KR20200025281A - Poke in connector - Google Patents

Abstract

The present invention relates to a poke-in connector. The poke-in connector comprises: a housing accommodating a cable through a first insertion hole formed on one side thereof; a terminal connected to a core wire of the cable in the housing; and a molding portion including a second insertion hole connected to the first insertion hole for the cable to be penetrated therethrough in the housing, and fixed on the terminal through insertion molding.

Description

Fork In Connector {POKE IN CONNECTOR}

The present invention relates to a fork-in connector. More specifically, the present invention relates to a connector which is a fork in which a molding part including an insertion hole and a terminal are fixed by insert molding.

There may be a variety of electrical connection devices mounted on a printed circuit board to transfer electrical signals to and from the outside. For example, there may be a fork-in connector.

In such an electrical connection device, the cable should be more firmly coupled with the electrical connection device. When an external force is applied to the cable, the cable should not be easily disconnected from the connecting device and the connector should not be easily damaged. Accordingly, when an external force is applied, a need arises to disperse the portion where the external force is concentrated in the connector itself.

The technical problem to be solved by the present invention is to provide a fork-in connector that is not easily damaged by preventing the external force is concentrated in one place.

The technical problems of the present invention are not limited to the above-mentioned technical problems, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

In the housing and the housing for receiving the cable through the first insertion hole formed on one side according to some embodiments of the present invention for achieving the above technical problem, in the terminal and the housing connected to the core wire of the cable, the first insertion hole And a second insertion hole through which the cable is penetrated, and a fork-in connector including a molding part fixed to the terminal by insert molding.

In some embodiments, the housing provides a connector that is a fork comprising a through portion formed on top of the housing and a lever located at the through portion and the base integrally formed in the housing.

In some embodiments, the housing provides a connector that is a fork that includes an insulator.

In some embodiments, the housing and molding provide a connector that is a fork that includes an insulator.

In some embodiments, the terminal includes a base portion located below the molding portion, a first fixing portion extending from the base portion in an upward direction of the terminal to be fixed to the molding portion, and a direction in which the core of the cable is inserted from the first fixing portion. It extends to provide a fork-in connector comprising a first finger and a second finger to secure the core of the cable.

In some embodiments, the terminal provides a fork-in connector that includes a conductor.

In some embodiments, the molding provides a connector that is a fork that includes protrusions that are coupled to both sides of the housing and secured to the housing.

A first fixing part adjacent to the first insertion hole in the housing and the housing for receiving the cable through the first insertion hole formed on one side according to another embodiment of the technical idea of the present invention for achieving the above technical problem; A terminal including a finger extending in a direction away from the first fastening portion from the first fastening portion, and a second inserting hole connected to the first inserting hole through which the cable is penetrated, and passing through a portion of the first fastening portion It provides a fork-in connector comprising a molding fixed to the.

In some embodiments, the housing includes a through portion with an empty portion of the upper surface of the housing, and

Provided is a fork-in connector including a lever on which a finger is operated by pressing in a terminal direction from an upper surface of the housing.

In some embodiments, the first fastening portion provides a connector that is a fork having a portion where the first fastening portion meets the upper surface portion of the housing and having both sidewalls formed from the lower surface of the terminal in the upper surface direction of the housing.

In some embodiments, the first fastener is integrally formed with the finger, the finger providing a connector that is a fork that includes a second fastener that secures the core of the cable.

In some embodiments, the terminal has a first engaging portion and a second engaging portion, the first engaging portion and the second engaging portion, which are formed in a direction from the terminal to the upper surface of the housing in the opposite direction of the first fixing portion, the first engaging portion of the housing A fork-in connector is provided that includes a hook and a second hook.

Specific details of other embodiments are included in the detailed description and the drawings.

According to some embodiments of the inventive concept, the following effects are at least.

In the fork-in connector according to some embodiments of the inventive concept, a portion forming an insertion hole into which a cable is inserted includes a material such as a plastic resin to facilitate dispersion of external force and is integrated through a terminal and insert molding, thereby providing external force. The separation of the connector can be prevented.

The effects according to the present invention are not limited by the contents exemplified above, and more various effects are included in the present specification.

