WO2007129461A1

WO2007129461A1 - Toilet seat lifting device

Info

Publication number: WO2007129461A1
Application number: PCT/JP2007/000459
Authority: WO
Inventors: Kenichi Hoshina; Tsunaki Ito
Original assignee: Nidec Sankyo Corporation; Inax Corporation
Priority date: 2006-04-27
Filing date: 2007-04-25
Publication date: 2007-11-15
Also published as: JPWO2007129461A1

Abstract

A toilet lifting device (1) where a forward tilt of a stationary member is prevented even if a load is applied on a toilet seat unit while it is lifted. A resin cover (3) surrounding a space in which a slider (5) moves has leg-like forward tilt prevention sections (36, 37) extending downward from front face sections of side walls (32, 33). The forward tilt prevention sections (36, 37) extend below a connection section (2), and this makes it possible that, even if a downward load is applied to the toilet seat unit while it is lifted, the load is supported by the forward tilt prevention sections (36, 37). Accordingly, the stationary member (20) does not tilt forward, so that breakage of the connection section between a toilet body (11) and the connection section (2) is avoided.

Description

Specification

Toilet seat lifting device

Technical field

The present invention relates to a toilet seat lifting / lowering device for lifting / lowering a toilet seat of a western style toilet.

Background art

[0002] In a Western-style toilet, the toilet seat and the toilet lid rotate around the back, resulting in a prone posture and a standing posture. For this reason, even if you try to clean the back of the toilet bowl upper surface, there is only a very narrow gap between the toilet bowl and the toilet seat, and you cannot reach even if you want to clean that part. Therefore, a toilet seat lifting and lowering device has been devised that can make the toilet seat unit float from the toilet body (see, for example, Patent Documents 1 and 2).

[0003] The toilet seat lifting devices described in these patent documents are each of a manual type and an electric type. However, as shown in Fig. 5, both toilet seat lifting devices are generally fixed to the toilet body main body 1 2 The fixed plate 1 0 2 from which the vertical plate 1 2 2 stands from 1 and the inverted L-shaped stopper plate 1 0 8 fixed to the upper end of the vertical plate 1 2 2 of the fixed plate 1 0 2 The fixed side member 10 0 0 is composed of two cylindrical guide shafts 1 4 1 and 1 4 2 spanned between the fixed plate portion 1 2 1 of the fixed plate 10 2. A slider 1 0 5 is supported on the guide shafts 14 1 and 14 2. A movable plate 10 6 is attached to the front surface of the slider 10 5, and a toilet seat unit is attached to the upper surface of the horizontal plate portion of the movable plate 10 6. Therefore, if the slider 105 is raised, the toilet seat unit can be lifted from the toilet body.

Patent Document 1: Japanese Patent Laid-Open No. 2 065 _ 6 3 5

Patent Document 2: Japanese Patent Application Laid-Open No. 2 0 0 5 _ 2 1 8 5 5 4

Disclosure of the invention

Problems to be solved by the invention [0004] However, in the conventional toilet seat lifting device, the load applied to the slider 10 0 5 is supported only by the bending rigidity of the fixed plate 1 0 2, so that the toilet seat When a load is applied, there is a problem that the fixed side member 100 tilts forward and the connecting portion between the toilet body and the fixed plate portion 1 2 1 is damaged.

[0005] In addition, in the conventional toilet seat lifting and lowering device, the sides of the guide shafts 14 1 and 14 2 and the slider 10 5 are exposed, so that these members are prevented from being soiled, waterproof, and toilet flushing chemicals. In order to protect this, it is necessary to provide a special cover. As a result, there is a problem that the installation man-hours and the number of parts increase.

[0006] In view of the above problems, an object of the present invention is to raise and lower a toilet bowl that can prevent the fixed-side member from tilting forward even when a load is applied to the toilet seat unit while the toilet seat unit is floating. To provide an apparatus.

[0007] Next, an object of the present invention is to provide a toilet lifting / lowering device capable of preventing the fixed-side member from being tilted forward and preventing the guide shaft and the slider from being soiled and waterproofing with a simple configuration. Ah .

