JP2023050371A - roll paper holder - Google Patents

Abstract

To provide a roll paper holder which, by following up the drawing motion of a roll paper, surely transfers a cutting member and enables a cutting motion to be performed with a simple structure.SOLUTION: A roll paper holder 1 referred to the present invention includes: a cover body 10 which is arranged in a manner covering a roll paper P from above and which is rotatably installed; a movable plate body 20 which is attached through a tension spring 14 on the lower surface side of the cover body 10 and which is placed on the peripheral surface of the roll paper P so that it is movable along the drawing direction of the roll paper P; a cover-side magnet member 13 installed on the underside of the cover body 10; and a movable-side magnet member 24 which is arranged in a movable range capable of oppositely facing the cover-side magnet member 13 on the upper surface of the movable plate body 20 and which is installed so that a magnetic force for resisting the cover-side magnet member 13 is produced.SELECTED DRAWING: Figure 1

Description

The present invention relates to a roll paper holder that rotatably supports roll paper such as toilet paper and cuts it to a desired length.

2. Description of the Related Art For roll paper such as toilet paper, a roll paper holder has been put into practical use, in which a support shaft is inserted into a cylindrical winding core, and the roll paper holder is rotatably supported around the support shaft. In such a roll paper holder, a cutter is provided at the leading edge of a cover attached to cover the roll paper from above, and the end of the roll paper is grasped by hand, pulled out to the desired length, and cut by the cutter. It is designed to

After being cut by the cutter, the edge of the roll paper is in contact with the edge of the cover, so that it is in close contact with the circumference of the roll. Next, when trying to pull out the end of the roll paper, it is necessary to lift the cover to separate it from the roll paper, and then peel the end of the roll paper from the periphery of the roll and pull it out. Therefore, there is a problem that the operation of pulling out the roll paper is troublesome. In particular, when the roll paper is wound thinly and tightly, the end portion sticks to the roll, making it difficult to see, and the roll must be turned to check.

Various improvement techniques have been proposed to address these problems associated with conventional roll paper holders. For example, in Japanese Unexamined Patent Application Publication No. 2002-100003, a slide plate is held in a removable manner by a receiving plate fixed on a cover attached to a holder body, and after cutting the roll paper by protruding from the front end of the slide plate receiving plate, A roll paper holder is disclosed in which a slide plate is retracted by an elastic member to leave the end of the roll paper. Further, in Patent Document 2, a protruding cut portion protruding from the tip of the cover portion of the toilet paper holder and a slide mechanism for holding the protruding cut portion are provided, and the protruding cut portion is slid by the slide mechanism to move forward or downward of the cover portion. is moved to a cutting position to cut the toilet paper, leaving a grip margin on the cut toilet paper. Further, in Patent Document 3, by pulling the tip of the paper roll and feeding it out, the paper feeding plate advances so as to protrude from the upper fixed cover member, and the paper feeding plate is cut by the cutter blade of the paper feeding plate. A paper roll holder is described which is retracted from the upper stationary cover member by a spring leaving a paper gripping margin.

Japanese Patent No. 4435856 Registered Utility Model No. 3209079 Japanese Patent No. 6151309

In Patent Document 1, the slide plate is pulled out for cutting, and the slide plate is retracted by an elastic member so as to leave the cut ends of the roll paper. Therefore, there is a problem that it is difficult to match the timing of the user's cutting operation, and it is not possible to stably leave the end of the roll paper.

In Patent Document 2, the protruding cutting part is slid and held by a slide mechanism, but it is necessary to pull out the protruding cutting part to protrude and to retract the protruding cutting part. There is a problem that there are many other operations.

In Patent Document 3, the paper feeding plate is advanced in conjunction with the paper feeding operation. It is difficult to stably advance the feeding plate, and it is difficult to reliably engage the advanced paper feeding plate with the stopper member. In addition, it is necessary to elaborately assemble parts with complicated shapes, and there is room for consideration in terms of cost.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a roll paper holder that can perform a cutting operation by reliably moving a cutting member following the operation of pulling out the roll paper with a simple configuration.

