JP2001228934A - Lid locking structure for electronic appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lid locking structure for an electronic appliance where a lid can be opened and closed by one operation and a cost for producing parts can be reduced by simplifying structure. SOLUTION: The structure is provided with an appliance main body 12 and the lid 13 which can be held to the main body 12 through a hinge part, in a freely rotatable manner and at an optional angle. The lid 13 is provided with a locking member 21 rototoble through an axis 21g, the main body 12 is provided with a locking receiving part 22 for locking the member 21, and the member 21 is provided with a urging means 21f for urging the member 21 to the part 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lid locking structure for an electronic device for locking a device body and a lid of an electronic device, and more particularly to a structure suitable for use in a portable personal computer or a portable information device terminal. The present invention relates to a lid locking structure for an electronic device.

[0002]

2. Description of the Related Art A conventional structure for locking a device body and a lid of an electronic device is disclosed in, for example, Japanese Utility Model Laid-Open No. 63-126923.
The locking device between the lid member and the display plate disclosed in Japanese Unexamined Patent Application Publication No. H11-157,086 can be cited. FIG. 7 is a partially exploded perspective view showing a device provided with the locking device.
1 is a device body having a keyboard 1a provided on a front upper surface portion and a storage space portion 1b provided on a rear upper surface portion, and 2 is a display plate rotatably supported at a front end position of the storage space portion 1b of the device main body 1. Reference numeral 3 denotes a lid member rotatably supported at a rear end position of the device main body 1.

Further, 4 is a pair of guide pins projecting from both side surfaces of the front end of the display plate 2, 5 is a guide groove formed on the inner surface of both side walls of the lid member 3, and the guide pin 4 is fitted therein.
Reference numeral 6 denotes a lid locking member including a pressing operation portion 6a and a locking hook portion 6b, 7 denotes a locking spring member including an urging spring portion 7a and a pin locking spring portion 7b, and 8 denotes a lid locking member 6 and locking. A screw for screwing the spring member 7 along the linear groove of the guide groove 5.

In this device, when the pressing operation portion 6a is pressed in a closed state in which the cover member 3 closes the storage space 1b of the device main body 1, the locking hook portion 6b moves inward, and the device main body 1 is moved. Is disengaged from the locking hole 1c. In this state, when the cover member 3 is rotated in the direction of standing about the support point of the base end, the guide pins 4 and 4 move along the guide groove 5, and the display plate 2 is connected to the cover member 3. Rotates in the opposite direction and stands upright. To store the display plate 2 from the opened state of the lid member 3, the above operation may be performed in reverse.

[0005]

The first problem is that in the above-mentioned conventional apparatus, the engagement between the locking hook 6b and the locking hole 1c is released by pressing the pressing operation portion 6a. It is necessary to perform two operations: an operation and an operation of rotating the lid member 3 in a direction in which the cover member 3 stands up about the support point at the base end.
There is a problem that it is difficult for an operator to open the lid member with a simple operation.

The second problem is that the shape of the pin locking spring portion 7b is complicated and the manufacturing cost is high, so that the cost of parts associated with the lid locking member is high, and it is difficult to reduce the price. There was a problem.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and enables the lid to be opened and closed by a single operation, and the manufacturing cost of parts can be reduced by simplifying the structure. To provide a lid locking structure for electronic devices.

[0008]

In order to solve the above-mentioned problems, the present invention employs the following lid locking structure for electronic equipment. That is, the lid locking structure for an electronic device according to claim 1 includes a device main body, and a lid that is rotatable and can be held at an arbitrary angle via the hinge portion on the device main body, and a shaft is attached to the lid. A locking member that is rotatable through the locking member, a locking receiving portion that locks the locking member is provided on the device main body, and the locking member is attached to the locking member. An urging means for urging the locking member, the urging means having a U-shaped portion, and urging the locking member toward the locking receiving portion; And a hook for engaging the U-shaped portion of the urging means when the locking member is locked to the locking receiving portion.

According to a second aspect of the present invention, there is provided a lid locking structure for an electronic device.
The shaft, the urging means and the locking member are integrated.

According to a third aspect of the present invention, there is provided a lid locking structure for an electronic device.
The integrated shaft, the urging means and the locking member are integrally formed of a material having either elasticity or toughness.

According to a fourth aspect of the present invention, there is provided a lid locking structure for an electronic device.
The distal end of the locking member is a locking hook, and the locking receiving portion is a recess for engaging the hook. The lid locking structure of an electronic device according to claim 5, wherein the locking member is rotatably fixed near an edge of the lid opposite to the hinge,
The U-shaped portion and the locking hook at the distal end of the locking member are provided so as to be substantially perpendicular to each other.

According to a sixth aspect of the present invention, there is provided a lid locking structure for an electronic device.
The locking member is provided with a rotation control member for rotating within a predetermined angle.

