JP2935831B2 - Hinge structure of pachinko machine front door frame - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inner frame body and a hinge structure of a glass frame to which the front side of an outer frame body of a pachinko machine can be opened and closed.

[0002]

2. Description of the Related Art Conventionally, a frame structure of a pachinko machine has, for example, an outer frame 1 framed in a substantially rectangular shape as shown in FIG.
Hinge members 3 and 6 forming a pair on the upper and lower sides of one side of the outer frame 1
A game board and a middle frame body 2 on which various constituent mechanisms are mounted are mounted on the front face of the outer frame body 1 so as to be openable and closable, and a game board is provided on the front side of the middle frame body 2. A glass frame (not shown) covering the front side of
It is attached so as to be openable and closable in a single-opening manner via a pair of hinge members (not shown) forming a pair up and down.

As shown in FIG. 12, an upper hinge member 3 for pivotally connecting the outer frame 1 and the inner frame 2 has hinge hinges attached to the outer corners of the upper frame 1a and the vertical frame 1b of the outer frame 1. A mail 4 and a hinge mail 5 attached to the outer corners of the upper frame 2a and the vertical frame 2b of the inner frame 2, and a mounting piece 4a attached along the outer corner of the outer frame 1 of the hinge female 4.
Has a hinge hole 4c projecting stepwise toward the front side with a predetermined length.
A support piece 4b is formed integrally, and a mounting piece 5a attached to the outer corner of the middle frame 2 of the hinge mail 5 is hinged to the lower surface on the distal end side of the support piece 5b projecting by a predetermined length. A hinge pin 5c that is rotatably inserted into the hinge hole 4c of the fourth hinge hole 4c is formed.

A lower hinge member 6 is attached to an inner corner between the vertical frame 1b and the lower frame 1c of the outer frame 1 and to an outer corner of the vertical frame 2b and the lower frame 2c of the middle frame 2. A hinge piece 8 to be attached is formed, and a support piece 7b is formed on the attachment piece 7a of the hinge mail 7 so as to protrude in correspondence with the support piece 4b of the hinge hinge 4 on the upper side. A hinge pin 7c corresponding to a hinge hole 4c penetrating through the upper support piece 4b is formed in the support piece 7b. The mounting piece 8a of the hinge female 8 has a supporting piece 8 projecting corresponding to the supporting piece 5b of the upper hinge female 5.
The support piece 8b is formed on the upper support piece 4b and corresponds to the downward hinge pin 5b.
c is penetrated.

The hinge female 4 and the hinge female 7 attached to the upper and lower corners of the outer frame 1 are attached via the hinge female 5 and the hinge female 8 attached to the upper and lower of the middle frame 2. However, as shown in FIG.
c, 8c and hinge pins 5c, 7c are hingedly attached.

[0006]

However, the hinge of the middle frame 2 to the outer frame 1 is extremely heavy since the middle frame 2 is equipped with a game board and various components. While the upper and lower hinge pins 5c and 7c and the hinge holes 4c and 8c must be hinged almost simultaneously with the frame body 2 lifted up, it is extremely difficult to discern the upper and lower sides, and there is a problem that the assembling work is troublesome. . SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and provides a hinge structure of a front door frame of a pachinko machine in which a front door frame can be easily assembled and workability can be improved. The purpose is to do so.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned technical problem, the present invention is directed to a hinge structure of a front door frame for opening and closing a front side of an outer frame of a pachinko machine in a single-opening manner. The hinge member for opening and closing the front door frame includes a hinge female attached to the outer frame and a hinge female attached to the door frame, and the hinge female pivots on the mounting support piece with the hinge female. A hinge pin pivotally attached to the hinge pin, the hinge female has a mounting board and a locking claw body, and a fitting groove of the hinge pin is provided on a predetermined axis of the mounting board, and on a coaxial line. A base shaft and a pin for pivotally attaching the lock claw body are erected, and a guide hole and a lock pin are provided on an axis parallel to the axis, and a slide piece is provided on the base shaft and the pin via a slide hole. Of the slide piece A lock recess is formed at a predetermined position, and the guide hole has a shaft pin slidable in the guide hole and a lock guide groove for inserting and guiding the lock pin, and is engaged with and disengaged from the lock recess of the slide piece. A lock lever having a lock convex portion is provided, and a lock claw body including a claw portion and an arm portion is pivotally attached to the base shaft,
The arm portion is connected to the shaft pin of the lock lever via a long hole, and the claw portion is a lock engagement recess that engages with and disengages from the hinge pin in a cross shape with the fitting groove of the support piece by the operation of the lock lever. According to a second aspect of the present invention, the lock claw body is detached from the hinge pin via a shaft pin in a state where the lock projection of the lock lever is located at the rear end of the slide piece. The lock claw body is configured to engage with the hinge pin by engaging the lock protrusion with the lock recess of the slide piece.
When the lock projection is located at the rear end of the slide piece, the lock pin engages with the lock release groove of the lock guide groove, detaches the lock claw body from the hinge pin and holds the position. The lock pin is engaged with the lock groove of the lock guide groove when the lock convex portion engages with the lock concave portion of the slide piece, so that the lock claw body is engaged and held with the hinge pinni. The invention is a hinge structure of a front door frame that opens and closes a front side of an outer frame body of a pachinko machine in a single-opening manner, and a hinge member that opens and closes the front door frame has a hinge mail and a door attached to the outer frame body. A hinge female attached to a frame, wherein the hinge female has a hinge pin pivotally connected to the hinge female on a mounting support piece, and the hinge female includes a mounting board and a locking claw body. A fitting groove is provided on a predetermined axis of the support piece of the mounting board so that the hinge pin can be fitted therein, and guide pins are provided at predetermined intervals on an axis orthogonal to the coaxial line at a predetermined position. A lock engaging concave portion provided with a guide hole for slidably engaging the guide pin, and engaging with the hinge pin in a cross shape with the fitting groove via the guide hole. And a hinge structure of the front door frame of the pachinko machine.