A roll paper holder according to the present invention includes a support body that supports the roll paper so as to be rotatable in the circumferential direction, and a rotatably attached cover body arranged to cover the roll paper from above. a movable plate mounted on the peripheral surface of the roll paper so as to be movable along the pull-out direction of the roll paper, attached to the lower surface side of the cover via a stretchable elastic member; A cutting member attached to the front edge of the movable plate in the pull-out direction, a cover-side magnet member attached to the lower surface of the cover, and an upper surface of the movable plate capable of facing the cover-side magnet member. a movable-side magnet member arranged in a wide range of movement and attached so as to generate a magnetic force repulsive to the cover-side magnet member. Further, a rolling member that contacts the peripheral surface of the roll paper is rotatably attached to the lower surface of the movable plate. Further, the cover body includes a rotatably attached base portion, and a holding portion that holds the movable plate on the lower surface side and is swingably pivotally supported on the front side of the base portion. . Further, the movable plate includes a rear plate-shaped portion to which the stretchable elastic member is attached, a front plate-shaped portion to which the cutting member is attached to a front edge, and a rear plate-shaped portion which is attached to the front edge. and a connecting portion that is pivotably connected to the front side of the.

According to the present invention, with the configuration as described above, the cover-side magnet member attached to the lower surface of the cover body and the cover-side magnet member arranged on the upper surface of the movable plate within a movement range capable of facing the cover-side magnet member. Since the movable side magnet member is attached so as to generate a magnetic force repulsive to the side magnet member, the movable plate body follows the pullout operation of the roll paper and the tensile force of the stretchable elastic member is applied to the cover body. When the cover-side magnet member and the movable-side magnet member move against each other, the repulsive force between the cover-side magnet member and the movable-side magnet member makes it possible to slow down the pull-back motion of the stretchable elastic member, thereby ensuring a stable cutting motion. becomes.

1 is a side view of a roll paper holder according to the present invention; FIG. FIG. 2 is an exploded perspective view of the roll paper holder shown in FIG. 1; It is explanatory drawing which shows an example of a rolling member. FIG. 5 is a side view showing a state in which the end of the roll paper is pulled out; FIG. FIG. 4 is a perspective view of the state in which the end of the roll paper is pulled out, as viewed obliquely from above; FIG. 10 is an explanatory diagram relating to the process of cutting the roll paper; FIG. 10 is an explanatory diagram relating to the process of cutting and using the roll paper;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments according to the present invention will be described in detail. It should be noted that the embodiments described below are preferred specific examples for carrying out the present invention, and thus various technical limitations are made. Unless otherwise specified, these forms are not intended to be limiting.

FIG. 1 is a side view of a roll paper holder according to the present invention, and FIG. 2 is an exploded perspective view thereof. The roll paper holder 1 is provided with a mounting bracket 2 having a U-shaped cross section fixed to a wall surface or the like, and a paper receiving bracket 3 protruding almost perpendicularly to the wall surface is attached to the portion fixed to the wall surface. there is In the following description, the front side (the left side in FIG. 1) of the mounting bracket 2 will be referred to as the "front side", and the back side (the right side in FIG. 1) will be referred to as the "rear side".

A rod-shaped paper bearing 4 is attached to the tip of the paper receiving bracket 3 so that one end is parallel to the wall surface, and the other end of the paper bearing 4 is L-shaped. facing upwards.

A cylindrical rotation support member 5 is inserted into the paper bearing body 4 , and the rotation support member 5 is attached via a clutch member 6 fixed to the paper bearing body 4 . The clutch member 6 is rotatable in the direction in which the roll paper P is pulled out, but is set so as not to rotate in the direction opposite to the direction in which the roll paper P is pulled out. Therefore, in a state where the roll paper P is set, the rotation support member 5 rotates following the rotation of the roll when the roll paper P is pulled out, but does not rotate in the direction in which the roll paper P is rewound. It's like

In this example, the paper bearing member 4 and the rotation support member 5 function as a support member that supports the roll paper P so as to be rotatable in the circumferential direction. Note that the support is not particularly limited and may have a structure other than this. For example, it may be of a known type in which both ends of a rod-shaped bearing are supported.

A cover body 10 is rotatably attached to the lower side of the roof portion of the mounting bracket 2 . The cover body 10 has a base portion 10a rotatably attached via a pivot member 11 to the portion fixed to the wall surface of the mounting bracket 2, and a connecting member 12 swingably attached to the front side of the base portion 10a. and a connected holding portion 10b. Each of the base portion 10a and the holding portion 10b is made of a thin plate having an arcuate cross section and a width wider than the width of the roll paper P. It is formed in a curved shape and attached so as to cover the roll paper P.

