KR102634975B1 - Splice joint connector - Google Patents

Abstract

The invention for a splice joint connector is disclosed. The disclosed splice joint connector includes: a main clamp ring that bends and presses and secures a portion of the main shield layer of the main wire with the main conductor exposed at one end of the main shell so that it is in contact with the circumferential surface of the main shell, and is provided with a plurality of strands. A branch clamp ring that bends and compresses a part of the branch shield layer of each branch wire exposed to the outside of the corresponding branch shell to expose each branch conductor connected to the main conductor to the outside of the corresponding branch shell, and the main wire It is characterized by including a connection guide that wraps a plurality of branch wires at once and electrically connects a corresponding main clamp ring and a plurality of branch clamp rings at the same time.

Description

Splice joint connector {SPLICE JOINT CONNECTOR}

The present invention relates to a splice joint connector, and more specifically, to an inner housing in which a shield shell is assembled in a state in which the conductors of a plurality of individual shielded wires are joined together and then clamped to each shielded wire through a shield clamp and clamp ring. After assembling to surround the conductor part and a plurality of shield clamps, the shield shell is brought into contact with the shield clamp to easily induce a shielding function, and the assembled shield shell and inner housing are covered with a casing to protect the internal components. This relates to a splice joint connector that responds to quality issues and increases product reliability by improving the process and workability of wire harness parts and enabling rework by increasing the sealing force through packing processing.

Recently, as carbon energy is gradually depleted and interest in the environment is increasing, public attention is focused on hybrid and electric vehicles worldwide, including in the United States, Europe, Japan, and Korea.

Hybrid vehicles and electric vehicles use higher voltage/higher currents than regular vehicles, so they require an electrical device to stably supply and distribute power supplied from the outside of the vehicle to parts inside the vehicle. In addition, many parts are being manufactured in module form for electronic control of vehicles, and the use of wires or communication lines with connectors to transmit current or electrical signals has rapidly increased.

These connectors are used to electrically connect automobile parts, and undergo various safety tests to prevent electrical defects from occurring when mounted on automobile components.

As a related technology, Domestic Registration Utility No. 20-0264075 (registration date: January 30, 2002, name: automotive connector assembly structure) has been proposed.

The above-described technical configuration is background technology to aid understanding of the present invention, and does not mean that it is widely known prior art in the technical field to which the present invention belongs.

Existing joint connectors have limited space, so existing wire presses cannot be used to press the pressing area of the clamp ring of the shield shell. As a result, a separate process press to fit the shape must be manufactured, which reduces work fairness and makes assembly difficult. There is a problem of increased costs, and since rework is not possible after the shield shell is pressed, if quality issues occur in the internal wires and parts, the entire wire harness must be replaced.

Therefore, there is a need to improve this.

The present invention was developed to improve the problems described above, and is an inner housing in which a shield shell is assembled by jointing the conductors of a plurality of individual shielded wires and clamping them to each shielded wire through a shield clamp and clamp ring. After assembling to surround the conductor part and a plurality of shield clamps, the shield shell is brought into contact with the shield clamp to easily induce a shielding function, and the assembled shield shell and inner housing are covered with a casing to protect the internal components. The purpose is to provide a splice joint connector that responds to quality issues and increases product reliability by improving the process and workability of wire harness parts and enabling rework by increasing the sealing force through packing processing.

The splice joint connector according to the present invention includes: a main clamp ring that bends a portion of the main shield layer of the main wire exposing the main conductor at one end of the main shell to be in contact with the peripheral surface of the main shell, and then presses and fixes it; It is provided with a plurality of strands, and each branch conductor connected to the main conductor is exposed to the outside of the corresponding branch shell. A portion of the branch shield layer of each branch wire is bent to contact the peripheral surface of the corresponding branch shell, and then pressed. Branch clamp ring to secure; and a connection guide unit that wraps the main wire and the plurality of branch wires at once and electrically connects the corresponding main clamp ring and the plurality of branch clamp rings at the same time.

The connection guide unit includes an inner housing that surrounds the main wire and the plurality of branch wires connected to the main wire at once and is made of an insulating material; a main seating groove portion recessed in the inner surface of the inner housing to accommodate the main clamp ring and thereby fix its position; a branch seating groove portion recessed in the inner surface of the inner housing to secure the position of the branch clamp ring by accommodating it one-to-one; and a shield shell that surrounds the inner housing, is made of a conductive material, and guides the shield by contacting the plurality of branch shield layers corresponding to the main shield layer.