1 is a perspective view illustratively illustrating a fork-in connector.
FIG. 2 is a cross-sectional view taken along line AA ′ of FIG. 1.
3 is a cross-sectional view taken along line BB ′ of FIG. 1.
4 is a perspective view illustrating the housing by way of example.
5 is a perspective view illustrating an example in which the molding part and the terminal are integrated with insert molding.
6 is a perspective view illustrating an example of a molding part.
FIG. 7 is a cross-sectional view taken along line CC ′ of FIG. 6.
8 is a perspective view illustrating a terminal by way of example.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various forms, and only the present embodiments make the disclosure of the present invention complete, and those of ordinary skill in the art to which the present invention belongs. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Although the first, second, etc. are used to describe various components, these components are of course not limited by these terms. These terms are only used to distinguish one component from another. Therefore, the first component mentioned below may be a second component within the technical idea of the present invention.

When one component is referred to as "connected to" or "coupled to" with another component, it may be directly connected to or coupled with another component, or through another component in between. This includes all cases. On the other hand, when one component is referred to as "directly connected to" or "directly coupled to" with another component indicates that no other component is intervened. “And / or” includes each and all combinations of one or more of the items mentioned.

When a component is referred to as "on" or "on" of another component, it includes both the case of interposing other components as well as directly above other components. On the other hand, when a component is referred to as "directly on" or "directly on" of another component indicates that no other component is intervened in between.

The spatially relative terms " below ", " beneath ", " lower ", " above ", " upper " It can be used to easily describe the correlation of components with other components. Spatially relative terms should be understood to include terms that differ in orientation of the device in use or operation in addition to the directions shown in the figures. For example, when flipping a device shown in the figures, components described as "below" or "beneath" of other devices may be placed "above" of other components. . Thus, the exemplary term "below" can encompass both an orientation of above and below. The components can be oriented in other directions as well, so that spatially relative terms can be interpreted according to the orientation.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and / or “comprising” refers to the presence of one or more other components, steps, operations and / or elements. Or does not exclude additions.

Although the first, second, etc. are used to describe various components, these components are of course not limited by these terms. These terms are only used to distinguish one component from another. Therefore, the first component mentioned below may be a second component within the technical idea of the present invention.

Unless otherwise defined, all terms used in the present specification (including technical and scientific terms) may be used as meanings that can be commonly understood by those skilled in the art. In addition, terms that are defined in a commonly used dictionary are not ideally or excessively interpreted unless they are specifically defined clearly.

Hereinafter, a fork-in connector according to some embodiments of the inventive concept will be described with reference to FIGS. 1 to 8.

1 is a perspective view illustratively illustrating a fork-in connector.

Referring to FIG. 1, the fork-in connector 10 includes a housing 11, a molding portion 18, and a terminal 13 integrated with the molding portion 18 through insert molding.

Insert molding is a molding method of integrating heterogeneous materials in an injection mold, and is mainly used in the field of producing products in which metal and plastic are integrated. Insert molding is a method in which the insert part and the plastic resin are integrally formed by inserting the insert part in the state in which the injection mold is opened and then injecting the molten high temperature plastic resin in the state in which the insert mold is closed.

Insert molding can produce more sophisticated and robust products than the combined (push-in) products of the individual parts, and the efficiency of the production process can be improved.

The meltable material used for insert molding is not limited to plastic resins.

The cable is inserted into the second insertion hole 16 of the molding part 18 through the first insertion hole 12 of the housing 11, the core of the cable is fixed inside the housing 11, The core of the cable can be released by pressing the lever 22 into the housing 11 through the through portion 20 formed in the upper portion 27 of the housing 11 to release the core of the fixed cable. have. The base 24 of the lever 22 may be connected to the housing 11 to form an integral part. The first protrusion 14 of the molding part 18 may be coupled to the housing 11 to prevent the housing 11 and the molding part 18 from being easily separated.

FIG. 2 is a cross-sectional view taken along line AA ′ of FIG. 1.

1 and 2, when the cable is inserted into the fork-in connector 10 through the first insertion hole 12 of the housing 11 and through the second insertion hole 16 of the molding part 18, The core wire of the cable coming along the first finger 36 and the second finger 38 of the terminal 13 in the housing 11 may be fixed to the second fixing part 62.

The housing 11 and the molding part 18 may include a first assembly part (to be described later in FIG. 4) in which the first protrusion 14 and the second protrusion 15 are recessed in both sidewall portions 26 of the housing 11. 52 and the second assembly portion 54 may be strongly connected, and the molding portion 18 and the terminal 13 has a first cladding portion 56 and a second cladding portion 57 of the terminal 13. 8 of the first fixing part 60 may be integrally fixed to the first groove part 30 and the second groove part 32 to be described later through insert molding.

3 is a cross-sectional view taken along line BB ′ of FIG. 1.

