JP2598320Y2 - Storage mechanism such as storage container - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a television and the like, in which, when a tray containing a television operating knob which is incorporated in a television main body and urged in a projecting direction by a spring is pushed in, the automatic operation is performed. The present invention relates to a storage mechanism that is locked in a locked state, and is further unlocked when slightly pressed in so that the storage mechanism can be lightly put in and out.

[0002]

2. Description of the Related Art A lock device using a heart cam is used as a lock device for a storage container used in the above-described storage mechanism.
It is described in 3-96337.

[0003]

However, the lock device described above has a disadvantage that the heart cam is delicate and if used for a long period of time, the use of the locking groove will cause the stepped portion of the locking groove to be worn out, making the use unstable.

In view of such a problem, the present invention has a first bent portion and a second bent portion instead of the above-mentioned heart cam.
A strong cam plate provided with a cam groove with a continuous bent portion and a lock pin facing the cam plate are provided. When the storage container is pushed in, the lock pin engages with the first bent portion of the cam plate to be stored. By providing a lock device in which the container is locked and the lock pin is shifted to the second bent portion when the container is further pushed in a little and the lock is released, it is intended to provide a reliable and strong storage mechanism by operation. I have.

[0005]

According to the present invention, the storage container 2 which is incorporated in the main body 1 so as to be freely taken in and out and is always urged in the protruding direction is locked when the storage container 2 is pushed in, and the lock is made when the storage container 2 is further slightly pushed in. This is a storage mechanism in which the storage container 2 is released and the storage container 2 protrudes, and the cam plate 21 and the lock pin 24 are connected to the main body 1 and the storage container 2 via an arm 20 that can be elastically bent. When the storage container 2 is taken in and out of the main body 1, the lock pin 24 is connected to the guide edge 2 at the tip end of the cam plate 21.
1a is provided with a lock device B which is guided by the cam groove 22 while being in contact with the cam plate 21. The cam plate 21 is provided on one surface of the cam plate 21 so that the lock pin 24 is fixed to the cam plate. 21 is provided with a continuous cam groove 22 for guiding from the base side edge to the front edge.
The first bent portion 22b which is bent from the side edge on the base side of the cam plate 21 toward the distal end edge of the cam plate 21 and then is bent in the base side direction. A second bent portion 2c that is bent in the inverted state and that is gradually reduced in depth is provided on the leading edge side.

[0006]

According to the storage mechanism of the present invention, when the projecting storage container is pushed in against the compression spring, as described in detail in the embodiment, the first bent portion of the cam plate, which is retracted together, The storage container is locked by engagement of the rear lock pin.

In this state, when the container is further pushed in against the compression spring, the lock is released and the container is pushed out together with the piston, as will be described in detail in the embodiment.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS The drawings show one embodiment of the present invention, wherein A is an air damper of the present invention, B is a lock device, 1 is a main body,
Reference numeral 2 denotes a tray as a storage container.

The air damper A comprises a cylinder 3 having an open front end, a piston 4 fitted to the cylinder 3, and a compression spring 5 for urging the piston 4 forward.

The cylinder 3 has a rear end fixed to a rearwardly projecting portion 1a of the main body 1 with a screw 6 and an orifice 7 around which the air leaks slightly is formed. , Cylinder 3.

As shown in FIG. 9, an annular mounting groove 9 cut out on the front side of the outer surface of the cylinder 3 is provided with an annular stopper 1.
Reference numeral 0 is detachably fitted to the outside, and an engagement piece 11 protruding from an inner surface of the stopper 10 is inserted into an insertion hole 12 penetrating through an upper surface of the mounting groove 9 and protrudes into the cylinder 3.

The outer diameter of the piston 4 fitted into the cylinder 3 is slightly smaller than the inner diameter of the cylinder 3, a gap 13 is formed between the two, and an engaging groove 14 cut out over the entire length of the upper surface of the piston 4. The engagement piece 11 of the stopper 10 provided on the cylinder 3 is engaged with the cylinder 3 to prevent the piston 4 from rotating and coming off.

An O-ring 16 for maintaining airtightness is fitted in the wide annular groove 15 cut at the rear end of the piston 4 so as to be movable back and forth.
A vent hole 17 is provided that communicates the inner side of the annular groove 15 with the gap 13 when the armature advances.

At the protruding end of the piston 4 (the lower end in FIG. 1), a mounting plate 18 facing the side is fixedly mounted, and a protrusion 19 protruding from the front surface thereof is fitted to the tray 2. Is the flange 3a at the rear end of the cylinder 3 and the mounting plate 18
Urged forward by the compression spring 5 wound therebetween.

At the side end of the mounting plate 18, there is provided an elastically bendable arm 20 which faces rearward and is parallel to the air damper A.
And a cam plate 21 as described below is provided at the rear end.
Is fixed.

At the rear end of the cam plate 21, there is formed a guide edge 21a which curves toward the right front in FIG. 10, and on the lower surface, as shown in FIGS.
A cam groove 22 is provided in which a first bent portion 22b which is slightly leftward from a and is directed rightward, and a second bent portion 22c which is gradually reduced in depth while being directed leftward and leftward are cut out. Have been.

A lock pin 24 protrudes from the right end of the upper surface of the bracket 23 which is fixed to the rear end of the protruding portion 1a of the main body 1 and which becomes the rear end of the air damper A and faces sideways. The lock pin 24 is located at the same height as the cam plate 21 of the lock device and at the center rear of the cam plate 21 when the tray 2 shown in FIG.

