JPH11264172A - Flusing nozzle unit of human private parts flushing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the flushing nozzle unit of a small-sized human private parts flushing device, in which the number of constituting parts can be decreased and which can be manufactured easily. SOLUTION: The flushing nozzle unit 2 of the human private parts flushing device ejecting flushing water from a flushing nozzle 9 has a guide member 29 guiding the flushing nozzle 9 in a manner that the nozzle 9 can be forwarded and retreated and a driving means (a driving unit 31) detachably installed to the guide member 29 and forwarding and retreating the flushing nozzle 9. The flushing nozzle 9 has a first abutting section (a stopper 43b) butted against the driving means (the driving unit 31) at a first place, where the range of forwarding is controlled, and a second abutting section (a stopper 43a) butted against the driving means at a second place, where the range of a retreat is controlled.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning nozzle unit of a human body part cleaning apparatus for cleaning a human body part by jetting cleaning water from a cleaning nozzle.

[0002]

2. Description of the Related Art In general, a human body local cleaning device is mounted on a toilet seat and ejects cleaning water from a cleaning nozzle by a user's operation, but the cleaning nozzle advances when cleaning is performed and retreats when cleaning is completed. It is supposed to.

As shown in FIGS. 10 and 11, a cleaning nozzle unit (hereinafter simply referred to as a “cleaning nozzle unit”) 101 of a conventional human body local cleaning apparatus includes a cleaning nozzle 10.
3 and a drive unit 105 for driving the cleaning nozzle 103 so as to be able to move forward and backward.
The rack gear 109 formed in the third cylinder 107 meshes with the reduction gear 113 of the drive unit 105, and the cleaning nozzle 103 is advanced and retracted by driving the motor 115.

When the cleaning nozzle 103 advances and retreats, in the forward direction, the protrusion 117 of the cylinder 107 is brought into contact with a stopper 117 provided on the guide member 106 to regulate the forward range. The teeth 109 a of the rack gear 109 are brought into contact with 117 to regulate the range of movement of the cleaning nozzle 103.

On the other hand, in the human body cleaning device, the motor 11
There is a case where an apparatus (product) having a specification in which the cleaning nozzle 103 is not moved forward / backward by the drive of No. 5 is manufactured. In this case, the drive unit 105 is not attached, and the cylinder 107 of the cleaning nozzle 103 is fixed to the guide member 106. Therefore, in the case of a specification in which the drive unit 105 is not mounted,
The cylinder 107 is, as shown in FIG.
20 are provided. When the cleaning nozzle 103 is not moved forward and backward, only the nozzle 125 (see FIG. 10) is extended by the water pressure of the cleaning water, and is retracted by the urging force of the spring 127 (see FIG. 10). The washing position in this case is
The flange 125a of the nozzle 125 shown in FIG.
No. 7 is only the specified position in contact with the step 107a.

[0006]

However, in the cleaning nozzle unit 101 having the above-described drive unit, the stopper 117 needs to be provided on the guide member 106 in order to regulate the moving range, so that the number of parts increases. There is a problem that.

[0007] Further, for those without the drive unit 105, it is necessary to provide a fixing flange 120 on the cylinder 107. Has to be manufactured separately, which causes a problem that the manufacturing process becomes complicated. Further, since the fixing flange 120 is provided on the cylinder 107, there is a problem that the size of the apparatus is increased.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a small-sized cleaning nozzle unit for a human body part cleaning apparatus which can reduce the number of parts and can be easily manufactured.

[0009]

According to the first aspect of the present invention, as shown in FIGS. 3 and 5, a cleaning nozzle unit 2 for a human body local cleaning apparatus for jetting cleaning water from a cleaning nozzle 9 is provided.
, A guide member 29 for guiding the cleaning nozzle 9 so as to be able to move forward and backward, and a driving means (drive unit 31) detachably mounted on the guide member 29 for moving the washing nozzle 9 forward and backward, At the first position that regulates the range in which the drive unit (the drive unit 3
1) a first contact portion (stopper 43b) that contacts the drive means at a second position that restricts the range of retreat; and a second contact portion (stopper 43a) that contacts the drive unit.