[0008]

According to the present invention, the operation of simultaneously inserting the hinge pin into the hinge hole as in the case of the conventional upper and lower hinge members is eliminated. Can be easily and quickly attached and detached to the outer frame body, and can reduce the fatigue of the worker,
Work efficiency can be improved. Further, the engagement of the lock claw body with the hinge pin is ensured, and the opening and closing operation of the middle frame body can be stably maintained.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION

(First Embodiment) Next, a first embodiment of the present invention will be described with reference to FIGS. In the embodiment, since the conventional hinge member 6 is used on the lower side of the outer frame 1 and the middle frame 2, the middle frame 2 with respect to the outer frame 1 is used.
The upper hinge member 11 will be described. As shown in FIG. 1, the hinge member 11 includes a hinge female 12 attached to the upper corner of the outer frame 1 and a hinge female 16 attached to the upper corner of the middle frame 2.

The hinge mail 12 attached to the inner frame 2 is formed in substantially the same manner as in the prior art.
A support piece 14 having a predetermined length is formed so as to extend therefrom. A hinge pin 15 is attached to a predetermined position of the support piece 14 in a downward direction.

The hinge female 16 attached to the outer frame 1 is composed of a mounting board 17, a lock lever 25, a slide piece 35, a lock claw body 40, and a cover body 49. The mounting board 17 is attached to the outer frame 1 along an outer corner portion thereof, and is horizontally extended by a predetermined width from the upper piece 18a of the mounting section 18 to the front side. A support piece 19 having an arcuate edge 19a that allows rotation is integrally formed. A predetermined length of the support piece 19 on the parallel axis C1 separated by a predetermined distance from the side edge 19b of the support piece 19 allows the hinge pin 15 of the hinge mail 12 to be fitted. A groove 20 is opened along the axis C1. A stepped base shaft 21 is provided upright at a predetermined position h1 from the base end 20a of the fitting groove 20 on the axis C1, and a pin 22 is provided upright at a predetermined position h2 from the base shaft 21. , This pin 22
A concave portion 22a for engaging the torsion spring 48 is provided at the upper end of the upper surface of the upper portion.

On an axis C2 parallel to the axis C1 at a predetermined position h3 from the axis C1, a guide hole 23 having an end 23a at a position corresponding to the center of the base shaft 21 and having a predetermined length l1 penetrates. And an end 23b of the guide hole 23.
A stepped lock pin 24 is provided upright at a predetermined position h4.

The lock lever 25 is operated along the axis C2, that is, the guide hole 23. The main body 26 and the lever 27 along the axis C2 are formed in an elongated rectangular shape. A shaft pin 28 is erected at a predetermined position on the axis C2 on the tip side of the shaft 26, and a projection 28a guided by the guide hole 23 of the mounting board 17 is provided on the opposite side of the mounting position of the shaft pin 28. It is protruding. Also,
As shown in FIG. 4, a lock guide groove 29 having an end 30a is formed at a predetermined position (= h4) from the shaft pin 28 on the axis C2.

