KR101076153B1 - Connector having an interlocking system - Google Patents

Abstract

An object of the present invention is to provide a connector with a lock mechanism that, when used in a wire harness, prevents the wires of the bundled harness from being entangled or caught by the lock arm, and does not interfere with the fitting connection with the mating connector. To provide.

It consists of female and male connectors 1 and 2 to be fitted and connected, and a locking portion 25 is provided in one housing 4 and coupled to the locking portion 25 in the other housing 3. In a connector with a lock mechanism in which a lock arm 7 having a locking hook 13 is flexibly provided via a hinge portion 9 which is elastically deformable, a movable portion on the free end side of the lock arm 7 ( The connecting member 11 which can be cut between 10 and the other housing 3 is provided, and by the bending motion of the lock arm 7 at the time of the fitting connection of the female and male connectors 1 and 2. The connecting member 11 is configured to be cut.

Connector, Housing, Engagement, Hinge, Lock Arm, Connecting Element, Engagement Hook

Description

Connector with lock mechanism {CONNECTOR HAVING AN INTERLOCKING SYSTEM}

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a partial vertical side view showing a use state before fitting connection of a female connector and a male connector according to the present invention.

2 is a plan view of a housing of the female connector;

3 is a rear view of the housing of the female connector;

4 is a side view of the housing of the female connector;

5 is a plan view of the male connector;

6 is a side view of the male connector;

Fig. 7 is a plan view showing a state during fitting connection of the female connector and the male connector.

Figure 8 is a side view of Figure 7;

Fig. 9 is a plan view showing a state of completion of fitting connection between the female connector and the male connector.

Figure 10 is a side view of Figure 9;

Fig. 11 is a plan view of a housing of a female connector showing another embodiment of the present invention.

Fig. 12 is a plan view showing a state during fitting connection of the female connector and the male connector.

<Explanation of symbols for the main parts of the drawings>

1: female connector

2: male connector

3: housing of female connector

4: housing of male connector

5: accommodating part

7: lock arm

8: support arm

9: hinge part

10: rear end of lock arm 7

11: connecting member

12: handle

13: hook hook

15: wires

16: socket contact

20: fitting empty space

22: pin contact

25: locking projection

30: printed wiring board                 

41: connecting member

44: bend

The present invention relates to a connector with a lock mechanism for use in wire harnesses.

The lock arm is composed of a male and a female connector to be fitted and connected, and a locking arm is provided in one housing, and a locking arm having a locking hook engaged with the locking part in the other housing is bent through an elastically deformable hinge part. When assembling the wire harness using the connector with the lock mechanism provided, the assembled harness is bundled in plural and managed and conveyed. In that case, there existed a problem that the wire of the bundled harness will enter | enter into the clearance gap of the lock arm of a connector, and will become entangled or caught, and the said lock arm will be deformed.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and it is possible to prevent the wires of the bundled harness from being entangled or caught by the lock arm when used in the wire harness, and further preventing the fitting connection with the mating connector. It is an object to provide a connector with a locking mechanism that is free of charge.

In order to achieve the above object, the present invention consists of a female and male connector for fitting connection, the locking portion is provided in one housing, the lock having a locking hook coupled to the locking portion in the other housing A connector with a lock mechanism in which an arm is flexibly provided through a hinge portion that can be elastically deformed, wherein the connecting member that is cut between the movable portion on the free end side of the lock arm and the housing on the other side is provided. And the connecting member is cut by the bending operation of the lock arm at the time of fitting connection of the male connector.

The specific structure of the connector of this invention consists of a pair of said lock arms, and each lock arm is provided in the hinge part which the front-end part was provided in the front end part of the said other housing so that it can bend outward continuously, and an intermediate part is provided. The connecting member is provided between the rear end of the free end side and the other housing, which is obliquely extended to the outside, and is provided with a handle, and a handle is formed at the rear end, and the female and male connectors are fitted and connected. It is comprised so that the said connection member may be cut | disconnected by the bending operation | movement which the said rear end part of both lock arms approach each other.

In the above configuration, the hinge portion is provided on both sides of the front end portion of the support arm which protrudes to the upper surface of the rear end portion of the other housing and extends to the vicinity of the front end portion.

