Note : Les descriptions sont présentées dans la langue officielle dans laquelle elles ont été soumises.
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STERILIZER FOR TOILET SPRAY ATTACHMENT
Umann's U. S. Patent No. 2,875,450 disclosed a device for
automatically applying water for cleansing purpose and for applying
forced draft of warm air to the cleansed parts oF the user's body,
which however did not provide means to apply sterilizlng agent or
cleaning chemical on the user's body for enhanced hygienic purpose.
If by further injecting a sterilizing or cleaning agent into the
delivery tube, the chemical mixed with the water stream may
contaminate the rela-ted electric apparatus in the water delivery
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system.
The present inventor has found the defects of such a conventional
water-spray toilet and invented the present sterilizer for toilet
spray attachment.
- According to the present invention there is provided a sterilizer
filled with sterillzing agents or cleaning chemicals which will be
conveniently directed into the spray nozzle~adap-ted ~or spraying and
~ cleanslng an user's anus or genitals for hygienlc purposen
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The present invention will be further described with reference to
the accompanying drawings, in which:-
Figure 1 is an illustration of the present invention.
Figure 2 is a sectional drawing of the present invention.
Figure 3 shows another preferred embodiment oF the presentinvention.
Figure 4 is a systematic illustration showing still another
preferred embodiment of the present invention.
Figure 5 is a sectional drawing of the present invention as
viewed from II direction of Figure 4.
Figure 6 is a side-view drawing of the present invention as viewed
from Figure 5.
Figure 7 shows a rear spray nozzle of the present invention as
shown in Figure 4.
Figure 8 shows a front spray nozzle of the present invention as
shown in Figure ~.
Figure 9 shows further preferred embodiment of the automatic
closer of the present invention.
As shown in Figures 1 and 2, the present invention comprises a
toilet bowl 1~ a toilet seat 2, a warm water reservoir 3, a pair of
water valves 41, 42 fixed on the two branch conduits 51, 61 communicated
~with the water reservoir 3, a rear spray nozzle 5, a front spray nozzle
6 and a pair of sterilizers 7.
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Each sterilizer 7 includes a liquid reservoir 71 having a top
cover 72 drilled with a venting hole 73 on the cover 72, a delivery
tube 74 connected with the reservoir 71, a mixing portion 75 perpendi-
cularly connected with the ]ower portion of the tube 74, a sealer 77
resiliently held by a spring link 76 which is secured towards the mixing
portion 75 to normally seal a lower port 78 of delivery tube 74 and
operatively opened by the downcoming water -from pressurized water
source and a mixing mesh 79 inserted in mixing portion 75. The
reservoir 71 may be filled with s-terilizing agents or cleaning chemicals
A for enhanced hygienic cleaning purposes for -the toilet users.
The mixing portion 75 of the sterilizer 7 is vertically connected
between the rear spray nozzle 5 having an injection portion 52 and the
water conduit 51, and positioned beyond the perpendicular connection of
the lower portion of the delivery tube 74. Ano~her mixing portion 75
of another sterilizer 7 is horizontally connected with the front spray
nozzle 6 having an injection port 62 and the water oonduit 61, and
positioned beyond the perpendicular connection of the lower portion of
the other delivery tube 74. The installation position of the mixing
portion 75 on the spray nozzle 5 or 6 is not limited and can be
optionally chosen, such as in a horizontal, vertical or tilted position
depending upon the applying situations. The warm water re~ervoir 3 is
supplied with a pressurized water through a pipe 31 by a boosting pump
32 which boosts the pressure of the incoming water from a water source
(no-t shown) direction from inlet pipe 33.
When using the present inven-tion, -the water valves 41, 42 are
opened to allow pressurlzed water flowing through the two branch conduits
51, 61 towards the downstream mixing portions 75 to open the sealers 77,
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whereby the liquid in -tube 74 gravitationally Flo~ing from each
reservoirs 71 will be drained into the mixing portion 75 and thoroughly
mixed with -the downcoming wa-ter within the mixing mesh 79 and finally
sprayed through nozzles 5, 6 for cleaning the user's anus and genitals
respectively.
Another preferred embodiment of the present invention based on the
toilet spraying sys-tem as aforementioned is shown in Figure 3, which
comprises a sterilizer 7 including: a reservoir 71 having a top cover
72 drilled with a venting hole 73, a delivery tube 74a connected with
the reservoir 71 and having a tapered small hole 78a on the discharge
port of the tube 74a and a mixing portion 75a having a throat portion
75b communicated with tapered small hole 78a and a mesh 79 inserted in
the mixing portion 75a. The mixing portion 75a is connected with either
spray nozzle 5 or 6, communicated with either water conduit 51 or 61
of water source 3 near the injection por-t 52 or 62 of either nozzle.
When using the sterilizer 7 as shown in Figure 3, either valve
41 or 42 is opened to direct pressurized water downwards to suck the
liquid A from -the reservoir 71 through the throat portion 7~b and small
hole 78a, whereby the liquid is thoroughly mixed with water in the
mixing portion 75a for spraying and cleaning purposes for the users:
When val~e 41 or 42 is closed, the water is no longer drained and the
liquid in tube 74a will be normally held in situ as the cohesive force
of the liquid acts upon the tube wall to cause no drainage loss of
the liquid.
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The boosting pump 32 oF the present invention can be suitably
chosen -to develop a sufficient water pressure to open a sealer 77 of
delivery tube 74 as shown in Figure 2 for liquid drainage or to suck
the liquid through the small hole 78a and throat portion 75b as shown
in Figure 3.
If the toilet of the present invention is installed on a floor
having an enough inlet water head, for example, as installed in a
high building, the boosting pump 32 will then be omitted.
