JP2003198158A - Locking mechanism of cover - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a locking mechanism of a cover for holding the cover in closed state when the cover closes the opening of an apparatus body by providing the cover and the apparatus body with stop parts, respectively, in which the locking mechanism is prevented from being unlocked unexpectedly and easily to result in missing of the cover or scattering of contained matters from the opening. <P>SOLUTION: A tongue 12 having a stopping part 11 is provided on any one side of an apparatus body 2 or a cover 3 and a stopping part 13 engaging with the stopping part 11 is provided on the other side. Furthermore, a through hole 14 for passing a press member 17 is opened in order to unlock the stopping parts 11 and 13 by pressing the tongue 12 against the other side. The cover is unlocked by pressing the press member 17 against the tongue 12. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided with a storage section for storing, for example, batteries and accessories provided in the main body of the apparatus, and locks the storage section when the lid section closes the opening section of the storage section. The present invention relates to a lock mechanism of a lid body to be held.
In particular, it relates to improvement of locking and unlocking of the lid when the opening is closed.

[0002]

2. Description of the Related Art As shown in FIG. 7, a conventional lid lock mechanism 1b includes a convex hooking portion 13b provided in the vicinity of the inside of an opening 9b on the apparatus main body 2b side and a lid 3b. It was comprised by latching the latching part 11b provided in the side.

[0003]

In the conventional lid lock mechanism 1b having such a structure, the hooking portion 1 on the side of the apparatus main body 2b is provided.
3b and the locking portion 11b on the lid 3b side (lock)
Also, since it is necessary to easily release the hooking, the hooking portion 13b on the device body 2b side and the hooking portion 1 on the lid 3b side.
1b was formed in a convex shape having a substantially arcuate cross section.

When the opening 9b is closed by the lid 3b or the opening 9b closed by the lid 3b is opened, the lid 3b is slid with respect to the apparatus main body 2b (arrow Ab. Direction and arrow Bb direction), this slide causes the latching portion 13b on the side of the apparatus main body 2b and the latching portion 11b on the side of the lid 3b to cross each other.

However, as the number of times of locking and unlocking is increased, the latching portion 13b and the latching portion 11b are pressed against each other, and as a result, the convex shape having a substantially arcuate cross section becomes gentle and flat. It deforms and, as a result, the so-called rock becomes unsweet.

Therefore, when the lock is loosened by the lock mechanism 1b of the lid, the locking (locking) of the hooking portion 13b and the hooking portion 11b is easily released by a slight force or vibration, and as a result, the lid body is locked. There is a problem that the opening 3b is opened by detaching 3b from the apparatus main body 2b, and sometimes the lid 3b is lost.

Further, when the lid 3b is disengaged from the apparatus main body 2b and the opening 9b is opened, the batteries and accessories accommodated in the accommodating portion 10b pop out and are lost when they are scattered, or the battery is lost. There is also a problem that the function of the device is stopped due to the disconnection.

In order to solve such a problem, the apparatus main body 2
The shape of the hooking portion 13b on the side b and the hooking portion 1 on the side of the lid 3b
By forming both 1b into a stepped shape and providing a pressing portion near the hooking portion 11b on the side of the lid 3b, the pressing portion is pressed and pushed down to the hooking portion 13b on the side of the apparatus body 2b. A configuration in which the lock is released can be considered. However, in such a configuration, the pressing portion is located at a position higher than the surface of the apparatus main body 2b, which causes a problem that an unexpected pressing force is applied to the pressing portion and the lock is released.

The present invention has been made in view of the above circumstances, and when the lid body closes the opening of the apparatus body, the lid body and the apparatus body can be reliably locked, and the locking function is achieved. Does not make it difficult to hold the latch due to wear pressing force due to use and the like, and it becomes difficult to keep the closed state of the opening by the lid, and moreover, the lid does not release the lock abruptly. It provides a body locking mechanism.

[0010]

SUMMARY OF THE INVENTION According to the present invention, a locking state between the apparatus main body side and the lid side is released by pressing with a pressing member, and the pressing member is inserted. It is a lid locking mechanism that is formed by opening a hole.

