JP2012031572A - Locking mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a locking mechanism by which a lock state can be prevented from being forgotten and the safety can be secured in an unlock state.SOLUTION: The locking mechanism includes: a fixed block provided along the upper end of the side face of an opening/closing operation object; a moving block provided orthogonally to the upper end of the opening/closing operation object on a side plate and freely slidably in an orthogonal direction; guide means attached to the side plate, for guiding the moving block freely slidably in the orthogonal direction; locking means provided on the other end of the fixed block and one end of the moving block, for locking the fixed block and the moving block; pressurizing means provided on the side plate, for pressurizing the moving block in the upper end direction of the opening/closing operation object; and storage moving means provided on one end side of the moving block, for moving the moving block to the lower end direction of the opening/closing operation object by pressurizing one end side of the moving block by one end side of the fixed block, so as to lock the fixed block and the moving block when storing the opening/closing operation object.

Description

The present invention relates to a locking mechanism.
More specifically, the present invention relates to a locking mechanism that can prevent forgetting of the locked state and can ensure safety in the unlocked state.

  18A and 18B are explanatory views of a main configuration of a conventional example that is generally used conventionally. FIG. 18A is a front view, FIG. 18B is a top view, FIG. 18C is a left side view, and FIG. 19 is an explanatory view of the locking mechanism of FIG. 18, in which (a) is a front view, (b) is a cross-sectional view taken along line AA of (a), and FIG. 20 is an unlocked state of the locking mechanism of FIG. It is explanatory drawing, (a) is a front view, (b) is (a) BB sectional drawing.

In the figure, the opening / closing operation object 1 is arranged vertically and supported by the left side plate 2 and the right side plate 3, and when the opening / closing operation object 1 is closed, the abutting portion provided on the left side plate 2 and the right side plate 3. The object 1 for opening and closing operation is abutted to 4 and 5.
The lower end 11 side of the opening / closing operation target 1 is supported by the hinge mechanism 6 and rotates in the Z direction.
A locking mechanism 7 is provided on the upper end 12 side of the opening / closing object 1.

As shown in FIG. 19, when the opening / closing operation object 1 is locked, the locking mechanism 7 protrudes from the tip protrusion 8 and is inserted into a square hole 9 provided in the left side plate 2. It becomes locked.
As shown in FIG. 20, when the opening / closing operation target 1 is unlocked, the locking mechanism 7 slides in the right direction in the drawing and comes off the square hole 9 provided in the left side plate 2 to open / close. The moving object 1 is unlocked.

In the above configuration, the opening / closing operation target 1 has a structure capable of rotating in the Z rotation direction, and the locking mechanism 7 is provided so as not to operate in the opening direction.
The locking mechanism 7 realizes that the opening direction operation Z does not operate when the tip protrusion 8 enters the square hole 9 provided in the left side plate 2.

JP 2001-159268 A JP 2002-130924 A

Such an apparatus has the following problems.
If it is forgotten to lock the locking mechanism when the object to be opened / closed is closed, the object to be opened / closed rotates in the Z direction, which may cause injury or damage to parts.
Further, when the locking mechanism is in the unlocked state, the opening / closing operation object rotates in the Z direction, which may cause injury or component damage.

  SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described problems, and to provide a locking mechanism that can prevent forgetting of a locked state and can ensure safety in an unlocked state.

In order to achieve such a problem, in the present invention, in the locking mechanism of claim 1,
In the locking mechanism for locking the upper end side of the opening / closing operation object whose lower end side is supported by the side plate by the hinge to the side plate, one end side of the opening / closing operation object is provided along the upper end of the side surface of the opening / closing operation object. A fixed block provided at a corner with the back surface, and provided on the side plate so as to be freely slidable in an orthogonal direction perpendicular to the upper end of the object to be opened and closed, and having one end opposed to the other end of the fixed block. A moving block, guide means attached to the side plate and slidably guiding the moving block in the orthogonal direction, the other end of the fixed block and the other end of the fixed block provided at one end of the moving block; Locking means for locking one end of the moving block, pressing means provided on the side plate for pressing the moving block in the upper end direction of the opening / closing operation object, and the moving block Provided on the front side of the opening / closing operation object on one end side, when the opening / closing operation object is stored, one end side of the fixed block presses the one end side of the moving block, thereby moving the moving block to the upper end surface of the opening / closing operation object And a storing and moving means for moving in a direction opposite to the direction and locking the other end of the fixed block and one end of the moving block.

