JP2001152529A - Flush toilet stool device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flush toilet stool device manually operable and capable of driving a trap section at a lag after the feed water timing for smooth washing in a manual operation. SOLUTION: The trap section 3 is arranged on a drain path 2 extending from a bowl section 1 in this flush toilet stool 4, and the rear end of the trap section 3 can be vertically inverted and rotated. The trap section 3 is stored in a case main body 6 communicating with an external drain pipe 5, and this flush toile stool device is provided with a water feeding means 7 feeding water to the bowl section 1 when water is discharge from the trap section 3. A link plate is integrally provided on a rotary shaft rotatively driven to vertically invert the rear end of the trap section 3. An operation lever vertically rocked manually and the link plate are connected via a linkage spring made of a tension spring so that the link plate is rotatively driven by the pushing action of the operation lever. A return spring exciting in the returning direction opposite to the driving direction of the link plate by the pushing action of the operation lever is provided on the link plate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush toilet device capable of switching between drainage and sealing by inverting and rotating a trap portion.

[0002]

2. Description of the Related Art Conventionally, in a flush toilet in which a trap portion is disposed in a drainage passage extending from a bowl portion, a rear end of the trap portion, which is a free end, is vertically reversible, and this trap portion communicates with an external drain pipe. An electric trap driving means for inverting the rear end of the trap portion, which is a free end, to be turned upside down; a water supply means for supplying water to the bowl portion when draining from the trap portion; When is turned on, the water supply means is turned on to supply water to the bowl, the electric trap drive means is driven, and the rear end, which is the free end of the trap portion, rotates downward to drain water, and thereafter, It is known that the trap driving means is driven to rotate the rear end, which is the free end of the trap portion, upward, and thereafter, water is stored in the bowl portion so that the water supply means is turned off.

[0003]

However, in the above conventional example, the trap driving means is an electric one that drives a motor, and there is a problem that a power source is required in the toilet.
It is also necessary to consider power outages. When installing in a humid environment, it is necessary to take measures such as a moisture-proof structure for electric components and the like.

In the case of manually operating without using electricity, it is conceivable to rotate the trap portion by rotating the lever or the like. In this case, the lever or the like is manually operated. Then, the trap part immediately rotates, and in the case of a structure in which water is supplied from the water supply means simultaneously with the rotation of the lever or the like, the water is drained from the trap part until sufficient water is supplied to the bowl part, and washing is not sufficiently performed. There is a problem (in the case of electric operation, it is easy to delay the timing of driving the trap unit with respect to the timing of supplying water, but it is difficult in the case of manual operation).

The present invention has been made in view of the above points, and can be manually operated, does not require a power source, does not need to consider a power failure, and delays the trap section manually even at the time of water supply. It is an object of the present invention to provide a flush toilet device that can be driven and that can be washed smoothly.

[0006]

According to a first aspect of the present invention, there is provided a flush toilet apparatus comprising: a flush toilet having a trap section disposed in a drainage passage extending from a bowl section; The trap portion 3 is rotatable up and down at its rear end, which is a free end. The trap portion 3 is housed in a case body 6 communicating with the external drain pipe 5, and when the trap portion 3 is drained, the trap portion 3 In a flush toilet device provided with a water supply means 7 for supplying water, a link plate 9 is integrally provided on a rotating shaft 8 that is driven to rotate in a vertical direction so as to invert a rear end, which is a free end of the trap portion 3, in a vertical direction. The link between the operating lever 10 and the link plate 9 that are rocked by the operation lever 10 is connected via a connecting spring 11 composed of a tension spring so that the link plate 9 is rotated by the pressing operation of the operating lever 10. With link board Characterized in that formed by attached to the link plate 9 the spring 13 back biases to return the direction opposite to driving. When the operating lever 10 is pushed, the operating lever 10 is pulled through the connecting spring 11 to
Is rotated so that the rotating shaft 8 rotates together with the link plate 9 so that the rear end of the trap portion 3 is lowered, and is drained together with the water supplied to the bowl portion 1.
When 0 is released, the link plate 9 is driven by the return spring 13 in the opposite direction, and is returned so that the rear end of the trap portion 3 is raised. As a result, the trap unit 3 can be turned upside down by a manual operation, so that the toilet does not require a power source and does not need to consider a power failure as in the conventional case.
Further, it is not necessary to take measures such as a moisture-proof structure for electric components and the like. A link spring 11 composed of a tension spring is used to link the operation lever 10 and the link plate 9.
, The link plate 9 is driven with a delay to the operation of the operation lever 10, and the trap unit 3 is driven. For this reason, if water is supplied to the bowl portion 1 from the water supply means 7 simultaneously with the operation of the operation lever 10, the water is supplied to the bowl portion 1 and then the rear end of the trap portion 3 is driven downward to be drained and manually operated. It can be washed smoothly.

