CN111490376A - A connector for wiring - Google Patents

Abstract

The invention discloses a connector suitable for a flat cable, which is used for solving the technical problem that the flat cable can be pulled out only by the simultaneous operation of two hands of a user, so that the operation of the user is inconvenient. The embodiment of the invention comprises a rubber core main body, a terminal group, a grounding piece and an operating piece; the grounding piece comprises a substrate, wherein first elastic arms are arranged on two opposite sides of the substrate, and clamping hooks are arranged on the first elastic arms; the operating piece comprises a pressing unlocking part which is positioned above the first elastic arm; the opposite two sides of the pressing unlocking part are provided with second elastic arms, the second elastic arms can rotate downwards under the driving of the pressing unlocking part, self-locking elastic pieces are arranged between the second elastic arms and the first elastic arms, the first side faces, facing the first elastic arms, of the self-locking elastic pieces are provided with stress protruding structures abutted to the flat cables in a matched mode, the self-locking elastic pieces can be stressed to deviate from the second elastic arms, and self-locking convex blocks matched with the second elastic arms are arranged on the second side faces, facing the second elastic arms, of the self-locking elastic pieces.

Description

A connector for wiring

technical field

The present invention relates to the technical field of connector design, in particular to a connector suitable for flat cables.

Background technique

Connectors are used in conjunction with signal transmission components such as flexible flat cables (flat cables) to transmit signals from one end to the other to achieve the purpose of signal transmission.

When the current connector client is operating, the user needs to use both hands to operate synchronously to pull out the cable from the connector. The specific operation is: the user presses the operating mechanism with the right hand, and then simultaneously pulls out the cable with It can be seen that the existing connector is inconvenient for the user to pull out the cable.

Therefore, in order to solve the above-mentioned technical problems, finding a connector that is easy to operate has become an important subject studied by those skilled in the art.

SUMMARY OF THE INVENTION

The embodiment of the present invention discloses a connector suitable for a flat cable, which is used to solve the technical problem that the existing connector requires the simultaneous operation of the user's hands to pull out the flat cable, resulting in inconvenient operation by the user.

An embodiment of the present invention provides a connector suitable for flat cables, comprising a rubber core body, a terminal group accommodated inside the rubber core body, a grounding member located in front of the terminal group, and a grounding member located behind the terminal group operating part;

The grounding member includes a base plate, and opposite sides of the base plate are provided with first elastic arms extending along the length direction of the rubber core body, the first elastic arms can be forced to rotate downward, and the first elastic arms An elastic arm is provided with a hook for fixing the cable;

The operating member includes a pressing and unlocking portion exposed on the main body of the rubber core, the pressing and unlocking portion is located above the first elastic arm, and the pressing and unlocking portion can drive the first elastic arm to rotate downward to disengage the hook on the first elastic arm from the cable;

Two opposite sides of the pressing and unlocking portion are provided with second elastic arms extending along the length direction of the rubber core body, and the second elastic arms can rotate downward under the driving of the pressing and unlocking portion. A self-locking elastic sheet is provided between the second elastic arm and the first elastic arm, and the first side of the self-locking elastic sheet facing the first elastic arm is provided with a force-receiving protrusion that can cooperate with the cable. structure, the self-locking elastic piece can be biased toward the second elastic arm by force, and the self-locking elastic piece facing the second side of the second elastic arm is provided with a self-locking protrusion that cooperates with the second elastic arm.

Optionally, the force-bearing protruding structure is a protruding portion disposed on the first side surface of the self-locking elastic piece.

Optionally, the force-bearing protruding structure is formed by bending the first side surface of the self-locking elastic piece.

Optionally, the self-locking shrapnel and the operating member are integral structures.

Optionally, the bottom of the self-locking elastic sheet is fixed in the main body of the rubber core.

Optionally, a side surface of the hook facing the substrate is an inclined surface that is matched and abutted with the cable;

When the cable is inserted into the connector, the front end of the cable moves along the inclined surface and drives the first elastic arm to rotate downward.

Optionally, the self-locking bumps are spherical bumps.