A pair of extension springs 14, which are stretchable elastic bodies, are arranged on both sides of the rear part of the holding part 10b, with both sides partially cut away so as to be narrow. The tension spring 14 has one end engaged with the connecting member 12 and the other end engaged with a movable plate 20, which will be described later. Always energized.

A pair of cover-side magnet members 13 are attached to the lower surface side of the holding portion 10b, and the cover-side magnet members 13 are arranged at a predetermined interval in the width direction. A narrow ridge 10c protruding downward is formed over the entire width of the lower side of the front edge of the holding portion 10b.

A movable plate 20 is arranged on the lower surface side of the holding portion 10b of the cover body 10 . The movable plate 20 includes a rear plate-like portion 20a to which the tension spring 14 is attached and a front plate-like portion 20b to which the cutting member 30 is attached to the front edge. 20a is connected by a connecting portion 25 so as to be able to swing. As the connecting portion 25, for example, a thin film-like connecting portion is integrally formed between the rear edge of the front plate-like portion 20b and the front edge of the rear plate-like portion 20a so as to bend downward. can be pivotally connected to the Alternatively, a thin film may be adhered between them to connect them.

The width of the rear plate-shaped portion 20a is formed narrower than the width of the holding portion 10b, and the other ends of the tension springs 14 are engaged with the engaging portions 23 fixed on both sides. A fall prevention sheet 21 is attached to the rear side of the rear plate-like portion 20a so as to extend rearward. The fall prevention sheet 21 is provided to prevent the connecting member 12 of the cover body 10 from falling downward and causing the cover body 10 to be bent.

A pair of movable-side magnet members 24 are attached to the upper surface side of the rear plate-shaped portion 20a. They are arranged at predetermined intervals. The cover-side magnet member 13 and the movable-side magnet member 24 are set so that magnetic forces repulsive to each other are generated. As shown in FIG. 1, when the movable plate 20 is moved rearward and retracted with respect to the cover 10, the movable-side magnet member 24 is arranged rearward with respect to the cover-side magnet member 13. When the movable plate 20 moves forward, the movable-side magnet member 24 approaches the cover-side magnet member 13 to generate a repelling force. Therefore, the movement range in which the cover-side magnet member 13 can be opposed is a movement range that includes the range in which the movable-side magnet member 24 is affected by the magnetic force described above.

The front plate-like portion 20b is formed to have substantially the same width as the holding portion 10b, and the length in the direction in which the roll paper P is pulled out is set shorter than the length of the holding portion 10b. Therefore, the movable plate 20 can be set in a state where it is accommodated on the lower surface side of the holding portion 10b and is entirely covered.

A narrow ridge 20c protruding upward is formed on the upper side of the front edge of the front plate-shaped portion 20b. The contact of the protrusion 20c prevents the movable plate 20 from being pulled in any further.

A pair of rolling members 22 that come into contact with the peripheral surface of the roll paper P are attached to the lower surface of the front portion of the front plate-like portion 20b. The rolling member 22 rolls on the surface of the roll paper P when the movable plate 20 moves on the peripheral surface of the roll paper P, leaving a trace along the pull-out direction, thereby moving the roll paper end P1. Deform to warp. The edge P1 of the roll paper can be lifted from the peripheral surface of the roll paper P by deformation, making it easier to pick up.

FIG. 3 is an explanatory diagram showing an example of a rolling member. 3(a) is a partially enlarged perspective view of the front plate-like portion 20b as seen from below, and FIG. 3(b) is a partially enlarged view of the rolling member 22 as seen from below. In this example, the rolling member 22 is mounted in an accommodation hole formed in the lower surface of the front plate-like portion 20b. The rolling member 22 is formed in a shape similar to an abacus ball in which a pair of cones are joined at their bottom surfaces. It has become. Both side portions 22b are formed in a conical shape and their tips are rotatably supported. The rotation axis O of the rolling member 22 is set in a direction slightly inclined from a direction orthogonal to the pull-out direction Q of the roll paper P so that the contact surface is deviated from the pull-out direction by an angle θ. It's becoming Therefore, when the roll paper P is pulled out, the rolling member 22 rolls on the peripheral surface while the contact surface of the central portion 22a shifts laterally. As a whole, the roll paper edge P1 is deformed so as to warp.

