JPH03106098A - Locking mechanism - Google Patents

Abstract

PURPOSE:To improve a locking mechanism in external appearance by a method wherein a blocking piece capable of freely opening or closing an insertion hole into which a hook piece is inserted is provided, the blocking piece is opened by inserting the hook piece into the insertion hole and closed by pulling out the hook piece from the insertion hole. CONSTITUTION:An insertion hole 82 into which a hook piece 69 is inserted is provided to a member 2 out of two members which are locked together, and the hook piece 69 is engaged with an engaging part 78a passing through the insertion hole 82. A blocking piece 79 capable of freely opening or closing the insertion hole 82 is provided, and the blocking piece 79 is opened by inserting the hook piece 69 into the insertion hole 82 and closed by pulling out the hook piece 79 from the insertion hole 82. Therefore, the insertion hole 82 is blocked by the blocking piece 79 while the hook piece 69 is not inserted into the insertion hole 82. By this setup, when two members are separated from each other or open, the insertion hole 82 into which the hook piece 69 is inserted is closed, so that a locking structure of this design can be improved in external appearance.

Description

DETAILED DESCRIPTION OF THE INVENTION The locking mechanism of the present invention will be explained in detail according to the following items.

A. Industrial application field B. Summary of the invention C. Prior art D. Problem to be solved by the invention E. Means for solving problems F. Embodiments [Figures 1 to 17] a. Outline of personal computer b. Housing b-1. Input/display unit casing b-2, main unit casing C, lock mechanism d. Input pen and its storage recess e, memory card insertion part f. Battery compartment g. Voice memo h, handset holder i, other G. Effects of the Invention (A. Field of Industrial Application) The present invention relates to a novel locking mechanism. Specifically, it is a locking mechanism that locks two members by engaging a hook piece protruding from one member with an engaging portion provided on the other member, and for inserting the hook piece into the other member. The appearance is improved by closing the insertion hole formed in the hole through which the hook piece is not inserted.

(B. Summary of the Invention) In the locking mechanism of the present invention, an insertion hole for receiving a hook piece is formed in the other member, and the hook piece is inserted through the insertion hole and engaged with the engaging portion. , a closing piece is provided to freely open and close the insertion hole, and when the hook piece is inserted into the insertion hole, the closing piece opens, and when the hook piece comes out of the insertion hole, the closing piece is closed. While the hook piece is not inserted into the insertion hole, the insertion hole is closed by the closing piece, so that when the two members are separated or opened, the insertion hole through which the hook piece is inserted is closed and the appearance is changed. will improve.

(C. Prior Art) When two parts are combined so that they can be opened and closed, such as the input part and display part of a word processor, or the main body part and display part of a laptop computer, a hook piece is provided protruding from one part. An insertion hole is formed in the other part, and the hook piece is inserted into the insertion hole and engaged with the opening edge of the insertion hole to lock the two parts.

Usually, the hook piece is made slidable and has an elastic means associated with it, so that when the hook piece passes through the insertion hole, it is pushed by the opening edge of the insertion hole and slides against the elastic means. death,
When the claw portion of the hook piece passes through the insertion hole, the hook piece is returned to its original position by the resilient means so that the claw portion engages with the opening edge of the insertion hole.

(D. Problems to be Solved by the Invention) By the way, in the locking mechanism described above, when the locking mechanism is not working, that is, when the device is in use, the insertion hole for inserting the hook piece. There was a problem that the image could be seen and the appearance was poor.

(E. Means for Solving the Problems) In order to solve the above problems, the locking mechanism of the present invention has the following features:
A closing piece is provided to freely open and close the insertion hole through which the hook piece is inserted, and when the hook piece is inserted into the insertion hole, the closing piece opens, and when the hook piece comes out of the insertion hole, the closing piece is closed. This is what I did.

Therefore, according to the locking mechanism of the present invention, while the hook piece is not inserted into the insertion hole, the insertion hole is closed by the closing piece, so that when the two members are separated or opened, the insertion hole is closed. The insertion hole through which the piece is inserted is closed and the appearance is improved.

(F. Embodiments) [Figures 1 to 17] The locking mechanism of the present invention will be described in detail below according to illustrated embodiments.

In the illustrated embodiment, the present invention is applied to a locking mechanism for locking the closed state between the input/display section and the main body section of a small personal computer, which are connected to each other so as to be openable and closable.

(a. Outline of personal computer) In the figure, 1 is a personal computer.

The personal computer 1 consists of an input/display section 2 and a main body section 3 which are constructed in separate casings, and one side edge of the human power/display section 2 and one side edge of the main body section 3 are hinged together. ,
When not in use, the human power/display section 2 and the main body section 3 are placed in a closed state so as to overlap each other, as shown in FIG. 1, and in this closed state, the device can be held under the armpit or in the hand. When in use, as shown in Figure 3, the input/display section 2 and main body section 3 are opened at an angle of about 180 degrees, and the input/display section 2 is placed in front of you on a desk or on your lap. It can be used by placing it on top of the computer or holding it in the palm of your hand.

A liquid crystal tablet panel 5 is fitted into the upper surface of the housing 4 of the input/display section 2, that is, the surface 4a facing upward when opened, so as to occupy most of the area.
Manual input and icon operations are performed, and necessary displays are made. The liquid crystal tablet panel 5 is, for example, a transparent human-powered tablet superimposed on a liquid crystal display panel.

7, 7, . . . are operation buttons arranged along the right side of the liquid crystal tablet panel 5 on the upper surface 4a of the housing 4.

A pen storage recess 9 that is long in the left-right direction is formed on the upper surface of the housing 8 of the main body section 3, that is, on the front side of the surface 8a that faces upward when opened, that is, on the part near the input/display section 2 II1. The input vent 6 and its connection cord 10 are housed here.

In addition, a battery storage section 11, a speaker 12, various operation buttons 13, 13, . . . , and an operation dial l4 are provided on the upper surface of the main body housing 8.