1 to 3, the first latching portion 56 of the molding portion 18 may include insert molding and the first groove portion 30 to be described later with reference to FIG. 8 of the first fixing portion 60 of the terminal 13. And the molding part 18 and the terminal 13 are integrated through a strong fixing force, and the first coupling part 44 and the housing 11 having the first hook 48 and the third assembly part 66. In this connection, the molding part 18, the terminal 13, and the housing 11 are bound by the coupling force which is not easy to separate.

The center region of the base portion 34 of the terminal 13 may be raised in the direction of the upper portion 27 of the housing 11 compared to other regions of the terminal 13, but is not limited thereto.

4 is a perspective view illustrating the housing by way of example.

1 to 4, the housing 11 may be made of an insulating material. The appearance of the housing 11 is not limited to this specification and may have various shapes. An inner space may be formed inside the housing 11. The inner space may be a portion in which the molding unit 18 and the terminal 13 integrated with insert molding are installed. In the inner space, a lower portion of the housing 11 is opened and a first insertion hole 12 is formed at one side of the housing 11 so that a cable can pass therethrough.

The first assembly part 52 and the second assembly part 54 may be formed in the side wall part 26 of the housing 11. The first assembly portion 52 and the second assembly portion 54 may have a shape recessed from the lower surface of the housing 11 to the upper surface, but the shape of the first assembly portion 52 and the second assembly portion 54. Is not limited to this.

The first assembly portion 52 and the second assembly portion 54 may be coupled to the first protrusion 14 and the second protrusion 15 of the molding part 18. Through this, the molding unit 18 integrated with the terminal 13 and insert molding may be more tightly coupled with the housing 11 to improve the fixing force of the connector 10 which is a fork.

The upper portion 27 of the housing 11 may include a penetrating portion 20 communicating between the outside of the housing 11 and the inner space. The lever 22 may pass into the through portion 20. The lever 22 of the first finger 36 and the second finger 38 of the terminal 13 to be described later in FIG. 8 by pressing the upper surface 27 of the housing 11 to the lower surface of the housing 11. A pressure may be applied to the first leading inclined surface 40 and the second leading inclined surface 42 formed thereon to release the core wire of the cable fixed by the second fixing part 62.

The rear portion 64 of the housing 11 may be integrally connected with the base portion 24 of the lever 22.

5 is a perspective view illustrating an example in which the molding part and the terminal are integrated by insert molding.

1 to 5, the molding part 18 and the first fixing part 60 of the terminal 13 in the housing 11 may have an integrated shape through insert molding. When the cable enters through the second insertion hole 16, the first finger 36 and the second finger 38 of the terminal 13 may form the second fixing part 62 to fix the core wire of the cable.

When the lever 22 is pressed, the lever 22 elastically deforms and enters the through part 20 of the housing 11. Therefore, the lever 22 entering the through part 20 presses the first leading inclined surface 40 and the second leading inclined surface 42. The second high height of the first leading inclined surface 40 and the second leading inclined surface 42 is pressed while the first finger 36 and the second finger 38 are elastically deformed as a whole so as to fix the core wire of the cable. The government 62 can be made to release the core of the cable.

The base portion 34 of the terminal 13 may protrude further in the direction of the second insertion hole 16 than the molding portion 18, but is not limited thereto.

6 is a perspective view illustrating an example of a molding part.

1 to 6, the molding part 18 may include a first protrusion 14 and a second protrusion 15 that engage with the first assembly part 52 and the second assembly part 54 of the housing 11. ) And a cable inserted into the housing 11 includes a second insertion hole 16 passing through the first insertion hole 12 of the housing 11.

The molding part 18 is a cable passing through the first insertion hole 12 and the second insertion hole 16 of the fork-in connector 10 by an operator using an external force (for example, the fork-in connector 10). It may include a material that absorbs the shock (force) transmitted to.

The condition of the shock absorbing material is a molding in which the cable passes through the entire pressure of the material and / or the external force, which converts the kinetic energy of the external force that impacts the energy into a form in which the fork-in connector 10 is not damaged It may be a material that can prevent concentration at one point of the second insertion hole 16 of the portion 18 and / or a material that can prevent external forces from reaching the molding portion 18 and injuring the surface. Can be. Conditions of the shock absorbing material may not be limited thereto.

The shock absorbing material having the above conditions may include a composite material, a silicone or a plastic resin, or the like added with a porous elastomer or rubber material prepared by mixing an elastomer or an elastomer such as rubber or polyurethane with air. Absorbent material is not limited thereto.