The inner housing forms a conductor seating groove to accommodate the electrically connected main conductor and the plurality of branch conductors, and forms a main passage connecting the main seating groove and the conductor seating groove, and the branch seating groove. It is characterized by forming a branch passage connecting the groove portion and the conductor seating groove.

The inner housing forms an inner passage hole; The shield shell is characterized in that, after being inserted into the inner passage hole, it forms a connecting member that contacts the corresponding main clamp ring and the branch clamp ring, or contacts the corresponding main shield layer and the branch shield layer.

The shield shell is characterized by being surrounded by a casing.

As described above, the splice joint connector according to the present invention is an inner housing in which a shield shell is assembled by jointing the conductors of a plurality of individual shielded wires and then clamping them to each shielded wire through a shield clamp and clamp ring. After assembling to surround the conductor part and a plurality of shield clamps, the shield shell is brought into contact with the shield clamp to easily induce a shielding function, and the assembled shield shell and inner housing are covered with a casing to protect the internal components. As the sealing force is increased through packing, the process and workability of wire harness parts can be improved and rework is possible, responding to quality issues and increasing product reliability.

1 is a perspective view of a splice joint connector according to an embodiment of the present invention.
Figure 2 is an exploded perspective view of the casing separated from the splice joint connector according to an embodiment of the present invention.
Figure 3 is an internal view of a splice joint connector according to an embodiment of the present invention.
Figure 4 is an exploded perspective view of the connection guide part of the splice joint connector according to an embodiment of the present invention.
Figure 5 is an exploded perspective view of the bottom of the connection guide according to an embodiment of the present invention.
Figure 6 is an enlarged view of the inner housing and shield shell of the connection guide according to an embodiment of the present invention.
Figure 7 is a plan cross-sectional view of a splice joint connector according to an embodiment of the present invention.
Figure 8 is a longitudinal cross-sectional view of a splice joint connector according to an embodiment of the present invention.
Figure 9 is an enlarged longitudinal cross-sectional view of a splice joint connector according to an embodiment of the present invention.

Hereinafter, an embodiment of a splice joint connector according to the present invention will be described with reference to the attached drawings. In this process, the thickness of lines or sizes of components shown in the drawing may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are terms defined in consideration of functions in the present invention, and may vary depending on the intention or custom of the user or operator. Therefore, definitions of these terms should be made based on the content throughout this specification.

Figure 1 is a perspective view of a splice joint connector according to an embodiment of the present invention, Figure 2 is an exploded perspective view of a splice joint connector according to an embodiment of the present invention with the casing removed, and Figure 3 is an exploded perspective view of a splice joint connector according to an embodiment of the present invention. This is an internal diagram of a splice joint connector according to an embodiment.

Figure 4 is an exploded perspective view of the connection guide part of the splice joint connector according to an embodiment of the present invention, Figure 5 is an exploded perspective view of the bottom of the connection guide part according to an embodiment of the present invention, and Figure 6 is a perspective view of the connection guide part of the splice joint connector according to an embodiment of the present invention. This is an enlarged view of the inner housing and shield shell of the connection guide according to one embodiment.

Figure 7 is a horizontal cross-sectional view of a splice joint connector according to an embodiment of the present invention, Figure 8 is a vertical cross-sectional view of a splice joint connector according to an embodiment of the present invention, and Figure 9 is a cross-sectional view of a splice joint connector according to an embodiment of the present invention. This is an enlarged longitudinal cross-sectional view of the splice joint connector.

1 to 9, the splice joint connector 100 according to an embodiment of the present invention includes a main clamp ring 110, branch clamp rings 122 and 124, and a connection guide 200.

In particular, the splice joint connector 100 according to the present invention serves to electrically connect one or multiple strands of the main wire 10 and multiple strands of branch wires.

In addition, the splice joint connector 100 surrounds and protects the electrically connected main wire 10 and branch wires and serves as a shield.

Therefore, the main wire 10 and the branch wires may be made of shielded wires.

Accordingly, the main wire 10 includes a main conductor 12, a main shield layer 14, and a main sheath 16, which are layered from the center to the outside.

In addition, the branch wire is made of multiple strands, and for convenience, it is shown as being provided with 2 strands. At this time, the branch wire is made of the same or different diameter as the main wire 10.

The first branch wire 20 includes a first branch conductor 22, a first branch shield layer 24, and a first branch sheath 26, which are layered from the center to the outside.

In addition, the second branch electric wire 30 includes a second branch conductor 32, a second branch shield layer 34, and a second branch shell 36, which are layered from the center to the outside.

Meanwhile, the main clamp ring 110 has a ring shape, is made of a conductive material, and is pressed and fixed to the circumferential surface of the main wire 10.

