JPH07111959A - Opening/closing apparatus for toilet seat and lid - Google Patents

Abstract

PURPOSE:To provide an opening/closing apparatus for a toilet seat and a lid with limited number of parts and a lower cost by enabling the opening or closing of the toilet seat and the lid with one motor. CONSTITUTION:A teeth-trimmed gear 3 for a toilet seat and a teeth-trimmed gear 4 for a lid are provided at the tip of a rotary shaft 2a of the toilet seat 1 and the lid 2. A retaining pawl 4a is erected on the teeth-trimmed gear 4 for the lid. A semi-circular retaining groove 3a is provided on the teeth-trimmed gear 3 for the toilet seat so that the retaining pawl 4a of the teeth-trimmed gear 4 for the lid is fitted thereinto. A belt 8 is looped on a drive wheel 6b and a driven wheel 7a and transmits a driving force of a motor 6 to a transmission gear 7. The driving force of the motor 6 is transmitted selectively to the teeth-trimmed gear 3 for the toilet seat and the teeth-trimmed gear 4 for the lid depending on the presence of the mesh of the teeth-trimmed parts of the teeth-trimmed gear 3 for the toilet seat and the teeth-trimmed gear 4 for the lid with the transmission gear 7 and the retaining of the retaining pawl 4a with the retaining groove 3a thereby opening or closing the toilet seat 1 and the lid 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet seat and a lid opening / closing device for opening and closing a toilet seat and a toilet lid with a motor.

[0002]

2. Description of the Related Art Conventionally, as a toilet seat and toilet lid opening and closing device for opening and closing a toilet seat and a toilet lid with a motor, as shown in FIG.
11a is projected substantially horizontally, and the toilet seat 1 and the toilet lid 2 are rotatably supported on the toilet body by these rotating shafts 1a and 2a.
As shown in FIG. 3, gears 13 and 14 are attached to the tip ends of the respective rotary shafts 1a and 2a, and a motor 15 for opening and closing the toilet seat and a motor 16 for opening and closing the toilet lid are provided via belts 17 and 17, respectively. There is one that drives the gears 13 and 14 to open and close the toilet seat 1 and the toilet lid 2 as shown in FIG. When the user stands in front of the toilet bowl, this opening / closing device detects the human body by the sensor and opens only the toilet lid 2. Then, the toilet seat 1 is opened by operating the operation remote control switch when necessary according to the user. Further, when the user leaves the toilet bowl, the toilet lid 2 and the toilet seat 1 are closed.

Further, there is one in which the toilet seat and the toilet lid can be opened or closed separately or integrally by restricting the opening operation of the toilet seat by a toilet seat stopper which is connected to an electromagnetic plunger and is locked so as to be retractable from the toilet seat ( JP-A-3-970
(See No. 8).

[0004]

In the former conventional configuration,
In order to open and close the toilet seat 1 and the toilet lid 2 independently, the toilet seat opening / closing motor 15 and the toilet lid opening / closing motor 16 are attached to the respective rotating shafts 1a and 2a, so that the number of parts is large. However, there is a problem that the cost is high because the assembling work is troublesome.

In addition, in the latter conventional configuration, in addition to the motor for opening and closing the toilet seat and the toilet lid, it is necessary to provide an electromagnetic plunger for retracting the toilet seat stopper, which causes a problem of increasing the number of parts. The present invention has been made in view of the above problems, and an object of the present invention is to provide a toilet seat and toilet lid opening / closing device that can open and close the toilet seat and toilet lid with a single motor, has a small number of parts, and is low in cost.

[0006]

In order to achieve the above-mentioned object, the invention is achieved by rotating a rotating shaft of a toilet seat and a toilet lid, which are rotatably supported by a toilet body, by a motor. An opening / closing device for opening and closing a toilet seat and a toilet lid, characterized by comprising driving force transmission means for selectively transmitting a driving force of a motor to a rotating shaft of the toilet seat and a rotating shaft of the toilet lid.