In addition, the display circuit of the 7-night crystal tablet panel 5, the human power circuit, etc. are housed in the human power/display part housing 4, and the arithmetic control part of the personal computer l, such as the CPU and memory, is housed in the main body part housing 8. It houses the storage unit, various interfaces, etc.

(b. Housing) Next, the housings 4 and 8 will be explained. Here, the basic structure of the casings 4 and 8 will be explained, and each part shaped or attached to the casings 4 and 8 will be described later.

<b-1. Human power/display unit housing) The human power/display unit housing 4 is composed of a lower half 15 and an upper half 16.

The lower half 15 has a bottom plate portion 17 having a horizontally long rectangular shape in plan view.
and a peripheral wall portion 18 rising from the periphery of the bottom plate portion 17, forming a shallow dish shape.

A cylindrical element l9 that protrudes from the center of the upper edge of the opposite side 18a of the peripheral wall portion 18 toward the other side, curves upward toward the end, and has a partial cylindrical shape corresponding to about a quarter of a circle.
are integrally protruded.

Further, the upper edge of the opposite side portion 18a of the peripheral wall portion 18 protrudes toward the opposite side from positions near both left and right ends, and curves upward as it goes toward the end C, forming a partial cylindrical shape corresponding to approximately one-fourth of a circle. Receiver elements 20, 20' are integrally provided in a protruding manner. Note that cover portions 20a, 20'a are integrally connected to the outer ends of the receiver elements 20, 20', that is, the left end of the left receiver element 20 and the right end of the right receiver element 20'. It is set up.

Reference numerals 21 and 21' designate bearing bodies, which include support pieces 21a and 21'a each having a substantially L-shaped plate shape when viewed from the front;
Short cylindrical bearing parts 2lb and 21'b are formed integrally with each other so as to be offset toward the upper end of 21'a, and the axial direction of the bearing parts 2lb and 21'b is in the left-right direction. It's suitable.

Then, the support pieces 2ta, 2t''a are fixed inside the opposite side 18a of the peripheral wall 18, so that the bearing parts 21b, 21'b are placed on the receiver elements 20, 20'. come to be located in the state.

Reference numeral 22 denotes a cylindrical element member, which includes a plate-shaped mounting piece 23 long in the left-right direction, a support piece 24 erected from the mounting piece 23,
25 and cylindrical element portions 26 and 27 connected to the upper ends of the support pieces 24 and 25 are integrally formed. Cylinder element part 26,
27 projects to the other side of the support pieces 24 and 25, and has a semi-cylindrical shape with an axial direction extending in the left-right direction and a concave portion facing downward, and closing walls 26a and 27a are formed at opposite ends. ing.

Then, the mounting piece 23 is fixed onto the mounting seats 28 and 28 which are set upright from the bottom plate part 17, and the cylinder element parts 26 and 27 are placed on the cylinder element 19, whereby the cylinder element part The lower sides of 26 and 27 are substantially covered by the cylindrical element 19, forming cylindrical portions 29a and 29b with closed inner ends and open left and right ends.

The upper half 16 has a horizontally long rectangular top plate portion 30 in plan view.
and engagement walls 31, 31, . . . that protrude downward from the slightly inner sides of the front edge, left and right side edges of the top plate portion 30.
・It is formed integrally with.

A cylindrical element 32 is formed that projects upward and toward the opposite side from the center of the opposite side edge of the top plate portion 30. The cylindrical element 32 has a substantially semi-cylindrical shape, and its axial direction extends in the left-right direction, with the recess facing downward.

Receiving cylinder elements 33, 33' are formed from positions near both left and right ends of the opposite side edge of the top plate portion 30 to protrude upward and toward the opposite side.

The receiver elements 33, 33' have a substantially semi-cylindrical shape, with the axial direction extending in the left-right direction and the concave portion facing downward. Note that the outer ends of these receiver elements 33 and 33', that is, the left end of the left receiver element 33 and the right receiver element 33
Cover portions 33a and 33'a are integrally connected to the right end portion of '.

Also, from two places between the cylinder element 32 and the receiving cylinder elements 33, 33' on the opposite side edge of the top plate part 30, the receiving edges 34, 34'
protrudes toward the opposite side and downward, and the receiving edge 3
4 and 34' have a partially cylindrical concave upper surface.

Thus, the upper half 16 is superimposed on the lower half 715, and the engagement walls 31, 31, . . The engagement walls 31, 31, . . . are engaged by engagement means (not shown), and the lower half 15 and the upper half 16 are coupled at several locations with screws to form the casing 4.

Then, the cylindrical element 19 of the lower half 15 and the cylindrical element 32 of the upper half 16 are butted against each other to form an outer cylindrical part 35 surrounding the cylindrical element parts 26 and 27 of the cylindrical element member 22.

36 is a large window formed in the top plate portion 30, and the liquid crystal tablet panel 5 is arranged in the housing 4 so as to close this window 36 from the inside.

37 is a printed circuit board disposed below the liquid crystal tablet panel 5 in the housing 4.

38, 38, . . . are codes pulled out from the printed circuit board 37, and these codes 38, 38, .
is inserted through the cylindrical portion 29a and led out of the housing 4 from the left end of the cylindrical portion 29a.

Operation switches 39, 39, . . . are arranged in the lower half 15 at positions corresponding to the operation buttons 7, 7, . The jack 40a of the member 40 is connected to the peripheral wall portion 1
It is exposed to the outside through a hole 41 formed in the right side 18b of 8.

Reference numeral 42 designates a microphone disposed on the right front side of the lower half 15, and is exposed to the outside through small holes 43, 43, 43 formed at the right end of the front portion 18c of the peripheral wall portion l8.

44, 44, . . . are the operation switches 39, 39, .
. . . are cords pulled out from the jack member 40 and the microphone 42, and these cords 44, 44, .
* is inserted through the cylindrical portion 29b and led out of the housing 4 from the right end of the cylindrical portion 29b.

