JP2728165B2 - Automatic sheet paper feeder - Google Patents

Description

The present invention relates to an automatic sheet paper feeding apparatus.

(B) Conventional technology Conventionally, as a device for setting sheet paper on a toilet seat in consideration of hygiene, there is a toilet seat cover supply device described in Japanese Utility Model Laid-Open No. 60-155399.

The device is shaped and shaped to cover the upper surface of the toilet seat, and is wound up or folded and accommodates a continuous sheet of paper.
A sheet-shaped paper holder configured to continuously feed the same sheet, and a feed roller for sending a predetermined length of the sheet to the front near the upper surface of the toilet seat on the sheet feeding side of the holder. And a cutting section for sending out the sheet having a cutting blade for cutting a trailing end of the sheet having a predetermined length sent out.

(C) Problems to be Solved by the Invention However, in such a conventional apparatus, a mechanism for fixing the sheet paper being cut is not provided, and when the paper is cut, the paper being cut is shifted laterally. ,
There is a drawback that cutting cannot be performed accurately, the cutting line is oblique or bent, and in severe cases, the uncut portion remains. There was a drawback of triggering.

(D) Means for Solving the Problems The present invention relates to a toilet seat body which is used on a toilet seat body disposed on a toilet without direct contact with a human body so that the toilet can be used. An automatic sheet paper feeder provided with a cutting mechanism for cutting a sheet paper roll fed out so as to cover the top of the sheet paper for each use, and a cutting area of the sheet paper roll cut by the cutting mechanism. The sheet paper automatic feeder is characterized in that a front and rear clamp mechanism is disposed across a cutting locus of a cutting blade of a cutting mechanism so that a force in a plane direction coinciding with the feeding of the sheet paper roll is applied at the time of cutting. It is related.

(E) Function / Effect According to the present invention, before cutting the trailing end of the fed sheet paper, both sides of the cutting line are clamped by the front-rear clamping mechanism over the entire length of the cutting line, and the cut portion of the sheet paper is cut. The sheet paper between the front and rear clamp mechanisms is completely fixed, and then the sheet blade is cut with a cutting blade.Therefore, tension is applied in the plane direction that matches the feeding of the sheet paper roll during cutting, and the sheet paper being cut may move. Absent. Therefore, accurate cutting along the traveling of the cutting blade is performed, and the cutting line serving as the next feeding start end does not shift laterally, so that the next feeding is performed accurately, and the entanglement of the sheet paper can be prevented.

(F) Embodiment Hereinafter, the present invention will be described in detail based on an embodiment shown in the accompanying drawings.

FIG. 1 shows the overall configuration of a toilet apparatus (B) having an automatic sheet paper supply toilet seat (A) as an automatic sheet paper supply apparatus according to the present invention. A) is placed on a flush toilet (10) constituting a toilet device (B).

With reference to FIGS. 2 to 5, the configuration of the sheet paper automatic feeding toilet seat (A) will be described in detail.

As shown, toilet seat with automatic supply of sheet paper (A)
The toilet seat body (11) is mounted on the flush toilet (10) so that it can be opened and closed, and the toilet seat (10) is fixedly placed above the rear of the flush toilet (10). (12) and a functional part (13) pivotally connected so as to be vertically rotatable.

As shown in FIGS. 2 to 5, the functional part (13) is attached to the rear part of the flush toilet (10), and the left and right sides of the rectangular plate are directed forward of the toilet seat body (11) in plan view. A flat and substantially U-shaped mounting substrate (20) extended and a sheet paper feeding mechanism (C), a sheet paper cutting mechanism (D), and a sheet paper roll mounted on the mounting substrate (20) And a control unit (F) and an operation unit (G).

First, the configuration of the sheet paper feeding mechanism (C) and the sheet paper cutting mechanism (D) will be described. As is clear from FIGS. 2 and 3, the mounting board (20)
Has upright rotating shaft support plates (21) and (22) at both ends thereof, and a plurality of rotating shafts are rotatably and horizontally supported between the supporting plates (21) and (22). .

That is, reference numeral (23) denotes a sheet paper pay-out shaft extending between upper front ends of the support plates (21) and (22), and the gear mechanism (23a)
And a plurality of feeding rollers (24) are attached to the feeding shaft (23) at predetermined intervals in the axial direction.

