CN2634987Y - Drinking water apparatus with self water feeding drum - Google Patents

Abstract

The utility model relates to a drinking water dispenser with a self-feeding bucket, that is, a drinking dispenser which can supply cold and hot drinking water instantly, in particular to a drinking water dispenser with a self-feeding bucket. The drinking water dispenser is applicable to purified water, tap water or other natural water and therefore, can be widely used in urban, rural areas, mountain areas, or remote areas. The drinking water dispenser comprises a shell body with cold and hot taps, a heating inner tank with a temperature thermostat and electrically heated wire inside the shell body, which is characterized in that: the top of the shell body is assembled through a connecting device of a water path, which enables convenient assembly and disassembly and is communicated with the bucket of the water inlet pipe. An accumulator, a filter device and a pump are arranged inside the shell body, wherein, the accumulator is communicated with and heats the inner tank via a balance pipe; the water inlet pipe is connected with the cold water tap through the pump, a check valve and the filter device or with the hot water tap through the heating inner tank; gang switches of the pump, the cold water tap and the hot water tap are all connected with the circuit. The water dispenser of the utility model has reasonable and compact structure, reliable operation and long service life.

Description

The water fountain that has self-supporting bucket

Technical field

The utility model relates to a kind of water fountain that can confess hot and cold drinking water immediately.Especially a kind of water dispenser that has by self-supporting bucket.It can not only be used to have the city for the water purification or the running water network of rivers, but also can be used to have other water source equally, as rural area, mountain area, isolated area or the outlying district etc. of spring, well water, river etc.

Background technology

Existing barreled water fountain, it contain a band cold water faucet and hot water tap's shell, the band temperature controller installed in the enclosure the heating inner bag, be positioned at the smart seat of cover top portion, the inner water-tank that is installed in the smart seat below and is communicated with the heating inner bag.It in use, want earlier pure water barrel back-off with outsourcing to smart seat, at this moment the pure water in the bucket enters inner water-tank by smart seat, directly confess Cold Drinking Water by cold water faucet then, perhaps enter the heating inner bag, as opened power switch, then water is confessed hot drink water from the hot water tap again after heating.Its weak point is: 1) must be produced by specialized factory with the barreled water purification of existing water fountain coupling use, because the cost of manufacture of pure water is than higher, so water price is more expensive, and bottled water also the inconvenience transportation find a good sale in, so rural area, mountain area, area such as remote or outlying also can't be used; 2) it for solve the system pressure impact that causes because of water inlet or heating make inner water-tank uncovered, be communicated with atmosphere, therefore in the process of frequent water inlet, harmful substances such as the virus in the external environment, bacterium, dust enter inner water-tank along with air, and original pure water is polluted again.

Summary of the invention

The utility model is to overcome the deficiency that also exists in the above-mentioned prior art, provide a kind of and can be widely used in the water fountain that has self-supporting bucket at various water sources and make it have that scientific structure is feasible, easy to use, long service life, and its characteristics such as direct drinking non-secondary pollution of confessing.

The utility model has the water fountain of self-supporting bucket, it contains the heating inner bag of a band cold water faucet and hot water tap's housing, the band temperature controller of installing and heating wire in housing, the heating inner bag connects the hot water tap, it is characterized in that: the bucket that can conveniently remove stage makeup and costume and be communicated with water inlet pipe is installed by the jockey in water route in the housing top, and accumulator, filter and pump also are housed in the housing; Wherein accumulator is communicated with the heating inner bag by balance pipe, and water inlet pipe is connected cold water faucet or connects the hot water tap by the heating inner bag by pump, check-valves with filter; Pump and cold water faucet, hot water tap's linked switch all is connected in the circuit.

The utility model water fountain, its jockey includes the indent post of the band push rod that is provided with on the housing top, the convex platform of taking to compound lever that is provided with in the bucket bottom, the bar head of the bottom of reciprocating lever is affixed band sealing ring, push rod is identical with the diameter of bar head, and kink is connected in the guide groove of bucket bottom; Wherein the outer wall of push rod is provided with sealing ring, its center is provided with the passage that is connected with water inlet pipe, and the top also has the radially duct with this channel connection, between convex platform and bar head, spring is housed, has a through hole that can be communicated with the inside and outside space of convex platform on the sidewall of convex platform.

