JP3006755U - Western-style toilet lid and toilet seat opening / closing device - Google Patents

Abstract

(57) [Abstract] [Purpose] When opening the toilet lid or toilet seat of a Western-style toilet, the damper action is eliminated or minimized to allow it to be opened lightly. (EN) Provided is a toilet lid and a toilet seat opening / closing device, which can be closed at the same time and have a structure so as not to float. [Structure] A cylinder having a structure to be fixed to the toilet body, a rotary drum rotatably mounted in the cylinder, and a one-way damper mechanism having a valve provided between the rotary drum and the cylinder. , A hinge pin attached to the rotating drum so that the attachment parts of the toilet lid and the toilet seat are rotated together. At that time, a cam mechanism may be further provided between the rotary drum and the cylinder.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a toilet lid and a toilet seat opening / closing device suitable for opening and closing the toilet lid and the toilet seat of a western-style toilet.

[0002]

[Prior art]

 Conventionally, this type of opening / closing device has a hinge pin on a bracket fixed on the toilet body to hold the toilet lid, toilet seat, etc. in a stable state in a stopped state and prevent it from dropping suddenly when closed. It is known that a torsion spring is elastically wound around a hinge pin and wound between the above-mentioned blanket and the toilet lid or toilet seat that is attached.

However, since the torsion spring itself has variations in torque and the torque linearly increases and decreases, it is necessary to correct this variation in torque, and if the torque of the torsion spring is strong, the toilet seat However, there was a problem that the closed state such as etc. was not enough and it became a little floating, and if the torque was weak, the self-sustaining state was not stable in the open state.

The object of the present invention is to eliminate the damper action when opening the toilet lid or toilet seat of a Western-style toilet or to open it lightly by minimizing it, to hold it stably in an independent state, and to soften it by the damper action when closed. The purpose of the present invention is to provide a toilet lid and a toilet seat opening / closing device that has a simple structure that can be closed at the same time and does not cause floating.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a cylinder that is fixed to the toilet body, a rotary shaft that is rotatably mounted in the cylinder, and a rotary shaft that is provided between the rotary drum and the cylinder. One-way type damper mechanism having such a valve and a hinge pin that is attached to the rotating drum so that the attachment portions of the toilet lid and toilet seat rotate together. A cam mechanism can be provided between the rotating drum and the cylinder to stabilize the self-supporting state of the toilet lid and seat. The invention further includes a damper mechanism, a drum storage chamber provided in the cylinder, a viscous fluid filled in the drum storage chamber, a rotary drum rotatably stored in the drum storage chamber, and a rotary drum. It consists of a pair of blades provided on the drum and a valve provided on this blade, and a cam mechanism is provided for the shaft of a rotating drum provided adjacent to the drum storage chamber in the axial direction of the cylinder. A cam storage chamber that is inserted through the center of the cam storage chamber, a plurality of cam portions that are bulged on the inner circumference of the cam storage chamber, and the cam portion that is attached to the outer circumference of the shaft portion in a radially urged manner. It can be composed of a roller or a ball that abuts.

In this invention, the valve is provided in the groove portion provided in the axial direction of the blade portion, the pair of the first valve piece and the second valve piece formed by the groove portion, and the first valve piece. A first cutout, an elongated hole formed in the second valve piece, and a second cutout that substantially matches the first cutout, and the valve valve is swingably accommodated in the groove. It can be constituted by a tapered arc groove provided in a portion of the side portion of the cylinder which is in contact with the side portion of the rotary drum.

[0007]

[Action]

 In the case of claims 1 and 2, the one-way type damper mechanism having the valve creates a one-sided damper function, so that the toilet lid and the toilet seat are opened lightly at the time of opening and are rapidly opened at the time of closing. It can be closed quietly and smoothly without falling down, and so-called floating does not occur in the closed state.

According to the second aspect and the fourth aspect, particularly when the toilet seat is opened, the stable independent state of the toilet seat can be maintained by the cam mechanism between the opening angle of 80 ° and 110 °.

In the third aspect, the valve is opened and closed by the viscous fluid pushed by the vanes that rotate together with the rotary shaft, and the one-sided damper function is created.

According to a fourth aspect of the present invention, a roller or a ball that is attached to the outer circumference of the rotary shaft by being biased in one direction by the rotation angle of the rotary shaft abuts on the cam portion, and resistance to ride over this is generated. As encountered, a stable click-stop condition is created near the 90 ° opening angle of the toilet seat.

According to the present invention, the viscous fluid pushed by the blades in the rotating direction of the rotary shaft causes the valve valve to oscillate, thereby closing or opening the long hole provided in the valve piece. A viscous fluid passage is created or closed to create a one-sided damper function.

