JP2001073921A - Hydraulic pressure rotating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the generation of slime and dirt by excellently draining remaining water staying inside of a device. SOLUTION: In a water rotating device rotating a water wheel 5 in a water wheel chamber S1 by hydraulic pressure and rotating a rotating shaft 18 through a reduction gear in a reduction gear chamber S2 in a lower part of the water wheel chamber S1, a drain hole 6k discharging remaining water in the water wheel chamber to the outside is formed on the bottom surface of the water wheel chamber S1, and a drain hole 7d discharging remaining water of the inside is formed on the bottom surface of the reduction gear chamber S2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hydraulic rotating device.

[0002]

2. Description of the Related Art Conventionally, there is a water pressure rotating device such as a bathroom cleaning tool, a car washing tool, a body brush, etc., configured to rotate a brush or the like using water pressure. And the reduction gear room are separated into individual rooms. In such a structure, water often remains in the water turbine room, reduction gear room, etc. during storage after use. Slime and dirt are generated inside, and the dirt comes out with water at the next use.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has as its object to provide a water pressure rotating device capable of satisfactorily discharging residual water therein during storage. The first gist of the present invention relates to a hydraulic rotating device having a structure in which a water wheel in a water turbine room is rotated by using water pressure and an output rotation shaft is rotated via a reduction gear in a reduction gear room below the water turbine room. A drain hole for draining residual water to the outside is formed on the bottom surface of the chamber, separately from a drainage channel for draining the injection water injected into the water turbine. A second gist is that the drain hole is formed at a position rotated by 90 ° to 200 ° from a nozzle that injects the injection water. A third point is that a drain hole for draining residual water to the outside is also formed on the bottom surface of the speed reducer room. A fourth gist of the present invention is that the water turbine room or the reduction gear room is configured to be tilted and stored so that a drain hole is located at a lowermost end. A fifth gist is that a cleaning brush is provided at a tip of the output rotation shaft. A sixth gist is that a member is provided at the tip of the output rotary shaft to change the rotational motion into a reciprocating motion or a pressing motion.

[0004]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view of a cleaning brush showing a first embodiment of a water pressure rotating device. A cleaning brush 1 is connected to a shower hose in a bathroom and can be gripped by hand. The head unit 3 is detachably provided. The head unit 3 is formed of members as shown in the exploded views of FIGS. , A water wheel 5 and a partition member 6
And a reduction gear 18a, 19, 20 and a sprinkling plate 7 provided on the bottom side and assembled. A brush shaft 8 having a brush 9 from below is mounted on a rotating shaft 18 projecting downward from the sprinkling plate 7. It is attached detachably.

The members constituting the head 3 will be described in more detail.
5 has a structure as shown in a bottom view in FIG. 5, and an insertion projection 4a is formed integrally with the rear upper surface so as to protrude in an inclined manner. Is an inflow path R communicating with a flow path in the grip portion 2, and an O-ring groove 4b for fitting the O-ring 13 is formed on the outer peripheral side. A hook 4c is formed integrally with the rear surface of the housing 4 below the insertion protrusion 4a so as to be inclined downward and protrude.
A hook hole H is formed in c so as to be inclined and penetrate vertically.

When the O-ring 13 is fitted in the insertion protruding cylindrical portion 4a of the housing 4, the grip portion 2
The head unit 3 is configured to be detachably integrated with the grip unit 2 by inserting the stopper unit 12 from the outside. In addition, an upper portion in the housing 4 forms a water turbine room S1, and an inner peripheral side thereof is formed as shown in FIG.
As shown in FIG. 2, a partition member engaging portion 4d into which the partition member 6 is fitted in a watertight manner via an O-ring is formed in a stepped shape. The sprinkling plate engaging portion 4e into which is fitted is formed in a stepped shape. Further, as shown in FIG. 5, a nozzle recess 4f which is in communication with the inflow passage R and forms a nozzle in a concave shape is formed in a half cross-sectional shape on the rear top surface of the water turbine room S1. As a result, a concave portion 4g of the drainage channel is formed in a concave shape.

A water wheel axle 11 is vertically suspended from a boss at the center of the upper surface of the housing 4.
As shown in FIG. 2, reference numeral 1 denotes a shaft which is inserted into a shaft hole 5a which is vertically formed in the center of the water wheel 5 so that the water wheel 5 can rotate around the water wheel shaft 11. That is, the blades 5b on the outer peripheral side of the water wheel 5 are rotatably fitted into the water wheel room S1 formed in the upper portion of the housing 4.