The lock guide groove 29 is inserted through the lock pin 24 of the mounting board 17, and a guide groove 30 having a predetermined length l1 is formed from the end 30a along the axis C2. An arc-shaped unlocking groove 31 is formed continuously at the end 30a with the shaft pin 28 as the center, and an arc-shaped lock groove at the other end 30b of the guide groove 30 with the shaft pin 28 as the center. 32 are formed continuously. Also, the shaft pin 2 on one edge of the main body 26 is formed.
A lock projection 33 is protruded at a predetermined radial position around the center 8, and an engaging portion 34 of a torsion spring 47 is formed at a predetermined position on the opposite edge.

The slide piece 35 is operated along the axis C1 and is formed in a substantially rectangular shape having a predetermined length. The slide piece 35 extends from the end surface 35a to a predetermined position h5 at a predetermined position h5.
A slide hole 36 having a predetermined length l2 is formed along 1 along which the base shaft 21 and the pin 22 are inserted (see FIG. 3). A spring operating pin 37 of a torsion spring 48 having a head is provided upright at a predetermined position from the end 36b of the slide hole 36. At a predetermined position of the edge 35a of the slide piece 35, a lock concave portion 38 is provided which is engaged with and disengaged from the lock convex portion 33 of the lock lever 25.

The lock claw body 40 has a wide claw portion 41 and an arm portion 42 formed in a substantially right angle as shown in the figure, and a base hole inserted into the base shaft 21 is provided at a predetermined position of the right angle portion. 43 is penetrated. At a predetermined distance h1 from the base hole 43, a lock engaging concave portion 44 that opens to the side is formed to form a lock claw 45. A long hole 46 through which the shaft pin 28 of the lock lever 25 is inserted is provided on the arm 42 side from the base hole 43.

The hinge female 16 thus formed
The slide piece 3 is attached to the base shaft 21 and the pin 22 of the mounting board 17 of FIG.
5 is attached through the slide hole 36, and the guide hole 23 has the protrusion 2 of the shaft pin 28 of the lock lever 25.
8a is fitted, and the lock pin 24 is inserted into the lock guide groove 29 of the lock lever 25. The base shaft 2 inserted into the slide hole 36 of the slide piece 35
The base hole 43 of the lock claw body 40 is fitted into 1, and the elongated hole 46 is fitted into the shaft pin 28 of the lock lever 25.

The coil portion of the torsion spring 47 is fitted into the shaft pin 28 of the lock lever 25 that is fitted and connected as described above, and one arm piece 47a is connected to the lock lever 2.
5 and the other arm piece 47 b is hooked on the claw 41 of the lock claw body 40. The coil portion of the torsion spring 48 is fitted into the lock pin 24 inserted into the lock guide groove 29 of the lock lever 25, and one arm piece 48a is engaged with the spring operation pin 37 of the slide piece 35, and the other arm piece 48a is engaged with the other. Arm piece 48b is engaged with the concave portion 22a of the pin 22. The cover body 49 is mounted on the mounting board 17 on which the lock lever 25, the slide piece 35 and the lock claw body 40 are mounted as described above.

This cover body 49 is formed in a downwardly open lid shape that can shield the lock lever 25, the slide piece 35 and the lock claw body 40 attached to the mounting board 17, and a fitting groove is formed in the upper plate 49a. A concave groove 49b substantially aligned with the groove 20 is formed, and a caulking hole 49c of the base shaft 21 is provided in close proximity to the concave groove 49a. A long guide hole 49d for guiding the lock pin 24 in alignment with the guide hole 23 of the mounting board 17 is provided through the plate 49a, and a caulking hole 49e for the lock pin 24 is provided therethrough.

The hinge female 16 thus formed
In order to attach the middle frame 2 to the outer frame 1 on which the lock lever 25 is attached, as shown in FIG.
The lock release groove 31 of the lock guide groove 29 is fitted into the lock pin 25 by pulling out along the guide hole 23. Thereby, the long hole 46 is formed in the shaft pin 28 of the lock lever 25.
The lock pawl body 40 connected via the shaft is rotated counterclockwise around the base shaft 21 so that the lock engagement recess 44 is retracted from the axis C1 and the lock lever 2
The lock projection 33 formed on the lever 25 by the operation 5
Slides into contact with the slide piece 35 and pushes the slide piece 35 from the rear end toward the fitting groove 20 along the axis C1. And
The end face 35a is located on the opening end side of the fitting groove 20,
The torsion spring 48 is elastically deformed at an acute angle as shown in the figure, and the torsion spring 47 is also elastically deformed at a reverse warp.