According to the first aspect of the present invention, the driving means (driving unit 31) is provided so as to be detachable, and in an apparatus having a specification in which the cleaning nozzle 9 is driven by the driving means (driving unit 31), the driving means (driving unit 31) is provided. The drive unit 31) is mounted on the guide member 29. When the cleaning nozzle 9 is moved forward and backward by the driving means (the driving unit 31), when the cleaning nozzle 9 is advanced, the first contact portion (stopper 43b) provided on the cleaning nozzle 9 at the first position is driven by the driving means (the stopper 43b). Abuts on the drive unit 31). When it is retracted, the second contact portion (stopper 43a) provided on the cleaning nozzle 9 at the second position comes into contact with the drive means (drive unit 31). The first position regulates the movement of the cleaning nozzle 9 on the forward side of the cleaning nozzle 9, and the second position regulates the movement of the cleaning nozzle 9 on the retreat side of the cleaning nozzle. According to the present invention, the driving unit (the driving unit 3) does not need a separate stopper member for regulating the first position and the second position.
Since it is configured to make contact with this by utilizing 1), the number of parts can be reduced, the device can be easily manufactured, and the device can be downsized. In an apparatus having no drive means (drive unit 31), the drive means (drive unit 31) can be used as it is without being mounted on the guide member 29, so that parts can be shared.

According to a second aspect of the present invention, in the first aspect, the first contact portion (stopper 43b) and the second
The contact portion (stopper 43a) is a protrusion projecting from the cleaning nozzle 9, and the first contact portion (stopper 43b) contacts a part of the case (gear case 47) of the driving means at the first position. The second contact portion (stopper 43a) contacts the other portion of the case (gear case 47) of the driving means at the second position.

According to the second aspect of the present invention, since the first contact portion (stopper 43b) and the second contact portion (stopper 43a) are projections formed on the cleaning nozzle 9, the configuration is simple. In addition, since it can be formed integrally with the cleaning nozzle 9, the production is easy.

[0013] The invention according to claim 3 is the invention according to claim 1 or 2.
In the invention described in (1), the guide member 29 includes a locking means (locking piece 51 (see FIG. 9)) for locking to the cleaning nozzle 9 when the driving means (driving unit 31) is not mounted, and the driving means (driving The unit 31) includes release means (gear case 47) for releasing the locking means (locking piece 51) when mounted on the guide member 29, and the driving means (drive unit 31).
When the camera is mounted, the locking means (locking piece 51) is released to enable the cleaning nozzle 9 to advance and retreat.

According to a fourth aspect of the present invention, in the cleaning nozzle unit 2 of the cleaning device for a local part of a human body for ejecting the cleaning water from the cleaning nozzle 9, a guide member 29 for guiding the cleaning nozzle 9 so as to be able to advance and retreat, and the guide member And a driving unit (drive unit 31) which is detachably mounted on the cleaning nozzle 9 and moves the cleaning nozzle 9 forward and backward. The guide member 29 is locked to the cleaning nozzle 9 when the driving unit (drive unit 31) is not mounted. Locking means (locking piece 51 (see FIG. 9)), and the driving means (drive unit 31) releases the locking means (locking piece 51) when mounted on the guide member 29. Means (gear case 47), wherein when the driving means (drive unit 31) is mounted, the locking means (locking piece 51) is released to enable the cleaning nozzle 9 to advance and retreat.

According to the third and fourth aspects of the present invention,
When the drive means (drive unit 31) is not mounted,
When the locking means (locking piece 51) is locked to the cleaning nozzle 9 and fixed to the guide member 29, and the driving means (drive unit 31) is mounted, the driving means (drive unit 31) is locked by the locking means ( The engagement between the locking piece 51) and the cleaning nozzle 9 is released. Thus, the cleaning nozzle 9 can be moved when the driving unit (the driving unit 31) is mounted, and the cleaning nozzle 9 can be moved forward and backward by the driving unit (the driving unit 31).

