CN212996234U - Driving device and western-style toilet - Google Patents

Abstract

A drive device and a western-style toilet with the drive device are provided, which are helpful for improving the installation freedom, reducing the cost and improving the maintenance operation efficiency, and are helpful for avoiding the damage of the connection part of a wiring, a motor and a potentiometer during the installation. The utility model discloses a drive arrangement has: an electric motor; an output shaft; a transmission mechanism that transmits a driving force of the motor to the output shaft; a potentiometer that outputs a signal corresponding to a rotational angle position of the output shaft; and a housing that houses the motor, the transmission mechanism, and the potentiometer, the housing having a wiring lead-out opening, a wiring holding portion being provided in the housing at a position close to the wiring lead-out opening, and a first wiring led out from the motor and a second wiring led out from the potentiometer being led out from the wiring lead-out opening to the outside of the housing after an extending direction thereof is changed by the wiring holding portion.

Description

Driving device and western-style toilet

Technical Field

The utility model relates to a drive arrangement and western-style closestool that has this drive arrangement.

Background

Conventionally, in a western-style toilet having a toilet body, a toilet seat, and a toilet lid, there is a case where a drive device is used for controlling opening and closing of the toilet seat and/or the toilet lid with respect to the toilet body, the drive device including: an electric motor; an output shaft connected to a toilet seat and/or a toilet lid as an opening and closing member; a transmission mechanism that transmits a driving force of the motor to the output shaft; a potentiometer that outputs a signal corresponding to a rotational angle position of the output shaft; and a housing that houses the motor, the transmission mechanism, and the potentiometer.

In the above-described driving device, in order to supply power to the motor and the potentiometer, a connector portion with a connector terminal is integrally formed on the housing, and particularly, the housing has a long shape when viewed in the rotation axis direction of the output shaft, the connector portion is provided on a bottom wall portion of one end side of the long shape of the housing, and the connector portion protrudes from a bottom surface of the housing, so that a configuration is restricted when designing the mounting portion, and an increase in volume is likely to be caused; in addition, when electrical connection is performed, a connector group having connector housings at both ends needs to be prepared, which leads to an increase in cost; in addition, since the substrate is soldered to the connector terminal in the final assembly process, the solder needs to be removed during maintenance, and the maintenance work is not easy to perform.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in view of the above problems, and an object of the present invention is to provide a drive device and a western-style toilet having the same, which can improve the degree of freedom of installation, reduce the cost, improve the maintenance efficiency, and prevent the damage of the connection portion between the wire harness and the motor or the potentiometer when the installation is performed.

In order to achieve the above object, the present invention provides a driving device having: an electric motor; an output shaft; a transmission mechanism that transmits a driving force of the motor to the output shaft; a potentiometer that outputs a signal corresponding to a rotational angle position of the output shaft; and a housing that houses the motor, the transmission mechanism, and the potentiometer, wherein the housing has a wiring lead-out opening, a wiring holding portion is provided in the housing at a position close to the wiring lead-out opening, and a first wiring led out from the motor and a second wiring led out from the potentiometer are led out from the wiring lead-out opening to the outside of the housing after the direction of extension is changed by the wiring holding portion.

According to the driving device of the present invention, the housing has the wiring lead-out port, the wiring holding portion is provided in the housing at a position close to the wiring lead-out port, and the first wiring led out from the motor and the second wiring led out from the potentiometer are led out from the wiring lead-out port to the outside of the housing after the extending direction is changed by the wiring holding portion; therefore, unlike the case where the connector portion with the connector terminal is integrally formed with the housing, the arrangement is easily restricted by the connector portion, the degree of freedom of mounting is high, and it is not necessary to prepare a connector set with connector housings at both ends when supplying power to the motor and the potentiometer, which results in low cost; moreover, unlike the case where the substrate needs to be soldered to the connector terminal, the solder does not need to be removed during maintenance, and maintenance work is easy to perform; in addition, when the motor is mounted, even if external force is applied to the first wire and the second wire, the external force is easily blocked by the wire holding portion, and is not easily transmitted to the connection portion between the first wire and the motor and the connection portion between the second wire and the potentiometer, so that damage to these connection portions can be easily avoided.