The rolling member may have a shape other than the piece-like shape, and is not particularly limited. For example, it may be formed in a gear-like shape and deformed so as to wind up the roll paper P by rolling to warp it.

FIG. 4 is a side view showing a state in which the roll paper end portion P1 is pulled out, and FIG. 5 is a perspective view showing the state in which the roll paper end portion P1 is pulled out from diagonally above.

Since the movable plate 20 is placed on the peripheral surface of the roll paper P and is connected to the cover 10 by the tension spring 14, it follows the pull-out operation of the roll paper end P1. The tension spring 14 expands and the movable plate 20 is pulled out. The front side plate-like portion 20b of the movable plate 20 covered with the holding portion 10b of the cover body 10 is pulled out so as to be exposed to the front side, and the ridge portion 10c formed at the tip of the holding portion 10b becomes the movable plate. By entering and engaging with the gap between the rear side plate-like portion 20a and the front side plate-like portion 20b of 20, the pull-out operation of the front side plate-like portion 20b is stopped. Therefore, the front side plate-like portion 20b is set to be pulled out by the length L in the pull-out direction. When the roll paper end P1 is further pulled out after the front plate-shaped portion 20b is pulled out, the rolling member 22 rolls and the roll paper end P1 can be smoothly pulled out to a desired length.

When the front plate-like portion 20b is pulled out, the movable-side magnet member 24 is moved forward of the cover-side magnet member 13, and the repulsive force of the movable-side magnet member 24 against the cover-side magnet member 13 is applied to the tension spring 14. resistance to the biasing force of Therefore, the front plate-like portion 20b is gently pulled back by the tension spring 14, and the roll paper P can be stably cut after the front plate-like portion 20b is pulled out.

A belt-like trace left by the rolling member 22 rolling while slipping laterally remains on the pulled out roll paper P, and the roll paper end P1 can be deformed so as to be lifted from the roll paper P.例文帳に追加

The cutting member 30 is provided over the entire width of the front end of the front plate-shaped portion 20b, and in this example, has a large number of serrated cutting edges. With the roll paper end P1 pulled out by a desired length, the roll paper end P1 is pulled up and brought into contact with the cutting member 30, so that the cutting edge cuts through the roll paper. At that time, a force is applied to the cutting member 30 in a lifting direction. The roll paper can be cut smoothly without the 30 being pulled up.

6A and 6B are explanatory diagrams relating to the process of cutting the roll paper P. FIG. FIG. 6 shows a perspective view and a side view of the roll paper holder in each cutting process (a) to (d).

Before cutting, as shown in FIG. 6A, the front plate-like portion 20b of the movable plate 20 is pulled back by the tension spring 14 and housed under the holding portion 10b of the cover 10. It is placed on the peripheral surface of the roll paper P. The roll paper end P1 is provided at the leading end of the front plate-shaped portion 20b and is pulled forward of the cutting member 30 by a predetermined length. The protrusion 20c formed at the tip of the front plate-like portion 20b contacts the protrusion 10c formed at the tip of the holding portion 10b, so that the front plate-like portion 20b is not pulled any further.

When the roll paper end P1 is grasped and pulled out, as shown in FIG. being pulled out. The movable plate 20 is moved forward from the accommodation position below the holding portion 10b of the cover body 10 to be exposed, and is positioned at the tip of the holding portion 10b between the rear plate-like portion 20a and the front plate-like portion 20b. The movement to the front side comes to stop because the formed protrusion part 10c engages. When the roll paper end portion P1 is further pulled out, the rolling member 22 provided on the lower side of the front plate-like portion 20b rolls, and rolling traces are produced on the roll paper due to lateral displacement.

When the front plate-like portion 20b is pulled out, the movable-side magnet member 24 is arranged on the front side of the cover-side magnet member 13, so that the pull-back action of the tension spring 14 becomes gentle, and the roll paper end portion P1 is pushed back. The cutting operation by the cutting member 30 can be stably performed by pulling it up.

After the roll paper P is cut, as shown in FIG. 6C, the next roll paper edge P1 is positioned below the cutting member 30 with the front side plate-shaped portion 20b pulled out. becomes. Thereafter, as shown in FIG. 6(d), the front plate-like portion 20b moves so as to be pulled under the holding portion 10b of the cover body 10 by the tensile force of the tension spring 14, and at that time the rolling members 22 rolls on the surface of the roll paper end P1.