As a suitable embodiment of the said connection member, it is formed in the shape of a pyramid, such as a square pyramid, the base end is integrally provided in the said lock arm continuously, and a front end part is integrally provided in the said other housing, and it is easy It is configured to be cut.                         

As another embodiment of the connecting member, the connecting member is formed into a long V-shaped strip member in plan view, one end of which is continuously installed on the inner side of the rear end of each lock arm, and the other end of the connecting member is It is also provided on the side of the rear end of the support arm so that the V-shaped bent portion of the connecting member may be cut by a bending operation in which rear ends of the two lock arms approach each other when fitting the female and male connectors. It is possible.

EMBODIMENT OF THE INVENTION Hereinafter, preferred embodiment of this invention is described based on drawing.

Fig. 1 shows a preferred embodiment of a connector with a lock mechanism according to the present invention, wherein the connector consists of a female connector 1 and a male connector 2 to be fit-fitted, and the female connector 1 is used as a wire harness. The male connector 2 is a pin header surface-mounted on the printed wiring board 30. The housing 3 of the female connector 1 and the housing 4 of the male connector 2 are both molded of an insulating resin material such as nylon resin.

As shown in Figs. 1 and 2 to 4, the housing 3 of the female connector 1 separately accommodates the socket contacts (female contacts) 16 which are crimped and connected to the ends of the wires 15, respectively. The plurality of housing portions 5 are provided in a penetrating state in the front-rear direction, and as shown in FIG. 1, the socket contact 16 which is crimped and connected to the end of the electric wire 15 from the rear end opening of the housing portion 5 is shown. The female connector 1 made of a wire harness is formed by inserting and holding and retaining the lance 17 of the socket contact 16 to the locking shoulder 6 protrudingly provided on the inner wall of the receiving portion 5.

On the upper surface side of the housing 3, a pair of lock arms 7 and 7 are provided. Both lock arms 7 and 7 protrude to a central portion of the upper surface of the rear end of the housing 3, and are elastically deformed integrally formed on both sides of the front end of the support arm 8 extending to the front and rear vicinity of the housing 3. It is provided in the hinge part 9, 9 which can be bent continuously. Each of the lock arms 7 is continuously installed on the hinge portion 9 so as to bend outwardly, and the middle portion extends obliquely to the outside rearward and extends to the outside, and the rear end 10 and the housing on the free end side. The connecting member 11 which can be cut | disconnected is provided between the upper surface of (3). The outer surface of the rear end 10 is formed with a handle 12 protruding in the transverse direction. Moreover, the locking hook 13 which protrudes in the horizontal direction is provided in the outer side surface of the intermediate part of each lock arm 7. As shown in FIG. The locking hook 13 is coupled to the locking projection 25 provided in the housing 4 of the male connector 2 described later. The connecting member 11 has a short quadrangular pyramid shape as shown in Figs. 3 and 4, the proximal end is integrally connected to the lower surface of the rear end 10 of the lock arm 7, and the distal end 11a is It is integrally connected to the upper surface of the housing 3 and is easily cutable.

On the other hand, the housing 4 of the male connector 2 is formed in a flat box shape having a fitting empty space portion 20 with an open front face, as shown in Figs. A plurality of pin contacts 22 disposed through the side wall 21 protrude into the fitting void space portion 20, and at the same time, the lead portions 23 of the respective pin contacts 22 are soldered to the printed wiring board 30. (31) The male connector 2 is comprised as the pin header surface-mounted. In addition, the locking projections 25 and 25 to which the locking hooks 13 and 13 provided on the lock arms 7 and 7 of the female connector 1 are coupled to both ends of the upper surface of the front end of the housing 4. ) Is formed integrally with the protrusion.

In the above configuration, the female connector 1 and the male connector 2 insert the front half portion of the housing 3 into the fitting empty space portion 20 of the housing 4 to fit the socket contact 16. And pin contacts 22 are fitted and electrically connected, but the housing 3 is inserted into the fitting void space 20 of the housing 4, and both lock arms 7 and 7 are provided with both locking projections ( When entering between 25 and 25 and the housing 3 is reinserted, the locking hooks 13 and 13 of both lock arms 7 and 7 contact the two locking protrusions 25 and 25, as shown in FIG. As described above, both lock arms 7 and 7 are bent inward with hinge portions 9 and 9 as support points. In conjunction with the bending operation of the two lock arms 7 and 7, both connecting members 11 and 11 are cut at the tip portions 11a and 11a. The force required for this cutting is a little, and it is easily cut only by the bending motion to the inside of both lock arms 7 and 7, and it affects almost the fitting connection work of the female connector 1 and the male connector 2. There is no work.