[0007] The flush toilet apparatus of claim 2 of the present invention comprises:
In the first aspect, the operation lever 10 and the water supply means 7 are linked so that the water supply button 18 is pressed and water is supplied from the water supply means 7 when the operation lever 10 is pressed. When the operation lever 10 for driving the trap unit 3 is operated, the water supply button 18 is also pressed to supply water, and the water supply operation can be automatically performed in conjunction with the operation lever 10.

[0008] The flush toilet apparatus of claim 3 of the present invention comprises:
3. The damper device 15 according to claim 1 or 2, wherein the damper device 15 that gives resistance to the rotation of the link plate 9 when the rear end, which is the free end of the trap portion 3, starts moving downward from the upper limit and approaches the lower limit. 9 is provided. When the rear end of the trap portion 3 starts to move downward from the upper limit, the link plate 9
Rotates slowly and the rear end of the trap portion 3 descends slowly, and can be drained after waiting until water is sufficiently supplied from the water supply means 7 to the bowl portion 1, so that washing can be sufficiently performed. Also, when the rear end of the trap unit 3 approaches the lower limit, the damper device 15
The link plate 9 is slowly rotated by the resistance given from the lower part, and the rear end of the trap part 3 descends slowly, so that the time when the rear end of the trap part 3 faces downward can be secured, and the water can be reliably drained.

A flush toilet apparatus according to a fourth aspect of the present invention comprises:
When the operation lever 10 starts to be pushed, the operation lever 1
The stopper 1 is locked to the link plate 9 to stop the rotation of the link plate 9 until just before the predetermined pushing position of 0, and is released so that the link plate 9 rotates at the predetermined pushing position.
6 is attached to the link plate 9, and the operation lever 10 and the water supply means 7 are interlocked so that the water supply button 18 is pressed at the predetermined pushing position of the operation lever 10. When the operation lever 10 is not pushed to the predetermined pushing position, the restricting stopper 16 is locked on the link plate 9 so that the link plate 9 does not rotate.
Is pushed into the predetermined position, the locking stopper 16 is released from the link plate 9 so that the trap portion 3 is driven by the link plate 9 and water is supplied from the water supply means 7. Therefore, it is possible to prevent water from being supplied or drained by a halfway operation in which the operation lever 10 is not pushed to the predetermined pushing position.

A flush toilet apparatus according to claim 5 of the present invention comprises:
In claim 4, when the operation lever 10 is pushed into a predetermined pushing position, the operation lever 10 is locked by stopping the rotation of the operation lever 10, the link plate 9 is rotated, and the trap portion 3 is inverted to the lower limit position. The operation lever 10 is characterized in that the operation lever 10 is provided with a lever stopper 17 for releasing the lock so that the operation lever 10 sometimes rotates. Operation lever 1
Operation lever 1 when 0 is pushed into the predetermined pushing position
0 is locked to the lever stopper 17 and the operation lever 10
When the link plate 9 is rotated and the rear end of the trap portion 3 is inverted to the lower limit position by rotating the link plate 9, the lever stopper 17 comes off the operation lever 10 and the operation lever 10 returns. For this reason, the operation lever 10
Even if the user releases his hand while pressing the lever 10 into the predetermined pushing position, the operation lever 10 is operated until the trap portion 3 performs the predetermined operation.
Does not return to its original state, which simplifies the operation of the operation lever 10 and ensures the operation.

[0011]

1 and 2, a flush toilet 4 is shown. A bowl portion 1 having an opening 1a at an upper portion is formed in the flush toilet 4, and a storage space portion 20 is provided inside a rear portion of the flush toilet 4, and a case is provided in the storage space portion 20. The main body 6 is installed. A mounting hole 21 is provided on one side wall of the case main body 6, and a rotatable and vertically reversible trap portion 3 is inserted and mounted in the mounting hole 21, and most of the trap portion 3 is mounted on the case main body 6. And a connecting portion 22 at the front end of the trap portion 3.
Project from the case body 6 to the outside. The connection portion 22 of the trap portion 3 is fitted and connected to a bowl discharge port 23 formed at the rear end of the bowl portion 1.