Then, the rolling motion causes a rolling trace due to the lateral shift, and the roll paper end portion P1 is deformed so as to be lifted. The front plate-like portion 20b is accommodated under the holding portion 10b, and the roll paper end portion P1 is exposed by a predetermined length. Therefore, when the next roll paper end P1 is pulled out, it becomes easier to grasp the roll paper end P1, and the pullout operation can be performed accurately.

FIG. 7 is an explanatory diagram of the process of cutting the roll paper P and using it. FIG. 7 shows a perspective view and a side view of the roll paper holder in each use process (a) to (d).

7(a) and 7(b) show a state in which about half of the roll paper P is used. As the roll paper P is used, the outer diameter gradually decreases. It gradually moves downward according to the diameter. Therefore, as the holding portion 10b moves downward, the base portion 10a and the holding portion 10b of the cover body are deformed such that the connection portion is bent, and the holding portion 10b is arranged along the outer diameter of the roll paper P. state is maintained. Also, the movable plate 20 is deformed so that the connecting portion of the rear plate-like portion 20a and the front plate-like portion 20b is bent in accordance with the downward movement of the front plate-like portion 20b, and the front plate-like portion 20b is bent. The state of being arranged along the outer diameter of the roll paper P is maintained.

Therefore, as shown in FIG. 7B, the front side plate-like portion 20b is smoothly pulled out following the operation of pulling out the roll paper end portion P1, and the stable cutting operation can be continued.

7(c) and 7(d) show a state in which the roll paper P is used and there is little left. When the remaining amount of roll paper P is small, the outer diameter of the roll paper P becomes small. It moves further downward according to the outer diameter. Since the front plate-like portion 20b is bent at the connection portion with respect to the rear plate-like portion 20a, the state in which it is arranged along the outer diameter of the roll paper P is maintained. As for the holding portion 10b, the connection portion with the base portion 10a is bent, and the state in which the holding portion 10b is arranged along the outer diameter of the roll paper P is maintained.

Therefore, as shown in FIG. 7D, even when the outer diameter of the roll paper P becomes small, the front side plate-like portion 20b is smoothly pulled out following the pull-out operation of the roll paper end portion P1. The same cutting operation as in the case of a large outer diameter can be continued.

Therefore, even when the roll paper P is cut and used and the outer diameter changes, the cover body 10 and the movable plate body 20 are deformed corresponding to the change in the outer diameter, and smooth cutting operation can be continued.

DESCRIPTION OF SYMBOLS 1... Roll paper holder, 2... Mounting bracket, 3... Paper receiving bracket, 4... Paper bearing body, 5... Rotation support member, 6... Clutch member, 10... Cover body 10a Base portion 10b Holding portion 10c Ridge portion 11 Axial support member 12 Connecting member 13 Cover side magnet member 14 Tension spring 20 Movable plate 20a Rear plate-like portion 20b Front plate-like portion 20c Ridge portion 21 Sinking prevention sheet 22. ... Rolling member, 23 ... Engagement part, 24 ... Movable side magnet member, 25 ... Connection part, 30 ... Cutting member

Claims (4)

A supporting body that supports the roll paper so as to be rotatable in the circumferential direction, a cover body that is arranged to cover the roll paper from above and is rotatably attached, and a lower surface side of the cover body that stretches and contracts. a movable plate mounted on the peripheral surface of the roll paper so as to be movable along the pull-out direction of the roll paper by being attached via an elastic member; A cutting member attached to the front edge, a cover-side magnet member attached to the lower surface of the cover body, and the cover-side magnet member disposed on the upper surface of the movable plate within a moving range capable of facing the cover-side magnet member. A roll paper holder comprising a movable side magnet member attached so as to generate a magnetic force repulsive to the side magnet member. 2. The roll paper holder according to claim 1, wherein a rolling member that contacts the peripheral surface of the roll paper is rotatably attached to the lower surface of the movable plate. 3. The cover member comprises a base portion rotatably attached, and a holding portion that holds the movable plate on the lower surface side and is pivotally supported on the front side of the base portion so as to be swingable. 3. The roll paper holder according to 1 or 2. The movable plate has a rear plate-like portion to which the stretchable elastic member is attached, a front plate-like portion to which the cutting member is attached to a front edge, and a front plate-like portion which is attached to the front side of the rear plate-like portion. 4. The roll paper holder according to any one of claims 1 to 3, further comprising a connecting portion swingably connected to the roll paper holder.

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