JP2558929Y2 - Lock 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 lock device for locking a display panel, such as a liquid crystal (LCD), which also functions as a lid for a computer main body, to the computer main body.

[0002]

2. Description of the Related Art Conventionally, small and low power consumption liquid crystal displays have been used in handy type computers and laptop type computers.
This liquid crystal display is often configured as a liquid crystal panel having a display surface on one side and a cover on the other side for the purpose of protecting the display surface and preventing dust from entering. When not in use, the display functions as a lid of the computer body with the display surface inside. In a normal case, one end of the liquid crystal panel is movably supported on a shaft provided in the computer main body.
The liquid crystal panel is in a standing state, and when not in use, the liquid crystal panel covers a keyboard and the like of the computer body.

Here, in order to function as a lid of the liquid crystal panel, the liquid crystal panel is locked to the main unit so that the liquid crystal panel is safe even when moving. That is, a locking claw is provided on a part of the liquid crystal panel, and the locking claw is engaged with a hole or the like on the main body side to lock. Such a locking device is disclosed in, for example,
No. 8312, for example.

In the conventional lock device, a hook member for achieving the lock between the two is urged toward a lock position by a coil spring or the like, and the hook member is moved to a non-lock position by a finger or the like. Was unlocked. The coil spring used for urging the hook member pulls the hook member from the outside or presses the hook member from the opposite side.

[0005]

However, in the above-described locking device, since the spring is disposed around the hook member, a space for accommodating the spring is required, and the device cannot be downsized. There was a point.
Further, such a coil spring must be combined with a hook member with one end fixed to the liquid crystal panel side, and there is a problem that assembly is difficult.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object to provide a lock device which can be downsized in its entire structure and can be easily assembled.

[0007]

SUMMARY OF THE INVENTION The present invention is a locking device for locking a display panel, which also functions as a lid of a device body of an information device, to the device body, comprising a locking hole provided in the device body. A hook member provided on the display panel side, the lower end of which is inserted into the locking hole when the display panel is closed; a hook-shaped engaging portion provided at the lower end of the hook member to engage with the locking hole; A box-shaped spring storage portion provided on the upper inner surface side of the to accommodate a coil spring therein;
A holding member fixed inside the display panel for slidably holding the hook member within a predetermined range, and a projecting piece provided on the holding member for compressing a coil spring in the spring accommodating portion and urging the hook member in one direction. It is characterized by having.

[0008]

The lock device according to the present invention has the above-described structure, and the coil spring is compressed by the projecting piece provided on the holding member. Therefore, the hook member can be biased in one direction by the coil spring, and the lock can be achieved in a state where the lower end of the hook member is inserted into the locking hole on the main body side. On the other hand, when releasing the lock, the operator can easily release the lock by manually moving the hook member. And the coil spring
Since the lock device is housed in the box-shaped spring storage portion provided inside the hook member, the overall configuration of the lock device can be reduced in size. Further, since the coil spring is housed in the box-shaped spring storage portion, the locking device can be assembled by engaging the projecting piece in this state, and the assembly is very easy.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A lock device according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an external perspective view showing the overall configuration of a laptop computer as an information device having a lock device according to the present invention. It comprises a computer body 1 having a built-in CPU, HDD, FDD, etc. and having a keyboard on the front surface, and a liquid crystal panel 2 as a display panel having a display unit. And this liquid crystal panel 2
It has a notch 2a at its lower part, where it is pivotally supported by the bulging part 1a of the computer body 1. And FIG.
Is a state in which the liquid crystal panel 2 is standing up. In this state, the operator can turn on the switch and operate the keyboard or the like while looking at the display unit. On the other hand, in the non-use state, the liquid crystal panel 2 is rotated to the near side in the figure, and
It is designed to close.

A hook member 3 is built in a side surface of the liquid crystal panel 2, and a lower end of the hook member 3 is
The liquid crystal panel 2 is inserted into a lock hole 4 provided in a corresponding portion of the computer main body 1 so as to lock the liquid crystal panel 2 with respect to the computer main body 1 when the liquid crystal panel 2 is closed. In the vicinity of the hook member 3 of the liquid crystal panel 2,
A flip-up member 5 is provided so that the liquid crystal panel 2 can be urged away from the computer main body 1. The hook spring 6 urges the hook member 3 and the spring 7 urges the jump member 5.