And the feed roller (24) is the same roller (24)
Cooperates with a pressing roller (71) which is mounted on the upper side and rotates in the opposite direction by the meshing of the gears (24a) (24b), to press and pinch the drawing end of the sheet paper (P). The sheet paper (P) can be fed out from the sheet paper roll storage section (E) onto the toilet seat body (11) and supplied.

In addition, since a large number of feeding rollers (24) are arranged at predetermined intervals in the axial direction, sheet paper (P)
Can be fed out at the same speed and with a uniform pressing force over the entire width thereof, and the occurrence of kinks in the sheet paper (P) is effectively prevented.

In FIGS. 3 to 5, reference numeral (25) denotes a cutting blade guide rail having a substantially U-shaped cross section cross-sectioned between the front ends of the rotating shaft support plates (21) and (22). In the opening,
Contains three guide rollers (27a) (27b) (27c) supported on the front of the cutting blade carrier (27), and each roller (27a) (27b) (27c) is arranged in inverted mountain shape Being
Of the three rollers (27a) (27b) (27c), the central roller (27b) rolls on the inner lower surface of the opening, and the two rollers (27a) (27c) on the left and right sides roll on the inner upper surface. Thus, the cutting blade carrier (27) is smoothly moved along the cutting blade guide rail (25) without play.

The cutting blade carrier (27) is provided with a cutting blade mounting portion (27d) having a downward opening on the lower surface thereof, so that a rotary cutting blade (28) is provided.
Is supported.

The cutting blade (28) has a disk-shaped blade (28a) having a sharp blade formed on the outer periphery, and the blade (28a) is provided on both side surfaces of the blade (28a).
Smaller diameter than a) but thicker blade support disk (28b)
(28b) is mounted so that the axes thereof are aligned, and is rotatably supported by the cutting blade carrier (27) about a shaft (28c) inserted through the coaxial center position.

A pulley (29) pivotally supported on the left and right ends of the sheet paper cutting mechanism (D) is provided on the rear surface of the cutting blade carrier (27).
An endless toothed belt (26) suspended between (29) is fixed, and one pulley (29) is linked to a forward / reverse rotatable cutting motor (30) via a gear mechanism (29a). In connection, the cutting blade (28) is reciprocated left and right along the guide rail (25).

A sheet paper roll storage section (E) is provided above the sheet paper feeding mechanism section (C) and the cutting mechanism section (D), and is integrated with the left and right upper surfaces of the cover casing (60). In the space formed between the left and right side walls (65) and (66) erected at the lower part of the front end of the left and right side walls (65) and (66), as shown by the chain line in FIG. A sheet paper storage box (70) that can be freely opened and closed in the front direction is pivotally mounted, and the left and right side walls (70a) of the box (70)
The mounting plugs (72) and (72) projecting from the inner surface of (70a)
The sheet paper roll (R) is rotatably mounted. The mounting plugs (72) and (72) can be advanced and retracted in the axial direction of the roll (R) by utilizing the elasticity of the left and right side walls (70a) and (70a) of the box (70). Exchange of the roll (R) is facilitated.

2 and 6, an indicator (H) for displaying the remaining amount of the sheet paper roll (R) is shown, and the indicator (H) is a rotary shaft support plate (2).
1) On one of (22), a substantially L-shaped bell crank (Ha)
A sheet paper roll (R) with the end of the crank (Ha) housed in the box (70)
And the other end of the crank (Ha) is fixed to one end of a bendable tape (Hb). The tape (Hb) is suspended on rollers (Hc) and (Hd). A horizontal extension (He) is formed on the tape (Hb), a pointer (Hf) is fixed on the upper surface of the horizontal extension (He), and the other end of the tape (Hb) is spring-loaded (Hh). It is urged in the pulling direction, and the remaining amount of the sheet paper roll (R) is displayed through a transparent window (Hg) provided above the pointer (Hf).

In addition, as shown in FIG.
Is supported so as to be able to move slightly upward in parallel so that when the sheet paper storage box (70) is opened, a slight gap (1 to 1.5 mm) is formed between it and the feeding roller (24). When exchanging the sheet paper roll (R), the leading end of the same roll (R) is attached to both rollers (71) and (24).
Between them.

