JPWO2007129460A1 - Toilet seat lifting device - Google Patents

Abstract

In the toilet seat lifting / lowering device (1), a cover (5) that surrounds the space in which the slider (5) moves for the purpose of realizing prevention of dirt and waterproofing of the guide shafts (41, 42) and the slider (5) with a simple configuration. 3) is provided. Further, when the slider (5) is raised, some of the auxiliary devices such as the air damper mechanism (7) and the assist spring (8) are exposed from between the connecting portion (2) and the slider (5). However, it is possible to prevent the auxiliary device from being soiled, waterproof, and protected from the toilet cleaning agent. The cover (3) is not only for protection, but also has functions of supporting the guide shafts (41, 42) and constituting the stoppers (91, 93) by the openings (311, 312).

Description

  The present invention relates to a toilet seat lifting and lowering device for lifting and lowering a toilet seat of a Western-style toilet.

  In a Western-style toilet, the toilet seat and toilet lid rotate around the back, resulting in a prone posture and a standing posture. For this reason, even if it is going to clean the back of the upper surface of a toilet bowl body, there is only a very narrow gap between the toilet bowl body and the toilet seat, and even if you want to clean that part, you cannot reach it. Then, the toilet seat raising / lowering apparatus which can make a toilet seat unit the state which floated from the toilet bowl main body is devised (for example, refer patent document 1, 2).

Each of the toilet seat lifting devices described in these patent documents is a manual type and an electric type. However, as shown in FIG. 5, both toilet seat lifting devices are generally provided from a fixed plate portion 121 to a vertical plate portion 122 to the toilet body. 2 hangs between a fixed plate 102 on which the vertical plate portion 122 stands, an inverted L-shaped stopper plate 108 fixed to an upper end portion of the vertical plate portion 122 of the fixed plate 102, and a fixed plate portion 121 of the fixed plate 102. The fixed-side member 100 is configured by the two cylindrical guide shafts 141 and 142, and the slider 105 is supported by the two guide shafts 141 and 142. A movable plate 106 is attached to the front surface of the slider 105, and a toilet seat unit is attached to the upper surface of the horizontal plate portion of the movable plate 106. Therefore, if the slider 105 is raised, the toilet seat unit can be lifted from the toilet body.
JP-A-2005-635 JP 2005-218554 A

  However, in the conventional toilet seat lifting / lowering device, the sides of the guide shafts 141 and 142 and the slider 105 are exposed. Therefore, in order to prevent these members from being soiled, waterproof, and protected from toilet flushing agents, a separate dedicated It is necessary to provide a cover. As a result, there is a problem that the installation man-hour and the number of parts increase.

  In view of the above problems, an object of the present invention is to provide a toilet lifting and lowering device that can realize prevention of dirt and waterproofing of a guide shaft and a slider with a simple configuration.

  In order to solve the above-described problems, in the present invention, a connecting portion connected to a Western-style toilet body, a fixed-side member including a guide member rising from the connecting portion, and capable of moving up and down along the guide member And a toilet seat lifting / lowering device having a toilet seat unit connected to the front of the slider, and a biasing device for biasing the slider upward between the slider and the connecting portion. And a damper device that generates a drag force when the slider descends as an auxiliary device, and the auxiliary device is housed in the slider when the slider is in the lower position. On the other hand, when the slider is in the upper position, a part appears between the slider and the connecting portion, and the fixed side member is a space in which the slider moves. Rear wall surrounding, characterized in that it comprises a pair of side walls of the left and right sides, and a cover having a top surface wall.

  In the present invention, the space in which the slider moves is surrounded by a cover, so that the guide member and the slider can be prevented from being soiled, waterproofed, and protected from the toilet bowl cleaning agent. In addition, since the cover is provided from the beginning, unlike the case where a separate cover is provided, the number of installation steps and the number of parts do not increase. 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.

  In the present invention, the guide member is, for example, a guide shaft having a lower end portion and an upper end portion supported on each of the connecting portion and the upper surface wall of the cover.

  In the present invention, the slider may include an engaging member that is biased toward the back side. In this case, the engaging member is placed on the back wall of the cover when the slider moves up and down. It is preferable that an opening that can be engaged with the engaging member is formed in each of an upper position and a lower position on the line passing therethrough. If comprised in this way, a stopper can be comprised using the opening formed in the back wall of a cover.