The trap portion 3 disposed in the case main body 6 is configured so that the rear end, which is the free end of the trap portion 3, can be turned upside down by a manual driving means described later. In the example shown in the figure, the trap portion 3 is formed of a soft material and has a bellows shape, and a rotating body 24 rotatably attached to the case body 6 is connected to a rear end of the trap portion 3. The rotating body 24 is connected to the rotating shaft 8 so as to be driven to rotate by the rotating shaft 8. Therefore, when the rotating shaft 8 is rotated in one direction, the rear end of the trap portion 3 as a free end rotates so as to face downward, and when rotated in the opposite direction, the rear end of the trap portion 3 as a free end faces upward. It turns to become.

A discharge hole 25 is provided in the lower part of the case body 6, and the external drain pipe 5 is connected to the discharge hole 25.
Accordingly, the drain passage 2 extending from the bowl portion 1 is constituted by the bowl discharge port 23 of the bowl portion 1, the trap portion 3, the case body 6, and the external drain pipe 5.

A water supply pipe 7a is disposed on the rear upper surface of the flush toilet 4 as water supply means 7 for supplying water to the bowl portion 1.
The water supply pipe 7a has a leading end communicating with a rim portion for water passage formed at an upper end opening edge of the bowl portion 1 of the flush toilet 4, and the other end is connected to a water pipe. A water supply valve 26 such as a flush valve for opening and closing the water supply is arranged in the middle of the water supply line 7a.

As shown in FIGS. 5 and 6, the trap portion 3 is formed of a soft material and has a bellows shape. A cylindrical connecting portion 22 is formed in which the width of the top of the front end of the bellows-shaped trap portion 3 in which the peak portions 3a and the valley portions 3b are alternately continuous in the axial direction is lengthened in the axial direction. The valley portion 3b immediately behind the connecting portion 22 has a slightly larger valley bottom width than the valley bottoms of the other valley portions 3b.
It has become. A mounting flange 27 is provided on the outer periphery of the ridge 3a immediately behind the wide valley 3b ', and one or more positioning holes 28a are formed in the mounting flange 27.
And an insertion hole 28b.

A peak 3 at the rear end of the bellows-shaped trap 3
The connecting cylinder 29 is formed by increasing the width of the top of the connecting cylinder 29 in the axial direction, and the outer peripheral surface of the connecting cylinder 29 has an annular recess 29a.
In addition, a convex or concave ring positioning portion 29b is provided on the connection cylindrical portion 29, and a convex or concave rotating body positioning portion 29c is further provided on the connection cylindrical portion 29.

The trap portion 3 is inserted into a mounting hole 21 provided on one side wall of the case main body 6, and a positioning protrusion 28 provided around the mounting hole 21 of the case main body 6 is provided with a positioning hole 28.
a is fitted, and the mounting flange 27 of the trap portion 3 is positioned with respect to the case main body 6.
The screw holes provided around the mounting holes 21 are screwed and mounted.

The connecting cylinder 2 at the rear end of the bellows-shaped trap 3
The front half of a ring 30 made of a hard material is fitted in 9. The rear end of the ring 30 is cut away from the center on both sides toward the upper and lower ends so that the recess depth becomes deeper.
0a is formed so that both side edges of the ring 30 are arcuate in a side view. The ring 30 includes a concave or convex positioning portion 30b.
When the first half of the ring 30 is fitted into the connection tube 29, the positioning portion 30b is fitted into the ring positioning portion 29b, and the ring is attached to the connection tube 29 at the rear end of the bellows-shaped trap portion 3. 30 has a predetermined positional relationship. That is, the trap part 3 is
As described above, the mounting flange 27 for the
The positional relationship between the ring positioning portion 29b and the portion to be positioned 30b is set such that the notch portion 30a of the ring 30 attached to the other end of the trap portion 3 is positioned above and below in a state where the positioning portion 8a and the positioning protrusion are positioned. In the example shown in the accompanying drawings, a concave positioning portion 30b is provided at the center of both sides where the rear end of the ring 30 has a longer protruding length, so that the trap portion 3 is positioned in the case body 6. The ring positioning portion 29b is provided so as to be located at the center of both sides in a state where it is mounted as described above.

A rotary body 24 rotatably mounted on the case body 6 is mounted in an annular recess 29a on the outer peripheral surface of the connecting cylinder 29 at the rear end of the trap section 3. As shown in FIG. 6, the rotating body 24 includes a pair of rotating halves 32 having the same shape. The rotating half 32 includes a rotating arm 32a.
A rotating shaft 32b projecting laterally at one end thereof, and a semi-circular portion 32c projecting from the other end in a direction opposite to the projecting direction of the rotating shaft 32b. I have. A flange 32d is formed at the side protruding end of the rotary shaft 32b, and a shaft hole 3 having a circular cross section is formed in the rotary shaft 32b.
2e is formed. A base-side receiving portion 32f is formed on the protruding base of the semicircular portion 32c.
2f is provided with a screw hole 32g, a protruding front end of the semicircular portion 32c is provided with a front end contact portion 32h, and a front end contact portion 32h is provided with a hole 32i. The base-side receiving portion 32f and the distal-side contact portion 32h are provided with concave or convex positioning portions 32j, respectively.