Means for solving the problem

[0008] In order to solve the above-mentioned problems, in the present invention, a connection part connected to a Western-style toilet body, a fixed-side member provided with a guide member rising from the connection part, and the guide member A toilet seat lifting and lowering device in which a toilet seat unit is connected to the front of the slider, and the fixed side member is on the upper surface of the toilet body in front of the connecting portion. It is characterized by comprising a forward tilt prevention part that prevents forward tilt of the stationary member by abutting.

[0009] In the present invention, the forward tilt prevention portion that abuts the upper surface of the toilet bowl body is provided in front of the connecting portion with respect to the fixed side member that supports the slider to which the toilet seat unit is connected. The fixed side member does not tilt forward even if a downward load is applied to the toilet seat unit. Therefore, it is possible to avoid damage to the connecting portion between the toilet body and the connecting portion.

[0010] In the present invention, the forward tilt prevention portion extends to a position below the connection portion. A configuration can be adopted. With such a configuration, even when fixed to the upper surface of the stepped portion on the toilet body, it is possible to prevent the fixed-side member from tilting forward.

[001 1] In the present invention, the fixed side member includes a cover including a back wall surrounding the space in which the slider moves, a pair of side walls on both the left and right sides, and an upper surface wall, and the guide member includes: Preferably, the guide shaft has an upper end portion and a lower end portion supported on each of the upper surface wall of the connecting portion and the cover, and the forward tilt prevention portion is preferably configured as the cover. With this configuration, the cover can be provided with a forward-tilt prevention portion, so that the fixed-side member can be prevented from being forward-tilted, the guide member can be prevented from becoming dirty, waterproof, and protected from the toilet flushing agent. You can.

[0012] In the present invention, the forward tilt prevention portion is downward from each of the pair of side walls.

Two are preferred. If comprised in this way, the forward inclination of a stationary-side member can be prevented reliably.

[0013] In the present invention, it is preferable to use a cover integrally formed by resin molding. If comprised in this way, the cover provided with the forward inclination prevention part can be comprised cheaply.

Brief Description of Drawings

[FIG. 1] (a) and (b) are respectively an explanatory view of a toilet unit using the toilet seat lifting apparatus to which the present invention is applied, in a state where the toilet seat unit is lowered, and the toilet seat unit is attached to the toilet body. It is explanatory drawing which shows the state lifted from.

[FIG. 2] (a) and (b) are respectively a perspective view of a toilet seat lifting / lowering device to which the present invention is applied as viewed obliquely from the front, and a perspective view of a fixed side member as viewed from obliquely forward with the movable plate slider removed. .

[Fig. 3] (a) to (d) are views of the longitudinal section of the toilet seat lifting device to which the present invention is applied, as viewed from the front when the slider is in the lower position when the guide shaft is cut. Explanatory drawing of the above, explanatory drawing when the longitudinal section when the state where the slider is in the lower position is cut at the position where the guide shaft passes is seen from the side, the slider Explanatory drawing when the longitudinal section is cut from the front when the guide shaft passes through the upper position, and when the guide shaft passes through when the slider is in the upper position It is explanatory drawing when a vertical cross section is seen from the side.

[FIG. 4] (a) to (f) are respectively formed on a perspective view, a front view, a right side view, a bottom view, and a top wall of a force bar used in a toilet seat lifting apparatus to which the present invention is applied. They are a longitudinal cross-sectional view when cut at a position passing through the shaft hole, and a vertical cross-sectional view when cut at a portion passing through the side wall.

FIG. 5 is an explanatory diagram of a conventional toilet seat lifting device.

Explanation of symbols

1 Toilet seat lifting device

2 Connecting part

3 Cover

5 Slider

6 Movable plate

7 Air damper device (auxiliary device)

8 Assist spring (auxiliary device)

4 1, 4 2-"Guide shaft (guide member)

1 0 ■ ■ Toilet seat unit

2 0 ■ • Fixed side member

3 1-■ Back wall of the cover

3 2, 3 3 ■ ■ Side wall of the cover

3 4 ■ ■ Top wall of the cover

3 6, 3 7

7 1 -Cylinder

7 2 ■ ■ Business

9 1-■ First stopper

9 2 ■ ■ Second stopper

BEST MODE FOR CARRYING OUT THE INVENTION [001 6] An example of a toilet seat lifting / lowering apparatus to which the present invention is applied will be described with reference to the drawings.

