JPH0640858B2 - Lifting device for wash bowl - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a device for raising and lowering a wash bowl to a desired position, and more particularly to a technique for increasing ease of use and improving workability.

[Background Art] Conventionally, as a device for raising and lowering a wash bowl to a position where it is easy to use, as shown in FIG. 18, two links 1a, 1a can be rocked substantially parallel to each other between a wall surface 5 and a wash ball 3. It is constructed so as to be pivotally connected and erected, and the wash ball 3 is swung up and down while being kept substantially horizontal by such a parallel four-link mechanism 1b. However, in the structure in which the wash basin ball 3 is moved up and down by using the parallel quadruple link mechanism 1b as described above, the distance l between the wash basin 3 and the wall surface 5 changes as the parallel quadruple link mechanism 1b swings. However, for this reason, the position where the user stands on the floor surface 2 must be changed back and forth, and there is a problem in that it is troublesome to use a mirror or the like provided on the wall surface 5, for example. Moreover, in order to swingably and pivotally connect the gas spring 13 for holding the elevating position in which the two parallel links 1a, 1a and the wash bowl 3 are moved up and down to an arbitrary position to the wall surface 5, especially in the wooden construction. In this case, it was difficult to obtain sufficient connection strength, a reinforcing structure was required, and the like, and there was a problem in that it was troublesome in terms of construction.

[Object of the Invention] The present invention has been made in view of such problems,
The purpose is that the distance between the wash ball and the wall can be kept almost constant regardless of the elevation of the wash ball,
The user does not have to change the standing position, it is easy to use for mirrors, etc., and avoids mounting on the wall surface where strength is problematic, and it is sufficient to mount on a relatively strong floor surface. Another object of the present invention is to provide a lifting device for a wash bowl, which can be easily attached and improved in workability, which is advantageous in both use and construction.

DISCLOSURE OF THE INVENTION A washing ball lifting / lowering device according to the present invention is provided between a lower portion of a parallel motion mechanism 1 and a floor surface 2 which are configured by parallel four-link mechanisms.
A cover for mounting the ascending / descending position holding means 4 composed of a push rod type gas spring, mounting a wash ball 3 on the upper part of the parallel motion mechanism 1, and covering the parallel motion mechanism 1 and the lift position holding means 4. 34 is provided so as to be capable of expanding and contracting between the wash bowl 3 and the floor surface 2, and the above object can be achieved by such a configuration. In other words, by adopting the parallel motion mechanism 1 composed of the parallel four-link mechanism, the wash ball 3 can be moved up and down by correctly moving in parallel in the vertical direction, and the wash ball 3 moves away from or approaches the wall surface during use. , A wall mirror or the like is not bothered and easy to use, and by attaching one end of the parallel movement mechanism 1 and the lifting position holding means 4 to the floor 2 respectively, a wooden house, etc. Avoid mounting on the wall where problems with strength tend to occur,
It is mounted on a relatively strong floor surface, which is advantageous in terms of construction.

Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 shows a schematic front view of a washbasin A according to the present invention, and FIG. 2 shows a side view of the same. The wash basin A is installed on the floor 2 close to the wall surface 5. Washbasin A
The wash-basin 3 is supported by the parallel movement mechanism 1 so as to be vertically movable. The parallel motion mechanism 1 is composed of a parallel quadruple link mechanism, and as shown in FIG.
6 are combined in an X shape, the intersections thereof are pivotally pivoted, and a plurality of such X-shaped links 7 are pivotally pivoted in the vertical direction to form a telescopic link 8. A pair of such expandable links 8 and 8 are opposed to each other, and the front and rear ends of the upper and lower parts of the expandable links 8 and 8 are connected by connecting rods 9 to form a pantograph shape. Rollers 10 are rotatably attached to the upper and lower connecting rods 9 and 9, respectively. Then, the connecting rod 9 on the rear side of the parallel movement mechanism 1 is attached to the bracket 1.
1 is attached to the lower surface of the wash bowl 3 and the lower connecting rod 9 at the rear is attached to the floor surface 2 via the bracket 12. In such a case, the lower roller 10 is rotatably mounted on the floor surface 2, and the upper roller 10 is rotatably abutted on the lower surface of the wash ball 3 and the parallel motion mechanism 1 moves the wash ball 3 to move it. It is supported so that it can be moved up and down in parallel with the horizontal plane without shifting the position in plan view. That is, the distance 1 between the wash ball 3 and the wall surface 5 can be kept substantially constant regardless of the elevation of the wash ball 3.