The semicircular portions 3 of the pair of rotating halves 32
2c is fitted into the lower half and the upper half of the annular recess 29a, and the positioned portions 32j are fitted into the rotating body positioning portions 29c and positioned.
The contact portion 32h of the other rotating half 32 is brought into contact with the base-side receiving portion 32f of the other rotating half 32, and the tip-side contacting portion 3 of one rotating half 32 is brought into contact with the base-side receiving portion 32f of the other rotating half 32.
The pair of rotating halves 32 is attached to the rear end of the trap unit 3 by abutting the 2h and inserting the screw 33 from the hole 32i and screwing it into the screw hole 32g. In this case, by fixing the pair of rotating halves 32 with the screw 33,
The pair of semicircular portions 32c presses the connecting cylinder portion 29 at the rear end of the trap portion 3 against the hard ring 30 so that the ring 30 fitted into the connecting cylinder portion 29 does not come off. Further, the positioning portions 32j are respectively replaced with the rotating body positioning portions 29c.
The pair of rotating halves 32 is positioned and attached to the trap portion 3 by positioning the trap portion 3 in the horizontal position while the trap portion 3 is positioned and attached to the case body 6. In the case of both rotating arms 3
2a is set to be horizontal.

A mechanism for rotating the rotating body 24 to invert the rear end of the trap portion 3 up and down is constructed, for example, as shown in FIG. Rotating body 2 attached to trap unit 3
The rotating shaft 8 is connected to the rotating shaft 32b of the fourth, and a disc-shaped link plate 9 is integrally attached to the rotating shaft 8. An operation lever 10 is mounted above the link plate 9 so as to be swingable about a fulcrum 34, and the operation lever 10 is urged in a direction for returning the operation lever 10 to a pressing operation of the operation lever 10. A spring 35 is mounted. The distal end of the operating lever 10 and the link plate 9 are connected via a connecting spring 11 composed of a tension spring so that when the operating lever 10 is pushed and operated, the link plate 9 rotates. In this case,
A connecting wire 36 is connected to the connecting spring 11, and an end of the connecting spring 11 is connected to a tip of the operation lever 10,
The end of the connecting wire 36 is connected to a position eccentric to the rotation axis 8 of the link plate 9. Further, a return spring 13 is provided on the link plate 9 for urging the link plate 9 in a return direction opposite to the direction in which the link plate 9 is driven by pushing the operation lever 10. In the case of this example, one end of the return spring 13 is fixed, and a connection wire 37 connected to the other end of the return spring 13 is connected to a position eccentric to the rotation shaft 8 of the link plate 9. The link plate 9 is provided with upper and lower limit stoppers 12, and the link plate 9 is provided with an upper limit locking portion 38a and a lower limit locking portion 38b which contact the upper and lower limit stopper 12 at the upper limit and the lower limit.

FIG. 7 shows a standby state, in which the rear end of the trap portion 3 is turned upward as shown in FIG. 2 and is located at the upper limit position. At this time, the upper limit locking portion 38a is locked to the upper and lower limit stopper 12. From this state, control lever 1
8A, the link plate 9 is pulled via the connecting spring 11 and the connecting wire 36 as shown in FIG. 8 (a), and the link plate 9 is rotated against the return spring 13, and as shown in FIG. The rear end starts rotating downward. At this time, the water supply valve 26 is opened in conjunction with the operation lever 10 to open the water supply line 7a.
Water supply is started from. Then, when the operation lever 10 is pushed to the predetermined push-off position, the link plate 9 rotates as shown in FIG. 8B, and the lower limit locking portion 38b is locked to the upper and lower limit stopper 12, so that the rotation of the link plate 9 is stopped. After stopping, the trap portion 3 is inverted so that the rear end thereof faces downward, and is located at the lower limit position as shown in FIG. When the operator releases the operation lever 10 with the waste water discharged, FIG.
As shown in (c), the spring force of the return spring 35 and the connection spring 1
The operation lever 10 starts to return to the original state by the spring force of 1, and the link plate 9 rotates in the opposite direction to the above by the elasticity of the trap portion 3 and the spring force of the return spring 13 as the connecting spring 11 contracts. The rear end of the part 3 starts to rotate upward.
Then, as shown in FIG. 8D, the operating lever 10 returns to the original position by the spring force of the return spring 35 and the spring force of the linking spring 11, and the link plate 9 by the spring force of the return spring 13.
Is rotated to lock the upper and lower stoppers 12 to the upper limit locking portion 38a, and the rear end of the trap portion 3 faces upward and stops at the upper limit position. Next, the water supply valve 26 is closed to terminate the water supply, and the drainage operation is completed.