[0012]

【Example】

 The drawings show one embodiment of the present invention. In FIGS. 1 and 2, 1 is a toilet body, and 2 is a water tank. Both sides of the upper rear part of the toilet body 1 are held by the operating parts 4 and 4 of the machine part 3, and a pair of opening / closing devices 6 housed in the respective A-viewed parts of the operating parts 4 and 6. A toilet seat 8 and a toilet lid 9 are openably and closably attached to the toilet body 1 via That is, as shown in FIGS. 2 and 10, among the mounting portions 8a, 8b and 9a, 9b of the toilet seat 8 and the toilet lid 9, respectively, the mounting portion 8a is particularly shown in FIG. As described above, it is fixed to the outer periphery of the hinge pin 10 of the opening / closing device 6, but the attachment portion 9b of the toilet lid 9 is rotatably supported by the hinge pin 10. On the other hand, as shown in FIG. 10 in particular, among the mounting portions 8b and 9a, the mounting portion 9a of the toilet lid 9 is fixed to the outer periphery of the hinge pin 11 of the opening / closing device 7, while the mounting portion 8b of the toilet seat 8 is hinge pin. It is rotatably supported by the shaft 11. As a result, when the toilet seat 8 and the toilet lid 9 are opened and closed, the hinge pins 10 and 11 of one of the opening / closing devices 6 and 7 rotate together with the toilet seat 8 and the toilet lid 9, and the damper mechanism described later operates. Become.

2 to 9 show the internal structure of the opening / closing device 6 for the toilet seat 8 and its components. Of course, this structure can be used as an opening / closing device for the toilet lid 9. In the drawing, a cylinder 14 having lids 12 and 13 attached to both ends is fixedly mounted on a base 4a in the operation unit 4, and one of the drum storages is partitioned by a partition wall 14a in the cylinder 14. A rotating drum 16 is rotatably housed in the chamber 15. The other chamber partitioned by the partition wall 14a is a cam storage chamber 17, and the shaft portion 16a of the rotary drum 16 extends axially through the partition wall 14a and is supported by the lid 12. A shaft portion 16b protruding from the other end of the rotary drum 16 is supported by the lid body 13. Oil seal members 18, 19 such as O-rings are provided between the cylinder 14 and the lid 13, between the shaft portion 16b of the rotating drum 16 and the lid 13, and between the shaft portion 16a and the partition wall 14a. And 20 are installed.

The rotary drum 16 is provided with a deformable mounting hole 16c having a substantially rectangular cross section from the right end portion in the central axial direction, and a damper mechanism 21 on the outer periphery thereof. The damper mechanism 21 is provided with a pair of tapered arc-shaped grooves 13 a, 13 a provided at opposite positions on one side surface of the lid body 13 and the outer periphery of the rotary drum 16 so as to project at an interval of 180 °. A pair of blades 22 and 22 that are in contact with the inside, grooves 23 and 23 provided in the blades 22 and 22 in the axial direction, and a valve that is swingably housed in the grooves 23 and 23. The first valve pieces 25 and 25 sandwiching the groove portions 23 and 23 of the blade portions 22 and 22 have elongated holes 25a and 25a, and the other second valve pieces 26 and 26 have the second valve pieces 26 and 26. First notches 26a, 26a are provided respectively, and second notches 24a, 24a are provided at the ends of the valves 24, 24 at positions facing the first notches 26a, 26a. The first notches 26a, 26a and the second notches 24a, 24a have substantially the same shape but differ in size, and the first notches 26a, 26a are formed deeper. Stopper pieces 15a, 15a project from the inner circumference of the drum storage chamber 15 toward the center at 180 ° intervals, and the tips thereof contact the outer circumference of the rotary drum 16. A viscous fluid 27 such as silicone oil is stored in the drum storage chamber 15.

The cam mechanism 36 is housed in the cam storage chamber 17 as shown in FIGS. 2 and 5 to 6, in particular. On the inner circumference of the cam storage chamber 17, cam portions 17a, 17a are raised at positions facing each other at 180 ° intervals, and in the cam storage chamber 17, a cross section provided on the outer circumference of the shaft portion 16a is provided. A holder 28 fitted in the substantially rectangular deformation mounting portion 16d is stored. Rollers 30, 30 are housed together with springs 29, 29 such as leaf springs in the housing grooves 28a, 28a provided on the outer periphery of the holder 28 at intervals of 180 ° from each other. Is in contact with the inner circumference of the cam storage chamber 17. The leaf spring may be replaced by a compression spring, and the roller may be replaced by a ball. Further, adjacent to the cam portions 17a, 17a from the inside of the cam storage chamber 17 with a space of 180 ° between them, the protrusions 17b, 17b are in contact with the outer periphery of the holder 28.

