JPH0559765U - connector - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent the connector from being disengaged or the connector terminals from being improperly connected when the operating lever is operated to the lock position by mistake. [Structure] Rotating the operating lever 8 to the lock position while engaging the engaging portion 12 of the lock lever 10 with the engaging portion 13 of the male connector 3 with the male connector 3 fitted. Is configured to lock the fitted state of the female connector 1 and the male connector 3, and when the operating lever 8 is rotated to the lock position while the male connector 3 is not fitted, The lock lever 10 is configured to prevent the insertion and fitting of the male connector 3 by allowing the tip end portion of the lock lever 10 to project into the female connector 1 through the opening 21 of the female connector 1.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a connector configured to connect a terminal of a female connector and a terminal of a male connector by inserting and fitting a male connector into a female connector.

[0002]

[Prior Art]

 As an example of this type of connector, there is a configuration described in Japanese Utility Model Publication No. 3-23672. In this configuration, the operation lever is rotatably provided on the outer surface of the side wall portion of the female connector along the fitting direction, and the fitting arm is rotatably provided at an intermediate portion of the operation lever. An engaging portion is formed at a tip portion of the fitting arm so as to engage with a locking portion provided on an outer surface of a side wall portion of the male connector.

In the above structure, the male connector is inserted into the female connector to be fitted, and the engaging portion of the fitting arm is engaged with the engaging portion of the male connector, and then the operation lever is moved to the locked position. That is, the fitting state of the female connector and the male connector is locked by rotating the female connector to the rear side.

In the case of this configuration, since the locking of both connectors in the fitted state is performed by the operation lever and the fitting arm, the fitting operation force for inserting and fitting both connectors should be set small. You can Therefore, the operability at the time of fitting the both connectors is improved, and the locked state of the fitted state becomes reliable.

To release the lock, the operation lever is pivoted to the unlocked position, that is, to the front side of the female connector, so that the engaging portion of the fitting arm and the engaging portion of the male connector are locked. It suffices to release the engagement. Therefore, the operation for releasing the lock is also easy.

[0006]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention Here, consider a case where the operating lever is erroneously rotated to the lock position while the male connector is not inserted and fitted in the female connector. Even in such a case, in the above conventional configuration, the male connector can be inserted and fitted into the female connector. However, since the engaging portion of the fitting arm and the locking portion of the male connector do not engage with each other, the fitted state of both connectors is not locked. For this reason, there is a risk that the connectors will be disengaged or the terminals of both connectors will be incompletely connected.

Therefore, an object of the present invention is to insert the male connector into the female connector when the operating lever is accidentally turned to the lock position while the male connector is not fitted. (EN) Provided is a connector capable of preventing the mating of both connectors and preventing the terminals of both connectors from being incompletely connected.

[0008]

[Means for Solving the Problems]

 The connector of the present invention is configured to connect the terminals of the female connector and the terminals of the male connector by inserting and fitting the male connector into the female connector, wherein the female connector The connector includes an operation lever rotatably provided along the fitting direction, a base end portion rotatably provided at an intermediate portion of the operation lever, and a distal end portion provided on the male connector. A lock lever having an engaging portion that engages with the locking portion, and a biasing member that biases the lock lever to rotate toward the center of rotation of the operating lever. An opening portion provided in the side wall portion of the mold connector in the vicinity of the center of rotation of the operation lever; and, with the male connector fitted, the engagement portion of the lock lever is connected to the male mold. Connector locking part The engaging state of the female connector and the male connector is locked by rotating the operating lever to the lock position while engaging the male connector. When the operation lever is rotated to the lock position in the state where the male connector is not inserted, the tip end of the lock lever projects into the female connector through the opening. It is characterized in that it is configured so as to prevent union.

[0009]

[Action]

 According to the above means, the opening is provided near the rotation center side of the operation lever in the side wall of the female connector, and the lock lever is rotated toward the rotation center side of the operation lever by the biasing member. Since the urging force is applied, when the operating lever is rotated to the lock position without the male connector fitted, the tip of the lock lever projects through the opening into the female connector. Like As a result, even if the male connector is inserted into the female connector, the insertion of the male connector into the female connector is blocked by the tip portion of the lock lever. As a result, when the operating lever is erroneously rotated to the lock position, the male connector cannot be inserted and mated, so that the mating of both connectors comes off or the terminals of both connectors become incomplete. You will be able to prevent sickness in advance.

[0010]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. First, in FIG. 1, the female connector 1 is composed of a connector housing 2 which is substantially rectangular as a whole. A fitting opening 4 for inserting and fitting the male connector 3 is formed on the front end side of the connector housing 2 in FIG.

A groove-shaped recess 5 is formed in the upper surface of the connector housing 2 along the fitting direction. A plurality of terminals (not shown) are arranged in the connector housing 2.