The link between the operating lever 10 and the link plate 9 is linked to the connecting spring 11 composed of a tension spring, so that the operation of the operating lever 10 is delayed and the link plate 9 is driven to drive the trap unit 3. For this purpose, the operating lever 10
If water is supplied from the water supply means 7 to the bowl portion 1 at the same time as the operation, the water is supplied to the bowl portion 1 and then the rear end of the trap portion 3 is driven downward to be drained. it can.

FIG. 9 shows another example of a mechanism for rotating the rotating body 24 to invert the rear end of the trap portion 3 up and down. The rotating shaft 8 is connected to the rotating shaft 32 b of the rotating body 24 attached to the trap portion 3, and the disk-shaped link plate 9 is integrally attached to the rotating shaft 8. Link plate 9
Above the control lever 10, the operation lever 10 is swingably mounted about a fulcrum 34, and a return spring 35 that urges the operation lever 10 in a direction to return the operation lever 10 to the pushing operation of the operation lever 10 is provided. It is attached. The distal end of the operating lever 10 and the link plate 9 are connected via a connecting spring 11 composed of a tension spring so that when the operating lever 10 is pushed and operated, the link plate 9 rotates. In the case of this example, the connecting wire 36 is connected to the connecting spring 11, the end of the connecting spring 11 is connected to the tip of the operating lever 10, and the end of the connecting wire 36 is connected to the rotating shaft 8 of the link plate 9. It is connected to a position eccentric with respect to. Further, a return spring 13 is provided on the link plate 9 for urging the link plate 9 in a return direction opposite to the direction in which the link plate 9 is driven by pushing the operation lever 10. In this case,
One end of the return spring 13 is fixed, and a connection wire 37 connected to the other end of the return spring 13 is connected to a position eccentric to the rotation shaft 8 of the link plate 9. The link plate 9 is provided with an upper limit stopper 12a and a lower limit stopper 12b. The upper limit and lower limit of the link plate 9 correspond to the upper limit stopper 12a and the lower limit stopper 12b.
a and a lower limit locking portion 38b.

The link plate 9 is rotatably mounted with a regulating stopper 16 which is detachably engaged with the lower limit engaging portion 38b.
The restricting stopper 16 mounted with an urging spring 16a for urging in the direction in which the restricting member 16 is locked is connected to the operation lever 10 by a release wire 40 for releasing the locking of the restricting stopper 16. In the vicinity of the distal end of the operation lever 10, a lever stopper 17 that removably engages with the engaging concave portion 41 at the distal end is rotatably mounted, and the lever stopper 17 is engaged with the lever stopper 17. An urging spring 17a for urging in the stopping direction is mounted. The lever stopper 17 and the link plate 9 are provided with the lever stopper 1.
7 are connected by a release wire 42 for releasing the lock.

A damper device 15 is attached to the link plate 9 to provide resistance to the rotation of the link plate 9 when the rear end, which is the free end of the trap portion 3, starts moving downward from the upper limit and approaches the lower limit. is there. This damper device 15 is shown in FIG.
3, a rotating shaft 46 protruding from the casing 45.
The gear 47 is formed with a gear 47 mounted thereon, and receives resistance when the gear 47 rotates in one direction, and does not receive resistance when rotating in the other direction. The damper device 15 has the same structure as the shock absorber disclosed in Japanese Patent Application Laid-Open No. 4-241824, and includes a casing 45 loaded with a fluid such as grease, and a body member integrated with the rotary shaft 46 provided in the casing 45. And a blade mounted on the outer periphery of the torso member so as to stand up when rotating the torso member to one side and receive the resistance of the fluid, and to fall down when rotating the torso member to receive no resistance to the fluid. I have. A notch 48 is provided between the upper limit locking portion 38a and the lower limit locking portion 38b of the link plate 9, and a portion of the notch 48 near the upper limit locking portion 38a and a portion near the lower limit locking portion 38b. Gear 4
7 are provided with rack portions 48a and 48b, respectively.

