CN104594490A - Siphon type urinating device - Google Patents
Siphon type urinating device Download PDFInfo
- Publication number
- CN104594490A CN104594490A CN201510018515.9A CN201510018515A CN104594490A CN 104594490 A CN104594490 A CN 104594490A CN 201510018515 A CN201510018515 A CN 201510018515A CN 104594490 A CN104594490 A CN 104594490A
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- water
- urinal
- flushing channel
- urine
- water flushing
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D13/00—Urinals ; Means for connecting the urinal to the flushing pipe and the wastepipe; Splashing shields for urinals
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
- E03D2201/30—Water injection in siphon for enhancing flushing
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention discloses a siphon type urinating device, which comprises a urinating device body, wherein the urinating device body is provided with a urinal, and is connected with a water inlet pipe. The siphon type urinating device is characterized in that a water flushing passage and a blowdown pipeline are arranged in the urinating device body, the water flushing passage is connected with the water inlet pipe, a urine collecting opening is formed in the bottom part of the urinal, the blowdown pipeline is a siphon pipe, the siphon pipe is connected with the urine collecting opening, and a water storage elbow is formed at the bottom part of the urine collecting opening. The siphon type urinating device has the advantages that the structure is simple, the installation is convenient, the cleaning and sanitation are realized, and the water-saving and energy-saving effects are realized.
Description
Technical field
The present invention relates to sanitaryware technology, relate to a kind of urinal more specifically.
Background technology
As everyone knows, at the men's lavatory of the public places such as school, hotel, market, speedway, park, airport, station, all can be equipped with urinal, at present, urinal common on the market has two kinds, is wall-hung type urinal and vertical formula urinal respectively.Wall-hung type urinal is generally by the main body of band bed pan and is connected the urinate evacuating catheter of mouth of bed pan and forms, because its occupation of land space is little, so it is also the urinal be most widely used at present; But, it has three shortcomings: the first, is hollow containment structures A2, fills 5-30L in advance in urinal main body A 1, bedpan is rinsed to overflow water, rinse at twice, wash by water 3S in advance, and wash by water after people leaves 7S again, because the urinal body weight of filling water is large, body of wall is subject to so large pressure for a long time, easily ftractures, as Fig. 1 and Fig. 2; The second, the multiple weep hole A3 arranged along bed pan edge overflows directly and extraneous contact thereupon, easily grows germ, mosquito; 3rd, easy blocking, wash by water unable, the situation inactive because of blocking happens occasionally, even can see that the evacuating catheter that in line urinal connects sewage draining exit can be pulled out, to such an extent as to urine is spread across ground entirely, send a burst of stench, hygienic conditions extreme difference, cause the reason of this problem to be that current blow-off pipe A4 internal diameter only has 2.5cm, and generally all can have urine slag in the urine of human body, under normal circumstances, if infrequently clean blow-off pipe, generally will 2/3 be blocked less than a month mouth of pipe, block even completely, as Fig. 3 and Fig. 4.For this reason, those skilled in the art once attempted the internal diameter increasing blow-off pipe, but, due to bath pressure and the discharge deficiency of urinal, after increasing blow-off pipe internal diameter, the demand of each discharging quantity of water explodes, and washes by water more unable, more easily deposition urine slag, still cannot solve the mouth of pipe and be urinated the problem of slag blocking.
For this reason, in recent years, increasing public place adopts large-area stainless steel tank, directly enter buried pipe, due to not every smelly structure, therefore need ceaselessly to rinse, cause the great waste of water resource, and, the time used is longer, the foul smell sent will be more serious, have a strong impact on the happy mood of the healthy of people and trip, popular life becomes has no temperament and interest, stainless steel slot type, ditch formula, life is allowed to get back to original, life demonstrates the service quality problem that traditional urinal exists product design, user has found its wretched insufficiency part after using, there is pressure and without flow, therefore people have still got back to original slot type from the urinal that civilization is graceful, ditch formula, belong to caving-in bash in fact.
For this reason, how could solve and to come out so far from public lavatory urinal, adjoint described insurmountable real drawback has seriously become the problem that people are worth inquiring into.