According to a second aspect of the present invention, in the first aspect of the present invention, the human body detection sensor for detecting the human body is provided, and the driving force transmission means transmits the driving force of the motor to the toilet lid based on the detection output of the human body detection sensor. It is characterized by doing.

[0008]

According to the structure of the invention of claim 1, there is provided an opening / closing device for opening and closing the toilet seat and the toilet lid by rotating the rotating shafts of the toilet seat and the toilet lid rotatably supported by the toilet body by the motor. ,
Since the driving force transmitting means for selectively transmitting the driving force of the motor to the rotating shaft of the toilet seat and the rotating shaft of the toilet lid is provided, the driving force of one motor is transmitted to the rotating shaft of the toilet seat by the driving transmitting means. By selectively transmitting to the rotation axis of the toilet lid, the toilet seat and the toilet lid can be opened and closed simultaneously or separately, and a single motor for opening and closing the toilet seat and the toilet lid can be used.

According to the second aspect of the invention, the human body detecting sensor for detecting the human body is provided, and the driving force transmitting means transmits the driving force of the motor to the toilet lid based on the detection output of the human body detecting sensor. When the human body detection sensor detects that the user is approaching the toilet bowl, the drive transmission means transmits the driving force of the motor to the rotation axis of the toilet lid to automatically open the toilet lid, so that the user himself It is not necessary to open the toilet lid by hand, and the operability of the toilet bowl is improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the toilet seat 1 and the toilet lid 2 in this embodiment, rotary shafts 1a and 2a are provided on the rear side surfaces so as to project substantially horizontally. As shown in FIG. 1, the rotating shaft 1a of the toilet seat 1
Is a hole 1 penetrating from the tip to the rear surface side of the base end of the rotating shaft 1a.
b, and the rotary shaft 2a of the toilet lid 2 is rotatably inserted through the hole 1b.

A toilet seat toothless gear 3 is provided at the tip of the rotary shaft 1a of the toilet seat 1, and at the tip of the rotary shaft 2a of the toilet lid 2 inserted into the hole 1b of the rotary shaft 1a of the toilet seat 1. Is a toothless gear 4 for the toilet lid having the same pitch and the same module as the toothless gear 3 for the toilet seat.
Is provided. A locking claw 4a is provided upright on the surface of the toothless gear 4 for the toilet lid facing the toothless gear 3 for the toilet seat. The locking claw 4a is formed in a shape corresponding to a part of a cylinder that is concentric with the pitch circle of the toothless gear 4 for toilet lid. On the other hand, on the surface of the toilet seat tooth-chipped gear 3 facing the toilet lid tooth-chipped gear 4, the arc-shaped locking groove 3 into which the locking claw 4a of the toilet lid tooth-chipped gear 4 is fitted.
a is provided. Then, the locking claw 4a is fitted into the locking groove 3a.
The engaging claw 4a can be reciprocally moved in the engaging groove 3a as the toilet seat tooth-chipped gear 3 and the toilet lid tooth-chipped gear 4 rotate.

Rotating shaft 1a of toilet seat 1 and rotating shaft 2 of toilet lid 2
a is housed inside the switchgear main body 5 that is formed in a substantially box shape, including the toilet seat tooth-chipped gear 3 and the toilet lid tooth-chipped gear 4,
The opening / closing device body 5 is rotatably supported by a shaft. A motor 6 is installed in the switchgear body 5. The drive shaft 6a of the motor 6 is a rotary shaft 1a of the toilet seat 1 and a rotary shaft 2a of the toilet lid 2.
And the drive shaft 6 of the motor 6
A drive wheel 6b is attached to the tip of a.

