KR100882048B1 - Connector with high current capability - Google Patents

Abstract

The present invention relates to a large capacity connector.

The present invention provides a large-capacity connector comprising a connection terminal electrically connected to a cable and a connector housing provided to accommodate the connection terminal drawn in from the outside, wherein the connection terminal is electrically connected to the cable. Cable connection portion formed with a fixing member receiving portion on the outer surface; And a terminal head extending from the cable connecting portion, wherein the inside of the connector housing penetrates the terminal head drawn from the outside, accommodates the cable connecting portion drawn from the outside, and has a fixing member seating portion formed on an outer surface thereof. A cage provided to perform a linear reciprocating motion along the retraction direction of the connection terminal together with the received cable connection portion; And it is provided so as to perform a linear reciprocating movement with the cage, and is fixed to the cable connecting portion and the cage by being inserted into the fixing member receiving portion through the fixing member seating portion during the linear reciprocating movement, And a fixing member which is drawn out from the fixing member accommodation portion to terminate the coupling between the cable connection portion and the cage.

Connector, Large Capacity, Terminals, Circular

Description

High Capacity Connector {Connector with high current capability}

The following drawings attached to this specification are illustrative of preferred embodiments of the present invention, and together with the detailed description of the invention to serve to further understand the technical spirit of the present invention, the present invention is a matter described in such drawings It should not be construed as limited to.

1 is a view showing a connector having a flat connection terminal according to the prior art.

2 is a view showing a connector having a cylindrical connecting terminal according to the prior art.

3 is a cross-sectional view showing a cross section of a large capacity connector according to a preferred embodiment of the present invention.

4 is a perspective view of a cage provided in a large capacity connector according to an embodiment of the present invention.

5 is a perspective view of a connection terminal provided in a large capacity connector according to an embodiment of the present invention.

6A and 6B are cross-sectional views sequentially illustrating a coupling process of a large capacity connector according to an exemplary embodiment of the present invention.

<Description of main reference numerals in the drawings>

100 ... cable 110 ... connector housing

111 Cable receiver 112 Fixing member moving part

120 fixing member 130 cage

131 ... side wall 132 ... cap

133 Seating groove 140 Connection terminal

141 Cable connection 142 Terminal head

143.Fixing member receptacle

The present invention relates to a large capacity connector, and more particularly, to a large capacity connector having a structure capable of stably maintaining the coupling of the connection terminal and the housing.

Recently, with increasing interest in energy efficiency and eco-friendliness, the development of automobiles or hybrid vehicles using fuel cells is increasing. These cars have a lot of devices using high voltage or high current, and the capacity of the connector or cable used inside increases.

Meanwhile, the conventional connector has a flat plate-shaped connecting terminal as shown in FIG. 1. The connector forms a lance structure (3) capable of elastic deformation in the connector housing (1), the plate-shaped connecting terminal (5) for receiving the projection (4) provided in the lance structure (3) 6) is provided. By inserting the plate-shaped connecting terminal 5 into the connector housing 1, the lance structure 3 is elastically deformed so that the projection 4 is mounted on the groove 6 and the plate-shaped connecting terminal 5 is connected to the connector housing 1. It is fixed to).

The connector having such a plate-shaped connecting terminal has a rigid engagement form because of its flat fixing surface. However, since the current allowable capacity is not large, it is difficult to use as a connector for connecting a cable carrying a large current.

The connector used for connecting a large current-carrying cable adopts a connection terminal having a large size and a cylindrical structure in consideration of electrical characteristics.

2 is a view showing a connector having a cylindrical connecting terminal according to the prior art.

The connector having a cylindrical connecting terminal forms a space in the connector housing 11 to accommodate the cylindrical connecting terminal 13 and inserts and fixes the cylindrical connecting terminal 13 to which the cable is connected. .

Here, since the outer peripheral surface of the cylindrical connecting terminal 13 is made of a curved surface, it is difficult to engage the cylindrical connecting terminal 13 to the connector housing 11 by adopting a conventional lance structure. As a result, a method of permanently attaching to the connector housing 11 itself by applying an adhesive to a cylindrical connection terminal 13 local part was used.