The molding portion 18 comprises a shock absorbing material, and the molding portion 18 is integrated with the terminal 13 of the connector 10, which is a fork, by insert molding, thereby exerting a force transmitted to the cable by an external force. The molding portion 18 absorbs the impact caused by the molding portion 18 so that the molding portion 18 together with the cable is separated from the fork-in connector 10 or separated from the terminal 13 of the fork-in connector 10 or the fork-in connector 10. Can be prevented from being destroyed or damaged.

FIG. 7 is a cross-sectional view taken along line CC ′ of FIG. 6.

1 to 7, the molding part 18 includes a second insertion hole 16 into which a cable is inserted, a first binding groove 58 and a first connection part 60 to which the first fixing part 60 of the terminal 13 is connected. 2 fastening grooves 59, first latching portions 56 to be integrated with the first groove portion 30 and the second groove portion 32 formed on both sides of the terminal 13, which will be described later in FIG. And a second protrusion 57, a first protrusion 14 and a second protrusion 15 to be connected to the first assembly portion 52 and the second assembly portion 54 of the housing 11.

The first protrusion 14 and the second protrusion 15 of the molding part 18 are connected to the first assembly part 52 and the second assembly part 54 of the housing 11 to form a fork of the connector 10. The clamping force between the housing 11 and the molding portion 18 and the insert terminal 13 can be strengthened.

First hook 56 and second hook formed in the first binding groove 58 and the second binding groove 59 and the first binding groove 58 and the second binding groove 59 of the molding part 18. The needle portion 57 is an integral part of the terminal 13 and the insert molding. The needle portion 57 has a stronger strength at the time of breakage than the connection by press-fitting, and a possibility of being separated from each other in the connector 10 which is a fork. Can be.

8 is a perspective view illustrating a terminal by way of example.

1 to 8, the terminal 13 has a base portion 34 which forms a lower portion of the connector 10 which is a fork at the lower portion of the terminal 13, and a molding portion 18 that passes when the cable is inserted. The first fastening part 60 and the first fastening part 56 and the second fastening part of the molding part 18 which are integrated with the first fastening groove 58 and the second fastening groove 59 of the molding part 18 57 and the first groove part 30 and the second groove part 32, which are integrated through insert molding, and the cable is connected to the first insertion hole 12 of the housing 11 and the second insertion hole 16 of the molding part 18. A second fixing part 62 which fixes the core wire of the cable after being inserted through it, a first finger 36 and a second finger 38 forming the second fixing part 62, and a lever of the housing 11; 22, the pressure transmitted through the lever 22 to release the first finger 36 and the second finger 38 to secure the cable by pressing the first finger 36 and the second finger. First leading inclined surface 40 and second leading inclined surface to transmit to 38 42, a first hook positioned opposite to the first fixing part 60 of the terminal 13 to secure the housing 11 and the terminal 13 through locking with the housing 11. 48 and the third assembly portion 66 and the fourth assembly portion 68 recessed to reinforce the fixing force of the second hook 50, the convex first hook 48 and the second hook 50, A first hook 48 and a second hook 50 and a third assembly portion 66 and a fourth assembly portion 68 and from the base portion 34 toward both sidewall portions 26 of the housing 11; It includes a first coupling portion 44 and the second coupling portion 46 formed toward the upper portion 27 of the housing (11).

Terminal 13 may comprise a conductor.

The base portion 34 may be equal to the length of both sidewall portions 26 of the housing 11, but is not limited thereto. The first fixing part 60 may have a shape in which the top surface of the housing 11 is opened, that is, the letter 'C' is rotated 90 degrees counterclockwise, but is not limited thereto. The first groove portion 30 and the second groove portion 32 may have a 'ㅁ' shape, but are not limited thereto.

The first fixing part 60, the first groove part 30, and the second groove part 32 are formed by insert molding as described below with the first fastening part 56 and the second fastening part 57 of the molding part 18. Can be integrated.

First, a mold having the same shape as the molding part 18 is designed. After inserting the first fixing portion 60 having the first groove portion 30 and the second groove portion 32 as an insert part in a mold having the same shape as the molding portion 18, melting is performed using the shock absorbing material described in FIG. Dissolve and inject as much material as possible. Thereafter, a molding part 18 having a shape corresponding to the mold may be formed through a cooling process in the mold. The shape after insert molding is as FIG. 5 mentioned above.