The invention according to claim 5 is the invention according to claim 3 or 4.
As shown in FIG. 9, the driving means (driving unit 31) includes a motor 45 and a reduction mechanism 49 including a plurality of gears (reduction gears 35 and 36).
And a gear case 47 accommodating a motor 45 and a speed reduction mechanism 49, and the locking means (locking piece 51) is
9, the release means is a part of the gear case 47, and when the drive means (drive unit 31) is mounted, the gear case 47 is locked by the lock means (lock piece 51). ) To elastically deform the cleaning nozzle 9
Is disengaged.

According to the fifth aspect of the present invention, when the driving means (driving unit 31) is mounted, the gear case 47 presses the elastically deformable member which is the locking means (the locking piece 51), and The stopping means (locking piece 51) is elastically deformed to release the engagement with the cleaning nozzle 9. Since the locking means (locking piece 51) is made of an elastically deformable member, the structure is simple, and the cleaning nozzle 9 is detached by attaching and detaching the driving means (drive unit 31).
Can be easily fixed and released.

[0018]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a perspective view showing a state where the human body part cleaning device 1 according to the present embodiment is installed on a toilet, FIG. 2 is a block diagram showing a configuration of the human body part cleaning device 1, and FIG. FIG. 4 is a longitudinal sectional view of the cleaning nozzle unit 2 in a state where the nozzle 17 and the spring 19 are removed, and FIG. 5 is a longitudinal sectional view of the cleaning nozzle unit 2 in a forward position. .

As shown in FIG. 1, a human body local cleaning device 1
Includes a main body 5 attached to the toilet bowl 3 and an operation unit 7 for controlling the driving of the main body 5.
The washing nozzle 9 which moves forward and backward by the operation is provided.
At the time of cleaning, the cleaning water is jetted toward the human body part at the position where the cleaning nozzle 9 advances.

As shown in FIG. 2, the main body 5 is configured such that a hot water tank 13 is connected to the water channel opening / closing valve 11, and the washing nozzle 9 is connected to the hot water tank 13.

The water channel opening / closing valve 11 is not particularly limited as long as it is a water channel from the water main to the washing nozzle 9 and can be selectively opened / closed. Is possible. Specifically, a solenoid valve with good responsiveness is preferable.

The main body 5 is preferably provided with a heating means for heating room temperature water. The heating means is not particularly limited as long as it can be heated to the required warm water in order to perform local cleaning of the human body, and any suitable heating means can be used. Specifically, it is preferable to heat with a heating wire provided in the hot water tank 13.

The washing nozzle 9 is not particularly limited as long as it can eject washing water to a local part of a human body, and may have a structure of a washing nozzle as appropriate. In the present embodiment, as shown in FIG.
Cylinder 15 and nozzle 17 housed in cylinder 15
The nozzle 17 is urged by a spring 19 in a retracting direction (storage direction). The nozzle 17 has a cleaning water jetting hole 21 formed at the front end and a cleaning water introduction hole 23 formed at the rear end. Further, at the rear end, washing water is introduced from a washing water inlet 27, and a hydraulic expansion / contraction nozzle which uses the pressure of water flowing into the cylinder 15 to move the nozzle 17 from the storage position to the washing position. Is used.

The cleaning nozzle unit 2 according to the present embodiment includes the above-described cleaning nozzle 9 and a guide member 29 for guiding the cleaning nozzle 9 so as to be able to advance and retreat.
Is provided with a detachable drive unit 31 for moving the cleaning nozzle 9 forward and backward.

A rack gear 33 is formed on the lower side of the cylinder 15 of the cleaning nozzle 9, and a drive unit 31 is provided.
When the rack gear 33 is mounted, the rack gear 33 meshes with the reduction gear 35 of the drive unit 31. Also, the cylinder 15
As described above, the nozzle 17 is slidably provided inside the cylinder. One end of a spring 19 for urging the nozzle 17 in the retreating direction is locked to the distal end portion 15a of the cylinder 15, and The other end of 19 is locked by a flange 25 formed on the rear end side of the nozzle 17 and urges the nozzle 17 toward the storage side (wash water inflow side) with respect to the cylinder 15. Note that a packing 26 is disposed on the collar 25.