(A), (b) is the explanatory drawing which shows the state which raised the toilet seat unit from the toilet body in the Western style toilet unit using the toilet seat lifting device to which the present invention is applied, respectively, and the toilet seat unit. It is. (A), (b) is the perspective view which looked at the toilet seat raising / lowering apparatus to which this invention was applied from diagonally forward, respectively, and the perspective view which removed the movable plate and the slider and looked at the stationary member from diagonally forward. (A)-(d) is explanatory drawing when the longitudinal cross section when the state which has a slider in the toilet seat raising / lowering apparatus to which this invention is applied cut | disconnected in the position where a guide shaft passes is seen from the front, and a slider Explanatory drawing when the longitudinal section when the state in the lower position is cut at the position where the guide shaft passes is seen from the side, the longitudinal section when the state where the slider is in the upper position is cut at the position where the guide shaft passes is seen from the front It is explanatory drawing when it sees, and explanatory drawing when the vertical cross section when the state which has a slider in an upper position is cut | disconnected in the position where a guide shaft passes is seen from the side. (A)-(f) is the perspective view which looked at the cover used for the toilet seat raising / lowering apparatus to which this invention was applied from diagonally forward, a front view, a right view, a bottom view, and the position which passes along the shaft hole formed in the upper surface wall It is a longitudinal cross-sectional view when cut | disconnecting by, and a longitudinal cross-sectional view when cut | disconnecting in the part which passes a side wall. It is explanatory drawing of the conventional toilet seat raising / lowering apparatus.

Explanation of symbols

1. Toilet seat elevating device 2. Connecting part 3. Cover 5. Slider 6. Movable plate 7. Air damper device (auxiliary device)
8. Assist spring (auxiliary device)
41, 42 .. Guide shaft (guide member)
10. Toilet seat unit 20 .. Fixed side member 31 .. Cover rear wall 32, 33 .. Cover side wall 34.. Cover upper wall 36, 37. Piston 91 ··· First stopper 92 ··· Second stopper

  An example of a toilet seat lifting / lowering apparatus to which the present invention is applied will be described with reference to the drawings.

(Configuration of Western toilet unit)
1 (a) and 1 (b) show an explanatory diagram of a state in which the toilet seat unit is lowered and a state in which the toilet seat unit is lifted from the toilet body, in the Western toilet unit using the toilet seat lifting / lowering device to which the present invention is applied. It is explanatory drawing.

  As shown in FIG. 1 (a), a Western-style toilet unit of this embodiment includes a Western-style toilet body 11, a toilet seat 12 that is opened and closed on the toilet body 11, and a toilet lid 13 that is opened and closed on the toilet seat 12. The toilet seat 12 and the toilet lid 13 are rotated around the back to assume a prone posture and a standing posture. The toilet seat 12 and the toilet lid 13 are integrated as a toilet seat unit 10. The toilet seat unit 10 includes a damper device that reduces the speed when the toilet seat 12 and the toilet lid 13 are flattened by its own weight, if necessary. There is a case where an electric device for opening and closing the toilet lid electrically is built. As shown in FIG. 1B, the western toilet unit according to the present embodiment manually lifts the toilet seat 12 (toilet seat unit 10) from the toilet body 11 so that the upper surface of the toilet body 11 can be cleaned to the back. A lifting device 1 is configured.

(Configuration of toilet seat lifting device)
FIGS. 2A and 2B are a perspective view of the toilet seat lifting apparatus to which the present invention is applied as seen from diagonally forward, and a perspective view of the stationary member as seen from diagonally forward with the movable plate and slider removed. 3 (a) to 3 (d) are explanatory views when a longitudinal section when the guide shaft passes through the state where the slider is in the lower position in the toilet seat lifting device to which the present invention is applied is viewed from the front, An explanatory view of the longitudinal section when the guide shaft passes through the state where the slider is in the lower position, and a longitudinal section when the guide shaft passes through the state where the slider is in the upper position. It is explanatory drawing when it sees from the front, and explanatory drawing when a longitudinal section when the state which has a slider in an upper position is cut in the position where a guide axis passes is seen from the side. 4 (a) to 4 (f) are perspective views, front views, right side views, bottom views, and shaft holes formed in the top wall of the cover used in the toilet seat lifting / lowering apparatus to which the present invention is applied. It is a longitudinal cross-sectional view when cut | disconnecting in the position which passes, and a longitudinal cross-sectional view when cut | disconnecting in the part which passes a side wall.

  2 (a), 2 (b) and FIGS. 3 (a), 3 (b), the toilet seat lifting / lowering device 1 according to the present embodiment is connected to the upper surface portion of the toilet body 11 (see FIG. 1). The fixed side member 20 provided with the part 2, the guide shafts 41 and 42 (guide member) which rose from the connection part 2, and the resin cover 3 is provided, and the slider 5 is provided on the guide shafts 41 and 42. Is supported to be movable up and down.

  The connecting portion 2 includes a SUS seat plate 21 fixed to the upper surface of the toilet body 11 with screws and the like, and four support columns 22 rising from the seat plate 21, and the upper end portion of the support column 22 is the cover 3. It is connected to. Therefore, the height position of the toilet seat lifting / lowering device 1 can be adjusted by changing the length of the support column 22 and the thickness of the seat plate 21. In addition, 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.