The operation lever 10 and the water supply button 18 are interlocked as shown in FIG. 12 so that when the operation lever 10 is pushed in, the water supply button 18 of the water supply valve 26 is pressed to supply water. A rotation shaft 50 that rotates integrally with the operation lever 10 protrudes from a fulcrum 34 of the operation lever 10, and a sleeve 51 is fitted on the rotation shaft 50 so as to be slidable in the longitudinal direction of the rotation shaft 50. The distal end of the sleeve 51 is opposed to the water supply button 18. A protruding pin 52 of the rotating shaft 50 is slidably engaged with a groove 53 of the sleeve 51 so that the sleeve 51 rotates integrally with the rotating shaft 50 and slides freely. The sleeve 51 is slidably and rotatably inserted through a journal bearing 54.
An inclined groove 55 is provided in the bearing 54, and the pin 56 of the sleeve 51 is slidably engaged with the groove 55. When the operating lever 10 is rotated so as to be pushed in, the sleeve 51 rotates together with the rotating shaft 50 and the pin 5
6 slides with respect to the groove 55, so that the sleeve 51 slides in the direction of the water supply button 18 and the water supply button 18 is pressed. In this manner, the water supply can be started by pressing the water supply button 18 in conjunction with the depression of the operation lever 10.

FIG. 9 shows a standby state, in which the rear end of the trap portion 3 is turned upward and is located at the upper limit position. At this time, the upper limit stopper 38a is locked to the upper limit stopper 12a, and the restricting stopper 16 is moved to the lower limit lock 38b.
It is locked to. When the operating lever 10 is pushed from this state to a predetermined pushing position, the state shown in FIG. 10A is obtained. In conjunction with the operating lever 10, the water supply button 18 is pushed, the water supply valve 26 is opened, and water supply is started. The connecting spring 11 is extended, and the operation lever 10 is locked to the lever stopper 17. Then, the locking of the restriction stopper 16 is released by the release wire 40, the link plate 9 starts rotating against the return spring 13 by the spring force of the connecting spring 11, and the rear end of the trap portion 3 rotates downward. start. At this time, the gear 47 of the damper device 15 and the rack portion 48a mesh with each other to receive the resistance of the damper device 15, and the link plate 9 rotates slowly, so that the rear end of the trap portion 3 corresponds to A1 of line A in the graph of FIG. Descend slowly like a part.

Next, the state shown in FIG.
14 and the rack portion 48a are disengaged, the rotation of the link plate 9 is accelerated, and the lower end of the trap portion 3 descends at a high speed as indicated by the line A2 of line A in the graph of FIG. You. Then, as shown in FIG. 10C, the gear 47 and the rack portion 48b mesh with each other, and the resistance causes the rotation of the link plate 9 to be decelerated to reduce the rotation of the trap portion 3 as indicated by the line A3 in the graph A of FIG. The rear end slowly descends to the lower limit, and a predetermined drainage time is secured. When the rear end of the trap portion 3 reaches the lower limit, the lower limit stopper 12b is locked to the lower limit locking portion 38b.

Next, the locking of the lever stopper 17 to the operation lever 10 is released by the release wire 42, and FIG.
As shown in (d), the operation lever 10 returns to the original state by the spring force of the connecting spring 11. Then, as shown in FIG. 10 (e), as the connecting spring 11 contracts, the elasticity of the trap portion 3 and the spring force of the return spring 13 cause the link plate 9 to rotate in the opposite direction, and the A4 portion of line A in the graph of FIG. The rear end of the trap portion 3 rotates upward as shown in FIG. At this time, even if the gear 47 meshes with the rack portions 48a and 48b, no resistance is received from the damper device 15. When the rear end of the trap portion 3 rotates to the upper limit position, the state shown in FIG. 10F is reached, the upper limit stopper 12a is locked to the upper limit locking portion 38a, and the restriction stopper 16 is locked to the lower limit locking portion 38b. After that, the water supply ends and returns to the standby state.

When the operation lever 10 is operated from the standby state shown in FIG. 11A, when the operation lever 10 does not reach the fully depressed position as shown in FIG. As shown in FIG. 11 (b), the operation lever 10 does not reach the position where it is locked by the lever stopper 17 and the release wire 40 does not reach the position where the locking of the restriction stopper 16 is released. Does not work. Of course, no water is supplied.
When the operating lever 10 is released, the lever returns to the standby position by the spring force of the connecting spring 11. By doing so, it is possible to prevent the operation by a halfway operation.