The utility model water fountain, its accumulator includes an elastomeric bladder that is filled with pressed gas, is positioned at elastomeric bladder outer over body case and cover cap, wherein have on the over body case can with the airtight interface that is connected of balance pipe, cover cap on valve inside is housed, and elastomeric bladder is uncovered at cover cap place end, and this uncovered end limit upset is entrenched between over body case and the cover cap.So that form two inner chambers independent of each other and exocoel in the accumulator, wherein inner chamber can charge into air, its pressure greater than atmospheric pressure by valve inside, and exocoel then connects balance pipe by interface, so that exocoel is communicated with the heating inner bag.

The utility model water fountain, its filter includes micro-filtration core, ultrafiltration core and adsorbent equipment, and they are connected in series between check-valves and the pure water pipe by pipeline.

The utility model water fountain, it also can have the cleaning device that can recoil to filter, has the recoil cleaning device in its housing, and has water level switch in the bucket; The recoil cleaning device includes in the blowoff valve of installing on the housing, accumulation of energy cistern, the pressure switch of installing in housing and is connected the magnetic valve that heats inner bag, wherein the accumulation of energy cistern is communicated with the pure water inlet end of ultrafiltration core, and the former water side of ultrafiltration core directly is communicated with blow-off pipe; Water level switch contains float, magnet ring, magnetic switch circuit, in the contact on wherein the two ends of magnetic switch circuit lead-out wire are fixed at the bottom of the bucket, the housing top have can with contact with the chimeric pin that is connected, be connected to the lead that is connected with circuit in the pin.

The beneficial effects of the utility model are: 1) but the utility model after the bucket of conveniently assemble and disassemble has been installed on the housing top, solved that existing water fountain can only use drummed pure water and the problem that can not be used for self-supporting bucket, thereby the water fountain that makes the utility model have self-supporting bucket not only can be used for the city, also can be widely used in rural area, mountain area, the remote or outlying district of open water supplies such as spring, well water or running water; What 2) the utility model water fountain was taken is natural water, the drummed pure water considerably cheaper that its price is more used than existing water fountain, and therefore daily cost is few; 3) it have can balance sysmte the accumulator of pressure, so water cleaning systems is hedged off from the outer world, does not have any pollution, and it can also can save its original nutrient from damage except that the bacterium in anhydrating, virus etc. to the ultra-filtration filters of natural water, is good for one's health; 4) topology layout of the utility model water fountain is reasonable, compact, and each assembly is in use safe and reliable; 5) as after the cleaning device that backpulsing has been installed, can guarantee the unobstructed of system pipeline and milipore filter in housing, prolong service life.

Description of drawings

Fig. 1 is the main cutaway view of the utility model water fountain of having self-supporting bucket;

Fig. 2 and Fig. 3 be among Fig. 1 bucket with the enlarged drawing of the node I of the jockey between the housing; Wherein Fig. 2 is that bucket 11 is contained in the structure chart when being integrated on the housing 10, the structure chart that Fig. 3 is a bucket 11 when housing 10 draws off;

Fig. 4 is the vertical view of the push rod 10d top structure among Fig. 2 or Fig. 3;

Fig. 5 is the main cutaway view of the accumulator 8 among Fig. 1;

Fig. 6 and Fig. 7 are the node II enlarged drawings at the place, water level switch 15 places among Fig. 1; Wherein Fig. 6 is bucket 11 structure chart when being integrated with housing 10, and Fig. 7 is the structure chart after bucket 11 is thrown off from housing 10 tops;

Fig. 8 and Fig. 9 are the circuit diagrams of the utility model water fountain; Wherein Fig. 8 is the circuit diagram when having the cleaning device of backpulsing in the housing, and Fig. 9 is the circuit diagram when not being with cleaning device.

Label declaration among the figure: 1-hot water tap; 1 '-hot water tap linked switch; The 2-cold water faucet; 2 '-cold water faucet linked switch; 3-heats inner bag; The 4-temperature controller; The 5-heating wire; The 6-magnetic valve; The 7-water inlet pipe; The 7a-pure water pipe; The 8-accumulator; The 8a-interface; The 8b-elastomeric bladder; The 8c-over body case; The 8d-cover cap; The 8e-valve inside; The A-inner chamber; The B-exocoel; The 9-balance pipe; The 10-housing; The indent post on 10a-housing top; 10b-is the duct radially; The 10c-sealing ring; The 10d-push rod; The 10e-passage; The 11-bucket; The last concave station of 11a-bucket bottom; The 11b-reciprocating lever; The 11c-spring; The 11d-through hole; The 11e-sealing ring; 11f-reciprocating lever head; The 11g-guide rod; The 12-pressure switch; The 13-filter; The 14-pump; The 15-water level switch; The 15a-contact; The 15b-pin; 15c-magnetic switch circuit; The 15d-magnet ring; The 15e-float; The 15f-lead; 15g-magnetic switch circuit lead-out wire; The 16-blowoff valve; 16a-accumulation of energy cistern; The 17-check-valves.

