KR101462661B1 - Connector assembly - Google Patents

Abstract

The present invention relates to a connector assembly. In the present invention, a terminal receiving portion 14 for receiving the first terminal 30 is formed in the first connector 10. A first lance (26) is provided on one side of the terminal seating part (14). A second connector 50 is coupled to the first connector 10 and a terminal seating portion 58 for seating the second terminal 65 is formed in the second connector 50. In addition, a second lance 60 is provided on one side of the terminal seating portion 58. A double holder 70 is simultaneously coupled to the first connector 10 and the second connector 50 and the double holder 70 supports the first lance 26 and the second lance 60 So that the first lance 26 and the second lance 60 are prevented from being elastically deformed.

According to the present invention, since one double holder is combined with the first connector and the second connector to perform a function, the number of parts of the double holder is reduced, and the number of workings required for coupling between the connectors is reduced.

Connectors, Terminals, Double Holder

Description

Connector assembly

The present invention relates to a connector, and more particularly, to a connector assembly to which a double holder is coupled to prevent deformation of the lance.

Generally, a connector is composed of a connector housing and a terminal, and is widely used for a power supply circuit such as a washing machine, a refrigerator, or an automobile. When these connectors are used in these electric and electronic devices, a plurality of parts can be assembled individually and then inserted into a final product, thereby making it possible to greatly simplify not only device manufacturing but also maintenance work.

1 is a perspective view showing a state where a front holder is coupled to a connector according to a related art.

As shown, the housing 2 has an outer appearance and a skeleton of the connector 1. The housing 2 is made of a synthetic resin material, which is generally an insulator. A lance (not shown) is formed inside the housing 2 to fix a terminal (not shown).

Although not shown in the figure, a through hole is formed in the housing 2 so that the terminal is inserted and fixed. The terminal is made of a conductive metal material and is generally electrically connected to the terminal of the mating connector.

 A front holder 4 is mounted on the front surface of the connector 1. The front holder 4 serves to fix the terminal in the housing 2. That is, by supporting the lance from below, the lance is prevented from sagging so that the terminal can be firmly fixed inside the connector 1. [

However, the above-described conventional techniques have the following problems.

Although only one connector 1 is shown in Fig. 1, a front holder is also mounted to the mating connector to be engaged with the connector 1, like the connector 1. Fig. As described above, when the front holder is attached to each of the connector 1 and the mating connector to which the connector 1 and the mating connector are coupled, the number of working air is increased and the number of parts of the front holder is increased.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a connector assembly having a double holder that can be simultaneously mounted on a connector and a mating connector coupled thereto.

According to an aspect of the present invention for achieving the above object, there is provided a portable terminal including a terminal connector for receiving a first terminal therein, a first connector having a first lance on one side of the terminal connector, ; A second connector coupled to the first connector and having a terminal seating portion for seating a second terminal, and a second lance provided on one side of the terminal seating portion; And a double holder which is coupled to the inside of the first connector and the second connector to support the first lance and the second lance to prevent the first lance and the second lance from being elastically deformed. do.

The double holder includes: a holder body; A first lance support provided at a rear end of the holder body to support the first lance; A second lance supporting part provided at a tip of the holder body to support the second lance; And a locking jaw provided on an upper surface of the holder body to fix the double holder to the first connector.

Wherein the locking jaw comprises: a first locking jaw which is hooked inside the first connector when the double holder is assembled to the first connector; And a second locking jaw which is positioned relatively forward of the first locking jaw and is hooked inside the first connector when the double holder is completely engaged with the first connector.

And a guide rib for guiding the coupling to the first connector is formed along the inserting direction of the double holder at the center of the upper surface of the holder body.

The first locking jaw and the second locking jaw are respectively provided on the upper surface of the holder body corresponding to both side surfaces of the guide rib.

And the first connector is coupled to the seal holder while being mounted on the seal holder, thereby preventing the inflow of moisture into the first connector.