As shown in Figures 4 - 8, still another preferred embodiment of
the present invention provides a similar system as aforementioned,
in which each sterilizer 7 includes: a liquid reservoir 71 having a
top cover 72 drilled with a venting hole 73 on the cover 72, a delivery
tube 74 connected with the reservoir 71 and having its lower port 78
connected with either conduit 51 or 61, and an automatic closer 8
provided on the delîvery tube 74 and positioned in between an upstream
tube portion 741 and a downstream tube portion 742 of the tube 74
directing toward either nozzle 5 or 6. Between the reservoir 71 and
the automatic closer 8, there is provided a manual valve 740 in each
del~very tube 74.
The automatic closer 8 includes a cylinder body 81 having a
flange 814 mounted on a socket 211 formed inside an upper seat cover
21 of the toilet seat 2, a resilient plug 82 reciprocatively held
within the cylinder body 81, a stem portion 83 extending downwards from
the plug 82, a restoring spring 84 inserted within -the cylinder body
81 and resiliently retaining the plug 82, a spring plate 85 having its
inner end secured to a bracket 212 in the seat 2 and having its outer
end contacting the stem portion 83, and an actuating rod 86 extending
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upwards from an outer end of cushion 23 and normally biasing the
cushion 23 downwards to ride on bowl l as resiliently ac-ted by the
spring plate 85 to suspend the seat 2 wi-thout raising the stem portion
83 to thereby normally close the plug 82.
The cushion 23 having formed with such an actuating rod 86 is
suitably selected from a plurality of cushions 23 fixed under the lower
plate 22 of the toilet seat 2. By modifying one of the two elastic
nails 24 mounting the cushion 23 on the plate 22 through holes 25 as an
actuating rod 86 as above-mentioned, the cushion 23 as shown in Figure
5 is pivoted around the inner elastic nail 24 serving as a "fulcrum"
to stably ride on bowl 1, when the outer rod 86 is biased downwards
by the spring plate 85.
The cylinder body 81 is formed with an upper cylindrical hole
811 for inserting the spring 84 therein, an inverse truncated-cone hole
812 adjacent to the hole 811 and adapted to engage with the plug 82
shaped as inverse truncated cone, a lower cylindrical hole 813 formed
under the truncated-cone hole 812 and having a diameter smaller than
that oF the upper hole 811, a liquid inlet hole 815 fluidically
communicated with the upstream tube portion 741 and a liquid outlet
hole 816 fluidically communicated with the downstream tube portion 742.
Both holes ~15, 816 are fluidically communicated with the inverse
truncated-cone hole 812 and capable of being sealed by the plug 82
shaped as inverse truncated cone.
One delivery tube 74 has its lower port 78 connected with the
rear spray nozzle 5 as shown in Figure 7 in which the rear nozzle 5
includes a water passage 53 upperly communicated with the water conduit
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Sl and terminated with a water injection hole 531 inclinedly projectingupwardly, a chemical liquid passage 55 communicated with the delivery
-tube 74 and terrninated with a chemical injection opening 551
positioned above the water injection hole 531, a partition plate 54
separating the two passages 53, 55 and a spray cone portion 56
divergently formed from the lower end of the partition plate 54.
The other delivery tube 74 has its lower portion 78 connected with
the front spray noz71e 6 as shown in Figure 8 in which the front nozzle
6 includes a water passage 63 comrnunicated with a water injection hole
631 inclinedly projecting upwardly, a chemical liquid passage 65
communicated with the other delivery tube 74 and terminated with a
chemical injection opening 651 positioned above the water injection
hole 631, a partition plate 64 separating -the two passages 63, 65 and
a spray cone poriton 66 divergently formed from the outer end of the
partition plate 64.
When using the presen-t invention, the depression by the user's
gravity on the toilet sea-t 2 will biase the cushion 23 and its actuating
rod 86 upwards to raise the stem poriton 83 of the plug 82 to open the
liquid holes 815, 816 to Flow chemical liquid from reservoir 71 towards
either nozzle 5 or 6 and whereby upon the opening oF valve 41 or 42,
the water will be sprayed through either nozzle 5 or 6 to mix with the
chemical liquid for hygienic flushing purpose. However, when the user
leaves the toilet seat, the spring plate 85 will biase the cushion 23
downwards to recover the plug 82 which is also restored by the spring
84 to close the liquid holes 815, 816 to s-top liquid drainage.
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If the user wants to adjust -the liquid quantity or to stop the
liquid supply, he or she may close the valve 740 of the chemical tube
74.
As shown in Figures 7 and 8, each wa-ter injection hole 531 or 631
is located under each liquid opening 551 or 651 and each spray cone
portion 56 or 66 is made as trumpet shape so that -the liquid drained
from the delivery tube 74 will be immediately laden in the water
stream as sprayed through ei-ther hole 531 or 631 without causing any
backflow of water into liquid passage.
Another preferred embodiment of the present invention is shown in
Figure 9, in which the aforementioned cylinder body 81 is formed with
a cylindrical hole 811 for inser-ting the spring 84 and the plug 82.
The plug 82 includes a packing plunger 82a normally sealing the liquid
holes 815, 816, a rod portion 82b lowerly adjacent to the plunger
82a and having smaller diameter than that of the plunger 82a, a packing
ring 82c sealing the lower portion of the hole 811 and a stem 83
protruding downwards to contact the spring plate 85. The plug 82 is
limited by the cylinder bottom 8100 Upon the depression of toilet seat
2, the stem 83 will be raised to move the pac.king plunger 82a upwards
to dpen the holes 815, 816 whereby the liquid from upstream tube 741.
will flow through the aperture between the rod portion 82b and the
cylindrical hole 811 towards the downstream tube 742 for end use.
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