Next, the configuration of the liquid crystal panel 2 will be described with reference to FIG. FIG. 2 illustrates an assembled state of the liquid crystal panel 2 and includes an outer cover 11 and an inner cover 12 corresponding thereto. Then, by combining the two covers 11 and 12, the liquid crystal panel 2 is formed.
Can be configured. In addition, an LCD unit 13 having a liquid crystal display unit for actually performing various displays is accommodated in the inside. This LCD unit 13
A pair of fixing fittings 14 functioning as holding members for the hook members
a and 14b are screwed to the inner cover 12 by four screws 15. Also, the fixing brackets 14a, 14b
Is further fixed to the inner case 12 by four screws 16. As described above, the left and right ends of the LCD unit 13 are fixed to the metal fixing fittings 14 and are reinforced by this. The fixing bracket 14 also functions as a reinforcement for the inner cover 12.

When assembling the liquid crystal panel 2, the LCD unit 13 is attached to the inner cover 12 together with the reinforcing metal fittings 14, and then the outer cover 11 is attached to these by appropriate means. Therefore, in the liquid crystal panel 2 of the present embodiment, the back surface of the LCD unit 13 can be seen with the outer cover 11 removed, which facilitates inspection and the like. Further, a connector 17 for electrical connection is formed on the back surface of the LCD unit 13, and an electrical connection with the computer main body 1 is made via the connector 17. Here, in the present embodiment, if the outer cover 11 is removed, the connection at the connector 17 can be easily released, and the removal of the LCD unit 13 and the like become very easy.

Further, most of the inner cover 12 is opened as a display section opening 12a, and although its strength is low, it is reinforced by the fixing bracket 14, so
The CD unit 13 can be reliably held and accommodated.
The inner cover 12 is provided with a hole 18 for projecting the lower end of the hook member 3 and a hole 19 for projecting the lower end of the flip-up member 5.

In this embodiment, the liquid crystal panel 2 has a hook member 3 on the near side in FIG.
The hook member 3 has a finger hook circular projection 2 on its outer surface.
1 and a hook-shaped engaging portion 22 is provided at the lower end thereof. On the other hand, on the back side, a bar-shaped key 23 is provided.
, An L-shaped projection 24, a box-shaped spring storage section 25, and a pair of sliding projections 26. An enlarged plate portion 24 a is formed at the tip of the L-shaped protrusion 24, and a projection 2 for hooking a spring is provided inside the spring storage portion 25.
5a is provided.

On the other hand, as shown in FIG. 4, the tip of the fixing bracket 14 to which the hook member 3 is attached
Key groove 31 for slidably holding L-shaped protrusion 24, slide groove 32 for slidably holding L-shaped protrusion 24, and spring engagement protrusion 3 for locking one end of a spring in spring housing 25.
Three.

When attaching such a hook member 3 to the distal end of the fixture 14, first, the L-shaped protrusion 24 is inserted into the slide groove 32. In this case, the slide groove 32
L through the enlarged portion 32a provided at the left end in FIG.
The enlarged portion 24a of the character-shaped protrusion 24 is inserted. On the other hand, the spring storing portion 25 has a hook spring 6 which is a coil spring in advance.
Is stored. That is, by aligning the left end of the hook spring 6 with the left side of the spring storage portion 25 and pressing it toward the back, the coil spring is engaged with the short protrusion 25a,
It can be stored inside this. Then, the hook member 3 is slid with the hook spring 6 accommodated in this manner, and one end of the hook spring 6 is pressed by the spring engaging projection 26. Then, the hook member 3 is pressed toward the fixture 14, and the key 23 is inserted into the key groove 31. Therefore, the hook member 3 is provided with a hook spring 6.
By the urging force, the fixing bracket 14 is urged toward the distal end side. In this state, if the fixing fitting 14 is screwed and fixed to the inner cover 12 with the screw 15, the lower end of the hook member 3 projects forward from a hole 18 provided in the inner cover 12.