In addition, 45, 45 are connectors connected to the tips of the cords 38, 38, . . . , and 46, 46, 46 are the cords 44, 4.
4. This is a connector connected to the tip of...

(b-2. Wooden body part casing) The main body part casing 8 is also separated from the lower half 47 and the upper half 48. Note that the vertical relationship here refers to the vertical relationship when the casings 4 and 8 are opened as shown in FIG. Or the rear side.

The lower part 747 has a bottom plate part 49 which has a horizontally long rectangular shape in plan view.
and a peripheral wall portion 50 erected from the periphery of the bottom plate portion 49.

It protrudes toward the front from a position between the center part and both ends of the front side part 50a of the peripheral wall part 50, and curves upward toward the end, forming a partial cylindrical shape corresponding to about a quarter of a circle. Cylindrical elements 51 and 51' are integrally provided in a protruding manner.

Reference numeral 52 denotes a shaft member, which includes a mounting portion 53 having a plate shape elongated in the left-right direction, a cylindrical support portion 54 projecting upward and toward the front from the upper left end of the mounting portion 53; A cylindrical shaft portion 55 protruding from the left end surface is integrally formed. The support portion 54 and the shaft portion 55 coaxially extend in the left-right direction, and the shaft portion 55 is formed to have a smaller diameter than the support portion 54 .

The mounting portion 53 of the shaft member 52 is fixed to the inner side of the front side portion 50a of the peripheral wall portion 50, so that the support portion 54 is positioned as if placed on the left end portion of the cylindrical element 51,
The shaft portion 55 is in a state of protruding leftward from the left end of the cylindrical element 51. The shaft portion 55 is rotatably fitted into the bearing portion 21b of the manpower/display unit housing 4, thereby forming a left-side hinge connection.

Reference numeral 56 denotes a right bearing member, which is integrally formed with a plate-shaped mounting portion 57 and a support portion 58 that projects upwardly and toward the front from the upper end of the mounting portion 57. Reference numeral 59 denotes a shaft body formed of metal, which has a short cylindrical shape, and includes a friction shaft 59a fixed to the support portion 58 so as to protrude from its right end surface, and a right end of the friction shaft 59a having a smaller diameter than the friction shaft 59a. A rotating shaft 59b protruding rightward from the center of the surface is integrally formed.

The mounting portion 57 is fixed to the inner side of the front side portion 50a of the peripheral wall portion 50, so that the support portion 58 is positioned as if placed on the right end portion of the cylindrical element 51', and the shaft body 5
9 protrudes rightward from the right end of the cylindrical element 51'.

On the other hand, a cylindrical body 60 is protruded from the left end surface of the bearing part 21'b provided in the human power/display part 2, and a bearing hole 61 is formed through the center of the cylindrical body 60 and the bearing part 21'b. It is well-formed. Reference numeral 62 denotes a coil spring, which is longer in shape than the cylindrical body 60, is fitted onto the cylindrical body 60, and is fixed to the cylindrical body 60 by an appropriate means such as adhesive. The coil spring 62 has its left end 62
a projects to the left from the left end of the cylindrical body 60.

The rotation shaft 59b provided in the main body housing 8 is rotatably inserted into the bearing hole 61 from the left, and the friction shaft 59a is fitted into the left end 62a of the coil spring 62.

Then, an E ring 63 is engaged with the end of the rotating shaft 59b protruding from the right end of the bearing portion 21'b to prevent the rotating shaft 59b from coming off from the bearing hole 61.

In this way, the right sides of the casings 4 and 8 are hinged together.

The outer diameter of the friction shaft 59a is the same as or slightly larger than the inner diameter of the coil spring 62, so the friction shaft 59a
A frictional force acts between the coil spring 62 and the coil spring 62. Therefore, when the shaft 59 rotates in a direction that expands the diameter of the coil spring 62 due to the frictional force, that is, in the forward direction, there is not much resistance, but when it rotates in a direction that narrows the diameter of the coil spring 62, that is, in the reverse direction. will encounter a large amount of resistance. In this embodiment, the input/display section 2 and the main body section 3 are opened in opposite directions, and closed in the forward direction.

Therefore, the input/display section 2 and main body section 3 can be opened up to 180 degrees, but if the main body section 3 is stopped and used at any position from 90' to 1800 degrees, the main body section 3 may open further due to its own weight. can be prevented.

The upper half 48 has a generally horizontally long rectangular shape when viewed from above, and has a shallow notch 64 formed on the front edge thereof, excluding both left and right ends.

Semi-cylindrical cylindrical elements 65, 65' whose axial direction extends in the left-right direction and whose concave portions face downward are protruded toward the front side at positions close to the left and right ends of the notch 64.

Thus, when the lower half 47 and the upper half 48 are combined, the cylindrical elements 51, 51' of the lower half 747 and the upper half 48
The cylindrical elements 65, 65' form cylindrical portions 66, 66'. These cylindrical portions 66, 66' are communicated with the inside of the housing 8 on the inside thereof.

Thus, when the casings 4 and 8 are hinged together, the casing 8
The cylindrical portion 66 is connected to the cylindrical portion 35 of the housing 4 and the receiver elements 20, 3.
3, and the cylindrical portion 66' is located between the cylindrical portion 35 and the receiver elements 20', 33'. The cords 38, 38, .
4, 44, . . . enter into the housing 8 through the rear cylindrical portion 66' extending from the right end of the cylindrical portion 29b.

67 is a printed circuit board disposed within the housing 8, and the connectors 45, 45, 46, 46146 are connected to connectors 68, 68, . . . provided on the printed circuit board 67.

(c. Lock Mechanism) Next, a lock mechanism for locking the input/display section 2 and the main body section 3 in a closed state will be described.