According to a seventh aspect of the present invention, there is provided a lid locking structure for an electronic device.
The rotation control member is a projection that rotates around the axis together with the rotation of the locking member in the lid, and the projection contacts the inside of the lid, thereby rotating the locking member. Is to be stopped.

In the lid locking structure for an electronic device according to the present invention, the lid is provided with a locking member rotatable via a shaft, and the locking member is locked to the device body. By providing a locking receiving portion to perform, the biasing means for biasing the locking member to the locking receiving portion on the locking member,
Just by releasing the urging means, the locking between the locking member and the locking receiving portion is released, and the lid can be opened and closed by a single operation.

In addition, since it is not necessary to use a component having a complicated shape such as a conventional pin locking spring portion, the structure can be simplified, the manufacturing cost can be reduced, and the cost of the product can be reduced. Pricing becomes possible.

According to a fourth aspect of the present invention, the distal end of the locking member is a locking hook, and the locking receiving portion is a recess for engaging the hook. By doing
Engagement of the locking member and the locking receiving portion becomes more reliable.

According to a sixth aspect of the present invention, in the lid locking structure for an electronic device, the locking member is provided with a rotation control member for rotating within a predetermined angle. Even if an external force greater than the specified magnitude is applied,
The rotation control member restricts the rotation of the locking member within a predetermined angle. This prevents a decrease in the urging force of the urging means or a decrease in the characteristics of a material having either elasticity or toughness.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a lid locking structure for an electronic device according to the present invention will be described below with reference to the drawings.

First Embodiment FIG. 1 is a perspective view showing a closed state of an electronic device to which a lid locking structure according to a first embodiment of the present invention is applied, and FIG. 2 is a cover of the electronic device. FIG. 1 is a perspective view showing an opened state, in which 11 is an electronic device, which is a device main body 12 having a liquid crystal display section 12a, and a lower case 13a for mounting electronic components such as a printed wiring board therein. And a lid 13 composed of an upper case 13b.

The lid 13 is openable and closable with respect to the main body 12 around a hinge 14. When the lid 13 is closed, the main body 12 is closed by a lid locking member 21.
And the lid 13 are engaged. At this time, locking hooks 21a, 21a provided on both inner surfaces of the lid locking member 21 and concave portions 22, 22 provided in the device body 12 corresponding to the positions of the locking hooks 21a, 21a are provided. Are engaged.

As shown in FIG. 3, the lid locking member 21 has locking hooks 21a, 21a provided on the inside of both ends, shaft holes 21b, 21b formed on both ends, and is formed at the center of the upper part. Convex part (projection part) 21 c and concave part 21 d, concave part 2
It has a pair of spring guide holes 21e, 21e formed in 1d.

In the lid locking member 21, a spring (biasing means) 21f having a U-shaped portion 21j formed of a spring wire having a circular cross section is inserted into the concave portion 21d, and the shaft (shaft) 21g is connected to the shaft 21g. It penetrates the hole 21b and the spiral portions 21i, 21i of the fly 21f. The convex arc portions 21h, 21h provided on the lid locking member 21 are arranged on the concave arc portions 13e, 13e provided on the lower case 13a, and the U-shaped portion 21j of the spring 21f is engaged with the hook portion 13d. Further, the recesses 13c, 1c are utilized by utilizing the bending of the spring 21f.
Both ends of the shaft 21g are arranged at 3c.

Next, the operation will be described. When closing the lid 13, as shown in FIG. 4, the locking hooks 21a of the lid locking member 21 are moved by the urging force of the spring 21f.
The two concave portions 22, 22 are urged into an engaged state.

When the lid 13 is opened, as shown in FIG. 5, an external force F that rotates outward about the shaft 21g is applied to the lid locking member 21 against the urging force of the spring 21f. , Locking hooks 21a, 21a and recess 2 of device body 12
Disengage with 2, 22. At this time, even if the external force F is too large, the lid locking member 21 is not rotated more than a predetermined angle.
The convex portion 21c hits the lower case 13a, and the lid locking member 21
Of the spring 21f is stopped to prevent the spring force from decreasing due to the set of the spring 21f.

According to the lid locking structure of the first embodiment, the locking hooks 21a, 21a and the spring 2 for urging the locking hooks 21a, 21a in the direction of locking the locking hooks 21a, 21a are attached to the lid 13.
1f, a lid locking member 21 is provided, and the device main body 12 has a concave portion 22 corresponding to the position of the locking hooks 21a, 21a.
22 is formed, and the locking hooks 21a, 21a are engaged with the recesses 22, 22 by the urging force of the spring 21f, so that the locking hooks 21a, 21a and the recesses 22, 22 are formed. Is more reliably engaged. In addition, the movement of the lid locking member 21 at the time of unlocking becomes a rotation type around the axis, which is the same as a series of operations for opening the lid 13, and the lid 13 can be easily opened and closed.

Also, since the spring 21f can be manufactured using a spring wire having a circular cross section, its structure is simplified, and a special mold is required like a conventional locking spring member. And the manufacturing cost can be reduced, and the cost of the product can be reduced.

