JP2820657B2 - Lid locking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for a lid, and more particularly to a device for locking a battery case lid of an activity toy performing a predetermined activity operation and unlocking the locking.

[0002]

2. Description of the Related Art Conventionally, as a locking device for a battery case lid of an activity toy of this type, for example, a battery case is provided in a toy body, and this battery case has one end portion of a lid for opening and closing the battery case. There is known a configuration in which a knob is rotatably supported on the toy main body, and a knob for engaging and disengaging the other end of the lid with a support shaft is rotatable.

[0003]

In the above-mentioned conventional configuration,
Since the knob is rotated horizontally around the support shaft along the lid to lock and unlock the lid, it is only necessary to horizontally rotate the knob when taking the battery in and out of the battery case. While the lid can be easily opened and closed, the knob can be easily opened and rotated accidentally when opening and closing the switch provided near the battery case even when the battery is not taken in and out. There is a problem that an accidental situation such as a drop of the battery is liable to occur because the lid is easily opened only by rotating the knob by mischief.

The present invention has been made in view of the above points, and provides a lid locking device that can securely lock a lid with a simple configuration and that can easily unlock the lid. It is intended for.

[0005]

According to a first aspect of the present invention, there is provided a locking device for a lid, comprising: a case provided on an apparatus body; and a lid rotatably attached to the case and opening and closing an opening of the case. Body and locking means for locking the free end of the lid, the locking means being provided with a locking pin protruding outward from the free end of the lid and a locking pin side. A lock body having a support member positioned so as to be able to advance and retreat and to be rotatable with respect to the device main body, a fitting part fixed to the support body and fitted to the locking pin so as to be able to be engaged and disengaged; A spring that constantly urges the body and holds the locking body in a state where the fitting portion is fitted to the locking pin.

When the lid is locked, the lid is pulled out in a direction away from the device body against the spring in a state where the lid is closed, and the locked body is rotated about the support to rotate. The fitting portion of the locking body is opposed to the locking pin of the lid. Then, when the drawer of the lock is released, the lock is pulled toward the main body of the device by the return force of the spring, and the fitting portion of the lock is fitted to the locking pin of the lid. The lid is locked.

When the lid is unlocked, the locking member is pulled out in a direction away from the main body of the device against the spring so that the fitting portion of the locking member is disengaged from the locking pin of the lid. The body is rotated about the support, and the fitting portion of the lock is separated from the position of the lid facing the lock pin. When the drawer of the lock is released, the lock is pulled toward the device body by the return force of the spring, and the lid is unlocked.

[0008] The lid locking device according to the second aspect is the first aspect.
In the locking device for a lid described above, the fitting portion of the locking body is formed by a fitting concave portion fitted to the locking pin. And
When locking the lid, the fitting recess of the locking body is fitted to the locking pin of the lid, and the locking pin and the fitting recess prevent rotation of the locking body, so that the lid is securely locked. .

According to a third aspect of the present invention, there is provided a locking device for a lid.
In the lid locking device described above, the spring is provided between the protruding end of the support that protrudes into the device main body and the device main body, and constantly biases the lock body. When the lid is locked and unlocked, the lock is smoothly advanced and retracted by the spring, and the locking body is urged by the urging force to maintain the locked state of the lid.

[0010]

An embodiment of the present invention will be described below with reference to the accompanying drawings.

Reference numeral 1 denotes a toy body as an apparatus body. The toy body 1 has left and right drive wheels 2 and left and right wheels (not shown) which are driven to rotate by an output from a motor (not shown).

The toy main body 1 has a battery case 3 provided at the lower part of the toy main body 1 and having an open lower surface as a case body. The bearing pieces 4 are integrally protruded from each other, and the base end of the lid 5 that opens and closes the opening of the battery case 3 is rotatable about the support shaft 6 between the bearing pieces 4. It is pivoted. Further, a locking pin 7 is provided outside the free end 5a of the lid 5 and integrally protrudes outward.