The washing ball 3 moved up and down to an arbitrary position by the parallel motion mechanism 1 can be held at the lifted position by the lifted position holding means 4. The configuration of the lifting position holding means 4 will be described below.

FIG. 4 shows the lifting position holding means 4 composed of a push rod type gas spring.
4, the piston 15 is slidably inserted, the piston rod 16 extending from the piston 15 is led out of the cylinder tube 14, and the piston rod 16 and the piston 1
The push rod 17 is inserted into the through hole penetrating 5 and the high pressure gas is sealed in the cylinder tube 14.
As shown in FIG. 5, by pushing the push rod 17, the valve 18 at the tip of the push rod 17 is opened, the valve hole 19 of the piston 15 is opened, and the pressure receiving surface S ₁ on the bottom side of the piston 15 is the pressure receiving surface on the head side. The piston 15 is pushed up to the head side together with the piston rod 16 by the gas pressure due to the fact that it is larger than S ₂ , and the piston rod 16 is pushed under the gas pressure when the push rod 17 is pushed in such a state. The piston rod 16 and the piston 15 can be moved to the bottom side by depressing against. The gas spring 13 for opening and closing the valve 18 with the push rod 17 is called a push rod type gas spring. Then, as shown in FIG. 3, the gas spring 13 is moved parallel to the floor surface 2 in parallel movement mechanism 1.
It is installed between them. That is, the cylinder tube 14 of the gas spring 13 is rotatably and pivotally connected to the floor 2 via the piston 20, and the piston rod 16 is connected and fixed to the lower X-shaped link 7.

Next, the operation system of the push rod 17 will be described.

As shown in FIG. 6, the outer wire 23 of the release wire 22 is attached to the attachment hardware 21 attached to the piston rod 16. The inner wire 24 inserted through the outer wire 23 is swingable by a pin 25 so that the X-shaped link 7
The arm 26 is linked to the arm 26 pivotally attached to the arm 26, and the pulling operation of the inner wire 24 causes the arm 26 to swing.
The push rod 17 can be pushed in and operated. As shown in FIG. 7, the other end of the inner wire 24 is connected with a nut 30 to the tip of an intermediate lever 29 which is rotatably pivotally attached by a pin 28 to a supporting metal 27 attached to the lower front of the wash bowl 3. I am doing it. An operation lever 31 is rotatably attached to the tip of the support hardware 27 by a pin 32, and the tip of the operation lever 31 is attached to the intermediate lever
9 is abutted. Then, as shown in FIG. 7, for example, the operation lever 31 is pulled up by the left hand, and the intermediate lever 29 is rotated by the rotation of the operation lever 31,
The inner wire 24 can be pulled and operated. By pulling the inner wire 24, the push rod 17 is pushed in,
Using the gas pressure of the gas spring 13, the wash ball 3 is lightly pulled up with one hand as shown in FIG. 8 or is pushed down against the gas pressure, so that the wash ball 3 is at a desired position.
Is moved up and down, and then the operation of the operation lever 31 is stopped to put the gas spring 13 in a locked state so that the up and down position of the wash bowl 3 can be held. The operating lever 31 is housed in the recess 33 at the lower front surface of the wash bowl 3 so that it can be well matched in design with the wash bowl 3 as shown in FIGS. 1 and 2. There is.

An expandable and contractible tubular cover 34 is provided between the wash bowl 3 and the floor surface 2. The cover 34 covers the parallel motion mechanism 1 and the elevation position holding means 4, and the wash bowl 3 The appearance is enhanced by making the internal mechanism invisible regardless of the elevation. Such a cover 34 is composed of large, medium and small cover bodies 35 as shown in FIGS. 9 to 13, and the upper end of the large diameter cover body 35 is attached to the lower surface of the washing bowl 3 to cover the small diameter cover body 35. The lower end of 35 is placed on the floor surface 2, and as the large-diameter cover body 35 rises, its pulling piece 36
Is brought into contact with the towed piece 37 of the medium-diameter cover body 35, and the medium-diameter cover body 35 is pulled up to cleanly cover the gap between the wash bowl 3 and the floor surface 2. Needless to say, when the wash-basin 3 is lowered, the medium-diameter cover body 35 is also lowered as the large-diameter cover body 35 is lowered.