Summary of the invention
A kind of structure that object of the present invention is exactly deficiency in order to solve prior art and provides is simple, easy for installation, water consumption is few, rinse and pollution discharge capability by force, the hydrocone type urinal of long-pending urine slag.
The present invention adopts following technical solution to realize above-mentioned purpose: a kind of hydrocone type urinal, comprise the urinal main body being provided with urinating bucket; urinal main body is connected with water inlet pipe, it is characterized in that, in described urinal main body, be provided with water flushing channel and blow-off line; water flushing channel connects water inlet pipe; the bottom of urinating bucket is provided with urine-collecting port, and blow-off line is syphon, and syphon is connected with urine-collecting port; make to form trap in the bottom of urine-collecting port, and automatically with water seal stink-preventing.
Further illustrating as such scheme, described water inlet pipe is external to be stood to water pipe, found the supply channel of the high-rise building more than leading directly to water pipe the floor that described urinal main body is set, the high-order drop formed in water pipe is found in utilization makes syphon form siphon instantaneously at water-rinsing process, is washed away by dirt.
Described syphon comprises anterior α type siphon pipeline section and the blowdown section at rear portion, and the α type siphon pipeline section of blow-off line connects urine-collecting port, and blowdown section adopts horizontal blowdown, stands to one or more the combining form in blowdown, oblique blowdown and bending blowdown.
Described α type siphon pipeline section and blowdown section are integrated design, and α type siphon pipeline section is sewage draining exit end row's formula structure down.
Described water flushing channel comprises belt water flushing channel and auxiliary water flushing channel, and belt water flushing channel is arranged along urinating bucket sidewall.
Described belt water flushing channel is the circulating line with urinating bucket one, and the sidewall of belt water flushing channel is provided with multiple flushing hole.
The layout of described flushing hole circlewise, covers the front and back end of urinating bucket, the left and right sides and the intermediate location between front and back end and the left and right sides.
Described belt water flushing channel is segmentation structure, be made up of some sections of arc water channels, the delivery port of every section of arc water channel is arranged along the circumference of urinating bucket, and have gathering sill in the outer setting of delivery port, the gathering sill of some sections of arc water channels forms rotary flushing structure jointly.
The front of described siphonal dirt inlet is provided with auxiliary punching, and auxiliary water flushing channel is that auxiliary punching is supplied water, and the water outlet direction of auxiliary punching is towards dirt inlet, and urine-collecting port is arranged on the front portion of urinating bucket, middle part or rear portion.
Described auxiliary water flushing channel directly connects the confession water end (W.E.) of belt water flushing channel, forms the water channel in parallel with belt water flushing channel, is directly supplied water by the feed pipe connecting urinal main body.
Two wing passages of described belt water flushing channel come together on auxiliary water flushing channel, are that auxiliary punching is supplied water by belt water flushing channel.
Described urinal main body adopts console mode structure, is provided with and is installed on ground ceramic support, and the syphon be connected with urine-collecting port in ceramic support, and to be formed in one structure with ceramic support.
Described urinal main body applies in billet surface the ceramic structure that one deck is added with the nanometer glaze of photocatalyst material before the firing.
The bore of the water inlet pipe of described urinal main body is 1.4-6cm.
Described urinal main body wall-hung type structure, be provided with accommodating siphonal cavity below the urine-collecting port of urinating bucket, the output of urine-collecting port is provided with the jointing corresponding with syphon.
Described jointing comprises the caulking groove that be communicated with urine-collecting port integrated with urinating bucket, and siphonal end is provided with seal, and seal inserts in described caulking groove, and the sidepiece of seal is close to caulking groove inwall, and seal is the silica gel ring being provided with multilayer sealing ring.
Described siphonal internal diameter is 2-7cm.
Described α type siphon pipeline section replaces with S type siphon pipeline section.
Urine-collecting port is movably set with filter block, cavity is established in filter block, multiple through hole be communicated with internal cavities is distributed with at filter block surface, the bottom of cavity and/or sidepiece are provided with liquid outlet, the liquid entered from multiple through hole respectively can be gathered in the cavity of filter block, and unification flow into trap rapidly from liquid outlet.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:
1, the present invention adopts and urinal main body is set to solid construction, directly water flushing channel is designed in urinal main body, the bath of large drop is provided by water inlet pipe, substitute traditional hollow containment structures, thoroughly solve urinal body weight large, wall-hung type urinal causes larger pressure for a long time to body of wall, easily causes the problem of wall crazing; Also solve the problem that urinal easily grows germ, mosquito, health more simultaneously.