In the driving device of the present invention, it is preferable that the wire holding portion has a wire passage groove or a wire passage hole through which the first wire and/or the second wire passes.

According to the utility model discloses a drive arrangement, wiring holding portion has the line groove or cross the line hole of crossing that supplies first wiring and/or second wiring to pass, consequently, when first wiring, second wiring received external force in the installation, external force was blocked by wiring holding portion more easily, was difficult for transmitting to the connection position of first wiring and motor, the connection position of second wiring and potentiometre, avoided these connection positions impaired more easily.

In the driving device according to the present invention, it is preferable that a partition portion that partitions at least one of the first wiring and the second wiring from the transmission mechanism is provided in the case.

According to the utility model discloses a drive arrangement is provided with the partition portion in the casing, and the partition portion separates at least one party in first wiring and the second wiring and transmission mechanism, consequently, can avoid first wiring, second wiring to be drawn into transmission mechanism and lead to first wiring, second wiring impaired, transmission mechanism to break down.

In the driving device of the present invention, it is preferable that at least a part of the first wire is sandwiched between the wire holding portion and the partition portion, and/or at least a part of the second wire is sandwiched between the wire holding portion and the partition portion.

According to the utility model discloses a drive arrangement, at least partly clamp of first wiring is between wiring holding portion and partition portion, and/or, at least partly clamp of second wiring is between wiring holding portion and partition portion, therefore, when first wiring, second wiring received external force in the installation, external force was more difficult for transmitting to the connection position of first wiring and motor, the connection position of second wiring and potentiometre, avoided these connection positions impaired more easily.

In the driving device according to the present invention, it is preferable that the wire holding portion has a plate shape with a side surface against which the first wire and the second wire are abutted.

According to the driving device of the present invention, the wiring holding portion is in the form of a plate for abutting the first wiring and the second wiring on the side surface thereof, and therefore, the wiring holding portion has a simple structure, which contributes to reduction of the manufacturing cost.

Further, in the driving device of the present invention, it is preferable that the housing has a long shape when viewed in a direction of a rotation axis of the output shaft, and the wire drawing port is provided in a side wall of the housing on one side in a width direction orthogonal to a longitudinal direction of the long shape.

According to the utility model discloses a drive arrangement, when observing along the rotation axis direction of output shaft, the casing is rectangular shape, and the wiring is drawn forth the mouth and is set up in the lateral wall of the casing with the ascending one side of the length direction orthogonal of rectangular shape width direction, consequently, compares with the condition that draws forth the mouth with the wiring and set up in the end wall portion of the distolateral casing of rectangular shape, and the installation degree of freedom is higher.

In the driving device according to the present invention, it is preferable that the motor is provided on one side of the housing in the longitudinal direction, the potentiometer is provided on the other side of the housing in the longitudinal direction, the first wire and the second wire are provided in plural numbers, and the plural first wires drawn from the motor and the plural second wires drawn from the potentiometer are gathered at the wire holding portion and then extended side by side.

In the drive device according to the present invention, it is preferable that the wire holding portion has a first wire and a second wire arranged in a direction of a rotation axis of the output shaft, a partition portion is provided in the case to partition the first wire and the second wire from the transmission mechanism, the wire holding portion and the partition portion sandwich the first wire and the second wire from both sides in a direction orthogonal to the direction of the rotation axis of the output shaft, and a plate portion that restricts the first wire and/or the second wire from the direction of the rotation axis of the output shaft is provided in the case.

According to the driving device of the present invention, the movement of the first wire and the second wire can be restricted from a plurality of directions by the wire holding portion, the partition portion, and the plate-like portion, and therefore, when the first wire and the second wire receive external force during installation, the external force is less likely to be transmitted to the connection portion between the first wire and the motor and the connection portion between the second wire and the potentiometer, and damage to these connection portions can be avoided more easily.

In the driving device according to the present invention, it is preferable that a connector is connected to an end of the first wire and an end of the second wire, the end being drawn out from the wire drawing port.

