JP3634950B2 - Parts mounting device for pachinko machines - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an apparatus for attaching parts in a pachinko machine mainly made of synthetic resin, which is used when attaching decorative parts such as winning devices and illumination lamps to game boards and front frames.
[0002]
[Prior art]
In general, winning devices attached to the game board and decorative parts attached to the front frame are fixed using wood screws. To fix the parts with this wood screw, hold the parts in place and hold in advance, then insert the wood screws into the screw holes formed in these parts, and attach the game board and front frame with a screwdriver. It is common to squeeze and fix to the wooden board that constitutes. While the fastening with the wood screw can provide a firm fixed state, the work is troublesome. In particular, when a winning device is attached to a game board at the site, for example, an operation of holding the winning device in a predetermined position and an operation of screwing with a tool are required at the same time. This work procedure is the same as in automatic assembly lines. Especially when screwing in, it requires fine adjustments such as searching for small screw holes, and this is one of the reasons for improving the efficiency of assembly work. One obstacle.
[0003]
[Problems to be solved by the invention]
The present invention has been devised in view of the above-mentioned disadvantages of fastening with wood screws, and has been invented to fasten parts efficiently. In particular, the present invention can complete the fastening by a simple operation, and is easy to work with. It is intended to provide a mounting apparatus for parts in a pachinko machine that can be improved and improved for automation, and at the same time, can be secured with high reliability.
[0004]
[Means for Solving the Problems]
Based on the above-mentioned object, the present invention eliminates the conventional fastening with wood screws, and automatically attaches the parts fixed to the board members through the operation of inserting them into the mounting holes previously established for the board members such as the game board and the front frame. A device that can be attached to a plate is provided. In detail, the feature is that a locking member having a hollow fitting portion inside is inserted into a mounting hole established in a plate member. And an extension body that is press-fitted into the hollow fitting portion of the locking body, and is a mounting device in which components are coupled to or integrated with either the locking body or the expansion body. The stopper includes an expansion locking piece on the insertion side, and an engagement bulge on the inner surface of the free distal end of the locking piece, while the expansion body is formed to have an outer shape that can be inserted into the hollow insertion portion and the distal end An extended bulge is raised on the outer wall surface, and the locking member is attached to the plate member. After the insertion, the expansion body is press-fitted into the hollow insertion portion from the rear end side opening portion, and the engagement bulge portion is pressed by the expansion bulge portion to expand the locking piece, and the inner wall surface of the mounting hole An object of the present invention is to provide a mounting apparatus for parts in a pachinko machine characterized by being in press contact engagement.
[0005]
According to the present invention, for example, when a locking body is inserted into a mounting hole previously drilled in a game board, a front frame, etc., and then the expansion body is press-fitted into the hollow insertion portion of the locking body, Since the bulging portion presses the engagement raised portion of the extended locking piece outward, and the extended locking piece expands and is pressed against the inner wall surface of the mounting hole, the locking body fits into the mounting hole. The expansion body is fixed together at the same time. Therefore, the parts assembled to either the locking body or the expansion body or integrated in advance are fastened to the game board or the front frame by this fixing.
Next, in order to further clarify the present invention, the illustrated embodiment will be described in detail, and other features will be described together.
[0006]
Embodiment
[Example 1]
FIG. 1 to FIG. 3 show an example in which the present invention is implemented on a winning device for attaching to a game board. FIG. 1 is a plan view with a partial cross-section showing a state in the middle of attachment, FIG. 2 is an enlarged cross-sectional plan view of a main part showing a state of completion of attachment, and FIG. 3 is an exploded plan view with a partial cross-section before attachment. . Reference numeral 1 in the drawing is a game board as a plate member, 2 is a winning device, 3 is a through-hole opened in the gaming plate 1 for inserting the retaining portion 4 of the winning device 2, and 5 is adjacent to this through-hole. This is a mounting hole established for inserting the attachment device 6 of the present invention.
[0007]
The winning device is provided with a jump pocket 8 on the front surface of the mounting substrate 7, and is integrally provided with the holding portion 4 that forms a bowl for guiding a winning ball that has jumped into the pocket to the rear of the game board 1 on the rear surface. A detection switch 9 is mounted along the upper portion that penetrates from the rear side to the hook portion so as not to prevent the formation of the wrinkles, and the detection portion 9a faces the entrance of the jump pocket 8. And the through-hole 10 for mounting | wearing the attachment apparatus 6 is provided in the right-and-left both ends (drawing only the right end part is represented in the drawing, and the left end part is abbreviate | omitted) of the said mounting substrate 7. FIG.
[0008]
The attachment device 6 includes a locking body 6a and an expansion body 6b. The locking body 6a includes a flange 11 for restricting the insertion depth and a pair of expansion locking pieces 12 extending rearward from the rear surface of the flange. 12, the other expansion body 6b is formed in a rod shape and is provided with a flange 13 for restricting the insertion depth at one end (rear end) thereof.
