can be separated from the connector by rotating the upper cover 2, and the connector can be taken out.

Preferably, the chucking limiting part 211 extends toward a third direction, which is acute to the first direction. That is, when the first direction is a horizontal direction and the second direction is a vertical downward direction, the third direction is an oblique direction and can be divided into the first direction and the second direction, that is, the X-axis direction and the Y-axis direction. As shown in fig. 3, when the connector moves toward the direction away from the FFC connector, the connector will receive the resistance of the clamping stopper 211, and during the movement of the connector, the connector will drive the first barb 21 to move, so that the upper cover 2 rotates. Specifically, taking the view shown in fig. 3 as an example, the upper cover 2 will rotate in a clockwise direction, i.e. the right side of the two sides of the upper cover 2 parallel to the second direction is stationary, and the left side moves upward in a clockwise direction.

In order to prevent the upper cover 2 from rotating, the locking assembly includes a locking element 3, the locking element 3 includes a first connecting portion 311 and a first abutting portion 321, the first connecting portion 311 is connected to the housing 1, and the first abutting portion 321 abuts against the upper cover 2 to prevent the clamping limiting portion 211 from moving relative to the housing 1.

Preferably, the locking element 3 comprises a first plate 31 and a second plate 32 connected to each other, the first plate 31 and the second plate 32 are disposed at an angle, the first plate 31 comprises a first connecting portion 311, the second plate 32 comprises a first abutting portion 321, and the joint of the first plate 31 and the second plate 32 is a third abutting portion 33. When the upper cover 2 rotates, the second plate 32 is driven to move, so that the angle between the first plate 31 and the second plate 32 changes. In order to prevent the angle from changing, the housing 1 is provided with a first limiting groove 13, the first plate 31 is partially inserted into the first limiting groove 13 along the length direction, and the side wall of the first limiting groove 13 can limit the first plate 31 to rotate so as to prevent the included angle between the first plate 31 and the second plate 32 from changing.

Optionally, the first connecting portion 311 of the first plate 31 is fixedly connected to the inner wall of the first limiting groove 13, so as to prevent the locking member 3 from moving relative to the housing 1, and ensure that the locking function of the locking member 3 is normal.

Preferably, the upper cover 2 includes a second abutting portion 22, the first abutting portion 321 abuts against the second abutting portion 22, and an acute angle is formed between the second plate 32 and a plane where the second abutting portion 22 is located. When the upper cover 2 is rotated, the force of the upper cover 2 acting on the first abutting portion 321 does not move along the length direction of the second plate 32, i.e., the locking piece 3 does not fall off, and only the angle between the first plate 31 and the second plate 32 is changed. Therefore, when the connector needs to be taken out, the upper cover 2 can be turned over manually, and the locking element 3 can automatically restore the angle between the first plate 31 and the second plate 32 under the action of the elastic force after the hand is released.

In order to further limit the variation range of the angle between the first plate 31 and the second plate 32 of the locking member 3 to limit the range of the turning angle of the upper cover 2, it is preferable that the locking assembly further includes a limiting member 4. The stopper 4 includes a second connecting portion 41 and a first stopper portion 42, the second connecting portion 41 is connected to the housing 1, and the first stopper portion 42 is used for limiting the moving range of the first abutting portion 321.

Preferably, the housing 1 includes a second limiting groove 14, the second connecting portion 41 is disposed in the second limiting groove 14, and a wall surface of the second limiting groove 14 can prevent the first limiting portion 42 from moving upward or downward in the vertical direction. Since the first abutting portion 321 is moved upward when the upper cover 2 is turned over, the first position-limiting portion 42 is disposed above the first abutting portion 321, and the first position-limiting portion 42 can limit the first abutting portion 321 from further moving upward, thereby limiting the turning angle of the upper cover 2.

Preferably, the catch member 3 includes a third abutting portion, and the retaining member 4 includes a fourth abutting portion, and the third abutting portion abuts against the fourth abutting portion. Since the limiting member 4 is limited by the sidewall of the second limiting groove 14 to move in the vertical direction, the third abutting portion of the locking element 3 abuts against the fourth abutting portion of the limiting member 4, so that the third abutting portion is ensured not to move in the vertical direction. By providing the third abutting portion at the joint of the first plate 31 and the second plate 32, a moving fulcrum of the first plate 31 can be formed, and the first connecting portion 311 is prevented from being separated from the housing 1 due to the up-down movement of the first plate 31.