According to the driving device of the present invention, the connector is connected to the end portion of the first wire and the second wire drawn out from the wire drawing-out port, and therefore, the electric connection with the outside is made easier.

In addition, in order to achieve the above object, the present invention provides a western-style toilet having a toilet main body, a toilet seat, and a toilet lid, and having any one of the above-mentioned driving devices, which drives the toilet seat and/or the toilet lid to open and close with respect to the toilet main body.

(effects of utility model)

According to the present invention, the housing has a wiring lead-out opening, a wiring holding portion is provided in the housing at a position close to the wiring lead-out opening, and a first wiring led out from the motor and a second wiring led out from the potentiometer are led out to the outside of the housing from the wiring lead-out opening after the extending direction is changed by the wiring holding portion; therefore, unlike the case where the connector portion with the connector terminal is integrally formed with the housing, the arrangement is easily restricted by the connector portion, the degree of freedom of mounting is high, and it is not necessary to prepare a connector set with connector housings at both ends when supplying power to the motor and the potentiometer, which results in low cost; moreover, unlike the case where the substrate needs to be soldered to the connector terminal, the solder does not need to be removed during maintenance, and maintenance work is easy to perform; in addition, when the motor is mounted, even if external force is applied to the first wire and the second wire, the external force is easily blocked by the wire holding portion, and is not easily transmitted to the connection portion between the first wire and the motor and the connection portion between the second wire and the potentiometer, so that damage to these connection portions can be easily avoided.

Drawings

Fig. 1 is a perspective view schematically showing a drive device according to an embodiment of the present invention.

Fig. 2 is a front view schematically showing a state in which a part of the housing and a part of the components are removed in the drive device according to the embodiment of the present invention.

Fig. 3 is another front view schematically showing a state in which a part of the housing and a part of the components are removed in the drive device according to the embodiment of the present invention.

Fig. 4 is a partial front view schematically showing a modification of the drive device according to the embodiment of the present invention.

(symbol description)

1 drive device

10 output shaft

20 transfer mechanism

30 casing

31 first end wall

32 second end wall

33 cylindrical side wall

331 wiring outlet

40. 40A wiring holding part

41 wire passing groove

51 first wiring

52 second wiring

60 partition

70 connector

Detailed Description

Next, a driving device according to an embodiment of the present invention will be described with reference to fig. 1 to 3, in which fig. 1 is a perspective view schematically showing the driving device according to the embodiment of the present invention, fig. 2 is a front view schematically showing a state where a part of a housing and a part of components of the driving device according to the embodiment of the present invention are removed, and fig. 3 is another front view schematically showing a state where a part of a housing and a part of components of the driving device according to the embodiment of the present invention are removed.

Here, for convenience of explanation, three directions orthogonal to each other are set as an X direction, a Y direction, and a Z direction, and one side in the X direction is set as X1, the other side in the X direction is set as X2, one side in the Y direction is set as Y1, the other side in the Y direction is set as Y2, one side in the Z direction is set as Z1, the other side in the Z direction is set as Z2, and the rotation axis L direction of the output shaft 10 is assumed to coincide with the Z direction.

As shown in fig. 1 to 3, the drive device 1 includes: a motor (not shown); an output shaft 10; a transmission mechanism 20, the transmission mechanism 20 transmitting a driving force of the motor to the output shaft 10; a potentiometer (not shown) that outputs a signal corresponding to the rotational angle position of the output shaft 10; and a case 30, the case 30 housing the motor, the transmission mechanism 20, and the potentiometer.

Here, the motor is provided in the housing 30 such that a rotation shaft is orthogonal to the Z direction, for example, and a screw portion is provided on the rotation shaft.

Further, as shown in fig. 1, the output shaft 10 extends in the Z direction, and protrudes from the housing 30. Specifically, the portion of the output shaft 10 on the Z1 direction side protrudes in the Z direction from the end surface of the housing 30 on the Z1 direction side to be connected to an opening/closing member such as a toilet seat and a toilet lid of a western style toilet, for example, and the portion of the output shaft 10 on the Z2 direction side is housed in the housing 30.