Reference numeral 69 denotes a hook piece, which projects upward from the center of the opposite end of the housing 8. A claw piece 69a is formed from the upper end of the hook piece 69 and projects to the right.
The upper right edge of 9a is an inclined edge 69b that slopes downward to the right.

Reference numeral 70 denotes a lock portion provided on the casing 4, and is used to detachably lock the hook piece 69.

Reference numeral 71 denotes a guide wall erected from the bottom plate portion 17 so as to face the center portion in the left-right direction of the front side circumferential wall portion 18c of the lower half 15 of the housing 4 with a slight spacing therebetween;
From the right end of the support wall 71 toward the front peripheral wall portion 18C.
A is provided protrudingly.

A slit 72 long in the left and right directions is formed in the front peripheral wall portion 18c of the housing 4 at a position facing substantially the center of the guide wall 71.

Reference numeral 73 denotes a sliding body that is long in the left-right direction, and has a U-shaped cross section that opens rearward.

A guided protrusion 74a is provided at approximately the center in the left-right direction of the front piece 74 of the sliding body 73 so as to protrude forward. The sliding body 73 is connected to the guide wall 71 and the front peripheral wall portion 18.
The guided protrusion 74a is slidably inserted in the slit 72 formed in the front peripheral wall portion 18c.

Reference numeral 75 designates a handle attached to a portion of the guided protrusion 74a that protrudes forward through the slit 72 of the front circumferential portion 18c, and the operator slides the sliding body 73 using the handle. The sliding range of the sliding body 73 is between the position where the guided protrusion 74a abuts the left end of the slit 72 and the position where it abuts the right end.

74b is a pressure-receiving piece that projects rearward from a position slightly to the right of the approximate center in the left-right direction on the rear surface of the front piece 74, and a compression coil spring 76 is installed between the pressure-receiving piece 74b and the support wall 71a. is contracted, and as a result, a moving force toward the left is applied to the sliding body 73, and while no moving force is applied to the sliding body 73 to the right, , is located at the left end of the above-mentioned movement range.

A hole 78 long in the left-right direction is formed in the left half of the upper piece 77 of the sliding body 73, and a right end edge 78a of the opening edge of the hole 78 is used as a locking edge.

Reference numeral 79 denotes a closing plate having a planar shape that almost completely complements the hole 78, and a support shaft 80 whose left end protrudes rearward from the front piece 74 of the sliding body 73 when the hole 78 is closed. It is rotatably supported.

81 is a torsion spring, and its fill portion 81
a is fitted onto the support @80, one arm aib is in elastic contact with the lower surface of the left end of the upper piece 77 of the sliding body 73, and the other arm 81c is in elastic contact with the lower surface of the closing plate 79, As a result, a turning force is applied to the closing plate 79 in a direction in which the rotating end, that is, the right end thereof, moves upward.

A stopper piece 79a is protruded rightward from the lower surface of the right end of the closing plate 79.
a engages with the lower surface of the locking edge 78a,
Further upward rotation of the closing plate 79 is prevented, and in this state, the closing plate 79 substantially completely closes the hole 78.

82 is the top plate part 30 of the upper half 16 of the human power/display unit housing 4
This is a horizontally elongated insertion hole formed at approximately the center in the left-right direction of the front side edge of the locking portion 70, and is formed at a position straddling the right end portion of the closing plate 79 of the locking portion 70 and the locking edge 78a. There is.

When the main body part 3 and the input/display part 2 are closed manually, the hook piece 69 on the main body part 3 side is inserted into the insertion hole 82 of the input/display part 2.
The portion of the inclined edge 69b near the left end comes into contact with the locking edge 78a of the locking portion 70 (see FIG. 9(A)). From this state, hook piece 6
9 enters into the housing 4, the locking a&78a is pressed diagonally downward to the right by the inclination i69b, so the sliding body 73 moves to the right against the elastic force of the compression coil spring 76. (See Figure 9(B)). This allows the hook piece 69 to further enter the housing 4, and is pressed by the lower end of the hook piece 69, causing the closing plate 79 to rotate downward against the elastic force of the torsion spring 81. . In this way, when the claw piece 69a of the hook piece 69 reaches a position below the upper piece 77 of the sliding body 73 (see FIG. 9(C)), the force that was pressing the locking edge 78a to the right is removed, the sliding body 73 moves to the left by the elastic force of the compression coil spring 76, and the locking edge 78a comes to the upper side of the claw piece 69a. 78a (see Fig. 9).
(see D)), the human power/display section 2 and the main body section 3 are locked in the closed state, and unless the claw piece 69a and the lock Q78a are disengaged, the human power/display section 2 and the main body section 2 will be locked. Part 3 will never be held.

To release the lock, the handle 75 located on the front surface of the housing 4 may be moved to the right. As a result, the sliding body 73 is moved to the right against the elastic force of the compression coil spring 76, and the locking edge 78a is moved against the hook piece 69.
Since the claw piece 69a escapes to the right from above, the display unit 2 and the main unit 3 can be opened manually.

When the display section 2 and the main body section 3 are opened manually, the hook piece 69 that has been pushing the closing plate 79 downward escapes upward, so that the closing plate 79 is moved by the elastic force of the torsion spring 81. is rotated upward by the hole 78.
becomes occluded. Therefore, while the personal computer 1 is in use, the insertion hole 82 formed in the front of the top surface of the housing 4 is closed, improving the appearance.

(d. Manual pen and its storage recess) The pen storage recess 9 is formed in the upper half 48 of the main body housing 8 so as to be elongated in the left-right direction along the front side edge thereof. The pen storage recess 9 has a right side approximately two-thirds portion 9b wider than a left side approximately one-thirds portion 9a, and the left end of the narrow portion 9a is An insertion hole 83 is formed. Further, a hole 84 is provided at the left end of the rear inner surface of the wide portion 9b.
A jack 85a of a jack member 85 fixed to the inner surface of the upper half 48 faces into the recess 9 from the hole 84.

