JP2001090147A - Private part washing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To keep a satisfactory maintenance property and keep the positioning precision of a switch block to an upper cover high. SOLUTION: In this private part washing device, a switch block 5 is arranged within the housing of a sleeve part 10 consisting of an upper cover 10b and a base 10a, and the operation part of switch of the switch block 5 is arranged on the surface of the upper cover 10b. The switch block 5 is mounted on the base 10a in such a manner that the vertical position is variable, and an elastic member 76 for energizing the switch block 5 upward to make contact with the inner surface of the upper cover 10b is provided. The maintenance property by removal of the upper cover is ensured, and the positioning precision of the switch block to the upper cover is kept high.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a local cleaning device, and more particularly to fixing a switch block.

[0002]

2. Description of the Related Art In a local cleaning device, a sleeve which is located beside a toilet is provided on a main body of the device, and a switch block is arranged on the sleeve. Of the upper cover and the base, the switch block was fixed to the base side, so that maintenance by removing the upper cover was facilitated.

[0003]

However, since the switch operating portion of the switch block is arranged on the surface of the upper cover, the assembling accuracy of the upper cover and the base and the assembling accuracy of the switch block to the base are reduced. If the height is not considerably high, the corresponding switch cannot be turned on / off properly even if the switch operating section on the upper cover surface is operated, or the light from the light emitting display means provided in the switch block is not displayed on the corresponding display on the upper cover. Leakage may occur not only from the windows but also from other display windows.

[0004] The present invention has been made in view of such a point, and an object of the present invention is to provide a local cleaning device capable of maintaining high maintainability and maintaining high positioning accuracy of the switch block with respect to the upper cover. In providing the device. To provide.

[0005]

According to the present invention, a switch block is provided in a sleeve housing including an upper cover and a base, and a switch operation section of the switch block is provided on a surface of the upper cover. The local cleaning apparatus is characterized in that a switch block is mounted on a base so as to be vertically movable and an elastic member is provided for urging the switch block upward to come into contact with the inner surface of the upper cover.

When the switch block is attached to the base, the maintenance by removing the upper cover is taken into consideration, and at the same time, the switch block is attached to the base so as to be vertically movable and urged upward by an elastic material to make the inner surface of the upper cover inner. , The positioning accuracy of the switch block in the vertical direction with respect to the upper cover can be kept high.

Further, the base and the switch block are provided with a positioning portion for positioning in one direction on a substantially horizontal surface, and the switch block and the upper cover are provided with a positioning portion for positioning in the other direction on the surface. In this case, the positioning accuracy in the left-right direction can be kept high.

[0008] A coil spring can be suitably used as the elastic member, and the other end of the coil spring whose one end is held by the base is inserted into a cylindrical spring receiving portion provided on the switch block. The coil spring can be easily assembled.

The cylindrical spring receiving portion has on its inner wall a guiding portion for guiding the other end of the coil spring, and the guiding portion gradually narrows the spring receiving portion from the opening end to the bottom. With such a configuration, the other end of the coil spring can be easily and reliably held by the spring receiving portion.

When the switch block is detachably attached to the base by a hook having spring elasticity,
Installation and maintenance replacement of the switch block are facilitated.

The holding member for holding one end of the coil spring on the base side is a plurality of bosses having different heights, and a cylindrical spring receiver for receiving the other end of the coil spring held at the tip of the boss. When the portion is formed diagonally with a plurality of guide ribs provided on the inner wall thereof and having different protrusion amounts, the switch block can be mounted without any problem even when the upper cover is not horizontal.

When a plurality of protrusions are provided on the upper surface of the switch block and the protrusions are brought into contact with the inner surface of the upper cover, rattling of the switch block can be eliminated.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will now be described in detail with reference to an example of an embodiment. The local cleaning device shown in FIG. 8 has a sleeve 1 on one side and a main body 1 attached to the rear upper part of the toilet. A toilet seat 2 rotatably attached to the body 1
The main body 1 includes a hot water tank, a hot air dryer, a deodorizer, and two types of cleaning nozzles 41 and 42 for discharging cleaning water. The switch block 5 shown in FIG. In addition, a seating sensor for detecting the user's seating on the toilet seat is provided.
The light-receiving device 19 (FIG. 6) which is projected through the light-emitting window 11 on one side and disposed in the switch block 5 in the sleeve portion 10
) Is formed as an optical sensor that detects seating by blocking infrared rays received by the seated user. When the toilet lid 3 is closed, the infrared rays reach the light receiver through the notch 31 on the base end side of the toilet lid 3 and the notch 32 provided on the sleeve 10 side of the toilet lid 3.