When the housing 3 is reinserted and advanced, and the fitting connection between the female connector 1 and the male connector 2 is completed, as shown in Figs. 9 and 10, the two passages 25 and 25 pass through each other. Both lock arms 7 and 7 extend outwardly by the elastic restoring force of the hinge portions 9 and 9, and both engaging hooks 13 and 13 engage the both locking projections 25 and 25 so that the housing 3 And the housing 4 are locked.

11 and 12 show another embodiment of the present invention, wherein the connecting member 41 is formed by an elongated stripe member having a V-shape in plan view, and one end portion 42 of the connecting member 41 is formed. Is continuously provided on the rear end inner surface of the lock arm 7, and the other end 43 is continuously provided on the rear end side of the support arm 8. The V-shaped bent portion 44 is cutable.

Thus, as shown in Fig. 12, when fitting the female connector 1 and the male connector 2 to each other, the housing 3 is inserted into the fitting empty space portion 20 of the housing 4, and both locks are inserted. While the arms 7 and 7 enter and pass between the two hooks 25 and 25, both lock arms 7 and 7 bend the hinge portions 9 and 9 to the support points inwardly. Accompanying, the bent portion 44 of the connecting member 41 is cut off.

As described above, according to the present invention, since a connecting member that can be cut is provided between the movable portion on the free end side of the lock arm and the housing, when the harness assembled by using the connector with the lock arm in the wire harness is bundled, It is possible to reliably prevent a problem such that the wire of the harness enters the gap between the lock arm and the housing and is entangled or caught and deforms the lock arm. Moreover, since the said connection member is cut | disconnected by the bending | flexion operation | movement of the said lock arm at the time of fitting connection with a mating connector, there is no possibility that the fitting connection operation may be impaired at all.

Claims (6)

The lock arm is composed of a female type and a male connector to be fit-fitted, and the locking arm is provided in one housing, and the locking arm in the other housing has a locking hook coupled to the locking part so as to be bendable through an elastically deformable hinge part. In the connector with the lock mechanism provided, The connecting member which can be cut | disconnected is provided between the movable part of the free end side of the said lock arm, and the said other housing, and the said connection member is bent by the bending operation of the said lock arm at the time of the fitting connection of the said female and male connector. The connector with a lock mechanism, characterized in that is configured to be cut. 2. The lock arm according to claim 1, wherein the lock arms are formed in pairs, and each lock arm is continuously provided to bend outwardly in the hinge portion provided at the front end portion of the other housing, and at the same time, the middle portion is the outer rear portion. The connecting member which is extended at an angle and is cut between the rear end of the free end side and the housing of the other side, and a handle is formed at the rear end, And a connector with a lock mechanism configured to cut the connecting member by a bending operation in which the rear ends of the two lock arms approach each other when the female and male connectors are fitted to each other. The connector with a lock mechanism according to claim 2, wherein the hinge parts are provided on both sides of the front end portions of the support arms that protrude to the rear end upper surface of the other housing and extend to the vicinity of the front end portion. The said connecting member is formed in the shape of a pyramid, The base end part is integrally and continuously provided in a pair in the said lock arm, and the front end part is provided in the said other housing. A connector with a lock mechanism, which is integrally installed continuously and is configured to be easily cut. 4. The connecting member according to claim 3, wherein the connecting member is formed of a V-shaped elongated band member in plan view, the one end portion of which is continuously provided on the inner side of the rear end of each lock arm, and the other end thereof is the rear end of the support arm. Installed on the side, A connector with a lock mechanism, characterized in that the V-shaped bent portion of the connecting member is cut by a bending operation in which rear ends of the two lock arms approach each other when fitting the female and male connectors. The connector with a lock mechanism according to any one of claims 1, 2, and 3, wherein the other housing has a plurality of accommodation portions that individually space apart and receive contacts that are crimp-connected to the wire ends.

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