Then, as shown in FIG. 2, the mounting portion 8a of the toilet seat 8 is fixed to the deforming mounting hole 16c of the rotary drum 16, and the hinge pin extending through the mounting portion 9b of the toilet lid 9 is inserted. 10 is fitted and fixed.

Therefore, as shown in FIG. 2 in particular, when the toilet lid 9 is opened and closed, the hinge pin 10 does not rotate, but when the toilet seat 8 is opened and closed, it does not contact with the attachment portion 8a thereof. First, the hinge pin 10 rotates together, and the damper mechanism 21 and the cam mechanism 36 operate as follows.

First, when the toilet seat 8 is opened, the rotating drum 16 rotates counterclockwise from the closed position shown in FIG. 3 by the hinge pin 10 that rotates together. Then, the viscous fluid 27 enters the groove portions 23, 23 through the long holes 25a, 25a of the first valve pieces 25, 25 of the blade portions 22, 22, pushes the valves 24, 24, and the valves 24, 24 Swings in the time direction to release the closure of the long holes 25a, 25a, so that the viscous fluid 27 passes through the second cutouts 24a, 24a and the first cutouts 26a, 26a, and the first portion of one of the blade portions 22, 22 is moved. Since the valve pieces 25, 25 flow to the other second valve piece 26, 26, the damper mechanism 21 does not operate and the toilet seat 8 is opened without encountering a large resistance. When the toilet seat 8 is opened 110 °, the blade portions 22, 22 come into contact with the protrusions 17b, 17b, and further opening of the toilet seat 8 is prevented. The positions of the valves 24, 24 at this time are on the first notches 26a, 26a side of the second valve pieces 26, 26 as shown in FIG. This state is shown in FIG.

Next, when the toilet seat 8 opened in this way is closed, the rotating drum 16 rotates in the clockwise direction together with the hinge pin 10 from the state shown in FIG. 4 together with the closing operation of the toilet seat 8. Then, the valves 24, 24 are pushed counterclockwise by the viscous fluid 27 penetrating into the grooves 23, 23 through the first notches 26a, 26a of the second valve pieces 26, 26 and swing in the counterclockwise direction. Since the long holes 25a, 25a of 25, 25 are closed, the viscous fluid 27 must escape through the tapered arcuate grooves 13a, 13a which are in contact with the side surfaces of the blades 22, 22, and the arcuate grooves 23a, 23a are not shown. Since it is a taper groove that becomes shallower around the direction, the damper mechanism operates due to this, and the damper action causes the toilet seat 8 to be relatively early at first, gradually slowed down, and quietly closed. In this way, the damper mechanism 21 is a so-called one-way one-way type that does not operate during the opening operation of the toilet seat 8 but only during the closing operation.

Next, when the cam mechanism 36 opens the toilet seat 8 to 90 °, the rollers 30, 30 which are constantly pressed to the outer peripheral side of the cam storage chamber 17 by the springs 29, 29 are again pressed by the cam portion 17a, It gets over 17a and falls into the grooves 17c, 17c. When the toilet seat 8 is to be closed, the rollers 30 and 30 are required to move over the cam portions 17a and 17a again against the pressing force of the springs 29 and 29. Therefore, the rollers 30 and 30 are stable in the open position and do not fall naturally.

Next, the opening / closing device 7 for the toilet lid 9 shown in FIG. 10 will be described. The opening / closing device 7 is substantially the same as the above-described opening / closing device 6 for the toilet seat 8 in that the cam mechanism is not present. The difference is that one lid 32 of the cylinder 31 is formed integrally with the cylinder 31, and therefore, only two oil seals 33 and 34 are installed. Of course, this opening / closing device 7 may be used for opening / closing the toilet seat 8. A hinge pin 11 is fitted and fixed in a deformation hole 35a provided in the central axial direction of the rotary drum 35. The attaching portion 9a of the toilet lid 9 is fixed to the hinge pin 11, and the attaching portion 8b of the toilet seat 8 is fixed. It is pivotally supported.

Therefore, as shown in FIG. 10, when the toilet seat 8 is opened and closed, the hinge pin 11 does not rotate, but when the toilet lid 9 is opened and closed, the hinge pin 11 together with its attachment portion 9a is used. Although the hinge pin 11 rotates together and the damper mechanism 37 operates, its operation is the same as that described above, and therefore its explanation is omitted.