Further, as shown in fig. 2 and 3, the transmission mechanism 20 is provided inside the housing 30. Specifically, the transmission mechanism 20 includes a plurality of gears constituting a reduction gear train, which are rotatable about an axis extending in the Z direction, and in which a primary gear meshes with, for example, a threaded portion provided on a rotary shaft of the motor and a final gear is provided coaxially with the output shaft 10.

The potentiometer includes, for example, a potentiometer gear that meshes with one of a plurality of gears constituting the transmission mechanism 20, and a detection unit that detects a rotational angle position of the potentiometer gear.

Further, as shown in fig. 2 and 3, the housing 30 is elongated when viewed in the direction of the rotation axis L of the output shaft 10. Specifically, as shown in fig. 1, the housing 30 includes a first end wall 31, a second end wall 32, and a cylindrical side wall 33 connecting the first end wall 31 and the second end wall 32, wherein the first end wall 31 is located on the Z2 direction side and has a plate shape in which the thickness direction coincides with the Z direction, the second end wall 32 is located on the Z1 direction side and has a plate shape in which the thickness direction coincides with the Z direction, and the cylindrical side wall 33 has a cylindrical shape, extends in the Z direction, and connects the outer peripheral edge of the first end wall 31 and the outer peripheral edge of the second end wall 32. The motor is provided on one side (Y2 direction side in the illustrated example) in the longitudinal direction of the housing 30, and the potentiometer is provided on the other side (Y1 direction side in the illustrated example) in the longitudinal direction of the housing 30.

As shown in fig. 1 to 3, the housing 30 has a wiring lead-out port 331, a wiring holding unit 40 is provided in the housing 30 at a position close to the wiring lead-out port 331, and the first wiring 51 led out from the motor and the second wiring 52 led out from the potentiometer are led out from the wiring lead-out port 331 to the outside of the housing 30 after the extending directions thereof are changed by the wiring holding unit 40.

As shown in fig. 1 to 3, the wiring lead-out port 331 is provided on a side wall (in the illustrated example, the side wall is parallel to the Y direction) on one side (in the illustrated example, the X1 direction side) in the width direction (in the illustrated example, the X direction) of the housing 30 orthogonal to the longitudinal direction of the elongated shape (in the illustrated example, the side wall may be formed to be inclined with respect to the Y direction, or may be formed in another shape).

As shown in fig. 2 and 3, the wire holding portion 40 has a plate shape with side surfaces to which the first wire 51 and the second wire 52 are brought into contact, and has a wire passage groove 41 through which the first wire 51 and the second wire 52 pass. Specifically, the wire holding portion 40 extends in the Z direction from a partition plate that divides the inside of the housing 30 into a space in which the motor is disposed and a space in which the transmission mechanism 20 is disposed, for example.

As shown in fig. 2 and 3, a partition 60 is provided in the housing 30, and the partition 60 partitions the first wiring 51 and the second wiring 52 from the transmission mechanism 20. Specifically, a plate-shaped partition portion 60 extending along the outer peripheral contour of the plurality of gears constituting the transmission mechanism 20 is provided in the housing 30, and the partition portion 60 extends in the Z direction from, for example, a partition plate that divides the interior of the housing 30 into a space in which the motor is disposed and a space in which the transmission mechanism 20 is disposed.

Further, as shown in fig. 2 and 3, at least a part of the first wiring 51 and at least a part of the second wiring 52 are sandwiched between the wiring holding portion 40 and the partition portion 60. The housing 30 is provided with a plate-like portion (for example, a partition plate that divides the inside of the housing 30 into a space in which the motor is disposed and a space in which the transmission mechanism 20 is disposed) that restricts the first wiring 51 and/or the second wiring 52 from the rotational axis direction of the output shaft 10.