Although there are several types of manual bezels used as a coordinate specifying device for a tablet, in the present invention, an electrostatic pressure-sensitive type manual bevel 6 is employed as a coordinate point specifying device for the liquid crystal tablet panel 5.

The tip of the man-powered ben 6 is formed to be thinner than the remaining portion, and a contact portion 6b is further formed at the tip of the narrow diameter portion 6a.

The connection cord 10 is spirally wound, is led out from the rear end of the human-powered pen 6, and has a plug 1. Oa is connected.

However, in human powered Ben 6, Brag 10a is Jack 85a.
It is used by being inserted into. Also, while the plug 10a is inserted into the jack 85a, the manual bend 6 and the connection coat 1 are connected.
0 can be stored in the storage recess 9. That is,
With the narrow diameter part 6a of the storage case 6 inserted into the insertion hole 83, the storage case 6 is stored in front of the narrow part 9a and the wide part 9b, and the connection coat 10 is stored in the rear side of the wide part 9b. I can do it.

The plug 10a can be used by being inserted not only into the jack 85a facing into the recess 9 but also into the jack 40a facing the front end of the right side of the input/display unit housing 4. This allows the user to select and use a jack that is convenient for use. Therefore, Brag 10a
The jack for inserting the casing 4 or 8 may face other parts of the casing 4 or 8 instead of just this one.

(e. Memory Card Insertion Section) 86 is an insertion section for a memory card, for example, an IC card.

Reference numeral 87 denotes an insertion port formed at a position slightly closer to the upper edge of the left side portion 50b of the peripheral wall portion 50 of the lower half 47 of the main body housing 8 so as to extend in the front-rear direction. Concave portions 88, 88 extending from near the upper end to the lower end are formed in portions of the left peripheral wall portion 50b located on both sides of the insertion port 87. In addition, the bottom plate portion 49
A portion 89 corresponding to the recessed portions 88, 88 and the portion between them is shallowly cut out on the left side edge of the recessed portion 88.

Reference numeral 90 denotes a card connector disposed in the housing 8 at a position opposite to the insertion slot 87, into which the connection end 91a of the IC card 91 inserted through the insertion slot 87 is inserted. Connected to a circuit not shown.

92, 92 is an insertion opening 87 in the upper edge of the left peripheral wall portion 50b.
This is a cutout located near both ends of the .

93 is a lid made of synthetic resin.

Reference numeral 94 designates the main portion of the lid body 93, which has a plate shape long in the front-rear direction, and whose lower end portion is slightly curved to the right.

Reference numerals 95 and 95 are arm pieces that are approximately inverted L-shaped when viewed from the front, and are slightly above the center in the vertical direction of the inner surface of the main portion 94, that is, a position that is slightly inside from both front and rear ends of the right side surface. It protrudes from the top to the right. Arm pieces 95, 95
Fulcrum protrusions 95a, 95a are protruded from the outer surface of the distal end of the arm 95, that is, the front surface of the front arm piece 95 and the rear surface of the rear arm piece 95.

and ”: the surface of the recessed portions 88, 88 which are farther from each other,
That is, receiving holes 88a, 88a are formed at the rear surface of the rear recess 88 and at the lower end of the front surface of the front recess 88.

Thus, the fulcrum projections 95a, 95a of the arm pieces 95, 95 are rotatably fitted into the receiving holes 88a, 88a.
, 88a as a fulcrum to open and close the memory card insertion slot 87.

If the lid 93 is opened while the main body 3 is placed on the flat surface 96, the lower end of the main part 94 will abut against the surface 96 when it is slightly opened. 11(B)), it cannot be opened any further. Therefore, when replacing the IC card 91, etc., by lifting the main body 3 from the surface 96, the lid 91
3 can be completely opened to open the insertion port 87 (
(See FIG. 11(C)).

Engagement elements 97 are provided at positions along the upper edge of the inner surface of the main portion 94 of the lid body 93 and are spaced apart from each other in the front and rear. These engaging members 97, 97 have an engaging notch 98 opened at the tip,
98 are formed, and these engagement notches 98,
Open ends 98a, 98a of 98 are narrow portions. Note that when the lid body 93 is closed, the engaging elements 97, 97 are connected to the notches 92, 9 formed in the upper edge of the left peripheral wall portion 50b.
2 (see FIG. 12(C)).

Reference numerals 99 and 99 designate engaging pins that project from the lower surface of the left side edge of the upper half 48 of the housing 8 into the notches 92, 92.

Therefore, when the lid body 93 is closed, the engagers 97, 9
The narrow portions 98a, 98a of the engagement notches 98, 98 of No. 7 are expanded due to the flexibility of the material (see FIG. 12(B)),
The engaging pins 99, 99 engage with the engaging notches 98 (see FIG. 12(C)), whereby the lid body 93 is click-stopped in the closed position.

Reference numeral 100 denotes a protrusion protruding from a position close to the upper end of the outer surface of the main portion 94 of the lid 93. When opening the lid 93, place your finger or fingernail on the upper surface of the protrusion 100 and press downward. Then, a rotational force is applied to the lid body 93 in the opening direction, and the engaging element 9
Narrow portions 98a, 98a of engagement notches 98, 98 of 7, 97
are expanded by the engagement pins 99, 99, and the engagement notch 98
, 98 and the engagement pins 99, 99 are disengaged.

Reference numeral 101 denotes a slider supported on the lower surface of the upper half 48 of the housing 8 so as to be slidable in the left-right direction. The slider 101 includes a main part 102 in the shape of a narrow plate that is long in the left-right direction, and an action part 103 connected to the right end of the main part 102 in a direction extending in the front-rear direction.
and are integrally formed of synthetic resin.

A notch 102a is formed at the left end of the main portion 102, and
A long hole 102b that is long in the left-right direction is formed near the left end.

The front end part 103a of the action part 103 is used as a pressing part, and
A spring hook 103b is provided at the rear end to protrude downward.