In addition, as shown in FIG.
A sheet paper feeding slit (75) is formed between the upper wall (60c) of the sheet paper and the lower end of the front wall (70c) of the sheet paper roll storage box (70).
A sheet paper feeding path (76) is formed backward from 5).

Accordingly, as shown in FIG. 4, the sheet paper (P) fed out from the sheet paper roll (R) in the sheet paper roll storage box (70) is once bent outward by the pressing roller (71), and the sheet is then folded. After returning the curling of the paper roll (R), it passes between the holding roller (71) and the feeding roller (24), and then is fed out onto the toilet seat body (11) through the sheet paper feeding slit (75). become.

In addition, before and after the left and right reciprocating operation locus of the cutting blade (28),
The front and rear clamp mechanisms (90) and (91) for accurately cutting the sheet paper (P) are provided. The front clamp mechanism (90) is provided at the lower front end of the rotating shaft support plates (21) and (22). The base of the front pressing plate (93) is pivotally supported via a pivot (92) provided at the front end, and the front end (93a) of the pressing plate (93) is extended obliquely rearward and downward to the front end (93a). In the clamping direction, the pivot (92) is interlocked with the clamping solenoid (94) shown in FIG. 5, and when the solenoid (94) is turned on, the tip (93a) is moved in the unclamping direction. When it is OFF, the upper surface of the sheet paper (P) is pressed by the lower surface (93b) of the front end, so that the cutting paper (28) on the upper surface of the sheet paper feeding path (76) is positioned forward of the operating locus of the cutting blade (28). The paper (P) is clamped between the ridge (95) and the upper surface of the paper (P). .

Further, the leading edge of the front pressing plate (93) is bent obliquely rearward and upward to serve as a guide when the sheet paper (P) is fed.

As described above, since the operation of the front pressing plate (93) is operated by the solenoid for clamping (94), only the front pressing plate (93) is operated alone and the slit (75) ) Can be closed to prevent the splashing during the flushing of the flush toilet (A) from entering the inside.

The rear pressing plate (96) pivotally supports the proximal end of the pressing plate (96) via a pivot (97) provided diagonally forward and downward of the feeding roller (24), and extends the distal end diagonally forward and downward. The sheet paper (P) is clamped between the lower surface (97a) of the leading end and the upper surface of the bottom plate (77) of the feeding path.

A groove (78) for passing the blade (28a) of the cutting blade (28) is formed on the upper surface of the feeding path bottom plate (77) behind the ridge (95). (P)
Is cut laterally in the middle of the front and rear pressing plates (93) and (96).

As shown in FIG. 4, the pressing operation of the rear pressing plate (96) is performed on the upper surface (96b) of the front end of the rear pressing plate (96) by the blade supporting disk (28b) on the rear side of the cutting blade (28). Roll the same disk (28b)
The pressing is performed by pressing the tip of the rear pressing plate (96) downward, and when the pressing operation is not performed, that is, at the time of the feeding operation of the sheet paper (P), the cutting blade (28) is set to the cutting blade (28). Position the outermost end of the guide rail (25) at the home position, and remove the blade support disk (28b) from the top surface (96b) of the rear end of the rear pressing plate (96) so as not to press the front end. It has been done.

Therefore, the clamp operation of the rear pressing plate (96) starts in conjunction with the operation of the cutting blade (28) and before the operation of the cutting blade (28), and releases the clamp after the cutting operation is completed. Will be.

As described above, in the present embodiment, the front and rear clamp mechanisms (90) and (91) are provided with the cutting locus of the cutting blade (28) interposed therebetween, so that when the sheet paper (P) is cut, the sheet paper roll (R) is cut. The force in the plane direction that matches the unwinding acts as tension, and the sheet paper being cut (P)
Can be cut accurately without moving.

Next, the sheet paper (P) will be described. As shown in FIGS. 4 and 7, the sheet paper (P) forms a part of the sheet paper roll (R), and is cut and used. Is what you do.

Sheet paper (P) to sheet paper roll (R)
The reason is that the sheet paper (P) for a large number of people is compactly stored in the sheet paper storage box (70) provided behind the toilet seat body (11). This is in order to be able to automatically and accurately feed out to the upper surface of 11).