The switch block 5 includes a board 51 on which a plurality of tact switches 52 are mounted on the upper surface side,
A cover 53 made of synthetic resin for holding the substrate 51 with a hook 59 at the bottom opening is provided.
As shown in FIG. 7, a push button portion 55 is integrally formed via a thin elastic piece 54, and when the panel sheet 56 arranged on the top plate portion of the sleeve portion 10 is pressed, the push button portion 55 52 is driven. In the figure, reference numeral 57 denotes a connector for connecting to a control circuit arranged in the main body 1.

The switch block 5 is provided with a dial switch 6. This dial switch 6
As shown in FIGS. 4 and 10, a rotating shaft 61 is attached to the cover 53 so as to be freely rotatable around the axis, and an operation dial 62 attached to one end of the rotating shaft 61 on the upper surface side of the sleeve 10. A switch drive lever 63 that is driven with the rotation of the rotating shaft 61 to turn on and off the tact switch 52, and a spring 64 that urges the switch drive lever 63 toward the tact switch 52. The switch drive lever 63, which is rotatably supported on the inner surface of the switch 53, is turned by the bias of the spring 64 to turn on the tact switch 52. In this case, the cam 66 provided on the rotating shaft 61 pushes the switch driving lever 63 up against the spring 64 and is separated from the tact switch 52. ECTS switch 52 is turned off.

Here, the dial switch 6 can rotate the operation dial 62 right and left around the off position. When the dial 66 is turned to one side from the off position, the cam 66 switches the switch. Since the switch drive lever 63 is pushed by the spring 64 to release from the lever 63, the tact switch 52 is turned on to open the water supply solenoid valve 25 shown in FIG.
By rotating the valve shaft 44 of the nozzle block 4 shown in FIG. 3, a passage to one nozzle 41 is opened. When the operation dial 62 is rotated to the other side, the water supply electromagnetic valve 25 is opened by turning on the tact switch 52, and the valve shaft 44 is rotated to open a passage to the other nozzle 42 side. Further, the amount of water supplied from the water passage 40 passing through the valve shaft 44 to the nozzles 41 and 42 is changed according to the amount of rotation of the operation dial 62.

The rotation of the valve shaft 44 accompanying the rotation of the operation dial 62 of the dial switch 6 is shown in FIGS.
As shown in FIG. 2, the dial switch 6 and the nozzle block 4 are connected to each other by a rack plate 7 having a flat cross section and slidably disposed on the bottom plate of the housing of the main body 1 and the sleeve 10. The rack plate 7 engages the rack 70 with a pinion 69 formed at the lower end of the rotary shaft 61 on the lower surface side of the substrate 51 on the dial switch 6 side, and is formed at the lower end of the valve shaft 44 on the nozzle block 4 side. The rack 71 is engaged with the pinion 49 and is formed of a synthetic resin having a low coefficient of friction and has flexibility, and is formed by an arc-shaped guide rib 81 provided integrally on the bottom plate of the housing. In the guide groove. When the rotating shaft 61 is rotated by the operation dial 62, the rack plate 7 slides to rotate the valve shaft 44. In FIG. 12, reference numeral 82 denotes a bridge for preventing the rack plate 7 from coming off, and reference numeral 83 denotes a protrusion at the bottom of the guide groove for reducing the frictional resistance that floats the rack plate 7.