In the present invention, the double holder is coupled to the first connector and the second connector to support the bottom surfaces of the first lance and the second lance provided therein. Since the single double holder is coupled to the first connector and the second connector to perform the function, the number of parts of the double holder is reduced, and the number of operations required for coupling between the connectors is reduced.

Hereinafter, preferred embodiments of a connector assembly according to the present invention will be described in detail with reference to the accompanying drawings.

3 is a perspective view showing a structure of a double holder constituting an embodiment of the present invention. FIG. 5 is a perspective view of the connector assembly shown in FIG. 4B. FIG. FIG.

As shown in these drawings, the connector assembly has two connectors coupled to each other. Hereinafter, the two connectors will be referred to as a first connector 10 and a second connector 50, respectively.

The connector housing (11) forms an outer appearance and a skeleton of the first connector (10). The connector housing 11 is formed in a substantially rectangular parallelepiped shape and is made of an insulating material.

On both sides of the connector housing 11, coupling guide portions 12 are formed to protrude. The coupling protrusion 56 is inserted into the coupling guide 12 to be guided. The coupling guide portion 12 is a portion formed integrally with both side surfaces of the connector housing 11. [

A terminal seating part (14) is formed in the connector housing (11), in which the first terminal (30) is inserted and seated. The terminal seating portion 14 is formed to penetrate the connector housing 11 in the longitudinal direction.

A cover 18 is provided on the upper portion of the connector housing 11. The lid portion 18 is formed to protrude further to one side of the connector housing 11, and is a portion surrounding the coupling lever 20 to be described below. The lid part 18 is formed at a predetermined distance from the upper surface of the connector housing 11.

On the other hand, a coupling lever 20 is provided on one side of the connector housing 11. The coupling lever 20 is for coupling with the second connector 50, which will be described below, and is formed on the upper surface of the connector housing 11. One side of the coupling lever 20 is connected to the connector housing 11 and is elastically deformable around the coupling lever 20.

The coupling lever 20 is formed with a coupling part 22. The fastening part 22 is engaged with the fastening protrusion 52 of the second connector 50 and is fixed. The fastening portion 22 is formed to be positioned between the lid portion 18 and the outer surface of the connector housing 11.

A pressing portion 24 is formed on the coupling lever 20 at a position opposite to the coupling portion 22. The pressing part 24 is provided with both ends of a substantially T shape together with the fastening part 22 so that the front end of the fastening part 22 can be lifted when the pressing part 24 is pressed.

Referring to FIG. 5, a first lance 26 is provided inside the connector housing 11. The first lance 26 is formed on one side of the terminal seating part 14 and has one end connected to the terminal seating part 14. [ Therefore, the first lance 26 can be elastically deformed about one end connected thereto. The first lance 26 serves to fix the first terminal 30 seated in the terminal seating part 14. [ To this end, a hooking protrusion 28 protrudes from the tip of the first lance 26. The hooking jaw 28 is inserted into one side of the first terminal 30 to hang the first terminal 30 in the insertion direction.

Referring again to FIG. 2, a first terminal 30 made of a conductive metal material is inserted into the terminal seating portion 14 of the connector housing 11 and is seated thereon. The first terminal 30 is electrically connected to the second terminal 65, which will be described below. For reference, the first terminal 30 serves as a female terminal.

A second connector (50) is coupled to the first connector (10). The external connector and the skeleton of the second connector 50 are formed by a connector housing 51 made of an insulating material. The connector housing 51 is formed in a shape corresponding to the connector housing 11 of the first connector 10.

A locking protrusion 52 is formed on the upper surface of the connector housing 51. The engaging protrusion 52 is a portion of the first connector 10 which is engaged with the engaging portion 22. A locking rib 54 protrudes from both sides of the upper surface of the connector housing 51 around the locking protrusion 52. The coupling rib 54 is moved from the inside of the lid part 18 of the first connector 10 through the coupling part 22 to guide the coupling step 52 to the coupling part 22 It plays a role.

The connector housing 51 is provided with protrusions 56 on both sides thereof. The engaging projection 56 is a portion that engages with the engaging guide 12 when the connectors 10 and 50 are engaged with each other.