Optionally, a terminal slot is arranged inside the rubber core body, and the terminal group is arranged in the terminal slot.

Optionally, both opposite sides of the substrate are provided with first bases, and one end of the first bases away from the terminal group is bent by 180° and extends along the length direction of the rubber core body to form the the first elastic arm.

Optionally, the operating member has a second base fixedly connected with the rubber core body, and one end of the second base part close to the substrate is bent by 180° and extends along the length direction of the rubber core body to form the second elastic arm;

The side surface of the pressing and unlocking part is fixedly connected with the second elastic arm.

As can be seen from the above technical solutions, the embodiments of the present invention have the following advantages:

The connector in this embodiment is more convenient for the user to pull out the cable. When the cable is completely inserted into the connector, the left and right sides of the cable are in contact with the force-bearing protrusions on the self-locking spring. The pressure is biased to the second elastic arm. When the user needs to pull out the cable, he only needs to press down on the unlocking part with his hand. When the unlocking part is forced to move downward, the first elastic arm is driven to rotate downward, so that the hook When the cable is separated from the cable, the cable is no longer fixed. At the same time, the second elastic arm is also driven to move downward, and the second elastic arm moves to the bottom of the self-locking projection. At this time, the user can release and press the unlocking part, and then pull out the cable. After the cable is pulled out by about 10%, the self-locking shrapnel on both sides of the matching cable will return to the original position because it is not under the pressure of the cable. The self-locking bump no longer restricts the upward rotation of the second elastic arm, the second elastic arm rotates upward and returns to the initial position, the unlocking part is pressed to return to the initial position synchronously, and after the cable continues to be pulled out by 20%, the first elastic arm Since the hook on the top is not under the pressure of the cable, the first elastic arm also rotates upward and returns to the original position. Through the above-mentioned design, the user can pull out the flat cable from the connector with one-handed operation, and the connector is more convenient for the user to use.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic structural diagram of a connector suitable for a cable arrangement provided in the present invention;

2 is a structural exploded view of a connector suitable for flat cables provided in the present invention;

FIG. 3 is a schematic structural diagram of a grounding member of a connector suitable for a flat cable provided in the present invention;

4 is a schematic structural diagram of an operating member of a connector suitable for a cable arrangement provided in the present invention;

FIG. 5 is another perspective view of the structure of an operating member of a connector suitable for a cable arrangement provided in the present invention;

FIG. 6 is another structural schematic diagram of an operating member of a connector suitable for flat cables provided in the present invention;

7 is a schematic diagram of a separate structure of an operating member and a self-locking elastic piece of a connector suitable for a cable arrangement provided in the present invention;

FIG. 8 is a side view of the state when the flat cable is not inserted into the connector in the present invention;

9 is a side view of the state when 80% of the flat cable is inserted into the connector in the present invention;

10 is a side view of the state when the flat cable is completely inserted into the connector according to the present invention;

11 is a top view of the state when 80% of the cable is inserted into the connector according to the present invention;

12 is a top view of the state when the flat cable is completely inserted into the connector according to the present invention;

13 is a structural diagram of the present invention when the flat cable is completely inserted into the connector;

14 is a schematic diagram of the internal structure of the connector after the pressing and unlocking portion is pressed according to the present invention;

15 is a top view of the internal structure of the connector when the flat cable is pulled out by 10% after the pressing and unlocking part in the present invention is pressed;

16 is a side view of the internal structure of the connector when the flat cable is pulled out by 10% after the pressing and unlocking part in the present invention is pressed;

Figure 17 is a schematic diagram of the internal state of the connector after the flat cable in the present invention is pulled out by 20%;

18 is a schematic diagram of the internal structure of the connector in the present invention after the main body of the rubber core is hidden;

Description: rubber core body 1; grounding part 2; base plate 201; first elastic arm 202; first base 203; hook 204; inclined surface 2041; The second base 303 ; the terminal slot 4 ; the terminal group 5 ; the self-locking elastic piece 6 ;

Detailed ways

The embodiment of the present invention discloses a connector suitable for a flat cable, which is used to solve the technical problem that the existing connector requires the simultaneous operation of the user's hands to pull out the flat cable, resulting in inconvenient operation by the user.