The trap section 3 operates as described above, and FIG. 14 is an explanatory view for making this state easy to understand. The line A of the graph in this figure shows the relationship between the time and the angle of the trap portion during manual operation of the present invention, the line B shows the relationship between the time and the angle of the trap portion during conventional electric operation, and the line C Shows the relationship between the opening and closing of the water supply valve for water supply and time. By the way, in the case of electric drive, the motor is driven to lower the rear end of the trap portion 3 after a certain time has elapsed from the start of water supply as shown in FIG. And hold the position for a certain period of time.
Although the control of raising the rear end can be easily performed, even in the case of the manual operation as in the present invention, in the example of the above-described embodiment, an operation close to electric power can be realized like the A line, and Cleaning is performed smoothly.

[0033]

According to a first aspect of the present invention, there is provided a flush toilet in which a trap portion is disposed in a drainage passage extending from a bowl portion, wherein the trap portion has a free end and a rear end is vertically inverted and rotatable. In the flush toilet device in which the trap portion is housed in a case body communicating with the external drain pipe and provided with a water supply means for supplying water to the bowl portion when draining from the trap portion, the rear end of the trap portion as a free end A link plate is provided integrally with a rotating shaft that is driven to rotate in order to turn the link plate up and down, and the link plate is rotated by pushing the operation lever and the link plate that are manually swung up and down by pushing the operation lever. As described above, a return spring is provided on the link plate for urging the link plate in a direction opposite to the direction in which the link plate is driven by pushing the operation lever. Push When operated, the operation lever was pulled through the connecting spring to rotate the link plate, the rotating shaft was rotated together with the link plate, and the rear end of the trap portion was driven downward so that water was supplied to the bowl portion. When the water is drained together with the water and the operating lever is released, the link plate is driven by the return spring in the opposite direction to return the link plate so that the rear end of the trap portion is raised. The rear end can be flipped upside down by manual operation, so that there is no need for a power supply for the toilet and no need to consider a power outage as in the past, and measures such as a moisture-proof structure for electric parts etc. are taken. It is possible to eliminate the necessity, and since the link between the operating lever and the link plate is connected via a connecting spring consisting of a tension spring, the link plate is driven with a delay to the operation of the operating lever. Be one trap section is driven by the rear end of the trap portion is drained is driven downward since the water supply to the bowl portion when the water supply to the bowl portion from the operation at the same time as the water supply means of the operating lever,
It is one that is manually operated and can be cleaned smoothly.

[0034] The invention of claim 2 of the present invention is characterized by claim 1
Since the operation lever and the water supply means are linked so that the water supply button is pressed and water is supplied from the water supply means when the operation lever is pushed in, the water supply button is also pressed by operating the operation lever for driving the trap section. The water is supplied and the water supply operation can be automatically performed in conjunction with the operation lever.

The third aspect of the present invention provides the first aspect.
According to claim 2, a damper device is provided on the link plate for providing resistance to the rotation of the link plate when the rear end, which is the free end of the trap portion, starts moving downward from the upper limit and approaches the lower limit. When the rear end of the section starts moving downward from the upper limit, the link plate rotates slowly due to the resistance provided by the damper device, and the rear end of the trap section descends slowly. Water is sufficiently supplied from the water supply means to the bowl section. Wait for the drain to drain and allow sufficient cleaning.Also, when the rear end of the trap section approaches the lower limit, the link plate rotates slowly due to the resistance provided by the damper device and the rear end of the trap section , Slowly descends, and a time period in which the rear end of the trap portion faces downward can be secured, so that the water can be drained reliably.

According to the invention of claim 4 of the present invention, the locking of the link plate is stopped by stopping the rotation of the link plate from the time when the operation lever is started to be pressed until just before the predetermined pushing position of the operation lever. A regulating stopper for releasing the lock so that the link plate rotates at the position is attached to the link plate, and the operation lever and the water supply means are interlocked so that the water supply button is pressed at the predetermined pushing position of the operation lever. When the lever is not pushed to the predetermined pushing position, the restricting stopper is locked to the link plate so that the link plate does not rotate.When the operating lever is pushed to the predetermined position, the restricting stopper is locked from the link plate. The trap is driven by the link plate and the water is supplied from the water supply means. Or is water in a halfway operation not pressed up location is one which can prevent or drained.

Further, the invention of claim 5 of the present invention is directed to claim 4
In, when the operation lever is pushed into a predetermined pushing position, the operation lever is locked to stop the rotation of the operation lever,
A lever stopper is attached to the operation lever to release the lock so that the operation lever rotates when the link plate rotates and the trap part is inverted to the lower limit position, so the operation lever is pushed into the predetermined pushing position. When the operating lever is locked to the lever stopper, the operating lever is held in the pushed state, and when the link plate rotates, the rear end of the trap section is inverted to the lower limit position. Is released, and the operation lever returns.If the operation lever is pushed into the predetermined pushing position and the hand is released, the operation lever does not return to its original position until the trap section performs the predetermined operation, and This simplifies the operation and ensures the operation.