Also, as shown in FIGS. 2 and 7, the sheet paper (P) is formed at a predetermined interval in the center thereof at predetermined intervals in the longitudinal direction, and has a shape adapted to the inner shape of the toilet seat body (11). A cutout perforation (80) is provided, and an opening communicating with the inside of the flush toilet (10) can be provided along the perforation (80).

However, the perforation (80) is not completely annular,
Since a perforation-free part (81) is formed between both ends of the rear part, when the perforation (80) is cut off, the cut-out central part hangs down in the flush toilet (10), and the lower end of the cut-out part collects water. Will be used.

Further, the sheet paper (P) is not completely perforated, and the non-perforated portion (81) and the perforated perforation (80) are provided. When supplying P) onto the toilet seat body (11),
This is because it is almost impossible to bend or form the sheet paper roll (R). That is, the sheet paper (P) provided with the perforations (80) and the non-perforated portions (81) has sufficient stiffness, and both automatic supply and roll processing can be easily performed.

Further, the perforations (80) of the sheet paper (P) can prevent the sheet paper (P) from being caught in the feeding roller (24) and the pressing roller (71) as much as possible.

Further, the perforation (80) for cutting out the sheet paper (P) can be entirely perforated in a shape adapted to the inner shape of the toilet seat body (11). , And others can be cut.

Further, as shown in FIGS. 2 and 7, the sheet paper (P) is provided between the non-perforated portion (81) and the leading end of the perforated line (80) at regular intervals on the longitudinal side edge. And a position detecting sensor (83) is provided on the side of the cover casing (60) corresponding to the through hole (82).

The position detecting sensor (83) detects the through hole (82) when the sheet paper (P) is fed out from the sheet paper roll (R) by a predetermined length, and detects the sheet paper feeding mechanism ( By stopping the operation of C), the sheet paper (P) can be supplied and positioned accurately to the toilet seat body (11).

Instead of the through hole (82), a desired coloring mark may be provided on the sheet paper (P), and the attachment position of the through hole (82) and the like may be set at any position.

Further, the supply and positioning of the sheet paper (P) are performed by counting the number of rotations of the detection motor (23b) with a counter without using the position detection sensor (83), and based on the count value. (F) can also be operated to perform this.

In FIG. 2, reference numeral (84) denotes a reflection type infrared sensor provided at a front end of one end of the mounting base (20). As shown in the figure, a lateral position of a pivot (12) that pivotally supports the toilet seat body (11) is shown. The detection direction (84a) is directed slightly upward from the main body (11) substantially obliquely inward toward the front, that is, slightly toward the center of the toilet seat main body (11).

With this configuration, the feeding of the sheet paper (P) is not preferable by one reflection type infrared sensor (84), that is, the seating of the user, the self-standing of the toilet seat body (11), the sheet paper storage box (70). ) Can be detected.

Next, the operation unit (G) will be described. As is apparent from FIG. 2, the operation unit (G) is provided at a position located above the control unit (F) in the cover casing (60). The operation unit (G) is provided on an upper surface of an operation unit panel (59) arranged inside the cover casing (60).
Power button lamp (62) consisting of push button for sheet paper operation (61), light emitting diode, etc., paper supply lamp (63) with a warning function when an error such as paper jam or paper replenishment occurs, paper trouble lamp (64) and the like.

Note that a buzzer or the like can be attached instead of the paper supply lamp (63) or the like.

The control unit (F) includes a CPU (101) as shown in FIG.
, A sheet paper feed push button (61), a position detection sensor (83), and a reflection type infrared sensor (84) are connected via an input interface (102), and a feed motor is output via an output interface (103). (23b), Cutting motor (30), Paper supply lamp (63), Paper trouble lamp (64)
Are connected.

The operation of the sheet paper automatic supply toilet seat (A) having the above configuration will be described with reference to the flowcharts of FIGS.

First, as a preparation, a sheet paper roll (R) is attached to the sheet paper roll storage box (70), and the leading end of the roll (R) is inserted into a gap between the feeding roller (24) and the holding roller (71). , Same box (7
When (0) is set to the home position and the power is turned on, the device is power-on reset, and each unit is reset to the initial state (111).