[0023]

[Effect of device]

 In the toilet seat opening / closing device, the one-way damper mechanism allows the toilet seat to be opened lightly during the opening operation, and at the fully open position, the cam mechanism maintains that position stably and does not fall naturally. Also, when it is closed, it does not drop suddenly due to the damper action, but at the beginning it is relatively quick, gradually slows down and closes quietly, and since it does not use the spring that biases the toilet seat in the opening direction, There is no floating phenomenon on the toilet seat.

In the opening / closing device for the toilet lid, the one-way damper mechanism allows the toilet lid to be opened lightly during the opening operation, and when the toilet lid is closed, the damper action of the damper mechanism does not cause a sharp drop. , It is relatively fast at first, then closed slowly and gently, and since no splins that bias the toilet lid toward the opening direction are used, the toilet seat does not float when closed.

[Brief description of drawings]

FIG. 1 is a perspective view of a Western style toilet according to the present invention.

FIG. 2 is a front sectional view of the opening / closing device according to the present invention with the toilet seat open.

FIG. 3 is a cross-sectional view of the damper mechanism with the toilet seat closed.

FIG. 4 is a cross-sectional view of the damper mechanism with the toilet seat open at the position of line AA in FIG.

FIG. 5 is a cross-sectional view of the cam mechanism with the toilet seat closed.

FIG. 6 is a cross-sectional view of the cam mechanism with the toilet seat open at the position of line BB in FIG.

FIG. 7 is an exploded perspective view of a rotary drum.

FIG. 8 is a perspective view of a lid body provided with a tapered arc-shaped groove.

FIG. 9 is an explanatory view of a tapered arcuate groove.

FIG. 10 is a front sectional view of the opening / closing device with the toilet lid closed according to the present invention.

[Explanation of symbols]

 1 Toilet main body 6 Opening / closing device 7 Opening / closing device 8 Toilet seat 8a, 8b Attachment part 9 Toilet lid 9a, 9b Attachment part 10 Hinge pin 11 Hinge pin 12 Lid body 13 Lid body 13a Tapered groove 14, 31 Cylinder 14a Partition wall 15 Drum storage chamber 16, 35 Rotating drum 17 Cam storage chamber 17a Cam part 21, 37 Damper mechanism 22 Blade part 23 Groove part 24 Valve 24a Second cutout 25 First valve piece 25a Long hole 26 Second valve piece 26a First cutout 27 Viscous fluid 28 Holder 29 Spring 30 Roller 32 Lid 36 Cam Mechanism

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[Procedure amendment]

[Submission date] August 11, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 5

[Correction method] Change

[Correction content]

Claims (5)

[Scope of utility model registration request] 1. A one-way damper having a cylinder fixed to the toilet body, a rotary drum rotatably mounted in the cylinder, and a valve provided between the rotary drum and the cylinder. An opening / closing device for a toilet lid and a toilet seat of a Western-style toilet, comprising a mechanism and a hinge pin that is attached to the rotating drum so that the attachment portions of the toilet lid and the toilet seat rotate together. 2. A one-way damper having a cylinder fixed to the toilet body, a rotary drum rotatably mounted in the cylinder, and a valve provided between the rotary drum and the cylinder. A mechanism, a cam mechanism provided between the rotary drum and the cylinder, and a hinge pin attached to the rotary drum so as to rotate the attachment parts of the toilet lid and the toilet seat together. Toilet lid and toilet seat opening / closing device. 3. A damper mechanism, a drum storage chamber provided in a cylinder, a viscous fluid filled in the drum storage chamber, a rotary drum rotatably stored in the drum storage chamber, and a rotary drum. The opening / closing device for the toilet lid and the toilet seat of the western-style toilet according to claim 1 or 2, wherein the opening / closing device is composed of a pair of blades provided in the blade and a valve provided in the blade. 4. A cam storage chamber formed by inserting a shaft portion of a rotary drum, which is provided adjacent to the drum storage chamber in the axial direction of the cylinder, into a central portion of the cam mechanism, and the cam storage chamber. 3. A plurality of cam portions that are bulged on the inner circumference, and rollers or balls that come into contact with the cam portions that are attached to the outer circumference of the shaft portion by being biased in the radial direction. Alternatively, the opening / closing device for the toilet lid and the toilet seat of the Western-style toilet described in 3. 5. A valve, a groove portion provided in an axial direction of a blade portion, a pair of a first valve piece and a second valve piece formed by the groove portion, and an elongated hole provided in the first valve piece. A valve having a first notch provided in the second valve piece and a second notch that substantially coincides with the first notch and swingably accommodated in the groove, and a side portion of the cylinder. The toilet lid and toilet seat opening / closing device for a western-style toilet according to any one of claims 1 to 4, wherein the opening / closing device comprises a tapered arc-shaped groove provided in a portion in contact with a side portion of the rotary drum.