As shown in FIG. 4, guide pieces 37a and 37b are formed at substantially horizontal positions on the cylinder 15, and these guide pieces 37a and 37b
9 slides in a guide groove 39 provided therein.
Thus, the guide member 29 guides the cleaning nozzle 9 so as to be able to advance and retreat.

When the cleaning nozzle 9 is mounted on the guide member 29, the driving unit 31 is not mounted yet, and there is no member that comes into contact with the stoppers 43a and 43b (described later) of the cylinder 15. It can be easily attached to the guide member 29 without any obstacle.

The guide groove 39 is formed on both side walls 2 of the guide member 29.
9a, 29b, are formed on the upper side, and both side walls 29a,
The drive unit 31 is detachably mounted between 29b.

The drive unit 31 houses a plurality of gears (reduction gears 35 and 36) constituting a reduction mechanism 49 and a motor 45 in a gear case 47. The motor 45 is fixed to the gear case 47. I have. A reduction gear 35 meshes with a gear 36 press-fitted into the output shaft of the motor 45. The reduction gear 35 is rotatably supported by a gear case 47. As described above, the reduction gear 35 is mounted so as to mesh with the rack gear 33 of the cylinder 15 (see FIG. 3).

As shown in FIG. 3, the gear case 47 has side walls 41a and 41b at least on both sides in the moving direction of the cylinder 15, and is provided between the movement paths of the stoppers 43a and 43b provided on the cylinder 15. And can contact these stoppers 43a, 43b.

Next, the operation of the cleaning nozzle unit 2 according to the first embodiment will be described. As shown in FIG. 1, when the user sits on the toilet seat and uses the toilet, and selects and operates a washing switch (not shown) provided on the operation unit 7, the water supply unit opens and closes the water channel as shown in FIG. 2. Wash water is supplied into the cylinder 15 from the wash water inlet 27 through the valve 11 and the hot water tank 13 as shown in FIG. With the pressure of this supplied washing water,
The nozzle 17 is opposed to the cylinder 15 against the force of the spring 19.
Inside, and extend from the tip 15a of the cylinder. At this time, the washing water is partially ejected from the ejection hole 21 through the water passage portion 17a in the nozzle 17, but the cylinder 15
Part of the gas leaks from the gap between the nozzle and the nozzle 17 (the tip 15a of the cylinder), and does not reach the human body part.

On the other hand, when the nozzle 17 is completely extended by water pressure, the water channel flowing into the gap between the cylinder 15 and the nozzle 17 is sealed by the packing 26, so that all the supplied washing water is ejected from the ejection hole 21. To the local body and clean.

The motor 45 is driven via a control board (not shown) by operating the position of the nozzle 17 by a nozzle position adjusting switch (not shown) provided on the operation unit 7 (see FIG. 1). The power is transmitted via the reduction gear 35 to move the cylinder 15. As a result, the cleaning position moves.

When the cylinder 15 moves in the extending direction of the nozzle 17 as shown in FIG. 5, the cylinder 15 moves in the extending direction until the stopper 43b provided on the cylinder 15 contacts the side wall 41b of the gear case 47. Since it stops when it comes into contact with the side wall 41b, the movement range in the extension direction is restricted.

On the other hand, as shown in FIG. 3, when the cylinder 15 is retracted in the storage direction of the nozzle 17, the stopper 43a provided on the cylinder 15 moves in the storage direction until it comes into contact with the side wall 41a of the gear case 47. Since it stops when it comes into contact with 41a, the range of movement in the storage direction is restricted. That is, the range of the distance L shown in FIG.
The movement range is regulated so that 5 moves.

As described above, according to the present embodiment, the movement range of the cylinder 15 is restricted by mounting the motor 45 for moving the cylinder 15 and the gear case 47 incorporating the reduction gear 35 on the guide member 29. You. In other words, only by incorporating the drive unit 31,
The movement range of the washing position can be easily regulated.