The specific embodiment

Embodiment 1. present embodiments have the water fountain of self-supporting bucket, its structure can be referring to Fig. 1, it contains the heating inner bag 3 of a band cold water faucet 2 and hot water tap 1 housing 10, the band temperature controller of installing 4 and heating wire 5 in housing, the heating inner bag connects the hot water tap; The bucket 11 that can conveniently remove stage makeup and costume and be communicated with water inlet pipe 7 is installed by the jockey in water route in the housing top, and accumulator 8, filter 13 and pump 14 also are housed in the housing; Wherein accumulator 8 is communicated with heating inner bag 3 by balance pipe 9, and water inlet pipe 7 is connected cold water faucet 2 or connects hot water tap 1 by heating inner bag 3 by pump 14, check-valves 17 with filter 13; Pump 14 and cold water faucet 2, hot water tap's 1 linked switch all is connected in the circuit.Bucket 11 can be used material transparent.As nontoxic transparent plastic manufacturing, perhaps use the opaque material manufacturing of water level meter in addition, to be convenient for people to see whether also have water in the bucket.

In use, the water in the bucket 11 enters pump 14 by water inlet pipe 7, enters filter 13 by check-valves 17 again, can directly enter cold water faucet 2 after filtration and outwards confess in good time Cold Drinking Water; Perhaps enter heating inner bag 3, when heating wire 5 heats and reaches the design temperature of temperature controller 4, confess hot water from hot water tap 1.In pipe-line system, because of the compression shock that heats or water inlet is produced, can obtain balance by accumulator, so the whole water circuit system of present embodiment water fountain is hedged off from the outer world, guarantee the pure, pollution-free of water.

Embodiment 2. present embodiments have the water fountain of self-supporting bucket, its structure can be seen from Fig. 1-Fig. 4, different is with embodiment 1 for it: its jockey contains the indent post 10a of the band push rod 10d that is provided with on housing 10 tops, the convex platform 11a that takes to compound lever 11b that is provided with in bucket 11 bottoms, the bar head 11f of the bottom of reciprocating lever 11b is affixed band sealing ring 11e, push rod 10d is identical with the diameter of bar head 11f, and kink is connected in the guide groove 11g of bucket bottom; Wherein the outer wall of push rod 10d is provided with sealing ring 10c, the push rod center is provided with the path 10 e that is connected with water inlet pipe 7, and the top also has the radially duct 10b with this channel connection, between convex platform 11a and bar head 11f, spring 11c is housed, and on the sidewall of convex platform 11a, has a through hole 11d that can be communicated with the inside and outside space of convex platform 11a.Its operating position is as follows:

When bucket and housing are integrated, the structure of jockey is as shown in Fig. 1 and Fig. 2, bucket and moisture weight fitted fully with the end face of housing in the bottom surface of bucket, at this moment the push rod 10d of the indent post 10a resistance that overcome spring 11c is released bar head 11f from guide groove 11g, water in the water tank can enter the inner chamber of convex platform 11a by through hole 11d, and the path 10 e through the radially duct on push rod 10d top 10b, center in inner chamber enters water inlet pipe 7.Meanwhile, sealing ring 10c makes push rod 10d and guide groove 11g sealing, prevents that effectively jockey from leaking.

When bucket when housing is thrown off, jockey is entered the state of Fig. 3 by the state of Fig. 2, at this moment bar head 11f and push rod 10d throw off, and under spring 11c effect, enter in the guide groove 11g, by the sealing ring 11e on the bar head 11f this guide groove 11g is sealed this moment, therefore the bucket 11 in the present embodiment takes off and goes from the housing of water fountain and pours water, and its bottom of whole process all can not leak.After pouring into water, also be put back into again again on the housing, then can return to again on the operating position of Fig. 1, Fig. 2, also can outwards confess immediately on the position of drinking water.