2, the present invention adopts and connects syphon at the output in collection urine hole, by arranging the auxiliary punching corresponding with dirt inlet in collection urine hole, vacuum can be formed in syphon during bath, can economize on water on the one hand, high pressure can be formed on the other hand between auxiliary water flushing channel and syphon, water preset in auxiliary water flushing channel is sprayed from flush port, high pressure impulse force, powerful siphon power that bath is formed, solve urine-collecting port easily by the problem of urine slag blocking; And arrange formula after design of siphon pipes can also being become, and easier for installation, thoroughly solve after wall draining building does not have urinal hydrocone type and arrange water problem.
3, the present invention adopts and arranges at the output of the urine-collecting port of wall-hung type urinal main body the caulking groove being communicated with urine-collecting port, for embedding the siphon pipe end of the silica gel ring being provided with multilayer sealing ring, alternative traditional is first at blow-off pipe end gluing, then urinal sewage draining exit is inserted in, this very inconvenient mounting process using " harbour " to reinforce again, increase substantially installation effectiveness and application life, and Long-Time Service also can not seepage, sanitation and hygiene.
Accompanying drawing explanation
Fig. 1 is the structural representation of known urinal;
Fig. 2 is the structural representation of known urinal;
Fig. 3 is the structural representation of known urinal;
Fig. 4 is the structural representation of known urinal;
Fig. 5 is the structural representation of known urinal;
Fig. 6 a is structural representation of the present invention;
Fig. 6 b is structural representation of the present invention;
Fig. 7 a is structural representation of the present invention;
Fig. 7 b is structural representation of the present invention;
Fig. 8 is the structural representation of embodiment 2;
Fig. 9 is the structural representation of embodiment 2;
Figure 10 is the structural representation of embodiment 2;
Figure 11 is the structural representation of embodiment 2;
Figure 12 is the structural representation of embodiment 3;
Figure 13 is the structural representation of embodiment 3;
Figure 14 is the structural representation of embodiment 4;
Figure 15 is the structural representation of embodiment 4;
Figure 16 is seal mounting structure schematic diagram;
Figure 17 is the structural representation of embodiment 5;
Figure 18 is the structural representation of embodiment 5;
Figure 19 is the structural representation of embodiment 6;
Figure 20 is the structural representation of embodiment 6;
Figure 21 is the structural representation of embodiment 6;
Figure 22 is the structural representation of embodiment 6.
Description of reference numerals: 1, urinating bucket; 1-1, urine-collecting port; 1-2, water seal; 1-3, jointing; 2, urinal main body 3, ceramic support; 4, water inlet pipe; 5, water flushing channel; 5-1, belt water flushing channel; 5-11, flushing hole; 5-2, auxiliary water flushing channel; 5-3, auxiliary punching; 6, blow-off line; 6-1, α type siphon pipeline section; 6-2, blowdown section; 6-3, seal; 7, anchor ear.
Detailed description of the invention
Below in conjunction with specific embodiment, specific embodiment of the invention scheme is described in further detail.
Embodiment 1
As shown in Fig. 6 a-Fig. 7 b, the present embodiment is that one lands hydrocone type urinal, comprise the urinal main body 2 being provided with urinating bucket 1; urinal main body 2 is provided with and is installed on ground ceramic support 3; top of urinal main body is connected with water inlet pipe 4; bore of water inlet pipe 4 is 1.4-6cm, and the present embodiment is 3cm.Form water flushing channel 5 and blow-off line 6 in urinal main body 2, water flushing channel 5 connects water inlet pipe 4, and the bottom of urinating bucket 1 is provided with urine-collecting port 1-1, water seal 1-2 is provided with in urine-collecting port 1-1, blow-off line 6 is syphon, and siphonal spout diameter is 2-7cm, and the present embodiment is 5cm.Syphon is connected with urine-collecting port 1-1, and forms trap in the bottom of urine-collecting port.In the present embodiment, syphon in ceramic support, and to be formed in one structure with ceramic support.