In the locking mechanism according to claim 2 of the present invention, in the locking mechanism according to claim 1,
The guide means includes a guide groove provided in the moving block, and a guide rod having one end provided on the side plate and the other end guiding the guide groove.

In the locking mechanism according to claim 3 of the present invention, in the locking mechanism according to claim 1,
The guide means includes a plate-shaped sliding cover that is provided on the side plate so as to cover the middle of the moving block and constitutes a sliding cylinder in which the moving block slides together with the side plate.

In the locking mechanism according to claim 4 of the present invention, in the locking mechanism according to any one of claims 1 to 3,
The locking means includes a groove portion provided at one end of the other end of the fixed block or one end of the moving block, and a convex portion provided at the other end and locked to the groove portion. .

In the locking mechanism according to claim 5 of the present invention, in the locking mechanism according to any one of claims 1 to 4,
The pressing means includes a spring block provided on the side plate, and a spring provided between the spring block and the other end of the moving block and pressing the other end of the moving block. To do.

In the locking mechanism according to claim 6 of the present invention, in the locking mechanism according to any one of claims 1 to 5,
The storing and moving means includes a slope portion provided on the front side of the opening / closing object on one end side of the moving block.

According to claim 1 of the present invention, there are the following effects.
When the object to be opened / closed is closed, it can be automatically locked to prevent forgetting to lock it.When the object to be opened / closed is opened, it must be pushed with one hand on the object to be opened / closed. It is possible to obtain a locking mechanism that can ensure safety without being able to.

According to claim 2 of the present invention, there are the following effects.
Since the guide means is provided with a guide groove provided in the moving block and a guide rod having one end provided on the side plate and the other end guiding the guide groove, a locking mechanism that can be easily configured is obtained.

According to claim 3 of the present invention, there are the following effects.
The guide means is provided on the side plate so as to cover the middle of the moving block, and a plate-shaped sliding cover that forms a sliding cylinder along which the moving block slides is provided together with the side plate. A stop mechanism is obtained.

According to claim 4 of the present invention, there are the following effects.
The locking means is provided with a groove provided on one end of the other end of the fixed block or one end of the moving block, and a convex portion provided on the other and locked to the groove, so that it can be locked with a simple configuration. The locking can be easily released and the locking can be easily released, and an inexpensive locking mechanism can be obtained.

According to claim 5 of the present invention, there are the following effects.
The pressing means includes a spring block provided on the side plate and a spring provided between the spring block and the other end of the moving block, and a spring that presses the other end of the moving block. Pressing can be performed reliably and an inexpensive locking mechanism can be obtained.

According to claim 6 of the present invention, there are the following effects.
Since the storage movement means is provided with a slope portion provided on the front side of the opening / closing operation object on one end side of the moving block, the opening / closing operation object can be easily stored with a simple configuration. Storage can be performed reliably and an inexpensive locking mechanism can be obtained.

It is principal part structure explanatory drawing of one Example of this invention. It is principal part structure perspective explanatory drawing of FIG. FIG. 3 is an explanatory view of parts assembly in FIG. 2. FIG. 3 is an enlarged explanatory view of FIG. 2. It is EE sectional drawing of FIG. It is EE sectional drawing of FIG. It is operation | movement explanatory drawing of FIG. It is operation | movement explanatory drawing of FIG. FIG. 3 is an explanatory view of parts assembly in FIG. 2. FIG. 3 is an explanatory view of parts assembly in FIG. 2. FIG. 3 is an explanatory view of parts assembly in FIG. 2. FIG. 3 is an explanatory view of parts assembly in FIG. 2. It is principal part structure explanatory drawing of the other Example of this invention. It is component assembly explanatory drawing of FIG. It is expansion explanatory drawing of FIG. It is aa sectional drawing of FIG. It is bb sectional drawing of FIG. It is principal part structure explanatory drawing of the prior art example generally used conventionally. It is lock state explanatory drawing of the latching mechanism of FIG. It is explanatory drawing of the unlocking state of the latching mechanism of FIG.

