JPH02134120A - Shower device - Google Patents

Abstract

PURPOSE:To enhance the reliability and stability of the drive of a slider by disposing in a loop a spring member for providing tensile force to a wire, and fixing a pulley fixing stand to a guide rail in such a manner that it can slide along the rail, the loop wherein upper and lower portions of a piston and upper and lower portions of the slider are connected by a wire via upper and lower pulleys, respectively. CONSTITUTION:A wire 4 being connected to a piston 2 is connected to a slider 5 via a pulley 3 which rotates about a pulley shaft 37 on a pulley fixing stand 49. The wire connecting portion of the slider 5 comprises a wire hook 36, a spring shaft 35, and a spring member 34 such as a compression spring. The wire 4 and the wire connecting portion are connected together by means of insertion of a terminal metal fitting 38 into the wire hook 36, the terminal metal fitting 38 being located at one end of the wire 4. In this case, the structure is such that the tensile force of the wire 4 is obtained from the recovering force of the spring member 34 stored in the slider 5. The pulley fixing stand 49 takes such a form as to be capable of sliding vertically along the notch and the guide channel of a guide rail 10.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a shower device that reciprocates a shower nozzle up and down, and specifically relates to a technique for smoothly raising and lowering a shower nozzle over a long period of time.

[Prior Art 1] Recently, shower devices have been recognized as having features such as ease of preparation for bathing, water saving, and energy saving, and have become established as a convenient means of bathing. On the other hand, as social needs for health promotion have increased, attention has been focused on the skin irritation and thermal stimulation effects of shower jet pressure. In other words, stimulating hot baths increase blood flow, activate various functions such as the circulatory system, respiratory system, and autonomic nervous system, and are effective for improving mental and physical health, recovering from fatigue, and improving beauty. I've been exposed to it.

In order to increase these effects, the key is to make the stimulating effects of the jet water last as long as possible by varying the temperature and water pressure of the jet water. To this end, attempts have been made to move the shower head itself up and down and back and forth, so as to avoid spraying water from hitting the same position on the body as much as possible, and as a conventional example, a driving method using a hydraulic cylinder has been adopted.

In this type of system, as shown in FIG. 6(a), the direction of the water flow sent into the hydraulic cylinder 1' is changed by passing it through a directional control valve 30, and the vertical and reciprocating movement is continuously performed. That is. In other words, Sha 7
- the nozzle 6' is connected to the piston 2' in the hydraulic cylinder 1';
A slider 5' is fixed to a wire 4' connected to the slider 5', and a shower nozzle 6' is attached to the slider 5' to drive it up and down.

[Problem to be Solved by the Invention 1] In the conventional example described above, as shown in FIG. Tension is generated in one of the wires 4' that connect the piston 2' and the slider 5', and as a reaction, the other wire 4' slackens, and when the wire 4' is reversed, the slack cannot be restored instantaneously, and the wire 4' There was a problem with it coming off pulley 3.

The present invention was made in view of these problems, and its purpose is to absorb wire elongation and slack, obtain wire tension for stable drive, and improve the reliability of slider drive. To provide a shower device that has improved durability and stability and can perform smooth reversing operations.

[Means for Solving the Problems j] The shower device of the present invention is a shower device that uses a water pressure cylinder 1 to move a shower nozzle 6 back and forth up and down. A spring material 34 for applying tension to the wire 4 is placed in a loop formed by connecting the upper and lower sides of the provided slider 5 with the wire 4 via the upper and lower pulleys 3, and the pulley that supports the pulley 3 is fixed. The table 49 is configured to slide and be fixed along the guide rail 10.

In addition, a slider is installed in the guide groove 10a of the guide rail 10.
5 is fitted vertically movably, a notch 43 is provided in this guide rail 10, and the cap 40 of the hydraulic cylinder 1 is fitted.
A pulley fixing base 49 for fixing the pulley 3 is provided with a protrusion 45 and an R part 46, respectively, and these wing parts 46 are fitted into the guide groove 10a, and the protrusion 45 is inserted into the notch 4.
It can be installed by fitting it into 3.

Further, a hole may be provided in the piston 2 in the hydraulic cylinder 1 that moves up and down to communicate the upper pressurizing chamber 11 and the lower pressurizing chamber 15 of the hydraulic cylinder 1.

[Function] In this way, the wire is inserted into the loop formed by connecting the upper and lower piston 2 in the hydraulic cylinder 1 and the upper and lower sides of the slider 5 provided with the shower nozzle 6 with the wire 4 via the upper and lower pulleys 3. By arranging a spring member 34 to apply tension to the wire 4 and by sliding and fixing the pulley fixing base 49 that supports the pulley 3 along the guide rail 10, the elongation of the wire 4 can be absorbed. , there is no slack in the wire 4.