Embodiment 3. present embodiments have the water fountain of self-supporting bucket, its structure can be seen from Fig. 1 and Fig. 5, it is with embodiment 1 or 2 different is: its accumulator includes an elastomeric bladder 8b who is filled with pressed gas, be positioned at elastomeric bladder outer over body case 8c and cover cap 8d, wherein have on the over body case can with the balance pipe 9 airtight interface 8a that are connected, valve inside 8e is housed on the cover cap 8d, and elastomeric bladder is uncovered at cover cap place end, upset is entrenched between over body case and the cover cap as sealing ring on this uncovered end limit, so that form two inner chamber A independent of each other and exocoel B in the accumulator, wherein inner chamber can charge into air by valve inside, its pressure is greater than atmospheric pressure, and exocoel then connects balance pipe by interface, be communicated with the heating inner bag.When water body expansion, water and vapour enter the exocoel B of accumulator 8 by balance pipe 9, and the gas among the compressible elastomeric capsule 8b inner chamber A, up to the system pressure balance; After if the water heating is ended, progressively shrinkage of water body, steam condensation.Gradually swell under the elastomeric bladder 8b of the accumulator 8 cavity pressure effect within it, the water among the exocoel B flow back into heating inner bag 3 gradually by balance pipe 9.Elastomeric bladder 8b can be made by the silica gel that has no side effect, so that its high resilience and can bear certain pressure.

Embodiment 4. present embodiments have the water fountain of self-supporting bucket, its structure can be seen from Fig. 1, it is with embodiment 1 or 2 or 3 different is: its filter contains micro-filtration core 13a, ultrafiltration core 13b and adsorbent equipment 13c, and they are connected in series between check-valves 17 and the pure water pipe 7a by pipeline.Wherein the micro-filtration core can be melt-blown core, wire wound filter core, and ultrafiltration core can be hollow-fibre membrane, ceramic membrane etc.; Both pore size differences, the latter is littler than the former aperture.This is difficult for the micro-filtration core stopping up down in the running water effect, but it can prevent effectively that oarse-grained material from directly entering ultrafiltration core, and ultrafiltration core can be held back impurity such as bacterium, colloid, organic matter effectively; Adsorbent equipment is one and the adsorbent that can remove peculiar smell and colourity is housed in it, as the device of activated carbon etc.Therefore their tandem compound can guarantee that the water quality of confessing water reaches the standard of drinking raw water.

When using present embodiment to have the water fountain of self-supporting bucket, earlier bucket is irritated the water of going up cleaning, as running water, spring or well water, then bucket 11 is placed the top of housing 10, at this moment jockey is in position shown in Figure 2, water via through holes 11d in the bucket enters the inner chamber of convex platform 11a, enters water inlet pipe 7 by the radially duct 10b on push rod 10d top, the path 10 e in the middle of the push rod; This moment is as connecting power supply and opening any tap, then pump 14 work, water inlet promptly is pumped to micro-filtration core 13a, and enter ultrafiltration core 13b and adsorbent equipment 13c successively by pipeline again, after being filtered into water purification, perhaps enter cold water faucet 2 and directly outwards confess cold drinking liquid, perhaps enter heating inner bag 3 backs and confess from hot water tap 1.The heating inner bag is subjected to the control of temperature controller and moves, from Fig. 9, can see, hot water tap's linked switch 1 ' or cold water faucet linked switch 2 ' and pump 14 all are connected in the circuit, under the situation of full water, arbitrary tap in two taps is opened Shi Junneng and is started pump 14 work, to guarantee entering of water, pump 14 quits work when two taps are all closed, as finding that not having water then to shut down pours water; The compression shock that heating or the process of discharging water cause all is compensated by accumulator 8.

As can see from Figure 9, pump 14 and hot water tap's linked switch 1 ', cold water faucet linked switch 2 ' all are connected in the circuit, so that hot water tap 1, cold water faucet 2 and pump 14 are chain.

Embodiment 5. present embodiments have the water fountain of self-supporting bucket, and its structure can see from Fig. 1 and Fig. 6-Fig. 9, and it is with embodiment 1 or 2 or 3 or 4 different is: also have in its housing in recoil cleaning device, the bucket and have water level switch 15; The cleaning device that wherein recoils includes in the blowoff valve of installing on the housing 16, accumulation of energy cistern 16a, the pressure switch 12 of installing in housing and is connected the magnetic valve 6 that heats inner bag; Accumulation of energy cistern 16a is communicated with the pure water inlet end of ultrafiltration core 13b with pressure switch 12, and the former water side of ultrafiltration core 13b directly is communicated with blow-off pipe 16; Water level switch 15 contains float 15e, magnet ring 15d, magnetic switch circuit 15c; In the contact 15a on the two ends of the lead-out wire 15g of magnetic switch circuit are fixed at the bottom of the bucket, the housing top have can with contact 15a with the chimeric pin 15b that is connected, and be connected to the lead 15f that is connected with circuit in the pin, contact and chimeric be connected of pin can conveniently unload, adorn, guaranteeing water level switch automatic shutoff circuit when the bucket lack of water, and bucket can operate as normal when water is arranged.When contact 15a is connected with pin 15b is chimeric, can makes water level switch 15 places in circuit, otherwise then throw off circuit.