Hereinafter, the present invention will be described in detail with reference to the drawings.
1A and 1B are explanatory views of the overall configuration of an embodiment of the present invention. FIG. 1A is a front view, FIG. 1B is a top view, FIG. 2C is a left side view, and FIG. 3, FIG. 4 is an explanatory view of parts assembly of FIG. 2, FIG. 4 is an enlarged explanatory view of FIG. 2, FIG. 5 is a sectional view taken along line EE of FIG. 12 is an operation explanatory diagram of FIG.
In the figure, the same symbol structure as in FIG. 18 represents the same function.
Only the difference from FIG. 18 will be described below.

In FIG. 1, the locking mechanism 20 locks the upper end side of the opening / closing operation object 1 to the side plate 2.
The locking mechanism 20 includes a fixed block 21, a moving block 22, guide means 23, locking means 24, pressing means 25, and storage movement means 26.

The fixed block 21 is provided along the upper end 12 of the side surface of the opening / closing operation object 1, and the one end 211 side is provided at a corner with the back surface 13 of the opening / closing operation object 1.
The fixed block 21 is fixed to the left side plate 2 by a fixed block fixing screw 213.
The moving block 22 is provided on the left side plate 2 so as to be freely slidable in the orthogonal direction Y perpendicular to the upper end 12 of the opening / closing operation target, and one end 221 is provided opposite to the other end 212 of the fixed block 21. .

The guide means 23 is attached to the left side plate 2 and guides the moving block 22 freely in the orthogonal direction Y.
In this case, as shown in FIG. 5, the guide means 23 includes a guide groove 231 provided in the moving block 22, one end provided in the left side plate 2, and the other end side guide rod 232 for guiding the guide groove 231, Have
In this case, the guide bar 232 includes a collar 2321 that slides in the guide groove 231 and a collar fixing screw 2322 that fixes the collar 2321 to the left side plate 2.

The locking means 24 is provided at the other end 212 of the fixed block and one end 221 of the moving block, and locks the other end 212 of the fixed block and one end 221 of the moving block.
In this case, the locking means 24 has a groove portion 241 provided at one of the other end 212 of the fixed block or the one end 221 of the moving block, and a convex portion 242 provided at the other and locked to the groove portion 241. .
Specifically, a groove portion 241 is provided at the other end 212 of the fixed block, and a convex portion 242 is provided at one end 221 of the moving block.

The pressing means 25 is provided on the left side plate 2 and presses the moving block 22 in the direction of the upper end 12 of the opening / closing operation target (the direction opposite to the arrow Y direction).
In this case, the pressing means 25 is provided between the spring block 251 provided on the left side plate 2 and the spring block 251 and the other end 222 of the moving block 22, and the spring 252 that presses the other end 222 of the moving block. And have.
The spring block fixing screw 2511 fixes the spring block 251 to the left side plate 2.

  The storage moving means 26 is provided on the front surface 14 side of the opening / closing operation object 1 on the one end 221 side of the moving block. By pressing, the moving block 22 is moved in the direction (Y direction) opposite to the upper end direction of the opening / closing operation object, and the other end 212 of the fixed block and the one end 221 of the moving block are locked.

  The storage movement means 26 has a slope portion 261 provided on the front side 14 of the object to be opened and closed on one end side 221 of the moving block.

  In the above configuration, as shown in FIGS. 4 and 5, the moving block 22 includes the gap R formed by the groove width G of the guide groove 231 and the outer diameter D of the collar 2321, and the thickness J of the guide groove 231 and the collar. Movement in only the direction of the arrow Y or the direction opposite to the arrow Y is possible by the gap S formed by the thickness H of 2321.