In order to the object preventing volume larger falls into urine-collecting port, trap is caused to block, urine-collecting port is movably set with filter block, filter block is ceramic body or plastic body or metallic object, establish cavity in filter block, be distributed with multiple through hole be communicated with internal cavities at filter block surface, the bottom of cavity and/or sidepiece are provided with liquid outlet, the liquid entered from multiple through hole respectively can be gathered in the cavity of filter block, and unification flow into trap rapidly from liquid outlet.
Described syphon comprises anterior α type siphon pipeline section 6-1 and the blowdown section 6-2 at rear portion, the α type siphon pipeline section of blow-off line connects urine-collecting port 1-1, and blowdown section 6-2 adopts horizontal blowdown, stands to one or more the combining form in blowdown, oblique blowdown and bending blowdown.α type siphon pipeline section and blowdown section are integrated design, α type siphon pipeline section is sewage draining exit end row's formula structure down, the pipeline rout of α type siphon pipeline section be first from the bottom of urine-collecting port after downward-extension one segment distance, be then bent upwards gradually and after the distance of downward-extension one end, be transitioned into blowdown section again around after a circle.Wherein, the highest order of the bending pipeloop around being formed of α type siphon pipeline section is the liquid level of the water seal higher than urine-collecting port, when washing by water, makes can form siphonage in α type siphon pipeline section.
Water flushing channel 5 comprises belt water flushing channel 5-1, and belt water flushing channel is arranged along urinating bucket sidewall.In the present embodiment, belt water flushing channel is the circulating line with urinating bucket one, and the sidewall of belt water flushing channel is provided with multiple flushing hole 5-11.In order to increase bath area, by the layout of flushing hole circlewise, the front and back end of urinating bucket, the left and right sides and the intermediate location between front and back end and the left and right sides can be covered, as shown in Fig. 6 b and Fig. 7 b.
It should be noted that the internal diameter owing to increasing water inlet pipe, coordinate the stall urinal main body with certain altitude, make to form siphon effect easily in syphon.But, in order to further ensure the fluency of urinal flushing pollution discharge, water inlet pipe 4 can also externally stand to water pipe, found the supply channel leading directly to building top layer to water pipe, by roof, rainwater-collecting is supplied water, and utilize and found the high-order drop formed in water pipe and make syphon form siphon instantaneously at water-rinsing process, dirt is washed away, pressure of not only washing by water is sufficient, and can also using water wisely, meets the production requirement of environmental protection.
In addition, the α type siphon pipeline section of syphon front portion can also replace with S type siphon pipeline section, but takes up room comparatively large due to the syphon of S type, therefore, is not preferred embodiment.
Embodiment 2
As shown in figures s-11, the present embodiment difference from Example 1 is, water flushing channel 5 comprises belt water flushing channel 5-1 and auxiliary water flushing channel 5-2, and belt water flushing channel is arranged along urinating bucket sidewall.The front of siphonal dirt inlet is provided with auxiliary punching 5-3, and auxiliary water flushing channel 5-2 is that auxiliary punching 5-3 supplies water, and the water outlet direction of auxiliary punching 5-3 is towards dirt inlet, and urine-collecting port is arranged on the front portion of urinating bucket, middle part or rear portion.Described auxiliary water flushing channel 5-2 directly connects the confession water end (W.E.) of belt water flushing channel 5-1, forms the water channel in parallel with belt water flushing channel, is directly supplied water by the feed pipe connecting urinal main body.
Certainly, auxiliary water flushing channel 5-2 also can be supplied water by belt water flushing channel, comes together on auxiliary water flushing channel by two wing passages of belt water flushing channel, is that auxiliary punching is supplied water by belt water flushing channel.
Embodiment 3
As shown in Figure 12 and Figure 13, the present embodiment is a kind of extension wall hydrocone type urinal, blow-off line 6 can be set to embodiment 1 or any one form described in embodiment 2, difference is that the urinal main body 2 of the present embodiment is suspended on wall, therefore; the bottom of urinal main body 2 is not installed on ground ceramic support, but also ceramic support can be set to artistic shirt rim, make urinal more attractive in appearance.
