KR20100011331A - Tab terminal and terminal assembly having this - Google Patents

Abstract

PURPOSE: A bar-shaped tab terminal and a terminal assembly containing the same is provided to simplify a structure of a terminal and to reduce fabrication costs by employing an elastic connector to a tab terminal inserted into a receptacle terminal. CONSTITUTION: A tab body(21) forms skeleton. A plurality of elastic connectors(25) are extended from one end of the tab body and is inserted into a receptacle terminal(10). The elastic connectors are bent so that a part protrudes toward the direction vertical to the direction extended from the tab body. The elastic connectors are bent in the direction different from the adjacent elastic connectors.

Description

Tab terminal and terminal assembly having this

The present invention relates to a terminal, and more particularly, to a terminal assembly comprising a tab terminal formed in a bar shape, and a receptacle terminal corresponding thereto.

The terminal constitutes a connector and is inserted into the housing to be coupled with the terminal of the mating connector to perform electrical connection. These terminals have a female terminal and a corresponding male terminal, which are also referred to as receptacle terminals and tap terminals because of their shape.

1 is a cross-sectional view illustrating a state in which a tab terminal according to the prior art is inserted into a receptacle terminal.

According to this, the receptacle terminal 1 is made of metal and has a body portion 3. The body portion 3 is actually configured integrally with the barrel portion 5 and the coupling box portion 10, which will be described below, and clearly separates the area from the barrel portion 5 and the coupling box portion 10. There is no number.

The rear end of the receptacle terminal 1 is provided with a barrel portion 5 for connection with an electric wire. The barrel 5 is largely divided into a wire barrel 7 and an insulation barrel 8. The wire barrel 7 is compressed to surround the core of the wire to perform electrical connection, and the insulation barrel 8 wraps the sheath of the wire so that the connection between the terminal 1 and the wire is firm.

A coupling box portion 10 is provided at the front end of the body portion 3. The coupling box portion 10 has a rectangular cylindrical shape in which the front and rear sides are opened in the longitudinal direction of the terminal 1. An insertion space 11 into which the tab terminal 15 which is a relative terminal to be described below is inserted is formed inside the coupling box 10.

An elastic piece 12 for electrical contact with the tab terminal 15 is formed in the insertion space 11 of the coupling box part 10. The elastic piece 12 is capable of a predetermined elastic deformation, and provides an elastic restoring force to be in close contact with the inner surface of the corresponding coupling box portion 10 in a state where the tab terminal 15 is inserted into the coupling box portion 10. . The elastic piece 12 is bent toward the inner surface of the coupling box portion 10 from the tip of the coupling box portion 10, the tip is bent in the direction in which the tab terminal 15 is inserted again. That is, part of the elastic piece 12 is bent to serve as a support.

The bead part 13 is formed in the elastic piece 12. The bead portion 13 is formed to protrude from the surface of the elastic piece 12 in contact with the tab terminal. The bead part 13 is in close contact with the tab terminal 15 to make point contact.

The tab terminal 15 is inserted into the receptacle terminal 1 and coupled to each other. The tab terminal 15 is provided with a contact portion 16. The contact portion 16 is formed to extend in the direction in which the tab terminal 15 is inserted. The contact portion 16 is in electrical contact with the elastic piece 12.

A barrel part (not shown) is provided at the tab terminal 15 in a direction opposite to the direction in which the contact part 16 is provided. The barrel portion is a portion to which a wire (not shown) connected to the tab terminal 15 is pressed and fixed.

However, the above-described tap terminal according to the related art has the following problems.

In order to manufacture the receptacle terminal 1, the elastic piece 12 should be bent inside the coupling box portion 10. However, since the coupling box portion 10 of the receptacle terminal 1 is also bent into a box shape, and at the same time, the shape of the elastic piece 12 must be made, the manufacture of the receptacle terminal 1 is not easy. have. In particular, when the size of the receptacle terminal 1 is small, it is difficult to produce such an elastic piece 12 in an accurate shape.

