JPH0114233Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Field of Application The present invention relates to a paper roll machine in which a roll paper is rotatably supported via a support shaft between the left and right sides with substantially cutouts in the upper and lower walls.

Construction of the conventional example and its problems Conventional paper roll machines of this type have been constructed as shown in FIGS. 1 to 9. That is, in the figure, 1 is a main case, and this main case 1 has a hollow part 3 in the left and right walls 2 where the upper and lower walls are almost cut out, and inside this hollow part 3 there is a cylindrical shape as shown in FIG. The first bearing portion 4 is integrally formed. Further, an opening 5 is provided in the rear part of the main case 1.
6 is a concave notch provided on the inner side of the left and right walls 2 of the main case 1, 7 is a U-shaped groove provided on the upper part of the inner side of the left and right walls 2, and 8 is a paper cutting board. The paper cutting board 8 is provided with shaft portions 9 at both rear ends thereof, and is rotatably supported by fitting the shaft portions 9 into the U-shaped groove portion 7. 10
is a back plate that closes the rear opening 5 of the main case 1;
This back plate 10 is fitted from behind through the rear opening 5 and fixed with four screws 11. Furthermore, left and right standing walls 12 and a cylindrical second bearing part 13 are integrally formed on the back plate 10, and the standing walls 12 face the concave notch 6 of the main case 1, Moreover, the second bearing part 13 is opposed to the first bearing part 4 of the main case 1. Reference numeral 14 denotes a support shaft for supporting the roll paper, and this support shaft 14 can be rotated by fitting rotation shafts 14a provided on both end faces into the first bearing portion 4 and the second bearing portion 13, respectively. It is pivoted for free movement. Also, the support shaft 14
has its tip protruding inward from the concave notch 6 in the main case 1. Reference numeral 15 denotes a tongue portion integrally formed at the root portion of the support shaft 14 located in the hollow portion 3 of the left and right walls 2 of the main case 1;
This tongue portion 15 is made elastic by providing slits 16 on both sides, and has a bent portion 15a projecting outward from the outer peripheral surface of the support shaft 14 at its tip.

In the above configuration, when assembling the paper roller, first the hollow portions 3 in the left and right walls 2 of the main case 1
The rotation shaft 1 of the support shaft 14 is attached to the first bearing portion 4 provided inside the shaft.
4a, and from that state fit the back plate 10 into the rear opening 5 of the main case 1 from behind, and tighten the screws 1.
Fixed at 1. In this case, the second
The bearing portion 13 is fitted onto the rotating shaft 14a of the support shaft 14 to rotatably support the support shaft 14 with the first bearing portion 4, and the vertical wall 12 is connected to the concave portion of the main case 1. It faces the notch 6. Thereafter, the shaft portion 9 of the paper cutting board 8 is fitted into the U-shaped groove portion 7 and is rotatably supported.

In addition, when installing roll paper to this paper winder, as shown in Fig. 9, roll paper 17
When the support shaft 14 is inserted in the direction of arrow A, the support shaft 14 is pushed by the end surface of the roll paper 17 and rotates in the direction of arrow B from the state shown by the dotted line as shown in FIG.
With this movement, the bent portion 15a of the tongue portion 15 formed at the base of the support shaft 14 comes into pressure contact with the inner wall 3a of the hollow portion 3 in the left and right walls 2 of the main case 1, and the support shaft 14 is brought into a solid line state. At the point where the tongue portion 15 is bent, the tongue portion 15 is curved inward from the outer circumferential surface of the support shaft 14, so that an elastic force is imparted to the tongue portion 15. When the center core 17a of the roll paper 17 is aligned with the support shaft 14 and the external force applied to the support shaft 14 is removed, the support shaft 14 is rotated in the direction of arrow C in FIG. 9 by the elastic force of the tongue portion 15. It moves and is fitted into the core 17a of the roll paper 17 to rotatably support the roll paper 17.

However, in the conventional configuration described above, when the roll paper 17 is inserted, the support shaft 14 is free until an elastic force is applied to the tongue portion 15, so the roll paper 17 may easily come off, or the support shaft 14 There were problems such as rattling noises when playing with the toys.

Purpose of the invention In view of the above-mentioned conventional problems, the purpose of this invention is to solve the problem of the roll paper once inserted into the spindle being accidentally removed, and the rattling noises caused by the play of the spindle. .

Structure of the Invention In order to achieve the above object, the present invention forms an elastic coil-shaped spring part so as to protrude from side to side perpendicular to the root part located in the hollow part of the spindle for supporting roll paper. At the same time, a claw is formed at the tip thereof, and the coiled spring part is fitted into the first bearing part and the second bearing part, and the claw at the tip part is inserted into the first bearing part and the second bearing part. When the tip of the spindle is rotated upward by pushing up the roll paper, an elastic force is applied to the coiled spring, and the elastic force causes the tip of the spindle to rotate upward. According to this structure, when the tip of the spindle is rotated upward by pushing up the roll paper, the coiled spring Since a twisting force acts on the part and gives an elastic force, the roll paper is reliably supported by this elastic force. This eliminates the occurrence of rattling and rattling sounds caused by play.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 10 to 18. Note that in FIGS. 10 to 18, parts that are the same as those in the conventional example are given the same numbers, and only the points that are different from the conventional example will be explained. That is, 21 is a support shaft for supporting the roll paper 17, and this support shaft 21 has a coil-shaped spring portion 21a provided on both sides and a claw 21 at the tip thereof.
b is fitted into the first bearing part 4 and the second bearing part 13, respectively, so that it is rotatably supported. Further, the coiled spring portion 21a is integrally formed of synthetic resin so as to protrude from side to side, perpendicular to the root portion of the support shaft 21 located in the hollow portion 3 of the left and right walls 2 of the main case 1. , a claw 21b is integrally formed at its tip. The claw 21b at the tip of the coiled spring portion 21a is inserted and locked in the groove 4a provided in the first bearing 4 and the groove 13a provided in the second bearing 13, respectively.