  As shown in FIGS. 4 and 6, the spring is sandwiched between the counterbore process K of the moving block 22 and the counterbore process L of the spring block 251. The structure is pressed in the direction opposite to the direction.

Next, as shown in FIG. 7, when the opening / closing object 1 is in the closed state.
The moving block 22 interferes with the fixed block 21 installed on the opening / closing operation object 1, and the opening / closing operation object 1 is locked to rotate in the Z direction.
In addition, as shown in FIG. 8, when the opening / closing operation target 1 has a center of gravity that rotates in the Z direction, the fixed block 21 and the moving block 22 mesh with each other, and the moving block 22 cannot move in the Y direction. The moving object 1 is locked to rotate in the Z direction.

To rotate the opening / closing object 1 in the Z direction.
As shown in FIG. 9, by pushing the opening / closing object 1 in the T direction and forming the gap W, the locking is released and the moving block 22 can move in the Y direction.
As shown in FIG. 10, when the moving block 22 is moved in the Y direction, the opening / closing object 1 can be rotated in the Z direction by forming the gap V.

When the opening / closing object 1 is closing (rotating in the direction opposite to the arrow Z direction).
As shown in FIG. 11, the fixed block 21 installed on the opening / closing operation target 1 collides with the slope portion 261 of the moving block 22.
Further, as shown in FIG. 12, when the opening / closing operation object 1 advances the closing operation (rotation operation in the direction opposite to the arrow Z direction), the moving block 22 can only operate in the Y direction, so that the spring 252 is moved. Is moved in the Y direction while compressing the object 1, and the opening / closing object 1 can be closed (rotation operation in the direction opposite to the arrow Z direction).

The state in which the opening / closing operation target object 1 has moved to the closing operation (rotating operation in the direction opposite to the arrow Z direction) is the state shown in FIG. 9, and the moving block 22 has the spring 252 in the direction opposite to the Y direction. Move with force.
The opening / closing operation object 1 is in a state in which the rotation operation in the Z direction is locked.

As a result,
When the opening / closing operation object 1 is closed, it can be automatically locked to prevent forgetting to lock, and when the opening / closing operation object 1 is opened, one hand is attached to the opening / closing operation object 1 and it is not pushed in the T direction. Thus, a locking mechanism that can ensure safety without being unlocked can be obtained.

  Since the guide means 23 is provided with a guide groove 231 provided in the moving block 22 and a guide rod 232 provided at one end thereof on the side plate 2 and at the other end side for guiding the guide groove 231, the configuration can be simplified. A locking mechanism is obtained.

  Since the locking means 24 is provided with a groove portion 241 provided at one of the other end 212 of the fixed block or one end 221 of the moving block, and a convex portion 242 provided at the other and locked to the groove portion 241, With a simple configuration, the locking can be reliably performed, and the locking can be easily released, and an inexpensive locking mechanism can be obtained.

  The pressing means 25 includes a spring block 251 provided on the side plate 2 and a spring 252 that is provided between the spring block 251 and the other end 222 of the moving block 22 and presses the other end 222 of the moving block. Therefore, pressing can be performed reliably with a simple configuration, and an inexpensive locking mechanism can be obtained.

  Since the storage movement means 26 is provided with the slope portion 261 provided on the front surface 14 side of the opening / closing operation object on the one end 221 side of the moving block, the opening / closing operation object 1 can be easily stored by a simple configuration. The opening / closing operation object 1 can be securely stored, and an inexpensive locking mechanism can be obtained.

  FIG. 13 is an explanatory view of a main part configuration of another embodiment of the present invention, FIG. 14 is an explanatory view of parts assembly of FIG. 13, FIG. 15 is an enlarged explanatory view of FIG. 13, and FIG. FIG. 17 is a cross-sectional view taken along line bb of FIG.

In FIG. 13, the guide means 31 is provided with a bracket so as to cover the middle of the moving block 32, and has a plate-shaped sliding cover 34 that constitutes a sliding cylinder 33 on which the moving block 32 slides together with the left side plate 2.
Specifically, as shown in FIG. 14, the sliding cover 34 has a bracket shape and is fixed to the left side plate 2 by a bracket fixing screw 35.