In particular, the main clamp ring 110 is provided at one end of the main sheath 16, and a portion of the main shield layer 14 of the main wire 10 is bent and pressed to be in contact with the peripheral surface of the main sheath 16. do. At this time, the main conductor 12 is exposed to one side of the main wire 10 along the axial direction. The main clamp ring 110 is made of a material that can conduct electricity and can be transformed into various shapes.

And, the first branch wire 20 presses and secures the first branch clamp ring 122.

In other words, the first branch clamp ring 122 is the first branch of the first branch wire 20 that exposes each of the first branch conductors 22 connected to the main conductor 12 to the outside of the first branch sheath 26. A portion of the branch shield layer 24 is bent to be in contact with the circumferential surface of the first branch shell 26 and then pressed and fixed.

In other words, the first branch clamp ring 122 is provided at one end of the first branch shell 26, and attaches a portion of the first branch shield layer 24 of the first branch wire 20 to the first branch shell 26. ) and then press and fix it so that it is in contact with the circumferential surface. At this time, the first branch conductor 22 is exposed to one side of the first branch wire 20 along the axial direction. The first branch clamp ring 122 is made of a material that can conduct electricity and can be modified into various shapes.

Likewise, the second branch clamp ring 124 is provided at one end of the second branch shell 36, and attaches a portion of the second branch shield layer 34 of the second branch wire 30 to the second branch shell 36. Bend it to be in contact with the circumferential surface and then press and fix it. At this time, the second branch conductor 32 is exposed to one side of the second branch wire 30 along the axial direction. The second branch clamp ring 124 is made of a material that can conduct electricity and can be modified into various shapes.

At this time, the main clamp ring 110, the first branch clamp ring 122, and the second branch clamp ring 124 are the corresponding main shell 16, first branch shell 26, and second branch shell 36. At least one main shield layer 14, the first branch shield layer 24, and the second branch shield layer 34 are each bent to contact the upper side of the .

Meanwhile, the connection guide 200 wraps a part of the main wire 10, a part of the first branch wire 20, and a part of the second branch wire 30 at once, and is connected to the corresponding main clamp ring 110. The first branch clamp ring 122 and the second branch clamp ring 124 are electrically connected at the same time.

In detail, the connection guide 200 includes an inner housing 210, a main seating groove 220, a first branch seating groove 232, a second branch seating groove 234, and a shield shell 240.

The inner housing 210 surrounds the main wire 10 and the first branch wire 20 and the second branch wire 30 that are electrically connected to the main wire 10, and is made of an insulating material.

In particular, in a large area where space is secured, the operator clamps the main clamp ring 110 to the main wire 10, clamps the first branch clamp ring 122 to the first branch wire 20, and clamps the first branch clamp ring 122 to the first branch wire 20. After clamping the branch clamp ring 122 to the second branch wire 30, the main conductor 12, the first branch conductor 22, and the second branch conductor 32 are jointed in a relatively narrow space. The assembled inner housing 210 and shield shell 240 can be easily assembled to the main wire 10, the first branch wire 20, and the second branch wire 30.

So, the inner housing 210 includes one side inner housing 211, the other side inner housing 212, and the inner fastening portion 213.

One side inner housing 211 has a lower circumferential surface of the main electric wire 10, a lower circumferential surface of the first branch electric wire 20, a lower circumferential surface of the second branch electric wire 30, and a lower circumferential surface of the main clamp ring 110. surface, and surrounds the lower circumferential surface of the first branch clamp ring 122 and the lower circumferential surface of the second branch clamp ring 124.

And, the other inner housing 212 is located on the upper circumferential surface of the main wire 10, the upper circumferential surface of the first branch electric wire 20, the upper circumferential surface of the second branch electric wire 30, and the main clamp ring 110. It surrounds the upper circumferential surface, the upper circumferential surface of the first branch clamp ring 122, and the upper circumferential surface of the second branch clamp ring 124.

So, a part of the main wire 10 in the axial direction, a part of the first branch wire 20 in the axial direction, a part of the second branch wire 30 in the axial direction, the main clamp ring 110, and the first branch clamp The ring 122 and the second branch clamp ring 124 are surrounded by one inner housing 211 and the other inner housing 212.

In addition, one side of the inner housing 211 and the other side of the inner housing 212 are detachably coupled to each other by an inner fastening portion 213. As a result, one side inner housing 211 and the other side inner housing 212 can be easily assembled in a narrow space such as a vehicle, and the corresponding main clamp ring 110, first branch clamp ring 122, and second branch clamp It is made of an insulator in simultaneous contact with the ring 124.