Next, the partition member 6 will be described with reference to an enlarged perspective view of FIG. 6, a perspective view from the back side of FIG. 7, a plan view of FIG. 8, and a longitudinal sectional view of FIG. The partition member 6 is formed with an engagement projection 6a projecting upwardly into a shape that can be fitted inside the partition member engagement section 4d of the housing 4, and the inside of the engagement projection 6a is a water turbine chamber. An injection nozzle 6c that forms S1 and can inject water pressure into the water turbine chamber S1 is integrally formed on the rear side of the engagement protrusion 6a. Further, on the side of the injection nozzle 6c,
A drainage channel 6d for draining water in the water turbine room S1 downward is formed so as to penetrate vertically.

The injection nozzle 6c is connected to the housing 4
When fitted in the nozzle recess 4 on the housing 4 side
f, and the drainage channel 6d is aligned with the drainage channel recess 4g on the housing 4 side. A shaft hole 6e is formed vertically through the center of the water turbine chamber S1 of the partition member 6, and a water wheel output gear 5c formed integrally with the lower portion of the water wheel 5 is formed in the shaft hole 6e. The water turbine output gear 5c is disposed below the shaft hole 6e, and extends from the side surface to the lower surface side of the water turbine output gear 5c, as shown in FIG.
Is formed on the lower surface side of the shaft hole 6e so as to protrude downward in an inverted gate shape.
A bearing 6g for supporting the lower end of the water wheel shaft 11 is integrally formed.

Around the bearing 6 g of the partition member 6,
Forming a reduction gear chamber S2 in which the reduction gear is incorporated,
The rotating shaft support pins 14 suspended in the reduction gear chamber S2,
First reduction gear support pin 15, second reduction gear support pin 16
Pin bosses 6j, 6j, 6j for fixing the upper end of
Are formed integrally with the partition member 6, and a plurality of set screw boss holes 6h, 6h, 6h for set screws are formed integrally. As described above, the partition member 6 is formed with the water turbine room S1 on the upper surface side and the reduction gear room S2 on the lower surface side, and the bottom surface of the water turbine room S1 and the top surface of the reduction gear room S2 are separated from each other. The member 6 is formed and the water wheel axle 11
Are formed integrally with each other, and the injection nozzle 6c and the drainage passage 6d are formed integrally with the partition member 6.

As shown in FIGS. 2 and 3, a rotary shaft 18 is rotatably fitted to a rotary shaft support pin 14 vertically provided from the partition member 6, and a first reduction gear. A first reduction gear 19 is rotatably fitted to the support pin 15, and a second reduction gear 20 is rotatably fitted to the second reduction gear support pin 16. is there. The first reduction gear 19 and the second reduction gear 20 are formed by integrally forming a large gear and a small gear, respectively.
In the assembled state, the large gear above the first reduction gear 19 meshes with the turbine output gear 5c integrated with the turbine, and
The small gear of the reduction gear 19 meshes with the large gear of the second reduction gear 20, and the small gear of the second reduction gear 20 meshes with the rotary shaft gear 18a integrated with the rotary shaft. 18a, 19 and 20, the water wheel 5
Is decelerated, and the rotating shaft 18 is rotated.

Next, the water spray plate 7 forming the bottom surface of the reduction gear chamber S2 will be described. The water spray plate 7 is a plan view of FIG. 11, a perspective view of FIG. 12, and a perspective view from the back side of FIG. As shown in the figure, a rotary shaft hole 7a through which the rotary shaft 18 passes is formed in the center portion, and a plurality of ribs 7c, 7c, 7c are radially formed on the outer periphery thereof, and the ribs 7c, 7c A large number of watering holes 7b, 7b penetrating vertically are formed between them. Along with each of the ribs 7c, a drain hole 7d for draining water downward is formed vertically through separately from the water sprinkling hole 7b. Also formed on the side.

A boss portion for supporting the lower ends of the first reduction gear support pin 15 and the second reduction gear support pin 16 is formed on the water sprinkling plate 7.
Screw holes 7e, 7 through which holes can be inserted from below.
e, 7e are formed so as to penetrate vertically. The sprinkling plate 7 and the partition member 6 incorporate a rotary shaft 18, a first reduction gear 19, and a second reduction gear 20 therein, and the reduction gear chamber S
2 are integrally formed as a unit.