The opposite side walls 8 of the battery case 3
A fixed terminal 9 and a movable terminal 10 are disposed and fixed respectively, and the fixed terminal 9 and the movable terminal 10 are electrically connected to the motor. Further, the fixed terminal 9 and the movable terminal
A battery 11 serving as a power source for the motor is inserted between the fixed terminal 9 and the movable terminal 10. A switch is provided in the power supply circuit of the motor.

Next, a guide hole 12 is provided in the toy body 1 near the free end 5a having the locking pin 7 of the lid 5.
The guide hole 12 is provided with a locking means 13 for locking the free end 5a of the lid 5. The locking means 13 includes: a locking pin 7 protruding from a free end portion 5a of the lid 5; a columnar support 14 provided in the guide hole 12 so as to be able to advance and retreat and to be rotatable; It has a rectangular plate-shaped locking body 15 in a direction orthogonal to the support 14 integrally fixed to the lower end of the support 14 and a coil spring 16 for constantly urging the locking body 15 in the locking direction. Have been.

The support 14 is a disc-shaped washer fixed to the upper end of the toy body 1 by screws 17.
The locking body 15 has a fitting portion 19 that is removably fitted to the locking pin 7, and the fitting portion 19 is a fitting that is removably fitted to the locking pin 7. It comprises a recess 20.

The coil spring 16 is inserted into the outer periphery of the support 14 and one end of the coil spring 16 is engaged with the washer 18, and the other end is connected to the opening edge of the guide hole 12. Locked. Then, the lock body 15 is constantly urged by the coil spring 16 via the support body 14 and holds the lock body 15 in a state where the fitting recess 20 is fitted to the locking pin 7. ing.

Next, the operation of the above embodiment will be described.

When the lid 5 is locked, the lid 5 is closed and rotated about the support shaft 6 and the locking member 15 is closed with the lid 5 closed.
Is pulled out of the toy body 1 against the coil spring 16 and the locked body 15 is inserted into the guide hole 12.
The locking portion 15 of the locking member 15, that is, the fitting concave portion 20 is opposed to the locking pin 7 of the lid 5.

When the operation of pulling out the lock body 15 is released, the lock body 15 is pulled toward the toy main body 1 through the support 14 in the guide hole 12 by the return force of the coil spring 16, and the lock body 15 is pulled out. The fitting recess 20 of 15 is fitted to the locking pin 7 of the lid 5, the lid 5 is locked by the locking body 15 with the opening of the battery case 3 closed, and the battery 5 is The battery 11 in the case 3 is held.

At this time, the fitting portion 19 of the locking body 15 is
Since the lock recess 7 is fitted into the lock pin 7, the coil spring 16
The locking member 15 is securely held in position by the locking pin 7 and the fitting concave portion 20 in cooperation with the urging force of the lock member, and the rotation of the locking member 15 is prevented. Locked securely.

Even if the locking member 15 is to be rotated in the horizontal direction, the rotation of the locking member 15 is prevented by the locking pin 7, and even if the child tries to rotate the locking member 15 by mischief, The body 5 can be prevented from opening, and an unexpected situation caused by the opening of the lid 5 can be prevented.

Next, when the lid 5 is unlocked, the locking body 15 is pulled out in a direction away from the toy body 1 against the coil spring 16 so that the fitting recess of the locking body 15 is formed.
The locking member 15 is disengaged from the locking pin 7 of the lid 5, and the locking member 15 is horizontally rotated about the support 14 in the guide hole 12 to rotate the locking member 15.
Is separated from the position facing the locking pin 7 of the lid 5 to the side.

When the operation of pulling out the lock body 15 is released, the lock body 15 is drawn toward the toy main body 1 by the return force of the coil spring 16 via the support 14 in the guide hole 12, and the lock body 15 is pulled out. 15 comes into contact with the toy body 1 at a position deviated from the free end 5a of the lid 5, so that the lid 5 is easily unlocked.