However, when the cylindrical connecting terminal 13 and the connector housing 11 are bonded using an adhesive, a problem arises in that the cylindrical connecting terminal 13 and the connector housing 11 cannot be disassembled again. In addition, when heat or various vibrations are continuously applied to the connector, the adhesive deteriorates and the force for fixing over time is reduced, resulting in a problem that the cylindrical connection terminal 13 and the connector housing 11 are separated.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide a large capacity connector having a structure in which the coupling between the housing and the connection terminal can be stably maintained and easily separated as necessary.

In order to achieve the above object, the high capacity connector according to the present invention is a high capacity connector including a connection terminal electrically connected to a cable, and a connector housing provided to accommodate the connection terminal drawn in from the outside. The connection terminal is connected to the cable electrically, the cable connection portion formed with a fixing member receiving portion on the outer surface; And a terminal head extending from the cable connecting portion, wherein the inside of the connector housing penetrates the terminal head drawn from the outside, accommodates the cable connecting portion drawn from the outside, and has a fixing member seating portion formed on an outer surface thereof. A cage provided to perform a linear reciprocating motion along the retraction direction of the connection terminal together with the received cable connection portion; And it is provided so as to perform a linear reciprocating movement with the cage, and is fixed to the cable connecting portion and the cage by being inserted into the fixing member receiving portion through the fixing member seating portion during the linear reciprocating movement, And a fixing member which is drawn out from the fixing member accommodation portion to terminate the coupling between the cable connection portion and the cage.

Preferably the insertion of the holding member into the holding member receiving portion is performed by being pressed by the holding member moving portion while the holding member passes through the holding member moving portion provided in the connector housing.

Preferably, the fixing member is made of a ball, the fixing member seating portion is made of a hole (hole), the hole is formed to a size capable of pulling in and out of the ball.
Preferably, one end of the cage is formed of a cap provided to intersect the side wall along the outer circumferential surface of the cage and to penetrate the terminal head, wherein the cage presses the inner surface of the cap. When it moves, it moves along the entry direction of the connection terminal.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

3 is a cross-sectional view showing a cross section of a large capacity connector according to a preferred embodiment of the present invention, Figure 4 is a perspective view of a cage provided in the large capacity connector according to a preferred embodiment of the present invention, Figure 5 is a preferred embodiment of the present invention A perspective view of a connection terminal provided in a large capacity connector according to an example.

3 to 5, the large capacity connector according to the exemplary embodiment of the present invention includes a connector housing 110, a fixing member 120, a cage 130, and a connection terminal 140.

The connector housing 110 forms a space for accommodating a cable and a component included in the connector therein, and is formed to maintain engagement with a corresponding connector (eg, a female connector). The connector housing 110 has a fixing member that provides a path for changing and fixing the position of the cable receiving portion 111 and the fixing member 120 to accommodate the cable 100 and the portion where the cable 100 is coupled to the connection terminal. The moving part 112 is provided.

The fixing member 120 may have a ball or ring shape, and may be inserted into a groove or a hole provided in the cage 130 and the connection terminal 140 and along the fixing member moving part 112 provided in the connector housing 110. It is enough to move around. In addition, although the fixing member 120 is illustrated as having a ball or ring shape, the present invention is not limited thereto, and those belonging to the technical field of the present invention may be variously modified.

The cage 130 is a cylinder having a hollow through which the connection terminal can pass, and has a cap 132 formed along one side wall 131 of the cylinder and intersecting the side wall 131 at one end (FIG. 4). Reference). The cap 132 has a donut shape in which a hole having a size that can penetrate the terminal head portion of the connection terminal is formed. In addition, the side wall 131 of the cage 130 is provided with a mounting groove 133 on which the fixing member 120 can be mounted. As the cage 130 moves in the fixing member moving part 112 of the connector housing 110, the seating groove 133 may move the fixing member 120 vertically (inside of the cylinder or outside of the cylinder). Provide the path.

The connection terminal 140 includes a cable connection portion 141 to which the cable 100 is integrally connected and a terminal head 142 continuously connected to the cable connection portion 141 (see FIG. 5). The cable connection part 141 is inserted into the cage 130 and installed, and the outer diameter thereof is formed to have a size corresponding to the inner diameter of the cage 130. That is, when the cable connecting portion 141 is completely inserted into the cage 130, the cap 132 of the cage 130 and the cable connecting portion 141 directly contact each other.