That is, the rotating shaft 18, the gears 19 and 20 are assembled at predetermined positions, the sprinkling plate 7 is fitted into the bottom of the partition member 6, and the set screw 22 is screwed from below into the screw holes 7e and 7e of the sprinkling plate.
, And the set screws 22 are fastened to the set screw boss holes 6h of the partition member 6, respectively, so that the set screws 22 can be unitized in advance with the reduction gears 19, 20 incorporated therein. It is configured so that the machine room S2 can be fitted into the housing 4 in a unitized state. If only the water wheel 5 is inserted into the housing 4 in advance, the partition member 6 and the The unit formed by assembling the sprinkling plate 7 can be easily incorporated, and the assembling becomes easy.

In the assembled state, the lower end of the rotary shaft 18 protrudes from the head portion 3, and the lower end of the rotary shaft 18 is fitted into the coupling fitting recess 8 a protruding from the center of the brush base 8. , Can be removably fitted with the O-ring 21 interposed therebetween. A large number of water holes 8b for draining water downward are formed vertically on the outer peripheral side of the connection fitting recess 8a.

FIG. 14 shows a state in which the head portion 3 is detached from the grip portion 2 and is hooked on a hook 23 fixed to the wall surface W of the bathroom.
3 is inserted into the hook hole H of the housing 4 so that the head portion 3 can be easily attached to the wall surface W.
And the hook projection 2 of the hook 23
On the front surface of 3a, a support surface 23b for supporting the head portion 3 in contact with and supporting the head portion 3 so that the head portion 3 is inclined downward in the hooked state is formed. It is configured so that it can be satisfactorily hooked so as not to abut. 14, the water remaining in the water turbine chamber S1 and the speed reducer chamber S2 is drained from the front end side of the partition member 6 so as to penetrate vertically. 6k, the water can flow downward through the water draining hole 7d formed through the front end of the sprinkling plate 7, and the residual water can be satisfactorily discharged in the hooked state. The unit 3 is configured to be stored in a sanitary manner.

The water jet is injected from the injection nozzle 6c into the water turbine chamber S1 and abuts against the blade 5b of the water turbine 5 to rotate the water turbine 5. The water flowing around the water turbine chamber S1 and draining from the drain passage 6d is discharged. , Does not flow out from the drain hole 6k during operation,
In addition, when hooked on the hook 23, the water in the water turbine chamber S1 flows down well from the drain hole 6k.
In this example, two water drain holes 6k of the partition member 6 are formed so as to penetrate at two positions at the front end rotated by 90 ° to 200 ° from the position of the injection nozzle 6c.

In the first embodiment, the cleaning brush in which the brush 9 is provided at the tip of the rotating shaft 18 is described.
Instead of the brush base 8 and the brush 9, a member for changing the rotational motion into a reciprocating motion or a pressing motion can be provided at the tip of the rotating shaft 18 to constitute a massage tool or the like.

FIG. 15 and FIG. 16 show a second embodiment of the hydraulic rotating device, and FIG.
Turbine 5, partition member 6, and reduction gear 1 provided inside
The configurations of 8a, 19, 20 and the sprinkling plate 7 are the same as in the first embodiment. In the second embodiment, a male spline 18b is formed at the tip of the rotating shaft 18, and this male spline 1b is formed.
A disk 31 having a spline hole 31a into which 8b is fitted at the center is held down by a holding plate 32.

That is, a fixed plate 30 is fixed to the lower surface of the water spray plate 7, and a disk 31 is rotatably provided below the fixed plate 30, and a holding plate is provided on the lower surface of the disk 31. FIG. 16 is an exploded view in which the disc 31 and the holding plate 32 are reversed, and the back surface of the disc 31 has an elliptical ball groove 31 around a spline hole 31a.
b are formed, and two balls 33, 33 are rollably arranged in the ball groove 31b so that the balls 33, 33 can roll along the elliptical ball groove 31b. The holding plate 32 is formed with a pair of reciprocating slots 32b so that the lower end of the ball 33 can protrude downward and the ball 33 can reciprocate. The rising pieces 32a, 32a integrally formed on both ends of the plate 32 are
1 is fixed to the outer periphery of the fixed plate 30 with an adhesive or the like from below to prevent the disk 31 and the ball 33 from being pulled out below.