In addition, in order to make the turn piece 12 takes a base material corresponding to the length of the elastic piece 12, the remaining portion except the base material corresponding to the width direction length of the elastic piece 12 is punched out. There is a problem that the waste of the base material is severe.

An object of the present invention is to provide an elastically deformable elastic connection portion in the tab terminal to be inserted into the receptacle terminal to be elastically supported.

According to a feature of the present invention for achieving the above object, the present invention is a tab body portion forming a skeleton, extending from one end of the tab body portion is inserted into the relative receptacle terminal and extending from the tab body portion; It is configured to include an elastic connecting portion which is bent in an orthogonal direction to be elastically deformable.

At least two or more elastic connecting parts are formed to extend in the same direction at least two or more spaced apart from each other at one end by one end of the tab body.

The elastic connecting portion is bent in a different direction from the adjacent elastic connecting portion.

Three elastic connecting parts are formed to extend from the tab body part, and the elastic connecting parts are bent in different directions from other adjacent elastic connecting parts.

At one end of the tab body portion where the elastic connecting portion starts to extend, a hook hole is formed between adjacent elastic connecting portions.

The elastic connecting portion is composed of a first elastic connecting portion and a second elastic connecting portion extending in pairs from the tab body portion, the central portion of the first elastic connecting portion and the second elastic connecting portion in the direction in which the distance between the two It is bent and formed.

A reference portion extending in a direction parallel to the longitudinal direction of the tab body portion is provided between the first elastic connecting portion and the second elastic connecting portion.

According to another feature of the present invention, the present invention is a receptacle body portion, a receptacle terminal including a coupling box portion formed extending from one end of the receptacle body and an insertion space therein, a tab body portion, the tab body A tab terminal including an elastic connection portion extending from one end of the portion and inserted into the coupling box portion of the mating receptacle terminal and bent in a direction orthogonal to the direction extending from the tab body portion to be inserted into the coupling box portion through elastic deformation. It is configured to include.

At least two or more elastic connecting parts are formed to extend in the same direction at least two or more spaced apart from each other at one end by one end of the tab body.

The elastic connecting portion is bent in a different direction from the adjacent elastic connecting portion.

The height between the elastic connecting portion and the curved portion of the adjacent elastic connecting portion is formed to be greater than or equal to the height of the insertion space of the receptacle terminal.

The elastic connecting portion is composed of a first elastic connecting portion and a second elastic connecting portion extending in pairs from the tab body portion, the central portion of the first elastic connecting portion and the second elastic connecting portion in the direction in which the distance between the two It is bent and formed.

The distance between the bent portion formed by bending the first elastic connecting portion and the second elastic connecting portion is greater than or equal to the width of the insertion space of the receptacle terminal.

The engaging box portion of the receptacle terminal is formed to protrude a locking projection.

According to the tab terminal and the terminal assembly including the same according to the present invention can be expected the following effects.

In the present invention, since the elastically deformable elastic connection part is provided in the tab terminal inserted into the receptacle terminal without having to make a complicated shape such as a spring part inside the receptacle terminal, the structure of the terminal is simple and the base material is saved, thereby reducing the manufacturing cost. have.

Further, in the present invention, since a plurality of elastic connecting parts are provided in the tab terminal and bent in different directions with adjacent elastic connecting parts, the tab terminal is supported in both directions in the receptacle terminal and can be firmly fixed. The effect of improving the operation reliability of the assembly can also be expected.

In addition, since the plurality of elastic connection portions of the tab terminal respectively contact the inner surface of the insertion space of the receptacle terminal, the connection portion between the tab terminal and the receptacle terminal is increased, thereby making the electrical connection between the two stable.

Hereinafter, a configuration of a preferred embodiment of a tab terminal and a terminal assembly including the same according to the present invention will be described in detail with reference to the accompanying drawings.

2 is an exploded perspective view showing the configuration of a preferred embodiment of a terminal assembly according to the present invention, Figure 3 is a perspective view of the combined terminal assembly according to the embodiment of the present invention, Figure 4 is an embodiment of the present invention An internal configuration of the example is shown in the main view, and FIG. 5 shows a configuration of a preferred embodiment of the tab terminal according to the present invention in a front view. Hereinafter, the barrel portion of the terminal will be referred to the background art and description thereof will be omitted.

