WO2007129460A1

WO2007129460A1 - Toilet seat lifting device

Info

Publication number: WO2007129460A1
Application number: PCT/JP2007/000458
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: JPWO2007129460A1

Abstract

A toilet seat lifting device (1) where, in order to realize stain - and water-proofing of guide shafts (41, 42) and a slider (5) by a simple construction, a cover (3) surrounding a space where the slider (5) moves is provided. Also, even if portions of auxiliary devices such as an air damper mechanism (7) and an assist spring (8) are exposed between a connection section (2) and the slider (5) when the slider (5) is lifted, the auxiliary devices are protected against stains, water, and a toilet bowl cleaning agent. A cover (3) is provided not only for the protective purpose but also for a function as a support for the guide shafts (41, 42) and a function to form stoppers (91, 93) by openings (311, 312).

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 and lowering device, the sides of the guide shafts 14 1 and 14 2 and the slider 1 0 5 are exposed. It is necessary to provide a special cover separately to protect against damage. As a result, there is a problem that the installation man-hour and the number of parts increase.

[0005] In view of the above problems, an object of the present invention is to provide a toilet lifting / lowering device capable of preventing the guide shaft and the slider from being soiled and waterproofing with a simple configuration. Means for solving the problem

[0006] 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 / lowering device connected to the front of the slider, wherein the slider is disposed between the slider and the connecting portion. The auxiliary device includes at least one of an urging device that urges the slider and a damper device that generates resistance when the slider descends, and the auxiliary device includes the slider at a lower position. In some cases, the slider is housed in the slider. On the other hand, when the slider is in the upper position, a part of the slider appears between the slider and the connecting portion. Ida is characterized that you have a cover that includes the back wall surrounding a space for movement, the right and left sides of the pair of side walls, and a top wall.

[0007] In the present invention, the space in which the slider moves is surrounded by a cover, so that the guide member can prevent the slider from being soiled, waterproof, and protected from the toilet flushing agent. Also, since the cover was provided from the beginning, the installation man-hours and the number of parts did not increase, unlike when a separate cover was provided. Furthermore, even when a configuration is adopted in which a part of the auxiliary device appears between the slider and the connecting portion when the slider is in the upper position, the auxiliary device is prevented from being contaminated, waterproof, and protected from toilet flushing chemicals. It can be performed.

[0008] In the present invention, the guide member includes, for example, the connecting portion and the cover. A guide shaft having a lower end and an upper end supported on each of the upper surface walls.

[0009] In the present invention, the slider may include an engaging member that is biased toward the back side. In this case, when the slider moves up and down on the back wall of the cover, It is preferable that an opening engageable with the engaging member is formed in each of an upper position and a lower position on a line through which the joint member passes. If comprised in this way, a stagger can be comprised using the opening formed in the back wall of a cover.

Brief Description of Drawings

[0010] [Fig. 1] (a) and (b) are respectively an explanatory view of a toilet unit using the toilet seat lifting device 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 figure, 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, cutting the position where the slider is in the upper position at the position where the guide shaft passes 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.

[FIG. 4] (a) to (f) are formed on a perspective view, a front view, a right side view, a bottom view, and a top wall, respectively, 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

[001 1] 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 2] 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 3] (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.

[0014] As shown in FIG. 1 (a), the Western-style toilet unit of the present 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 13 are rotated around the back to be in a prone posture and a standing posture. The toilet seat 1 2 and the toilet lid 1 3 are integrated as a toilet seat unit 10, and in this toilet seat unit 10, If necessary, a damper device that reduces the speed when the toilet seat 1 2 and the toilet lid 13 are flattened by its own weight and an electric device that electrically opens and closes the toilet lid may be incorporated. As shown in Fig. 1 (b), the toilet seat 12 (toilet seat unit 10) is manually lifted from the toilet body body 11 and the upper surface of the toilet body 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 5] (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. . 3 (a) to 3 (d) are views of the 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 when the guide shaft is cut. 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 perspective views, front views, right side views, bottom views, and shaft holes formed on the top wall, respectively, of the cover used in the toilet seat lifting apparatus to which the present invention is applied. FIG. 4 is a longitudinal sectional view when cut at a passing position, and a longitudinal sectional view when cut at a portion passing through a side wall.