[001 7] (Composition of Western toilet unit)

Figs. 1 (a) and (b) are illustrations of a toilet unit that uses the toilet seat lifting device to which the present invention is applied, in a state where the toilet seat unit is lowered, and a state in which the toilet seat unit is lifted from the toilet body. It is explanatory drawing which shows.

[0018] As shown in Fig. 1 (a), a western-style toilet unit according to this embodiment includes a western-style toilet main body 1 1, a toilet seat 1 2 that is opened and closed on the toilet body 1 1 1, and the toilet seat 1 2 The toilet seat 1 2 and the toilet lid 1 3 are rotated around the back to be in a prone posture and a standing posture. The toilet seat 1 2 and the toilet lid 13 are integrated as a toilet seat unit 10, and this toilet seat unit 10 has a speed at which the toilet seat 1 2 and the toilet lid 13 are flattened by their own weight as necessary. In some cases, there are built-in damper devices that relieve pressure and electric devices that electrically open and close the toilet lid. As shown in Fig. 1 (b), the toilet seat 12 (toilet seat unit 10) is manually lifted from the toilet body 11 and the upper surface of the toilet body 11 is pushed all the way into the western toilet unit of this form. A toilet seat lifting / lowering device 1 that can be cleaned is configured.

[001 9] (Configuration of toilet seat lifting device)

FIGS. 2 (a) and 2 (b) are a perspective view of the toilet seat lifting / lowering device to which the present invention is applied as seen from the oblique front, and a perspective view of the stationary plate member as seen from the front by removing the movable plate slider. . Figs. 3 (a) to (d) are views of a longitudinal section of the toilet seat lifting / lowering device to which the present invention is applied, as viewed from the front when the slider is in the lower position and cut at the position where the guide shaft passes. Explanatory drawing, explanatory drawing when the longitudinal section is seen from the side when the slider is in the lower position at the position where the guide shaft passes, cut at the position where the guide shaft passes when the slider is in the upper position FIG. 6 is an explanatory diagram when the vertical cross section is viewed from the front, and an explanatory diagram when the vertical cross section is viewed from the side when the slider is in the upper position and is cut at a position where the guide shaft passes. 4 (a) to (f) are respectively a perspective view, a front view, a right side view, a bottom view, and a shaft hole formed in the top wall of the cover used in the toilet seat lifting apparatus to which the present invention is applied. Longitudinal section when cut at the passing position, It is a longitudinal cross-sectional view when it cut | disconnects in the part which passes along a side wall.

[0020] As shown in Fig. 2 (a), (b) and Fig. 3 (a), (b), the toilet seat lifting / lowering device 1 of the present embodiment is an upper surface portion of the toilet main body 11 (see Fig. 1). A fixed part 20 including a connecting part 2 connected to the guide part, guide shafts 4 1 and 4 2 (guide members) rising from the connecting part 2, and a resin cover 3; A slider 5 is supported on the guide shafts 4 1 and 4 2 so as to be movable up and down.

[0021] The connecting portion 2 includes a SUS-made seat plate 2 1 fixed to the upper surface of the toilet body 1 1 with a screw and the like, and four support columns 2 2 rising from the seat plate 2 1. 2 The upper end of 2 is connected to the cover 3. Therefore, the height position of the toilet seat lifting / lowering device 1 can be adjusted by changing the length of the support 22 or the thickness of the seat plate 21. The height position of the toilet seat lifting / lowering device 1 may be adjusted by inserting a resin spacer between the seat plate 21 and the toilet body 11.