First, the receptacle terminal 10 will be described. The receptacle terminal 10 is formed by punching and bending a conductive metal material in a progressive mold. The receptacle terminal 10 is coupled to the tab terminal 20 to be described below. do. Although not shown, the receptacle terminal 10 is inserted into a separate connector housing and used.

The skeleton of the receptacle terminal 10 is formed by the receptacle body 11. Both ends of the receptacle body 11 are provided with a coupling box 13 and a barrel (not shown), respectively. The coupling box portion 13 is formed in a substantially box shape with both ends open as shown. An insertion space 13 ′ is formed in the coupling box 13, and an elastic connection 25 of the tab terminal 20 to be described below is inserted into the insertion space 13 ′. It is seated.

One side of the coupling box 13 is provided with a locking piece (15). The locking piece 15 prevents misinsertion of the receptacle terminal 10 and at the same time is hooked into the connector housing so that the receptacle terminal 10 is fixed to the connector housing.

A hook protrusion 17 is provided inside the coupling box 13. The hook protrusion 17 protrudes in a substantially hemispherical shape and is inserted into the hook hole 28 of the tab terminal 20 to be described below.

A tab terminal 20 is coupled to the receptacle terminal 10. The tab terminal 20 is made of a conductive metal material to be coupled to the receptacle terminal 10 and electrically connected to each other. In the tab terminal 20, the tab body portion 21 forms a skeleton thereof. And, both ends of the tab body portion 21 is provided with an elastic connecting portion 25 and a barrel (not shown), respectively.

The elastic connector 25 is formed to extend from the one end of the tab body portion 21 to the cantilever shape, and is inserted into the insertion space 13 ′ of the receptacle terminal 10. In this case, as shown in the drawing, a part of the elastic connector 25 is bent to protrude in a direction orthogonal to the direction extending from the tab body portion 21. The elastic connector 25 is inserted while being elastically deformed in the process of being inserted into the insertion space 13 ', and when the elastic connector 25 is completely inserted into the insertion space 13', the receptacle terminal 10 This is to be elastically supported on the ceiling or the floor in the insertion space (13 ').

The elastic connecting portion 25 is preferably formed to extend in the same direction at least two or more spaced apart from each other at a predetermined interval (S) from the tab body portion 21. That is, as shown in Figure 2, the elastic connecting portion 25 is formed in a diverged shape from one tab body portion 21. In the present embodiment, a total of three elastic connecting portions 25 are provided in the tab terminal 20. For convenience of description, separate reference numerals 25a, 25b, and 25c are provided.

In addition, the plurality of elastic connectors 25 are formed by bending in different directions with the adjacent elastic connectors 25. That is, the first elastic connecting portion 25a and the second elastic connecting portion 25b are bent in different directions, and the second elastic connecting portion 25b and the third elastic connecting portion 25c are also bent in different directions. Accordingly, the first elastic connecting portion 25a and the third elastic connecting portion 25c are bent in the same direction. Reference numerals 26 and 27 denote front ends and rear ends, respectively, based on the curved portions A and B protruding from the elastic connecting portions 25, respectively.

At this time, the distance (H1) of the most protruding curved portion (A, B) of the bent portion of the adjacent elastic connecting portion 25 is the height of the insertion space (13 ') of the receptacle terminal 10 It is preferably formed larger than or equal to H1) of FIG. 4. This is to allow the curved portions of the elastic connecting portion 25 to be elastically supported in contact with the ceiling surface and the bottom surface of the insertion space 13 ', respectively.

A chamfer 27 'is formed at the front end of the elastic connecting portion 25. The chamfer 27 ′ allows the elastic connector 25 to be easily inserted into the insertion space 13 ′.

At one end of the tab body portion 21 where the elastic connector 25 begins to extend, a hook hole 28 is formed between the elastic connector 25 adjacent to each other. The hook hole 28 is hooked to the hook protrusion 17 of the receptacle terminal 10 so that the tab terminal 20 can be more firmly coupled with the receptacle terminal 10.