[001 6] As shown in FIGS. 2 (a), (b) and FIGS. 3 (a), (b), the toilet seat lifting / lowering device 1 of the present embodiment is an A fixed part 20 including a connecting part 2 connected to the part, guide shafts 4 1 and 4 2 (guide members) rising from the connecting part 2 and a resin cover 3. The slider 5 is supported on the guide shafts 4 1 and 4 2 so as to be movable up and down.

[001 7] The connecting part 2 is a seat plate made of SUS that is fixed to the upper surface of the toilet body 1 1 with screws or the like

2 1 and four columns 2 2 rising from the seat plate 2 1 are provided, and the upper end of the column 2 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 column 2 2 and the thickness of the seat plate 2 1. Can do. 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.

[0018] The cover 3 includes a rear 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.

[0019] 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.

[0020] 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. Further, a small hole 6 0 1 is formed on the lower surface of the horizontal plate portion 60, while a small projection 6 5 1 that fits into the small hole 6 0 1 is formed on the horizontal plate portion of the reinforcing plate 65. The movable plate 6 and the reinforcing plate 6 5 are positioned by 6 0 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.

[0021] (Composition 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. These square holes In each of 5 5, an engagement member 9 5 is disposed so as to be able to advance and retreat in the horizontal direction, and in the back thereof, a spring 9 that biases the engagement member 9 5 toward the rear wall 3 1 of the connecting portion 2. 7 is arranged.

On the other hand, on the rear wall 31 of the cover 3, the tip of the engagement member 95 is positioned below 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.

[0023] For this reason, 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.

[0024] The inner surface of the back 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.

[0025] (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. Head 7 4 has O-ring 7 5 installed in the circumferential groove, and cylinder 7 1 has A sealed space 7 3 is formed by the heads 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) composed 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.

[0028] (Configuration of forward tilt prevention portion)

As shown in FIGS. 2 (a), (b), FIG. 3 (b), and FIGS. 4 (a) to (f), 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.

[0029] (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. [0030] 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. 3A and 3B, 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.

[0031] On the other hand, when cleaning the back of toilet bowl body 1 1, toilet seat unit

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.

[0032] (Main effects of this embodiment)

As described above, the fixed-side member 20 used in the toilet seat lifting / lowering apparatus 1 according to the present embodiment includes the forward tilt prevention parts 3 6 and 3 7 that come into contact with the upper surface of the toilet body 11 in front of the connecting part 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.

[0033] 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 are 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. This Therefore, in the normal use condition shown in Fig. 3 (a) and (b), the guide shaft 4 1

4 2 The slider 5 can be prevented from becoming dirty. 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.

[0035] Further, the cover 3 is not merely for protection, but also has a function of supporting the guide shafts 4 1 and 4 2 and constituting 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.

[0036] (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.

Further, 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 side. 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 space in which the slider moves is surrounded by a cover, so that the guide member can prevent the slider from being soiled, waterproof, and protected from the toilet bowl cleaning agent. Also, since the cover was provided from the beginning, the installation man-hours and the number of parts did not increase, unlike when a separate cover was provided. Furthermore, even when a configuration is adopted in which a part of the auxiliary device appears between the slider and the connecting portion when the slider is in the upper position, the auxiliary device is prevented from being contaminated, waterproof, and protected from toilet flushing chemicals. It can be performed.

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,

Between the slider and the connecting portion, at least one of an urging device that urges the slider upward and a damper device that generates resistance when the slider descends is an auxiliary device. The auxiliary device is housed in the slider when the slider is in the lower position, and part of the auxiliary device appears between the slider and the connecting portion when the slider is in the upper position. And

The toilet seat lifting device, wherein the fixed side member includes a back wall surrounding a space in which the slider moves, a pair of left and right side walls, and a cover including an upper surface wall.

[2] The toilet seat lifting and lowering according to claim 1, wherein the guide member is a guide shaft having a lower end portion and an upper end portion supported by the connection portion and the upper surface wall of the cover, respectively. apparatus.

[3] The slider includes an engaging member biased toward the back side,

The back wall of the cover has openings that can be engaged with the engagement member at each of an upper position and a lower position on a line through which the engagement member passes when the slider moves up and down. The toilet seat lifting / lowering device according to claim 1 or 2, wherein the toilet seat lifting / lowering device is provided.