Preferably, locking Assembly is provided with two sets ofly, sets up respectively at the both ends department of upper cover 2 to improve the locking dynamics of this FFC connector, and guarantee that both ends effort is balanced mutually. Specifically, the two ends of the upper cover 2 are two ends oppositely arranged along a fourth direction, and the fourth direction is perpendicular to the first direction and the second direction

As shown in fig. 4 to 5, the signal terminals 5 and the ground terminals 6 are each provided in the housing 1. Preferably, the signal terminals 5 are provided in plurality, the side walls of the insertion groove 11 are provided with a plurality of terminal connection grooves 15, and the signal terminals 5 are arranged in the terminal connection grooves 15 in a one-to-one correspondence. Preferably, the grounding terminal 6 is provided with a plurality of grounding terminal grooves 16, the housing 1 is provided with a plurality of grounding terminal grooves 16, each grounding terminal groove 16 is communicated with the plugging groove 11, and the grounding terminals 6 are correspondingly arranged in the grounding terminal grooves 16 one by one, so that the end part of each grounding terminal 6 is arranged in the plugging groove 11 to realize the contact with the connector.

The knowable is, the first butt portion 321 of hasp piece 3 compresses tightly upper cover 2, prevents the spacing portion 211 of chucking and removes, can guarantee the spacing portion 211 butt of chucking in the dynamics of connector, prevents that the connector from becoming flexible, and the resistance that the increase connector was extracted from grafting recess 11 guarantees the connection status of FFC connector and connector, guarantees that the signal is stable. And the movement range of the locking fastener 3 is limited by the limiting part 4, so that the upper cover 2 can be further prevented from being separated from the shell 1, and the locking state of the FFC connector to the connector is ensured.

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. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An FFC connector, comprising:

the connector comprises a shell (1), wherein an inserting groove (11) is formed in the shell (1), the connector can be inserted into the inserting groove (11) along a first direction, and an opening (12) is formed in the wall surface of the inserting groove (11) along a second direction;

the upper cover (2), the upper cover (2) includes first barb (21), the tip of first barb (21) is spacing portion of chucking (211), the upper cover (2) connect in the casing (1), first barb (21) insert trompil (12) and spacing portion of chucking (211) set up in grafting recess (11), spacing portion of chucking (211) butt in the connector;

and the locking assembly locks the shell (1) and the upper cover (2).

2. The FFC connector as recited in claim 1, wherein the locking assembly comprises a locking piece (3), the locking piece (3) comprises a first connecting portion (311) and a first abutting portion (321), the first connecting portion (311) is connected to the housing (1), and the first abutting portion (321) abuts against the upper cover (2) to prevent the jamming limiting portion (211) from moving relative to the housing (1).

3. The FFC connector according to claim 2, wherein the locking piece (3) comprises a first plate (31) and a second plate (32) which are connected, the first plate (31) and the second plate (32) are arranged at an angle, the first plate (31) comprises the first connecting portion (311), the second plate (32) comprises the first abutting portion (321), the housing (1) is provided with a first limiting groove (13), the first plate (31) is partially inserted into the first limiting groove (13) along the length direction of the first plate (31), and the side wall of the first limiting groove (13) can limit the first plate (31) to rotate so as to prevent the change of the included angle between the first plate (31) and the second plate (32).

4. The FFC connector according to claim 3, wherein the upper cover (2) comprises a second abutting portion (22), the first abutting portion (321) abuts against the second abutting portion (22), and an acute angle is formed between the second plate (32) and a plane where the second abutting portion (22) is located.

5. The FFC connector of claim 2, wherein the locking assembly further comprises a retainer (4), wherein the retainer (4) comprises a second connecting portion (41), wherein the second connecting portion (41) is connected to the housing (1), and wherein the retainer (4) is configured to limit a range of movement of the first abutting portion (321).

6. The FFC connector according to claim 5, wherein the retainer (4) further comprises a first retainer portion (42), the first retainer portion (42) being for limiting a moving range of the first abutting portion (321).

7. The FFC connector according to claim 6, wherein the second connecting portion (41) is disposed in a second stopper groove (14) of the housing (1), a wall surface of the second stopper groove (14) being capable of preventing the first stopper portion (42) from moving in the second direction so that the first stopper portion (42) is capable of restricting a moving range of the first abutting portion (321), the second direction being perpendicular to the first direction.

8. The FFC connector of claim 5 wherein the catch member (3) further comprises a third abutment portion and the retainer member (4) comprises a fourth abutment portion, the third abutment portion abutting the fourth abutment portion.

9. The FFC connector of claim 1 wherein the catch retaining portion (211) extends in a third direction, the third direction being at an acute angle to the first direction.

10. The FFC connector according to claim 1, further comprising a plurality of signal terminals (5), wherein a plurality of terminal connecting grooves (15) are provided on the side walls of the insertion groove (11), and wherein the signal terminals (5) are arranged in the terminal connecting grooves (15) in a one-to-one correspondence.

11. The FFC connector according to any one of claims 1 to 10, further comprising a plurality of ground terminals (6), wherein a plurality of ground terminal grooves (16) are provided in the housing (1), each of the ground terminal grooves (16) communicates with the insertion groove (11), and the ground terminals (6) are provided in the ground terminal grooves (16) in one-to-one correspondence such that an end portion of each of the ground terminals (6) is disposed in the insertion groove (11).