The male connector 3 is composed of a connector housing 6 having a substantially rectangular shape as a whole. A groove-shaped recess 7 is formed on the upper surface of the connector housing 6 along the fitting direction. A plurality of terminals (not shown) are provided in the connector housing 6.

On the concave portion 5 of the female connector 1, for example, a substantially rectangular plate-shaped operation lever 8 is provided so as to be rotatable along the fitting direction. Specifically, the base end portion 8a of the operation lever 8 is pivotally supported about a shaft 9 as a rotation center (see FIG. 2). The operation lever 8 is rotated to the front side of the female connector 1 in the unlocked position (see FIG. 2) and to the rear side of the female connector 1 in the locked position. (See FIG. 4), the rotary operation is possible.

In this case, a return spring (not shown) is arranged between the base end portion 8 a of the operation lever 8 and the shaft 9. The return spring urges the operation lever 8 to rotate in the clockwise direction in FIG. 2, that is, toward the unlock position.

Further, a lock lever 10 is provided at a part of the intermediate portion of the operation lever 8 on the side of the rotation center so as to be rotatable around the shaft portion 11 as the rotation center. The lock lever 10 is formed of, for example, a wire in a substantially U-shape, and is formed by bending so that the shaft portion 11 faces both end portions on the base end side. The tip portion of the lock lever 10 constitutes an engaging portion 12. A return spring (not shown), which is an urging member, is disposed between the shaft portion 11 of the lock lever 10 and the operation lever 8. The return spring urges the lock lever 10 to rotate toward the center of rotation of the operation lever 8, that is, toward the clockwise direction in FIG.

On the other hand, a locking portion 13 with which the engaging portion 12 of the lock lever 10 engages is provided on the right end side of the concave portion 7 of the male connector 3. The locking portion 13 is composed of three convex portions 14, 15 and 16 projectingly provided on the concave portion 7. In this case, one convex portion 14 on the left side and two convex portions on the right side are provided. They are facing each other such that 15 and 16 pass each other. As shown in FIG. 2, recesses for fitting the engaging portions 12 of the lock lever 10 are formed on the opposing surfaces of the protrusions 14, 15 and 16, respectively. The engaging portion 12 is configured to fit between the portions 15 and 16.

Further, on the tip end 8b side of the operating lever 8, an operating portion 17 for hanging fingers is provided. The operating portion 17 is formed by bending the end portion 8b side of the operating lever 8 into a substantially U-shaped cross section. A fitting concave portion 18 is formed on the lower surface side of the operation portion 17 in FIGS. 4 and 5.

On the other hand, at the left end of the recess 5 of the female connector 1, a fitting portion 19 for fitting the fitting recess 18 of the operating lever 8 is installed between both side walls of the recess 5. It is provided. In this case, as shown in FIG. 4, when the operation lever 8 is rotated to the lock position, the fitting recess 18 of the operation lever 8 is fitted into the fitting portion 19, and the operation lever 8 is moved to the lock position. Is configured to be retained.

Further, as shown in FIG. 2, an opening 21 is provided in the vicinity of the center of rotation of the operation lever 8 in the bottom wall portion 20 of the recess 5 of the female connector 1, particularly on the right side. There is. As shown in FIG. 1, the right side edge portion of the opening portion 21 is slightly narrowed, and receiving portions 22 and 22 for receiving and guiding the engaging portion 12 of the lock lever 10 are formed. .. In this case, when the male connector 3 is inserted and fitted into the female connector 1, the locking portion 13 of the male connector 3 is arranged in the opening 21 of the female connector 1.

Next, the operation of the above configuration will be described with reference to FIGS. 3 and 6. First, the case where the male connector 3 is inserted and fitted into the female connector 1 will be described. In this case, as shown in FIG. 2, the operating lever 8 is rotated to the unlocked position. This state is maintained by the spring force of the return spring of the operating lever 8 and the return spring of the lock lever 10. In the above state, as shown in FIG. 3, the left end portion of the male connector 3 is inserted into the female connector 1 through the fitting opening portion 4 and fitted therein, and the engaging portion of the lock lever 10 is fitted. 12 is engaged between the convex portions 14 to 16 of the locking portion 13 of the male connector 3.

In this case, since the lock lever 10 is urged to rotate clockwise by the return spring, the engaging portion 12 of the lock lever 10 is engaged with the engaging portion 13 of the male connector 3 by this turning force. It will be securely engaged and held.

Then, as shown in FIG. 4, when the operation lever 8 is rotated to the lock position, the lock lever 10 pulls the male connector 3 into the female connector 1. As a result, the fitting state of the female connector 1 and the male connector 3 is locked. Here, when the operating lever 8 is rotated to the lock position, the fitting recess 18 of the operating lever 8 is fitted into the fitting portion 19 of the female connector 1 as shown in FIG. The operation lever 8 is held in the lock position. The plurality of terminals in the female connector 1 and the plurality of terminals in the male connector 3 are connected to each other with the female connector 1 and the male connector 3 fitted together. ..