[0009]
The locking body 6a has a hole 14 through which the expansion body 6b is passed through the flange 11, and the expansion locking pieces 12 and 12 are provided in parallel so as to sandwich an extension line extending rearward through the center of the hole 14. ing. The expansion locking pieces 12 and 12 extend from the rear surface of the flange 11, and are provided with a hollow fitting portion 15 for receiving the expansion body 6b therebetween. Further, the engagement protruding portions 16 are opposed to the inner surfaces of the free ends. , 16 are provided to sandwich the space between them.
[0010]
On the other hand, the expansion body 6b in the form of a rod is formed longer than the expansion locking piece 12, and a bulging portion 17 is provided on the outer peripheral surface near the tip portion, and a small portion is provided between the bulging portion 17 and the flange 13. A protrusion 18 is provided.
[0011]
The winning device 2 in this embodiment is manufactured by injection molding using a synthetic resin as a raw material, and the two members constituting the mounting device 6, that is, each of the locking body 6 a and the expansion body 6 b, have the required rigidity and appropriate elasticity. A synthetic resin is molded into the material. In addition, the through hole 10 is formed in the substrate 7 in conjunction with the formation of the winning device 2 to prepare for the mounting of the mounting device 6. On the other hand, each of the locking body 6a and the expansion body 6b of the attachment device 6 is individually molded and coupled by the procedure described below, and the winning device is fastened to the game board 1 through this coupling.
[0012]
Next, the fastening will be described according to the work procedure. First, the winning device 2 to be attached is attached from the front side of the game board 1, and the retaining portion 4 is inserted into the through hole 3, and at the same time, the through hole facing the mounting hole 5. Through the hole 10, the extended locking pieces 12, 12 of the locking body 6 a are inserted into the mounting hole 5.
At this time, the locking body 6a may be inserted into the through hole 10 of the board 7 after the winning device 2 is attached to the game board 1, but the extended locking pieces 12 and 12 are inserted into the through hole 10 in advance, You may make it insert in the attachment hole 5 simultaneously with the operation | work which attaches the winning device to the said game board in the state which fitted the hook | burr 11 to the expansion part 10a provided in a through-hole, and was assembled | attached.
[0013]
After the locking body 6 a is inserted into the mounting hole 5, the expansion body 6 b is inserted between the locking pieces 12 and 12 through the hole 14, and the bulging portion 17 at the tip of the extended body 6 b is in the raised portions 16 and 16. Push it in until it receives resistance, then press it further. Due to this pressing, the bulging part enters between the raised parts, both the locking pieces 12 and 12 are expanded inside the mounting hole 5, and the fastening operation is completed when the outer side surface is in pressure contact with the inner wall surface of the mounting hole. .
[0014]
By the way, the expansion body 6b may be inserted into the hollow insertion portion 15 of the locking body 6a during the push-in operation, but it is inserted into the hollow insertion portion 15 in advance as shown in FIG. In this state, the locking body 6a may be inserted into the through hole 10 of the mounting substrate 7 as described above and then brought into the mounting hole at the same time when it is inserted into the mounting hole 5.
The assembly with respect to the expansion body 6b means a temporary coupling state, and the expansion body 6b inserted into the hollow fitting portion 15 of the locking body 6a is immediately before the bulging portion 17 is interrupted between the protruding portions 16. The locking piece 12 is kept in its original form at the position. On the other hand, the expansion body itself passes through the small protrusion 18 through the hole 14 using the elasticity of the material, and is latched to the edge and held so as not to be arbitrarily escaped (see FIG. 1). .
[0015]
When the fastening is completed as shown in FIG. 2, the expansion body 6 b is fitted into the expansion portion 14 a provided with the collar 13 in the hole 14, and is flush with the collar 11 of the locking body 6 a with respect to the mounting board 7 of the winning device 2. Therefore, the bulging portion 17 provided at the tip portion is interrupted between the raised portions 16 and 16.
[0016]
In this embodiment, the components to be mounted, that is, the winning device 2 and the mounting device 6 are separated from each other. However, the locking body 6a is integrally provided at the position of the through hole 10 of the mounting substrate 7 of the winning device. The extension locking pieces 12 and 12 may extend directly from the back surface of the substrate. That is, the present invention can be implemented even if the locking piece 12 of the locking body is integrally formed when the mounting substrate of the winning device is molded, and only the expansion body 6b is formed separately and assembled. .