[0022] The cover 3 includes a back wall 3 1 surrounding a space in which the slider 5 moves, a pair of side walls 3 2, 3 3 and a top wall 3 4 on both the left and right sides, and a guide shaft 4 1, The lower end and the upper end of 4 2 are supported by shaft holes formed in the seat plate 21 and the upper surface wall 3 4 of the cover 3, respectively.

[0023] Slider 5 has guide holes 5 1 1 and 5 2 into which guide shafts 4 1 and 4 2 are inserted.

1, bearing portions 5 1, 5 2, and top plate portions 5 3 that connect the upper end portions of these bearing portions 5 1, 5 2. In addition, an L-shaped movable plate 6 is attached to the front surface of the slider 5.

[0024] The movable plate 6 includes a horizontal plate portion 60 to which the toilet seat unit 10 is attached, and a vertical plate portion 6 1 bent from the end of the horizontal plate portion 60. The vertical plate portion 61 is It is the connecting part with the slider 5. Here, as shown in FIG. 3 (b), a shallow concave portion 63 is formed on the outer surface side of the bent portion of the horizontal plate portion 60 and the vertical plate portion 61. For this reason, in a state where the L-shaped metal reinforcing plate 65 is embedded in the recess 63, the vertical plate portion 61 and the front portion of the slider 5 are fixed with the screw 66, and the vertical plate portion The movable plate 6 is fixed to the slider 5 by fastening 6 1 and the reinforcing plate 6 5 with screws 6 7. Also, A small hole 6 0 1 is formed on the lower surface of the horizontal plate portion 60, while a small protrusion 6 5 1 that fits into the small hole 6 0 1 is formed on the horizontal plate portion of the reinforcing plate 6 5. The movable plate 6 and the reinforcing plate 65 are positioned by 1 and the small protrusions 6 5 1. In order to position the movable plate 6 and the reinforcing plate 65, a small protrusion is formed on the lower surface of the horizontal plate portion 60, while a small hole is formed in the horizontal plate portion of the reinforcing plate 65. Also good.

[0025] (Configuration of stopper)

Again, as shown in FIGS. 2 (a), (b), FIG. 3 (b), and FIGS. 4 (a), (b), (e), the left and right bearing portions 5 1, 5 2 of the slider 5 Square holes 5 5 are opened in portions of the cover 3 facing the rear wall 3 1. In each of these square holes 55, an engaging member 95 is disposed so as to be able to advance and retreat in the horizontal direction, and at the back, the engaging member 95 is attached toward the rear wall 31 of the connecting portion 2. A spring 9 7 is arranged.

In contrast, the rear wall 31 of the cover 3 has a distal end of the engagement member 95 at a lower position on the line through which the engagement member 95 passes when the slider 5 is moved up and down. The lower opening 3 11 into which the part enters is formed on the left and right, while the upper opening 3 1 2 into which the distal end of the engaging member 95 enters is formed in a pair on the upper side.

[0027] Therefore, the engaging member 95 and the spring 9 7 on the slider 5 side and the lower opening 3 1 1 formed in the back wall 3 1 of the cover 3 are used when the toilet seat unit 10 is lowered. It functions as a first stopper 9 1 that defines the holding position of the slider 5. Further, the engaging member 95 and the spring 9 7 on the slider 5 side and the upper opening 3 1 2 formed on the rear wall 31 of the cover 3 are the holding positions of the slider 5 when the toilet seat unit 10 is raised. It functions as the second stopper 9 2 that prescribes.

[0028] The inner surface of the rear wall 3 1 of the cover 3 has a mirror-finished area (the area hatched in Fig. 4 (b)) sandwiched between the lower opening 3 1 1 and the upper opening 3 1 2 As a result, the surface is smoother than other regions, and the slidability of the engaging member 95 is enhanced.

[0029] (Configuration of auxiliary device) As shown in FIG. 3 (a), in the toilet seat lifting / lowering device 1 of this embodiment, when the toilet seat unit 10 is lowered between the seat plate 21 of the connecting portion 2 and the top plate portion 53 of the slider 5. In addition, an air damper mechanism 7 (auxiliary device) that exerts resistance against the slider 5 is disposed.