After that, when the sheet paper feeding push button (61) is pressed (112), the clamp solenoid (94) is turned on to open the sheet paper feeding slit (75), and then,
The feeding motor (23b) is started (113), and the sheet paper (P) is drawn out (114) until the position detecting sensor (83) detects the detecting through hole (82).

Next, the clamp solenoid (94) is turned off (11).
5) Clamp the position in front of the cutting line of the sheet paper (P).

Next, the cutting motor (30) is rotated to rotate the cutting blade (2).
8) reciprocate to cut the sheet paper (P),
Return to the home position (116).

During the sheet paper cutting operation, the front of the cutting line of the sheet paper (P) is clamped by the front pressing plate (93), and the rear is the blade supporting disk (28b) of the cutting blade (28) by the rear pressing plate. (96) is pressed downward and clamped.

In this way, the toilet seat (A) becomes usable, and when the user sits down, the reflective infrared sensor (84)
However, when the seated human body is detected (117), and the user departs after stool and the detection output of the sensor (84) is cut off (118), the clamp solenoid (94) is turned on (119). ) Unclamp the sheet paper (P) and let the paper (P) flow out of the toilet with the water flow at the time of washing.
At this time, it is detected that the output of the position detection sensor (83) is turned on by the movement of the sheet paper (P) (12).
0), turn off the clamp solenoid (94) (121),
With the front press plate (93), the slit (7
Close 5) to prevent splashes from entering the function part (13).

By the above series of operations, the toilet seat (A) returns to the reusable initial state.

During the above operation, when the toilet seat body (11) is standing up, the sheet paper roll storage box (70) is opened, and when the user is sitting, the reflective infrared sensor (84) is turned off. Since the above three states are detected, the operation of the feeding motor (23b) is interlocked with the output of the sensor (84), and the feeding push button (6
Pressing 1) prevents the feeding operation of the sheet paper (P) from being performed. If there is no paper jam or sheet paper roll (R), the paper trouble lamp (64) or the paper supply lamp (63) of the operation unit (G) lights to call attention.

An embodiment of the present invention is configured as described above,
It has the following effects.

Prior to cutting the paper, the fed sheet paper is clamped over the entire length on both sides of the cutting line, so that a planar force can be applied to the cutting area of the sheet paper roll (R), and Since the cutting is performed accurately and the cutting line, which is the starting point of the next feeding, does not shift laterally, the paper is prevented from being entangled, and the next feeding can be performed smoothly.

Further, the front pressing plate (9) is urged in the clamping direction, and the pressing plate (9) closes the sheet paper feeding slit (75) at the clamping position, so that the clamping solenoid (94) is used. The slit (75) is closed when the flush toilet (10) is not energized and the sheet paper automatic supply toilet seat (A) is not used, so that the splash and dust of the flush are removed from the functional casing (I). It can be prevented from entering the inside.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a toilet apparatus provided with a sheet paper automatic supply toilet seat according to the present invention. FIG. 2 is a partially cutaway plan view of the toilet seat. FIG. 3 is a cutaway front view of the same part. FIG. 4 is a sectional view taken along the line II of FIG. FIG. 5 is a sectional view taken along the line II-II of FIG. FIG. 6 is a sectional view taken along the line III-III of FIG. FIG. 7 is a diagram showing the use state of sheet paper. FIG. 8 is a block diagram showing a configuration of a control unit. 9A and 9B are flowcharts of the control operation. (C): Sheet paper feeding mechanism section (D): Sheet paper cutting mechanism section (F): Control section (I): Functional section casing (P): Sheet paper (R): Sheet paper roll (11): Toilet seat body (28): Cutting blade (90): Front clamp mechanism (91): Rear clamp mechanism

Claims (1)

(57) [Claims] 1. The toilet seat body (11) is covered on a toilet seat body (11) provided on the toilet bowl so that a human body can sit on the toilet seat body without direct contact and use the toilet bowl. Sheet feeder provided with a cutting mechanism (D) for cutting the sheet paper roll (R) fed out as described above for each use, wherein the sheet paper cut by the cutting mechanism (D) The cutting area of the cutting blade (28) of the cutting mechanism (D) is moved back and forth so that a plane force corresponding to the feeding of the sheet paper roll (R) is applied to the cutting area of the roll (R) at the time of cutting. An automatic sheet paper feeding device comprising a clamp mechanism (90) (91).