In this state, the hinge pin 8c of the hinge mail 8 on the lower side of the middle frame 2 is inserted into the hinge hole 7c of the hinge female 7 on the lower side of the outer frame 1. The hinge pin 1 of the hinge mail 12 attached to the upper part of the middle frame 2
5 is the insertion groove 2 of the hinge female 16 as shown in FIG.
Insert at 0. As a result, the slide piece 35 is moved along the axis C1.
Is retreated along. The lock protrusion 25 of the lock lever 25, which has been in contact with the rear end portion due to the retreat, is slidably contacted with the slide piece 35, so that the lock lever 25 rotates clockwise about the shaft pin 28 (convex portion 28a). And the lock projection 33 is disengaged from the slide piece 35,
The torsion spring 48 is elastically restored.

As a result, as shown in FIG.
4 is the end 3 of the lock guide groove 29 from the lock release groove 31
By being located at 0 a, the restoring force of the torsion spring 47 causes the lock claw body 40 to rotate clockwise about the base shaft 21. The hinge pin 15 inserted into the fitting groove 20 by the rotation of the lock claw body 40 is engaged with the lock engagement recess 44 of the claw body 40 and the lock lever 2
5 is moved to the left side in the figure along the guide hole 23, the lock pin 24 is located at the end 30 b (the lock groove 32 side) of the lock guide groove 29, and the lock protrusion 33 is a lock recess 38 of the slide piece 35. (See FIG. 4). Further, the lock lever 25 is rotated counterclockwise about the shaft pin 28 by the restoring force of the torsion spring 47 so that the lock projection 33 is fitted into the lock recess 38 and the lock pin 32 is inserted into the lock groove 32. Are engaged,
The hinge pin 15 of the hinge mail 12 is rotatably engaged in a cross shape by the fitting groove 20 of the mounting board 17 and the lock engagement concave portion 44 of the lock claw body 40 (see FIG. 5).

When removing the inner frame 2, the lock lever 25 is operated in the opposite direction to release the engagement of the lock claw body 40 with the hinge pin 15 and can be removed.

As described above, when the middle frame 2 is attached to the outer frame 1, the hinge member 6 on the lower side is attached with the hinge female 7 and the hinge female 8 as in the prior art, and the upper side is attached to the outer frame 1 on the upper side. Since the hinge member 11 composed of the hinge female 16 and the hinge female 12 attached to the inner frame 2 is attached, the lower hinge pin 8c of the inner frame 2 is connected to the lower hinge of the outer frame 1. With the hinge pin 7 of the hinge female 12 on the upper side of the middle frame 2 being inserted and supported in the hinge hole 7c of the female 7, the lock pin 25 is operated by operating the lock lever 25 of the hinge female 16 as described above. 24
With the lock release groove 31 engaged with the
, And the slide piece 35 positioned in the fitting recess is pushed in, whereby the lock lever 25 is linked and operated via the slide piece 35, and the lock claw body 40 is elastically restored by the torsion springs 47 and 48. Is operated with one touch to lock and engage the hinge pin 15.

Therefore, the conventional upper and lower hinge members 3,
As shown in FIG. 6, the hinge pins 5c,
Since the work of simultaneous insertion of 8c is eliminated and the upper hinge member 11 can be engaged with one touch by pinning only the lower side, the attachment and detachment of the middle frame 2 to and from the outer frame 1 can be easily performed. It can be performed quickly and can reduce the fatigue of the worker and improve the work efficiency.

When the lock claw 40 is engaged with the hinge pin 15, the lock pin 24 is engaged with the lock groove 32 of the lock guide groove 29 of the lock lever 25 connected to the lock claw 40, and Lock lever 25
Is engaged with the lock recess 38 of the slide piece 35, the engagement of the lock claw body 40 with the hinge pin 15 is ensured, and the opening and closing operation of the middle frame 2 can be stably maintained. . In addition, this hinge female 1
Since the lock lever 25, the slide piece 35, and the lock claw body 6 of the sixth embodiment are configured to be covered by the cover body 49, it is possible to prevent an illegal act on the hinge member 11.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIGS. 6 and 7 (a) (b) (c). Note that the lower hinge member 6 of the second embodiment is the same as the conventional one, and the upper hinge member 51 is composed of a hinge female 52 attached to the outer frame 1 and a hinge female 56 attached to the middle frame 2. I have. In this hinge mail 52, a substantially L-shaped mounting piece 53 and a supporting piece 54 are integrally formed, and a hinge pin 55 is mounted at a predetermined position of the supporting piece 54 in a downward direction.