In configuring this air damper mechanism 7, in this embodiment, a slider

A cylindrical cylinder 7 1 extends from the lower surface of the top plate portion 5 3 toward the seat plate 2 1, while the cylinder 7 1 extends from the lower end opening of the cylinder 7 1 to the seat plate 2 1 of the connecting portion 2. A biston 7 2 extending to the back in 1 is mounted in an upright position. A large-diameter head 74 is formed at the upper end of the piston 72. In the head 7 4, an O-ring 7 5 is attached in the circumferential groove, and in the cylinder 7 1, a sealed space 7 3 is constituted by the head 7 4. In addition, an air hole 7 6 communicating with the sealed space 73 is formed in the top plate portion 53 corresponding to the back end surface of the cylinder 71.

Furthermore, in this embodiment, an assist spring 8 (biasing means assisting device) made of a compression coil spring is disposed between the seat plate 21 of the connecting portion 2 and the top plate portion 53 of the slider 5. Yes. The assist spring 8 has an upper end fixed to the top plate portion 53 of the slider 5 and a lower end fixed to the seat plate 21. The assist spring 8 is coaxially arranged around the cylinder 71 1, and the cylinder 71 also serves as a guide portion of the assist spring 8.

[0032] (Configuration of forward tilt prevention unit)

As shown in FIGS. 2 (a), (b), 3 (b), and 4 (a) to (f), in the cover 3 used in the toilet seat lifting / lowering device 1 of this embodiment, the side wall 3 2, 3 3 has a trapezoidal shape with the front side of the hypotenuse. Further, in each of the two side walls 3 2 and 3 3, leg-shaped forward tilt preventing portions 3 6 and 3 7 extend downward from the front surface portion. Here, the forward tilt prevention parts 3 6 and 3 7 extend to a position below the connecting part 2, and the forward tilt prevention parts 3 6 and 3 7 and the toilet body 1 1 are provided on the bottom surfaces 3 6 0 and 3 70. Holes 3 6 1 and 3 7 1 for screwing are formed.

[0033] (Usage and Operation) The toilet seat lifting / lowering device 1 according to the present embodiment configured as described above includes a connecting portion 2 in the toilet body 11 as shown in FIGS. 1 ( _a ), (b), and FIGS. Secure to the step 1 1 1 with screws. Here, the step 1 1 1 is formed by a step formed on the toilet body 1 1 itself or a step formed by a spacer attached to the toilet body 1 1. When the toilet seat lifting / lowering device 1 is attached to the toilet main body 1 1 in this way, the bottom surfaces 3 6 0 and 3 7 0 of the forward tilt prevention portions 3 6 and 3 7 extending downward from the front portion of the cover 3 are It touches the lower part of 1 1 1 2. Therefore, in this state, the toilet body 1 1 and the forward tilt prevention portions 3 6 and 3 7 are screwed. Further, the toilet seat unit 10 is connected to the slider 5 via the movable plate 6.

[0034] During normal use, as shown in Fig. 1 (a) and Fig. 2 (a), (b), the toilet seat unit 10 is used in a lowered state. In this state, the engaging member 95 formed on the slider 5 is fitted into the lower opening 3 11 formed on the back wall 31 of the cover 3 to hold the toilet seat unit 10 at the lower position. In this state, as shown in FIGS. 3 (a) and (b), the auxiliary devices such as the air damper mechanism 7 and the assist spring 8 are housed in the slider 5 and appear above the slider 5. Not.

[0035] On the other hand, when cleaning the back of the toilet body 1 1 1

1 Lift up 0. As a result, the engaging member 95 is disengaged from the lower opening 3 11, and the slider 5 rises together with the toilet seat unit 10 as shown in FIGS. 3 (c) and 3 (d). For this reason, the engaging member 95 is fitted into the upper opening 3 1 2 and holds the toilet seat unit 10 in the upper position. In this state, since the back of the toilet body 11 is in an open state, cleaning can be performed easily. In this state, auxiliary devices such as the air damper mechanism 7 and the assist spring 8 are partially exposed from between the connecting portion 2 and the slider 5.