Further, in the present embodiment, a flip-up member 5 and a flip-up spring 7 are provided. As shown in FIG. 5, the flip-up member 5 includes a rod 43 having two protrusions 41 and 42 and a rod 44 for a spring. The flip-up member 5 is locked at the tip of the fixture 14. That is, as shown in FIG. 4, the fixing bracket 14 has a pair of protrusions for holding the hole 51 a provided in the locking portion 51 into which the tip of the spring rod portion 44 is inserted and the protrusion 41 or 42. A locking portion 52 is provided. For this reason, the upper end of the spring rod 44 is inserted into the hole 51 a in a state where the spring 7 is mounted on the spring rod 44, and the spring 7 is disposed around the spring rod 44. The locking portion 51 around the hole 51a
Locked by. On the other hand, since the other end of the spring 7 is received by the pair of projecting locking portions 52, the spring member 5 is pressed downward as a whole. Then, the protruding portion 41 is received by the protruding locking portion 52, and stops in this state.

Next, locking and unlocking operations will be described with reference to FIG. As shown in FIG. 6A, when locked, the hook member 3 is urged toward the pivot side of the liquid crystal panel 2 by the compressive force of the hook spring 6. Therefore, the hook-shaped engaging portion 2 at the lower end of the hook member 3
2 is pressed against the end of the hole 4 on the side of the computer main body 1 and locking is achieved.

Next, when the hook member 3 is pulled to the left side in the figure by a finger, as shown in FIG.
The entire hook member 3 moves against the urging force of the hook spring 7, and the hook-shaped engaging portion 22 at the tip is free in the hole 4. Then, the flip-up member 5 pushes the surface of the computer body 1 by the urging force of the spring 7 to push up (turn) the entire liquid crystal panel 2. Therefore, the lower end of the hook member 3 is located on the surface of the computer main body 1. When the finger is released in this state, the hook member 3 returns to the original position by the force of the hook spring 6. Accordingly, as shown in FIG. 6C, the hook-shaped engaging portion 22 at the lower end of the hook member 3 enters between the surface of the computer main body 1 and the surface of the liquid crystal panel 2, and the lock is released. Therefore, the operator can easily rotate the liquid crystal panel 2 to bring it upright.

When the liquid crystal panel 2 is closed, the flip-up member 5 functions as a kind of cushioning material. Therefore, when the liquid crystal panel 2 is closed at a high speed, the momentum is suppressed, and Failure can be prevented. The covers 11 and 12 are preferably formed of ABS resin or the like, but the hook member 3 is preferably made of POM (polyoxyethylene) having high wear resistance.

[0022]

As described above, according to the lock device of the present invention, the spring is built in the hook member.
As a whole, the device becomes smaller and its assembly can be facilitated.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a computer.

FIG. 2 is an explanatory diagram of an assembled state of a liquid crystal panel.

FIG. 3 is a configuration diagram of a hook member.

FIG. 4 is a diagram showing a configuration of a distal end portion of a fixing bracket.

FIG. 5 is a configuration diagram of a flip-up member.

FIG. 6 is a diagram illustrating an operation of a lock.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Computer main body 2 Liquid crystal panel 3 Hook member 5 Bouncing member 6 Hook spring 7 Bouncing spring

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yoshihisa Tamura 2-18-18 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Minoru Imaizumi 2-18-18 Keihanhondori, Moriguchi-shi, Osaka Yo-Eki Co., Ltd. (56) References Hira 2-63118 (JP, U)

Claims (1)

(57) [Scope of request for utility model registration] 1. A locking device for locking a display panel, which also functions as a lid of a device body of an information device, to the device body, a locking hole provided in the device body, a lock hole provided on the display panel side, A hook member having a lower end inserted into the locking hole when the display panel is closed; a hook-shaped engaging portion provided at the lower end of the hook member to engage with the locking hole; and an upper inner surface of the hook member. A box-shaped spring housing portion for housing a coil spring therein; a holding member fixed inside the display panel for holding a hook member slidably within a predetermined range; and a coil spring provided on the holding member. And a projecting piece that compresses in the spring housing and urges the hook member in one direction.