The hinge female 56 mounted on the upper part of the middle frame 2 is composed of a mounting board 57, a lock claw 65 and a torsion spring 75. This mounting board 5
7 is an attachment portion 5 attached along the outer corner of the inner frame 2
8, and a support piece 59 projecting from the upper piece 58a of the mounting portion 58 toward the outer frame 1 is integrally formed, and the support piece 59 is formed wider than the upper piece 58a. A parallel axis C separated by a predetermined distance from the edge 59a of the support piece 59
3 A hinge pin 55 opening at the front end of the support piece 59
The insertion groove 60 is formed, and the proximal end 6 of the insertion groove 60 is formed.
At a position at a predetermined distance h5 from 0a, a mounting hole 61 for mounting a base shaft 76 is provided.

A mounting hole 62 for mounting a spring shaft 77 of a torsion spring 75 is provided at a predetermined position of the upper piece 58a at a predetermined angle from the mounting hole 61. A cutout 63 having a predetermined width and a predetermined length is formed on the side of the side plate 58 b of the mounting portion 58 of the support piece 59, and a restriction piece 64 is formed at an end of the cutout 63. The notch 63 has a predetermined size even on the upper side of the side plate 58b.
a is formed.

The lock claw body 65 has a claw portion 66 and an arm portion 67 formed in a substantially hook shape, and a predetermined position at the base of the claw portion 66 and the arm portion 67 is a base pivotally attached to a base shaft 76. A hole 68 penetrates, a lock engagement concave portion 69 is formed at a position of a predetermined radius r1 from the base hole 68, and a lock claw having a guide surface 71 inclined at a predetermined angle on an end side. 70 are formed. In addition, a concave portion 72 is formed at a predetermined position on the end side of the arm piece 67,
In the concave portion 72, an engaging piece 73 for engaging the arm piece 75b of the torsion spring 75 is formed.

In the torsion spring 75, one arm piece 75b engaged with the engaging piece 73 extends from a coil part 75a attached to the base shaft 76.
The other arm piece 75c, which engages with the spring shaft 77 from 5a, is formed so as to intersect with the arm piece 75b at a predetermined angle. The base shaft 76 has a stepped coil section 76a for mounting the coil section 75a of the torsion spring 75, a claw body step 76b for mounting the lock claw body 65, and a caulking section 76c. Further, the spring shaft 77 has a hook portion 77a for hooking the arm piece 75c and a caulking portion 77b formed in a step shape.

With respect to the mounting board 57 thus formed, the base portion 76 is provided with a coil portion 75a of a torsion spring 75.
And the base hole 68 of the lock claw body 65 is inserted into the
The spring shaft 77 is caulked and fixed to the mounting hole 62 via the caulking portion 77b. And the arm piece 75b of the torsion spring 75
Is hooked on the hooking piece 73 of the lock claw body 65, and the arm piece 75 c is hooked on the spring shaft 77. In this state, as shown in FIG. 7 (a), the lock claw body 65 is engaged with the regulating piece 64 of the mounting board 57 by the urging force of the torsion spring 75 so that the lock engaging recess 65 Reference numeral 69 denotes a cross lock in the fitting groove 60, and the guide surface 71 of the lock claw 70 is positioned so that the opening end of the fitting groove 60 is closed.

The hinge female 56 thus provided
The lower hinge member 6 of the middle frame 2 with the hinged female 7 and the hinged female 8 attached thereto is fitted with the insertion groove 60 of the hinged female 56 and the hinged female of the outer frame 1 as in the prior art. When the hinge pin 55 is pushed toward the hinge pin 55, the hinge pin 55 enters an interposition between the fitting groove 60 and the guide surface 71, so that the lock claw body 65 is brought into contact with the guide surface 71.
When the tip of the lock claw 70 passes through the hinge pin 55, the lock claw body 65 is moved by the restoring force of the torsion spring 75 while being guided clockwise around the base shaft 76 (see FIG. 7C). The hinge pin 55 is restored to the original position of the fitting groove 60, and the hinge pin 55 is
0 and the lock engagement recess 69 of the lock claw body 65 are engaged and held rotatably in a cross shape.

The detachment can be easily performed by operating the arm portion 67 of the lock claw body 65. Therefore, the hinge member 51 of the second embodiment can also be attached and detached with a single touch, and has substantially the same operation and effect as the first embodiment.

(Third Embodiment) Next, a third embodiment of the present invention will be described with reference to FIGS. 8 and 9 (a), 9 (b) and 9 (c). The lower hinge member 6 of the third embodiment is the same as the conventional one, and the upper hinge member 81 is composed of a hinge female 82 attached to the outer frame 1 and a hinge female 86 attached to the middle frame 2. Have been. This hinge mail 82 has a substantially L-shaped mounting piece 83 and a support piece 84 integrally formed like the hinge mail 52 of the second embodiment.
A hinge pin 85 is attached to a predetermined position of the support piece 84 in a downward direction.