The detailed construction is provided with an apparatus main body having an opening and a lid for closing the opening. When the opening is closed with the lid, the lid closes the opening. A locking mechanism for a lid body held in a state, wherein a tongue piece having a first hooking portion is provided on the other side on one of the inner side near the opening and the inner side of the lid body. When the opening is closed by the lid, there is provided a second hook for engaging the first hook with the first hook and maintaining the closed state of the opening by the lid. When the first hook portion and the second hook portion are respectively provided and opened on the other side and the first hook portion and the second hook portion are hooked to each other, the pressing member is inserted to press the tongue piece. A lid lock characterized by having a through hole for releasing the engagement between the first engagement portion and the second engagement portion. It is a structure.

That is, in the lid locking mechanism of the present invention, the locking between the hooking portion on the apparatus body side and the hooking portion on the lid side is released only by pressing by the pressing member inserted into the through hole. To be done.

Further, in the lid locking mechanism of the present invention, as one form example, the tongue having the first hooking portion is either inside the vicinity of the opening of the apparatus main body or inside the lid. Although it is provided on either one of the two sides, the tongue piece may be slidably provided on the one side.

Further, according to the lock mechanism of the lid of the present invention,
As one mode example, a configuration in which the closure of the opening of the apparatus main body by the lid is performed by sliding the lid with respect to the apparatus main body, rotating, or rotating and then sliding is given. To be

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below in detail with reference to the drawings. However, the present invention is not limited to this embodiment.

The lid lock mechanism 1 is used by being incorporated in a portable MD player P. Portable M
The D player P, as shown in FIGS.
And a lid 3.

The apparatus main body 2 has a substantially rectangular box shape, and an insertion opening 5 for inserting an MD as a recording medium into the main body is formed on the front surface 4, an LCD display section (not shown) and an operation are provided on the upper surface 6. An operation unit (not shown) for performing the above is provided respectively. Further, a jack (not shown) for accessing signals to the outside and a jack (not shown) for receiving driving power from the outside are provided on the side surface 7 of the apparatus body 2.

Further, the apparatus main body 2 is provided with an opening 9 in the bottom surface 8 and a battery storage portion 10 for storing a battery which is a driving power source for operating the output of the portable MD player P is provided in the back of the opening portion 9. It is provided. The lid 3 slides in the arrow A direction and the arrow B direction with respect to the apparatus main body 2 to cause the opening 9 to be in a closed state and an open state, respectively.

Between the main body 2 of the apparatus and the lid 3, there is provided a lid locking mechanism 1 for holding the lid 9 in a state of closing the opening 9 when the opening 9 is closed by the lid 3. It has been incorporated. The lid lock mechanism 1 is provided inside the lid 3 and includes a tongue piece 12 having a hook 11 and a hook 13 provided inside the apparatus body 2.

The hooking portion 11 of the tongue piece 12 on the lid body 3 side and the hooking portion 13 on the device body 2 side hook each other when the lid body 3 closes the opening 9 of the device body 2. This is for maintaining the closed state of the opening 9 by the lid body 3 (FIG. 1).
See).

The lock mechanism 1 for the lid further includes a device main body 2
When the hooking portion 11 and the hooking portion 13 are hooked with each other, the coin 17 which is a pressing member is inserted, and the coin 17 is pressed to press the tongue 12 and Stop 1
1 and a through hole 14 for releasing the hooking of the hooking portion 13 are provided.

That is, in the lock mechanism 1 of the lid body, the hooking (locking) of the hooking portion 11 and the hooking portion 13 is performed by pressing the coin 17 inserted into the through hole 14 and pushing down the tongue piece 12. It is configured to be released only.

The lock mechanism 1 for the lid body has a range in which the tongue 12 to be pressed moves when the tongue 12 is pressed to release the hooking between the hooking portion 11 and the hooking portion 13. A stopper 15 is provided near the opening 9 to regulate and prevent damage and material fatigue. In other words, when the tongue piece 12 is pressed and excessively pushed down, the tip portion of the tongue piece 12 comes into contact with the stopper 15 and the range in which the tongue piece 12 can be pushed down is restricted within a certain range.

The lid lock mechanism 1 incorporated in the MD player P is constructed as described above. The operation of the lid lock mechanism 1 when the user mounts the battery of the MD player P will be described below.