The first wiring 51 and the second wiring 52 are provided in plural numbers, and the plural first wirings 51 led from the motor and the plural second wirings 52 led from the potentiometer are gathered at the wiring holding portion 40 and extended in parallel. Specifically, two first wires 51 and three second wires 52 are provided, and the two first wires 51 and the three second wires 52 are collected in the wire holding portion 40 and extended along the surface of the wire holding portion 40 facing the partition portion 60 (in the illustrated example, the second wire 52 is in contact with the first wire 51 from the Z1 direction side), and then led out to the opposite side of the wire holding portion 40 from the partition portion 60 via the wire passage groove 41, and further led out to the outside of the housing 30 via the wire lead-out opening 331.

As shown in fig. 1 to 3, a connector 70 is connected to ends of the plurality of first wires 51 and the plurality of second wires 52, which are drawn out from the wire drawing port 331.

(main technical effects of the present embodiment)

According to the drive device 1 of the present embodiment, the housing 30 has the wiring lead-out port 331, the wiring holding portion 40 is provided in the housing 30 at a position close to the wiring lead-out port 331, and the first wiring 51 led out from the motor and the second wiring 52 led out from the potentiometer are led out from the wiring lead-out port 331 to the outside of the housing 30 after the extending direction is changed by the wiring holding portion 40; therefore, unlike the case where the connector portion with the connector terminal is integrally formed with the housing, the arrangement is easily restricted by the connector portion, the degree of freedom of mounting is high, and it is not necessary to prepare a connector set with connector housings at both ends when supplying power to the motor and the potentiometer, which results in low cost; moreover, unlike the case where the substrate needs to be soldered to the connector terminal, the solder does not need to be removed during maintenance, and maintenance work is easy to perform; in addition, when the electric vehicle is mounted, even if external force is applied to the first wire 51 and the second wire 52, the external force is easily blocked by the wire holding portion 40, and is not easily transmitted to the connection portion between the first wire 51 and the motor and the connection portion between the second wire 52 and the potentiometer, so that damage to these connection portions can be easily avoided.

Further, according to the drive device 1 of the present embodiment, since the wire holding portion 40 has the wire passage groove 41 through which the first wire 51 and the second wire 52 pass, when external force is applied to the first wire 51 and the second wire 52 during mounting, the external force is more likely to be blocked by the wire holding portion 40, and is less likely to be transmitted to the connection portion between the first wire 51 and the motor and the connection portion between the second wire 52 and the potentiometer, and damage to these connection portions is more likely to be avoided.

Further, according to the drive device 1 of the present embodiment, since the partition 60 is provided in the housing 30 and the partition 60 partitions the first wire 51 and the second wire 52 from the transmission mechanism 20, it is possible to avoid damage to the first wire 51 and the second wire 51 and failure of the transmission mechanism 20 caused by the first wire 51 and the second wire 52 being wound into the transmission mechanism 20.

The present invention has been described above by way of example with reference to the accompanying drawings, and it is to be understood that the specific implementations of the present invention are not limited to the above-described embodiments.

In the above-described embodiment, the wire holding portion 40 has the wire passage groove 41 through which the first wire 51 and the second wire 52 pass, but is not limited to this, and the wire holding portion 40 may have the wire passage groove 41 through which only one of the first wire 51 and the second wire 52 passes, or may be provided with a wire passage hole instead of the wire passage groove 41, or may omit the wire passage groove or the wire passage hole, for example, as shown in fig. 4, the first wire 51 drawn from the motor and the second wire 52 drawn from the potentiometer are drawn out from the wire drawing port 331 of the housing 30 to the outside of the housing 30 while changing the extending direction by bypassing the side end portion of the plate-shaped wire holding portion 40A.

In the above embodiment, the wire holding portion 40 has a plate shape with side surfaces against which the first wire 51 and the second wire 52 are brought into contact, but the shape of the wire holding portion 40 is not limited to this, and may be set as appropriate as needed.

In the above embodiment, the partition portion 60 is provided in the housing 30, the partition portion 60 partitions the first wiring 51 and the second wiring 52 from the transmission mechanism 20, and the housing 30 is provided with the plate-like portion that restricts the first wiring 51 and/or the second wiring 52 from the rotational axis direction of the output shaft 10, but the present invention is not limited thereto, and the partition portion 60 and the plate-like portion may be provided in any shape as needed, and in some cases, the partition portion 60 and the plate-like portion may be omitted.