Next, the mounting structure of the switch block 5 will be described. A plurality of bosses 75 having different heights are erected from the upper surface of the base 10a constituting the housing of the sleeve 10 and the upper cover 10b. Then, one end of a coil spring 76 is attached to the upper end of the boss 75, and a cylindrical spring receiving portion 90 which opens downward at four corners of the cover 53 of the switch block 5 is provided on the spring receiving portion 90. The upper end side of the coil spring 76 is inserted. Also,
A hook 95 protruding from the cover 53 of the switch block 5 toward the base 10a is inserted into and engaged with a hole 78 of a hook receiving portion 77 erected from the base 10a.

Here, the hook 95 and the hook receiving portion 77 function as stoppers for preventing the switch block 5 from coming off the base 10a.
The vertical movement of the switch block 5 within a small range with respect to 0 is allowed. After the switch block 5 is mounted on the base 10a as described above, the upper cover 10b is put on and the upper cover 10b is fixed to the base 10a. Then, the switch block 5 is pressed by the upper cover 10b and sinks, and abuts against the inner surface of the upper cover 10b by the force of the spring 76.
There is no vertical displacement between the upper cover 10b and the switch block 5.

The width of the hole 78 of the hook receiving portion 77 is determined by positioning the switch block 5 in the longitudinal direction at the time of engagement with the hook 95 which is slightly tapered as shown in FIG. A long hole 9 long in the longitudinal direction of the switch block 5 provided on the top surface of the cover 53 of the block 5.
6, positioning projections 10 protruding from the inner surface of the upper cover 10b.
When c (see FIG. 5) enters, the switch block is positioned in the short direction, so that there is no lateral displacement between the switch block 5 and the upper cover 10b. In particular, since the positional displacement in the longitudinal direction is prevented with respect to the base 10a, the positional relationship between the rack plate 7 and the dial switch 5 does not deviate.

Further, the sleeve portion 10 in the illustrated example is designed so that the upper surface thereof is a compound inclined surface with the upper surface being lower on the outer side and the distal end side. Although the boss 75 is inclined along the upper cover 10b, the height of the boss 75 is set in accordance with the inclination so that each coil spring 76 exerts the same spring force. 5 does not float from the inner surface of the upper cover 10b.

The spring receiving portion 90 of the switch block 5 has a guide rib 91 on its inner surface, the guide rib 91 for making the bottom narrower than the opening side, so that the coil spring 75 can be easily inserted. The projecting length of the plurality of guide ribs 91 surrounding the coil spring 75 is changed, and the coil spring 76 projecting vertically upward from the upper end of the upright boss 75 is formed on the bottom surface as an inclined surface 92 (see FIG. 4) for convenience of molding. To the spring receiving portion 9 of the tilted switch block 5.
Since the coil spring 76 is settled cleanly, a strange load is not applied to the coil spring 76, so that the switch block 5 is not smoothly pushed up by the coil spring 76.

In addition, on the upper surface side of the switch block 5, a plurality of hemispherical protrusions 94 are projected from the upper surface of the cover 53 at positions directly above the spring receiving portions 90, respectively.
Since the protrusion 94 is in contact with the inner surface of the upper cover 10b, the switch block 5 does not rattle against the upper cover 10b. Although ribs 97 for reinforcement are provided on both side edges of the upper surface of the switch block 5, as shown in FIG. 2, grooves 10d for accommodating the ribs 97 are provided on the inner surface of the upper cover 10b. The existence of the rib 97 does not impair the reason for the existence of the projection 94.

[0024]

As described above, according to the present invention, a local portion in which a switch block is disposed in a sleeve housing including an upper cover and a base, and a switch operating portion of the switch block is disposed on a surface of the upper cover. In the cleaning device, the switch block is mounted on the base so that the switch block is vertically movable, and the switch block is mounted on the base by providing an elastic member for urging the switch block upward to contact the inner surface of the upper cover. In addition, maintenance is easy with the upper cover removed, and the switch block is urged upward by an elastic material and contacts the inner surface of the upper cover, so that the positioning accuracy of the switch block with respect to the upper cover in the vertical direction is improved. Can be kept high.

The base and the switch block are provided with a positioning portion for positioning in a substantially horizontal plane in one direction, and the switch block and the upper cover are provided with a positioning portion for positioning in the other direction on the surface. In this case, the positioning accuracy in the left-right direction can be kept high.