[0036] (Main effects of this embodiment)

As described above, the fixed-side member 20 used in the toilet seat lifting / lowering device 1 according to the present embodiment includes the forward tilt prevention portions 3 6 and 3 7 that come into contact with the upper surface of the toilet main body 11 in front of the connecting portion 2. Therefore, as shown in FIG. 1 (b), even if a downward load is applied to the toilet seat unit 10 in a floating state, the forward tilt prevention portions 3 6 and 3 7 support the load. Therefore, since the fixed side member 20 does not tilt forward, it is possible to avoid damage to the connecting portion between the toilet body 11 and the connecting portion 2 and improve safety and durability.

[0037] In addition, since the forward tilt blocking portions 3 6 and 3 7 are formed on the resin-molded cover 3, the forward tilt blocking portions 3 6 and 3 7 can be configured without adding new members. can do.

Furthermore, in this embodiment, the cover 3 surrounding the space in which the slider 5 moves is used, and the cover 3 covers the side surface of the space in which the slider 5 moves. For this reason, the guide shafts 4 1 and 4 2 can be prevented from being contaminated in the normal use state shown in FIGS. 3 (a) and 3 (b). In addition, as shown in FIGS. 3 (c) and (d), when the slider 5 is raised, some of the auxiliary devices such as the air damper mechanism 7 and the assist spring 8 are not connected between the connecting portion 2 and the slider 5. Even if it is exposed from the guide, it is possible to prevent the guide shafts 41, 42, and the slider 5 from being soiled, waterproof, and protected from chemicals for toilet cleaning.

[0039] Further, the cover 3 is not merely for protection, but also supports the guide shafts 4 1 and 4 2 and functions to form the stoppers 9 1 and 9 3 by the openings 3 1 1 and 3 1 2. The toilet seat lifting device 1 is provided from the beginning. For this reason, when the toilet seat lifting / lowering device 1 is used in a Western-style toilet unit, unlike the case where a cover is separately provided, the number of installation steps and the number of parts do not increase.

[0040] (Other Embodiments)

In the above embodiment, the compression coil spring (assist spring 8) is used as the urging means for always urging the toilet seat upward, but various springs such as a bow I tension coil spring may be used.

[0041] In the damper mechanism 7 used in the above embodiment, the cylinder 71 is formed on the slider 5 side, and the piston 72 is formed on the connecting portion 2. However, the piston 7 is formed on the slider 5 side. And a cylinder may be formed on the connecting portion 2 side. Industrial applicability

In the present invention, the forward-side tilt prevention portion that contacts the upper surface of the toilet body is formed in front of the connecting portion with respect to the fixed-side member that supports the slider to which the toilet seat unit is connected. The fixed side member does not tilt forward even when a load is applied to the unit. Therefore, it is possible to avoid damage to the connecting portion between the toilet body and the connecting portion, and to improve safety and durability.

Claims

The scope of the claims

[1] A connecting portion connected to the western-style toilet body, a fixed side member having a guide member rising from the connecting portion, and a slider configured to be movable up and down along the guide member. In the toilet seat lifting / lowering device in which a toilet seat unit is connected to the front of the slider,

The toilet seat lifting and lowering device characterized in that the fixed side member includes a forward tilt prevention portion that prevents the forward tilt of the fixed side member by contacting the upper surface of the toilet body in front of the connecting portion. .

[2] The toilet seat lifting and lowering device according to [1], wherein the forward tilt prevention part extends to a position below the connecting part.

[3] The fixed side member includes a back wall surrounding the space in which the slider moves, a pair of side walls on both the left and right sides, and a cover including a top wall.

The guide member is a guide shaft having an upper end portion and a lower end portion supported on each of the connection portion and the upper surface wall of the cover,

The forward tilt prevention part is configured in the cover.

The toilet seat lifting apparatus according to 1 or 2.

4. The toilet seat lifting / lowering device according to claim 3, wherein the forward tilt prevention portion extends two downward from each of the pair of side walls.

[5] The toilet seat lifting / lowering device according to claim 3, wherein the cover is integrally formed by resin molding.