On the other hand, a cylindrical transmission gear 7 that meshes with the rotating shaft 1a of the toilet seat 1 and the rotating shaft 2a of the toilet lid 2 rotates on the switchgear body 5 substantially in parallel with the rotating shafts 1a and 2a. Freely supported. Further, a driven wheel 7 a having a larger diameter than the transmission gear 7 is attached to the tip of the transmission gear 7 so as to rotate integrally with the transmission gear 7. The belt 8 is stretched around the driving wheel 6b and the driven wheel 7a, and the belt 8 transmits the driving force of the motor 6 by the driving wheel 6b to the transmission gear 7. That is, the driving force of the motor 6 is transmitted to the transmission gear 7 via the belt 8, and the rotation of the transmission gear 7 causes the rotation shaft 1a of the toilet seat 1 and the rotation shaft 2a of the toilet lid 2 to rotate. The toilet seat 1 and the toilet lid 2 can be opened and closed.

Next, the opening / closing operation of the toilet seat 1 and the toilet lid 2 will be described in detail. FIG. 2 is a schematic block diagram of the switchgear according to this embodiment. When a person standing in front of the toilet is detected by the human body detection sensor 9 of the pyroelectric type or the like, the detection output is transmitted to the control circuit 10. The control circuit 10
Based on the detection output of the human body detection sensor 9, the motor drive circuit 11 is controlled to drive the motor 6 to open the toilet lid 2 (see FIG. 3). Further, when the toilet seat 1 needs to be opened, the user operates the remote control switch 12 to transmit the operation signal to the control circuit 10, and the control circuit 10 causes the motor drive circuit 11 to operate based on the operation signal. To open the toilet seat 1 (see FIG. 4). When the user puts on the toilet and leaves the front of the toilet bowl, the detection output of the human body detection sensor 9 disappears, so the control circuit 10 controls the motor drive circuit 11 to switch the toilet lid 2 or the toilet lid 2 and the toilet seat 1 to each other. Close it (see Figure 5).

Further, a specific operation of opening and closing the toilet seat 1 and the toilet lid 2 will be described with reference to FIGS. 6 to 9.
6 to 9, the upper stage of each figure is a simplified side view of the toilet seat 1 and the toilet lid 2, the middle stage is a plan view showing the tooth cover toothless gear 4 and the transmission gear 7, and the lower stage is the toilet seat. FIG. 3 is a plan view showing a tooth-chipped gear 3 and a transmission gear 7. First, a case where a person (user) stands in front of the toilet bowl and the toilet lid 2 can be opened will be described with reference to FIG. FIG. 6A shows an initial state in which both the toilet seat 1 and the toilet lid 2 are closed. In this initial state, as shown in the middle part of the figure, the teeth of the transmission gear 7 are toothless parts for the toilet seat. The toothless portion 3b of the gear 3 is located, and the toothless gear 3 for the toilet seat and the transmission gear 7 are not in mesh with each other. Further, as shown in the lower part of the figure, the transmission gear 7 and the toilet lid partly toothed gear 4 are in a meshed state, and one end surface of the locking claw 4a of the toilet lid partly toothed gear 4 is for a toilet seat. The toothless gear 3 is in a locked state in which it is in contact with one side surface of the arcuate locking groove 3a.

When the control circuit 10 controls the motor drive circuit 11 based on the detection output of the human body detection sensor 9 to drive the motor 6 from this initial state, the driving force of the motor 6 is transmitted via the belt 8. It is transmitted to the gear 7, and the transmission gear 7 rotates counterclockwise in the figure. As a result, the toothless gear 4 for the toilet lid is rotated clockwise to open the toilet lid 2 (see (b) to (f) of the same figure). At this time, the toothless gear 3 for the toilet seat does not rotate because the transmission gear 7 is located in the toothless portion 3b, and the toilet seat 1 does not open. Further, the locking claws 4a provided upright on the toilet lid tooth-chipped gear 4 move clockwise in the locking groove 3a of the toilet seat tooth-chipped gear 3 as the toilet lid tooth-chipped gear 4 rotates. To do. When the toilet lid 2 is fully opened, the control circuit 1
0 controls the motor drive circuit 11 to stop the motor 6. When the toilet lid 2 is fully opened, the other side end surface of the locking claw 4a is in contact with the other side surface of the arcuate locking groove 3a (see FIG. 6 (f)).