In addition, the slider 5 is fitted into the guide groove 10a of the guy rail 10 so as to be movable up and down, and the guide rail 10 is provided with a notch 43, and the cap 40 of the hydraulic cylinder 1 and the pulley fixing base 49 for fixing the pulley 3 are respectively attached. By providing a protrusion 45 and a wing 46, fitting the protrusion 45 into the guide groove 10a, and attaching the wing 46 to the notch 43, tension in the wire 3 can be obtained with a simple configuration. has become 't'.

Further, by providing a hole in the piston 2 in the hydraulic cylinder 1 that moves up and down to communicate the upper pressurizing chamber 11 and the lower pressurizing chamber 15 of the hydraulic cylinder 1, the driving can be made even smoother.

[Example] Embodiments of the present invention will be described below in detail with reference to the attached drawings.As shown in Fig. 1, the shower device has a piston 2 arranged in a vertical hydraulic cylinder 1 so as to be vertically movable. A wire 4 wound around wire pulleys 3, 3 is tightly tied to the piston 2, a slider 5 is connected to the wire 4, and a shower nozzle 6 is fixed to the center of the slider 5. A drive mechanism section consisting of various parts such as a hydraulic cylinder 1 for reciprocating the shower / A slit 9 is formed in the center of the casing 8. A pair of guide rails 10 are vertically arranged inside the casing 8 along this slit 9 so as to face each other laterally. Guide grooves 10a are provided on opposing surfaces of the guide rails 10 so as to face each other. The left and right ends of the slider 5 are slidably fitted into the guide groove 10a of the guide rail 10, and the shower 7 and the slider 6 provided in the center of the slider 5
should face the slit 9 as shown in FIG. 1(c).

However, as shown in FIG. 1(a), the driving water is supplied to the four-way valve 7.
After passing through, the water enters the upper pressurizing chamber 11 of the hydraulic cylinder 1, pushes down the piston 2, and drains the water in the lower pressurizing chamber 12 of the hydraulic cylinder 1 through the four-way valve 7. This downward movement of the piston 2 causes the shower nozzle 6 to rise via the wire 4 and slider 5.

When the shower 7 nozzle 6 reaches the upper limit position, it kicks the height adjustment clamp 13 above the reversing mechanism, pushes up the slide rod 14 to which the height adjustment clamp 13 is integrally attached, and switches the four-way valve 7. By switching the four-way valve 7, the driving water enters the lower pressure chamber 15 of the hydraulic cylinder 1, pushes up the piston 2, lowers the shower nozzle 6 via the wire 4 and slider 5, and then flows into the upper pressure chamber 11.
The water inside is drained out through a four-way valve 7. When the shower nozzle 6 is lowered to the lower limit position, the lower height W4! i! The clamp 16 is kicked, the slide rod 14 is lowered, the four-way valve 7 is switched, the initial state is returned, and the shower nozzle 6 is raised again. From now on, this kind of operation will be repeated.

As shown in FIG. 4(b), in its horizontal cross-sectional state, the shower nozzle 6 is located in the center of the casing 8, guide rails 10 are arranged on both sides of the shower nozzle 6, and the shower 7 is mounted on the guide rail 10. A slider 5 integrated with 6 is slidably inserted therein. A wire 4 is connected to the slider 5. Figure 2 (b
), a joint 39 is provided at the top and bottom of the hydraulic cylinder 1 to guide water to the four-way valve 7, and a wire gasket 41 is inserted to prevent water from leaking at the wire 4, and a wire is used to fix it. The cap 40 of the hydraulic cylinder 1 to which the stopper 42 can be attached is inserted. The cap 40 has a fitting shape that fits into the guide groove 10a of the guide rail 10, so that the hydraulic cylinder 1 and the guide rail 10 can be easily positioned. Here, the guide rail 10 has the above-mentioned guide groove 10a and notch 43.
This is the provision. On the other hand, the cap 4o and four pulley fixing bases to be described later have a wing portion 46 for fitting into the guide groove 10a and a projection portion 45 for fitting into the notch 43, respectively.
This is the provision. Then, the cap 40 fits the wing portion 46 into the guide groove 10a and cuts out the protrusion 45 into the guide groove 10a.
3, the first part 46 is fixed to the guide rail 10 with the screw 50. By positioning the parts by fitting in this way, the parts can be installed without rattling, and work efficiency is improved. The piston 2 and the wire 4 are connected by providing a terminal fitting 38 at the end of the wire, and fixing the terminal fitting 38 by screwing a wire stopper 44 to the piston 2. A wire 4 connected to the piston 2 is connected to the slider 5 via a wire packing 41 and a wire stopper 42 in a cap 40, and via a pulley 3 that rotates around a pulley shaft 37 on a pulley fixing base 49. Fifth
As shown in the figure, the wire connection portion of the slider 5 includes a wire hook 36, a spring pongee 35, and a spring material 34 such as a compression spring.
It consists of By inserting the terminal fitting 38 of the wire connection part into the wire hook 36, the wire 4 and the wire connection part are connected. In this case, the structure is such that the tension of the wire 4 is obtained by the restoring force of the spring material 34 built into the slider 5. The pulley fixing base 49 has a projection part 45 and a wing part 46 like the cap 40 described above, and also has a notch 43 of the guide rail 10 and a guide groove 10a.
It has a shape that allows it to slide vertically along the . In other words, the wing portion 46 is slidably fitted into the guide groove 10a, and the protrusion 45 is slidably fitted into the notch 43, so that the wing portion 46 slides smoothly in the vertical direction. be able to. When inserting the terminal fitting 38 of the wire 4 into the wire 7 hook 36, use the pulley fixing base 49.
and the camp 40 are in contact with each other (in this case, the cap 4tO is fixed to the boot rail 10, and the 7-point fixing base 49 is left unfixed), and after insertion, the window sill 49 is inserted into the pulley Notch 4: By sliding the spring material 34 in the compression direction (in the direction of the arrow in FIG. 3(a)) and fixing the wing part 46 with the screw 50, the wire 4 can be easily and with a constant tension. In this structure, a lever jig such as a screwdriver can be inserted between the cap 40 and the pulley fixing base 49 to fix the cap, making it extremely easy to assemble.