In order to make those skilled in the art better understand the solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

Please refer to FIG. 1 to FIG. 5 and FIG. 8 to FIG. 18 . A connector suitable for a cable provided in this embodiment is applicable to an FFC cable 7 . The FFC cable mentioned in this embodiment The opposite sides of the front end of 7 are provided with card slots 701, and the structure of the connector includes:

The rubber core body 1, the terminal group 5 accommodated in the rubber core body 1, the grounding member 2 located in front of the terminal group 5, and the operating member 3 located behind the terminal group 5; As shown in FIG. 1, the rubber core body 1 is provided with a A cavity structure matching the shape of the grounding member 2, the core body 1 is also provided with a cavity structure matching the shape of the operating member 3, and the grounding member 2 and the operating member 3 are respectively arranged in the corresponding cavity structure;

The grounding member 2 includes a base plate 201. The opposite sides of the base plate 201 are provided with first elastic arms 202 extending along the length direction of the rubber core body 1. The first elastic arms 202 can be rotated downward by force. The first elastic arms 202 There are hooks 204 for fixing the cable 7. Specifically, the opposite sides of the front end of the cable 7 are provided with slots 701 matching the hooks 204, and the hooks 204 are engaged in the slots 701. When the cable 7 is fixed inside the connector;

The operating member 3 includes a pressing and unlocking portion 301 exposed on the rubber core body 1 , the pressing and unlocking portion 301 is located above the first elastic arm 202 , and the pressing and unlocking portion 301 can drive the first elastic arm 202 to rotate downward, so that the first elastic arm The hook 204 on the 202 is separated from the cable 7. Specifically, when the pressing and unlocking part 301 is moved downward by the user's pressure, the bottom of the pressing and unlocking part 301 is in contact with the first elastic arm 202, so that the first elastic arm 202 is pressed Rotate down, so that the hook 204 is separated from the slot 701 on the cable 7;

Two opposite sides of the pressing and unlocking portion 301 are provided with second elastic arms 302 extending along the length direction of the rubber core body 1 . The second elastic arms 302 can rotate downward under the driving of the pressing and unlocking portion 301 . A self-locking elastic sheet 6 is arranged between the first elastic arm 202 and the self-locking elastic sheet 6 is provided with a force-receiving protrusion structure 601 that can cooperate with the cable 7 to abut on the first side of the first elastic arm 202. It needs to be explained Yes, as shown in FIGS. 11 and 12 , when the cable 7 is completely inserted into the connector, the opposite sides of the front end of the cable 7 are pressed against the force-receiving protrusions 601 , resulting in the self-locking elastic piece 6 The force is biased toward the second elastic arm 302, and when the cable 7 is not inserted into the connector, the distance between the force-receiving protrusions 601 on the two self-locking elastic sheets 6 should be smaller than the width of the front end of the cable 7;

The self-locking elastic piece 6 is provided with a self-locking projection 602 which is matched with the second elastic arm 302 toward the second side surface of the second elastic arm 302 .

It should be noted that, referring to FIG. 3 , FIG. 4 , and FIG. 18 , the terminal group 5 is located between the two first elastic arms 202 , and the two first elastic arms 202 are located between the two second elastic arms 302 .

Further, as shown in FIG. 4 , the force-receiving protruding structure 601 in this embodiment is a protruding portion, and the protruding portion is arranged on the first side surface of the self-locking elastic piece 6 ;

It should be noted that, as shown in FIG. 12 , the protruding portion is a semi-cylindrical protruding portion. When the cable 7 is completely inserted into the connector, the opposite sides of the head end of the cable 7 are aligned with the protruding portion. The raised parts touch each other, and after the raised parts are pressed, the entire self-locking elastic piece 6 rotates in the direction of the second elastic arm 302 .

Further, the self-locking shrapnel 6 and the operating member 3 in this embodiment are integral structures;

It should be noted that this method can reduce the difficulty of production. Since the self-locking shrapnel 6 and the operating member 3 are integrally formed, the manufacturer can use a set of molds to complete the production.