The first finger 36 and the second finger 38 which fix the core of the cable inserted through the first fixing part 60 are in the form of a funnel such that the second fixing part 62 converges to fix the core of the cable. May be achieved, but is not limited thereto.

The first finger 36 and the second finger 28 include a first leading slope 40 and a second leading slope 42 at the top. When the lever 22 formed integrally with the housing 11 is pressed in the direction of the first leading inclined surface 40 and the second leading inclined surface 42, the pressure is applied to the first leading inclined surface 40 and the second leading inclined surface 42. This is applied so that the first finger 36 and the second finger 38, which fix the core of the cable, fall away from each other. The core wires of the cable fixed to the second fixing part 62 under pressure due to the convergence of the first finger 36 and the second finger 38 are separated from each other in the opposite directions. The weakened pressure of 38 causes the fixation to be released, resulting in a release from the fork-in connector 10.

The first coupling part 44 and the second coupling part 46 may be formed at an end portion of the terminal 13 in the direction in which the cable is inserted. The first coupling portion 44 and the second coupling portion 46 may be shaped like 'c', which is open toward the upper portion 27 of the housing 11, but is not limited thereto.

Each of the first coupling portion 44 and the second coupling portion 46 may include a first hook 48 and a second hook 50, a third assembly portion 66, and a fourth assembly portion 68. have. The first hook 48 and the second hook 50 are locked and coupled to the housing 11 so that the first protrusion 14 and the second protrusion 15 of the molding 18 described in FIG. 6 are coupled to the housing 11. In addition to fixing in combination with), the coupling force of the housing 11 and the terminal 13 (that is, the whole including the molding unit 18 integrated with the terminal 13) may be further strengthened.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments and can be manufactured in various forms, and having ordinary skill in the art to which the present invention pertains. It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

10: fork-in connector 11: housing
12: first insertion hole 14: first protrusion
15: second projection 16: second insertion port
18: molding 22: lever
24: base part 34: base part
36: first finger 38: second finger
56: first roughness 57: second roughness
60: first fixing part 62: second fixing part

Claims (11)

A housing accommodating the cable through a first insertion hole formed at one side;
A terminal connected to the core of the cable in the housing; And
A fork-in connector in the housing, the second insertion hole being connected to the first insertion hole and through which the cable is penetrated, and including a molding part fixed to the terminal by insert molding. The method of claim 1,
The housing is
A through part formed on an upper portion of the housing;
And a fork-in connector including a lever positioned at the through portion and having a base integrally formed at the housing. The method of claim 1,
The housing and the molding part include an insulator,
Said terminal being a fork comprising a conductor. The method of claim 1,
The terminal,
A base portion located below the molding portion,
A first fixing part extending from the base part in an upper direction of the terminal and fixed to the molding part;
And a fork-in connector extending from the first fixing part in a direction in which the core wire of the cable is inserted, the first finger and the second finger fixing the core wire of the cable. The method of claim 4, wherein
The terminal,
And a fork-in connector including a first coupling part and a second coupling part extending from the base part in an upward direction of the terminal and fixed to the housing. The method of claim 1,
And the molding part is a fork including a first protrusion and a second protrusion coupled to both sides of the housing and fixed to the housing. A housing accommodating the cable through a first insertion hole formed at one side;
A terminal including a first fixing part adjacent to the first insertion hole and a first finger and a second finger extending in a direction away from the first fixing part to the first insertion hole in the housing; And
In the housing, includes a second insertion port connected to the first insertion hole through which the cable is penetrated, and a molding part penetrating a portion of the first fixing portion and fixed to the terminal,
And the terminal includes an insulator and the molding portion is a fork comprising an insulator. The method of claim 7, wherein
The housing includes an insulator,
A through part in which a part of the upper surface of the housing is empty; and
And a fork including a lever on which the first finger and the second finger are operated by pressing in the direction of the terminal from an upper surface of the housing. The method of claim 7, wherein
The first fixing part,
A portion where the first fixing portion and an upper surface portion of the housing meet is drilled,
And a fork having both sidewalls formed in a direction of an upper surface of the housing from a lower surface of the terminal. The method of claim 9,
The first fixing part,
Including the first finger and the second finger,
The first finger and the second finger is a fork connector including a second fixing portion formed in a direction opposite to the first fixing portion, which secures the core of the cable. The method of claim 7, wherein
The terminal,
A first coupling part and a second coupling part formed in an upper direction of the housing from the terminal in an opposite direction to the first fixing part;
And the first coupling portion and the second coupling portion are forks including a first hook and a second hook that engage with the housing.

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