Embodiment 4
As shown in Figure 14-Figure 16, the present embodiment is a kind of extension wall hydrocone type urinal, and be provided with accommodating siphonal cavity below the urine-collecting port of urinating bucket 1, the output of urine-collecting port 1-1 is provided with the jointing 1-3 corresponding with syphon.Jointing 1-3 comprises the caulking groove that be communicated with urine-collecting port integrated with urinating bucket, siphonal end is provided with seal 6-3, seal 6-3 inserts in described caulking groove, and the sidepiece of seal is close to caulking groove inwall, and seal is the silica gel ring being provided with multilayer sealing ring.Embodiment 5
As shown in Figure 17 and Figure 18, be with the difference of embodiment 4, the position of jointing 1-3 is different.The jointing 1-3 shown as in embodiment 3 connects siphonal α type siphon pipeline section, and the jointing of the present embodiment connects siphonal blowdown section.
Embodiment 6
As Figure 19-Figure 22, the present embodiment is also wall-hung type urinal, is with the difference of embodiment 4, and syphon and urinating bucket are one, and on syphon, be provided with auxiliary punching, and auxiliary punching has auxiliary water flushing channel to supply water.
The present invention compared with prior art, no matter be stall urinal or extension wall hydrocone type urinal, the urinal main body adopted is solid construction, by directly designing water flushing channel in urinal main body, the bath of large drop is provided by water inlet pipe, substitutes the hollow containment structures of traditional urinal main body, thoroughly solve urinal body weight large, wall-hung type urinal causes larger pressure for a long time to body of wall, easily causes the problem of wall crazing; Also solve the problem that urinal easily grows germ, mosquito, health more simultaneously.And, adopt and connect syphon at the output in collection urine hole, by arranging the auxiliary punching corresponding with dirt inlet in collection urine hole, vacuum can be formed in syphon during bath, can economize on water on the one hand, high pressure can be formed on the other hand between auxiliary water flushing channel and syphon, water preset in auxiliary water flushing channel is sprayed from flush port, the high pressure impulse force that bath is formed solves urine-collecting port easily by the problem of urine slag blocking, and this is also how the structure of urinal all the time changes the difficult problem being all difficult to effect a radical cure; And arrange formula after design of siphon pipes can also being become, and easier for installation, thoroughly solve after wall draining building does not have urinal hydrocone type and arrange water problem.
The present invention is also in the special blow-off line for existing wall-hung type urinal and urinal main body connection process, the problem of constructional difficulties, design brand-new scheme, as Figure 13, shown in Figure 15 and Figure 16, the caulking groove being communicated with urine-collecting port is set by the output of the urine-collecting port in urinal main body, for embedding the siphon pipe end of the silica gel ring being provided with multilayer sealing ring, alternative traditional is first at blow-off pipe end gluing, then " harbour " is used to be inserted in urinal sewage draining exit, again with this very inconvenient mounting process that anchor ear 7 is reinforced, as shown in Figure 4 and Figure 5, increase substantially installation effectiveness, and Long-Time Service also can not seepage, sanitation and hygiene.
It should be noted that, in order to improve the functional performance of urinal, in urinal main body preparation process, be first will apply in billet surface the ceramic structure that one deck is added with the nanometer glaze of photocatalyst material before firing, make dirt not sticky and automatically repel, making Realization of Product self-cleaning function.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a hydrocone type urinal, comprise the urinal main body being provided with urinating bucket; urinal main body is connected with water inlet pipe; it is characterized in that, be provided with water flushing channel and blow-off line in described urinal main body, water flushing channel connects water inlet pipe; the bottom of urinating bucket is provided with urine-collecting port; blow-off line is syphon, and syphon is connected with urine-collecting port, forms trap in the bottom of urine-collecting port.
2. hydrocone type urinal according to claim 1, is characterized in that, described water inlet pipe is external to be stood to water pipe, founds the supply channel of the high-rise building more than leading directly to water pipe the floor arranging described urinal main body.