Now, when the operation lever 8 is rotated to the lock position while the male connector 3 is not inserted and fitted in the female connector 1, as shown in FIG. The lock lever 10 is rotated clockwise by the spring force, and the tip of the lock lever 10 projects into the female connector 1 through the opening 21 of the female connector 1. As a result, even if the male connector 3 is inserted into the female connector 1 in the state shown in FIG. 6, the male connector 3 hits the tip of the lock lever 10, so that the male connector 3 cannot be inserted and fitted. become unable.

According to this embodiment having such a configuration, the opening 21 is provided in the side wall portion 20 of the female connector 1 in the vicinity of the rotation center side of the operation lever 8, and the spring force of the return spring is used. Since the lock lever 10 is configured to rotate in the clockwise direction in FIG. 6, when the operation lever 8 is rotated to the lock position while the male connector 3 is not fitted, the lock lever 10 is rotated. The tip end of 10 is projected into the female connector 1 through the opening 21. As a result, even if the male connector 3 is inserted into the female connector 1 in the above-mentioned state, the insertion and fitting of the male connector 3 into the female connector 1 is prevented by the tip portion of the lock lever 10. ..

Therefore, when the operating lever 8 is erroneously rotated to the lock position, the male connector 3 cannot be inserted and fitted, so that unlike the conventional configuration, the connectors 1 and 3 are disengaged. It is possible to prevent the terminals of both connectors 1 and 3 from being incompletely connected.

Further, the locking of the fitted state of both connectors 1 and 3 is configured by the operation lever 8 and the lock lever 10, so that the male connector 3 is inserted into the female connector 1 and fitted. The combined operating force can be set small. Therefore, the operability in fitting the connectors 1 and 3 together is improved, and the locked state of the fitting is also ensured. Further, in order to unlock the fitted state of both connectors 1 and 3, the operating lever 8 is pivotally operated to the unlocked position, that is, to the front side of the female connector 1 to engage the engaging portion 12 of the lock lever 10. It suffices to release the engagement between the male connector 3 and the locking portion 13 of the male connector 3. Therefore, the operation for releasing the lock is also easy.

Furthermore, in the above embodiment, as shown in FIG. 3, when the male connector 3 is inserted and fitted into the female connector 1, the engaging portion 12 of the lock lever 10 is engaged with the male connector 3. The protrusions 14 to 16 of the stopper 13 are engaged with each other. In this case, since the lock lever 10 is urged to rotate in the clockwise direction by the return spring, the engaging portion 12 of the lock lever 10 is securely engaged with the engaging portion 13 of the male connector 3 by this turning force. As a result, the feeling of operation when engaging is improved.

[0028]

[Effect of the device]

 As is apparent from the above description, the present invention is such that when the male lever is not fitted and the operating lever is rotated to the lock position, the tip of the lock lever opens the opening of the female connector. It is configured to prevent the male connector from being inserted and fitted by projecting through it into the female connector, so that the mating of both connectors may come off or the terminals of both connectors may be incompletely connected. It has the excellent effect of preventing this.

[Brief description of drawings]

FIG. 1 is a perspective view of a female connector and a male connector according to an embodiment of the present invention.

FIG. 2 is a cutaway side view of a female connector and a male connector.

FIG. 3 is a cutaway side view showing a state in which a male connector is being inserted and fitted into a female connector.

FIG. 4 is a cutaway side view showing a state where a male connector is inserted and fitted into a female connector.

FIG. 5 is a partially enlarged side view showing a state in which the operation lever is held in the lock position.

FIG. 6 is a cutaway side view of the female connector in a state where the operation lever is rotated to the lock position.

[Explanation of symbols]

1 is a female connector, 3 is a male connector, 5 is a recess, 7 is a recess, 8 is an operation lever, 9 is a shaft, 10 is a lock lever,
Reference numeral 11 is a shaft portion, 12 is an engaging portion, 13 is a locking portion, and 21 is an opening.

Claims (1)

[Scope of utility model registration request] 1. A connector configured to connect a terminal of the female connector and a terminal of the male connector by inserting and fitting a male connector into the female connector, wherein the female connector An operation lever rotatably provided along the fitting direction, a base end portion rotatably provided at an intermediate portion of the operation lever, and a locking portion provided at the tip end portion of the male connector. A lock lever formed with an engagement portion that engages with, a biasing member that biases the lock lever to rotate toward the rotation center side of the operation lever, and a side wall portion of the female connector An opening provided in the vicinity of the rotation center side of the operation lever, and the engaging portion of the lock lever is engaged with the engaging portion of the male connector in a state in which the male connector is fitted. While engaging the operation lever The female connector and the male connector are configured to be locked by being rotated to a lock position, and the operation lever is locked when the male connector is not fitted. When rotated to a position, the tip end of the lock lever projects into the female connector through the opening to prevent insertion and fitting of the male connector. And connector.