6 shows another embodiment of a tap terminal according to the present invention. Hereinafter, only different parts from the above-described embodiment will be described.

As shown, the tab body portion 121 is connected to the elastic connection portion 125, the elastic connection portion 125 is formed to extend in parallel with each other at a predetermined interval in total. The two elastic connecting portions 125 are bent in different directions, respectively.

Figure 7 shows another embodiment of a tap terminal according to the present invention. Hereinafter, only different parts from the above-described embodiment will be described.

As shown, the tab body portion 221 is connected to the elastic connecting portion 225, the elastic connecting portion 225 and the first elastic connecting portion 225a extending in pairs from the tab body portion 221 and the first Consists of two elastic connecting portion 225b, the central portion of the first elastic connecting portion 225a and the second elastic connecting portion 225b is bent to form a distance between the two. Accordingly, when the tab terminal 220 is inserted into the insertion space 13 ′ of the receptacle terminal 10, the first elastic connecting portion 225a and the second elastic connecting portion 225b are elastically deformed in a direction closer to each other. It is elastically supported on both sides of the space 13 '.

A reference portion 228 extending in the longitudinal direction of the tab body portion 221 is provided between the first elastic connecting portion 225a and the second elastic connecting portion 225b, and the reference portion 228 may be omitted. have.

Hereinafter, the operation of the tab terminal and the terminal assembly including the same according to the present invention will be described in detail with reference to the accompanying drawings.

First, referring to a process in which the tab terminal 20 and the receptacle terminal 10 are coupled to each other, the worker grips the tab terminal 20 and moves toward the insertion space 13 ′ of the receptacle terminal 10. At this time, the tab terminal 20 and the receptacle terminal 10 should be closer to each other while the front end of the elastic connector 25 of the tab terminal 20 faces the insertion space 13 '.

When the elastic connecting portion 25 of the tab terminal 20 is inserted into the insertion space 13 ', the curved portion of the elastic connecting portion 25 is in contact with the ceiling and the bottom of the insertion space 13', such as When the operator pushes the elastic connector 25 of the tab terminal 20 into the insertion space 13 ′ while overcoming the elastic force of the elastic connector 25, the elastic connector 25 is the tab body 21. It is inserted into the insertion space 13 'while being unfolded to some extent in parallel with).

As such, when the elastic connector 25 is completely inserted into the insertion space 13 ′, the elastic connector 25 is seated in the insertion space 13 ′ in an elastically deformed state, and thus, the insertion space 13 ′. It is elastically supported therein and may be firmly coupled to the receptacle terminal 10.

More precisely, as shown in FIG. 4, since the three elastic connecting portions 25 respectively contact the inner surface of the insertion space 13 ′, the tab terminal 20 and the receptacle terminal 10 are connected in three parts. . Accordingly, the electrical connection between the tap terminal 20 and the receptacle terminal 10 can be made more stable.

On the other hand, when the elastic connector 25 is completely inserted into the insertion space (13 '), the hook protrusion 17 of the receptacle terminal 10 is inserted into the hook hole 28 of the tab terminal 20, the operator The hook protrusion 17 can be seen whether the tap terminal 20 and the receptacle terminal 10 is coupled to the feeling of the moment when the hook hole 28, the hook protrusion 17 and the hook hole 28 ), The physical coupling force of the tap terminal 20 and the receptacle terminal 10 may be greater.

The scope of the present invention is not limited to the embodiments described above, but is defined by the claims, and various changes and modifications can be made by those skilled in the art within the scope of the claims. It is self evident.

In the above embodiment, the elastic connecting portion 25 has been described as having two or three as an example, but is not necessarily limited thereto, the elastic connecting portion 25 is provided with only one in one tab body portion 21 4 or more may be provided.

In the above-described embodiment, the elastic connector 25 is bent once, but the elastic connector 25 may be bent two or more times to form two or more curved parts.

1 is a cross-sectional view showing the configuration of a terminal assembly according to the prior art.