Further, a side surface of the hook 204 facing the substrate 201 in this embodiment is an inclined surface 2041 that is in contact with the cable 7;

It should be noted that, with reference to FIGS. 8 to 10 , when the cable 7 is inserted into the connector, the front end of the cable 7 moves along the inclined surface 2041 and drives the first elastic arm 202 to rotate downward. The front end continues to move toward the interior of the connector, and the above-mentioned hook 204 is locked into the groove 701 of the cable 7, so that the cable 7 is fixed inside the connector. At this time, the hook 204 on the first elastic arm 202 Since there is no pressure from the front end of the flexible cable 7, the first elastic arm 202 returns to the initial position under the action of its own elastic force.

Further, with reference to FIG. 5 , it can be known that the self-locking bump 602 in this embodiment is a spherical bump;

It should be noted that, through the design of the spherical bump, as shown in FIG. 14 , when the cable 7 is completely inserted into the connector and the second elastic arm 302 rotates downward under the drive of the pressing and unlocking portion 301 , the second elastic The arm 302 will move from the surface of the spherical bump until the top surface of the second elastic arm 302 collides with the bottom of the spherical bump. At this time, the spherical bump will jam the second elastic arm 302 so that it cannot rotate upwards , the connector is in a self-locking state at this time. After that, the user can pull out the flat cable 7. This embodiment does not limit the shape of the self-locking bump 602, and the specific shape of the self-locking bump 602 only needs to be able to achieve the above-mentioned self-locking effect.

Further, a terminal slot 4 is arranged inside the rubber core body 1 in this embodiment, and the terminal group 5 in this embodiment is arranged in the terminal slot 4 .

Further, as shown in FIG. 3 , opposite sides of the substrate 201 are provided with first bases 203 , and one end of the first bases 203 away from the terminal group 5 is bent by 180° and extends along the length direction of the rubber core body 1 to A first elastic arm is formed.

As shown in FIG. 4 , the operating member 3 has a second base portion 303 fixedly connected to the rubber core body 1 , and one end of the second base portion 303 close to the substrate 201 is bent 180° and extends along the length direction of the rubber core body 1 to form the second elastic arm 302;

The side surface of the pressing and unlocking portion 301 is fixedly connected with the second elastic arm 302 .

It should be noted that, this embodiment does not limit the bending angles of the first base portion 203 and the second base portion 303 .

Description of the working principle of the connector in this embodiment:

As shown in FIG. 12 , when the cable 7 is completely inserted into the connector, the left and right sides of the cable 7 are in contact with the force-bearing protrusions 601 on the self-locking elastic sheet 6, and the self-locking elastic sheet 6 is biased to the second The elastic arm 302, as shown in FIG. 14, when the user needs to pull out the flat cable 7, he only needs to press the unlocking part 301 down with his hand, and when the pressing and unlocking part 301 is forced to move downward, it drives the first elastic arm 202 toward Rotate down, so that the hook 204 is separated from the cable 7, and the cable 7 is no longer fixed. At the same time, the second elastic arm 302 is also driven to move downward, and the second elastic arm 302 moves to the bottom of the self-locking protrusion 602, and the The locking protrusion 602 restricts the second elastic arm 302 to rotate upward, and the connector is in a self-locking state at this time (Fig. 14 is a schematic diagram when the connector is in a self-locking state), as shown in Fig. 15 and Fig. 16, and then the user can release the Press the unlocking part 301, and then pull out the cable 7. After the cable 7 is pulled out by about 10%, the self-locking springs 6 on both sides of the matching cable 7 return to the original position because they are not under the pressure of the cable 7. The self-locking bump 602 no longer restricts the upward rotation of the second elastic arm 302, the second elastic arm 302 rotates upward and returns to the initial position, and the unlocking portion 301 is pressed to return to the initial position synchronously, as shown in FIG. 17, the cable 7 continues After being pulled out by 20%, since the hook 204 on the first elastic arm 202 is not under the pressure of the flexible cable 7, the first elastic arm 202 also rotates upward and returns to the initial position. Through the above design, the user can pull out the flat cable 7 from the connector with one hand operation (that is, use one hand to press the unlocking portion 301 and then pull out the flat cable 7 from the connector with one hand), the connector is more User-friendly.