Reference numeral 104 denotes a holding fitting, which includes a guide portion 104a having a rectangular groove shape extending in the left-right direction, mounting pieces 104b, 104b, 104b protruding laterally from the upper edge of the guide portion 104a, and a rear edge of the guide portion 104a. A spring hanging piece 104c protruding downward from the center of the part is integrally formed of a metal plate.

Then, support bins protruding from the lower surface of the upper bar 748 are inserted into the mounting holes formed in each of the mounting pieces 104b, 104b, 104b, and the mounting holes of the support bins are inserted into the mounting holes. The downwardly protruding portions 104b, 104b, 104b are caulked, and the presser fitting 104 is fixed to the lower surface of the upper half 48.

The main portion 102 of the slider 101 is slidably supported by the guide portion 104a of the presser fitting 104, and
A guide pin 105 protruding from the lower surface of the upper half 48 is slidably inserted into the elongated hole 102b of the main portion 102. In this way, the sliding element 101 is supported on the lower surface of the upper half 48 so as to be slidable in the left-right direction.

106 is a tension coil spring, which includes a spring hook 103b of the slider 101 and a spring hook 104c of the presser fitting 104.
This allows the slider 101 to
The movement force towards the left is being worked on.

Then, while no force is applied to the slider 101 to move it to the right, the notch 10 formed at the left end of the slider 101
The - (rear side) of the engaging pins 99, 99 is placed in the inside of the engaging pin 2a (see FIG. 12(A)). When the lid body 93 is closed, the retainer 9 on the rear side
7, the left end surface of the main part 102 of the slider 101 is pressed, and the slider 101 is moved slightly to the right against the tensile force of the tension coil spring 106 (FIG. 12(B)). ,
(See (C)).

107 is a printed circuit board 108 supported by the upper half 48
The pressed element 107a protrudes from the right side surface of the switch housing 107b and faces the pressing part 103a of the slider 101.

When the lid body 93 is in the position where the insertion port 87 is closed, the slider 101 is moved slightly to the right against the tensile force of the tension coil spring 106.
03a is close to the pressed element 107ae of the switch 107 from the right side, but is kept in a position where it does not press it (see FIG. 12(C)).

Then, the slider 101 connects the notch 102a with the engaging pin 9.
9 is in the engaged state (that is, when the lid body 93 is rotated even slightly from the closed position to the open position), the pressing part 103a of the slider 101 The pressed element 107a of the switch 107 is pushed in, and the switch 107 issues a power off signal (see FIGS. 12B and 12A).

Then, when a power off signal is issued, the data being used in the personal computer 1 is saved.

However, it takes some time, for example, about 2 seconds, to save the data, but before the data save is completed, that is, before the power is turned off, the user
If you pull out the memory card from the memory card slot 86, the I
It is common for the data in the C card 91 to be destroyed. Therefore, as described above, when in use, the human power/display section 2 and the main body section 3 are opened at 180 degrees to each other and the flat surface 9 is
6, the lid body 93 is placed on the IC cart 91.
It is designed not to open until it can be taken out. This makes it possible to save time for the above-mentioned data backup, and prevents the IC card 91 from being damaged due to careless operation.
This can prevent the data inside from being destroyed.

(f. Battery Storage Section) The battery storage section 11 is formed on the rear left side of the main body housing 8.

Reference numeral 109 denotes an opening formed on the rear left side of the upper half 48, and has a horizontally long rectangular shape.

Furthermore, adjacent to the left side of the opening 109, there is formed an opening 110 which is long in the front-rear direction and whose front-to-back length is about three-fifths of the front-to-back width of the opening 109.

Furthermore, a slide hole 111 that is long in the front-rear direction is formed at a position adjacent to the front side of the opening 110.

The upper surface of the crosspiece 112 forming the boundary between the opening 109 and the opening 110 and the slide hole 111 forming portion is slightly lower than the upper surface of the upper half 48 .

113, 113, 113 are receiving edges projecting from a position slightly below the opening surfaces of the openings 109 and 110, and the upper surfaces of these receiving edges 113, 113, 113 are connected to the crosspiece 112.
is located in the same plane as the top surface of

Note that notches 114, 114 are formed at the right end portions of the receiving edges 113, 113 formed on the front and rear edges.

A notch 115 is located at approximately the middle of the upper surface of the crosspiece 112 between the openings 109 and 110 in the front-rear direction.
is being shaped. A notch 116 is also formed at the front end of the crosspiece 112, and the notch 116 is deep on the front side 116a and shallow on the rear side 116b.

Reference numeral 117 denotes a slider supported slidably in the front-rear direction between the lower surface of the upper half 48 and a support member 118 to which the lower surface of the upper half 48 is fixed.

Reference numeral 117a denotes a knob protruding from the upper surface of the slider 117, and is slidably positioned within the slide hole tit.

Further, 117b is a locking piece protruding rightward from the right side surface of the slider 117, and is located in the upper part of the notch 116 formed in the crosspiece 112, and the upper surface of the front end thereof is It is formed on a slope 117C that slopes downward in the front.

Reference numeral 117d denotes a spring hook projecting downward from the rear end of the slider 117.

A tension coil spring 119 is tensioned between the spring hanging piece 117d and the spring hanging piece 104d formed on the presser fitting 104, thereby applying a forward moving force to the slider 117. energized. Therefore, Surikushi 11
The lock piece 117b of No. 7 is normally located on the front side 1 of the notch 116.
It is located above t6a.

120 is the opening 10 of the lower half 47 of the housing 8.
This is a battery storage section shaped at a position corresponding to 9, and terminals 120a, 120a are provided.

12] is a cover plate in the shape of an oblong rectangle, and is sized to fit snugly into the opening 109.

Engagement pieces j21a and L21a protrude rightward from both front and rear ends of the right end of the lower surface of the lid plate 121. and,
These engaging pieces 121a and 12ta are U-shaped with an upward opening when viewed from the front, and the right end upper surface 121
b, 12lb are located at a slightly higher position than the bottom surface of the cover plate 121.