In the above configuration, when assembling the paper roller, first the hollow portions 3 in the left and right walls 2 of the main case 1
The coiled spring portion 21a of the support shaft 21 is fitted into the first bearing portion 4 provided inside the back plate 1.
0 is fitted into the rear opening 5 of the main case 1 from behind and fixed with screws 11. In this case, the second bearing part 13 in the back plate 10 is fitted into the coiled spring part 21a of the support shaft 21, and the second bearing part 13
The support shaft 21 is rotatably supported by the vertical wall 12.
faces the concave notch 6 of the main case 1. Thereafter, the shaft portion 9 of the paper cutting board 8 is fitted into the U-shaped groove portion 7 and is rotatably supported.

In addition, when installing roll paper in this paper winder, as shown in Fig. 18, roll paper 1
7 is inserted in the direction of arrow A, the support shaft 21 is pushed by the end surface of the roll paper 17 and rotates in the direction of arrow B from the state shown by the solid line as shown in FIG. In this case, a coil-shaped spring portion 21a formed to protrude in the left-right direction perpendicular to the root portion of the support shaft 21 is fitted into the hollow first bearing portion 4 and the second bearing portion 13, respectively. At the same time, the claw 21b at the tip is fitted into the groove 4a of the first bearing part 4 and the groove 13a of the second bearing part 13, so when the support shaft 21 is pushed in the direction of arrow B, the coil-shaped A twisting force acts on the spring portion 21a, and an elastic force is applied to the spring portion 21a to return it to its original state. When the center core 17a of the roll paper 17 is aligned with the support shaft 21 and the external force applied to the support shaft 21 is removed, the support shaft 21 is rotated in the direction of arrow C by the elastic force of the coiled spring portion 21a. Center core 1 of roll paper 17
It is fitted into 7a and supports the roll paper 17 in a rotatable manner.

Effects of the invention As described above, according to the invention, when the tip of the spindle is rotated upward by pushing up the roll paper, a screw force acts on the coiled spring part and gives elastic force. Because of this structure, the roll paper is reliably supported by this elastic force, which causes the roll paper to come off carelessly and create rattling sounds due to the play of the spindle. It is something that can be done without having to do it.

[Brief explanation of the drawing]

Fig. 1 is a top view of a conventional cigarette maker, Fig. 2 is a front view of the cigarette maker, Fig. 3 is a side view of the same, and Fig. 4 is a top view of the cigarette maker.
5 is a sectional view taken along line C-C in the figure, FIG. 5 is a sectional view taken along line D-D in FIG. 2, FIG. 6 is a sectional view taken along line E-E in FIG.
Figure 8 is an exploded perspective view of the paper roll, Figure 8 is a perspective view of the spindle in the paper roll, Figure 9 is a partially sectional front view showing the operating state when the roll paper is installed in the paper roll, and Figure 10 is The figure is a top view of a cigarette machine showing an embodiment of the present invention, FIG. 11 is a front view of the cigarette machine, FIG. 12 is a side view of the same, and FIG. 13 is C'-
14 is a sectional view taken along the line D'-D' in Fig. 11, Fig. 15 is a sectional view taken along the line E'-E' in Fig. 10, and Fig. 16 is an exploded perspective view of the cigarette holder. FIG. 17 is a perspective view of a support shaft in the paper winder, and FIG. 18 is a partially sectional front view showing the operating state when the paper winder is equipped with roll paper. DESCRIPTION OF SYMBOLS 1... Main case, 2... Left and right walls, 3... Hollow part, 4... First bearing part, 5... Opening, 8... Paper cutting board, 10... Back plate, 13... Second bearing part, 1
7... Roll paper, 17a... Center core, 21...
...Support shaft, 21a...Coil-shaped spring part, 21a...
...Tip claw.

Claims (1)

[Scope of utility model registration request] A hollow portion is provided in the left and right walls by substantially notching the upper and lower walls, and a first bearing portion is provided within the hollow portion,
and a main case having an opening in the rear part, and a back plate forming a second bearing part opposite to the first bearing part in the main case, and being fitted and attached to the opening in the rear part of the main case. a paper-cutting plate rotatably provided at the upper part of the left and right walls of the main case, a part of which protrudes inward from the left and right walls of the main case, and the first bearing part and the second bearing part. and a support shaft for supporting the roll paper that is rotatably supported upwardly by the support shaft. A coil-shaped spring part is formed with a claw at the tip thereof, and the coil-shaped spring part is fitted into the first bearing part and the second bearing part, and the claw at the tip part is inserted into the first bearing part. and a groove formed in the bearing part and the second bearing part, and when the tip of the support shaft is rotated upward by pushing up the roll paper, an elastic force is applied to the coiled spring part, This paper roller is configured so that its elastic force causes the tip of the spindle to rotate downward and fit into the core of the roll paper.