  The cover 3 includes a back wall 31 surrounding a space in which the slider 5 moves, a pair of side walls 32 and 33 on both left and right sides, and an upper wall 34. The lower and upper ends of the guide shafts 41 and 42 are seated. The plate 21 and the upper surface wall 34 of the cover 3 are respectively supported by shaft holes.

  The slider 5 includes bearing portions 51 and 52 having guide holes 511 and 521 into which the guide shafts 41 and 42 are inserted, and a top plate portion 53 that connects upper end portions of the bearing portions 51 and 52. Further, an L-shaped movable plate 6 is attached to the front surface of the slider 5.

  The movable plate 6 includes a horizontal plate portion 60 to which the toilet seat unit 10 is attached, and a vertical plate portion 61 that is bent from an end portion of the horizontal plate portion 60, and the vertical plate portion 61 serves as a connection portion with the slider 5. ing. Here, as shown in FIG. 3B, 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 surface portion of the slider 5 are fixed with the screws 66, and the vertical plate portion 61 and the reinforcing plate are fixed. The movable plate 6 is fixed to the slider 5 by fastening 65 with a screw 67. Further, a small hole 601 is formed on the lower surface of the horizontal plate portion 60, while a small protrusion 651 that fits into the small hole 601 is formed on the horizontal plate portion of the reinforcing plate 65, and the small hole 601 and the small protrusion 651 The movable plate 6 and the reinforcing plate 65 are positioned. In positioning the movable plate 6 and the reinforcing plate 65, small projections may be formed on the lower surface of the horizontal plate portion 60, while small holes may be formed in the horizontal plate portion of the reinforcing plate 65.

(Configuration of stopper)
2 (a), (b), FIG. 3 (b), and FIGS. 4 (a), (b), (e) again, the left and right bearing portions 51, 52 of the slider 5 have the cover 3 as shown in FIG. Square holes 55 are respectively opened at portions facing the back wall 31 of the. 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 in the back thereof, a spring 97 that biases the engaging member 95 toward the back wall 31 of the connecting portion 2. Is arranged.

  On the other hand, in the back wall 31 of the cover 3, a lower opening in which the distal end portion of the engaging member 95 enters a lower position on a line through which the engaging member 95 passes when the slider 5 is moved up and down. While 311 is formed on the left and right, a pair of left and right upper openings 312 into which the tip of the engaging member 95 enters is formed at the upper position.

  For this reason, the engaging member 95 and the spring 97 on the slider 5 side and the lower opening 311 formed in the back wall 31 of the cover 3 define the holding position of the slider 5 when the toilet seat unit 10 is lowered. 1 function as a stopper 91. Further, the engaging member 95 and the spring 97 on the slider 5 side and the upper opening 312 formed in the back wall 31 of the cover 3 define a second holding position of the slider 5 when the toilet seat unit 10 is raised. It functions as a stopper 92.

  The inner surface of the back wall 31 of the cover 3 has a smooth surface in which a region sandwiched between the lower opening 311 and the upper opening 312 (region hatched in FIG. 4B) is compared with other regions by mirror processing. The slidability of the engaging member 95 is enhanced.

(Configuration of auxiliary device)
As shown in FIG. 3A, in the toilet seat lifting / lowering device 1 of this embodiment, the slider 5 is placed between the seat plate 21 of the connecting portion 2 and the top plate portion 53 of the slider 5 when the toilet seat unit 10 is lowered. An air damper mechanism 7 (auxiliary device) that exerts a drag force is disposed.

  In configuring this air damper mechanism 7, in this embodiment, a cylindrical cylinder 71 extends from the lower surface of the top plate portion 53 of the slider 5 toward the seat plate 21, while the seat plate 21 of the connecting portion 2 includes A piston 72 extending from the lower end opening of the cylinder 71 to the back of the cylinder 71 is attached in an upright posture. A large-diameter head 74 is formed at the upper end of the piston 72. An O-ring 75 is attached to the head 74 in a circumferential groove, and a sealed space 73 is formed in the cylinder 71 by the head 74. Further, an air hole 76 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 / auxiliary 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. 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 disposed coaxially around the cylinder 71, and the cylinder 71 also serves as a guide portion for the assist spring 8.

(Configuration of forward tilt prevention part)
As shown in FIGS. 2 (a), 2 (b), 3 (b), and 4 (a) to 4 (f), in the cover 3 used in the toilet seat lifting / lowering device 1 of this embodiment, the side walls 32, 33 Has a trapezoidal shape with the front portion being a hypotenuse. Further, in each of the two side walls 32 and 33, leg-shaped forward tilt blocking portions 36 and 37 extend downward from the front surface portion. Here, the forward tilt blocking portions 36 and 37 extend to a position below the connecting portion 2, and holes 361 for screwing the forward tilt blocking portions 36 and 37 and the toilet body 11 to the bottom surfaces 360 and 370 thereof. , 371 are formed.