As shown in Fig. 14, on the wall surface 5, there is a high mirror 3 for the appearance.
8 is attached so that the mirror 38 can be used no matter which position the wash ball 3 is raised or lowered, and the wash ball 3 is lowered to the lowest position so that the user can see the whole body. is there.

In addition, as shown in FIGS. 16 to 17, the wash bowl 3 is
A blocking piece 39 for preventing water and the like from splashing from the wash ball 3 portion to the mirror 38 is projected.
It is possible to prevent water or the like from splashing on the mirror 38. The blocking piece 39 has the same width as that of the mirror 38 to enhance the design surface.

Although not shown in the drawings, the wash bowl 3 is provided with a faucet for supplying water or hot water, and the water supply pipe is made into a flexible pipe to be connected from the back of the wash bowl 3 and the drain pipe is made into a flexible pipe to pass through the floor through the floor. It is recommended to connect it to the drain port on the surface.

[Effects of the Invention] The present invention is configured as described above and has the following effects. That is, since the parallel motion mechanism composed of the parallel four-link mechanism is adopted, the wash ball can be accurately moved in parallel in the vertical direction to move up and down,
When using the wash basin, the wash basin does not move away from or come close to the wall surface. For example, it is easy and easy to use when using a mirror or the like on the wall surface.

In addition, the elevating position holding means composed of a push rod type gas spring is mounted between the lower part of the parallel motion mechanism composed of the parallel four-series link mechanism and the floor surface.
The vertical movement of the wash ball can be smoothly and lightly moved up and down by the guidance of the movement of the parallel movement mechanism, and the push rod type gas spring elevating position holding means can be small.

Furthermore, the parallel movement mechanism and the lifting position holding means are covered by a cover that is installed between the wash ball and the floor so that it can be expanded and contracted by using a parallel four-link mechanism or a push rod type gas spring. However, there is an advantage in that this can be hidden externally and the appearance of the entire apparatus can be well maintained.

[Brief description of drawings]

FIG. 1 is a schematic front view of a washbasin according to an embodiment of the present invention, FIG. 2 is a schematic side view of the same as above, FIG. 3 is a perspective view of a parallel movement mechanism of the same above, and FIG. FIG. 5 is a sectional view showing a locked state, FIG. 5 is a sectional view showing an unlocked state of the above gas spring, FIG. 6 is a schematic side view showing a supporting structure of a release wire for operating the above gas spring, and FIG. FIG. 8 is a side view showing the operation part of the release wire, FIG. 8 is a schematic front view showing the operation of the operation lever and the raising / lowering operation of the wash ball, and FIG. 9 is a schematic front view showing the cover and the extended state thereof. Fig. 10 is a schematic front view of the same contracted state, and Fig. 11 is a schematic plan view of the same.
Fig. 2 is a partial sectional view of the cover in the contracted state, Fig. 13 is a partial sectional view of the cover in the extended state, and Fig. 14 is a schematic front view showing the relationship between the wash bowl and the mirror.
The figure is a schematic front view of the washing ball in the same state,
FIG. 16 is a plan view showing an obstruction piece of the above-mentioned washing ball, FIG. 17 is a front view of the same, FIG. 18 is a schematic side view of a conventional example, 1 is a parallel movement mechanism, 2 is a floor surface, 3 Is a wash bowl, 4 is an elevation position holding means, and 34 is a cover.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yuzo Tsuda 1048, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd. (56) Reference JP-A-57-190528 (JP, A) JP, U)

Claims (3)

[Claims] 1. An elevating position holding means constituted by a push rod type gas spring is mounted between a lower portion of a parallel movement mechanism constituted by a parallel four-link mechanism and a floor surface, and an upper portion of the parallel movement mechanism. A wash bowl is attached to the above, and a cover for covering the parallel motion mechanism and the elevating position holding means is installed between the wash bowl and the floor so that the wash bowl can expand and contract. lift device. 2. The lifting device for a wash bowl according to claim 1, wherein a high-height mirror is provided on the rear wall surface of the wash bowl. 3. An apparatus for raising and lowering a wash bowl according to claim 2, wherein the wash bowl is provided with a blocking piece for preventing water from splashing on the mirror.