  In the above configuration, as shown in FIGS. 15 and 16, the moving block 32 includes a gap c formed by the width of the bracket 34 and the moving block 32, and a gap d formed by the thickness of the bracket 34 and the moving block 321. Thus, the movement in the arrow Y direction or the direction opposite to the arrow Y can be performed.

As a result,
The guide means 31 is provided on the left side plate 2 so as to cover the middle of the moving block 32, and a plate-like sliding cover 34 that constitutes a sliding cylinder 33 on which the moving block 32 slides together with the left side plate 2 is provided. Thus, a locking mechanism that can surely perform the sliding operation is obtained.

The above description merely shows a specific preferred embodiment for the purpose of explanation and illustration of the present invention.
Therefore, the present invention is not limited to the above-described embodiments, and includes many changes and modifications without departing from the essence thereof.

DESCRIPTION OF SYMBOLS 1 Opening / closing operation | movement object 11 Lower end 12 Upper end 13 Back surface 14 Front surface 2 Left side plate 3 Right side plate 4 Abutting part 5 Abutting part 6 Hinge mechanism 7 Locking mechanism 8 Tip protrusion 9 Square hole 20 Locking mechanism 21 Fixed block 211 One end 212 Other end 213 Fixing screw 22 Moving block 221 One end 222 Other end 23 Guide means 231 Guide groove 232 Guide rod 2321 Collar 2322 Collar fixing screw 24 Locking means 241 Groove 242 Convex part 25 Pressing means 251 Spring block 2511 Spring block fixing screw 252 Spring 26 Storage movement means 261 Slope 31 Guide means 32 Moving block 33 Sliding cylinder 34 Sliding cover 34 Bracket 35 Bracket fixing screw D Outer diameter of collar G Groove width of guide groove H Thickness of collar J Thickness of guide groove K Moving block Counterbored L processing L Spring counterbore R gap G S gap V gap W gap c gap c gap d gap

Claims (6)

In the locking mechanism for locking the upper end side of the opening / closing operation object whose lower end side is supported on the side plate by the hinge to the side plate,
A fixed block provided along the upper end of the side surface of the opening / closing operation object and having one end side provided at a corner with the back surface of the opening / closing operation object;
A moving block provided on the side plate so as to be freely slidable in an orthogonal direction perpendicular to the upper end of the opening / closing operation object, and having one end opposed to the other end of the fixed block;
Guide means attached to the side plate and slidably guiding the moving block in the orthogonal direction;
Locking means for locking the other end of the fixed block and one end of the moving block provided at the other end of the fixed block and one end of the moving block;
A pressing means that is provided on the side plate and presses the moving block toward the upper end of the object to be opened and closed;
Provided on the front side of the opening / closing operation object on one end side of the moving block, when the opening / closing operation object is stored, the one end side of the fixed block presses the one end side of the moving block, thereby moving the moving block to the opening / closing operation object Storage movement means for moving in the direction opposite to the upper end surface direction of the object and locking the other end of the fixed block and one end of the moving block;
A locking mechanism characterized by comprising: The guide means includes a guide groove provided in the moving block;
A guide rod having one end provided on the side plate and the other end guiding the guide groove;
The locking mechanism according to claim 1, comprising: The guide means includes a plate-like sliding cover that is provided on the side plate so as to cover the middle of the moving block and forms a sliding cylinder on which the moving block slides together with the side plate. The locking mechanism according to 1. The locking means includes a groove provided on one end of the other end of the fixed block or one end of the moving block;
A convex portion provided on the other side and locked to the groove portion;
The locking mechanism according to any one of claims 1 to 3, further comprising: The pressing means includes a spring block provided on the side plate,
A spring provided between the spring block and the other end of the moving block to press the other end of the moving block;
The locking mechanism according to any one of claims 1 to 4, further comprising: The latch according to any one of claims 1 to 5, wherein the storing and moving means includes a slope portion provided on a front side of the opening / closing object on one end side of the moving block. mechanism.

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