[0017]
[Example 2]
4 to 8 show other examples in which the present invention is implemented for different winning devices. 4 is a cross-sectional plan view of the state of use mounted on the game board, FIG. 5 is also a central longitudinal side view, FIG. 6 is a plan view with a partial cross-section in an exploded state, FIG. 7 is an exploded perspective view, FIG. It is a cross-sectional top view which shows a temporary coupling state. In this embodiment, the same portions as those described in the first embodiment are denoted by the same reference numerals, the description thereof is omitted, and the description of the first embodiment is further supplemented in related portions. I will explain.
[0018]
In the embodiment, the mounting device is provided with the expansion body 6b integrally with the winning device 2, and the mounting hole 5 provided in the game board 1 by combining the winning device and a locking member 6a formed separately (this embodiment). The example shows an example in which the winning ball 2 is attached to the front surface of the game board 1, and the winning device 2 is attached to the front surface of the game board 1. 22, an intrusion pocket 8 protruding to the front surface, and a hook portion 4 having a hook shape protruding rearward from the rear surface, and the guide rod 21 is penetrated through the inside of the jump pocket 8 and the hook portion 4. Provided.
[0019]
In the figure, reference numerals 23 and 23 denote engaging pieces constituting the expansion body 6b, and these engaging pieces are rearward from the rear surface of the mounting board along the upper edge portions of the left and right side walls 4a and 4a of the hook-shaped retaining portion 4. It is extended in parallel toward.
Both engaging pieces 23, 23 are provided with bulging portions 17, 17 on the outer surface of each free end, and provided with small protrusions 18, 18 between the bulging portion and the base end portion, and each free end portion. Claws 24, 24 are provided so as to face the inner surface.
[0020]
The claws 24, 24 are for holding the detection switch 9 incorporated in the winning device 2, and the detection switch 9 that faces from the back of the holding portion 4 is inserted between the engaging pieces 23, 23, and the detection unit 9a When the contact with the front wall of the jump pocket 8 is stopped, the claws 24, 24 are hooked on the rear end of the detection switch to prevent the slipping out.
When the above-mentioned detection switch 9 is mounted, it enters with the engaging pieces 23, 23 pushed open along the upper edges of the side walls 4 a, 4 a of the holding portion 4 and collides with the front wall of the entry pocket 8. By the way, the claws 24, 24 are latched by the restoring force of the engaging piece. As a result of this attachment, the left and right engaging pieces 23, 23 are filled with each other, and are prevented from bending inwardly, thereby maintaining a constant width interval. In other words, the wedge-shaped expansion body 6a is formed by biting the detection switch 9 between the engaging pieces 23 and 23 here.
[0021]
On the other hand, the locking body 6a is formed in a rectangular tube shape as a whole here, and is provided with a flange 11 for restricting the amount of insertion on the outer peripheral surface of the one end opening 14, and a part of the rectangular tube portion 25 is separated to form a pair of expansion members. Stop pieces 12 and 12 are provided.
The rectangular tube portion 25 has a hollow portion as a fitting portion 15 that can receive the retaining portion 4 pushed through the opening portion 14, and is expanded so as to correspond to the engaging pieces 23 and 23 provided in the retaining portion 4. Locking pieces 12, 12 are provided.
[0022]
As shown in the figure, the extended locking pieces 12 and 12 are formed by separating the upper portions of the left and right side wall portions of the rectangular tube portion 25 with two slits 26 from the rear end portion, and the inner surfaces of the free end portions of the rear end portions. Are provided with ridges 16 and 16 facing each other to narrow the distance therebetween.
[0023]
In the mounting device shown in the embodiment, the expansion body 6b integrated with the winning device and the locking body 6a formed in a rectangular tube shape are individually molded using a synthetic resin as a raw material. Then, it is brought into the through hole 5 of the game board.
Prior to the coupling of the two, in this embodiment, the detecting switch 9 is mounted and combined in accordance with the procedure described above between the engaging pieces 23, 23 of the expansion body 6b. Assembling and coupling are performed by fitting through the opening 14 to the hollow fitting portion 15 of the locking body 6a.
[0024]
FIG. 8 shows the above combined state. The extension portion 6b of the extended portion 6b has a bulging portion 17 of the engaging piece 23 with respect to the hollow fitting portion 15 of the engaging body 6a. The small protrusions 18 and 18 provided on the engaging piece 23 pass through the opening 14 using the flexibility of the material and engage with the edge on the back side. Is blocked and the bond is retained.
The coupling between the two is a coupling in a temporarily fixed state, and is combined into one as a part. At this time, as shown in the drawing, the bulging portion 17 is positioned in front of the raised portion 16 to keep the extended locking pieces 12 and 12 in the original shape.
[0025]
The two members 6a and 6b combined in this way are inserted into the through hole 5 of the game board 1 as they are, and the bag 11 of the locking body 6a is brought into contact with the front surface of the game board. Next, the front surface of the winning device 2 is pressed, and the retaining portion 4 is pushed in toward the back of the hollow insertion portion 15 until the mounting substrate 22 comes into contact with the front surface of the saddle 11 to complete the mounting operation.