Further, a locking piece 122 is provided to protrude downward from a position near the front end of the left end of the lower surface of the lid plate 121.
A locking pawl 122a projects rearward from the lower end of the locking pawl 122, and a lower end edge 122b of the locking pawl 122a is an inclined edge that rises rearward.

Thus, the engagement piece 1 is placed so that the cover plate 121 substantially covers the opening 109 and is tilted downward to the right.
Notches 21a and 12fa are formed at the right end of the receiving edges 113 and 113 located on both the front and rear edges of the opening 109! 14,
114 into the housing 8 so that the right edge of the cover plate 121 comes into contact with the right receiving edge 113 (see FIG. 14(A)).
)reference). In this state, the lid plate 121 is rotated using the contact portion between the right side edge and the right receiving edge 113 as a rotation fulcrum so that the left end thereof moves downward. Then, cover plate 1
The inclined edge 122b of the locking piece 122 of 21 is located on the notch front side 11
Inclined surface 1 of lock piece 117b located at the top of 6a
17C (see FIG. 13(B)). When the cover plate 121 is further rotated downward from this state, the locking piece 122
The inclined edge 122b is the inclined surface 117C of the lock piece 117b.
In order to press the slider 117 diagonally downwardly rearward, the sliding pin 117 receives this pressing force via the lock piece 117b and moves rearward against the tensile force of the tension coil spring 119. As a result, the peripheral edge of the cover plate 121 is adjusted to each receiving edge 113, 1.
13, 113 and the upper surface of the crosspiece 112, and the opening 109 is covered (see FIG. 13(C)). In addition, in this state, the cover plate 121
The engaging pieces 121a, 121a are on the right end upper surface 121b.
, 121b are located at a slightly higher position than the lower surface of the lid plate 121, so that they come into contact with the lower surface of the upper half 48 and are bent slightly downward (see FIGS. 14(B) and 14(C)).
A force is accumulated that tries to flip the left end of 1 slightly upward. In this state, the locking claw 122a is located below the locking piece 117b (see FIG. 13(C)).
, the slider 117 is a tension coil spring! Because it moves forward and returns to its original position due to the tensile force of 19 (Fig. 13 (D)
), the lock piece 117b is located above the locking pawl 122a, so that the cover plate 121 is secured to the battery storage recess 120.
The upper opening 109 of is locked in the closed position.

When opening the cover plate 121, the knob 117a is moved rearward. Then, the slider 117 is moved rearward against the tensile force of the tension coil spring 119, and the lock piece 117b is moved from the upper part of the front side 116a of the notch 116 toward the rear side 116b. Board 121
The locking claw 122a is no longer locked, and the left end of the cover plate 121 is slightly lifted due to the force stored in the locking pieces 12ta and 121a. Then, hold the left end of the lifted lid plate 121 and rotate it upward, and finally, the engaging piece 12! a, 121a with notch 114
, 114 to the outside of the housing 8.

Reference numeral 123 denotes a rechargeable battery that is detachably installed in the battery storage recess 120.

Reference numeral 124 denotes a storage recess formed adjacent to the left side of the battery storage recess 120, and has a rectangular shape that is long in the front-rear direction when viewed from above.

Terminals 125, 125 are provided in the storage recess 124, and a shallow notch 126a is formed at the center in the front-rear direction of the upper edge of the right side of the peripheral wall 126 defining the storage recess 124. ing. And lower half 4
7 and the upper half 48 are combined to form the housing 8, an engagement hole 127 is formed by this notch 126a and the lower end of the left side surface of the crosspiece 112.

128 is a button-type battery holder made of synthetic resin.

The button-type battery holder 128 includes a top plate 129 and a support plate 130 projecting downward from the top plate 129.

The top plate 129 has a plate shape that is large enough to fit snugly into the opening 110, and the support plate 130 is attached to the top plate 129.
It protrudes downward from a position near the right side of the bottom surface.

A U-shaped slit 130 that opens upward when viewed from the side from the upper end of the support plate 130 to a position that reaches slightly below the middle.
a is formed, and the portion surrounded by the slit 130a serves as an engagement piece 131. A retaining pawl 131a is provided protruding from the lower end of the right side of the engaging piece 131.

A support protrusion 130b is provided at the lower end of the left side surface of the support plate 130,
A button-type battery 133 such as a lithium battery is provided in a battery support portion 132 surrounded by the support protrusions 130b, 130b and the top plate 129 on the left side of the support plate 130. Supported.

Then, with the button-type battery holder 128 supporting the button-type battery 133 in its battery support portion 132, the support plate 130 is inserted into the storage recess 124 from the opening 110. When the support plate 130 is inserted into the storage recess 124, the button-type battery 133 comes into contact with the terminals 125, 125 provided in the storage recess 124, and the top plate 129 closes the opening 110. The support plate 130 is placed on the receiving edge 113 and the crosspiece 112, and the engagement claw 131a is engaged with the engagement hole 127, so that the support plate 130 is placed in the storage recess 124.
It is locked to prevent it from falling off. In addition, this button type battery! 33 is used, for example, as a power source for memory backup or a clock.

When removing the button-type battery holder 128 from the casing 8, with the cover plate 121 removed from the casing 8, insert your fingernail between the right end surface of the top plate 129 and the top surface of the crosspiece 112 and lift it up. What is necessary is just to pull up the face plate 129 upwards.

Therefore, when the cover plate 121 is attached to the housing 8, the button-shaped battery holder 128 cannot be removed from the housing 8.

(g. Voice memo) 134 is a voice memo operation section formed on the right side of the main body housing 8, and includes a recording operation button 135a, a playback operation button 135b, a stop operation button 135c, and a volume adjustment knob 1.
35d are arranged.