The structure of accumulation of energy cistern 16b with the structure of accumulator 8 roughly the same, just its volumetric ratio is bigger.See that from Fig. 8 and Fig. 1 in the present embodiment water fountain, pump 14 will no longer be subjected to cold water faucet 2 and hot water tap's 1 control, but the control of be stressed switch 12 and water level switch 15; When being lower than certain setting value as the pressure that water and accumulation of energy reservoir 16a are arranged in the bucket, pump 14 promptly starts, and at this moment the water in the bucket passes through check-valves 17, micro-filtration core 13a, ultrafiltration core 13b until accumulation of energy cistern 16a successively along pipeline; When the water level in the accumulation of energy cistern and pressure reached setting value, pressure switch 12 actions, pump quit work, and open cold water faucet 2 this moment, and then water extrudes from accumulation of energy cistern 16a, and emits from cold water faucet 2 by adsorbent equipment 13c.As open hot water tap 1, and magnetic valve 6 is opened in the 1 ' interlock of hot water tap's linked switch, and water purification extrudes from accumulation of energy cistern 16a, the adsorbent equipment 13c that flows through, heating inner bag 3, flows out from hot water tap 1.The effect of magnetic valve 6 is that it can prevent to heat the hydraulic pressure that inner bag 3 bears accumulation of energy cistern 16a for a long time, and the effect of check-valves is that the water in the accumulation of energy cistern 16a is pushed back bucket 11 when preventing that pump 14 from quitting work.In the operate as normal, when water level drops to when float 15e is fallen, magnetic switch circuit 15c action, the circuit of system is disconnected, even the hydraulic pressure of accumulation of energy cistern 16a is very low this moment, the pump 14 that is connected in the circuit can not worked yet, thereby guarantees that pump 14 is cease operation automatically under the anhydrous situation of bucket.As when recoiling milipore filter, as long as open blowoff valve 16, at this moment water purification extrudes from accumulation of energy cistern 16a, and the water purification side that enters ultrafiltration core 13b is again from the water purification side former water side that recoils back, finally outside blowoff valve 16 displacers.

Claims (9)

1, a kind of water fountain that has self-supporting bucket, it contains the heating inner bag (3) of a band cold water faucet (2) and hot water tap's (1) housing (10), the band temperature controller of installing (4) and heating wire (5) in housing, the heating inner bag connects the hot water tap, it is characterized in that: the bucket (11) that can conveniently remove stage makeup and costume and be communicated with water inlet pipe (7) is installed by the jockey in water route in the housing top, and accumulator (8), filter (13) and pump (14) also are housed in the housing; Wherein accumulator (8) is communicated with heating inner bag (3) by balance pipe (9), and water inlet pipe (7) is connected cold water faucet (2) or connects hot water tap (1) by heating inner bag (3) by pump (14), check-valves (17) with filter (13); Pump (14) and cold water faucet (2), hot water tap's (1) linked switch all is connected in the circuit.

2, the water fountain that has self-supporting bucket according to claim 1, it is characterized in that: said jockey includes the indent post (10a) of the band push rod (10d) that is provided with on housing (10) top, the convex platform of taking to compound lever (11b) (11a) that is provided with in bucket (11) bottom, the bottom of reciprocating lever (11b) the is affixed bar head (11f) of band sealing ring (11e), push rod (10d) is identical with the diameter of bar head (11f), and kink is connected in the guide groove (11g) of bucket bottom; The passage (10e) that wherein outer wall of push rod (10d) is provided with sealing ring (10c), the push rod center is provided with is connected with water inlet pipe (7), and the top also has the radially duct (10b) with this channel connection, between convex platform (11a) and bar head (11f), spring (11c) is housed, and on the sidewall of convex platform (11a), has a through hole (11d) that can be communicated with the inside and outside space of convex platform (11a).

3, the water fountain that has self-supporting bucket according to claim 1 and 2, it is characterized in that: said accumulator includes an elastomeric bladder (8b) that is filled with pressed gas, is positioned at elastomeric bladder outer over body case (8c) and cover cap (8d), wherein have on the over body case can with the airtight interface that is connected of balance pipe (9) (8a), cover cap (8d) on valve inside (8e) is housed, and elastomeric bladder is uncovered at cover cap place end, and this uncovered end limit upset is entrenched between over body case and the cover cap.