3. hydrocone type urinal according to claim 1, it is characterized in that, described syphon comprises anterior α type siphon pipeline section and the blowdown section at rear portion, the α type siphon pipeline section of blow-off line connects urine-collecting port, and blowdown section adopts horizontal blowdown, stands to one or more the combining form in blowdown, oblique blowdown and bending blowdown.
4. hydrocone type urinal according to claim 3, is characterized in that, described α type siphon pipeline section and blowdown section are integrated design, and α type siphon pipeline section is sewage draining exit end row's formula structure down.
5. hydrocone type urinal according to claim 1, is characterized in that, described water flushing channel comprises belt water flushing channel and auxiliary water flushing channel, and belt water flushing channel is arranged along urinating bucket sidewall;
Described belt water flushing channel is the circulating line with urinating bucket one, and the sidewall of belt water flushing channel is provided with multiple flushing hole.
6. hydrocone type urinal according to claim 5, is characterized in that, the layout of described flushing hole circlewise, covers the front and back end of urinating bucket, the left and right sides and the intermediate location between front and back end and the left and right sides.
7. hydrocone type urinal according to claim 5, it is characterized in that, described belt water flushing channel is segmentation structure, be made up of some sections of arc water channels, the delivery port of every section of arc water channel is arranged along the circumference of urinating bucket, have gathering sill in the outer setting of delivery port, the gathering sill of some sections of arc water channels forms rotary flushing structure jointly.
8. hydrocone type urinal according to claim 5, it is characterized in that, the front of described siphonal dirt inlet is provided with auxiliary punching, and auxiliary water flushing channel is that auxiliary punching is supplied water, the water outlet direction of auxiliary punching is towards dirt inlet, and urine-collecting port is arranged on the front portion of urinating bucket, middle part or rear portion;
Described auxiliary water flushing channel directly connects the confession water end (W.E.) of belt water flushing channel, forms the water channel in parallel with belt water flushing channel, is directly supplied water by the feed pipe connecting urinal main body;
Two wing passages of belt water flushing channel come together on auxiliary water flushing channel, are that auxiliary punching is supplied water by belt water flushing channel.
9. hydrocone type urinal according to claim 1, it is characterized in that, described urinal main body adopts console mode structure, is provided with and is installed on ground ceramic support, the syphon be connected with urine-collecting port in ceramic support, and to be formed in one structure with ceramic support;
Or described urinal main body adopts wall-hung type structure, be provided with accommodating siphonal cavity below the urine-collecting port of urinating bucket, the output of urine-collecting port is provided with the jointing corresponding with syphon; Jointing comprises the caulking groove that be communicated with urine-collecting port integrated with urinating bucket, and siphonal end is provided with seal, and seal inserts in described caulking groove, and the sidepiece of seal is close to caulking groove inwall, and seal is the silica gel ring being provided with multilayer sealing ring;
The bore of the water inlet pipe of described urinal main body is 1.4-6cm;
Described siphonal internal diameter is 2-7cm;
Described urinal main body applies in billet surface the Ceramic glaze structure that one deck adds the nanometer glaze containing photocatalyst material before the firing;
Urine-collecting port is movably set with filter block, cavity is established in filter block, multiple through hole be communicated with internal cavities is distributed with at filter block surface, the bottom of cavity and/or sidepiece are provided with liquid outlet, the liquid entered from multiple through hole respectively can be gathered in the cavity of filter block, and unification flow into trap rapidly from liquid outlet.
10. hydrocone type urinal according to claim 3, is characterized in that, described α type siphon pipeline section replaces with S type siphon pipeline section.
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| CN201510018515.9A CN104594490B (en) | 2015-01-14 | 2015-01-14 | Siphon type urinating device |
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| CN201510018515.9A CN104594490B (en) | 2015-01-14 | 2015-01-14 | Siphon type urinating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106836431A (en) * | 2017-03-27 | 2017-06-13 | 张遂峰 | One kind station straddle type wall hanging ceramics urinal |
| CN107143013A (en) * | 2017-05-08 | 2017-09-08 | 陈小练 | The vortex pollution discharge structure of closet |
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| CN107143013A (en) * | 2017-05-08 | 2017-09-08 | 陈小练 | The vortex pollution discharge structure of closet |
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