The hinge female 86 attached to the upper part of the middle frame 2 is composed of an attachment board 87, a lock claw body 94, and a tension spring 104. The mounting substrate 87 is formed in substantially the same shape as the mounting substrate 57 of the second embodiment, and includes a mounting portion 88 that is mounted along the outer corner of the middle frame 2, and an upper piece 88 a of the mounting portion 88. Outer frame 1
A support piece 89 extending to the side is integrally formed, and this support piece 8 is formed.
9 is formed wider than the upper piece 88a. On a parallel axis C4 separated from the edge 89a of the support piece 89 by a predetermined distance, a fitting groove 90 for a hinge pin 85 opening at the front end of the support piece 89 is formed. The spring shaft 10 is located at a position at a predetermined distance h6 from the base end 90a and close to the axis C4 on the axis C5 orthogonal to the axis C4.
A mounting hole 91 for mounting the guide pins 101 and 102 is located at a distance h8, h9 from an axis C4 on an axis C6 parallel to the axis C5 and a predetermined distance h7.
2a and 92b are penetrated.

The side piece 88 of the mounting portion 88 of the support piece 89
A cutout 93 having a predetermined width h and a predetermined length 1 is formed on the b side substantially in the same manner as the mounting board 57 of the second embodiment, and the cutout 93 is also provided on the upper side of the side piece 88b. A cutout 93a is formed in dimensions.

The lock claw body 94 is formed in a substantially rectangular shape which can be accommodated on the lower surface side of the support piece 89. The side edge 94a of the lock claw body 94 has a predetermined length (following the axis C6). = H9). A side edge 9 on an axis C5 parallel to the axis C6 of the guide hole 95 is also provided.
A hook 96 of a tension spring 104 is formed on the 4b side. The mounting hole 91 of the spring shaft 103 is provided on the axis C5.
A guide groove 97 is formed at the side edge 94c with the base end as a base end. A lock engaging recess 98 which opens at the edge 94c with the base end 90a of the fitting groove 90 as a base end on an axis perpendicular to the axis C4 at a predetermined distance (= h6) from the axis C5 of the guide groove 97. And a lock claw 9 having a guide surface 100 inclined at a predetermined angle on the end side.
9 are formed.

Guide pins 101 and 102 are inserted into the guide grooves 97 of the lock claw body 94 thus formed, and the guide pins 101 and 102 are caulked in the mounting holes 88a and 88b, respectively. The shaft 103 is inserted to be caulked in the mounting hole 91, and a tension spring 104 having a predetermined spring pressure is hung on the spring shaft 103 and the engagement piece 96.
9, the guide surface 100 of the lock claw 99 is positioned so as to close the open end of the fitting groove 90, and the lock claw body 94 is The guide pin 101, through the hole 95 and the guide groove 97,
It is provided so as to be able to slide toward and out of the cutout 93 along the spring shaft 102 and the spring shaft 103.

The hinge female 86 thus provided
The lower frame hinge member 6 is fitted with the same hinge female 7 and hinge female 8 as the conventional one and the fitting groove 90 of the hinge female 86 is inserted into the lower hinge member 6 so that the hinge female of the outer frame body 1 is attached. When the hinge pin 85 is pushed toward the hinge pin 85, the hinge pin 85 enters an interposition between the fitting groove 90 and the guide surface 100, so that the lock claw body 94 is moved to the guide surface 71.
At the same time, slides along the guide pins 101, 102 and the spring shaft 103 through the guide holes 95 and the guide grooves 97 toward the notch 93, and when the tip of the lock claw 99 passes through the hinge pin 55, the lock claw body 94 is The hinge pin 55 is restored to the original position of the fitting groove 90 by the restoring force of the tension spring 104, and the hinge pin 55 is attached to the fitting groove 90 of the mounting board 87.
And a lock engagement recess 98 of the lock claw body 94 so as to be rotatably engaged and held in a cross shape.

The detachment can be easily performed by operating the lock claw body 94. Therefore, the hinge member 81 of the third embodiment can also be attached and detached with a single touch, and has substantially the same operation and effect as the first embodiment.

In each of the above embodiments, the clutch type in which the upper hinge members 11, 51 and 81 are latched and pivoted is exemplified. However, the lower hinge member side may be similarly configured. For example, FIGS. 10 and 11 show the hinge female 8 of the hinge member 81 of the third embodiment described above.
As a modification of the sixth embodiment, an upper hinge female 111 and a lower hinge female 119 are provided.