4, the water fountain that has self-supporting bucket according to claim 1 and 2, it is characterized in that: said filter includes micro-filtration core (13a), ultrafiltration core (13b) and adsorbent equipment (13c), and they are connected in series between check-valves (17) and the pure water pipe (7a) by pipeline.

5, the water fountain that has self-supporting bucket according to claim 3, it is characterized in that: said filter includes micro-filtration core (13a), ultrafiltration core (13b) and adsorbent equipment (13c), and they are connected in series between check-valves (17) and the pure water pipe (7a) by pipeline.

6, the water fountain that has self-supporting bucket according to claim 1 and 2, it is characterized in that: have the recoil cleaning device in the said housing, and have water level switch (15) in the bucket, the cleaning device that wherein recoils includes in the blowoff valve of installing on the housing (16), the accumulation of energy cistern of installing in housing (16a), pressure switch (12) and is connected the magnetic valve (6) that heats inner bag, wherein accumulation of energy cistern (16a) is communicated with the pure water inlet end of ultrafiltration core (13b), and the former water side of ultrafiltration core (13b) directly is communicated with blow-off pipe (16); Water level switch (15) contains float (15e), magnet ring (15d), magnetic switch circuit (15c); In the contact (15a) on wherein the two ends of magnetic switch circuit lead-out wire (15g) are fixed at the bottom of the bucket, the housing top have can with contact (15a) with the chimeric pin that is connected (15b), be connected to the lead (15f) that is connected with circuit in the pin.

7, the water fountain that has self-supporting bucket according to claim 3, it is characterized in that: have the recoil cleaning device in the said housing, and have water level switch (15) in the bucket, the cleaning device that wherein recoils includes in the blowoff valve of installing on the housing (16), the accumulation of energy cistern of installing in housing (16a), pressure switch (12) and is connected the magnetic valve (6) that heats inner bag, wherein accumulation of energy cistern (16a) is communicated with the pure water inlet end of ultrafiltration core (13b), and the former water side of ultrafiltration core (13b) directly is communicated with blow-off pipe (16); Water level switch (15) contains float (15e), magnet ring (15d), magnetic switch circuit (15c); In the contact (15a) on wherein the two ends of magnetic switch circuit lead-out wire (15g) are fixed at the bottom of the bucket, the housing top have can with contact (15a) with the chimeric pin that is connected (15b), be connected to the lead (15f) that is connected with circuit in the pin.

8, the water fountain that has self-supporting bucket according to claim 4, it is characterized in that: have the recoil cleaning device in the said housing, and have water level switch (15) in the bucket, the cleaning device that wherein recoils includes in the blowoff valve of installing on the housing (16), the accumulation of energy cistern of installing in housing (16a), pressure switch (12) and is connected the magnetic valve (6) that heats inner bag, wherein accumulation of energy cistern (16a) is communicated with the pure water inlet end of ultrafiltration core (13b), and the former water side of ultrafiltration core (13b) directly is communicated with blow-off pipe (16); Water level switch (15) contains float (15e), magnet ring (15d), magnetic switch circuit (15c); In the contact (15a) on wherein the two ends of magnetic switch circuit lead-out wire (15g) are fixed at the bottom of the bucket, the housing top have can with contact (15a) with the chimeric pin that is connected (15b), be connected to the lead (15f) that is connected with circuit in the pin.

9, the water fountain that has self-supporting bucket according to claim 5, it is characterized in that: have the recoil cleaning device in the said housing, and have water level switch (15) in the bucket, the cleaning device that wherein recoils includes in the blowoff valve of installing on the housing (16), the accumulation of energy cistern of installing in housing (16a), pressure switch (12) and is connected the magnetic valve (6) that heats inner bag, wherein accumulation of energy cistern (16a) is communicated with the pure water inlet end of ultrafiltration core (13b), and the former water side of ultrafiltration core (13b) directly is communicated with blow-off pipe (16); Water level switch (15) contains float (15e), magnet ring (15d), magnetic switch circuit (15c); In the contact (15a) on wherein the two ends of magnetic switch circuit lead-out wire (15g) are fixed at the bottom of the bucket, the housing top have can with contact (15a) with the chimeric pin that is connected (15b), be connected to the lead (15f) that is connected with circuit in the pin.

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