Next, a second embodiment will be described with reference to FIGS. 6 is a cross-sectional view showing a state where the drive unit 31 is not mounted on the cleaning nozzle unit 2, FIG. 7 is a vertical cross-sectional view showing the cleaning nozzle unit 2 excluding the nozzle 17 and the spring 19, and FIG. FIG. 9 is a cross-sectional view showing a state where the drive unit 31 is mounted, and FIG. 9 is a vertical cross-sectional view showing the state excluding the nozzle 17 and the spring 19.

In the second embodiment, a locking piece 51 capable of locking the cylinder 15 to the guide member 29 is mainly used.
(Refer to FIG. 7 and FIG. 9) is different from the above-described first embodiment. Therefore, in the following description, the different points from the first embodiment will be described, and the same as the first embodiment will be described. The same reference numerals are given to the portions, and the detailed description of the portions is omitted.

As shown in FIG. 9, the locking piece 51 projects from the side wall 29a of the guide member 29 to the cylinder 15 side. On the other hand, the rack gear 33 is
On the side where the locking piece 51 is formed (see FIG. 8), a concave engaging portion 53 that can lock the locking piece 51 is formed.

In the second embodiment, when the drive unit 31 is not mounted, the engaging piece 51 provided on the guide member 29 is fitted into the engaging portion 53 of the cylinder 15 as shown in FIG. Then, the cylinder 15 is fixed so as not to move.

On the other hand, in a model having a specification in which the drive unit 31 is mounted, the cleaning unit 2 without the drive unit 31 shown in FIGS. 6 and 7 is used as it is, and the drive unit 31 is mounted on the guide member 29. When the drive unit 31 is mounted between the side walls 29a and 29b of the guide member 29, the locking piece 51 is pushed out as shown in FIG. Cancel the match. Thereby, the cylinder 15 becomes movable.

In the second embodiment, FIGS. 6 and 7
The drive unit 31 is mounted on the cleaning nozzle unit 2 having no drive unit 31 shown in FIG.
The cleaning nozzle unit of another specification capable of controlling the position can be used. That is, the other components such as the cylinder 15 are the same only by adding the drive unit 31, so that the components can be shared for devices having different specifications. In particular, since there is no need to separately provide a fixing flange on the cylinder 15 unlike the conventional case, the size of the apparatus can be reduced.

The present invention is not limited to the above embodiment,
Various modifications can be made without departing from the spirit of the present invention.

[0044]

According to the first aspect of the present invention, the first contact portion and the second contact portion provided on the cleaning nozzle are brought into contact with the driving means to regulate the moving range of the cleaning nozzle. Therefore, the number of parts can be reduced and the device can be easily manufactured. Further, in an apparatus which does not use the driving means, the driving means can be used as it is without being mounted on the guide member, so that parts can be shared without separately manufacturing the guide member.

According to the second aspect of the invention, since the first contact portion and the second contact portion are formed as projections formed on the cleaning nozzle, the configuration is simple, and furthermore, the cleaning nozzle is integrally formed. Possible and easy to manufacture.

According to the third and fourth aspects of the present invention, when the driving means is not mounted, the locking means is locked to the cleaning nozzle and fixed to the guide member, and the driving means is mounted. Since the driving means is configured to release the engagement between the locking means and the cleaning nozzle, it is possible to easily manufacture the one with and without the driving means only by attaching and detaching the driving means. Further, the components can be shared.

According to the fifth aspect of the invention, since the gear case of the driving means elastically deforms the locking means to release the engagement between the cleaning nozzle and the guide member, the structure is simple and The cleaning nozzle can be easily fixed and released.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the appearance of a human body local cleaning device.

FIG. 2 is a block diagram schematically showing a configuration of a human body local cleaning apparatus.

FIG. 3 is a vertical sectional view of the cleaning nozzle unit according to the first embodiment.

FIG. 4 is a cross-sectional view of the cleaning nozzle unit shown in FIG. 3 taken along line AA.

5 is a longitudinal sectional view showing a state where a cylinder of the cleaning nozzle unit shown in FIG. 3 is extended.

FIG. 6 is a vertical sectional view of a cleaning nozzle unit according to a second embodiment.