When it is necessary to further open the toilet seat 1 from the state where the toilet lid 2 is fully opened as described above, the user operates the remote control switch 12 as described above.
Thereby, the control circuit 10 controls the motor drive circuit 11 to drive the motor 6. FIG. 7A shows a state in which the toilet lid 2 is fully opened (a state in FIG. 6F), and when the transmission gear 7 is rotated counterclockwise by driving the motor 6 from this state (see FIG. (See (b)), the partly tooth-missing gear 4 for the toilet lid rotates clockwise. In the state of FIG. 3A, since the other side end surface of the locking claw 4a is in contact with the other side surface of the arcuate locking groove 3a, rotation of the toothless gear 4 for the toilet lid is prevented. By the locking claws 4a that rotate together, the toilet seat tooth-chipped gear 3 rotates clockwise, the tooth-chipped portion 3b moves, and the toilet seat tooth-chipped gear 3 and the transmission gear 7 come into mesh with each other ( The same figure (b)
reference). On the other hand, the teeth of the transmission gear 7 come to be located in the toothless portion 4b of the toothless gear 4 for toilet lid (see FIG. 2B), and the toilet lid 2 cannot be opened any more. And the transmission gear 7
When the toilet seat 1 is opened (see (b) to (f) in the same figure) by the rotation of, the control circuit 10 controls the motor drive circuit 11 to stop the motor 6 when the toilet seat 1 is fully opened, and the toilet lid 2 and the toilet seat 1 Are opened together (see (f) in the figure).

When the user puts on the toilet seat 1 and the toilet lid 2 open and leaves the front of the toilet bowl, the control circuit 10 causes the motor drive circuit to operate based on the detection output of the human body detection sensor 9 as described above. 11 is controlled to drive the motor 6 in the reverse direction of the opening operation, first, the toilet seat 1 is closed in the order shown in FIGS. 7 (f) to (a), and then in the order shown in FIGS. 6 (f) to (a). Lid 2
Is closed and returns to the initial state.

When the user manually closes the toilet lid 2 from the state shown in FIG. 7 (f), the motor 6 idles, and the toothless gear 4 for the toilet lid transmits the transmission gear as shown in FIG. 8 (a). 7 and the toilet seat 1 and the toilet lid 2 can be closed together as shown in FIGS. Further, as shown in FIG. 9, when the user manually opens the toilet seat 1 or the toilet lid 2 from the initial state of FIG. 6A, the motor 6 idles and the toilet seat 1 and the toilet lid 2 are manually operated. Can be opened (Fig. 9 (a))
~ (E)).

In the above-mentioned structure, the tooth claw 4a and the tooth claw 4 for the toilet seat are selectively or integrally rotated selectively by engaging the engaging claw 4a and the engaging groove 3a. The belt 8, the transmission gear 7, the toilet seat tooth-chipped gear 3 and the toilet lid tooth-chipped gear 4 constitute a driving force transmission means. In this embodiment, the rotating shaft 1a of the toilet seat 1
And the rotation shaft 2a of the toilet lid 2 are arranged coaxially, but the present invention is not limited to this, and by adding a gear that transmits the driving force even when they are not arranged coaxially, the technique of the present invention Thoughts can be applied.

[0021]

The invention according to claim 1 is an opening / closing device for opening and closing the toilet seat and the toilet lid by rotating the rotating shafts of the toilet seat and the toilet lid rotatably supported by the toilet body by a motor. Since the driving force transmitting means for selectively transmitting the driving force of the motor to the rotating shaft of the toilet seat and the rotating shaft of the toilet lid is provided, the driving force of one motor is rotated by the driving transmitting device. And the rotary shaft of the toilet lid, so that the toilet seat and the toilet lid can be opened or closed simultaneously or separately. As a result, a single motor for opening and closing the toilet seat and the toilet lid can be used, which simplifies the opening and closing mechanism of the toilet seat and toilet lid and downsizes the opening and closing device, and reduces the cost of the opening and closing device for the toilet seat and toilet lid. The effect is that it can be reduced.