In the connector housing 51, a terminal seating portion 58 is formed in which a second terminal 65 made of a conductive metal is inserted and seated. The terminal seating portion 58 has a circular longitudinal section, and a plurality of the terminal seating portions 58 are regularly arranged. The second terminal 65 serves as a male terminal in the present embodiment.

Referring to FIG. 5, a second lance 60 is provided on the terminal seating portion 58. One end of the second lance (60) is connected to the terminal seating portion (58). Therefore, the second lance 60 can be elastically deformed around one end connected thereto. The second lance 60 serves to fix the second terminal 65 seated in the terminal seating portion 58. To this end, a hooking protrusion 62 protrudes from the tip of the second lance 60. The hooking protrusion 62 is inserted into one side of the second terminal 65 and is hooked to prevent the second terminal 65 from flowing in the insertion direction.

Meanwhile, a double holder 70 is coupled between the first connector 10 and the second connector 50. The double holder 70 is coupled to each of the connectors 10 and 50 and serves to prevent the lances 26 and 60 from being elastically deformed. The configuration of the double holder 70 is well shown in FIG. In the present embodiment, the double holder 70 is formed as one unit and connected to the connectors 10 and 50 so that the double holder 70 functions as a single part.

The external body and skeleton of the double holder 70 are formed by the holder body 72. The holder body 72 is formed in a substantially rectangular parallelepiped shape. A first lance support portion 74 for preventing elastic deformation of the first lance 26 is provided at the rear end of the holder body 72 and a second lance support portion 74 for preventing elastic deformation of the second lance 60 A second lance support 76 is provided. The lance support portions 74 and 76 are formed to correspond to the internal shapes of the connector housings 11 and 51. The lance supports 74 and 76 support the bottom surfaces of the lances 26 and 60 in a state of being engaged with the connectors 10 and 50 as best shown in Fig. 5, whereby the lances 26 and 60 are elastically deformed .

A guide rib 78 protrudes from the center of the upper surface of the double holder 70. The guide ribs 78 guide the movement of the double holder 70 when the double holder 70 is coupled to the first connector 10. That is, the guide ribs 78 are formed to correspond to the shape of the terminal seating portion 14, and are formed long in the inserting direction of the double holder 70.

A first locking jaw 80 is provided at a position corresponding to a side surface of the guide rib 78. The first locking jaw 80 is a portion that is hooked on a hook hook (not shown) provided in the connector housing 11 when the double holder 70 is assembled to the first connector 10. The first locking jaw 80 is formed with an inclined surface 80 'to guide the elastic deformation of the hooking hook.

A second locking jaw 82 is provided on a side surface of the guide rib 78 corresponding to the opposite side of the first locking jaw 80. The second locking protrusion 82 is inserted into the first connector 10 after the first terminal 30 is inserted in a state where the double holder 70 is assembled to the first connector 10 It is the part that hangs when fully engaged. The second locking jaw 82 is also hooked on a hook (not shown) provided inside the connector housing 11. The second locking jaw 82 is formed with an inclined surface 82 'to guide the elastic deformation of the hooking hook. The second locking jaw 82 is formed at a position corresponding to the front side relative to the first locking jaw 80.

A seal holder 90 coupled to the waterproof seal 92 is coupled to the first connector 10. The waterproof seal 92 is coupled to the first connector 10 to prevent moisture from entering the interior.

Hereinafter, the operation of the connector assembly according to the present invention will be described in detail.

First, the process of assembling the connector assembly will be described. 4A and 4B are perspective views illustrating a process of assembling the connector assembly according to the present invention.

As shown in these drawings, the first connector 10 is first engaged with the second connector 50 in a state of being coupled with the double holder 70. The seal holder 90 and the double holder 70 are sequentially coupled to the front of the first connector 10.

The guide ribs 78 guide the movement of the double holder 70 in the process of inserting the double holder 70 into the first connector 10. When the double holder 70 is partially inserted, the first locking protrusion 80 is hooked on a hook (not shown) provided in the connector housing 11. In this state, the first connector 10 and the double holder 70 are assembled together.