At this time, the coil spring 16 is attached to the toy body 1
The locking member 15 is provided between the washer 18 at the upper end of the support member 14 protruding into the inside and the opening edge of the guide hole 12 of the toy main body 1 to constantly urge the locking member 15 to lock and unlock the lid member 5. At the time of locking, the lock body 15 is smoothly moved forward and backward by the coil spring 16,
Further, the locking body 15 is urged by the urging force, and the locked state and the unlocked state of the lid 5 are maintained.

Next, in the above-described embodiment, the toy main body 1 has been described as an example of the equipment main body, and the battery case 3 of the toy main body 1 has been described as an example of the case body. Not limited to battery case 3,
Other device main bodies and case bodies may be used. For example, the apparatus can be used as a locking device for the lid body 5 that opens and closes the case body of a device in which the lid body 5 is easily detached due to vibration or mischief of a child.

[0026]

According to the first aspect of the present invention, the locking means for locking the lid is provided with a locking pin protruding outward at the free end of the lid, and a device located on the locking pin side. A locking member which is provided on the main body so as to be able to advance and retreat and is rotatable; a locking member which is fixed to the supporting member and which has a fitting portion which is removably fitted to the locking pin; And a spring for holding the locking body in a state where the fitting portion is fitted to the locking pin, so that when locking, the locking body advances and retreats to fit the fitting portion to the locking pin of the lid. Thereby, the lid can be easily and reliably locked, and the locked state of the lid can be reliably maintained.

Further, even if the locking member is to be rotated along the lid, the rotation of the locking member can be reliably prevented by the locking pin, and the lid can be easily opened by vibration or mischief of the device. Can be prevented.

Further, at the time of unlocking, the locking of the lid can be easily unlocked simply by moving the locking member forward and backward and removing the fitting portion from the locking pin of the lid. Further, at the time of locking and unlocking, the lid can be locked and unlocked by advancing and retracting the locked body, so that the locking and unlocking operations of the lid are easy, the number of parts is small, and the configuration is simple. .

Therefore, it is possible to provide a highly practical lid locking device that can lock and unlock the lid with a simple configuration.

According to the second aspect of the present invention, since the fitting portion of the locking body is formed by the fitting recess, the locking body can be reliably prevented from rotating by fitting the fitting recess into the locking pin. Thus, even if the locking body is to be rotated along the lid, the rotation of the locking body can be reliably prevented by the locking pin.

According to the third aspect of the present invention, the spring is provided between the protruding end of the support projecting into the apparatus main body and the apparatus main body to constantly urge the locking body. The locked state of the body can be reliably held, and the spring is disposed in the device main body, so that the spring is not caught by the spring that expands and contracts when the locked body moves forward and backward, and it is preferable in that it fits well and enhances the appearance. Things.

[Brief description of the drawings]

FIG. 1 is a partially cutaway side view of a lid locking device according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Device main body 3 Case body 5 Lid body 5a Free end part 7 Locking pin 13 Locking means 14 Support body 15 Locking body 16 Spring 19 Fitting part 20 Fitting recess

Claims (3)

(57) [Claims] 1. A case provided on an apparatus body, a lid rotatably attached to the case and opening and closing an opening of the case, and a locking means for locking a free end of the lid. The locking means comprises: a locking pin protruding outward at a free end of the lid; and a locking pin located on the locking pin side so as to be able to advance and retreat to the device body and to be rotatable. A support provided, a locking body fixed to the support and having a fitting portion which is removably fitted to the locking pin; and a locking member which is constantly urged to apply the fitting portion to the locking pin. A locking device for a lid, comprising: a spring for holding a locking body in a fitted state. 2. The locking device for a lid according to claim 1, wherein the fitting portion of the locking body comprises a fitting recess fitted to the locking pin. 3. The locking device for a lid according to claim 1, wherein the spring is provided between the protruding end of the support projecting into the device main body and the device main body to constantly urge the locking body. .