The holding portion 4 that has received a strong push from the front face of the winning device causes the bulging portion 17 provided on the engaging piece 23 to be interrupted between the raised portions 16 and 16 of the extended locking piece 12 as it enters, As a result, the locking pieces 12, 12 are expanded toward the side, and the outer surface thereof is pressed against the inner wall surface of the through-hole 5 to be locked. At this time, the engaging pieces 23 and 23 become wedges by interposing the switch 9 therebetween, and both the expansion locking pieces 12 are held in the expanded state.
[0026]
In FIG. 9, a locking claw 27 is provided on the outer surface of the free end portion of the extended locking piece 12 provided on the rectangular tube-shaped locking body 6 a, and the locking piece 12 is expanded by press-fitting the retaining portion 4. Another embodiment in which the locking force of the game board with respect to the through hole 5 is strengthened is shown. Although the locking claw 27 protrudes in a claw shape, the same effect can be obtained by projecting the corrugated shape on the outer surface of the free end or by projecting a large number of small protrusions.
[0027]
The mounting device of the present invention is configured as described above, and when used, after inserting the locking body 6a in which the expansion body 6b is fitted into the mounting hole 5 previously opened in the game board 1 or the like, the expansion body is inserted from the front. By pressing, parts such as a winning device to be fixed can be fastened. Of course, this mounting device can be implemented in exactly the same manner as a device for attaching decorative parts such as an illumination lamp and an indicator lamp to the front frame instead of the winning device having the entry pocket.
[0028]
【The invention's effect】
As described above, the present invention has been described with respect to the embodiments. From the above configuration, according to the mounting device of the present invention, since it can be fixed by inserting it into the mounting hole drilled in the game board etc. Compared with the conventional method, it is possible to provide a reliable fastening because it can be easily and uniformly secured.
In addition, the present invention can be provided at a low cost because it can be molded together with the manufacture of parts as a part of the parts, and the locking body and the expansion body constituting the apparatus can be coupled in a temporarily locked state. This is advantageous in terms of handling management.
[Brief description of the drawings]
FIG. 1 is a partial cross-sectional plan view showing a state in the middle of attachment.
FIG. 2 is an enlarged cross-sectional plan view of a main part showing a mounting completion state.
FIG. 3 is an exploded plan view with a partial cross section before mounting.
FIG. 4 is a cross-sectional plan view of the usage state mounted on the game board.
FIG. 5 is a central longitudinal side view of the usage state.
FIG. 6 is a plan view showing a partial cross-section in an exploded state.
FIG. 7 is an exploded perspective view.
FIG. 8 is a cross-sectional plan view of a temporarily coupled state.
FIG. 9 is a perspective view of a locking body according to another embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Game board 2 which is a board member Winning device 5 Mounting hole 6 Mounting device 6a Locking body 6b Expansion body 11 １１12 Expansion locking piece 13 鍔 14 Hole 15 Hollow insertion part 16 Engagement bulging part 17 Expansion bulging part 18 Small protrusion 23 Engagement piece 24 Claw 27 Locking claw

Claims (2)

An extension locking piece 12 to be inserted into the mounting hole 5 established in the plate member 1 is extended from the rear surface of the flange 11, and a locking body 6a having a hollow insertion portion 15 therein, and a hollow insertion of the locking body 6a. An attachment device having an extension body 6b inserted into the portion 15 through a hole 14 formed in the flange 11, wherein the locking body 6a is engaged with an inner surface of a free end portion of the extension locking piece 12. The expansion body 6b is provided with a pair of locking pieces 23, 23 which are parallel to each other with a gap therebetween, and an extended bulging portion 17 is formed on the outer wall surface of the tip portion, and the locking pieces 23, 23, the detection switch 9 is fitted and held, and the expansion body 6b is inserted into the hollow insertion portion 15 through the hole 14 of the locking body 6a, so that both bodies 6a and 6b can be coupled to a temporarily fixed state. Before the locking body 6a is inserted into the mounting hole 5 of the plate member By further pressing the expansion body 6b, the expansion bulge portion 17 is engaged with the engagement bulging portion 16 of the expansion locking piece 12, and the locking body 6a is forcibly expanded to press contact with the mounting hole 5. A mounting apparatus for parts in a pachinko machine characterized by being engaged. In the description of claim 1, when the small protrusion 18 is provided on the outer wall surface avoiding the expansion bulging portion 17 in the expansion body 6b and is inserted into the hollow fitting portion 15 of the locking body 6a to be in a temporarily fixed state. A mounting apparatus for parts in a pachinko machine, wherein the small protrusion 18 is engaged with an edge of a hole 14 formed in the flange 11 of the locking body 6a to prevent the protrusion.

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