[Second Embodiment] FIG. 6 is an exploded perspective view of a main part of an electronic apparatus to which a lid locking structure according to a second embodiment of the present invention is applied, which is different from the first embodiment. Is a point that the lid locking member 21, the spring 21f, and the shaft 21g are integrated, that is, the lid locking member 21, the spring 21
f and the shaft 21g are integrally formed. That is, using a material having either elasticity or toughness.
Lid locking member 31, U-shaped portion 31a and convex shafts 31b, 31
By integrally molding b, a lid locking member similar to that of the first embodiment can be obtained.

[0028]

As described above, according to the first aspect of the present invention,
According to the lid locking structure of the electronic device described in 2 or 3, the locking member is provided on the lid so as to be rotatable via a shaft, and the locking receiving portion locks the locking member on the device main body. Is provided on the locking member, and biasing means for biasing the locking member toward the locking receiving portion is provided. Therefore, simply by releasing the biasing means, the locking member and the locking receiving portion are provided. Is released, and the lid can be opened and closed with a single operation.

Further, since it is not necessary to use a component having a complicated shape such as a conventional pin locking spring portion, the structure can be simplified and the manufacturing cost can be reduced. Therefore, the price of the product can be reduced.

According to the lid locking structure of the electronic device according to the fourth and fifth aspects, the leading end of the locking member is a locking hook, and the locking receiving portion is a recess for engaging the hook. Therefore, the engagement between the locking member and the locking receiving portion can be ensured.

According to the lid locking structure of the electronic device according to the sixth or seventh aspect, since the locking member is provided with a rotation control member for rotating within a predetermined angle, the locking member is provided. Even when an external force equal to or more than a predetermined magnitude is applied, the rotation of the locking member can be limited to within a predetermined angle by the rotation control member. Therefore, it is possible to prevent an external force exceeding the elastic limit from acting on the urging means, thereby preventing a decrease in the urging force. In the case of a material having either elasticity or toughness, it is possible to prevent an external force exceeding the elasticity limit or the toughness limit from acting, and to prevent deterioration of either elasticity or toughness.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a lid of an electronic device to which a lid locking structure according to a first embodiment of the present invention is applied is closed.

FIG. 2 is a perspective view showing a state in which a lid of the electronic device to which the lid locking structure according to the first embodiment of the present invention is applied is opened.

FIG. 3 is an enlarged exploded perspective view showing a main part of the lid locking structure according to the first embodiment of the present invention.

FIG. 4 is a sectional view taken along line AA of FIG.

FIG. 5 is a sectional view taken along line BB of FIG. 1;

FIG. 6 is an enlarged exploded perspective view showing a main part of a lid locking structure according to a second embodiment of the present invention.

FIG. 7 is a partially exploded perspective view showing a device provided with a conventional locking device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 11 electronic device 12 device main body 12a liquid crystal display portion 13 lid 13a lower case 13b upper case 13e concave arc portion 14 hinge 21 lid locking member 21a locking hook portion 21b shaft hole 21c convex portion (projecting portion) 21d concave portion 21e spring guide Hole 21f Spring (biasing means) 21g Shaft (shaft) 21h Convex arc part 21i Spiral part 21j U-shaped part 31 Cover locking member 31a U-shaped part 31b Convex axis

Claims (7)

[Claims] 1. A lid locking structure for an electronic device, comprising: a device main body; and a lid rotatable and held at an arbitrary angle on the device main body via a hinge portion, wherein a shaft is attached to the lid. A locking member that is rotatable through the locking member, a locking receiving portion that locks the locking member is provided on the device main body, and the locking member is fixed to the locking member, and the locking member is locked. Urging means having a U-shaped portion while urging the receiving portion; and a U-shaped portion of the urging means provided with the lid and locking the locking member to a locking receiving portion. A lid locking structure for an electronic device, comprising: a hook portion to be engaged; 2. The lid locking structure for an electronic device according to claim 1, wherein the shaft, the urging means, and the locking member are integrated. 3. The integrated shaft, the biasing means and the locking member are integrally formed of a material having either elasticity or toughness.
A lid locking structure for the electronic device according to the above. 4. The locking member according to claim 1, wherein a tip portion of the locking member is a locking hook portion, and the locking receiving portion is a concave portion for engaging the locking hook portion. 3. The lid locking structure of the electronic device according to 3. 5. The locking member is rotatably fixed near an edge of the lid opposite to the hinge, and is provided with the U-shaped portion and the locking hook at a tip end of the locking member. 5. The lid locking structure for an electronic device according to claim 4, wherein the angle is substantially perpendicular. 6. A lid for an electronic device according to claim 1, wherein said locking member is provided with a rotation control member for rotating within a predetermined angle. Locking structure. 7. The rotation control member is a projection that rotates around the axis together with the rotation of the locking member in the lid, and the projection contacts the inside of the lid, 7. The lid locking structure for an electronic device according to claim 6, wherein the rotation of the locking member is stopped.