FIG. 7 is a cross-sectional view of the cleaning nozzle unit shown in FIG. 6 taken along line CC.

FIG. 8 is a longitudinal sectional view showing a state where a drive unit is mounted on the cleaning nozzle unit shown in FIG. 7;

FIG. 9 is a cross-sectional view of the cleaning nozzle unit shown in FIG. 8 taken along line BB.

FIG. 10 is a longitudinal sectional view of a conventional cleaning nozzle unit.

11 is a cross-sectional view of the cleaning nozzle unit shown in FIG.

FIG. 12 is a perspective view schematically showing a conventional cylinder.

[Explanation of Codes] 1. local cleaning device for human body; Cleaning nozzle unit,
3. Toilet bowl, 5. Body 7. Operation unit, 9. Washing nozzle,
11. 12. water channel opening and closing valve; 14. hot water tank; Cylinder, 15a. 17. tip of cylinder; nozzle,
17a. Water passage section, 19. Spring, 21. Vent holes, 23. Introduction hole, 25. Tsuba, 26. Packing,
27. Wash water inlet, 29. Guide member, 29a.
Sidewalls, 29b. Sidewall, 31. Drive unit (drive means); 33. Rack gear, 35. Reduction gear, 3
6. Gears, 37a, 37b. Guide piece, 39. Guide groove, 41a, 41b. Sidewalls, 43a, 43b. Stopper, 45. Motor, 47. 49. a gear case (a case for the driving means); Reduction mechanism, 51. Locking piece (locking means), 53. Engagement portion, 101. Cleaning nozzle unit, 103. Cleaning nozzle, 105. Drive unit,
106. Guide member, 107. Cylinder, 107
a. Step, 109a. Tooth, 110. Guide piece, 10
9. Rack gear, 113. Reduction gear, 115. Motor, 117. Stopper, 119, 121. protrusion,
120. Tsuba, 125. Nozzle, 125a. Tsuba,
127. spring.

Claims (5)

[Claims] 1. A cleaning nozzle unit of a human body local cleaning apparatus for ejecting cleaning water from a cleaning nozzle, comprising: a guide member for guiding the cleaning nozzle so as to be able to move forward and backward; A driving means for moving forward and backward, wherein the cleaning nozzle is provided with a first contact portion which contacts the driving means at a first position which regulates a forward moving range, and a driving means which moves at a second position which regulates a retreating range. A cleaning nozzle unit for a human body part cleaning device, comprising: a second abutting portion that abuts. 2. The first contact portion and the second contact portion are projections protruding from a cleaning nozzle, and the first contact portion abuts a part of a case of a driving means at a first position. The cleaning nozzle unit according to claim 1, wherein the second contact portion contacts the other portion of the case of the driving means at the second position. 3. The guide member includes locking means for locking the cleaning nozzle when the driving means is not mounted, and the driving means includes release means for releasing the locking means when mounted on the guide member. 3. The cleaning nozzle is made movable when the means is mounted by releasing the locking means.
A cleaning nozzle unit for a human body local cleaning apparatus according to any one of the above. 4. A cleaning nozzle unit of a human body local cleaning apparatus for ejecting cleaning water from a cleaning nozzle, comprising: a guide member for guiding the cleaning nozzle so as to be able to move forward and backward; Driving means for moving forward and backward, the guide member includes locking means for locking to the cleaning nozzle when the driving means is not mounted, and the driving means releases the locking means when mounted on the guide member. A cleaning nozzle unit for a human body local cleaning device, further comprising a releasing unit for releasing the locking unit when the driving unit is mounted, thereby enabling the cleaning nozzle to advance and retreat. 5. The driving means includes a motor, a speed reduction mechanism composed of a plurality of gears, and a gear case accommodating the motor and the speed reduction mechanism, and the locking means is an elastically deformable member integrally provided on the guide member. A release unit, which is a part of the gear case, wherein when the driving unit is mounted, the gear case presses the locking unit to elastically deform it, thereby releasing the engagement with the cleaning nozzle. The cleaning nozzle unit for a human body local cleaning apparatus according to claim 3 or 4.