(Usage and operation)
The toilet seat lifting / lowering device 1 according to the present embodiment configured as described above is configured such that the connecting portion 2 is configured in the toilet body 11 as shown in FIGS. 1 (a) and 1 (b) and FIGS. 4 (a) and 4 (b). It fixes with the screw | thread etc. on the level | step difference 111 which exists. Here, the step 111 is a step formed by a step formed on the toilet body 11 itself or a spacer attached to the toilet body 11. When the toilet seat lifting / lowering device 1 is attached to the toilet main body 11 in this manner, the bottom surfaces 360 and 370 of the forward tilt blocking portions 36 and 37 extending downward from the front surface portion of the cover 3 abut on the lower portion 112 of the toilet main body 11. . Therefore, in this state, the toilet body 11 and the forward tilt prevention portions 36 and 37 are screwed. Further, the toilet seat unit 10 is connected to the slider 5 via the movable plate 6.

  And in normal use, as shown to Fig.1 (a) and Fig.2 (a), (b), it uses it in the state which lowered the toilet seat unit 10. FIG. In this state, the engaging member 95 formed on the slider 5 is fitted into the lower opening 311 formed in the back wall 31 of the cover 3 to hold the toilet seat unit 10 in 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.

  On the other hand, when cleaning the back of the toilet body 11, the toilet seat unit 10 is lifted. As a result, the engaging member 95 is disengaged from the lower opening 311 and the slider 5 is lifted together with the toilet seat unit 10 as shown in FIGS. For this reason, the engaging member 95 fits into the upper opening 312 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.

(Main effects of this form)
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 36 and 37 that contact the upper surface of the toilet main body 11 in front of the connecting portion 2. As shown in FIG. 1B, even when a downward load is applied to the toilet seat unit 10 in a floating state, the forward tilt preventing portions 36 and 37 support the load. Therefore, since the stationary 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.

  In addition, since the forward tilt preventing portions 36 and 37 are formed on the resin-molded cover 3, the forward tilt preventing portions 36 and 37 can be configured without adding a new member.

  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. Therefore, it is possible to prevent the guide shafts 41 and 42 and the slider 5 from being soiled in the normal use state shown in FIGS. 3 (a) and 3 (b). Further, as shown in FIGS. 3C and 3D, when the slider 5 is raised, a part of the auxiliary device such as the air damper mechanism 7 and the assist spring 8 is exposed from between the connecting portion 2 and the slider 5. Even in this state, the guide shafts 41 and 42 and the slider 5 can be prevented from being soiled, waterproof, and protected from the toilet flushing agent.

  The cover 3 is not merely for protection, but also supports the guide shafts 41 and 42 and functions to form the stoppers 91 and 93 by the openings 311 and 312, and is provided in the toilet seat lifting / lowering device 1 from the beginning. For this reason, when using the toilet seat lifting / lowering apparatus 1 for a Western-style toilet unit, unlike the case where a cover is separately provided, the installation man-hour and the number of parts do not increase.

(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 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 part 2 side. However, the piston is formed on the slider 5 side, and the connecting part is formed. A cylinder may be formed on the second side.

  In the present invention, the space in which the slider moves is surrounded by the cover, so that the guide member and the slider can be prevented from being soiled, waterproofed, and protected from the toilet cleaning agent. In addition, since the cover is provided from the beginning, unlike the case where a separate cover is provided, the number of installation steps and the number of parts do not increase. 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 (3)

A connecting portion connected to the western toilet body, a stationary 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 and lowering device in which the toilet seat unit is connected to the front,
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 a drag force when the slider descends is provided as an auxiliary device. The auxiliary device is housed in the slider when the slider is in the lower position, and a part of the auxiliary device appears between the slider and the connecting portion when the slider is in the upper position.
The toilet seat lifting and lowering apparatus, wherein the fixed side member includes a cover including a back wall surrounding a space in which the slider moves, a pair of side walls on both left and right sides, and an upper surface wall.   The toilet seat lifting / lowering device according to claim 1, wherein the guide member is a guide shaft having a lower end portion and an upper end portion supported on each of the connection portion and the upper surface wall of the cover. The slider includes an engagement member biased toward the back side,
The back wall of the cover is formed with an opening that can engage with the engaging member at each of an upper position and a lower position on a line through which the engaging member passes when the slider moves up and down. The toilet seat lifting / lowering device according to claim 1 or 2.

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