In particular, the main clamp ring 110 is composed of a pair of a shield clamp and a clamp ring, so that the clamp ring is in contact with the main shield layer 14 on the outer circumferential surface, and the shield clamp is on the outer circumferential surface of the corresponding clamp ring. It can be overlapped and fix the main shield layer (14). In addition, the first branch clamp ring 122 is composed of a pair of a shield clamp and a clamp ring, so that the clamp ring is in contact with the first branch shield layer 24 on the outer peripheral surface, and the shield clamp is a corresponding clamp ring. It is overlapped on the outer peripheral surface of and can fix the first branch shield layer 24. Likewise, the second branch clamp ring 124 is composed of a pair of a shield clamp and a clamp ring, so that the clamp ring is in contact with the second branch shield layer 34 on the outer peripheral surface, and the shield clamp is a corresponding clamp ring. It is overlapped on the outer peripheral surface of and can fix the second branch shield layer 34. That is, the main clamp ring 110, the first branch clamp ring 122, and the second branch clamp ring 124 are each composed of a clamp ring and a shield clamp as a pair.

At this time, the inner binding portion 213 can be applied in various ways, such as a hook connection.

In addition, the main seating groove 220 is recessed in the inner surface of the inner housing 210, especially one of the one side inner housing 211 and the other inner housing 212, to secure the corresponding main clamp ring 110. Accept. Accordingly, the main clamp ring 110 is seated in the main seating groove 220 of the inner housing 210 and is fixed in position.

In addition, the first branch seating groove 232 is recessed in the inner surface of the inner housing 210, especially at least one of the one side inner housing 211 and the other inner housing 212, and forms a depression in the corresponding first branch clamp ring. (122) is accepted. Therefore, the first branch clamp ring 122 is seated in the first branch seating groove 232 of the inner housing 210 and fixed in position.

Likewise, the second branch seating groove portion 234 is recessed in the inner surface of the inner housing 210, especially at least one of one side inner housing 211 and the other inner housing 212, and is formed to form a depression in the corresponding second branch clamp ring. (124) is accepted. Therefore, the second branch clamp ring 124 is seated in the second branch seating groove 234 of the inner housing 210 and is fixed in position.

For convenience, the main seating groove 220, the first branch seating groove 232, and the second branch seating groove 234 are shown as being formed to correspond to one side inner housing 211 and the other inner housing 212, respectively. .

In addition, the shield shell 240 surrounds the inner housing 210 and is made of a conductive material to induce shielding, and includes the main shield layer 14, the first branch shield layer 24, and the second branch shield layer 34. ) to guide the shield.

In particular, the shield shell 240 includes one side shield shell 241 surrounding one side inner housing 211, the other side shield shell 242 surrounding the other side inner housing 212, and one side shield shell 241 and the other shield shell ( It includes a shell binding portion 243 that detachably couples 242).

At this time, the one side shield shell 241 is detachably coupled to the other side shield shell 242 while simply covering the one side inner housing 211, or is detachably coupled to the one side inner housing 211 and then connected to the other side shield shell. It can be separably combined with (242).

Likewise, the other side shield shell 242 is detachably coupled to the one side shield shell 241 while simply covering the other side inner housing 212, or is detachably coupled to the other side inner housing 212 and then connected to the one side shield shell. It can be separably combined with (241).

Of course, the shield shell 240 can be modified into various shapes, and the shell binding portion 243 can be applied in various ways, such as hook coupling.

In addition, at least one of the one side inner housing 211 and the other side inner housing 212 is a conductor seated to accommodate the electrically connected main conductor 12, the first branch conductor 22, and the second branch conductor 32. A groove 214 is formed. Therefore, the conductor seating groove 214 serves to prevent shaking by accommodating the main conductor 12, the first branch conductor 22, and the second branch conductor 32 that are connected to each other.

And, one side inner housing 211 and the other side inner housing 212 are accommodated in the main clamp ring 110, the first branch clamp ring 122, and the second branch clamp ring 124 at the set position, respectively. A main passage 215 is formed connecting the seating groove 220 and the conductor seating groove 214.

In addition, one side inner housing 211 and the other side inner housing 212 are accommodated in the set position with parts of the main clamp ring 110, the first branch clamp ring 122, and the second branch clamp ring 124, respectively. A branch passage 216 is formed to connect the first branch seating groove 232 and the conductor seating groove 214, and the second branch seating groove 234 and the conductor seating groove 214, respectively.

As a result, the main wire 10, the first branch wire 20, and the second branch wire 30 are accommodated in the corresponding main passage 215 and branch passage 216, so that their positions are fixed, shaking is prevented, and the outside The external force pulled is reduced.