In such a structure, when the rotating shaft 18 is rotated, the disk 31 is rotated accordingly, and the rotation of the disk 31 causes the ball 3 to move along the elliptical shape of the ball groove 31b.
Although the balls 33, 33 are about to roll, the balls 33, 33 are reciprocated by the length of the reciprocating slot 32b because they are fitted into the reciprocating slots 32b, 32b of the holding plate 32. The rotation of the disc 31 is changed to a reciprocating motion along the reciprocating slot 32b, so that the ball 33 can reciprocate. The balls 33, 33 are pressed against the shoulder or the neck, etc., so that the shoulder or the neck is good. And can be used as a massage device.

FIGS. 17 to 20 show a third embodiment of the water pressure rotating device. In this embodiment, an upper disk is fixed below a fixed plate 30 fixed to the lower surface of the water spray plate 7. FIG. 35 and lower disk 3
6 are disposed so as to be integrally rotatable, and a spacer 37 is provided outside thereof.
And a pressing plate 38 on the lower surface side of the spacer 37.
The upper disk 35 and the lower disk 36 are formed to have the same diameter, as shown in an inverted exploded perspective view of FIG. A spline hole 36a having a female spline into which the male spline 18b formed at the tip of the rotary shaft 18 fits is formed in the center, and the upper disk 35 and the lower disk 36
A pair of balls 33, 33 are incorporated so as to be able to rotate freely within the superposed surface of the lower disk 3.
6 has holes 3 so that the lower ends of the balls 33, 33 project.
6b and 36b are formed.

A pair of swinging members 39, 39 supported by the holding plate 38 and capable of swinging up and down are formed with pressing ridges 39a projecting downward in a semi-cylindrical shape. The pull-out preventing flanges 39b, 39b are integrally formed so as to protrude outward.
Are locked by long holes formed in the holding plate 38 to prevent the pulling-out from being performed downward. Further, the upper surface of each swinging member 39 has a perspective view from the upper surface side in FIG. As shown in the figure, a triangular triangular projection 39c is formed so as to protrude upward.
The ball guides 39d, 39d are formed so as to appropriately guide 3 to the triangular protrusion 39c.

As shown in FIG. 19, the pair of swing members 39, 39 are arranged with the triangular projections 39c, 39c facing each other. When the ball 36 is integrally rotated, the balls 33 revolve while rotating, and the triangular protrusions 39c,
When the user rides on 39c and presses the triangular protrusions 39c, 39c downward, the swing member 39 is inclined in the holding plate 38 as shown in FIG.
If the triangular projection 39c side in the longitudinal direction is inclined downward and protrudes downward, and if the pressing projection 39a of the swing member 39 is in contact with the shoulder or the neck at this time, the shoulder or the neck can be satisfactorily held. With the rotation of the rotating shaft 18, the pair of guide members 39 ride on the triangular protrusions 39 c, 39 c via the balls 33, 33, and are sequentially repeated. Numeral 39 alternately repeats the upward and downward tilting motions, satisfactorily hits the shoulders and neck, applies vibrations, and rubs, thereby giving a good massage effect.

FIGS. 21 to 24 show a fourth embodiment of the hydraulic rotating device. In this embodiment, an eccentric cam portion 41 is provided at the tip of the rotating shaft 18, and this cam portion 41 is provided.
Are reciprocally fitted in the oval cam insertion hole 42b of the reciprocating member 42. The reciprocating member 42 is configured to be reciprocally guided by the guide member 40,
If the handle 44 of the toothbrush 44a is fitted into the fitting groove 42c formed on the lower surface of the reciprocating member 42 with the pressing member 43 interposed, the toothbrush 44a makes a reciprocating motion,
The toothbrush can be satisfactorily performed.

FIG. 22 is an exploded perspective view in which the reciprocating member 42, the guide member 40, and the cam portion 41 are reversed, and the reciprocating member 42 has an elliptical shape in which the cam portion 41 is fitted. A cam insertion hole 42b is formed, and the reciprocating member 42
A guide protrusion 42a is formed on an outer periphery of the guide protrusion 42a so as to protrude outward, and the guide groove 40a is engaged with the guide protrusion 42a.
Is formed inside the guide member 40, and if the guide member 40 is fixedly attached to the lower surface of the sprinkling plate 7, the cam portion 41 rotates with the rotation of the rotating shaft 18, whereby the reciprocating member 42 reciprocates along the guide groove 40a.