In the initial state of the lid lock mechanism 1, as shown in FIG. 2, the latch portion 11 of the tongue 12 on the lid 3 side and the latch portion 13 on the apparatus main body 2 side are latched. They are in close contact (locked state), and the lid body 3 holds the opening 9 of the apparatus body 2 in a closed state.

The user inserts the coin 17 into the through hole 14 and brings it into contact with the tongue piece 12. Further, the coin 17 is pressed downward. Here, the tongue piece 12 on the lid body 3 side is pushed down by the pressing force of the coin 17, so that the latching portion 11 on the lid body 3 side is lower than the latching portion 13 on the device body 2 side. Then, the hooking portions 11 and 13 are unlocked.

If the pressing force is too strong when the tongue 12 is pushed down by the coin 17, the tongue 12 comes into contact with the stopper 15 and the range of deformation and movement in the pressing direction is restricted. It is possible to avoid breakage and material fatigue.

The user slides the lid body 3 in the direction of the arrow B with respect to the apparatus main body 2 in a state where the hanging portions 11 and 13 are unlocked. Here, the opening 9 of the apparatus main body 2
Changes from the closed state to the open state, and the user mounts a predetermined battery in the battery storage unit 10.

Subsequently, the user slides the lid 3 in the direction of arrow A with respect to the apparatus main body 2. At this time, when the user continues to slide the lid body 3 in the direction of arrow A, the tongue piece 12 provided at the tip of the lid body 3 advances while being positioned below the hooking portion 13, and further, the tongue piece 12 moves. The latching portion 11 is pushed down below the latching portion 13 so that the lid body 3 slides and slides until the lid body 3 completely closes the opening 9. Here, although the tongue piece 12 returns to its original position, the hooking portion 11 and the hooking portion 13 of the tongue piece 12 are in a state of hooking each other, and the lid body 3 is locked to the apparatus main body 2. It is possible to obtain a good condition.

The member 16 on the apparatus main body 2 side is the lid 3
It functions as a stopper so that when the mounting portion of the tongue piece 12 that is pressed by is bent downward, the hooking portion 11 comes to a position where it does not come off the hooking portion 13.

Therefore, in the MD player P, even if a force in the direction of the arrow B is applied to the lid body 3 in this state, the lid body locking mechanism 1 operates, so that the lid body 3 is directed to the apparatus main body 2 by the arrow. The lid 3 does not move in the B direction, and the lid 3 is opened.
There is no problem that the lid body 3 itself is lost when it is easily detached.

In addition, in the MD player P, the state in which the lid 3 is attached to the apparatus body 2 is secured and the state in which the opening 9 is closed is maintained. There is no problem that the MD player P jumps out and stops while the output function of the MD player P is stopped.

A second embodiment of the present invention will be described below with reference to FIGS. The lid lock mechanism 1a is used by being incorporated in the LCR meter measuring device M. The LCR meter measuring device M is a measuring device for measuring the impedance of the coil, the capacitor of the capacitor, and the resistance value. As shown in FIGS. 4 to 6, the LCR meter measuring device M includes a device main body 2a and a lid 3a.

The apparatus main body 2a has a substantially rectangular box shape, and has a jack portion 5a for connecting to a front surface 4a by receiving a connecting cord (not shown) for measurement, an operation panel (not shown) and a display panel. The lid 3a (not shown) is provided on the upper surface 6a. Also, the device body 2
a is pivotally supported on the two side surfaces 7a, has a stand function, and is provided with a handle 8a for carrying the LCR meter measuring device M.

Further, the apparatus main body 2a has an opening 9a formed in the upper surface 6a, and a storage portion 10a for equipment for storing the connection cord and the like used when the LCR meter measuring device M is used in the back of the opening 9a. Is provided. The lid 3a is
By means of a pivot (not shown), the direction of arrow Ca and the direction of arrow D
The opening 9a is attached to the apparatus main body 2a so as to be rotatable in the a direction and is rotated in the arrow Ca direction and the arrow Da direction so that the opening 9a is closed and opened, respectively.

Between the main body 2a of the apparatus and the lid 3a, there is incorporated a lid locking mechanism 1a for holding the lid 3a in a state of closing the opening 9a when the opening 9a is closed by the lid 3a. ing. The lock mechanism 1a for the lid body is provided with a tongue piece 12 provided inside the device body 2a and having a hooking portion 11a.
a and a hooking portion 13a provided inside the lid 3a.