Further, the piston 2 may be provided with a small hole (not shown) that passes through it vertically. As a result, the air in the hydraulic cylinder 1 that is mixed in at the start of water supply and the soil of the piston can easily pass through the piston, so that the reversal operation is instantaneous and the vertical movement becomes smooth.

[Effects of the invention] As described above, tension is applied to the wire in a loop formed by connecting the top and bottom of the piston in the hydraulic cylinder and the top and bottom of the slider provided with the shower nozzle with a wire via the top and bottom pulleys. A spring material is placed to provide the tension, and a booby fixing base that supports the pulley is slid and fixed along the guide rail, so the spring material absorbs the elongation of the wire and reduces the slack in the wire. In addition, by sliding and fixing the pulley fixing base along the guide rail, it is possible to set an appropriate wire tension.

In addition, the slider is fitted into the guide groove of the guide rail so as to be able to move downward one step, a notch is provided in the guide rail, and a protrusion and a wing are provided in the pulley fixing base for fixing the cap and pulley of the hydraulic cylinder, respectively. Since these protrusions are fitted into the guide grooves and the wing parts are fitted into the notches, positioning of the cap is easy and the pulley fixing base can be easily configured as a "c7y idle rail". It is possible to move along the wire and obtain wire tension with a dark configuration.

Furthermore, by providing a hole in the piston in the moving hydraulic cylinder to communicate the upper and lower chambers of the cylinder, the drive can be made even smoother.

[Brief explanation of the drawing]

! ¥S1 figure (aHb>(c) is a schematic explanatory diagram of the present invention, a schematic explanatory diagram showing a state where the four-way valve is reversed, and an overall perspective view,
Figure 2 (a) (+3) is a side view and front view of the entire drive mechanism, Figure 3 (,) (b) is the rear side of the part where the hydraulic cylinder cap and pulley fixing base are installed. 4(a) and 4(b) are a plan sectional view of the guide rail fixing base and a plan sectional view of a portion of the slider. FIG. 5 is a partially cutaway front view of a portion of the slider. Diagram (a)
(b) is a schematic explanatory diagram and a perspective view of a conventional example, in which 1 is a hydraulic cylinder 12, a piston, 3 is a pulley, 4 is a wire, 5 is a slider 6 is a shower nozzle, 10 is a guide rail, and 10a is a guide groove. , 11 is an upper pressurizing chamber, 15 is a lower pressurizing chamber, 34 is a spring material, 40 is a camp, 43 is a notch, 45 is a protrusion, 46 is a wing portion, and 49 is a pulley fixing base. Agent Patent attorney Ishi 1) Tsuyoshi 71...Hydraulic cylinder Fig. 1 (C) 5...λ live 6...Shower nozzle 8...Casing saw...Slit Fig. 3 (b) 3...・Furi 10...Guide rail 10a...Guide groove 40...Cap 43...Notch Figure 5 Figure 6 (b) Procedure uXE Zet (voluntary) January 2, 1999

Claims (3)

[Claims] (1) A shower device that uses a water pressure cylinder to move a shower nozzle back and forth up and down, in which the top and bottom of a piston in the water pressure cylinder and the top and bottom of a slider provided with a shower nozzle are connected by wires via upper and lower pulleys. A shower device characterized in that a spring material for applying tension to the wire is arranged in the constructed loop, and a pulley fixing base for supporting a pulley is slid and fixed along a guide rail. (2) Fit the slider into the guide groove of the guide rail so that it can move up and down, and provide a notch in the guide rail.
The cap of the hydraulic cylinder and the pulley fixing base for supporting the pulley are each provided with a protrusion and a wing, and the wing is fitted into a guide groove and the protrusion is fitted into a notch. The shower device according to claim 1. (3) The shower device according to claim 1, wherein the piston in the hydraulic cylinder that moves up and down is provided with a hole that communicates the upper pressurizing chamber and the lower pressurizing chamber of the hydraulic cylinder.