Further, in the above-described embodiment, the housing 30 has a long shape when viewed in the direction of the rotation axis L of the output shaft 10, and the wiring lead-out port 331 is provided on one side wall of the housing 30 in the width direction orthogonal to the long length direction of the long shape, but the present invention is not limited thereto, and the shape of the housing 30 and the position where the wiring lead-out port 331 is provided may be appropriately selected as necessary.

Further, in the above-described embodiment, the motor is provided on one side in the longitudinal direction of the housing 30, and the potentiometer is provided on the other side in the longitudinal direction of the housing 30, but the present invention is not limited thereto, and the positions where the motor and the potentiometer are provided may be appropriately adjusted as necessary.

In the above embodiment, the connector 70 is connected to the ends of the plurality of first wires 51 and the plurality of second wires 52 drawn out from the wire drawing port 331, but the present invention is not limited to this, and the connector 70 may not be provided in some cases.

Further, the drive device 1 of the above embodiment may be applied to a western-style toilet having a toilet main body, a toilet seat, and a toilet lid, for example, by driving the toilet seat and/or the toilet lid to open and close with respect to the toilet main body by the drive device 1.

It should be understood that the present invention can freely combine the embodiments within its scope, or can suitably modify or omit the embodiments.

Claims (10)

1. A drive device has: an electric motor; an output shaft; a transmission mechanism that transmits a driving force of the motor to the output shaft; a potentiometer that outputs a signal corresponding to a rotational angle position of the output shaft; and a housing that houses the motor, the transmission mechanism, and the potentiometer, wherein the transmission mechanism is provided with a transmission shaft,

the shell is provided with a wiring outlet,

a wiring holding part is arranged at a position close to the wiring leading-out opening in the shell,

the first wire drawn from the motor and the second wire drawn from the potentiometer are drawn out from the wire drawing port to the outside of the housing after the extension direction is changed by the wire holding portion.

2. The drive of claim 1,

the wiring holding part is provided with a wiring groove or a wiring hole for the first wiring and/or the second wiring to pass through.

3. The drive of claim 1,

a partition part is arranged in the shell body,

the partition portion partitions at least one of the first wiring and the second wiring from the transmission mechanism.

4. The drive of claim 3,

at least a part of the first wiring is sandwiched between the wiring holding portion and the partition portion,

and/or the presence of a gas in the gas,

at least a part of the second wiring is sandwiched between the wiring holding portion and the partition portion.

5. The drive of claim 1,

the wiring holding portion has a plate shape with a side surface against which the first wiring and the second wiring are brought into contact.

6. The drive of claim 1,

the housing is elongated when viewed in the direction of the axis of rotation of the output shaft,

the wiring leading-out port is arranged on the side wall of one side of the shell in the width direction orthogonal to the length direction of the long strip.

7. The drive of claim 6,

the motor is provided on one side of the housing in the longitudinal direction,

the potentiometer is disposed on the other side of the housing in the length direction,

a plurality of first wirings and a plurality of second wirings are respectively arranged,

the plurality of first wires drawn from the motor and the plurality of second wires drawn from the potentiometer converge at the wire holding portion and extend side by side.

8. The drive of claim 1,

at the wire holding portion, the first wire and the second wire are aligned in a rotational axis direction of the output shaft,

a partition portion that partitions the first wiring and the second wiring from the transmission mechanism is provided in the case,

the wire holding portion and the partition portion sandwich the first wire and the second wire from both sides in a direction orthogonal to a rotational axis direction of the output shaft,

the housing is provided with a plate-like portion that restricts the first wiring and/or the second wiring from a rotational axis direction of the output shaft.

9. The drive of claim 1,

a connector is connected to an end of each of the first and second wires, which is drawn out from the wire drawing port.

10. A western-style toilet bowl is provided with a toilet bowl main body, a toilet seat ring and a toilet bowl cover and is characterized in that,

having a drive device according to one of claims 1 to 9,

the driving device drives the toilet seat and/or the toilet cover to open and close relative to the toilet main body.

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