Figure 2 is an exploded perspective view showing the configuration of a preferred embodiment of a terminal assembly according to the present invention.

Figure 3 is a perspective view showing a state in which the terminal assembly is coupled according to an embodiment of the present invention.

Figure 4 is a perspective view showing the internal configuration of the embodiment of the present invention.

Figure 5 is a front view showing the configuration of a preferred embodiment of the tab terminal according to the present invention.

Figure 6 is a perspective view showing the configuration of another embodiment of a tab terminal according to the present invention.

Figure 7 is a perspective view showing the configuration of another embodiment of a tab terminal according to the present invention.

Explanation of symbols on the main parts of the drawings

10: Receptacle Terminal 11: Receptacle Body

13: coupling box 13 ': insertion space

15: Hanging piece 17: Hanging hook

20: tap terminal 21: tap body

25: elastic connection 28: hook hole

Claims (16)

Tab body forming the skeleton, A tab terminal including a plurality of elastic connection parts extending from one end of the tab body part and inserted into a mating receptacle terminal and bent to protrude in a direction orthogonal to the direction extending from the tab body part to be elastically deformable . The tab terminal of claim 1, wherein at least two or more elastic connection parts are formed in one end from the one end of the tab body part and extend in the same direction at regular intervals. The tab terminal as claimed in claim 1 or 2, wherein the elastic connector is bent in a different direction from the adjacent elastic connector. The tab terminal of claim 3, wherein the elastic connector is bent at least two times to form two or more curved portions. The tab terminal of claim 4, wherein three elastic connecting parts extend from the tab body part, and the elastic connecting parts are bent in different directions from other adjacent elastic connecting parts. The tab terminal of claim 5, wherein a hook hole is formed at one end of the tab body portion in which the elastic connecting portion starts to extend. The method of claim 1, wherein the elastic connecting portion is composed of a first elastic connecting portion and a second elastic connecting portion extending in pairs from the tab body portion, the central portion of the first elastic connecting portion and the second elastic connecting portion between the two Tap terminal, characterized in that formed in the direction away from each other. The tab terminal of claim 7, wherein a reference portion extends in a direction parallel to a length direction of the tab body portion between the first elastic connecting portion and the second elastic connecting portion. A receptacle terminal including a receptacle body portion, a coupling box portion extending from one end of the receptacle body and having an insertion space formed therein; The tab body portion, and extending from one end of the tab body portion is inserted into the coupling box portion of the mating receptacle terminal and bent so as to protrude in a direction orthogonal to the direction extending from the tab body portion, the coupling box portion through the elastic deformation Terminal assembly comprising a tab terminal having an elastic connection inserted into the interior. The terminal assembly of claim 9, wherein at least two or more elastic connecting parts extend in the same direction at least two or more from one end of the tab body part. The terminal assembly of claim 10, wherein the elastic connector is bent in a different direction from the adjacent elastic connector. According to any one of claims 9 to 11, wherein the height between the elastic connecting portion and the curved portion of the adjacent elastic connecting portion from the curved portion formed by bending the elastic connecting portion is formed equal to or greater than the height of the insertion space of the receptacle terminal. Terminal assembly, characterized in that. The method of claim 12, wherein the elastic connecting portion is composed of a first elastic connecting portion and a second elastic connecting portion extending in pairs from the tab body portion, the central portion of the first elastic connecting portion and the second elastic connecting portion between the two Terminal assembly, characterized in that formed in the direction away from each other. The terminal assembly of claim 13, wherein a distance between the bent portion formed by bending the first elastic connecting portion and the second elastic connecting portion is greater than or equal to the width of the insertion space of the receptacle terminal. 15. The terminal assembly of claim 14, wherein the engaging box portion of the receptacle terminal protrudes from the engaging box. 12. The method of claim 11, characterized in that the hook hole is formed between the elastic connection portion adjacent to each other at one end of the tab body portion from which the elastic connection portion begins to extend, and the receptacle terminal protrudes a hook protrusion corresponding to the hook hole. Terminal assembly.

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