The hinge females 111 and 119 have different mounting substrates 113 and 121, and the other lock pawls 94
Since the guide pins 101 and 102, the spring shaft 103 and the tension spring 104 have the same configuration, the same reference numerals are used for the description.

The hinge female 111 shown in FIG. 10 is attached to, for example, an upper corner of the middle frame 2, and the attaching substrate 112, like the attaching member 87, has an attaching portion 113, a support piece 114, The mounting portion 113 is formed in an approximately L shape by an upper piece 113a and a side piece 113b hanging downward at an edge of the upper piece 113a, and a support piece 114 is formed wider than the upper piece 113a. Have been. Also, the edge 114a of the support piece 114
On a parallel axis C4 at a more predetermined distance, a fitting groove 115 is formed which opens at the front end of the support piece 114. As in the case of the mounting member 87, the support piece 114 is provided with mounting holes 116 for the spring shaft 103 and mounting holes 117a and 117b for the guide pins 101 and 102 on the axes C5 and C6 orthogonal to the axis C4. Also, a partition 118a having a predetermined height is erected as shown in the figure along the edge 114a side from the opening end of the fitting groove 115.
A partition 118b is formed along the front edge of the support piece 114 from the open end of the fitting groove 115.

On the upper surface side of the support piece 114 of the mounting substrate 112 thus formed, a lock claw body 94 is mounted via guide pins 101 and 102, a spring shaft 103 and a tension spring 104 as shown in the drawing, and Is formed, and the lock claw body 94 is shielded from the outside by partitions 118a and 118b.

FIG. 11 shows a hinge female 119 attached to the lower side of the middle frame 2.
Is a mounting portion 121 and a support piece 122, similarly to the mounting member 112.
The mounting portion 121 includes a lower piece 121a and the lower piece 121a.
Is formed in a substantially L-shape by a side piece 121b standing upright, and the support piece 122 is formed wider than the lower piece 121a. A fitting groove 123 is formed on the parallel axis C4 at a predetermined distance from the edge 122a of the support piece 122 so as to open at the front end of the support piece 122. This support piece 122
In the same manner as in the above-described mounting member 112, the axes C5 and C6 orthogonal to the axis C4 have mounting holes 124 of the spring shaft 103 and guide pins.
The mounting holes 125a and 125b of 101 and 102 are provided through. Also,
A partition 126a having a predetermined height is erected as shown in the figure along the edge 122a side from the opening end of the fitting groove 123.
A partition 126b is formed from the open end of No. 3 along the front edge of the support piece 122.

On the lower surface side of the support piece 122 of the mounting substrate 120 formed in this way, a lock claw body 94 is mounted via guide pins 101 and 102, a spring shaft 103 and a tension spring 104 as shown in the drawing, and Is formed, and the lock claw body 94 is shielded from the outside by partition walls 118a and 118b.

The upper hinge female 111 thus provided is attached to the upper corner of the middle frame 2, and correspondingly the lower hinge female 119 is attached to the lower corner of the middle frame 2. Attached to In this mounted state, for example, the fitting grooves 115, 123 of the hinge females 111, 119 are added to the hinge pins 85, 7c of the hinge female 82 attached to the upper corner of the outer frame 1 and the hinge female 7 attached to the lower corner. The upper and lower lock claws 94 are locked by pressing the lock claws 9.
As the hinge pins 85 and 7c are slid through the guide surface 110 and pass the lock claws 99, the hinge pins 85 and 7c are resiliently restored by the lock claws 94 so that the fitting grooves 115 and 123 and the lock engagement recess 98 are formed. By crossing, it is rotatably engaged and held.

By providing the hinges 111 and 119 above and below the middle frame 2 as described above, the heavy middle frame 2 equipped with a game board and various components can be assembled to the outer frame 1 with one touch. As a result, the work efficiency can be improved, and the provision of the partition walls 126a and 126b can prevent an illegal act on the hinge member.

In the above description, the hinged female 86 of the third embodiment is excited as a modified example.
The hinge female 56 of the second embodiment can also be configured in an up-and-down configuration, and the hinge female 16 of the first embodiment also has the mounting portion 1 of the warp mounting substrate 17.
By changing the mounting configuration of 8, it is possible to cope with the configuration of the upper and lower forms. Further, in each of the above embodiments, the hinge member between the outer frame 1 and the middle frame 2 is exemplified. However, the present invention is not limited to this. For example, the hinge may be attached to the middle frame 2 and the glass frame. There may be.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a hinge member according to a first embodiment of the present invention.

FIG. 2 is a plan view of the hinge female in an initial state.

FIG. 3 is an operation explanatory view in a state where a hinge pin is inserted into a fitting groove of a hinge female.