In addition, the connection terminal 140 is formed in one portion of the cable connection portion 141, and includes a fixing member receiving portion 143 forming an outer diameter of a size smaller than the outer diameter of the other portion of the cable connection portion 141. . The fixing member accommodating part 143 is provided between the cable connecting part 141 and the terminal head 142, and the connecting member 140 is completely inserted into the cage 130, and the fixing member of the cage 130 is fixed. It is provided at a position corresponding to the seating groove 133.

Hereinafter, the coupling process of the large capacity connector according to the embodiment of the present invention will be described with reference to the above-described components, FIGS. 6A and 6B.

First, the cable 100 is inserted into and connected to the cable connecting portion 141 of the connecting terminal 140. Then, the connection terminal 140 to which the cable 100 is connected is inserted into the connector housing 110 in which the fixing member 120 and the cage 130 are mounted, and the terminal head 142 of the connection terminal 140 is inserted. To the space formed inside the cage 130, so that the terminal head 142 passes through the hole formed in the cap 132 of the cage 130 (see Fig. 3).

When the terminal head 142 continuously moves through the hole formed in the cap 132, the cable connecting portion 141 of the connecting terminal 140 and the cap 132 of the cage 130 come into contact with each other. Entry of the connection terminal 140 is restricted. At this time, the fixing member receiving portion 143 provided in the connection terminal 140 is present in a position corresponding to the position formed in the seating groove 133 of the cage 130 (see Fig. 6a).

Subsequently, when the cable 100 is connected to the connection terminal 140 connected, the fixing member 120 is seated groove 133 of the cage 130 by the fixing member moving part 112 provided in the connector housing 110. ) Is pushed into the space formed in the fixing member receiving portion 143 of the connection terminal 140. Then, the cage 130 is pushed into the fixing groove 133 of the cage 130 and the fixing member receiving portion 143 of the contact terminal 140, the cage 130 of the connector housing 110 It moves continuously in the stationary member moving part 112. When the fixing member 120 moves to the end of the fixing member moving part 112 of the connector housing 110, the fixing member 120 is caught by the end of the fixing member moving part 112 and cannot move any more, and the state To be fixed (see FIG. 6B).

Further, if the cap 132 portion of the cage 130 is pushed in the opposite direction of the coupling direction, the cage 130 is moved in the reverse order to the coupling process. Therefore, if necessary, the coupling between the connection terminal and the connector housing can be easily released.

With the large capacity connector according to the present invention, as described above, it is only necessary to push the connection terminal to which the cable is connected into the connector housing. Therefore, the connection terminal can be easily fixed to the connector housing.

Although the present invention has been described above by means of limited embodiments and drawings, the present invention is not limited thereto and will be described below by the person skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of the claims.

According to the large capacity connector of the present invention, the coupling between the housing and the connecting terminal can be stably maintained, and the internal structure of the housing can be simply formed.

In addition, if necessary, the coupling between the housing and the connection terminal can be released through a simple operation.

Claims (4)

A large capacity connector including a connection terminal electrically connected to a cable, and a connector housing provided to accommodate the connection terminal drawn in from the outside. The connection terminal, A cable connecting portion electrically connected to the cable and having a fixing member receiving portion formed on an outer surface thereof; And And a terminal head extending from the cable connection part. Inside the connector housing, Penetrating the terminal head drawn from the outside, receiving the cable connecting portion drawn from the outside, a fixing member seating portion is formed on the outer surface, and performs a linear reciprocating motion along the entry direction of the connection terminal with the received cable connection portion A cage provided to allow; And It is provided to perform a linear reciprocating movement with the cage, and is fixed to the cable connecting portion and the cage by being inserted into the fixing member receiving portion through the fixing member seating portion during the linear reciprocating movement, And a fixing member which is disengaged from the fixing member accommodating part to release the connection between the cable connection part and the cage. The method of claim 1, Insertion of the holding member into the holding member receiving portion is a large capacity connector, characterized in that the pressing by the holding member moving portion while passing through the holding member moving portion provided in the connector housing. The method of claim 1, The fixing member is made of a ball, the fixing member seating portion is made of a hole (hole), the hole is a large-capacity connector, characterized in that formed in the size capable of drawing in and out of the ball. The method of claim 1, One end of the cage is formed of a cap provided to intersect the side wall along the outer circumferential surface of the cage and to penetrate the terminal head, wherein the cage is provided when the cable connection presses the inner surface of the cap. The high capacity connector, characterized in that to move along the entry direction of the connection terminal.

Images