[Brief description of the drawings]

FIG. 1 is an overall sectional view of a flush toilet device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a cleaning operation of the above and showing a state in which water is supplied in a state in which a rear end of a trap portion faces upward.

FIG. 3 is a cross-sectional view showing a cleaning operation of the above, showing a state in which the rear end of the trap portion is rotated downward and in the middle thereof.

FIG. 4 is a cross-sectional view showing a cleaning operation of the above, in a state where waste or sewage is discharged with the rear end of the trap portion facing downward.

FIG. 5 is a half sectional view of the trap unit according to the first embodiment;

FIG. 6 is an exploded perspective view of a trap unit, a ring, and a rotating body of the same.

FIG. 7 is a conceptual diagram showing an example of a mechanism for driving the trap unit according to the embodiment.

FIGS. 8 (a), (b), (c) and (d) are explanatory views showing the operation of the above.

FIG. 9A is a cross-sectional view showing another example of the mechanism for driving the trap unit according to the embodiment, and FIG. 9B is a conceptual diagram of a main part of FIG. 9A.

FIGS. 10 (a), (b), (c), (d), (e), and (f) are explanatory diagrams for explaining the operation of the above.

FIGS. 11 (a), (b) and (c) are explanatory diagrams for explaining the operation of the above.

FIGS. 12A and 12B show a structure in which the operation lever and the water supply means are linked to each other, wherein FIG. 12A is a side view and FIG. 12B is a plan view.

FIG. 13 is a perspective view of the same damper device.

FIG. 14 is an explanatory diagram illustrating operations of a trap unit and a water supply valve according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bowl part 2 Drainage channel 3 Trap part 4 Washing toilet 5 External drainage pipe 6 Case main body 7 Water supply means 8 Rotating shaft 9 Link plate 10 Operating lever 11 Linking spring 13 Return spring 15 Damper device 16 Restriction stopper 17 Lever stopper 18 Water supply button

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Masato Suzuki 1048 Kazumasa Kadoma, Osaka Pref.Matsushita Electric Works, Ltd. 72) Inventor Yasufumi Sato 1048 Kazuma Kadoma, Kadoma City, Osaka Prefecture F-term in Matsushita Electric Works, Ltd. (reference) 2D039 AB05 AC03 AD04 EA01

Claims (5)

[Claims] 1. A flush toilet in which a trap portion is provided in a drainage passage extending from a bowl portion, wherein the trap portion has a free end, and a rear end thereof can be turned upside down and turned freely, and the trap portion is connected to an external drain pipe. In a flush toilet device that is housed in a communicating case body and provided with a water supply means for supplying water to a bowl portion when water is drained from a trap portion, the flush toilet device is rotationally driven to vertically invert a rear end, which is a free end of the trap portion, in a vertical direction. The link plate is provided integrally with the rotating shaft, and the operation lever and the link plate that are manually swung up and down are linked via a link spring composed of a tension spring so that the link plate is driven to rotate by pushing the operation lever. A flush toilet device, wherein a return spring is provided on the link plate, the return spring being urged in a direction opposite to a direction in which the link plate is driven by pushing an operation lever. 2. The flush toilet device according to claim 1, wherein the operation lever and the water supply means are interlocked so that when the operation lever is pushed in, the water supply button is pressed and water is supplied from the water supply means. 3. A damper device for providing resistance to rotation of the link plate when the rear end, which is the free end of the trap portion, starts moving downward from the upper limit and approaches the lower limit, is attached to the link plate. The flush toilet apparatus according to claim 1 or 2, wherein the flush toilet apparatus is provided. 4. When the operation lever is started to be pushed and before the operation lever is pushed to a predetermined pushing position, the link is locked to the link plate to stop the rotation of the link plate, and the link plate rotates at the predetermined pushing position. The control lever and the water supply means are interlocked with each other so that a restriction stopper for releasing the lock is attached to the link plate, and the water supply button is pushed at the predetermined pushing position of the operation lever. 3. The flush toilet device according to 3. 5. When the operation lever is pushed into a predetermined pushing position, the operation lever is locked by stopping the rotation of the operation lever, and when the link plate is rotated and the trap portion is inverted to the lower limit position, the operation lever is moved. 5. The flush toilet apparatus according to claim 4, wherein a lever stopper for releasing the lock so as to rotate is attached to the operation lever.