The invention of claim 2 is provided with a human body detection sensor for detecting a human body, and the driving force transmission means transmits the driving force of the motor to the toilet lid based on the detection output of the human body detection sensor. The human body detection sensor detects that a person is approaching the toilet bowl, and the drive transmission means transmits the driving force of the motor to the rotating shaft of the toilet lid to automatically open the toilet lid. There is an effect that the operability of the toilet can be improved without having to open the toilet lid.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part showing an embodiment.

FIG. 2 is a schematic block diagram of the above.

FIG. 3 is a perspective view of the toilet bowl with the toilet seat opened.

FIG. 4 is a perspective view of the toilet bowl with the toilet seat and the toilet lid opened.

FIG. 5 is a perspective view of the toilet bowl with the toilet seat and the toilet lid closed.

6 (a) to 6 (f) are explanatory views for explaining the operation of opening and closing the toilet lid by the motor of the above, wherein the upper stage is a simplified side view of the toilet seat and the toilet lid, and the middle stage is a toothless portion for the toilet lid. FIG. 3 is a plan view showing a gear and a transmission gear, and the lower stage is a plan view showing a toothless gear for a toilet seat and a transmission gear.

7 (a) to 7 (f) are explanatory views for explaining the operation of opening and closing the toilet seat by the motor of the above, where the upper stage is a simplified side view of the toilet seat and the toilet lid, and the middle stage is the toothless gear for the toilet lid. And a transmission gear, and a lower stage is a plan view showing a toothless gear for a toilet seat and a transmission gear.

8 (a) to (f) are explanatory views for explaining the operation of closing the toilet seat and the toilet lid with the same hand as above, where the upper stage is a simplified side view of the toilet seat and the toilet lid, and the middle stage is the toilet lid cutout. FIG. 3 is a plan view showing a tooth gear and a transmission gear, and a lower stage is a plan view showing a toothless gear for a toilet seat and a transmission gear.

9 (a) to 9 (f) are explanatory views for explaining the operation of opening the toilet seat and the toilet lid with the same hand as above, where the upper stage is a simplified side view of the toilet seat and the toilet lid, and the middle stage is the toilet lid cutout. FIG. 3 is a plan view showing a tooth gear and a transmission gear, and a lower stage is a plan view showing a toothless gear for a toilet seat and a transmission gear.

FIG. 10 is a perspective view of a conventional toilet seat and toilet lid.

FIG. 11 is a perspective view of a motor, a belt, and a gear showing an opening / closing mechanism of the toilet seat and the toilet lid of the same.

FIG. 12 is a side view showing a part of the toilet bowl of the same.

[Explanation of symbols]

 1 Toilet Seat 1a Rotating Shaft 2 Toilet Lid 3 Toilet Seat Partial Gear 3a Locking Groove 3b Toothless Part 4 Toilet Partial Tooth Gear 4a Locking Claw 5 Opening / Closing Device Main Body 6 Motor 7 Transmission Gear 8 Belt

Claims (2)

[Claims] 1. An opening / closing device for opening and closing a toilet seat and a toilet lid by rotating a rotating shaft of a toilet seat and a toilet lid, which are rotatably supported on a toilet body, by a motor. An opening / closing device for a toilet seat and a toilet lid, which is provided with a driving force transmitting means for selectively transmitting the rotation force to the rotating shaft of the toilet lid and the rotating shaft of the toilet lid. 2. A human body detection sensor for detecting a human body,
2. The toilet seat and toilet lid opening / closing device according to claim 1, wherein the driving force transmitting means transmits the driving force of the motor to the toilet lid based on the detection output of the human body detection sensor.