When the tray 2 is pushed in against the compression spring 5 from the state shown in FIG. 1 as shown in FIG. 1, the locking device B, as shown in FIG. When the guide edge 21a abuts on the lock pin 24, the arm 20 of the lock device B is elastically bent and the cam plate 21 moves backward and retreats, and the lock pin 24 moves along the guide edge 21a. When the cam plate 21 reaches the entrance 22a of the cam groove 22, the cam plate 21 is pushed back slightly against the elasticity by the elasticity of the bent arm 20, and the lock pin 24 is inserted into the cam groove 22 from the entrance 22a as shown in FIG. The tray 2 enters and engages with the first bent portion 22b, and the tray 2 is locked.

During this time, the O-ring 16 of the air damper A
Is located on the inlet side of the annular groove 15 due to frictional resistance with the cylinder 3, and most of the air in the cylinder 3 is rapidly discharged to the outside through the gap 13 between the annular groove 15 and the ventilation hole 17. When the tray 2 is pushed in, the resistance force received is only the repulsive force of the compression spring 5, and the tray 2 can be pushed in lightly. Of course, the air in the cylinder 3 is also discharged from the orifice 7, but the amount is small.

When the tray 2 is slightly pushed in further than the above state, the cam plate 21 swings slightly to the side due to the elasticity of the arm 20, and the lock pin 24 moves from the first bent portion 22b to the second bent portion 22c. Transition.

Then, when you release your hand from the tray 2, the cam plate 2
2 further oscillates slightly to the side, and the tray 2 moves forward together with the piston 4 by the bias of the compression spring 5, and the lock pin 2
4 escapes backward from the cam groove 22, and the tray 2 continues to advance.

During this time, since the O-ring of the air damper A is located inside the annular groove 15, outside air cannot flow into the cylinder 3 through the ventilation hole 17 but flows through the orifice 7 and the communication hole 8. But the amount is orifice 7
When the tray 2 tries to move forward rapidly with a small amount, the inside of the cylinder 3 is braked by the negative pressure, and the tray 2 moves forward slowly and smoothly to the state shown in FIG.

In the above embodiment, the cam plate 21
The lock pin 24 is provided directly on the front end of the air damper A via the flexible arm 20 on the bracket 23 at the rear end of the air damper A. On the contrary, the cam plate 21 is connected via the arm 20 to the air damper A. At the back end, lock pin 2
4 may be provided at the front end of the air damper A, the cam plate 21 may be provided directly at the front end or the rear end of the air damper A, and the lock pin 24 may be provided at the rear end or the front end of the air damper A via the arm 20. Good.

In the above-described air damper A, when the piston is pushed in together with the storage container, the O-ring advances and the ventilation hole communicates with the rear portion of the annular groove. When the piston is pulled out together with the storage container, the O-ring retreats and the gap between the rear part of the annular groove and the gap is shut off. While being braked, it moves forward slowly and lightly by the bias of the spring.

Moreover, since the material of each member is not limited,
High reliability and durability can be easily and inexpensively manufactured.

[0026]

[Effect of the Invention] In the storage mechanism of the present invention, the lock device is
Since the size and material of each member are not limited, it is possible to easily and inexpensively manufacture a sufficiently strong locking and unlocking operation that is sufficiently strong.

Further, in the storage mechanism of the present invention, the air damper and the locking device which are formed integrally in advance can be mounted or divided and separately mounted according to the shapes and sizes of the main body and the storage container. .

[Brief description of the drawings]

FIG. 1 is a plan view of a main part of a storage mechanism according to the present invention when a tray is projected.

FIG. 2 is a plan view of a main part of the storage mechanism according to the present invention when the tray is retracted.

FIG. 3 is a plan view of a main part of the storage mechanism according to the present invention when the tray is locked.

FIG. 4 is a sectional view taken along line XX of FIG. 3;

FIG. 5 is a sectional view taken along line YY of FIG. 3;

FIG. 6 is an enlarged longitudinal sectional side view of a main part of the air damper of the present invention when the tray is pushed in.

FIG. 7 is an enlarged longitudinal sectional side view of a main part of the air damper of the present invention when the tray is pulled out.

FIG. 8 is a sectional view taken along line ZZ of FIG. 7;

FIG. 9 is an exploded perspective view of the air damper of the present invention.

FIG. 10 is a bottom view of the lock device.

FIG. 11 is a sectional view taken along line WW of FIG. 10;

[Explanation of symbols]

 Reference Signs List A Air damper B Lock device 1 Main body 1a Projection 2 Tray 3 Cylinder 3a Flange 4 Piston 5 Compression spring 6 Screw 7 Orifice 8 Communication hole 9 Mounting groove 10 Stopper 11 Engaging piece 12 Communication hole 13 Gap 14 Engagement groove 15 Ring groove 16 O-ring 17 Vent hole 18 Mounting plate 19 Projection 20 Arm 21 Cam plate 21a Guide edge 22 Cam groove 22a Inlet 22b First bent portion 22c Second bent portion 23 Bracket 24 Lock pin

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) F16F 9/02 E05C 19/02

Claims (1)

(57) [Scope of request for utility model registration] 1. A storage container which is incorporated in a main body so as to be able to be freely taken in and out and is always urged in a protruding direction, is locked when pushed in, and is unlocked when slightly pushed in so that the storage container projects. A mechanism, wherein a cam plate and a lock pin are provided via an arm which can be elastically bent to the main body and the storage container, and when the storage container is taken in and out of the main body. A lock device in which the lock pin is guided in a cam groove while being in contact with a guide edge of a leading edge of the cam plate. The cam plate is provided on a plate surface on one surface of the cam plate. A continuous cam groove for guiding the lock pin from the base side edge of the cam plate toward the distal end edge, wherein the cam groove is formed from the base side edge of the cam plate. After heading to the tip edge of the cam plate, A first bent portion bent in a base side direction; and a second bent portion which is bent from the first bent portion to the tip edge side of the cam plate in an inverted state and gradually decreases in depth. A storage mechanism such as a storage container.