In addition, the main shield layer 14 in contact with the main clamp ring 110 must be connected to the shield shell 240 for shielding guidance, and the first branch shield layer in contact with the first branch clamp ring 122 ( 24) must be connected to the shield shell 240 for shield guidance, and the second branch shield layer 34 in contact with the second branch clamp ring 124 must be connected to the shield shell 240 for shield guidance.

To this end, at least one of the one side inner housing 211 and the other side inner housing 212 forms a corresponding inner passage hole 217.

And, one side shield shell 241 and the other side shield shell 242 are inserted into the corresponding inner passage hole 217, and the corresponding main clamp ring 110, first branch clamp ring 122, and second branch A connecting member 247 is formed in contact with the clamp ring 124 or with the corresponding main shield layer 14, the first branch shield layer 24, and the second branch shield layer 34. Of course, the connecting member 247 may be formed in various ways and may be provided to be elastically deformable. Accordingly, the main wire 10, the first branch wire 20, and the second branch wire 30 are shielded and guided by the connecting member 247.

Additionally, one side shield shell 241 and the other side shield shell 242 may be surrounded by a casing 250 for insulation and protection. One or more casings 250 may be provided in the axial direction of the main wire 10. In addition, just as the casing 250 is divided into one side shield shell 241 and the other side shield shell 242, it can be divided into at least two parts and detachably coupled so that the shield shell 240 can be easily wrapped and protected. there is.

Casing 250 can be modified into various shapes.

In addition, the corresponding portion of the casing 250 where the main wire 10, the first branch wire 20, and the second branch wire 30 extend outward is sealed by a sealing member 252. The sealing members 252 are not limited in material, number, and shape.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those skilled in the art will recognize that various modifications and other equivalent embodiments are possible therefrom. You will understand. Therefore, the true technical protection scope of the present invention should be determined by the claims below.

10: Main wire 20: First branch wire
30: Second branch wire 100: Splice joint connector
110: main clamp ring 122: first quarter clamp ring
124: Second branch clamp ring 200: Connection guide
210: Inner housing 211: One side inner housing
212: Other side inner housing 213: Inner binding portion
214: Conductor seating groove 215: Main passage
216: Branch passage 217: Inner passage hall
220: Main seating groove 232: First quarter seating groove
234: Second quarter seating groove 240: Shield shell
241: one side shield shell 242: other side shield shell
243: Shell connection part 250: Casing
252: Sealing member

Claims (6)

A main clamp ring that bends a portion of the main shield layer of the main wire exposing the main conductor at one end of the main shell to be in contact with the circumferential surface of the main shell and then presses and secures it;
It is provided with a plurality of strands, and each branch conductor connected to the main conductor is exposed to the outside of the corresponding branch shell. Part of the branch shield layer of each branch is bent to contact the peripheral surface of the corresponding branch shell, and then pressed. Branch clamp ring to secure; and
It includes a connection guide that wraps the main wire and the plurality of branch wires at once and electrically connects the corresponding main clamp ring and the plurality of branch clamp rings at the same time,
The connection guide unit includes an inner housing that surrounds the main wire and the plurality of branch wires connected to the main wire at once and is made of an insulating material; and
It includes a main seating groove portion that is recessed in the inner surface of the inner housing and secures the position by receiving the main clamp ring,
The inner housing forms a conductor seating groove to accommodate the electrically connected main conductor and the plurality of branch conductors, and forms a main passage connecting the main seating groove and the conductor seating groove. Splice joint connector.
The method of claim 1, wherein the connection information unit,
a branch seating groove portion recessed in the inner surface of the inner housing to secure the position of the branch clamp ring by accommodating it one-to-one; and
A splice joint connector comprising a shield shell that surrounds the inner housing, is made of a conductive material, and guides the shield by contacting the plurality of branch shield layers corresponding to the main shield layer.
According to clause 2,
A splice joint connector, wherein the inner housing forms a branch passage connecting the branch seating groove portion and the conductor seating groove.
According to claim 2 or 3,
The inner housing forms an inner passage hole,
The shield shell, after being inserted into the inner passage hole, is in contact with the corresponding main clamp ring and the branch clamp ring, or forms a connecting member in contact with the corresponding main shield layer and the branch shield layer. Rice joint connector.
According to claim 2 or 3,
The inner housing is divided into one side inner housing and the other side inner housing and surrounds the main wire and the branch wire,
A splice joint connector, wherein the one side inner housing and the other side inner housing are detachably coupled to each other by an inner fastening part.
According to claim 2 or 3,
A splice joint connector, characterized in that the shield shell is surrounded by a casing.

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