The reference numeral 136 designates a shallow recess that is elongated from side to side along the rear edge of the lower surface of the lower half 15 of the input/display unit housing 4, and when the human power/display unit 2 and main unit 3 are closed. As shown in FIG. 16, when held in hand, the tip of the finger will
When the personal computer 1 is lifted up to the height of the face while being held in this manner, the microphone 42 located at the front right end of the input/display unit housing 4 is located in front of the mouth. Since the voice memo operation section 134 is right in front of the user (indicated by the two-dot chain line in FIG. 16), it is easy to operate the operation buttons and knobs 135a to 135d provided here.

Although not shown, the main body 3 is equipped with an IC memory for recording, so that thoughts and notes can be recorded as voice memos.

(h. Handset Rest Part) Reference numeral 137 denotes a handset rest part formed on the right rear portion of the upper surface of the main body housing 8.

Reference numerals 138, 138, . . . are sound emitting holes, which are formed at locations corresponding to the speaker l2 attached to the lower surface of the upper housing 748.

Projections 139 having a rounded rectangular planar shape are formed at positions surrounding the sound emission holes 138, 138, . The ridge line is sloped downward to the left.

As shown in FIG. 17, the receiver 14 of the telephone
0 is placed on the protrusion 139, the ridgeline of the protrusion 139 comes into contact with the surface of the transmitter 140a as much as possible, and the posture of the receiver 140 is stabilized.

This is particularly convenient when using the address book or telephone number book built into the personal computer 1 or by application software as an auto-dialer.

(i. Others) In addition, in the personal computer 1, only the minimum necessary items other than the liquid crystal tablet panel 5 are placed in the input/display part 2, and other items are placed in the main body part 3. However, the thickness of the input/display section 2 is made as thin as possible to facilitate input operations using the input ben 6.

141, 14l1... are short protrusions formed in positions close to the four corners of the lower surface of the lower half 47 of the main body housing 8; 142, 142,... are the protrusions 14, 141,
This is a rubber seat embedded in the rubber seat to prevent the personal computer 1 from moving uncontrollably even when the personal computer 1 is used on a surface that is easy to be stepped on.

Reference numerals 143 and 143 are small projections protruding from positions near both left and right ends of the lower surface of the lower half 15 of the human power/display housing 4 near the front edge.

(G. Effects of the Invention) As is clear from the above description, the locking mechanism of the present invention engages the hook piece protruding from one member with the engaging portion provided on the other member. A locking mechanism for locking two members, the other member having an insertion hole for receiving a hook piece, the hook piece being inserted through the insertion hole and being engaged with the engaging portion, A closing piece is provided to open and close the insertion hole, and when the hook piece is inserted into the insertion hole, the closing piece opens, and when the hook piece comes out of the insertion hole, the closing piece is closed. .

Therefore, according to the locking mechanism of the present invention, while the hook piece is not inserted into the insertion hole, the insertion hole is closed by the closing piece, so that when the two members are separated or opened, the insertion hole is closed. The insertion hole through which the piece is inserted is closed and the appearance is improved.

In the above embodiments, the present invention is applied to two systems in which the input/display section and the main body of the personal computer are locked to each other.
Although the present invention is shown applied as two members, this does not mean that the two members in the present invention are limited to such a structure, and the present invention can be widely applied to word processors and other devices.

In addition, the specific structures shown in the above examples are merely examples of embodying the present invention, and the technical scope of the present invention should not be construed as limited by these. .

[Brief explanation of drawings]

The drawings show an example of an embodiment in which the locking mechanism of the present invention is applied to a locking mechanism between an input/display unit and a main body of a personal computer, and Figures 1 to 17 show a hinge between the casings of the present invention. An example of the implementation of the joint structure is shown. Figure 1 is a perspective view, Figure 2 is a perspective view from below, and Figure 3 is a perspective view.
The figure is a perspective view showing the input/display section and main body section opened.
The figure is an exploded perspective view, (A) is an exploded perspective view of the input/display section, (B) is an exploded perspective view of the main body, and Figure 5 is a plan view of the human power/display section and the main body when opened. Figure 6 is a plan view of the input/display section and the main body with the upper halves removed, Figure 7 is a sectional view taken along line 1 and 2 of Figure 5, and Figure 8 is A cross-sectional view taken along the line ■1■ in Fig. 5, and Fig. 9 show the state in which the input/display section and the main body are closed and locked (
Enlarged cross-sectional views of main parts shown in order from A) to (D),
Figure 10 is an exploded perspective view of the main parts of the main body divided into upper and lower parts.
Fig. 11 is a cross-sectional view of the main parts shown in order from (A) to (C) with the lid of the memory card insertion part open, and Fig. 12 is the memory card insertion part. Fig. 13 is a partially cutaway enlarged plan view of the main part showing the state in which the lid of the battery compartment is locked and removed again from (A) to (C). state from (A) to (
The enlarged cross-sectional views of the main parts shown in order from (A) to (C), and Fig. 14 are orthogonal to Fig. 13, which shows the state in which the lid plate of the battery compartment is locked, in order from (A) to (C). 15 shows a part of the button-type battery holder, FIG. 15 is a partially cutaway perspective view, and FIG. 16 is an enlarged sectional view of the button-type battery stored in the holder. The figure shows how the voice memo is used, and FIG. 17 is a side view of the handset placed on the handset rest. Explanation of symbols 2...Other member, 3...One member, 69.
... hook piece, 78a... engaging part, 79... closing piece, 82... insertion hole applicant

Claims (1)

[Scope of Claims] A locking mechanism that locks two members by engaging a hook piece protruding from one member with an engaging portion provided on the other member, the hook piece being attached to the other member. An insertion hole is formed to receive the hook, and the hook piece is inserted through the insertion hole and engaged with the engaging portion, and a closing base piece is provided to freely open and close the insertion hole, and the hook piece is inserted through the insertion hole and engaged with the engaging portion. A locking mechanism characterized in that a closing piece opens when inserted into an insertion hole, and closes when a hook piece comes out of the insertion hole.