A coil spring can be suitably used as the elastic member. The other end of the coil spring, one end of which is held by the base, is inserted into a cylindrical spring receiving portion provided on the switch block. By doing so, the coil spring can be easily assembled.

The above-mentioned cylindrical spring receiving portion has a guide portion for guiding the other end of the coil spring on the inner wall thereof, and the guide portion gradually narrows the spring receiving portion from the opening end to the bottom. Thus, the other end of the coil spring can be easily inserted into the spring receiving portion, and the other end of the coil spring can be securely held by the spring receiving portion without rattling.

When the switch block is detachably attached to the base by a hook having spring elasticity, the attachment and maintenance replacement of the switch block become easy.

The holding member for holding one end of the coil spring on the base side is a plurality of bosses having different heights, and a cylindrical spring receiver for receiving the other end of the coil spring held at the tip of the boss. The part is formed diagonally with a plurality of guide ribs with different protrusion amounts provided on the inner wall,
Even if the upper cover is not horizontal for design reasons, the switch block can be mounted without any problem.

Further, when a plurality of protrusions are provided on the upper surface of the switch block and the protrusions are brought into contact with the inner surface of the upper cover, rattling of the switch block can be eliminated.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of an example of an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the same.

FIGS. 3A and 3B show a retaining engagement portion between a switch block and a base, where FIG. 3A is a partial front view and FIG. 3B is a cross-sectional view.

FIG. 4 is a longitudinal sectional view of the switch block of the above.

FIG. 5 is a plan view of the same switch block.

FIG. 6 is a bottom view of the same switch block.

FIG. 7 is a side view of the above switch block.

FIG. 8 is a perspective view showing the entire local cleaning device of the above.

FIG. 9 is a perspective view showing a bottom side of the local cleaning device of the above.

FIG. 10 is an exploded perspective view of the switch block.

FIG. 11 is a perspective view showing an interlocking structure between a dial switch and a nozzle block according to the embodiment.

FIG. 12 is a plan view showing an interlocking structure of the above.

FIG. 13 is a horizontal sectional view showing a nozzle switching and water amount adjusting structure of the nozzle block of the above.

[Explanation of symbols]

 5 Switch Block 10 Sleeve 10a Base 10b Upper Cover 76 Coil Spring

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masaru Kajiwara 1048 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Inventor Takeshi Maki 207 Bachimachi, Kiyosu-cho, Nishi-Kasugai-gun, Aichi 207 Nagoya Matsushita Electric Works Co., Ltd. F-term (reference) 2D038 JC01 JF00

Claims (7)

[Claims] 1. A local cleaning device in which a switch block is disposed in a sleeve housing including an upper cover and a base, and a switch operation unit of the switch block is disposed on a surface of the upper cover. A local washing device characterized by having a vertically movable position and a resilient member for urging the switch block upward to contact the inner surface of the upper cover. 2. The base and the switch block each include a positioning portion that performs positioning in one direction on a substantially horizontal surface, and the switch block and the upper cover include a positioning portion that performs positioning in the other direction on the surface. The local cleaning device according to claim 1, wherein 3. The elastic member is a coil spring, and the coil spring, one end of which is held by the base, is inserted at the other end thereof into a cylindrical spring receiving portion provided on the switch block. The local cleaning device according to claim 1. 4. The tubular spring receiving portion has a guiding portion for guiding the other end of the coil spring on the inner wall thereof, and the guiding portion gradually narrows the spring receiving portion from its open end toward the bottom. 4. The local cleaning device according to claim 3, wherein the cleaning device is used. 5. The local cleaning device according to claim 1, wherein the switch block is detachably attached to the base by a hook having spring elasticity. 6. A holding member for holding one end of a base-side coil spring is a plurality of bosses having different heights, and a cylindrical spring receiver for receiving the other end of the coil spring held at the tip of the boss. 6. The local cleaning device according to claim 4, wherein the portion is formed obliquely by a plurality of guide ribs provided on an inner wall thereof and having different protrusion amounts. 7. The switch block according to claim 1, wherein the switch block has a plurality of protrusions on an upper surface thereof, and the protrusions are brought into contact with an inner surface of the upper cover. Local cleaning equipment.