That is, FIG. 23 shows a cross-sectional view of the state in which the reciprocating member 42 has moved away from the guide member 40, and FIG.
FIG. 3 is a cross-sectional view showing a state in which the lens has been moved in a direction approaching. In this embodiment, the toothbrush 44a is reciprocated so that the toothbrush can be brushed.
In place of a, a protrusion or the like is formed on the reciprocating member 42,
If a projection or the like is provided by another member, a massage effect such as hitting or kneading the shoulder or neck can be obtained by reciprocating motion of the projection or the like.

As described above, even if the rotating shaft 18 is rotated by the rotation force of the water wheel 5 rotated by the water pressure via the reduction gear and the brush 9 is rotated, the rotation is changed to a reciprocating motion or a pressing motion. It can be used as a massage device having the above structure.

[0029]

According to the present invention, there is provided a hydraulic rotating device having a structure in which a hydraulic turbine is rotated by utilizing hydraulic pressure, and an output rotary shaft is rotated via a reduction gear in a reduction gear room below the hydraulic turbine room. The bottom of the chamber is formed with a drain hole for draining residual water to the outside, separately from the drainage channel for draining the jet water injected into the water turbine, so that when the water turbine is stopped and stored, Since the water accumulated in the water turbine is well drained from the drain hole, almost no residual water is left in the water turbine room, and the residual water is spoiled inside to prevent slime and dirt from being generated.

Further, since the drain hole is formed at a position rotated by 90 ° to 200 ° from the nozzle for jetting the jet water, the jet water jetted from the nozzle can be satisfactorily rotated by rotating the water turbine and drained. Injection water for rotating the water turbine discharged from the road is less likely to flow out of the drain hole, and the water turbine can be efficiently rotated.

Further, a drain hole for draining residual water to the outside is also formed in the bottom surface of the reduction gear chamber, so that water accumulated in the reduction gear chamber is drained to the outside. This has the effect of eliminating the occurrence of dirt due to the decay of residual water around the gear.

Also, since the water drain hole of the water turbine room or the reduction gear room can be stored at an angle so as to be at the lowermost end, if it is stored on a hook or the like, the residual water remains inside the water drain hole. Since the water is collected and the residual water inside is naturally drained to the outside, it is not necessary to tilt the water to drain the water, and the residual water inside can be discharged well.

Also, by providing a cleaning brush at the tip of the output rotary shaft, the water wheel can be rotated by water pressure and the brush attached to the rotary shaft can be rotated to clean the bathroom well. It will be.

Further, by providing a member at the tip of the output rotary shaft for changing the rotary motion into a reciprocating motion or a pressing motion,
By changing the rotational force due to the water pressure into a reciprocating motion or a pressing motion, it is possible to massage the shoulder, the neck, and the like, so that the massage can be performed well in the bathroom.

[Brief description of the drawings]

FIG. 1 is an overall sectional configuration view of a first embodiment of a water pressure rotating device in a state where a cleaning brush is assembled.

FIG. 2 is an exploded perspective view of a constituent member of a head portion of the cleaning brush.

FIG. 3 is an exploded view of components of a similar head unit.

FIG. 4 is a longitudinal sectional view of a housing.

FIG. 5 is a bottom view of the housing.

FIG. 6 is a perspective configuration diagram of a partition member.

FIG. 7 is a perspective view from the back side of the partition member.

FIG. 8 is a plan view of a partition member.

FIG. 9 is a longitudinal sectional view of FIG.

FIG. 10 is an enlarged perspective view of a bearing portion of the partition member.

FIG. 11 is a plan view of a sprinkling plate.

FIG. 12 is a perspective configuration diagram of FIG. 11;

FIG. 13 is a perspective configuration view of the sprinkling plate viewed from the back side.

FIG. 14 is a hooking state diagram showing a state in which a head portion of a cleaning brush is hooked on a hook.

FIG. 15 is a cross-sectional configuration diagram when a hydraulic rotating device is configured as a massage device according to a second embodiment.

FIG. 16 is an exploded perspective view of the disk, the ball, and the holding plate in FIG. 15 in opposite directions.

FIG. 17 is a sectional view showing the configuration of a third embodiment of the hydraulic rotating device.