Embodiment 2

This embodiment is improved on the basis of the first embodiment. Specifically, as shown in FIG. 6 , the force-bearing protrusion structure 601 in this embodiment is bent by the first side of the self-locking elastic sheet 6 according to the shape of the cable 7 , as shown in Figure 6.

Embodiment 3

This embodiment is improved on the basis of the first embodiment. The self-locking elastic piece 6 in the first embodiment is connected to the operating member 3 and is integrally formed with the connecting member. In this embodiment, as shown in FIG. The locking shrapnel 6 and the operating member 3 are separate structures, that is, the bottom of the self-locking shrapnel 6 is fixed in the rubber core body 1 instead of being connected to the operating member 3 .

A connector suitable for flat cables provided by the present invention has been introduced in detail above. For those skilled in the art, according to the idea of the embodiment of the present invention, there will be changes in the specific implementation and application scope. , to sum up, the content of this specification should not be construed as a limitation to the present invention.

Claims (10)

1. A connector suitable for flat cables is characterized by comprising a rubber core main body, a terminal group accommodated in the rubber core main body, a grounding piece positioned in front of the terminal group and an operation piece positioned in back of the terminal group;

the grounding piece comprises a substrate, wherein first elastic arms extending along the length direction of the rubber core main body are arranged on two opposite sides of the substrate, the first elastic arms can be stressed to rotate downwards, and clamping hooks for fixing the flat cables are arranged on the first elastic arms;

the operating part comprises a pressing unlocking part exposed out of the rubber core main body, the pressing unlocking part is positioned above the first elastic arm, and the pressing unlocking part can drive the first elastic arm to rotate downwards so as to enable the clamping hook on the first elastic arm to be separated from the flat cable;

the opposite sides of pressing the unlocking part are all provided with edges the second elastic arm that the length direction of gluing the core main part extends, the second elastic arm can press the drive of unlocking part down to rotate, the second elastic arm with be provided with the auto-lock shell fragment between the first elastic arm, the orientation of auto-lock shell fragment the first side of first elastic arm is provided with the atress protruding structure that can cooperate the butt with the winding displacement, the auto-lock shell fragment can the atress be partial to the second elastic arm, the auto-lock shell fragment orientation the second side of second elastic arm be provided with second elastic arm complex auto-lock lug.

2. The connector for flat cables according to claim 1, wherein the force-receiving protrusion is a protrusion disposed on the first side of the self-locking spring.

3. The connector for flat cables of claim 1, wherein the forced protrusion is formed by bending the first side of the self-locking spring.

4. The connector for flat cable according to claim 1, wherein the self-locking spring plate and the operation member are an integral structure.

5. The connector for flat cables of claim 1, wherein the bottom of said self-locking spring plate is fixed in said rubber core body.

6. The connector for flat cables according to claim 1, wherein a side surface of the hook facing the substrate is an inclined surface adapted to abut against the flat cable;

when the flat cable is inserted into the connector, the front end of the flat cable moves along the inclined surface and drives the first elastic arm to rotate downwards.

7. The connector for flat cables of claim 1, wherein said self-locking protrusion is a spherical protrusion.

8. The connector for flat cables according to claim 1, wherein a terminal groove is formed in the rubber core main body, and the terminal group is disposed in the terminal groove.

9. The connector for flat cables according to claim 1, wherein the base plate is provided with first base portions at two opposite sides, and one end of the first base portion away from the terminal group is bent by 180 ° and extends along a length direction of the rubber core main body to form the first elastic force arm.

10. The connector for flat cable according to claim 1, wherein the operating member has a second base fixedly connected to the rubber core main body, and one end of the second base close to the base plate is bent by 180 ° and extends along the length direction of the rubber core main body to form a second elastic arm;

and the side surface of the pressing unlocking part is fixedly connected with the second elastic arm.

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