FIG. 4 is an operation explanatory view showing a state where a hinge pin is inserted into the fitting groove.

FIG. 5 is an operation explanatory view showing a state where a hinge pin is inserted into the fitting groove.

FIG. 6 is an exploded perspective view of a hinge member according to a second embodiment of the present invention.

7 (a), (b) and (c) are explanatory diagrams of the operation of FIG.

FIG. 8 is an exploded perspective view of a hinge member according to a third embodiment of the present invention.

9 (a), 9 (b) and 9 (c) are explanatory views of the operation of FIG.

FIG. 10 is an exploded perspective view of an upper hinge female showing a modification of the third embodiment.

FIG. 11 is an exploded perspective view of a lower hinge female showing a modification of the third embodiment.

FIG. 12 is a perspective view illustrating a conventional syndge member.

[Explanation of symbols]

 Reference Signs List 1 outer frame 2 middle frame 11, 51, 81 hinge member 12, 52, 82 hinge mail 15, 55, 85 hinge pin 16, 56, 86, 111, 119 hinge hinge 17, 57, 87, 112, 120 mounting board 20, 60 , 90, 115, 123 Fitting groove 21, 76 Base shaft 22 Pin 23 Guide hole 24 Lock pin 25 Lock lever 29 Lock guide groove 31 Lock release groove 32 Lock groove 33 Lock convex 35 Slide piece 37 Slide hole 38 Lock concave 40, 65, 94 Lock claw body 41 Claw part 42 Arm part 44, 69, 98 Lock engagement concave part 46 Long hole 101, 102 Guide pin

Claims (4)

(57) [Claims] 1. A hinge structure of a front door frame for opening and closing a front side of an outer frame body of a pachinko machine in a single-opening manner, wherein a hinge member for opening and closing the front door frame is a hinge female attached to the outer frame body. And a hinge mail attached to the door frame. The hinge mail has a hinge pin pivotally connected to the hinge female on a mounting support piece, and the hinge female has a mounting board and a lock claw body. A fitting groove for the hinge pin is provided on a predetermined axis of the support piece of the mounting board, and a base shaft and a pin for pivotally attaching the lock claw body are provided upright on the coaxial line. A guide hole and a lock pin are provided on an axis parallel to the shaft, and a slide piece is provided on the base shaft and the pin so as to be slidable through a slide hole, and a lock recess is formed at a predetermined position of the slide piece. And The guide hole has a shaft pin slidable in the guide hole, a lock guide groove for inserting and guiding the lock pin, and a lock lever having a lock protrusion engaging and disengaging from a lock recess of the slide piece is provided. Further, a lock claw body including a claw portion and an arm portion is pivotally attached to the base shaft, and this arm portion is connected to a shaft pin of the lock lever via a long hole, and the claw portion operates the lock lever. A hinge structure for a front door frame of a pachinko machine, wherein a lock engagement concave portion which engages with and disengages from the hinge pin is provided in a fitting groove of the support piece and in a cross shape. 2. The lock claw body is disengaged from a hinge pin via a shaft pin in a state where a lock projection of the lock lever is located at a rear end of the slide piece, and the lock projection is a lock recess of the slide piece. 2. The hinge structure for a front door frame of a pachinko machine according to claim 1, wherein the lock claw body is configured to engage with the hinge pin by engaging with the hinge pin. 3. When the lock projection is located at the rear end of the slide piece, the lock pin engages with the lock release groove of the lock guide groove to separate and hold the lock claw body from the hinge pin. Wherein the lock pin engages with the lock groove of the lock guide groove when the lock protrusion engages with the lock recess of the slide piece, thereby engaging and holding the lock claw body with the hinge pin. The hinge structure of the front door frame of the pachinko machine according to claim 1 or 2. 4. A hinge structure of a front door frame for opening and closing the front side of an outer frame body of a pachinko machine in a single-opening manner, wherein a hinge member for opening and closing the front door frame includes a hinge mail attached to the outer frame body. A hinge female attached to the door frame, wherein the hinge female has a hinge pin pivotally connected to the hinge female on a mounting support piece, and the hinge female includes a mounting board and a lock claw body. A fitting groove is provided on a predetermined axis of the support piece of the mounting board so that the hinge pin can be fitted therein, and guide pins are provided at predetermined intervals on an axis orthogonal to the coaxial line at a predetermined position. A lock engaging concave portion provided with a guide hole for slidably engaging the guide pin, and engaging with the hinge pin in a cross shape with the fitting groove via the guide hole. Configuration to provide The hinge structure of the front door frame of the pachinko machine.