The first terminal 30 is inserted into the rear of the first connector 10 in a state where the first connector 10 and the double holder 70 are assembled together. The first terminal 30 is inserted into the terminal seating portion 14 and is seated. The first terminal 30 elastically deforms the first lance 26 in the process of being inserted, so that one side of the first terminal 30 is hooked to the hooking jaw 28. The first lance 26 can be elastically deformed when the double holder 70 is assembled.

In this state, when the double holder 70 is further inserted, the second locking jaw 82 is hooked on the hook (not shown). 5, the first lance support 74 supports the bottom surface of the first lance 26 so that the first lance 26 is prevented from being elastically deformed, Is firmly fixed. In this case, the coupling between the first connector 10 and the double holder 70 is completed.

Next, the first terminal (65) is inserted into the second connector (50). The first terminal (65) is fixed to the second lance (60). In this state, the second connector (50) is coupled to the front of the first connector (10). The second connector 50 is inserted while the engaging projections 56 provided on both sides of the second connector 50 are moved along the engaging guide portion 12. Then, the engaging protrusion 52 is hooked on the engaging portion 22 of the engaging lever 20.

At this time, the second lance supporting portion 76 of the double holder 70 is inserted to support the bottom surface of the second lance 60. Accordingly, the second lance 60 is prevented from being elastically deformed, and the first terminal 65 is firmly fixed to the inside of the second connector 50.

Meanwhile, in order to separate the second connector 50 from the first connector 10, the pressing portion 24 of the coupling lever 20 is pressed to release the engagement between the coupling portion 22 and the engagement protrusion 52 do.

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

1 is a perspective view showing a state where a double holder is coupled to a connector according to a related art.

2 is a perspective view showing a configuration of a preferred embodiment of a connector assembly according to the present invention;

3 is a perspective view showing a configuration of a double holder constituting an embodiment of the present invention.

4A and 4B are perspective views showing a process of assembling a connector assembly according to the present invention.

Fig. 5 is a longitudinal sectional view of the connector assembly shown in Fig. 4b. Fig.

Description of the Related Art [0002]

10: first connector 11: connector housing

12: coupling guide part 14: terminal seating part

18: lid part 20: engaging lever

22: fastening part 24:

26: first lance 28: hook jaw

30: Terminal 50: Second connector

51: connector housing 52:

54: engaging rib 56: engaging projection

58: terminal seating portion 60: second lance

62: Hanging chin 65: Terminal

70: double holder 74: first lance support

76: second lance support 78: guide rib

80: first locking chin 82: second locking chin

90: seal holder 92: waterproof seal

Claims (6)

A first connector having a terminal receiving portion for receiving a first terminal therein and having a first lance at one side of the terminal receiving portion; A second connector coupled to the first connector and having a terminal seating portion for seating a second terminal, and a second lance provided on one side of the terminal seating portion; And a double holder which is coupled to the inside of the first connector and the second connector to support the first lance and the second lance to prevent the first lance and the second lance from being elastically deformed. Connector assembly. The double holder according to claim 1, A holder body; A first lance support provided at a rear end of the holder body to support the first lance; A second lance supporting part provided at a tip of the holder body to support the second lance; And a locking jaw provided on an upper surface of the holder body to fix the double holder to the first connector. 3. The apparatus according to claim 2, A first locking jaw which is hooked inside the first connector when the double holder is assembled to the first connector; And a second locking jaw located relatively forward of the first locking jaw and hooked within the first connector when the double holder is fully engaged with the first connector. The method of claim 3, And a guide rib for guiding engagement with the first connector is formed along the inserting direction of the double holder at the center of the upper surface of the holder body. 5. The method of claim 4, Wherein the first locking jaw and the second locking jaw are respectively provided on the upper surface of the holder body corresponding to both side surfaces of the guide rib. 6. The method according to any one of claims 1 to 5, Wherein the first connector is coupled with the inner seal mounted on the seal holder to prevent the inflow of moisture into the first connector.

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