The tongue piece 12a has a hooking portion 11a on the front end side, but is provided with an operating convex portion 19a protruding upward through a window portion 18a opened in the apparatus main body 2a, and the operating convex portion 19a is a tongue. The device main body 2 is operated by operating the piece 12a.
It is attached so as to be slidable in the directions of arrow Aa and arrow Ba with respect to a.

That is, the lid lock mechanism 1a is provided with the lid 3
When "a" closes the opening 9a of the device main body 2a, the operating projection 19a of the tongue 12a is operated to operate the tongue 12
When a is slid in the direction of arrow Ba, the hooking portion 11a of the tongue piece 12a on the apparatus body 2a side and the hooking portion 1 on the lid body 2a side.
3a is an opening 9a formed by the lid body 3a that is hooked on each other.
The closed state is maintained (see FIG. 4).

In addition to the lid lock mechanism 1a, the lid 2
When the hooking portion 11a and the hooking portion 13a are hooked together, the coin 17a, which is a pressing member, is inserted to press the tongue piece 12a to press the tongue piece 12a and the hooking portion 13a. A through hole 14a is provided for releasing the engagement with the. That is, in the lid lock mechanism 1a, the device main body 2a
The locking portion 11a on the side of and the locking portion 13a on the side of the lid 3a are locked (locked) by the coin 17a inserted through the through hole 14a.
It is configured to be released only by pressing the tongue piece 12a inside the apparatus main body 2a.

Further, the locking mechanism 1a for the lid body includes the tongue piece 12
When releasing the engagement between the engagement portion 11a and the engagement portion 13a by pressing a, the stopper 15a for restricting the range of movement of the tongue piece 12a that is pressed to prevent damage and material fatigue is opened. It is provided near the portion 9a. That is, the tongue piece 12
When “a” is pressed and excessively pushed down inside the apparatus main body 2a, the tip end side of the tongue piece 12a comes into contact with the stopper 15a to regulate the range in which the tongue piece 12a can be pushed down within a certain range.

In the LCR meter measuring device M, the lid lock mechanism 1a is constructed as described above. The operation of the lid lock mechanism 1a in the LCR meter measurement device M will be described below.

In the initial state, the lid lock mechanism 1a has a tongue piece 12a on the side of the apparatus body 2a, as shown in FIG.
Project in the direction of the arrow Ba, and the hooking portion 1 of the tongue piece 12a
1a and the hooking portion 13a on the apparatus body 2a side are hooked together, and the lid 3a holds the opening 9a of the apparatus body 2a in a closed state.

The user inserts the coin 17a, which is a pressing member, into the through hole 14a, contacts the tongue piece 12a, and then presses the inside of the apparatus main body 2a. By this pressing, the tongue piece 1
2a is pushed by the pressing force from the coin 17a, and the hooking portion 11a is positioned further inside the device main body 2a with respect to the hooking portion 13a. As a result, the hooking portion 11a and the hooking portion 13a are separated from each other. The hook is released.

In this state, the user operates the operation projection 19
By operating a, the tongue 12a is slid in the direction of the arrow Ba, and the tongue 12a is slid below the opening 9a of the apparatus main body 2a.

If the pressing force is too strong when the user presses the coin 17a, the tongue piece 12a contacts the stopper 15a and the range of deformation and movement in the pressing direction is restricted and damaged. It is possible to avoid the occurrence of material fatigue.

Here, when the user rotates the lid 3a with respect to the apparatus main body 2a in the direction of the arrow Da, the opening 9a of the apparatus main body 2a changes from the closed state to the open state, and the equipment storage section 1
It is possible to take out the connecting cord that is being stored from 0a.

Then, when the lid 3a is rotated with respect to the apparatus main body 2a in the direction of the arrow Ca, the lid 3a completely closes the opening 9a. Here, when the user slides the tongue piece 12a in the direction of the arrow Aa by operating the operation convex portion 19a of the tongue piece 12a, the hooking portion 11 of the tongue piece 12a on the apparatus main body 2a side.
a and the hooking portion 13a on the side of the lid 2a are locked to each other to obtain a locked state, and the closed state of the opening 9a by the lid 3a is held (see FIG. 4). ).