18 is an exploded perspective view of the disk and the swing member in FIG. 17 in opposite directions.

FIG. 19 is a perspective view of the swing member shown in FIG. 18 as viewed from the top.

FIG. 20 is an operation explanatory view in a state where the swinging member is tilted.

FIG. 21 is a longitudinal sectional view showing a fourth embodiment of the hydraulic rotating device.

FIG. 22 is an exploded perspective view of the cam unit, the reciprocating member, and the guide member in FIG. 21 in opposite directions.

FIG. 23 is an operation explanatory view in a state where the reciprocating member has moved in a direction away from the guide member.

FIG. 24 is an operation explanatory view showing a state in which the reciprocating member moves in a direction approaching the guide member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cleaning brush 2 Grip part 3 Head part 4 Housing 4a Inserting and projecting cylinder part 4b O-ring groove 4c Hook part 5 Water wheel 5a Shaft hole 5c Water wheel output gear 6 Partition member 6c Injection nozzle 6d Drainage channel 6e Shaft hole 6g Bearing 6k Drain hole Reference Signs List 7 sprinkling plate 7a rotating shaft hole 7b sprinkling hole 7c rib 7d drain hole 7e screw hole 8 brush base 8a coupling fitting concave portion 9 brush 11 water wheel shaft 12 pull-out prevention device 13 O-ring 14 rotation shaft support pin 15 first reduction gear support pin 16 Second reduction gear support pin 18 Rotary shaft 18a Rotary shaft gear 18b Male spline 19 First reduction gear 20 Second reduction gear 21 O-ring 22 Set screw 23 Hook 23a Hook projection 23b Support surface 30 Fixed plate 31 Disk 31a Spline hole 31b Ball groove 32 Holding plate 32a Rising piece 32b Reciprocating long hole 3 Ball 35 Upper disk 36 Lower disk 36a Spline hole 36b Ball hole 37 Spacer 38 Press plate 39 Swing member 39a Pressing ridge 39b Pull-out preventing flange 39c Triangular protrusion 39d Ball guide 40 Guide member 40a Guide groove 41 Cam part 42 Reciprocating member 42a Guide projection 42b Cam insertion hole S1 Water turbine room S2 Reduction gear room H Hook hole

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) A47L 25/00 A47L 25/00 D B08B 1/04 B08B 1/04 3/04 3/04 Z F03B 11 / 00 F03B 11/00 AF (72) Inventor Osamu Sato 80-80 Higashikiri, Shimono-no-Ishiki-cho, Nakagawa-ku, Nagoya City, Aichi Prefecture (72) Inventor Katsuhiro Nakamura 1-7-1, Shimojo-cho, Kasugai-shi, Aichi Prefecture Corp. Higashitsu B102 F term (reference) 3B116 AA31 AB52 BA02 BA13 BB03 3B201 AA31 AB52 BA02 BA13 BB03 BB92 3B202 AA15 AA28 AA44 AB20 BA18 BC01 BD06 BE02 CA08 DB04 FA15 FB01 3H072 AA03 AA27 BB24 BB31 BB40 CC42 CC42 CC42 CC82 CC82 CC82 CC

Claims (6)

[Claims] 1. A water pressure rotating device having a structure in which a water wheel in a water turbine room is rotated by using water pressure and an output rotation shaft is rotated through a reduction gear in a reduction gear room in a lower part of the water wheel room. Is a hydraulic rotating device, characterized in that a drain hole for draining residual water to the outside is formed separately from a drainage channel for draining injection water injected into the water turbine. 2. The hydraulic rotating device according to claim 1, wherein the drain hole is formed at a position rotated by 90 ° to 200 ° from a nozzle that injects the injection water. 3. The hydraulic rotary device according to claim 1, wherein a drain hole for draining residual water to the outside is also formed on a bottom surface of the reduction gear chamber. 4. The water pressure according to claim 1, wherein the water drainage hole of the water turbine room or the reduction gear room is configured to be tilted so as to be the lowest end and can be stored. Rotating device. 5. The hydraulic rotary device according to claim 1, wherein a brush for cleaning is provided at a tip of the output rotary shaft. 6. The output rotation shaft according to claim 1, wherein a member for changing a rotary motion into a reciprocating motion or a pressing motion is provided at a tip of the output rotary shaft. Hydraulic rotating device.