JPH041615B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a paper winder in which a roll paper is rotatably supported via a support shaft between left and right walls in which the upper and lower walls are substantially cut out.

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 upper and lower walls 2 which 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 on the upper part of the inner side of the left and right walls 2, 8 is a paper cutting board,
This paper cutting board 8 is provided with shaft parts 9 at both ends of the rear part,
By fitting this shaft portion 9 into the U-shaped groove portion 7, it is rotatably supported. A back plate 10 closes the rear opening 5 of the main case 1, and the back plate 10 is fitted into the rear opening 5 from behind and fixed with four screws 11. Further, the back plate 10 is integrally formed with left and right standing walls 12 and a cylindrical second bearing portion 13.
2 faces the concave notch 6 of the main case 1, and the second bearing part 13 faces 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 sides into the first bearing portion 4 and the second bearing portion 13, respectively. It is pivoted for free movement. Further, the tip of the support shaft 14 projects inward from the concave notch 6 in the main case 1. 15 is the main case 1
A support shaft 1 located within a hollow portion 3 in the left and right walls 2 of
This tongue part 1 is integrally formed at the base of 4.
5 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 the tip.

In the above configuration, when assembling the cigarette machine, first, the rotating shaft 14a of the support shaft 14 is fitted into the first bearing part 4 provided in the hollow part 3 in the left and right walls 2 of the main case 1, and from this state The back plate 10 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 fits into the rotation shaft 14a of the support shaft 14 and rotatably supports the support shaft 14 with the first bearing part 4, and 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 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 rotation, the bent portion 15a of the tongue portion 15 formed at the base of the support shaft 14 bends between the left and right walls of the main case 1.
When the tongue portion 15 comes into pressure contact with the inner wall 3a of the hollow portion 3 and the support shaft 14 reaches the solid line state, the tongue portion 15 curves inward from the outer circumference of the support shaft 14, so that the tongue portion 15 has elasticity. power is given. 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 played with.

Purpose of the Invention In view of the above-mentioned conventional problems, it is an object of the present invention to solve the problem of the roll paper once inserted into the spindle being accidentally removed, and the rattling noise caused by the play of the spindle. .

Structure of the Invention In order to achieve the above object, the present invention provides a pin located in the hollow part of the main case at the base of a spindle for supporting roll paper, and a coil spring is wound around the outer periphery of this pin. One end of the coil spring is bent and hooked on a support shaft, and the other end is pressed against the inner wall of the hollow part of the main case so that its elastic force is constantly applied to the support shaft, and the tip of the support shaft is attached to a roll paper. When the support shaft is rotated upward by pushing up, the elastic force of the coil spring causes the support shaft to rotate downward and fit into the center core of the roll paper. Because the elastic force of the coil spring is constantly applied,
Roll paper will definitely be supported,
As a result, problems such as the roll paper inserted into the spindle being accidentally removed or rattling noises caused by the play of the spindle can be solved.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 10 to 18. In addition, this figure 10~1
In FIG. 8, 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 spring 22 attached to the outer periphery of a pin 22a provided on both sides of the base.
one end of this coil spring 22b is bent and hooked on the end of the support shaft 21, and the other end is made straight and pressed against the inner wall of the hollow part 3 of the main case 1, so that the support shaft 21 is always The elastic force is applied to the support shaft 21 so that it is in the state shown by the solid line in FIG. Further, the tip of the support shaft 21 projects inward from a concave notch 6 provided on the inner surface of the left and right walls 2 of the main case 1.

In the above configuration, when assembling the cigarette machine, first, the pin 22a provided at the base of the support shaft 21 is fitted into the first bearing portion 4 provided in the hollow portion 3 in the left and right walls 2 of the main case 1, From that state, back board 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 portion 13 in the back plate 10 is connected to the pin 2 of the support shaft 21.
2a and the support shaft 2 with the first bearing part 4.
1 is rotatably supported on a shaft and integrally formed on the left and right sides of the back plate 10, vertical walls 12 face 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.

When the roll paper 17 is attached to this paper winder, as shown in FIG.
As shown in the figure, it rotates in the direction of arrow B from the state shown by the solid line. In this case, a coil spring 22b is wound around the outer periphery of a pin 22a which is perpendicular to the base of the support shaft 21 and protrudes in the left-right direction, and one end of this coil spring 22b is bent and attached to the end of the support shaft 21. The other end of the hook is in a straight line and pressed against the inner wall of the hollow part 3 of the main case 1, so when the support shaft 21 is pushed in the direction of arrow B, the support shaft 2 is attached to the coil spring 22b.
If you try to return 1 to its original state, an even stronger elastic force will be applied. And the center core 17 of the roll paper 17
When a coincides with the support shaft 21 and the external force applied to the support shaft 21 is removed, the support shaft 21 is moved by the coil spring 2.
It is rotated in the direction of arrow C by the elastic force of 2b and is fitted into the core 17a of the roll paper 17 to rotatably support the roll paper 17.

Effects of the Invention As described above, according to the present invention, when the tip of the spindle is rotated upward by pushing up the roll paper, an elastic force is imparted to the coil spring wound around the outer circumference of the pin of the spindle, In addition, since the support shaft is configured so that the elastic force of the coil spring is always applied, the roll paper is reliably supported by this elastic force. This also eliminates the occurrence of rattling sounds caused by the play of the spindle.

[Brief explanation of drawings]

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 the line D-D in FIG. 2, FIG. 6 is a sectional view taken along the line E-E in FIG.
Figure 8 is an exploded perspective view of the cigarette maker, Figure 8 is a perspective view of the spindle in the cigarette holder, Figure 9 is a partial sectional view showing the operating state when the cigarette holder is equipped with roll paper, and Figure 10 is a A top view of a cigarette maker showing an embodiment of the present invention, FIG. 11 is a front view of the cigarette maker, FIG. 12 is a side view of the same, FIG. Fig. 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, Fig. 16 is an exploded perspective view of the cigarette holder, and Fig. 17 a. , b is a vertical cross-sectional view and a side cross-sectional view around the spindle of the same cigarette roller,
FIG. 18 is a partially sectional front view showing the operating state when the paper roll machine 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...
...Spindle, 22a...pin, 22b...coil spring.

Claims (1)

[Claims] 1. A main case with a hollow part provided in the left and right walls where the upper and lower walls are substantially cut out, a first bearing part provided in the hollow part, and an opening in the rear part, and a main case facing the first bearing part in this main case. a back plate that forms a second bearing portion that is attached to the main case and is fitted into an opening in the rear portion of the main case, and a paper cutting plate that is rotatably provided at the upper part of the left and right walls of the main case; , a support shaft for supporting roll paper that partially projects inward from the left and right walls of the main case and is rotatably supported in an upward direction by the first bearing portion and the second bearing portion; A pin located in the hollow is provided at the base of the spindle, a coil spring is wound around the outer periphery of the pin, one end of the coil spring is bent and hooked onto the spindle, and the other end is attached to the spindle. The elastic force of the coil spring is pressed against the inner wall of the hollow part of the case so that the elastic force is always applied to the support shaft, and when the tip of the support shaft is rotated upward by pushing up the roll paper, the elastic force of the coil spring is A paper roller configured so that the tip of the spindle is rotated downward and inserted into the core of the roll paper.