Therefore, the LCR meter measuring device M locks the lid 3a even if a force in the direction of the arrow Da is applied to the lid 3a or a sliding force in the direction of the arrow Aa is applied to the operation convex portion 19a of the tongue 12a. Since the mechanism 1a is operating, the closed state of the opening 9a is maintained by the lid 3a, so that the lid 3a is closed.
Does not rotate in the direction of the arrow Da with respect to the apparatus main body 2a, and there is no problem that the equipment being stored pops out from the equipment storage portion 10a and that the equipment is sometimes lost.

In the portable MD player P, the lid 3 is slid with respect to the apparatus main body 2 to open the opening 10.
The LCR meter measuring device M by closing and opening the lid 3a.
Is configured to close and open the opening 10a by rotating the apparatus main body 2a in both forward and reverse directions. In addition to these, as shown in Japanese Patent No. 3037645, the lid may first slide with respect to the apparatus main body and then rotate to move the opening from the closed state to the open state. .

In the lid lock mechanisms 1 and 1a described above, the coins 17 and 17a are used as the pressing members, respectively. However, it is preferable to appropriately select them according to the structure of the mechanism such as the driver and the core of the ballpoint pen.

Further, the lock mechanisms 1 and 1a for the lid body described above.
Since the coins 17 and 17a are used as the pressing members respectively, the through hole 14 and the through hole 14a are formed according to the shape (peripheral shape) of the coin. It is desirable to select.

The lock mechanism 1 for the lid is incorporated in the portable MD player P, and the lock mechanism 11a for the lid is incorporated in the LCR meter measuring device M, respectively. Is good.

[0053]

As described above, according to the present invention, the first hooking portion is hooked on one side of the main body of the apparatus and the lid body, and the second hooking portion is hooked on the other side of the first hooking portion. Each having a tongue having
In addition, by forming the through hole through which the pressing member for releasing the hooking of the first hooking portion and the second hooking portion by pressing the tongue piece is opened on one side, , A reliable lock mechanism works between the device body and the lid, and moreover, even if the lock mechanism causes wear or the like to the member due to use, the closed state of the opening of the lid is surely maintained, and further, It is a lid locking mechanism that prevents the lock from being released abruptly.

[Brief description of drawings]

FIG. 1 is a cross-sectional view taken along the line II of FIG. 2 for explaining the configuration of the main part in the first embodiment of the present invention.

FIG. 2 is a perspective view illustrating a hooked state (locked state) of the embodiment example shown in FIG.

FIG. 3 is a perspective view for explaining the unlocked state of the embodiment shown in FIG.

FIG. 4 is a diagram for explaining a second embodiment of the present invention.
FIG.

FIG. 5 is a diagram illustrating a second embodiment of the present invention.
FIG.

FIG. 6 is a third illustration for explaining the second embodiment of the present invention.
It is a figure equivalent figure.

FIG. 7 is a diagram corresponding to FIG. 1 for explaining the configuration of the conventional technique.

[Explanation of symbols]

1, 1a: Lock mechanism P of lid: Portable MD player M: LCR meter measuring device 2, 2a: Device body 3, 3a: Lid 9,9a: Opening 10, 10a: Storage 11, 11a, 13, 13a: Hooks 12, 12a: Tongue pieces 14, 14a: Through holes 17, 17a: Coin (pressing member) 19a: Operation protrusion

Claims (3)

[Claims] 1. A device main body having an opening, and a lid for closing the opening. The lid holds the opening in a closed state when the opening is closed with the lid. A lock mechanism for a lid, wherein a tongue piece having a first hooking portion is provided on the other side on one of the inside of the vicinity of the opening and the inside of the lid,
When the opening is closed by the lid, a second hook is provided for engaging with the first hook and maintaining the closed state of the opening by the lid. When the first hooking portion and the second hooking portion are engaged with each other, the pressing member is inserted to press the tongue piece, A locking mechanism for a lid, wherein a through hole is formed for releasing the engagement between the first engagement portion and the second engagement portion. 2. The structure according to claim 1, wherein a tongue provided on one side of the inside of the apparatus main body near the opening or on the inside of the lid is slidable with respect to the one side. Locking mechanism of the lid. 3. The lid is slid with respect to the apparatus main body, rotated, or slid after being rotated,
The lock mechanism for a lid according to claim 1 or 2, wherein the opening is closed.